19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Copyright 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Build resource files from raw assets. 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define PNG_INTERNAL 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "Images.h" 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11b13b9bdad2baf6ad1ec2e56b6b7598fa20f55fc4Mathias Agopian#include <androidfw/ResourceTypes.h> 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/ByteOrder.h> 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <png.h> 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define NOISY(x) //x 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpng_write_aapt_file(png_structp png_ptr, png_bytep data, png_size_t length) 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = ((AaptFile*)png_ptr->io_ptr)->writeData(data, length); 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_error(png_ptr, "Write Error"); 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpng_flush_aapt_file(png_structp png_ptr) 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// This holds an image as 8bpp RGBA. 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct image_info 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image_info() : rows(NULL), is9Patch(false), allocRows(NULL) { } 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ~image_info() { 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rows && rows != allocRows) { 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(rows); 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (allocRows) { 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i=0; i<(int)allocHeight; i++) { 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(allocRows[i]); 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(allocRows); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 476a1fadea851db236331b3dfe1f3c1e482556057fMarco Nelissen free(info9Patch.xDivs); 486a1fadea851db236331b3dfe1f3c1e482556057fMarco Nelissen free(info9Patch.yDivs); 496a1fadea851db236331b3dfe1f3c1e482556057fMarco Nelissen free(info9Patch.colors); 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_uint_32 width; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_uint_32 height; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytepp rows; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 9-patch info. 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool is9Patch; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Res_png_9patch info9Patch; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani // Layout padding, if relevant 61ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani bool haveLayoutBounds; 62ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int32_t layoutBoundsLeft; 63ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int32_t layoutBoundsTop; 64ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int32_t layoutBoundsRight; 65ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int32_t layoutBoundsBottom; 66ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_uint_32 allocHeight; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytepp allocRows; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void read_png(const char* imageName, 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_structp read_ptr, png_infop read_info, 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image_info* outImageInfo) 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int color_type; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bit_depth, interlace_type, compression_type; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_read_info(read_ptr, read_info); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_get_IHDR(read_ptr, read_info, &outImageInfo->width, 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &outImageInfo->height, &bit_depth, &color_type, 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &interlace_type, &compression_type, NULL); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("Image %s:\n", imageName); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("color_type=%d, bit_depth=%d, interlace_type=%d, compression_type=%d\n", 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // color_type, bit_depth, interlace_type, compression_type); 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color_type == PNG_COLOR_TYPE_PALETTE) 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_palette_to_rgb(read_ptr); 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_gray_1_2_4_to_8(read_ptr); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (png_get_valid(read_ptr, read_info, PNG_INFO_tRNS)) { 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("Has PNG_INFO_tRNS!\n"); 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_tRNS_to_alpha(read_ptr); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bit_depth == 16) 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_strip_16(read_ptr); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((color_type&PNG_COLOR_MASK_ALPHA) == 0) 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_add_alpha(read_ptr, 0xFF, PNG_FILLER_AFTER); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_gray_to_rgb(read_ptr); 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_read_update_info(read_ptr, read_info); 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outImageInfo->rows = (png_bytepp)malloc( 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outImageInfo->height * png_sizeof(png_bytep)); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outImageInfo->allocHeight = outImageInfo->height; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outImageInfo->allocRows = outImageInfo->rows; 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_rows(read_ptr, read_info, outImageInfo->rows); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < (int)outImageInfo->height; i++) 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outImageInfo->rows[i] = (png_bytep) 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project malloc(png_get_rowbytes(read_ptr, read_info)); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_read_image(read_ptr, outImageInfo->rows); 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_read_end(read_ptr, read_info); 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Image %s: w=%d, h=%d, d=%d, colors=%d, inter=%d, comp=%d\n", 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project imageName, 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)outImageInfo->width, (int)outImageInfo->height, 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bit_depth, color_type, 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project interlace_type, compression_type)); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_get_IHDR(read_ptr, read_info, &outImageInfo->width, 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &outImageInfo->height, &bit_depth, &color_type, 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &interlace_type, &compression_type, NULL); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 139ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani#define COLOR_TRANSPARENT 0 140ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani#define COLOR_WHITE 0xFFFFFFFF 141ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani#define COLOR_TICK 0xFF000000 142ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani#define COLOR_LAYOUT_BOUNDS_TICK 0xFF0000FF 143ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 144ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasanienum { 145ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani TICK_TYPE_NONE, 146ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani TICK_TYPE_TICK, 147ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani TICK_TYPE_LAYOUT_BOUNDS, 148ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani TICK_TYPE_BOTH 149ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani}; 150ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 151ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasanistatic int tick_type(png_bytep p, bool transparent, const char** outError) 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 153ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani png_uint_32 color = p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24); 154ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (transparent) { 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p[3] == 0) { 157ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani return TICK_TYPE_NONE; 158ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 159ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (color == COLOR_LAYOUT_BOUNDS_TICK) { 160ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani return TICK_TYPE_LAYOUT_BOUNDS; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 162ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (color == COLOR_TICK) { 163ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani return TICK_TYPE_TICK; 164ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 165ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 166ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani // Error cases 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p[3] != 0xff) { 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outError = "Frame pixels must be either solid or transparent (not intermediate alphas)"; 169ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani return TICK_TYPE_NONE; 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p[0] != 0 || p[1] != 0 || p[2] != 0) { 172ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani *outError = "Ticks in transparent frame must be black or red"; 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 174ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani return TICK_TYPE_TICK; 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p[3] != 0xFF) { 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outError = "White frame must be a solid color (no alpha)"; 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 180ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (color == COLOR_WHITE) { 181ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani return TICK_TYPE_NONE; 182ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 183ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (color == COLOR_TICK) { 184ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani return TICK_TYPE_TICK; 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 186ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (color == COLOR_LAYOUT_BOUNDS_TICK) { 187ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani return TICK_TYPE_LAYOUT_BOUNDS; 188ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 189ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p[0] != 0 || p[1] != 0 || p[2] != 0) { 191ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani *outError = "Ticks in white frame must be black or red"; 192ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani return TICK_TYPE_NONE; 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 194ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani return TICK_TYPE_TICK; 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum { 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TICK_START, 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TICK_INSIDE_1, 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TICK_OUTSIDE_1 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic status_t get_horizontal_ticks( 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep row, int width, bool transparent, bool required, 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int32_t* outLeft, int32_t* outRight, const char** outError, 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint8_t* outDivs, bool multipleAllowed) 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outLeft = *outRight = -1; 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int state = TICK_START; 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool found = false; 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=1; i<width-1; i++) { 214ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (TICK_TYPE_TICK == tick_type(row+i*4, transparent, outError)) { 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state == TICK_START || 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (state == TICK_OUTSIDE_1 && multipleAllowed)) { 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outLeft = i-1; 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outRight = width-2; 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project found = true; 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (outDivs != NULL) { 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outDivs += 2; 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state = TICK_INSIDE_1; 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (state == TICK_OUTSIDE_1) { 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outError = "Can't have more than one marked region along edge"; 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outLeft = i; 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (*outError == NULL) { 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state == TICK_INSIDE_1) { 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We're done with this div. Move on to the next. 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outRight = i-1; 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outRight += 2; 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outLeft += 2; 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state = TICK_OUTSIDE_1; 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outLeft = i; 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (required && !found) { 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outError = "No marked region found along edge"; 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outLeft = -1; 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic status_t get_vertical_ticks( 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytepp rows, int offset, int height, bool transparent, bool required, 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int32_t* outTop, int32_t* outBottom, const char** outError, 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint8_t* outDivs, bool multipleAllowed) 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outTop = *outBottom = -1; 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int state = TICK_START; 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool found = false; 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=1; i<height-1; i++) { 263ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (TICK_TYPE_TICK == tick_type(rows[i]+offset, transparent, outError)) { 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state == TICK_START || 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (state == TICK_OUTSIDE_1 && multipleAllowed)) { 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outTop = i-1; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outBottom = height-2; 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project found = true; 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (outDivs != NULL) { 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outDivs += 2; 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state = TICK_INSIDE_1; 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (state == TICK_OUTSIDE_1) { 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outError = "Can't have more than one marked region along edge"; 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outTop = i; 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (*outError == NULL) { 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state == TICK_INSIDE_1) { 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We're done with this div. Move on to the next. 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outBottom = i-1; 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outTop += 2; 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outBottom += 2; 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state = TICK_OUTSIDE_1; 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outTop = i; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (required && !found) { 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outError = "No marked region found along edge"; 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outTop = -1; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 301ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasanistatic status_t get_horizontal_layout_bounds_ticks( 302ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani png_bytep row, int width, bool transparent, bool required, 303ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int32_t* outLeft, int32_t* outRight, const char** outError) 304ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani{ 305ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int i; 306ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani *outLeft = *outRight = 0; 307ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 308ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani // Look for left tick 309ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (TICK_TYPE_LAYOUT_BOUNDS == tick_type(row + 4, transparent, outError)) { 310ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani // Starting with a layout padding tick 311ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani i = 1; 312ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani while (i < width - 1) { 313ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani (*outLeft)++; 314ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani i++; 315ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int tick = tick_type(row + i * 4, transparent, outError); 316ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (tick != TICK_TYPE_LAYOUT_BOUNDS) { 317ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani break; 318ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 319ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 320ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 321ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 322ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani // Look for right tick 323ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (TICK_TYPE_LAYOUT_BOUNDS == tick_type(row + (width - 2) * 4, transparent, outError)) { 324ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani // Ending with a layout padding tick 325ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani i = width - 2; 326ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani while (i > 1) { 327ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani (*outRight)++; 328ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani i--; 329ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int tick = tick_type(row+i*4, transparent, outError); 330ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (tick != TICK_TYPE_LAYOUT_BOUNDS) { 331ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani break; 332ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 333ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 334ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 335ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 336ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani return NO_ERROR; 337ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani} 338ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 339ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasanistatic status_t get_vertical_layout_bounds_ticks( 340ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani png_bytepp rows, int offset, int height, bool transparent, bool required, 341ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int32_t* outTop, int32_t* outBottom, const char** outError) 342ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani{ 343ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int i; 344ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani *outTop = *outBottom = 0; 345ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 346ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani // Look for top tick 347ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (TICK_TYPE_LAYOUT_BOUNDS == tick_type(rows[1] + offset, transparent, outError)) { 348ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani // Starting with a layout padding tick 349ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani i = 1; 350ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani while (i < height - 1) { 351ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani (*outTop)++; 352ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani i++; 353ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int tick = tick_type(rows[i] + offset, transparent, outError); 354ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (tick != TICK_TYPE_LAYOUT_BOUNDS) { 355ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani break; 356ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 357ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 358ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 359ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 360ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani // Look for bottom tick 361ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (TICK_TYPE_LAYOUT_BOUNDS == tick_type(rows[height - 2] + offset, transparent, outError)) { 362ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani // Ending with a layout padding tick 363ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani i = height - 2; 364ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani while (i > 1) { 365ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani (*outBottom)++; 366ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani i--; 367ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int tick = tick_type(rows[i] + offset, transparent, outError); 368ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (tick != TICK_TYPE_LAYOUT_BOUNDS) { 369ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani break; 370ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 371ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 372ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 373ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 374ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani return NO_ERROR; 375ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani} 376ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 377ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic uint32_t get_color( 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytepp rows, int left, int top, int right, int bottom) 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep color = rows[top] + left*4; 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (left > right || top > bottom) { 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Res_png_9patch::TRANSPARENT_COLOR; 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (top <= bottom) { 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = left; i <= right; i++) { 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep p = rows[top]+i*4; 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color[3] == 0) { 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p[3] != 0) { 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Res_png_9patch::NO_COLOR; 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (p[0] != color[0] || p[1] != color[1] 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || p[2] != color[2] || p[3] != color[3]) { 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Res_png_9patch::NO_COLOR; 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project top++; 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color[3] == 0) { 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Res_png_9patch::TRANSPARENT_COLOR; 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (color[3]<<24) | (color[0]<<16) | (color[1]<<8) | color[2]; 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void select_patch( 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int which, int front, int back, int size, int* start, int* end) 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (which) { 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 0: 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *start = 0; 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *end = front-1; 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 1: 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *start = front; 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *end = back-1; 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 2: 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *start = back; 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *end = size-1; 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic uint32_t get_color(image_info* image, int hpatch, int vpatch) 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int left, right, top, bottom; 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project select_patch( 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hpatch, image->info9Patch.xDivs[0], image->info9Patch.xDivs[1], 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->width, &left, &right); 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project select_patch( 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project vpatch, image->info9Patch.yDivs[0], image->info9Patch.yDivs[1], 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->height, &top, &bottom); 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("Selecting h=%d v=%d: (%d,%d)-(%d,%d)\n", 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // hpatch, vpatch, left, top, right, bottom); 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const uint32_t c = get_color(image->rows, left, top, right, bottom); 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Color in (%d,%d)-(%d,%d): #%08x\n", left, top, right, bottom, c)); 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return c; 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic status_t do_9patch(const char* imageName, image_info* image) 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->is9Patch = true; 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int W = image->width; 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int H = image->height; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i, j; 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4514df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project int maxSizeXDivs = W * sizeof(int32_t); 4524df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project int maxSizeYDivs = H * sizeof(int32_t); 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int32_t* xDivs = (int32_t*) malloc(maxSizeXDivs); 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int32_t* yDivs = (int32_t*) malloc(maxSizeYDivs); 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint8_t numXDivs = 0; 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint8_t numYDivs = 0; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int8_t numColors; 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numRows; 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numCols; 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int top; 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int left; 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int right; 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bottom; 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memset(xDivs, -1, maxSizeXDivs); 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memset(yDivs, -1, maxSizeYDivs); 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingLeft = image->info9Patch.paddingRight = 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingTop = image->info9Patch.paddingBottom = -1; 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani image->layoutBoundsLeft = image->layoutBoundsRight = 470ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani image->layoutBoundsTop = image->layoutBoundsBottom = 0; 471ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep p = image->rows[0]; 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool transparent = p[3] == 0; 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool hasColor = false; 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* errorMsg = NULL; 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int errorPixel = -1; 4789e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root const char* errorEdge = NULL; 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int colorIndex = 0; 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Validate size... 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (W < 3 || H < 3) { 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorMsg = "Image must be at least 3x3 (1x1 without frame) pixels"; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto getout; 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Validate frame... 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!transparent && 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (p[0] != 0xFF || p[1] != 0xFF || p[2] != 0xFF || p[3] != 0xFF)) { 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorMsg = "Must have one-pixel frame that is either transparent or white"; 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto getout; 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Find left and right of sizing areas... 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (get_horizontal_ticks(p, W, transparent, true, &xDivs[0], 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &xDivs[1], &errorMsg, &numXDivs, true) != NO_ERROR) { 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorPixel = xDivs[0]; 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorEdge = "top"; 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto getout; 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Find top and bottom of sizing areas... 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (get_vertical_ticks(image->rows, 0, H, transparent, true, &yDivs[0], 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &yDivs[1], &errorMsg, &numYDivs, true) != NO_ERROR) { 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorPixel = yDivs[0]; 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorEdge = "left"; 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto getout; 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Find left and right of padding area... 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (get_horizontal_ticks(image->rows[H-1], W, transparent, false, &image->info9Patch.paddingLeft, 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &image->info9Patch.paddingRight, &errorMsg, NULL, false) != NO_ERROR) { 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorPixel = image->info9Patch.paddingLeft; 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorEdge = "bottom"; 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto getout; 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Find top and bottom of padding area... 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (get_vertical_ticks(image->rows, (W-1)*4, H, transparent, false, &image->info9Patch.paddingTop, 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &image->info9Patch.paddingBottom, &errorMsg, NULL, false) != NO_ERROR) { 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorPixel = image->info9Patch.paddingTop; 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorEdge = "right"; 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto getout; 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 527ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani // Find left and right of layout padding... 528ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani get_horizontal_layout_bounds_ticks(image->rows[H-1], W, transparent, false, 529ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani &image->layoutBoundsLeft, 530ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani &image->layoutBoundsRight, &errorMsg); 531ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 532ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani get_vertical_layout_bounds_ticks(image->rows, (W-1)*4, H, transparent, false, 533ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani &image->layoutBoundsTop, 534ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani &image->layoutBoundsBottom, &errorMsg); 535ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 536ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani image->haveLayoutBounds = image->layoutBoundsLeft != 0 537ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani || image->layoutBoundsRight != 0 538ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani || image->layoutBoundsTop != 0 539ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani || image->layoutBoundsBottom != 0; 540ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 541ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (image->haveLayoutBounds) { 542ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani NOISY(printf("layoutBounds=%d %d %d %d\n", image->layoutBoundsLeft, image->layoutBoundsTop, 543ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani image->layoutBoundsRight, image->layoutBoundsBottom)); 544ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 545ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Copy patch data into image 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.numXDivs = numXDivs; 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.numYDivs = numYDivs; 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.xDivs = xDivs; 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.yDivs = yDivs; 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If padding is not yet specified, take values from size. 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (image->info9Patch.paddingLeft < 0) { 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingLeft = xDivs[0]; 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingRight = W - 2 - xDivs[1]; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Adjust value to be correct! 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingRight = W - 2 - image->info9Patch.paddingRight; 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (image->info9Patch.paddingTop < 0) { 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingTop = yDivs[0]; 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingBottom = H - 2 - yDivs[1]; 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Adjust value to be correct! 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingBottom = H - 2 - image->info9Patch.paddingBottom; 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Size ticks for %s: x0=%d, x1=%d, y0=%d, y1=%d\n", imageName, 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.xDivs[0], image->info9Patch.xDivs[1], 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.yDivs[0], image->info9Patch.yDivs[1])); 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("padding ticks for %s: l=%d, r=%d, t=%d, b=%d\n", imageName, 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingLeft, image->info9Patch.paddingRight, 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingTop, image->info9Patch.paddingBottom)); 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remove frame from image. 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->rows = (png_bytepp)malloc((H-2) * png_sizeof(png_bytep)); 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<(H-2); i++) { 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->rows[i] = image->allocRows[i+1]; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memmove(image->rows[i], image->rows[i]+4, (W-2)*4); 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->width -= 2; 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project W = image->width; 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->height -= 2; 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project H = image->height; 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Figure out the number of rows and columns in the N-patch 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numCols = numXDivs + 1; 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (xDivs[0] == 0) { // Column 1 is strechable 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numCols--; 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (xDivs[numXDivs - 1] == W) { 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numCols--; 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numRows = numYDivs + 1; 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (yDivs[0] == 0) { // Row 1 is strechable 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numRows--; 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (yDivs[numYDivs - 1] == H) { 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numRows--; 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6019e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root 6029e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root // Make sure the amount of rows and columns will fit in the number of 6039e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root // colors we can use in the 9-patch format. 6049e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root if (numRows * numCols > 0x7F) { 6059e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root errorMsg = "Too many rows and columns in 9-patch perimeter"; 6069e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root goto getout; 6079e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root } 6089e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numColors = numRows * numCols; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.numColors = numColors; 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.colors = (uint32_t*)malloc(numColors * sizeof(uint32_t)); 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Fill in color information for each patch. 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t c; 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project top = 0; 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The first row always starts with the top being at y=0 and the bottom 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // being either yDivs[1] (if yDivs[0]=0) of yDivs[0]. In the former case 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the first row is stretchable along the Y axis, otherwise it is fixed. 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The last row always ends with the bottom being bitmap.height and the top 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // being either yDivs[numYDivs-2] (if yDivs[numYDivs-1]=bitmap.height) or 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // yDivs[numYDivs-1]. In the former case the last row is stretchable along 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the Y axis, otherwise it is fixed. 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The first and last columns are similarly treated with respect to the X 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // axis. 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The above is to help explain some of the special casing that goes on the 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // code below. 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The initial yDiv and whether the first row is considered stretchable or 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // not depends on whether yDiv[0] was zero or not. 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = (yDivs[0] == 0 ? 1 : 0); 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project j <= numYDivs && top < H; 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project j++) { 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (j == numYDivs) { 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottom = H; 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottom = yDivs[j]; 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project left = 0; 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The initial xDiv and whether the first column is considered 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stretchable or not depends on whether xDiv[0] was zero or not. 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = xDivs[0] == 0 ? 1 : 0; 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i <= numXDivs && left < W; 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++) { 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == numXDivs) { 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project right = W; 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project right = xDivs[i]; 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c = get_color(image->rows, left, top, right - 1, bottom - 1); 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.colors[colorIndex++] = c; 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(if (c != Res_png_9patch::NO_COLOR) hasColor = true); 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project left = right; 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project top = bottom; 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(colorIndex == numColors); 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<numColors; i++) { 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasColor) { 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == 0) printf("Colors in %s:\n ", imageName); 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" #%08x", image->info9Patch.colors[i]); 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == numColors - 1) printf("\n"); 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->is9Patch = true; 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.deviceToFile(); 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectgetout: 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (errorMsg) { 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fprintf(stderr, 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "ERROR: 9-patch image %s malformed.\n" 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project " %s.\n", imageName, errorMsg); 6799e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root if (errorEdge != NULL) { 6809e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root if (errorPixel >= 0) { 6819e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root fprintf(stderr, 6829e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root " Found at pixel #%d along %s edge.\n", errorPixel, errorEdge); 6839e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root } else { 6849e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root fprintf(stderr, 6859e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root " Found along %s edge.\n", errorEdge); 6869e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root } 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void checkNinePatchSerialization(Res_png_9patch* inPatch, void * data) 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizeof(void*) != sizeof(int32_t)) { 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // can't deserialize on a non-32 bit system 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t patchSize = inPatch->serializedSize(); 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void * newData = malloc(patchSize); 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(newData, data, patchSize); 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Res_png_9patch* outPatch = inPatch->deserialize(newData); 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // deserialization is done in place, so outPatch == newData 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch == newData); 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->numXDivs == inPatch->numXDivs); 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->numYDivs == inPatch->numYDivs); 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->paddingLeft == inPatch->paddingLeft); 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->paddingRight == inPatch->paddingRight); 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->paddingTop == inPatch->paddingTop); 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->paddingBottom == inPatch->paddingBottom); 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < outPatch->numXDivs; i++) { 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->xDivs[i] == inPatch->xDivs[i]); 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < outPatch->numYDivs; i++) { 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->yDivs[i] == inPatch->yDivs[i]); 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < outPatch->numColors; i++) { 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->colors[i] == inPatch->colors[i]); 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(newData); 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic bool patch_equals(Res_png_9patch& patch1, Res_png_9patch& patch2) { 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!(patch1.numXDivs == patch2.numXDivs && 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project patch1.numYDivs == patch2.numYDivs && 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project patch1.numColors == patch2.numColors && 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project patch1.paddingLeft == patch2.paddingLeft && 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project patch1.paddingRight == patch2.paddingRight && 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project patch1.paddingTop == patch2.paddingTop && 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project patch1.paddingBottom == patch2.paddingBottom)) { 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < patch1.numColors; i++) { 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (patch1.colors[i] != patch2.colors[i]) { 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < patch1.numXDivs; i++) { 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (patch1.xDivs[i] != patch2.xDivs[i]) { 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < patch1.numYDivs; i++) { 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (patch1.yDivs[i] != patch2.yDivs[i]) { 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void dump_image(int w, int h, png_bytepp rows, int color_type) 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i, j, rr, gg, bb, aa; 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bpp; 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color_type == PNG_COLOR_TYPE_PALETTE || color_type == PNG_COLOR_TYPE_GRAY) { 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bpp = 1; 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (color_type == PNG_COLOR_TYPE_GRAY_ALPHA) { 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bpp = 2; 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (color_type == PNG_COLOR_TYPE_RGB || color_type == PNG_COLOR_TYPE_RGB_ALPHA) { 7619e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root // We use a padding byte even when there is no alpha 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bpp = 4; 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("Unknown color type %d.\n", color_type); 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = 0; j < h; j++) { 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep row = rows[j]; 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < w; i++) { 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rr = row[0]; 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gg = row[1]; 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bb = row[2]; 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project aa = row[3]; 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project row += bpp; 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == 0) { 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("Row %d:", j); 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (bpp) { 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 1: 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" (%d)", rr); 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 2: 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" (%d %d", rr, gg); 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 3: 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" (%d %d %d)", rr, gg, bb); 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 4: 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" (%d %d %d %d)", rr, gg, bb, aa); 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == (w - 1)) { 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("\n")); 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define MAX(a,b) ((a)>(b)?(a):(b)) 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define ABS(a) ((a)<0?-(a):(a)) 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void analyze_image(const char *imageName, image_info &imageInfo, int grayscaleTolerance, 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_colorp rgbPalette, png_bytep alphaPalette, 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int *paletteEntries, bool *hasTransparency, int *colorType, 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytepp outRows) 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int w = imageInfo.width; 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int h = imageInfo.height; 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i, j, rr, gg, bb, aa, idx; 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t colors[256], col; 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int num_colors = 0; 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int maxGrayDeviation = 0; 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool isOpaque = true; 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool isPalette = true; 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool isGrayscale = true; 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Scan the entire image and determine if: 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 1. Every pixel has R == G == B (grayscale) 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 2. Every pixel has A == 255 (opaque) 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 3. There are no more than 256 distinct RGBA colors 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // NOISY(printf("Initial image data:\n")); 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dump_image(w, h, imageInfo.rows, PNG_COLOR_TYPE_RGB_ALPHA); 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = 0; j < h; j++) { 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep row = imageInfo.rows[j]; 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep out = outRows[j]; 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < w; i++) { 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rr = *row++; 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gg = *row++; 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bb = *row++; 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project aa = *row++; 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int odev = maxGrayDeviation; 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxGrayDeviation = MAX(ABS(rr - gg), maxGrayDeviation); 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxGrayDeviation = MAX(ABS(gg - bb), maxGrayDeviation); 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxGrayDeviation = MAX(ABS(bb - rr), maxGrayDeviation); 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (maxGrayDeviation > odev) { 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("New max dev. = %d at pixel (%d, %d) = (%d %d %d %d)\n", 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxGrayDeviation, i, j, rr, gg, bb, aa)); 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if image is really grayscale 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isGrayscale) { 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rr != gg || rr != bb) { 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Found a non-gray pixel at %d, %d = (%d %d %d %d)\n", 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i, j, rr, gg, bb, aa)); 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project isGrayscale = false; 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if image is really opaque 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isOpaque) { 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (aa != 0xff) { 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Found a non-opaque pixel at %d, %d = (%d %d %d %d)\n", 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i, j, rr, gg, bb, aa)); 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project isOpaque = false; 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if image is really <= 256 colors 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isPalette) { 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project col = (uint32_t) ((rr << 24) | (gg << 16) | (bb << 8) | aa); 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool match = false; 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (idx = 0; idx < num_colors; idx++) { 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (colors[idx] == col) { 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project match = true; 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Write the palette index for the pixel to outRows optimistically 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We might overwrite it later if we decide to encode as gray or 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // gray + alpha 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *out++ = idx; 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!match) { 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (num_colors == 256) { 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Found 257th color at %d, %d\n", i, j)); 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project isPalette = false; 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project colors[num_colors++] = col; 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *paletteEntries = 0; 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *hasTransparency = !isOpaque; 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bpp = isOpaque ? 3 : 4; 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paletteSize = w * h + bpp * num_colors; 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("isGrayscale = %s\n", isGrayscale ? "true" : "false")); 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("isOpaque = %s\n", isOpaque ? "true" : "false")); 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("isPalette = %s\n", isPalette ? "true" : "false")); 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Size w/ palette = %d, gray+alpha = %d, rgb(a) = %d\n", 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paletteSize, 2 * w * h, bpp * w * h)); 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Max gray deviation = %d, tolerance = %d\n", maxGrayDeviation, grayscaleTolerance)); 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Choose the best color type for the image. 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 1. Opaque gray - use COLOR_TYPE_GRAY at 1 byte/pixel 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 2. Gray + alpha - use COLOR_TYPE_PALETTE if the number of distinct combinations 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // is sufficiently small, otherwise use COLOR_TYPE_GRAY_ALPHA 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 3. RGB(A) - use COLOR_TYPE_PALETTE if the number of distinct colors is sufficiently 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // small, otherwise use COLOR_TYPE_RGB{_ALPHA} 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isGrayscale) { 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isOpaque) { 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *colorType = PNG_COLOR_TYPE_GRAY; // 1 byte/pixel 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use a simple heuristic to determine whether using a palette will 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // save space versus using gray + alpha for each pixel. 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This doesn't take into account chunk overhead, filtering, LZ 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // compression, etc. 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isPalette && (paletteSize < 2 * w * h)) { 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *colorType = PNG_COLOR_TYPE_PALETTE; // 1 byte/pixel + 4 bytes/color 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *colorType = PNG_COLOR_TYPE_GRAY_ALPHA; // 2 bytes per pixel 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (isPalette && (paletteSize < bpp * w * h)) { 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *colorType = PNG_COLOR_TYPE_PALETTE; 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (maxGrayDeviation <= grayscaleTolerance) { 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("%s: forcing image to gray (max deviation = %d)\n", imageName, maxGrayDeviation); 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *colorType = isOpaque ? PNG_COLOR_TYPE_GRAY : PNG_COLOR_TYPE_GRAY_ALPHA; 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *colorType = isOpaque ? PNG_COLOR_TYPE_RGB : PNG_COLOR_TYPE_RGB_ALPHA; 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Perform postprocessing of the image or palette data based on the final 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // color type chosen 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*colorType == PNG_COLOR_TYPE_PALETTE) { 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Create separate RGB and Alpha palettes and set the number of colors 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *paletteEntries = num_colors; 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Create the RGB and alpha palettes 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int idx = 0; idx < num_colors; idx++) { 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project col = colors[idx]; 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rgbPalette[idx].red = (png_byte) ((col >> 24) & 0xff); 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rgbPalette[idx].green = (png_byte) ((col >> 16) & 0xff); 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rgbPalette[idx].blue = (png_byte) ((col >> 8) & 0xff); 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alphaPalette[idx] = (png_byte) (col & 0xff); 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (*colorType == PNG_COLOR_TYPE_GRAY || *colorType == PNG_COLOR_TYPE_GRAY_ALPHA) { 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If the image is gray or gray + alpha, compact the pixels into outRows 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = 0; j < h; j++) { 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep row = imageInfo.rows[j]; 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep out = outRows[j]; 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < w; i++) { 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rr = *row++; 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gg = *row++; 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bb = *row++; 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project aa = *row++; 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isGrayscale) { 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *out++ = rr; 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *out++ = (png_byte) (rr * 0.2126f + gg * 0.7152f + bb * 0.0722f); 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isOpaque) { 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *out++ = aa; 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void write_png(const char* imageName, 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_structp write_ptr, png_infop write_info, 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image_info& imageInfo, int grayscaleTolerance) 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool optimize = true; 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_uint_32 width, height; 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int color_type; 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bit_depth, interlace_type, compression_type; 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 983ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani png_unknown_chunk unknowns[2]; 9846a1fadea851db236331b3dfe1f3c1e482556057fMarco Nelissen unknowns[0].data = NULL; 985ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani unknowns[1].data = NULL; 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytepp outRows = (png_bytepp) malloc((int) imageInfo.height * png_sizeof(png_bytep)); 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (outRows == (png_bytepp) 0) { 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("Can't allocate output buffer!\n"); 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project exit(1); 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < (int) imageInfo.height; i++) { 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outRows[i] = (png_bytep) malloc(2 * (int) imageInfo.width); 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (outRows[i] == (png_bytep) 0) { 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("Can't allocate output buffer!\n"); 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project exit(1); 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_compression_level(write_ptr, Z_BEST_COMPRESSION); 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Writing image %s: w = %d, h = %d\n", imageName, 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int) imageInfo.width, (int) imageInfo.height)); 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_color rgbPalette[256]; 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_byte alphaPalette[256]; 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool hasTransparency; 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paletteEntries; 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project analyze_image(imageName, imageInfo, grayscaleTolerance, rgbPalette, alphaPalette, 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &paletteEntries, &hasTransparency, &color_type, outRows); 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If the image is a 9-patch, we need to preserve it as a ARGB file to make 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // sure the pixels will not be pre-dithered/clamped until we decide they are 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (imageInfo.is9Patch && (color_type == PNG_COLOR_TYPE_RGB || 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_PALETTE)) { 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project color_type = PNG_COLOR_TYPE_RGB_ALPHA; 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (color_type) { 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case PNG_COLOR_TYPE_PALETTE: 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Image %s has %d colors%s, using PNG_COLOR_TYPE_PALETTE\n", 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project imageName, paletteEntries, 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hasTransparency ? " (with alpha)" : "")); 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case PNG_COLOR_TYPE_GRAY: 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Image %s is opaque gray, using PNG_COLOR_TYPE_GRAY\n", imageName)); 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case PNG_COLOR_TYPE_GRAY_ALPHA: 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Image %s is gray + alpha, using PNG_COLOR_TYPE_GRAY_ALPHA\n", imageName)); 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case PNG_COLOR_TYPE_RGB: 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Image %s is opaque RGB, using PNG_COLOR_TYPE_RGB\n", imageName)); 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case PNG_COLOR_TYPE_RGB_ALPHA: 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Image %s is RGB + alpha, using PNG_COLOR_TYPE_RGB_ALPHA\n", imageName)); 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_IHDR(write_ptr, write_info, imageInfo.width, imageInfo.height, 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8, color_type, PNG_INTERLACE_NONE, 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color_type == PNG_COLOR_TYPE_PALETTE) { 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_PLTE(write_ptr, write_info, rgbPalette, paletteEntries); 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasTransparency) { 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_tRNS(write_ptr, write_info, alphaPalette, paletteEntries, (png_color_16p) 0); 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_filter(write_ptr, 0, PNG_NO_FILTERS); 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_filter(write_ptr, 0, PNG_ALL_FILTERS); 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (imageInfo.is9Patch) { 1055ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int chunk_count = 1 + (imageInfo.haveLayoutBounds ? 1 : 0); 1056ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int p_index = imageInfo.haveLayoutBounds ? 1 : 0; 1057ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int b_index = 0; 1058ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani png_byte *chunk_names = imageInfo.haveLayoutBounds 1059ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani ? (png_byte*)"npLb\0npTc\0" 1060ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani : (png_byte*)"npTc"; 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Adding 9-patch info...\n")); 1062ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani strcpy((char*)unknowns[p_index].name, "npTc"); 1063ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani unknowns[p_index].data = (png_byte*)imageInfo.info9Patch.serialize(); 1064ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani unknowns[p_index].size = imageInfo.info9Patch.serializedSize(); 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: remove the check below when everything works 1066ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani checkNinePatchSerialization(&imageInfo.info9Patch, unknowns[p_index].data); 1067ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 1068ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (imageInfo.haveLayoutBounds) { 1069ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani int chunk_size = sizeof(png_uint_32) * 4; 1070ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani strcpy((char*)unknowns[b_index].name, "npLb"); 1071ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani unknowns[b_index].data = (png_byte*) calloc(chunk_size, 1); 1072ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani memcpy(unknowns[b_index].data, &imageInfo.layoutBoundsLeft, chunk_size); 1073ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani unknowns[b_index].size = chunk_size; 1074ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 1075ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_keep_unknown_chunks(write_ptr, PNG_HANDLE_CHUNK_ALWAYS, 1077ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani chunk_names, chunk_count); 1078ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani png_set_unknown_chunks(write_ptr, write_info, unknowns, chunk_count); 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX I can't get this to work without forcibly changing 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the location to what I want... which apparently is supposed 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to be a private API, but everything else I have tried results 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // in the location being set to what I -last- wrote so I never 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // get written. :p 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_unknown_chunk_location(write_ptr, write_info, 0, PNG_HAVE_PLTE); 1085ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani if (imageInfo.haveLayoutBounds) { 1086ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani png_set_unknown_chunk_location(write_ptr, write_info, 1, PNG_HAVE_PLTE); 1087ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani } 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1090ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_write_info(write_ptr, write_info); 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytepp rows; 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color_type == PNG_COLOR_TYPE_RGB || color_type == PNG_COLOR_TYPE_RGB_ALPHA) { 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_filler(write_ptr, 0, PNG_FILLER_AFTER); 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rows = imageInfo.rows; 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rows = outRows; 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_write_image(write_ptr, rows); 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// NOISY(printf("Final image data:\n")); 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// dump_image(imageInfo.width, imageInfo.height, rows, color_type); 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_write_end(write_ptr, write_info); 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < (int) imageInfo.height; i++) { 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(outRows[i]); 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(outRows); 11116a1fadea851db236331b3dfe1f3c1e482556057fMarco Nelissen free(unknowns[0].data); 1112ec4a50428d5f26a22df3edaf7e5b08f41d5cb54bAmith Yamasani free(unknowns[1].data); 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_get_IHDR(write_ptr, write_info, &width, &height, 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &bit_depth, &color_type, &interlace_type, 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &compression_type, NULL); 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Image written: w=%d, h=%d, d=%d, colors=%d, inter=%d, comp=%d\n", 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)width, (int)height, bit_depth, color_type, interlace_type, 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project compression_type)); 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1123c0f7366a15655c6973ea21029f1997f24c006ccaJeff Brownstatus_t preProcessImage(const Bundle* bundle, const sp<AaptAssets>& assets, 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<AaptFile>& file, String8* outNewLeafName) 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 ext(file->getPath().getPathExtension()); 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We currently only process PNG images. 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strcmp(ext.string(), ".png") != 0) { 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Example of renaming a file: 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //*outNewLeafName = file->getPath().getBasePath().getFileName(); 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //outNewLeafName->append(".nupng"); 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 printableName(file->getPrintableSource()); 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1139e6b680364dd992907a8d2037685a2e500d188dfbDianne Hackborn if (bundle->getVerbose()) { 1140e6b680364dd992907a8d2037685a2e500d188dfbDianne Hackborn printf("Processing image: %s\n", printableName.string()); 1141e6b680364dd992907a8d2037685a2e500d188dfbDianne Hackborn } 1142e6b680364dd992907a8d2037685a2e500d188dfbDianne Hackborn 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_structp read_ptr = NULL; 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_infop read_info = NULL; 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FILE* fp; 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image_info imageInfo; 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_structp write_ptr = NULL; 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_infop write_info = NULL; 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t error = UNKNOWN_ERROR; 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t nameLen = file->getPath().length(); 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fp = fopen(file->getSourceFile().string(), "rb"); 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fp == NULL) { 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fprintf(stderr, "%s: ERROR: Unable to open PNG file\n", printableName.string()); 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project read_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, 0, (png_error_ptr)NULL, 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (png_error_ptr)NULL); 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!read_ptr) { 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project read_info = png_create_info_struct(read_ptr); 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!read_info) { 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (setjmp(png_jmpbuf(read_ptr))) { 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_init_io(read_ptr, fp); 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project read_png(printableName.string(), read_ptr, read_info, &imageInfo); 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (nameLen > 6) { 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* name = file->getPath().string(); 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name[nameLen-5] == '9' && name[nameLen-6] == '.') { 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (do_9patch(printableName.string(), &imageInfo) != NO_ERROR) { 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project write_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, 0, (png_error_ptr)NULL, 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (png_error_ptr)NULL); 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!write_ptr) 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project write_info = png_create_info_struct(write_ptr); 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!write_info) 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_write_fn(write_ptr, (void*)file.get(), 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_write_aapt_file, png_flush_aapt_file); 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (setjmp(png_jmpbuf(write_ptr))) 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project write_png(printableName.string(), write_ptr, write_info, imageInfo, 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bundle->getGrayscaleTolerance()); 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project error = NO_ERROR; 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bundle->getVerbose()) { 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fseek(fp, 0, SEEK_END); 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t oldSize = (size_t)ftell(fp); 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t newSize = file->getSize(); 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float factor = ((float)newSize)/oldSize; 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int percent = (int)(factor*100); 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" (processed image %s: %d%% size of source)\n", printableName.string(), percent); 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbail: 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (read_ptr) { 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_destroy_read_struct(&read_ptr, &read_info, (png_infopp)NULL); 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fp) { 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fclose(fp); 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (write_ptr) { 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_destroy_write_struct(&write_ptr, &write_info); 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (error != NO_ERROR) { 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fprintf(stderr, "ERROR: Failure processing PNG image %s\n", 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project file->getPrintableSource().string()); 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return error; 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1243c0f7366a15655c6973ea21029f1997f24c006ccaJeff Brownstatus_t preProcessImageToCache(const Bundle* bundle, const String8& source, const String8& dest) 12448a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin{ 12458a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin png_structp read_ptr = NULL; 12468a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin png_infop read_info = NULL; 12478a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 12488a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin FILE* fp; 12498a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 12508a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin image_info imageInfo; 12518a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 12528a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin png_structp write_ptr = NULL; 12538a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin png_infop write_info = NULL; 12548a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 12558a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin status_t error = UNKNOWN_ERROR; 12568a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 1257e6b680364dd992907a8d2037685a2e500d188dfbDianne Hackborn if (bundle->getVerbose()) { 1258e6b680364dd992907a8d2037685a2e500d188dfbDianne Hackborn printf("Processing image to cache: %s => %s\n", source.string(), dest.string()); 1259e6b680364dd992907a8d2037685a2e500d188dfbDianne Hackborn } 1260e6b680364dd992907a8d2037685a2e500d188dfbDianne Hackborn 12618a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // Get a file handler to read from 12628a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin fp = fopen(source.string(),"rb"); 12638a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin if (fp == NULL) { 12648a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin fprintf(stderr, "%s ERROR: Unable to open PNG file\n", source.string()); 12658a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin return error; 12668a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin } 12678a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 12688a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // Call libpng to get a struct to read image data into 12698a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin read_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); 12708a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin if (!read_ptr) { 12718a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin fclose(fp); 12728a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin png_destroy_read_struct(&read_ptr, &read_info,NULL); 12738a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin return error; 12748a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin } 12758a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 12768a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // Call libpng to get a struct to read image info into 12778a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin read_info = png_create_info_struct(read_ptr); 12788a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin if (!read_info) { 12798a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin fclose(fp); 12808a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin png_destroy_read_struct(&read_ptr, &read_info,NULL); 12818a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin return error; 12828a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin } 12838a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 12848a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // Set a jump point for libpng to long jump back to on error 12858a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin if (setjmp(png_jmpbuf(read_ptr))) { 12868a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin fclose(fp); 12878a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin png_destroy_read_struct(&read_ptr, &read_info,NULL); 12888a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin return error; 12898a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin } 12908a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 12918a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // Set up libpng to read from our file. 12928a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin png_init_io(read_ptr,fp); 12938a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 12948a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // Actually read data from the file 12958a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin read_png(source.string(), read_ptr, read_info, &imageInfo); 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12978a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // We're done reading so we can clean up 12988a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // Find old file size before releasing handle 12998a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin fseek(fp, 0, SEEK_END); 13008a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin size_t oldSize = (size_t)ftell(fp); 13018a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin fclose(fp); 13028a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin png_destroy_read_struct(&read_ptr, &read_info,NULL); 13038a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 13048a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // Check to see if we're dealing with a 9-patch 13058a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // If we are, process appropriately 13068a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin if (source.getBasePath().getPathExtension() == ".9") { 13078a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin if (do_9patch(source.string(), &imageInfo) != NO_ERROR) { 13088a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin return error; 13098a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin } 13108a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin } 13118a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 13128a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // Call libpng to create a structure to hold the processed image data 13138a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // that can be written to disk 13148a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin write_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); 13158a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin if (!write_ptr) { 13168a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin png_destroy_write_struct(&write_ptr, &write_info); 13178a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin return error; 13188a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin } 13198a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 13208a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // Call libpng to create a structure to hold processed image info that can 13218a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // be written to disk 13228a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin write_info = png_create_info_struct(write_ptr); 13238a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin if (!write_info) { 13248a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin png_destroy_write_struct(&write_ptr, &write_info); 13258a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin return error; 13268a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin } 13278a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 13288a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // Open up our destination file for writing 13298a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin fp = fopen(dest.string(), "wb"); 13308a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin if (!fp) { 13318a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin fprintf(stderr, "%s ERROR: Unable to open PNG file\n", dest.string()); 13328a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin png_destroy_write_struct(&write_ptr, &write_info); 13338a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin return error; 13348a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin } 13358a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 13368a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // Set up libpng to write to our file 13378a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin png_init_io(write_ptr, fp); 13388a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 13398a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // Set up a jump for libpng to long jump back on on errors 13408a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin if (setjmp(png_jmpbuf(write_ptr))) { 13418a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin fclose(fp); 13428a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin png_destroy_write_struct(&write_ptr, &write_info); 13438a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin return error; 13448a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin } 13458a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 13468a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // Actually write out to the new png 13478a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin write_png(dest.string(), write_ptr, write_info, imageInfo, 13488a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin bundle->getGrayscaleTolerance()); 13498a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 13508a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin if (bundle->getVerbose()) { 13518a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin // Find the size of our new file 13528a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin FILE* reader = fopen(dest.string(), "rb"); 13538a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin fseek(reader, 0, SEEK_END); 13548a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin size_t newSize = (size_t)ftell(reader); 13558a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin fclose(reader); 13568a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 13578a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin float factor = ((float)newSize)/oldSize; 13588a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin int percent = (int)(factor*100); 13598a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin printf(" (processed image to cache entry %s: %d%% size of source)\n", 13608a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin dest.string(), percent); 13618a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin } 13628a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 13638a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin //Clean up 13648a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin fclose(fp); 13658a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin png_destroy_write_struct(&write_ptr, &write_info); 13668a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin 13678a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin return NO_ERROR; 13688a39da80b33691b0c82458c3b7727e13ff71277eJosiah Gaskin} 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t postProcessImage(const sp<AaptAssets>& assets, 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ResourceTable* table, const sp<AaptFile>& file) 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 ext(file->getPath().getPathExtension()); 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // At this point, now that we have all the resource data, all we need to 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // do is compile XML files. 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strcmp(ext.string(), ".xml") == 0) { 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return compileXmlFile(assets, file, table); 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1383