12880df2609eba09b555ca37be04b6ad89290c765Tom Hudson/* 22880df2609eba09b555ca37be04b6ad89290c765Tom Hudson * Copyright 2015 Google Inc. 32880df2609eba09b555ca37be04b6ad89290c765Tom Hudson * 42880df2609eba09b555ca37be04b6ad89290c765Tom Hudson * Use of this source code is governed by a BSD-style license that can be 52880df2609eba09b555ca37be04b6ad89290c765Tom Hudson * found in the LICENSE file. 62880df2609eba09b555ca37be04b6ad89290c765Tom Hudson */ 72880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 82880df2609eba09b555ca37be04b6ad89290c765Tom Hudson#include "SkCommandLineFlags.h" 92880df2609eba09b555ca37be04b6ad89290c765Tom Hudson#include "SkImageDecoder.h" 102880df2609eba09b555ca37be04b6ad89290c765Tom Hudson#include "SkStream.h" 112880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 122880df2609eba09b555ca37be04b6ad89290c765Tom HudsonDEFINE_bool(header, false, "Print an extra row of the min-max values"); 132880df2609eba09b555ca37be04b6ad89290c765Tom HudsonDEFINE_string2(label, l, "label", "Label printed as the first value"); 142880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 152880df2609eba09b555ca37be04b6ad89290c765Tom HudsonDEFINE_string2(image, i, "", "Input image"); 162880df2609eba09b555ca37be04b6ad89290c765Tom HudsonDEFINE_int32_2(row, r, -1, "Row to extract"); 172880df2609eba09b555ca37be04b6ad89290c765Tom HudsonDEFINE_int32_2(column, c, -1, "Column to extract"); 182880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 192880df2609eba09b555ca37be04b6ad89290c765Tom HudsonDEFINE_int32_2(min, n, 0, "Minimum row/column to extract - inclusive"); 202880df2609eba09b555ca37be04b6ad89290c765Tom HudsonDEFINE_int32_2(max, m, 100, "Maximum row/column to extract - inclusive"); 212880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 222880df2609eba09b555ca37be04b6ad89290c765Tom HudsonDEFINE_int32(rgb, 0, "Color channel to print (0->b, 1->g, 2->r, 3->a)"); 232880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 242880df2609eba09b555ca37be04b6ad89290c765Tom HudsonDEFINE_bool2(quiet, q, false, "Quiet"); 252880df2609eba09b555ca37be04b6ad89290c765Tom HudsonDEFINE_bool2(reverse, v, false, "Iterate from max to min"); 262880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 272880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 282880df2609eba09b555ca37be04b6ad89290c765Tom Hudson// This tool just loads a single image and prints out a comma-separated row or column 292880df2609eba09b555ca37be04b6ad89290c765Tom Hudson// Return codes: 302880df2609eba09b555ca37be04b6ad89290c765Tom Hudsonstatic const int kSuccess = 0; 312880df2609eba09b555ca37be04b6ad89290c765Tom Hudsonstatic const int kError = 1; 322880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 332880df2609eba09b555ca37be04b6ad89290c765Tom Hudsonint tool_main(int argc, char** argv); 342880df2609eba09b555ca37be04b6ad89290c765Tom Hudsonint tool_main(int argc, char** argv) { 352880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkCommandLineFlags::SetUsage("Print out a row or column of an image."); 362880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkCommandLineFlags::Parse(argc, argv); 372880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 382880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (FLAGS_rgb > 3 || FLAGS_rgb < 0) { 392880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (!FLAGS_quiet) { 402880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkDebugf("Channel (--rgb) must be between 0 and 3 (inclusive) - value is %d.\n", 412880df2609eba09b555ca37be04b6ad89290c765Tom Hudson FLAGS_rgb); 422880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 432880df2609eba09b555ca37be04b6ad89290c765Tom Hudson return kError; 442880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 452880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 462880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (FLAGS_row >= 0 && FLAGS_column >= 0) { 472880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (!FLAGS_quiet) { 482880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkDebugf("Only one of '-c' or '-r' can be specified at at time.\n"); 492880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 502880df2609eba09b555ca37be04b6ad89290c765Tom Hudson return kError; 512880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 522880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 532880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (FLAGS_row < 0 && FLAGS_column < 0) { 542880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (!FLAGS_quiet) { 552880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkDebugf("At least one of '-c' or '-r' need to be specified.\n"); 562880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 572880df2609eba09b555ca37be04b6ad89290c765Tom Hudson return kError; 582880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 592880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 602880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkFILEStream inputStream(FLAGS_image[0]); 612880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (!inputStream.isValid()) { 622880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (!FLAGS_quiet) { 632880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkDebugf("Couldn't open file: %s\n", FLAGS_image[0]); 642880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 652880df2609eba09b555ca37be04b6ad89290c765Tom Hudson return kError; 662880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 672880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 682880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkAutoTDelete<SkImageDecoder> codec(SkImageDecoder::Factory(&inputStream)); 692880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (!codec) { 702880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (!FLAGS_quiet) { 712880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkDebugf("Couldn't create codec for: %s.\n", FLAGS_image[0]); 722880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 732880df2609eba09b555ca37be04b6ad89290c765Tom Hudson return kError; 742880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 752880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 762880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkBitmap bitmap; 772880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 782880df2609eba09b555ca37be04b6ad89290c765Tom Hudson inputStream.rewind(); 792880df2609eba09b555ca37be04b6ad89290c765Tom Hudson codec->decode(&inputStream, &bitmap, kN32_SkColorType, SkImageDecoder::kDecodePixels_Mode); 802880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 812880df2609eba09b555ca37be04b6ad89290c765Tom Hudson int top, bottom, left, right; 822880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 832880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (-1 != FLAGS_row) { 842880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkASSERT(-1 == FLAGS_column); 852880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 862880df2609eba09b555ca37be04b6ad89290c765Tom Hudson top = bottom = SkTPin(FLAGS_row, 0, bitmap.height()-1); 872880df2609eba09b555ca37be04b6ad89290c765Tom Hudson FLAGS_min = left = SkTPin(FLAGS_min, 0, bitmap.width()-1); 882880df2609eba09b555ca37be04b6ad89290c765Tom Hudson FLAGS_max = right = SkTPin(FLAGS_max, left, bitmap.width()-1); 892880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } else { 902880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkASSERT(-1 != FLAGS_column); 912880df2609eba09b555ca37be04b6ad89290c765Tom Hudson left = right = SkTPin(FLAGS_column, 0, bitmap.width()-1); 922880df2609eba09b555ca37be04b6ad89290c765Tom Hudson FLAGS_min = top = SkTPin(FLAGS_min, 0, bitmap.height()-1); 932880df2609eba09b555ca37be04b6ad89290c765Tom Hudson FLAGS_max = bottom = SkTPin(FLAGS_max, top, bitmap.height()-1); 942880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 952880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 962880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (FLAGS_header) { 972880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkDebugf("header"); 982880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (FLAGS_reverse) { 992880df2609eba09b555ca37be04b6ad89290c765Tom Hudson for (int i = FLAGS_max; i >= FLAGS_min; --i) { 1002880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkDebugf(", %d", i); 1012880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 1022880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } else { 1032880df2609eba09b555ca37be04b6ad89290c765Tom Hudson for (int i = FLAGS_min; i <= FLAGS_max; ++i) { 1042880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkDebugf(", %d", i); 1052880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 1062880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 1072880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkDebugf("\n"); 1082880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 1092880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1102880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkDebugf("%s", FLAGS_label[0]); 1112880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (FLAGS_reverse) { 1122880df2609eba09b555ca37be04b6ad89290c765Tom Hudson for (int y = bottom; y >= top; --y) { 1132880df2609eba09b555ca37be04b6ad89290c765Tom Hudson for (int x = right; x >= left; --x) { 1142880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkColor c = bitmap.getColor(x, y); 1152880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1162880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkDebugf(", %d", ((c) >> (FLAGS_rgb*8)) & 0xFF); 1172880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 1182880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 1192880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } else { 1202880df2609eba09b555ca37be04b6ad89290c765Tom Hudson for (int y = top; y <= bottom; ++y) { 1212880df2609eba09b555ca37be04b6ad89290c765Tom Hudson for (int x = left; x <= right; ++x) { 1222880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkColor c = bitmap.getColor(x, y); 1232880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1242880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkDebugf(", %d", ((c) >> (FLAGS_rgb*8)) & 0xFF); 1252880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 1262880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 1272880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 1282880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1292880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkDebugf("\n"); 1302880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1312880df2609eba09b555ca37be04b6ad89290c765Tom Hudson return kSuccess; 1322880df2609eba09b555ca37be04b6ad89290c765Tom Hudson} 1332880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1342880df2609eba09b555ca37be04b6ad89290c765Tom Hudson#if !defined SK_BUILD_FOR_IOS 1352880df2609eba09b555ca37be04b6ad89290c765Tom Hudsonint main(int argc, char * const argv[]) { 1362880df2609eba09b555ca37be04b6ad89290c765Tom Hudson return tool_main(argc, (char**) argv); 1372880df2609eba09b555ca37be04b6ad89290c765Tom Hudson} 1382880df2609eba09b555ca37be04b6ad89290c765Tom Hudson#endif 139