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 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/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 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_uint_32 allocHeight; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytepp allocRows; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void read_png(const char* imageName, 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_structp read_ptr, png_infop read_info, 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image_info* outImageInfo) 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int color_type; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bit_depth, interlace_type, compression_type; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_read_info(read_ptr, read_info); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_get_IHDR(read_ptr, read_info, &outImageInfo->width, 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &outImageInfo->height, &bit_depth, &color_type, 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &interlace_type, &compression_type, NULL); 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("Image %s:\n", imageName); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("color_type=%d, bit_depth=%d, interlace_type=%d, compression_type=%d\n", 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // color_type, bit_depth, interlace_type, compression_type); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color_type == PNG_COLOR_TYPE_PALETTE) 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_palette_to_rgb(read_ptr); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_gray_1_2_4_to_8(read_ptr); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (png_get_valid(read_ptr, read_info, PNG_INFO_tRNS)) { 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("Has PNG_INFO_tRNS!\n"); 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_tRNS_to_alpha(read_ptr); 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bit_depth == 16) 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_strip_16(read_ptr); 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((color_type&PNG_COLOR_MASK_ALPHA) == 0) 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_add_alpha(read_ptr, 0xFF, PNG_FILLER_AFTER); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_gray_to_rgb(read_ptr); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_read_update_info(read_ptr, read_info); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outImageInfo->rows = (png_bytepp)malloc( 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outImageInfo->height * png_sizeof(png_bytep)); 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outImageInfo->allocHeight = outImageInfo->height; 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outImageInfo->allocRows = outImageInfo->rows; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_rows(read_ptr, read_info, outImageInfo->rows); 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < (int)outImageInfo->height; i++) 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outImageInfo->rows[i] = (png_bytep) 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project malloc(png_get_rowbytes(read_ptr, read_info)); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_read_image(read_ptr, outImageInfo->rows); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_read_end(read_ptr, read_info); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Image %s: w=%d, h=%d, d=%d, colors=%d, inter=%d, comp=%d\n", 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project imageName, 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)outImageInfo->width, (int)outImageInfo->height, 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bit_depth, color_type, 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project interlace_type, compression_type)); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_get_IHDR(read_ptr, read_info, &outImageInfo->width, 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &outImageInfo->height, &bit_depth, &color_type, 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &interlace_type, &compression_type, NULL); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic bool is_tick(png_bytep p, bool transparent, const char** outError) 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (transparent) { 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p[3] == 0) { 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p[3] != 0xff) { 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outError = "Frame pixels must be either solid or transparent (not intermediate alphas)"; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p[0] != 0 || p[1] != 0 || p[2] != 0) { 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outError = "Ticks in transparent frame must be black"; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p[3] != 0xFF) { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outError = "White frame must be a solid color (no alpha)"; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p[0] == 0xFF && p[1] == 0xFF && p[2] == 0xFF) { 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p[0] != 0 || p[1] != 0 || p[2] != 0) { 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outError = "Ticks in white frame must be black"; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum { 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TICK_START, 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TICK_INSIDE_1, 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TICK_OUTSIDE_1 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic status_t get_horizontal_ticks( 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep row, int width, bool transparent, bool required, 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int32_t* outLeft, int32_t* outRight, const char** outError, 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint8_t* outDivs, bool multipleAllowed) 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outLeft = *outRight = -1; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int state = TICK_START; 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool found = false; 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=1; i<width-1; i++) { 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (is_tick(row+i*4, transparent, outError)) { 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state == TICK_START || 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (state == TICK_OUTSIDE_1 && multipleAllowed)) { 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outLeft = i-1; 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outRight = width-2; 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project found = true; 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (outDivs != NULL) { 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outDivs += 2; 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state = TICK_INSIDE_1; 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (state == TICK_OUTSIDE_1) { 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outError = "Can't have more than one marked region along edge"; 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outLeft = i; 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (*outError == NULL) { 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state == TICK_INSIDE_1) { 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We're done with this div. Move on to the next. 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outRight = i-1; 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outRight += 2; 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outLeft += 2; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state = TICK_OUTSIDE_1; 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outLeft = i; 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (required && !found) { 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outError = "No marked region found along edge"; 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outLeft = -1; 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic status_t get_vertical_ticks( 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytepp rows, int offset, int height, bool transparent, bool required, 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int32_t* outTop, int32_t* outBottom, const char** outError, 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint8_t* outDivs, bool multipleAllowed) 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outTop = *outBottom = -1; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int state = TICK_START; 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool found = false; 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=1; i<height-1; i++) { 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (is_tick(rows[i]+offset, transparent, outError)) { 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state == TICK_START || 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (state == TICK_OUTSIDE_1 && multipleAllowed)) { 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outTop = i-1; 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outBottom = height-2; 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project found = true; 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (outDivs != NULL) { 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outDivs += 2; 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state = TICK_INSIDE_1; 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (state == TICK_OUTSIDE_1) { 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outError = "Can't have more than one marked region along edge"; 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outTop = i; 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (*outError == NULL) { 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state == TICK_INSIDE_1) { 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We're done with this div. Move on to the next. 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outBottom = i-1; 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outTop += 2; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outBottom += 2; 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state = TICK_OUTSIDE_1; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outTop = i; 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (required && !found) { 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outError = "No marked region found along edge"; 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *outTop = -1; 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic uint32_t get_color( 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytepp rows, int left, int top, int right, int bottom) 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep color = rows[top] + left*4; 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (left > right || top > bottom) { 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Res_png_9patch::TRANSPARENT_COLOR; 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (top <= bottom) { 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = left; i <= right; i++) { 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep p = rows[top]+i*4; 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color[3] == 0) { 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p[3] != 0) { 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Res_png_9patch::NO_COLOR; 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (p[0] != color[0] || p[1] != color[1] 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || p[2] != color[2] || p[3] != color[3]) { 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Res_png_9patch::NO_COLOR; 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project top++; 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color[3] == 0) { 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Res_png_9patch::TRANSPARENT_COLOR; 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (color[3]<<24) | (color[0]<<16) | (color[1]<<8) | color[2]; 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void select_patch( 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int which, int front, int back, int size, int* start, int* end) 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (which) { 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 0: 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *start = 0; 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *end = front-1; 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 1: 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *start = front; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *end = back-1; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 2: 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *start = back; 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *end = size-1; 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic uint32_t get_color(image_info* image, int hpatch, int vpatch) 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int left, right, top, bottom; 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project select_patch( 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hpatch, image->info9Patch.xDivs[0], image->info9Patch.xDivs[1], 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->width, &left, &right); 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project select_patch( 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project vpatch, image->info9Patch.yDivs[0], image->info9Patch.yDivs[1], 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->height, &top, &bottom); 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("Selecting h=%d v=%d: (%d,%d)-(%d,%d)\n", 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // hpatch, vpatch, left, top, right, bottom); 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const uint32_t c = get_color(image->rows, left, top, right, bottom); 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Color in (%d,%d)-(%d,%d): #%08x\n", left, top, right, bottom, c)); 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return c; 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic status_t do_9patch(const char* imageName, image_info* image) 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->is9Patch = true; 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int W = image->width; 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int H = image->height; 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i, j; 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3384df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project int maxSizeXDivs = W * sizeof(int32_t); 3394df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project int maxSizeYDivs = H * sizeof(int32_t); 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int32_t* xDivs = (int32_t*) malloc(maxSizeXDivs); 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int32_t* yDivs = (int32_t*) malloc(maxSizeYDivs); 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint8_t numXDivs = 0; 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint8_t numYDivs = 0; 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int8_t numColors; 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numRows; 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numCols; 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int top; 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int left; 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int right; 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bottom; 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memset(xDivs, -1, maxSizeXDivs); 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memset(yDivs, -1, maxSizeYDivs); 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingLeft = image->info9Patch.paddingRight = 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingTop = image->info9Patch.paddingBottom = -1; 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep p = image->rows[0]; 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool transparent = p[3] == 0; 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool hasColor = false; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* errorMsg = NULL; 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int errorPixel = -1; 3629e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root const char* errorEdge = NULL; 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int colorIndex = 0; 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Validate size... 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (W < 3 || H < 3) { 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorMsg = "Image must be at least 3x3 (1x1 without frame) pixels"; 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto getout; 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Validate frame... 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!transparent && 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (p[0] != 0xFF || p[1] != 0xFF || p[2] != 0xFF || p[3] != 0xFF)) { 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorMsg = "Must have one-pixel frame that is either transparent or white"; 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto getout; 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Find left and right of sizing areas... 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (get_horizontal_ticks(p, W, transparent, true, &xDivs[0], 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &xDivs[1], &errorMsg, &numXDivs, true) != NO_ERROR) { 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorPixel = xDivs[0]; 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorEdge = "top"; 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto getout; 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Find top and bottom of sizing areas... 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (get_vertical_ticks(image->rows, 0, H, transparent, true, &yDivs[0], 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &yDivs[1], &errorMsg, &numYDivs, true) != NO_ERROR) { 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorPixel = yDivs[0]; 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorEdge = "left"; 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto getout; 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Find left and right of padding area... 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (get_horizontal_ticks(image->rows[H-1], W, transparent, false, &image->info9Patch.paddingLeft, 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &image->info9Patch.paddingRight, &errorMsg, NULL, false) != NO_ERROR) { 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorPixel = image->info9Patch.paddingLeft; 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorEdge = "bottom"; 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto getout; 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Find top and bottom of padding area... 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (get_vertical_ticks(image->rows, (W-1)*4, H, transparent, false, &image->info9Patch.paddingTop, 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &image->info9Patch.paddingBottom, &errorMsg, NULL, false) != NO_ERROR) { 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorPixel = image->info9Patch.paddingTop; 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errorEdge = "right"; 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto getout; 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Copy patch data into image 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.numXDivs = numXDivs; 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.numYDivs = numYDivs; 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.xDivs = xDivs; 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.yDivs = yDivs; 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If padding is not yet specified, take values from size. 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (image->info9Patch.paddingLeft < 0) { 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingLeft = xDivs[0]; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingRight = W - 2 - xDivs[1]; 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Adjust value to be correct! 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingRight = W - 2 - image->info9Patch.paddingRight; 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (image->info9Patch.paddingTop < 0) { 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingTop = yDivs[0]; 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingBottom = H - 2 - yDivs[1]; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Adjust value to be correct! 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingBottom = H - 2 - image->info9Patch.paddingBottom; 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Size ticks for %s: x0=%d, x1=%d, y0=%d, y1=%d\n", imageName, 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.xDivs[0], image->info9Patch.xDivs[1], 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.yDivs[0], image->info9Patch.yDivs[1])); 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("padding ticks for %s: l=%d, r=%d, t=%d, b=%d\n", imageName, 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingLeft, image->info9Patch.paddingRight, 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.paddingTop, image->info9Patch.paddingBottom)); 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remove frame from image. 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->rows = (png_bytepp)malloc((H-2) * png_sizeof(png_bytep)); 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<(H-2); i++) { 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->rows[i] = image->allocRows[i+1]; 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memmove(image->rows[i], image->rows[i]+4, (W-2)*4); 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->width -= 2; 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project W = image->width; 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->height -= 2; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project H = image->height; 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Figure out the number of rows and columns in the N-patch 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numCols = numXDivs + 1; 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (xDivs[0] == 0) { // Column 1 is strechable 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numCols--; 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (xDivs[numXDivs - 1] == W) { 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numCols--; 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numRows = numYDivs + 1; 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (yDivs[0] == 0) { // Row 1 is strechable 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numRows--; 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (yDivs[numYDivs - 1] == H) { 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numRows--; 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4669e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root 4679e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root // Make sure the amount of rows and columns will fit in the number of 4689e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root // colors we can use in the 9-patch format. 4699e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root if (numRows * numCols > 0x7F) { 4709e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root errorMsg = "Too many rows and columns in 9-patch perimeter"; 4719e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root goto getout; 4729e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root } 4739e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numColors = numRows * numCols; 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.numColors = numColors; 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.colors = (uint32_t*)malloc(numColors * sizeof(uint32_t)); 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Fill in color information for each patch. 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t c; 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project top = 0; 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The first row always starts with the top being at y=0 and the bottom 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // being either yDivs[1] (if yDivs[0]=0) of yDivs[0]. In the former case 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the first row is stretchable along the Y axis, otherwise it is fixed. 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The last row always ends with the bottom being bitmap.height and the top 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // being either yDivs[numYDivs-2] (if yDivs[numYDivs-1]=bitmap.height) or 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // yDivs[numYDivs-1]. In the former case the last row is stretchable along 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the Y axis, otherwise it is fixed. 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The first and last columns are similarly treated with respect to the X 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // axis. 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The above is to help explain some of the special casing that goes on the 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // code below. 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The initial yDiv and whether the first row is considered stretchable or 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // not depends on whether yDiv[0] was zero or not. 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = (yDivs[0] == 0 ? 1 : 0); 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project j <= numYDivs && top < H; 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project j++) { 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (j == numYDivs) { 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottom = H; 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bottom = yDivs[j]; 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project left = 0; 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The initial xDiv and whether the first column is considered 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stretchable or not depends on whether xDiv[0] was zero or not. 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = xDivs[0] == 0 ? 1 : 0; 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i <= numXDivs && left < W; 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++) { 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == numXDivs) { 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project right = W; 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project right = xDivs[i]; 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c = get_color(image->rows, left, top, right - 1, bottom - 1); 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.colors[colorIndex++] = c; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(if (c != Res_png_9patch::NO_COLOR) hasColor = true); 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project left = right; 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project top = bottom; 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(colorIndex == numColors); 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<numColors; i++) { 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasColor) { 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == 0) printf("Colors in %s:\n ", imageName); 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" #%08x", image->info9Patch.colors[i]); 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == numColors - 1) printf("\n"); 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->is9Patch = true; 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image->info9Patch.deviceToFile(); 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectgetout: 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (errorMsg) { 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fprintf(stderr, 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "ERROR: 9-patch image %s malformed.\n" 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project " %s.\n", imageName, errorMsg); 5449e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root if (errorEdge != NULL) { 5459e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root if (errorPixel >= 0) { 5469e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root fprintf(stderr, 5479e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root " Found at pixel #%d along %s edge.\n", errorPixel, errorEdge); 5489e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root } else { 5499e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root fprintf(stderr, 5509e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root " Found along %s edge.\n", errorEdge); 5519e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root } 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void checkNinePatchSerialization(Res_png_9patch* inPatch, void * data) 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizeof(void*) != sizeof(int32_t)) { 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // can't deserialize on a non-32 bit system 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t patchSize = inPatch->serializedSize(); 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void * newData = malloc(patchSize); 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(newData, data, patchSize); 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Res_png_9patch* outPatch = inPatch->deserialize(newData); 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // deserialization is done in place, so outPatch == newData 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch == newData); 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->numXDivs == inPatch->numXDivs); 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->numYDivs == inPatch->numYDivs); 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->paddingLeft == inPatch->paddingLeft); 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->paddingRight == inPatch->paddingRight); 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->paddingTop == inPatch->paddingTop); 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->paddingBottom == inPatch->paddingBottom); 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < outPatch->numXDivs; i++) { 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->xDivs[i] == inPatch->xDivs[i]); 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < outPatch->numYDivs; i++) { 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->yDivs[i] == inPatch->yDivs[i]); 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < outPatch->numColors; i++) { 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(outPatch->colors[i] == inPatch->colors[i]); 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(newData); 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic bool patch_equals(Res_png_9patch& patch1, Res_png_9patch& patch2) { 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!(patch1.numXDivs == patch2.numXDivs && 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project patch1.numYDivs == patch2.numYDivs && 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project patch1.numColors == patch2.numColors && 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project patch1.paddingLeft == patch2.paddingLeft && 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project patch1.paddingRight == patch2.paddingRight && 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project patch1.paddingTop == patch2.paddingTop && 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project patch1.paddingBottom == patch2.paddingBottom)) { 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < patch1.numColors; i++) { 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (patch1.colors[i] != patch2.colors[i]) { 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < patch1.numXDivs; i++) { 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (patch1.xDivs[i] != patch2.xDivs[i]) { 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < patch1.numYDivs; i++) { 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (patch1.yDivs[i] != patch2.yDivs[i]) { 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void dump_image(int w, int h, png_bytepp rows, int color_type) 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i, j, rr, gg, bb, aa; 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bpp; 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color_type == PNG_COLOR_TYPE_PALETTE || color_type == PNG_COLOR_TYPE_GRAY) { 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bpp = 1; 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (color_type == PNG_COLOR_TYPE_GRAY_ALPHA) { 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bpp = 2; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (color_type == PNG_COLOR_TYPE_RGB || color_type == PNG_COLOR_TYPE_RGB_ALPHA) { 6269e652a67ca46c1841993a806e67822fc45b4dc42Kenny Root // We use a padding byte even when there is no alpha 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bpp = 4; 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("Unknown color type %d.\n", color_type); 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = 0; j < h; j++) { 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep row = rows[j]; 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < w; i++) { 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rr = row[0]; 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gg = row[1]; 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bb = row[2]; 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project aa = row[3]; 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project row += bpp; 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == 0) { 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("Row %d:", j); 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (bpp) { 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 1: 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" (%d)", rr); 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 2: 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" (%d %d", rr, gg); 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 3: 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" (%d %d %d)", rr, gg, bb); 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 4: 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" (%d %d %d %d)", rr, gg, bb, aa); 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (i == (w - 1)) { 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("\n")); 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define MAX(a,b) ((a)>(b)?(a):(b)) 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define ABS(a) ((a)<0?-(a):(a)) 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void analyze_image(const char *imageName, image_info &imageInfo, int grayscaleTolerance, 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_colorp rgbPalette, png_bytep alphaPalette, 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int *paletteEntries, bool *hasTransparency, int *colorType, 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytepp outRows) 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int w = imageInfo.width; 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int h = imageInfo.height; 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i, j, rr, gg, bb, aa, idx; 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t colors[256], col; 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int num_colors = 0; 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int maxGrayDeviation = 0; 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool isOpaque = true; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool isPalette = true; 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool isGrayscale = true; 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Scan the entire image and determine if: 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 1. Every pixel has R == G == B (grayscale) 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 2. Every pixel has A == 255 (opaque) 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 3. There are no more than 256 distinct RGBA colors 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // NOISY(printf("Initial image data:\n")); 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dump_image(w, h, imageInfo.rows, PNG_COLOR_TYPE_RGB_ALPHA); 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = 0; j < h; j++) { 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep row = imageInfo.rows[j]; 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep out = outRows[j]; 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < w; i++) { 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rr = *row++; 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gg = *row++; 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bb = *row++; 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project aa = *row++; 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int odev = maxGrayDeviation; 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxGrayDeviation = MAX(ABS(rr - gg), maxGrayDeviation); 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxGrayDeviation = MAX(ABS(gg - bb), maxGrayDeviation); 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxGrayDeviation = MAX(ABS(bb - rr), maxGrayDeviation); 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (maxGrayDeviation > odev) { 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("New max dev. = %d at pixel (%d, %d) = (%d %d %d %d)\n", 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxGrayDeviation, i, j, rr, gg, bb, aa)); 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if image is really grayscale 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isGrayscale) { 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rr != gg || rr != bb) { 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Found a non-gray pixel at %d, %d = (%d %d %d %d)\n", 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i, j, rr, gg, bb, aa)); 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project isGrayscale = false; 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if image is really opaque 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isOpaque) { 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (aa != 0xff) { 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Found a non-opaque pixel at %d, %d = (%d %d %d %d)\n", 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i, j, rr, gg, bb, aa)); 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project isOpaque = false; 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if image is really <= 256 colors 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isPalette) { 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project col = (uint32_t) ((rr << 24) | (gg << 16) | (bb << 8) | aa); 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool match = false; 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (idx = 0; idx < num_colors; idx++) { 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (colors[idx] == col) { 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project match = true; 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Write the palette index for the pixel to outRows optimistically 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We might overwrite it later if we decide to encode as gray or 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // gray + alpha 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *out++ = idx; 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!match) { 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (num_colors == 256) { 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Found 257th color at %d, %d\n", i, j)); 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project isPalette = false; 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project colors[num_colors++] = col; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *paletteEntries = 0; 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *hasTransparency = !isOpaque; 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bpp = isOpaque ? 3 : 4; 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paletteSize = w * h + bpp * num_colors; 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("isGrayscale = %s\n", isGrayscale ? "true" : "false")); 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("isOpaque = %s\n", isOpaque ? "true" : "false")); 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("isPalette = %s\n", isPalette ? "true" : "false")); 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Size w/ palette = %d, gray+alpha = %d, rgb(a) = %d\n", 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paletteSize, 2 * w * h, bpp * w * h)); 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Max gray deviation = %d, tolerance = %d\n", maxGrayDeviation, grayscaleTolerance)); 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Choose the best color type for the image. 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 1. Opaque gray - use COLOR_TYPE_GRAY at 1 byte/pixel 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 2. Gray + alpha - use COLOR_TYPE_PALETTE if the number of distinct combinations 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // is sufficiently small, otherwise use COLOR_TYPE_GRAY_ALPHA 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 3. RGB(A) - use COLOR_TYPE_PALETTE if the number of distinct colors is sufficiently 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // small, otherwise use COLOR_TYPE_RGB{_ALPHA} 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isGrayscale) { 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isOpaque) { 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *colorType = PNG_COLOR_TYPE_GRAY; // 1 byte/pixel 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use a simple heuristic to determine whether using a palette will 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // save space versus using gray + alpha for each pixel. 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This doesn't take into account chunk overhead, filtering, LZ 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // compression, etc. 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isPalette && (paletteSize < 2 * w * h)) { 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *colorType = PNG_COLOR_TYPE_PALETTE; // 1 byte/pixel + 4 bytes/color 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *colorType = PNG_COLOR_TYPE_GRAY_ALPHA; // 2 bytes per pixel 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (isPalette && (paletteSize < bpp * w * h)) { 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *colorType = PNG_COLOR_TYPE_PALETTE; 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (maxGrayDeviation <= grayscaleTolerance) { 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("%s: forcing image to gray (max deviation = %d)\n", imageName, maxGrayDeviation); 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *colorType = isOpaque ? PNG_COLOR_TYPE_GRAY : PNG_COLOR_TYPE_GRAY_ALPHA; 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *colorType = isOpaque ? PNG_COLOR_TYPE_RGB : PNG_COLOR_TYPE_RGB_ALPHA; 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Perform postprocessing of the image or palette data based on the final 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // color type chosen 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*colorType == PNG_COLOR_TYPE_PALETTE) { 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Create separate RGB and Alpha palettes and set the number of colors 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *paletteEntries = num_colors; 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Create the RGB and alpha palettes 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int idx = 0; idx < num_colors; idx++) { 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project col = colors[idx]; 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rgbPalette[idx].red = (png_byte) ((col >> 24) & 0xff); 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rgbPalette[idx].green = (png_byte) ((col >> 16) & 0xff); 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rgbPalette[idx].blue = (png_byte) ((col >> 8) & 0xff); 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project alphaPalette[idx] = (png_byte) (col & 0xff); 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (*colorType == PNG_COLOR_TYPE_GRAY || *colorType == PNG_COLOR_TYPE_GRAY_ALPHA) { 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If the image is gray or gray + alpha, compact the pixels into outRows 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (j = 0; j < h; j++) { 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep row = imageInfo.rows[j]; 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytep out = outRows[j]; 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < w; i++) { 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rr = *row++; 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gg = *row++; 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bb = *row++; 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project aa = *row++; 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isGrayscale) { 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *out++ = rr; 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *out++ = (png_byte) (rr * 0.2126f + gg * 0.7152f + bb * 0.0722f); 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isOpaque) { 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *out++ = aa; 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void write_png(const char* imageName, 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_structp write_ptr, png_infop write_info, 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image_info& imageInfo, int grayscaleTolerance) 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool optimize = true; 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_uint_32 width, height; 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int color_type; 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bit_depth, interlace_type, compression_type; 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_unknown_chunk unknowns[1]; 8496a1fadea851db236331b3dfe1f3c1e482556057fMarco Nelissen unknowns[0].data = NULL; 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytepp outRows = (png_bytepp) malloc((int) imageInfo.height * png_sizeof(png_bytep)); 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (outRows == (png_bytepp) 0) { 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("Can't allocate output buffer!\n"); 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project exit(1); 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < (int) imageInfo.height; i++) { 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outRows[i] = (png_bytep) malloc(2 * (int) imageInfo.width); 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (outRows[i] == (png_bytep) 0) { 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf("Can't allocate output buffer!\n"); 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project exit(1); 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_compression_level(write_ptr, Z_BEST_COMPRESSION); 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Writing image %s: w = %d, h = %d\n", imageName, 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int) imageInfo.width, (int) imageInfo.height)); 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_color rgbPalette[256]; 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_byte alphaPalette[256]; 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool hasTransparency; 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int paletteEntries; 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project analyze_image(imageName, imageInfo, grayscaleTolerance, rgbPalette, alphaPalette, 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &paletteEntries, &hasTransparency, &color_type, outRows); 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If the image is a 9-patch, we need to preserve it as a ARGB file to make 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // sure the pixels will not be pre-dithered/clamped until we decide they are 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (imageInfo.is9Patch && (color_type == PNG_COLOR_TYPE_RGB || 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_PALETTE)) { 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project color_type = PNG_COLOR_TYPE_RGB_ALPHA; 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (color_type) { 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case PNG_COLOR_TYPE_PALETTE: 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Image %s has %d colors%s, using PNG_COLOR_TYPE_PALETTE\n", 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project imageName, paletteEntries, 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project hasTransparency ? " (with alpha)" : "")); 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case PNG_COLOR_TYPE_GRAY: 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Image %s is opaque gray, using PNG_COLOR_TYPE_GRAY\n", imageName)); 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case PNG_COLOR_TYPE_GRAY_ALPHA: 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Image %s is gray + alpha, using PNG_COLOR_TYPE_GRAY_ALPHA\n", imageName)); 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case PNG_COLOR_TYPE_RGB: 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Image %s is opaque RGB, using PNG_COLOR_TYPE_RGB\n", imageName)); 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case PNG_COLOR_TYPE_RGB_ALPHA: 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Image %s is RGB + alpha, using PNG_COLOR_TYPE_RGB_ALPHA\n", imageName)); 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_IHDR(write_ptr, write_info, imageInfo.width, imageInfo.height, 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8, color_type, PNG_INTERLACE_NONE, 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color_type == PNG_COLOR_TYPE_PALETTE) { 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_PLTE(write_ptr, write_info, rgbPalette, paletteEntries); 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasTransparency) { 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_tRNS(write_ptr, write_info, alphaPalette, paletteEntries, (png_color_16p) 0); 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_filter(write_ptr, 0, PNG_NO_FILTERS); 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_filter(write_ptr, 0, PNG_ALL_FILTERS); 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (imageInfo.is9Patch) { 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Adding 9-patch info...\n")); 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy((char*)unknowns[0].name, "npTc"); 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unknowns[0].data = (png_byte*)imageInfo.info9Patch.serialize(); 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unknowns[0].size = imageInfo.info9Patch.serializedSize(); 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: remove the check below when everything works 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkNinePatchSerialization(&imageInfo.info9Patch, unknowns[0].data); 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_keep_unknown_chunks(write_ptr, PNG_HANDLE_CHUNK_ALWAYS, 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (png_byte*)"npTc", 1); 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_unknown_chunks(write_ptr, write_info, unknowns, 1); 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX I can't get this to work without forcibly changing 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the location to what I want... which apparently is supposed 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to be a private API, but everything else I have tried results 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // in the location being set to what I -last- wrote so I never 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // get written. :p 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_unknown_chunk_location(write_ptr, write_info, 0, PNG_HAVE_PLTE); 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_write_info(write_ptr, write_info); 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_bytepp rows; 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (color_type == PNG_COLOR_TYPE_RGB || color_type == PNG_COLOR_TYPE_RGB_ALPHA) { 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_filler(write_ptr, 0, PNG_FILLER_AFTER); 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rows = imageInfo.rows; 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rows = outRows; 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_write_image(write_ptr, rows); 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// NOISY(printf("Final image data:\n")); 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// dump_image(imageInfo.width, imageInfo.height, rows, color_type); 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_write_end(write_ptr, write_info); 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < (int) imageInfo.height; i++) { 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(outRows[i]); 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(outRows); 9566a1fadea851db236331b3dfe1f3c1e482556057fMarco Nelissen free(unknowns[0].data); 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_get_IHDR(write_ptr, write_info, &width, &height, 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &bit_depth, &color_type, &interlace_type, 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project &compression_type, NULL); 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project NOISY(printf("Image written: w=%d, h=%d, d=%d, colors=%d, inter=%d, comp=%d\n", 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)width, (int)height, bit_depth, color_type, interlace_type, 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project compression_type)); 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t preProcessImage(Bundle* bundle, const sp<AaptAssets>& assets, 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<AaptFile>& file, String8* outNewLeafName) 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 ext(file->getPath().getPathExtension()); 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We currently only process PNG images. 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strcmp(ext.string(), ".png") != 0) { 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Example of renaming a file: 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //*outNewLeafName = file->getPath().getBasePath().getFileName(); 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //outNewLeafName->append(".nupng"); 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 printableName(file->getPrintableSource()); 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_structp read_ptr = NULL; 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_infop read_info = NULL; 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FILE* fp; 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project image_info imageInfo; 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_structp write_ptr = NULL; 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_infop write_info = NULL; 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t error = UNKNOWN_ERROR; 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t nameLen = file->getPath().length(); 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fp = fopen(file->getSourceFile().string(), "rb"); 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fp == NULL) { 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fprintf(stderr, "%s: ERROR: Unable to open PNG file\n", printableName.string()); 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project read_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, 0, (png_error_ptr)NULL, 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (png_error_ptr)NULL); 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!read_ptr) { 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project read_info = png_create_info_struct(read_ptr); 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!read_info) { 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (setjmp(png_jmpbuf(read_ptr))) { 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_init_io(read_ptr, fp); 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project read_png(printableName.string(), read_ptr, read_info, &imageInfo); 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (nameLen > 6) { 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* name = file->getPath().string(); 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name[nameLen-5] == '9' && name[nameLen-6] == '.') { 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (do_9patch(printableName.string(), &imageInfo) != NO_ERROR) { 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project write_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, 0, (png_error_ptr)NULL, 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (png_error_ptr)NULL); 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!write_ptr) 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project write_info = png_create_info_struct(write_ptr); 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!write_info) 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_set_write_fn(write_ptr, (void*)file.get(), 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_write_aapt_file, png_flush_aapt_file); 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (setjmp(png_jmpbuf(write_ptr))) 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project write_png(printableName.string(), write_ptr, write_info, imageInfo, 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bundle->getGrayscaleTolerance()); 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project error = NO_ERROR; 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bundle->getVerbose()) { 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fseek(fp, 0, SEEK_END); 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t oldSize = (size_t)ftell(fp); 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t newSize = file->getSize(); 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float factor = ((float)newSize)/oldSize; 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int percent = (int)(factor*100); 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project printf(" (processed image %s: %d%% size of source)\n", printableName.string(), percent); 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbail: 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (read_ptr) { 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_destroy_read_struct(&read_ptr, &read_info, (png_infopp)NULL); 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fp) { 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fclose(fp); 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (write_ptr) { 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project png_destroy_write_struct(&write_ptr, &write_info); 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (error != NO_ERROR) { 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fprintf(stderr, "ERROR: Failure processing PNG image %s\n", 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project file->getPrintableSource().string()); 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return error; 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t postProcessImage(const sp<AaptAssets>& assets, 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ResourceTable* table, const sp<AaptFile>& file) 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 ext(file->getPath().getPathExtension()); 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // At this point, now that we have all the resource data, all we need to 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // do is compile XML files. 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strcmp(ext.string(), ".xml") == 0) { 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return compileXmlFile(assets, file, table); 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1098