12bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com/* 22bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com * Copyright 2013 Google Inc. 32bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com * 42bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com * Use of this source code is governed by a BSD-style license that can be 52bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com * found in the LICENSE file. 62bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com */ 72bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 8bcbc1788b478b1e54079318ad073e8490aa66faetfarina#include "Resources.h" 92bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com#include "SkBitmap.h" 10826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com#include "SkCanvas.h" 11826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com#include "SkColor.h" 122bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com#include "SkColorPriv.h" 13826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com#include "SkData.h" 14dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com#include "SkDecodingImageGenerator.h" 153d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com#include "SkDiscardableMemoryPool.h" 162bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com#include "SkForceLinking.h" 17826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com#include "SkGradientShader.h" 182bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com#include "SkImageDecoder.h" 19826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com#include "SkImageEncoder.h" 202d970b5128f7270cd01a93e4ce68d0c3ea67ac71commit-bot@chromium.org#include "SkImageGeneratorPriv.h" 213d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com#include "SkImagePriv.h" 222bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com#include "SkOSFile.h" 23826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com#include "SkPoint.h" 24826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com#include "SkShader.h" 252bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com#include "SkStream.h" 262bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com#include "SkString.h" 278f6884aab8aecd7657cf3f9cdbc682f0deca29c5tfarina@chromium.org#include "Test.h" 282bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 292bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com__SK_FORCE_IMAGE_DECODER_LINKING; 302bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 312bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com/** 322bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com * Interprets c as an unpremultiplied color, and returns the 332bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com * premultiplied equivalent. 342bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com */ 352bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.comstatic SkPMColor premultiply_unpmcolor(SkPMColor c) { 362bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com U8CPU a = SkGetPackedA32(c); 372bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com U8CPU r = SkGetPackedR32(c); 382bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com U8CPU g = SkGetPackedG32(c); 392bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com U8CPU b = SkGetPackedB32(c); 402bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com return SkPreMultiplyARGB(a, r, g, b); 412bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com} 422bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 432bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com/** 442bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com * Return true if this stream format should be skipped, due 452bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com * to do being an opaque format or not a valid format. 462bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com */ 472bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.comstatic bool skip_image_format(SkImageDecoder::Format format) { 482bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com switch (format) { 492bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com case SkImageDecoder::kPNG_Format: 502bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com case SkImageDecoder::kWEBP_Format: 512bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com return false; 522bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com // Skip unknown since it will not be decoded anyway. 532bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com case SkImageDecoder::kUnknown_Format: 542bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com // Technically ICO and BMP supports alpha channels, but our image 552bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com // decoders do not, so skip them as well. 562bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com case SkImageDecoder::kICO_Format: 572bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com case SkImageDecoder::kBMP_Format: 5899ffe24200d8940ceba20f6fbf8c460f994d3cd1krajcevski // KTX is a Texture format so it's not particularly clear how to 5999ffe24200d8940ceba20f6fbf8c460f994d3cd1krajcevski // decode the alpha from it. 6099ffe24200d8940ceba20f6fbf8c460f994d3cd1krajcevski case SkImageDecoder::kKTX_Format: 612bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com // The rest of these are opaque. 628cf81e0f4fa2a8054ac4cea1e7490028809cb893robertphillips@google.com case SkImageDecoder::kPKM_Format: 632bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com case SkImageDecoder::kWBMP_Format: 642bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com case SkImageDecoder::kGIF_Format: 652bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com case SkImageDecoder::kJPEG_Format: 662bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com return true; 672bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com } 682bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com SkASSERT(false); 692bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com return true; 702bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com} 712bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 722bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com/** 732bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com * Test decoding an image in premultiplied mode and unpremultiplied mode and compare 742bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com * them. 752bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com */ 762bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.comstatic void compare_unpremul(skiatest::Reporter* reporter, const SkString& filename) { 772bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com // Decode a resource: 782bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com SkBitmap bm8888; 792bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com SkBitmap bm8888Unpremul; 802bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 812bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com SkFILEStream stream(filename.c_str()); 822bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 832bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com SkImageDecoder::Format format = SkImageDecoder::GetStreamFormat(&stream); 842bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com if (skip_image_format(format)) { 852bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com return; 862bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com } 872bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 882bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(&stream)); 892bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com if (NULL == decoder.get()) { 902bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com SkDebugf("couldn't decode %s\n", filename.c_str()); 912bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com return; 922bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com } 932bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 94bfefc7c95fc0e8ebd5000c68f6d16e1a3ea0e71ereed bool success = decoder->decode(&stream, &bm8888, kN32_SkColorType, 952bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com SkImageDecoder::kDecodePixels_Mode); 962bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com if (!success) { 972bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com return; 982bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com } 992bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 1002bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com success = stream.rewind(); 1012bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com REPORTER_ASSERT(reporter, success); 1022bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com if (!success) { 1032bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com return; 1042bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com } 1052bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 1062bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com decoder->setRequireUnpremultipliedColors(true); 107bfefc7c95fc0e8ebd5000c68f6d16e1a3ea0e71ereed success = decoder->decode(&stream, &bm8888Unpremul, kN32_SkColorType, 1082bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com SkImageDecoder::kDecodePixels_Mode); 1092bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com if (!success) { 1102bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com return; 1112bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com } 1122bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 1132bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com bool dimensionsMatch = bm8888.width() == bm8888Unpremul.width() 1142bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com && bm8888.height() == bm8888Unpremul.height(); 1152bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com REPORTER_ASSERT(reporter, dimensionsMatch); 1162bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com if (!dimensionsMatch) { 1172bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com return; 1182bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com } 1192bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 1202bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com // Only do the comparison if the two bitmaps are both 8888. 121bfefc7c95fc0e8ebd5000c68f6d16e1a3ea0e71ereed if (bm8888.colorType() != kN32_SkColorType || bm8888Unpremul.colorType() != kN32_SkColorType) { 1222bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com return; 1232bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com } 1242bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 1252bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com // Now compare the two bitmaps. 1262bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com for (int i = 0; i < bm8888.width(); ++i) { 1272bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com for (int j = 0; j < bm8888.height(); ++j) { 1282bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com // "c0" is the color of the premultiplied bitmap at (i, j). 1292bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com const SkPMColor c0 = *bm8888.getAddr32(i, j); 1302bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com // "c1" is the result of premultiplying the color of the unpremultiplied 1312bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com // bitmap at (i, j). 1322bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com const SkPMColor c1 = premultiply_unpmcolor(*bm8888Unpremul.getAddr32(i, j)); 1332bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com // Compute the difference for each component. 1342bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com int da = SkAbs32(SkGetPackedA32(c0) - SkGetPackedA32(c1)); 1352bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com int dr = SkAbs32(SkGetPackedR32(c0) - SkGetPackedR32(c1)); 1362bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com int dg = SkAbs32(SkGetPackedG32(c0) - SkGetPackedG32(c1)); 1372bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com int db = SkAbs32(SkGetPackedB32(c0) - SkGetPackedB32(c1)); 1382bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 1392bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com // Alpha component must be exactly the same. 1402bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com REPORTER_ASSERT(reporter, 0 == da); 141daaea2d51f145fd43221a2b923721b218c8ff777scroggo@google.com 142daaea2d51f145fd43221a2b923721b218c8ff777scroggo@google.com // Color components may not match exactly due to rounding error. 143daaea2d51f145fd43221a2b923721b218c8ff777scroggo@google.com REPORTER_ASSERT(reporter, dr <= 1); 144daaea2d51f145fd43221a2b923721b218c8ff777scroggo@google.com REPORTER_ASSERT(reporter, dg <= 1); 145daaea2d51f145fd43221a2b923721b218c8ff777scroggo@google.com REPORTER_ASSERT(reporter, db <= 1); 1462bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com } 1472bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com } 1482bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com} 1492bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 150f698c8262df397a7015662e91b1a727e1134c418scroggo@google.comstatic void test_unpremul(skiatest::Reporter* reporter) { 1512bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com // This test cannot run if there is no resource path. 152bcbc1788b478b1e54079318ad073e8490aa66faetfarina SkString resourcePath = GetResourcePath(); 1532bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com if (resourcePath.isEmpty()) { 1543c996f8a15e5d8fada9550d978e9b5344b81d276bungeman@google.com SkDebugf("Could not run unpremul test because resourcePath not specified."); 1552bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com return; 1562bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com } 1572bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com SkOSFile::Iter iter(resourcePath.c_str()); 1582bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com SkString basename; 1592bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com if (iter.next(&basename)) { 1602bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com do { 1612bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com SkString filename = SkOSPath::SkPathJoin(resourcePath.c_str(), basename.c_str()); 1623d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com // SkDebugf("about to decode \"%s\"\n", filename.c_str()); 1632bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com compare_unpremul(reporter, filename); 1642bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com } while (iter.next(&basename)); 1652bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com } else { 1662bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com SkDebugf("Failed to find any files :(\n"); 1672bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com } 1682bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com} 1692bbc2c945bb0ecf18fd6473af74ad1a2f5e727a7scroggo@google.com 170915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org#if defined(SK_BUILD_FOR_ANDROID) || defined(SK_BUILD_FOR_UNIX) 171915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org// Test that the alpha type is what we expect. 172915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.orgstatic void test_alphaType(skiatest::Reporter* reporter, const SkString& filename, 173915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org bool requireUnpremul) { 174915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkBitmap bm; 175915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkFILEStream stream(filename.c_str()); 176915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 177915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(&stream)); 178915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org if (NULL == decoder.get()) { 179915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org return; 180915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 181915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 182915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org decoder->setRequireUnpremultipliedColors(requireUnpremul); 183915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 184915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // Decode just the bounds. This should always succeed. 185bfefc7c95fc0e8ebd5000c68f6d16e1a3ea0e71ereed bool success = decoder->decode(&stream, &bm, kN32_SkColorType, 186915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkImageDecoder::kDecodeBounds_Mode); 187915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org REPORTER_ASSERT(reporter, success); 188915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org if (!success) { 189915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org return; 190915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 191915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 192915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // Keep track of the alpha type for testing later. If the full decode 193915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // succeeds, the alpha type should be the same, unless the full decode 194915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // determined that the alpha type should actually be opaque, which may 195915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // not be known when only decoding the bounds. 196915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org const SkAlphaType boundsAlphaType = bm.alphaType(); 197915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 198915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // rewind should always succeed on SkFILEStream. 199915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org success = stream.rewind(); 200915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org REPORTER_ASSERT(reporter, success); 201915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org if (!success) { 202915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org return; 203915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 204915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 205bfefc7c95fc0e8ebd5000c68f6d16e1a3ea0e71ereed success = decoder->decode(&stream, &bm, kN32_SkColorType, SkImageDecoder::kDecodePixels_Mode); 206915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 207915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org if (!success) { 208915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // When the decoder is set to require unpremul, if it does not support 209915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // unpremul it will fail. This is the only reason the decode should 210915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // fail (since we know the files we are using to test can be decoded). 211915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org REPORTER_ASSERT(reporter, requireUnpremul); 212915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org return; 213915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 214915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 215915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // The bounds decode should return with either the requested 216915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // premul/unpremul or opaque, if that value could be determined when only 217915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // decoding the bounds. 218915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org if (requireUnpremul) { 219915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org REPORTER_ASSERT(reporter, kUnpremul_SkAlphaType == boundsAlphaType 220915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org || kOpaque_SkAlphaType == boundsAlphaType); 221915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } else { 222915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org REPORTER_ASSERT(reporter, kPremul_SkAlphaType == boundsAlphaType 223915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org || kOpaque_SkAlphaType == boundsAlphaType); 224915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 225915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 226915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // When decoding the full image, the alpha type should match the one 227915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // returned by the bounds decode, unless the full decode determined that 228915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // the alpha type is actually opaque. 229915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org REPORTER_ASSERT(reporter, bm.alphaType() == boundsAlphaType 230915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org || bm.alphaType() == kOpaque_SkAlphaType); 231915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org} 232915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 233915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.orgDEF_TEST(ImageDecoding_alphaType, reporter) { 234bcbc1788b478b1e54079318ad073e8490aa66faetfarina SkString resourcePath = GetResourcePath(); 235915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org if (resourcePath.isEmpty()) { 236915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkDebugf("Could not run alphaType test because resourcePath not specified."); 237915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org return; 238915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 239915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 240915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkOSFile::Iter iter(resourcePath.c_str()); 241915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkString basename; 242915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org if (iter.next(&basename)) { 243915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org do { 244915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkString filename = SkOSPath::SkPathJoin(resourcePath.c_str(), basename.c_str()); 245915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org for (int truth = 0; truth <= 1; ++truth) { 246915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org test_alphaType(reporter, filename, SkToBool(truth)); 247915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 248915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } while (iter.next(&basename)); 249915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } else { 250915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkDebugf("Failed to find any files :(\n"); 251915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 252915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 253915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org} 254915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 255915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org// Using known images, test that decoding into unpremul and premul behave as expected. 256915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.orgDEF_TEST(ImageDecoding_unpremul, reporter) { 257bcbc1788b478b1e54079318ad073e8490aa66faetfarina SkString resourcePath = GetResourcePath(); 258915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org if (resourcePath.isEmpty()) { 259915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkDebugf("Could not run unpremul test because resourcePath not specified."); 260915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org return; 261915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 262915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org const char* root = "half-transparent-white-pixel"; 263915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org const char* suffixes[] = { ".png", ".webp" }; 264915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 265915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org for (size_t i = 0; i < SK_ARRAY_COUNT(suffixes); ++i) { 266915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkString basename = SkStringPrintf("%s%s", root, suffixes[i]); 267915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkString fullName = SkOSPath::SkPathJoin(resourcePath.c_str(), basename.c_str()); 268915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 269915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkBitmap bm; 270915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkFILEStream stream(fullName.c_str()); 271915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 272915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org if (!stream.isValid()) { 273915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkDebugf("file %s missing from resource directoy %s\n", 274915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org basename.c_str(), resourcePath.c_str()); 275915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org continue; 276915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 277915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 278915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // This should never fail since we know the images we're decoding. 279915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(&stream)); 280915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org REPORTER_ASSERT(reporter, NULL != decoder.get()); 281915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org if (NULL == decoder.get()) { 282915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org continue; 283915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 284915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 285915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // Test unpremultiplied. We know what color this should result in. 286915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org decoder->setRequireUnpremultipliedColors(true); 287bfefc7c95fc0e8ebd5000c68f6d16e1a3ea0e71ereed bool success = decoder->decode(&stream, &bm, kN32_SkColorType, 288915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkImageDecoder::kDecodePixels_Mode); 289915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org REPORTER_ASSERT(reporter, success); 290915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org if (!success) { 291915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org continue; 292915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 293915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 294915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org REPORTER_ASSERT(reporter, bm.width() == 1 && bm.height() == 1); 295915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org { 296915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkAutoLockPixels alp(bm); 297915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org REPORTER_ASSERT(reporter, bm.getAddr32(0, 0)[0] == 0x7fffffff); 298915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 299915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 300915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org success = stream.rewind(); 301915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org REPORTER_ASSERT(reporter, success); 302915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org if (!success) { 303915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org continue; 304915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 305915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 306915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // Test premultiplied. Once again, we know which color this should 307915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org // result in. 308915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org decoder->setRequireUnpremultipliedColors(false); 309bfefc7c95fc0e8ebd5000c68f6d16e1a3ea0e71ereed success = decoder->decode(&stream, &bm, kN32_SkColorType, 310915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkImageDecoder::kDecodePixels_Mode); 311915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org REPORTER_ASSERT(reporter, success); 312915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org if (!success) { 313915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org continue; 314915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 315915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 316915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org REPORTER_ASSERT(reporter, bm.width() == 1 && bm.height() == 1); 317915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org { 318915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org SkAutoLockPixels alp(bm); 319915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org REPORTER_ASSERT(reporter, bm.getAddr32(0, 0)[0] == 0x7f7f7f7f); 320915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 321915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org } 322915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org} 323915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org#endif // SK_BUILD_FOR_UNIX/ANDROID skbug.com/2388 324915b972a818d0279eb926af38ba6952daa17a63ecommit-bot@chromium.org 325826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com#ifdef SK_DEBUG 326826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com// Create a stream containing a bitmap encoded to Type type. 327b5571b3324cf18629a255ec85e189447069c9b14scroggo@google.comstatic SkMemoryStream* create_image_stream(SkImageEncoder::Type type) { 328826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SkBitmap bm; 329826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com const int size = 50; 330deee496cd30070e52556dcb538c2e5eb39b66b81mike@reedtribe.org bm.allocN32Pixels(size, size); 331826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SkCanvas canvas(bm); 332826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SkPoint points[2] = { 333826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com { SkIntToScalar(0), SkIntToScalar(0) }, 334826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com { SkIntToScalar(size), SkIntToScalar(size) } 335826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com }; 336826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SkColor colors[2] = { SK_ColorWHITE, SK_ColorBLUE }; 337826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SkShader* shader = SkGradientShader::CreateLinear(points, colors, NULL, 338826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SK_ARRAY_COUNT(colors), 339826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SkShader::kClamp_TileMode); 340826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SkPaint paint; 341826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com paint.setShader(shader)->unref(); 342826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com canvas.drawPaint(paint); 343826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com // Now encode it to a stream. 344826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SkAutoTUnref<SkData> data(SkImageEncoder::EncodeData(bm, type, 100)); 345826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com if (NULL == data.get()) { 346826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com return NULL; 347826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com } 348826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com return SkNEW_ARGS(SkMemoryStream, (data.get())); 349826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com} 350826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com 351826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com// For every format that supports tile based decoding, ensure that 352826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com// calling decodeSubset will not fail if the caller has unreffed the 353826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com// stream provided in buildTileIndex. 354826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com// Only runs in debug mode since we are testing for a crash. 355826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.comstatic void test_stream_life() { 356826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com const SkImageEncoder::Type gTypes[] = { 357826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com#ifdef SK_BUILD_FOR_ANDROID 358d79277f67824392876b82cf5635cc11f819e64dfscroggo@google.com SkImageEncoder::kJPEG_Type, 359826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SkImageEncoder::kPNG_Type, 360826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com#endif 361826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SkImageEncoder::kWEBP_Type, 362826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com }; 363826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com for (size_t i = 0; i < SK_ARRAY_COUNT(gTypes); ++i) { 3643d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com // SkDebugf("encoding to %i\n", i); 365b5571b3324cf18629a255ec85e189447069c9b14scroggo@google.com SkAutoTUnref<SkMemoryStream> stream(create_image_stream(gTypes[i])); 366826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com if (NULL == stream.get()) { 367826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SkDebugf("no stream\n"); 368826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com continue; 369826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com } 370826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(stream)); 371826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com if (NULL == decoder.get()) { 372826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SkDebugf("no decoder\n"); 373826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com continue; 374826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com } 375826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com int width, height; 376826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com if (!decoder->buildTileIndex(stream.get(), &width, &height)) { 377826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SkDebugf("could not build a tile index\n"); 378826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com continue; 379826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com } 380826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com // Now unref the stream to make sure it survives 381826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com stream.reset(NULL); 382826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com SkBitmap bm; 383bfefc7c95fc0e8ebd5000c68f6d16e1a3ea0e71ereed decoder->decodeSubset(&bm, SkIRect::MakeWH(width, height), kN32_SkColorType); 384826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com } 385826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com} 3868d2392487cd97e68c0a71da9fd5d2b42ecac5ec8scroggo@google.com 3878d2392487cd97e68c0a71da9fd5d2b42ecac5ec8scroggo@google.com// Test inside SkScaledBitmapSampler.cpp 3888d2392487cd97e68c0a71da9fd5d2b42ecac5ec8scroggo@google.comextern void test_row_proc_choice(); 3898d2392487cd97e68c0a71da9fd5d2b42ecac5ec8scroggo@google.com 3903d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com#endif // SK_DEBUG 391826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com 392e4fafb146e85cdfcf9d5418597b6818aa0754adatfarina@chromium.orgDEF_TEST(ImageDecoding, reporter) { 393f698c8262df397a7015662e91b1a727e1134c418scroggo@google.com test_unpremul(reporter); 394826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com#ifdef SK_DEBUG 395826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com test_stream_life(); 3968d2392487cd97e68c0a71da9fd5d2b42ecac5ec8scroggo@google.com test_row_proc_choice(); 397826d63af970dca7c47f4cded1cfcb918bc5785a9scroggo@google.com#endif 398f698c8262df397a7015662e91b1a727e1134c418scroggo@google.com} 399dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 4003d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com// expected output for 8x8 bitmap 40158674817a7a5003556a1d0b5b8fa522782a729fatfarina@chromium.orgstatic const int kExpectedWidth = 8; 40258674817a7a5003556a1d0b5b8fa522782a729fatfarina@chromium.orgstatic const int kExpectedHeight = 8; 40358674817a7a5003556a1d0b5b8fa522782a729fatfarina@chromium.orgstatic const SkColor kExpectedPixels[] = { 4043d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xffbba570, 0xff395f5d, 0xffe25c39, 0xff197666, 4053d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xff3cba27, 0xffdefcb0, 0xffc13874, 0xfffa0093, 4063d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xffbda60e, 0xffc01db6, 0xff2bd688, 0xff9362d4, 4073d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xffc641b2, 0xffa5cede, 0xff606eba, 0xff8f4bf3, 4083d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xff3bf742, 0xff8f02a8, 0xff5509df, 0xffc7027e, 4093d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xff24aa8a, 0xff886c96, 0xff625481, 0xff403689, 4103d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xffc52152, 0xff78ccd6, 0xffdcb4ab, 0xff09d27d, 4113d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xffca00f3, 0xff605d47, 0xff446fb2, 0xff576e46, 4123d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xff273df9, 0xffb41a83, 0xfff812c3, 0xffccab67, 4133d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xff034218, 0xff7db9a7, 0xff821048, 0xfffe4ab4, 4143d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xff6fac98, 0xff941d27, 0xff5fe411, 0xfffbb283, 4153d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xffd86e99, 0xff169162, 0xff71128c, 0xff39cab4, 4163d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xffa7fe63, 0xff4c956b, 0xffbc22e0, 0xffb272e4, 4173d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xff129f4a, 0xffe34513, 0xff3d3742, 0xffbd190a, 4183d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xffb07222, 0xff2e23f8, 0xfff089d9, 0xffb35738, 4193d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 0xffa86022, 0xff3340fe, 0xff95fe71, 0xff6a71df 4203d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com}; 4213d50ea1b87132833d7eab38964f40315ba553205halcanary@google.comSK_COMPILE_ASSERT((kExpectedWidth * kExpectedHeight) 4223d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com == SK_ARRAY_COUNT(kExpectedPixels), array_size_mismatch); 423dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 424dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.comDEF_TEST(WebP, reporter) { 425dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com const unsigned char encodedWebP[] = { 426dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x52, 0x49, 0x46, 0x46, 0x2c, 0x01, 0x00, 0x00, 0x57, 0x45, 0x42, 0x50, 427dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x56, 0x50, 0x38, 0x4c, 0x20, 0x01, 0x00, 0x00, 0x2f, 0x07, 0xc0, 0x01, 428dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x00, 0xff, 0x01, 0x45, 0x03, 0x00, 0xe2, 0xd5, 0xae, 0x60, 0x2b, 0xad, 429dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0xd9, 0x68, 0x76, 0xb6, 0x8d, 0x6a, 0x1d, 0xc0, 0xe6, 0x19, 0xd6, 0x16, 430dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0xb7, 0xb4, 0xef, 0xcf, 0xc3, 0x15, 0x6c, 0xb3, 0xbd, 0x77, 0x0d, 0x85, 431dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x6d, 0x1b, 0xa9, 0xb1, 0x2b, 0xdc, 0x3d, 0x83, 0xdb, 0x00, 0x00, 0xc8, 432dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x26, 0xe5, 0x01, 0x99, 0x8a, 0xd5, 0xdd, 0xfc, 0x82, 0xcd, 0xcd, 0x9a, 433dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x8c, 0x13, 0xcc, 0x1b, 0xba, 0xf5, 0x05, 0xdb, 0xee, 0x6a, 0xdb, 0x38, 434dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x60, 0xfe, 0x43, 0x2c, 0xd4, 0x6a, 0x99, 0x4d, 0xc6, 0xc0, 0xd3, 0x28, 435dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x1b, 0xc1, 0xb1, 0x17, 0x4e, 0x43, 0x0e, 0x3d, 0x27, 0xe9, 0xe4, 0x84, 436dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x4f, 0x24, 0x62, 0x69, 0x85, 0x43, 0x8d, 0xc2, 0x04, 0x00, 0x07, 0x59, 437dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x60, 0xfd, 0x8b, 0x4d, 0x60, 0x32, 0x72, 0xcf, 0x88, 0x0c, 0x2f, 0x2f, 438dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0xad, 0x62, 0xbd, 0x27, 0x09, 0x16, 0x70, 0x78, 0x6c, 0xd9, 0x82, 0xef, 439dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x1a, 0xa2, 0xcc, 0xf0, 0xf1, 0x6f, 0xd8, 0x78, 0x2e, 0x39, 0xa1, 0xcf, 440dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x14, 0x4b, 0x89, 0xb4, 0x1b, 0x48, 0x15, 0x7c, 0x48, 0x6f, 0x8c, 0x20, 441dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0xb7, 0x00, 0xcf, 0xfc, 0xdb, 0xd0, 0xe9, 0xe7, 0x42, 0x09, 0xa4, 0x03, 442dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x40, 0xac, 0xda, 0x40, 0x01, 0x00, 0x5f, 0xa1, 0x3d, 0x64, 0xe1, 0xf4, 443dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x03, 0x45, 0x29, 0xe0, 0xe2, 0x4a, 0xc3, 0xa2, 0xe8, 0xe0, 0x25, 0x12, 444dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x74, 0xc6, 0xe8, 0xfb, 0x93, 0x4f, 0x9f, 0x5e, 0xc0, 0xa6, 0x91, 0x1b, 445dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0xa4, 0x24, 0x82, 0xc3, 0x61, 0x07, 0x4c, 0x49, 0x4f, 0x53, 0xae, 0x5f, 446dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x5d, 0x39, 0x36, 0xc0, 0x5b, 0x57, 0x54, 0x60, 0x10, 0x00, 0x00, 0xd1, 447dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x68, 0xb6, 0x6d, 0xdb, 0x36, 0x22, 0xfa, 0x1f, 0x35, 0x75, 0x22, 0xec, 448dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0x31, 0xbc, 0x5d, 0x8f, 0x87, 0x53, 0xa2, 0x05, 0x8c, 0x2f, 0xcd, 0xa8, 449dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0xa7, 0xf3, 0xa3, 0xbd, 0x83, 0x8b, 0x2a, 0xc8, 0x58, 0xf5, 0xac, 0x80, 450dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0xe3, 0xfe, 0x66, 0xa4, 0x7c, 0x1b, 0x6c, 0xd1, 0xa9, 0xd8, 0x14, 0xd0, 451dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com 0xc5, 0xb5, 0x39, 0x71, 0x97, 0x19, 0x19, 0x1b 452dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com }; 453dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com SkAutoDataUnref encoded(SkData::NewWithCopy(encodedWebP, 454dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com sizeof(encodedWebP))); 455dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com SkBitmap bm; 4563d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 4573d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com bool success = SkInstallDiscardablePixelRef( 4583d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkDecodingImageGenerator::Create(encoded, 4592d970b5128f7270cd01a93e4ce68d0c3ea67ac71commit-bot@chromium.org SkDecodingImageGenerator::Options()), &bm); 4603d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 461dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com REPORTER_ASSERT(reporter, success); 462dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com if (!success) { 463dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com return; 464dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com } 465dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com SkAutoLockPixels alp(bm); 4663d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 467862020763d9d2fb1900b2c84e55dadf46482246dskia.committer@gmail.com bool rightSize = ((kExpectedWidth == bm.width()) 4683d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com && (kExpectedHeight == bm.height())); 469dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com REPORTER_ASSERT(reporter, rightSize); 470dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com if (rightSize) { 471dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com bool error = false; 4723d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com const SkColor* correctPixel = kExpectedPixels; 473dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com for (int y = 0; y < bm.height(); ++y) { 474dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com for (int x = 0; x < bm.width(); ++x) { 475dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com error |= (*correctPixel != bm.getColor(x, y)); 476dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com ++correctPixel; 477dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com } 478dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com } 479dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com REPORTER_ASSERT(reporter, !error); 480dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com } 481dedd44adea3b87faea4bcd833c6a508a6db8fcfdhalcanary@google.com} 4823d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 4833d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com//////////////////////////////////////////////////////////////////////////////// 4843d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 4853d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com// example of how Android will do this inside their BitmapFactory 4863d50ea1b87132833d7eab38964f40315ba553205halcanary@google.comstatic SkPixelRef* install_pixel_ref(SkBitmap* bitmap, 4873d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkStreamRewindable* stream, 4883d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com int sampleSize, bool ditherImage) { 4893d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkASSERT(bitmap != NULL); 4903d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkASSERT(stream != NULL); 4913d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkASSERT(stream->rewind()); 4923d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkASSERT(stream->unique()); 49361e96cd44624c9faceb625519c1b29775b161f45commit-bot@chromium.org SkColorType colorType = bitmap->colorType(); 4943d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkDecodingImageGenerator::Options opts(sampleSize, ditherImage, colorType); 495e5a8e66668a1594e49b2c221f26da4c6d2a4e99fcommit-bot@chromium.org if (SkInstallDiscardablePixelRef( 496e5a8e66668a1594e49b2c221f26da4c6d2a4e99fcommit-bot@chromium.org SkDecodingImageGenerator::Create(stream, opts), bitmap)) { 4973d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com return bitmap->pixelRef(); 4983d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 4993d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com return NULL; 5003d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com} 5013d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com/** 5023d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com * A test for the SkDecodingImageGenerator::Create and 5033d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com * SkInstallDiscardablePixelRef functions. 5043d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com */ 5053d50ea1b87132833d7eab38964f40315ba553205halcanary@google.comDEF_TEST(ImprovedBitmapFactory, reporter) { 506bcbc1788b478b1e54079318ad073e8490aa66faetfarina SkString resourcePath = GetResourcePath(); 507b7acbfe0ee940863b5e2350b0b0c3795e01751f5halcanary@google.com SkString path = SkOSPath::SkPathJoin( 508b7acbfe0ee940863b5e2350b0b0c3795e01751f5halcanary@google.com resourcePath.c_str(), "randPixels.png"); 5093d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkAutoTUnref<SkStreamRewindable> stream( 5103d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkStream::NewFromFile(path.c_str())); 5113d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com if (sk_exists(path.c_str())) { 5123d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkBitmap bm; 513a3264e53ee3f3c5d6a2c813df7e44b5b96d207f2commit-bot@chromium.org SkAssertResult(bm.setInfo(SkImageInfo::MakeN32Premul(1, 1))); 5143d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com REPORTER_ASSERT(reporter, 5153d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com NULL != install_pixel_ref(&bm, stream.detach(), 1, true)); 5163d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkAutoLockPixels alp(bm); 5173d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com REPORTER_ASSERT(reporter, NULL != bm.getPixels()); 5183d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 5193d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com} 5203d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 5213d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 5223d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com//////////////////////////////////////////////////////////////////////////////// 5233d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 5243d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com#if defined(SK_BUILD_FOR_ANDROID) || defined(SK_BUILD_FOR_UNIX) 5253d50ea1b87132833d7eab38964f40315ba553205halcanary@google.comstatic inline bool check_rounding(int value, int dividend, int divisor) { 526b7acbfe0ee940863b5e2350b0b0c3795e01751f5halcanary@google.com // returns true if the value is greater than floor(dividend/divisor) 527b7acbfe0ee940863b5e2350b0b0c3795e01751f5halcanary@google.com // and less than SkNextPow2(ceil(dividend - divisor)) 5283d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com return (((divisor * value) > (dividend - divisor)) 529b7acbfe0ee940863b5e2350b0b0c3795e01751f5halcanary@google.com && value <= SkNextPow2(((dividend - 1) / divisor) + 1)); 5303d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com} 5313d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com#endif // SK_BUILD_FOR_ANDROID || SK_BUILD_FOR_UNIX 5323d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 5333d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 5343d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com#if SK_PMCOLOR_BYTE_ORDER(B,G,R,A) 5353d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com #define kBackwards_SkColorType kRGBA_8888_SkColorType 5363d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com#elif SK_PMCOLOR_BYTE_ORDER(R,G,B,A) 5373d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com #define kBackwards_SkColorType kBGRA_8888_SkColorType 5383d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com#else 5393d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com #error "SK_*32_SHFIT values must correspond to BGRA or RGBA byte order" 5403d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com#endif 5413d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 5423d50ea1b87132833d7eab38964f40315ba553205halcanary@google.comstatic inline const char* SkColorType_to_string(SkColorType colorType) { 5433d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com switch(colorType) { 5443d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com case kAlpha_8_SkColorType: return "Alpha_8"; 5453d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com case kRGB_565_SkColorType: return "RGB_565"; 5463d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com case kARGB_4444_SkColorType: return "ARGB_4444"; 54728fcae2ec77eb16a79e155f8d788b20457f1c951commit-bot@chromium.org case kN32_SkColorType: return "N32"; 5483d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com case kBackwards_SkColorType: return "Backwards"; 5493d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com case kIndex_8_SkColorType: return "Index_8"; 5503d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com default: return "ERROR"; 5513d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 5523d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com} 5533d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 554a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.comstatic inline const char* options_colorType( 555a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com const SkDecodingImageGenerator::Options& opts) { 556a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com if (opts.fUseRequestedColorType) { 557a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com return SkColorType_to_string(opts.fRequestedColorType); 558a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com } else { 559a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com return "(none)"; 560a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com } 561a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com} 562a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com 563a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.comstatic inline const char* yn(bool value) { 564a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com if (value) { 565a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com return "yes"; 566a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com } else { 567a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com return "no"; 568a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com } 569a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com} 570a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com 5713d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com/** 5723d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com * Given either a SkStream or a SkData, try to decode the encoded 5733d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com * image using the specified options and report errors. 5743d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com */ 5753d50ea1b87132833d7eab38964f40315ba553205halcanary@google.comstatic void test_options(skiatest::Reporter* reporter, 5763d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com const SkDecodingImageGenerator::Options& opts, 5773d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkStreamRewindable* encodedStream, 5783d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkData* encodedData, 5793d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com bool useData, 5803d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com const SkString& path) { 5813d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkBitmap bm; 5823d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com bool success = false; 5833d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com if (useData) { 5843d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com if (NULL == encodedData) { 5853d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com return; 5863d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 5873d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com success = SkInstallDiscardablePixelRef( 5882d970b5128f7270cd01a93e4ce68d0c3ea67ac71commit-bot@chromium.org SkDecodingImageGenerator::Create(encodedData, opts), &bm); 5893d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } else { 5903d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com if (NULL == encodedStream) { 5913d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com return; 5923d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 5933d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com success = SkInstallDiscardablePixelRef( 5942d970b5128f7270cd01a93e4ce68d0c3ea67ac71commit-bot@chromium.org SkDecodingImageGenerator::Create(encodedStream->duplicate(), opts), &bm); 5953d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 5963d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com if (!success) { 5973d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com if (opts.fUseRequestedColorType 5983d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com && (kARGB_4444_SkColorType == opts.fRequestedColorType)) { 5993d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com return; // Ignore known conversion inabilities. 6003d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 6013d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com // If we get here, it's a failure and we will need more 6023d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com // information about why it failed. 603a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com ERRORF(reporter, "Bounds decode failed [sampleSize=%d dither=%s " 604a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com "colorType=%s %s]", opts.fSampleSize, yn(opts.fDitherImage), 605a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com options_colorType(opts), path.c_str()); 6063d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com return; 6073d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 6083d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com #if defined(SK_BUILD_FOR_ANDROID) || defined(SK_BUILD_FOR_UNIX) 6093d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com // Android is the only system that use Skia's image decoders in 6103d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com // production. For now, we'll only verify that samplesize works 6113d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com // on systems where it already is known to work. 6123d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com REPORTER_ASSERT(reporter, check_rounding(bm.height(), kExpectedHeight, 6133d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com opts.fSampleSize)); 6143d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com REPORTER_ASSERT(reporter, check_rounding(bm.width(), kExpectedWidth, 6153d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com opts.fSampleSize)); 616b7acbfe0ee940863b5e2350b0b0c3795e01751f5halcanary@google.com // The ImageDecoder API doesn't guarantee that SampleSize does 617b7acbfe0ee940863b5e2350b0b0c3795e01751f5halcanary@google.com // anything at all, but the decoders that this test excercises all 618b7acbfe0ee940863b5e2350b0b0c3795e01751f5halcanary@google.com // produce an output size in the following range: 619b7acbfe0ee940863b5e2350b0b0c3795e01751f5halcanary@google.com // (((sample_size * out_size) > (in_size - sample_size)) 620b7acbfe0ee940863b5e2350b0b0c3795e01751f5halcanary@google.com // && out_size <= SkNextPow2(((in_size - 1) / sample_size) + 1)); 6213d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com #endif // SK_BUILD_FOR_ANDROID || SK_BUILD_FOR_UNIX 6223d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkAutoLockPixels alp(bm); 6233d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com if (bm.getPixels() == NULL) { 624a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com ERRORF(reporter, "Pixel decode failed [sampleSize=%d dither=%s " 625a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com "colorType=%s %s]", opts.fSampleSize, yn(opts.fDitherImage), 626a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com options_colorType(opts), path.c_str()); 6273d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com return; 6283d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 6293d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 630bfefc7c95fc0e8ebd5000c68f6d16e1a3ea0e71ereed SkColorType requestedColorType = opts.fRequestedColorType; 6313d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com REPORTER_ASSERT(reporter, 6323d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com (!opts.fUseRequestedColorType) 633bfefc7c95fc0e8ebd5000c68f6d16e1a3ea0e71ereed || (bm.colorType() == requestedColorType)); 6343d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 6353d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com // Condition under which we should check the decoding results: 636bfefc7c95fc0e8ebd5000c68f6d16e1a3ea0e71ereed if ((kN32_SkColorType == bm.colorType()) 6373d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com && (!path.endsWith(".jpg")) // lossy 6383d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com && (opts.fSampleSize == 1)) { // scaled 6393d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com const SkColor* correctPixels = kExpectedPixels; 6403d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkASSERT(bm.height() == kExpectedHeight); 6413d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkASSERT(bm.width() == kExpectedWidth); 6423d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com int pixelErrors = 0; 6433d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com for (int y = 0; y < bm.height(); ++y) { 6443d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com for (int x = 0; x < bm.width(); ++x) { 6453d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com if (*correctPixels != bm.getColor(x, y)) { 6463d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com ++pixelErrors; 6473d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 6483d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com ++correctPixels; 6493d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 6503d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 6513d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com if (pixelErrors != 0) { 652a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com ERRORF(reporter, "Pixel-level mismatch (%d of %d) " 653a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com "[sampleSize=%d dither=%s colorType=%s %s]", 654a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com pixelErrors, kExpectedHeight * kExpectedWidth, 655a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com opts.fSampleSize, yn(opts.fDitherImage), 656a9325fa237dde2654bc841c2bb0a05fc3e57696ahalcanary@google.com options_colorType(opts), path.c_str()); 6573d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 6583d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 6593d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com} 6603d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 6613d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com/** 6623d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com * SkDecodingImageGenerator has an Options struct which lets the 6633d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com * client of the generator set sample size, dithering, and bitmap 6643d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com * config. This test loops through many possible options and tries 6653d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com * them on a set of 5 small encoded images (each in a different 6663d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com * format). We test both SkData and SkStreamRewindable decoding. 6673d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com */ 6683d50ea1b87132833d7eab38964f40315ba553205halcanary@google.comDEF_TEST(ImageDecoderOptions, reporter) { 6693d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com const char* files[] = { 6703d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com "randPixels.bmp", 6713d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com "randPixels.jpg", 6723d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com "randPixels.png", 6733d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com "randPixels.webp", 6743d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com #if !defined(SK_BUILD_FOR_WIN) 6753d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com // TODO(halcanary): Find out why this fails sometimes. 6763d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com "randPixels.gif", 6773d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com #endif 6783d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com }; 6793d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 680bcbc1788b478b1e54079318ad073e8490aa66faetfarina SkString resourceDir = GetResourcePath(); 681b7acbfe0ee940863b5e2350b0b0c3795e01751f5halcanary@google.com if (!sk_exists(resourceDir.c_str())) { 6823d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com return; 6833d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 6843d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 6853d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com int scaleList[] = {1, 2, 3, 4}; 6863d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com bool ditherList[] = {true, false}; 6873d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkColorType colorList[] = { 6883d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com kAlpha_8_SkColorType, 6893d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com kRGB_565_SkColorType, 6903d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com kARGB_4444_SkColorType, // Most decoders will fail on 4444. 69128fcae2ec77eb16a79e155f8d788b20457f1c951commit-bot@chromium.org kN32_SkColorType 6923d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com // Note that indexed color is left out of the list. Lazy 6933d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com // decoding doesn't do indexed color. 6943d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com }; 6953d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com const bool useDataList[] = {true, false}; 6963d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 6973d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com for (size_t fidx = 0; fidx < SK_ARRAY_COUNT(files); ++fidx) { 698b7acbfe0ee940863b5e2350b0b0c3795e01751f5halcanary@google.com SkString path = SkOSPath::SkPathJoin(resourceDir.c_str(), files[fidx]); 6993d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com if (!sk_exists(path.c_str())) { 7003d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com continue; 7013d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 7023d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 7033d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkAutoDataUnref encodedData(SkData::NewFromFileName(path.c_str())); 7043d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com REPORTER_ASSERT(reporter, encodedData.get() != NULL); 7053d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkAutoTUnref<SkStreamRewindable> encodedStream( 7063d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkStream::NewFromFile(path.c_str())); 7073d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com REPORTER_ASSERT(reporter, encodedStream.get() != NULL); 7083d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 7093d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com for (size_t i = 0; i < SK_ARRAY_COUNT(scaleList); ++i) { 7103d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com for (size_t j = 0; j < SK_ARRAY_COUNT(ditherList); ++j) { 7113d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com for (size_t m = 0; m < SK_ARRAY_COUNT(useDataList); ++m) { 7123d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com for (size_t k = 0; k < SK_ARRAY_COUNT(colorList); ++k) { 7133d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkDecodingImageGenerator::Options opts(scaleList[i], 7143d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com ditherList[j], 7153d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com colorList[k]); 7163d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com test_options(reporter, opts, encodedStream, encodedData, 7173d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com useDataList[m], path); 7183d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com 7193d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 7203d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com SkDecodingImageGenerator::Options options(scaleList[i], 7213d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com ditherList[j]); 7223d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com test_options(reporter, options, encodedStream, encodedData, 7233d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com useDataList[m], path); 7243d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 7253d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 7263d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 7273d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com } 7283d50ea1b87132833d7eab38964f40315ba553205halcanary@google.com} 729