bc91e8b7d7
Builder Test-Android-Xoom-Tegra2-Arm7-Debug fails run_decoding_tests due to a couple of images. Add a way in skimage to ignore failures if an image is expected to fail. Add an expectations file for xoom that includes ignore-failure for the two files which are failing. I have created https://code.google.com/p/skia/issues/detail?id=1382 to track the fact that these images fail to decode, despite the bot showing green. R=borenet@google.com Review URL: https://codereview.chromium.org/18023008 git-svn-id: http://skia.googlecode.com/svn/trunk@9797 2bbb7eff-a529-9590-31e7-b0007b416f81
571 lines
23 KiB
C++
571 lines
23 KiB
C++
/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm_expectations.h"
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#include "SkBitmap.h"
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#include "SkColorPriv.h"
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#include "SkCommandLineFlags.h"
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#include "SkData.h"
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#include "SkForceLinking.h"
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#include "SkGraphics.h"
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#include "SkImageDecoder.h"
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#include "SkImageEncoder.h"
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#include "SkOSFile.h"
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#include "SkRandom.h"
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#include "SkStream.h"
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#include "SkTArray.h"
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#include "SkTemplates.h"
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__SK_FORCE_IMAGE_DECODER_LINKING;
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DEFINE_string(createExpectationsPath, "", "Path to write JSON expectations.");
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DEFINE_string(mismatchPath, "", "Folder to write mismatched images to.");
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DEFINE_string2(readPath, r, "", "Folder(s) and files to decode images. Required.");
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DEFINE_string(readExpectationsPath, "", "Path to read JSON expectations from.");
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DEFINE_bool(reencode, true, "Reencode the images to test encoding.");
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DEFINE_bool(testSubsetDecoding, true, "Test decoding subsets of images.");
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DEFINE_string2(writePath, w, "", "Write rendered images into this directory.");
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struct Format {
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SkImageEncoder::Type fType;
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SkImageDecoder::Format fFormat;
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const char* fSuffix;
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};
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static const Format gFormats[] = {
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{ SkImageEncoder::kBMP_Type, SkImageDecoder::kBMP_Format, ".bmp" },
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{ SkImageEncoder::kGIF_Type, SkImageDecoder::kGIF_Format, ".gif" },
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{ SkImageEncoder::kICO_Type, SkImageDecoder::kICO_Format, ".ico" },
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{ SkImageEncoder::kJPEG_Type, SkImageDecoder::kJPEG_Format, ".jpg" },
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{ SkImageEncoder::kPNG_Type, SkImageDecoder::kPNG_Format, ".png" },
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{ SkImageEncoder::kWBMP_Type, SkImageDecoder::kWBMP_Format, ".wbmp" },
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{ SkImageEncoder::kWEBP_Type, SkImageDecoder::kWEBP_Format, ".webp" }
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};
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static SkImageEncoder::Type format_to_type(SkImageDecoder::Format format) {
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for (size_t i = 0; i < SK_ARRAY_COUNT(gFormats); i++) {
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if (gFormats[i].fFormat == format) {
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return gFormats[i].fType;
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}
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}
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return SkImageEncoder::kUnknown_Type;
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}
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static const char* suffix_for_type(SkImageEncoder::Type type) {
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for (size_t i = 0; i < SK_ARRAY_COUNT(gFormats); i++) {
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if (gFormats[i].fType == type) {
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return gFormats[i].fSuffix;
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}
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}
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return "";
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}
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static SkImageDecoder::Format guess_format_from_suffix(const char suffix[]) {
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for (size_t i = 0; i < SK_ARRAY_COUNT(gFormats); i++) {
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if (strcmp(suffix, gFormats[i].fSuffix) == 0) {
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return gFormats[i].fFormat;
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}
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}
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return SkImageDecoder::kUnknown_Format;
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}
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static void make_outname(SkString* dst, const char outDir[], const char src[],
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const char suffix[]) {
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SkString basename = SkOSPath::SkBasename(src);
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dst->set(SkOSPath::SkPathJoin(outDir, basename.c_str()));
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if (!dst->endsWith(suffix)) {
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const char* cstyleDst = dst->c_str();
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const char* dot = strrchr(cstyleDst, '.');
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if (dot != NULL) {
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int32_t index = SkToS32(dot - cstyleDst);
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dst->remove(index, dst->size() - index);
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}
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dst->append(suffix);
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}
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}
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// Store the names of the filenames to report later which ones failed, succeeded, and were
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// invalid.
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static SkTArray<SkString, false> gInvalidStreams;
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static SkTArray<SkString, false> gMissingCodecs;
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static SkTArray<SkString, false> gDecodeFailures;
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static SkTArray<SkString, false> gEncodeFailures;
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static SkTArray<SkString, false> gSuccessfulDecodes;
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static SkTArray<SkString, false> gSuccessfulSubsetDecodes;
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static SkTArray<SkString, false> gFailedSubsetDecodes;
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// Expections read from a file specified by readExpectationsPath. The expectations must have been
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// previously written using createExpectationsPath.
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SkAutoTUnref<skiagm::JsonExpectationsSource> gJsonExpectations;
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static bool write_bitmap(const char outName[], const SkBitmap& bm) {
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return SkImageEncoder::EncodeFile(outName, bm, SkImageEncoder::kPNG_Type, 100);
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}
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/**
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* Return a random SkIRect inside the range specified.
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* @param rand Random number generator.
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* @param maxX Exclusive maximum x-coordinate. SkIRect's fLeft and fRight will be
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* in the range [0, maxX)
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* @param maxY Exclusive maximum y-coordinate. SkIRect's fTop and fBottom will be
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* in the range [0, maxY)
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* @return SkIRect Non-empty, non-degenerate rectangle.
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*/
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static SkIRect generate_random_rect(SkRandom* rand, int32_t maxX, int32_t maxY) {
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SkASSERT(maxX > 1 && maxY > 1);
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int32_t left = rand->nextULessThan(maxX);
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int32_t right = rand->nextULessThan(maxX);
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int32_t top = rand->nextULessThan(maxY);
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int32_t bottom = rand->nextULessThan(maxY);
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SkIRect rect = SkIRect::MakeLTRB(left, top, right, bottom);
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rect.sort();
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// Make sure rect is not empty.
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if (rect.fLeft == rect.fRight) {
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if (rect.fLeft > 0) {
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rect.fLeft--;
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} else {
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rect.fRight++;
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// This branch is only taken if 0 == rect.fRight, and
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// maxX must be at least 2, so it must still be in
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// range.
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SkASSERT(rect.fRight < maxX);
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}
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}
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if (rect.fTop == rect.fBottom) {
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if (rect.fTop > 0) {
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rect.fTop--;
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} else {
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rect.fBottom++;
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// Again, this must be in range.
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SkASSERT(rect.fBottom < maxY);
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}
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}
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return rect;
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}
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// Stored expectations to be written to a file if createExpectationsPath is specified.
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static Json::Value gExpectationsToWrite;
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/**
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* If expectations are to be recorded, record the bitmap expectations into global
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* expectations array.
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*/
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static void write_expectations(const SkBitmap& bitmap, const char* filename) {
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if (!FLAGS_createExpectationsPath.isEmpty()) {
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// Creates an Expectations object, and add it to the list to write.
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skiagm::Expectations expectation(bitmap);
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Json::Value value = expectation.asJsonValue();
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gExpectationsToWrite[filename] = value;
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}
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}
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/**
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* Return true if this filename is a known failure, and therefore a failure
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* to decode should be ignored.
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*/
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static bool expect_to_fail(const char* filename) {
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if (NULL == gJsonExpectations.get()) {
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return false;
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}
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skiagm::Expectations jsExpectations = gJsonExpectations->get(filename);
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return jsExpectations.ignoreFailure();
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}
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/**
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* Compare against an expectation for this filename, if there is one.
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* @param bitmap SkBitmap to compare to the expected value.
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* @param filename String used to find the expected value.
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* @return bool True in any of these cases:
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* - the bitmap matches the expectation.
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* False in any of these cases:
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* - there is no expectations file.
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* - there is an expectations file, but no expectation for this bitmap.
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* - there is an expectation for this bitmap, but it did not match.
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* - expectation could not be computed from the bitmap.
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*/
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static bool compare_to_expectations_if_necessary(const SkBitmap& bitmap, const char* filename,
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SkTArray<SkString, false>* failureArray) {
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skiagm::GmResultDigest resultDigest(bitmap);
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if (!resultDigest.isValid()) {
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if (failureArray != NULL) {
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failureArray->push_back().printf("decoded %s, but could not create a GmResultDigest.",
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filename);
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}
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return false;
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}
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if (NULL == gJsonExpectations.get()) {
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return false;
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}
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skiagm::Expectations jsExpectation = gJsonExpectations->get(filename);
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if (jsExpectation.empty()) {
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if (failureArray != NULL) {
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failureArray->push_back().printf("decoded %s, but could not find expectation.",
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filename);
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}
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return false;
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}
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if (jsExpectation.match(resultDigest)) {
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return true;
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}
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if (failureArray != NULL) {
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failureArray->push_back().printf("decoded %s, but the result does not match "
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"expectations.",
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filename);
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}
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return false;
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}
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/**
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* Helper function to write a bitmap subset to a file. Only called if subsets were created
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* and a writePath was provided. Creates a subdirectory called 'subsets' and writes a PNG to
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* that directory. Also creates a subdirectory called 'extracted' and writes a bitmap created
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* using extractSubset to a PNG in that directory. Both files will represent the same
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* subrectangle and have the same name for comparison.
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* @param writePath Parent directory to hold the folders for the PNG files to write. Must
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* not be NULL.
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* @param filename Basename of the original file. Used to name the new files. Must not be
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* NULL.
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* @param subsetDim String representing the dimensions of the subset. Used to name the new
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* files. Must not be NULL.
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* @param bitmapFromDecodeSubset Pointer to SkBitmap created by SkImageDecoder::DecodeSubset,
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* using rect as the area to decode.
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* @param rect Rectangle of the area decoded into bitmapFromDecodeSubset. Used to call
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* extractSubset on originalBitmap to create a bitmap with the same dimensions/pixels as
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* bitmapFromDecodeSubset (assuming decodeSubset worked properly).
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* @param originalBitmap SkBitmap decoded from the same stream as bitmapFromDecodeSubset,
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* using SkImageDecoder::decode to get the entire image. Used to create a PNG file for
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* comparison to the PNG created by bitmapFromDecodeSubset.
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* @return bool Whether the function succeeded at drawing the decoded subset and the extracted
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* subset to files.
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*/
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static bool write_subset(const char* writePath, const char* filename, const char* subsetDim,
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SkBitmap* bitmapFromDecodeSubset, SkIRect rect,
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const SkBitmap& originalBitmap) {
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// All parameters must be valid.
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SkASSERT(writePath != NULL);
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SkASSERT(filename != NULL);
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SkASSERT(subsetDim != NULL);
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SkASSERT(bitmapFromDecodeSubset != NULL);
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// Create a subdirectory to hold the results of decodeSubset.
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SkString dir = SkOSPath::SkPathJoin(writePath, "subsets");
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if (!sk_mkdir(dir.c_str())) {
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gFailedSubsetDecodes.push_back().printf("Successfully decoded %s from %s, but failed to "
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"create a directory to write to.", subsetDim,
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filename);
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return false;
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}
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// Write the subset to a file whose name includes the dimensions.
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SkString suffix = SkStringPrintf("_%s.png", subsetDim);
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SkString outPath;
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make_outname(&outPath, dir.c_str(), filename, suffix.c_str());
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SkAssertResult(write_bitmap(outPath.c_str(), *bitmapFromDecodeSubset));
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gSuccessfulSubsetDecodes.push_back().printf("\twrote %s", outPath.c_str());
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// Also use extractSubset from the original for visual comparison.
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// Write the result to a file in a separate subdirectory.
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SkBitmap extractedSubset;
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if (!originalBitmap.extractSubset(&extractedSubset, rect)) {
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gFailedSubsetDecodes.push_back().printf("Successfully decoded %s from %s, but failed to "
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"extract a similar subset for comparison.",
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subsetDim, filename);
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return false;
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}
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SkString dirExtracted = SkOSPath::SkPathJoin(writePath, "extracted");
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if (!sk_mkdir(dirExtracted.c_str())) {
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gFailedSubsetDecodes.push_back().printf("Successfully decoded %s from %s, but failed to "
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"create a directory for extractSubset comparison.",
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subsetDim, filename);
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return false;
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}
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make_outname(&outPath, dirExtracted.c_str(), filename, suffix.c_str());
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SkAssertResult(write_bitmap(outPath.c_str(), extractedSubset));
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return true;
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}
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static void decodeFileAndWrite(const char srcPath[], const SkString* writePath) {
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SkBitmap bitmap;
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SkFILEStream stream(srcPath);
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if (!stream.isValid()) {
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gInvalidStreams.push_back().set(srcPath);
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return;
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}
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SkImageDecoder* codec = SkImageDecoder::Factory(&stream);
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if (NULL == codec) {
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gMissingCodecs.push_back().set(srcPath);
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return;
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}
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SkAutoTDelete<SkImageDecoder> ad(codec);
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stream.rewind();
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// Create a string representing just the filename itself, for use in json expectations.
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SkString basename = SkOSPath::SkBasename(srcPath);
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const char* filename = basename.c_str();
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if (!codec->decode(&stream, &bitmap, SkBitmap::kARGB_8888_Config,
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SkImageDecoder::kDecodePixels_Mode)) {
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if (expect_to_fail(filename)) {
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gSuccessfulDecodes.push_back().appendf(
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"failed to decode %s, which is a known failure.", srcPath);
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} else {
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gDecodeFailures.push_back().set(srcPath);
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}
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return;
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}
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if (compare_to_expectations_if_necessary(bitmap, filename, &gDecodeFailures)) {
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gSuccessfulDecodes.push_back().printf("%s [%d %d]", srcPath, bitmap.width(),
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bitmap.height());
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} else if (!FLAGS_mismatchPath.isEmpty()) {
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SkString outPath;
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make_outname(&outPath, FLAGS_mismatchPath[0], srcPath, ".png");
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if (write_bitmap(outPath.c_str(), bitmap)) {
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gSuccessfulDecodes.push_back().appendf("\twrote %s", outPath.c_str());
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} else {
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gEncodeFailures.push_back().set(outPath);
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}
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}
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if (writePath != NULL) {
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SkString outPath;
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make_outname(&outPath, writePath->c_str(), srcPath, ".png");
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if (write_bitmap(outPath.c_str(), bitmap)) {
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gSuccessfulDecodes.push_back().appendf("\twrote %s", outPath.c_str());
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} else {
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gEncodeFailures.push_back().set(outPath);
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}
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}
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write_expectations(bitmap, filename);
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if (FLAGS_testSubsetDecoding) {
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SkDEBUGCODE(bool couldRewind =) stream.rewind();
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SkASSERT(couldRewind);
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int width, height;
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// Build the tile index for decoding subsets. If the image is 1x1, skip subset
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// decoding since there are no smaller subsets.
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if (codec->buildTileIndex(&stream, &width, &height) && width > 1 && height > 1) {
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SkASSERT(bitmap.width() == width && bitmap.height() == height);
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// Call decodeSubset multiple times:
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SkRandom rand(0);
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for (int i = 0; i < 5; i++) {
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SkBitmap bitmapFromDecodeSubset;
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// FIXME: Come up with a more representative set of rectangles.
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SkIRect rect = generate_random_rect(&rand, width, height);
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SkString subsetDim = SkStringPrintf("[%d,%d,%d,%d]", rect.fLeft, rect.fTop,
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rect.fRight, rect.fBottom);
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if (codec->decodeSubset(&bitmapFromDecodeSubset, rect, SkBitmap::kNo_Config)) {
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SkString subsetName = SkStringPrintf("%s_%s", filename, subsetDim.c_str());
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if (compare_to_expectations_if_necessary(bitmapFromDecodeSubset,
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subsetName.c_str(),
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&gFailedSubsetDecodes)) {
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gSuccessfulSubsetDecodes.push_back().printf("Decoded subset %s from %s",
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subsetDim.c_str(), srcPath);
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} else if (!FLAGS_mismatchPath.isEmpty()) {
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write_subset(FLAGS_mismatchPath[0], filename, subsetDim.c_str(),
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&bitmapFromDecodeSubset, rect, bitmap);
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}
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write_expectations(bitmapFromDecodeSubset, subsetName.c_str());
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if (writePath != NULL) {
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write_subset(writePath->c_str(), filename, subsetDim.c_str(),
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&bitmapFromDecodeSubset, rect, bitmap);
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}
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} else {
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gFailedSubsetDecodes.push_back().printf("Failed to decode region %s from %s",
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subsetDim.c_str(), srcPath);
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}
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}
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}
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}
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if (FLAGS_reencode) {
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// Encode to the format the file was originally in, or PNG if the encoder for the same
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// format is unavailable.
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SkImageDecoder::Format format = codec->getFormat();
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if (SkImageDecoder::kUnknown_Format == format) {
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if (stream.rewind()) {
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format = SkImageDecoder::GetStreamFormat(&stream);
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}
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if (SkImageDecoder::kUnknown_Format == format) {
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const char* dot = strrchr(srcPath, '.');
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if (NULL != dot) {
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format = guess_format_from_suffix(dot);
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}
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if (SkImageDecoder::kUnknown_Format == format) {
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SkDebugf("Could not determine type for '%s'\n", srcPath);
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format = SkImageDecoder::kPNG_Format;
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}
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}
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} else {
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SkASSERT(!stream.rewind() || SkImageDecoder::GetStreamFormat(&stream) == format);
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}
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SkImageEncoder::Type type = format_to_type(format);
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// format should never be kUnknown_Format, so type should never be kUnknown_Type.
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SkASSERT(type != SkImageEncoder::kUnknown_Type);
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SkImageEncoder* encoder = SkImageEncoder::Create(type);
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if (NULL == encoder) {
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type = SkImageEncoder::kPNG_Type;
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encoder = SkImageEncoder::Create(type);
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SkASSERT(encoder);
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}
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SkAutoTDelete<SkImageEncoder> ade(encoder);
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// Encode to a stream.
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SkDynamicMemoryWStream wStream;
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if (!encoder->encodeStream(&wStream, bitmap, 100)) {
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gEncodeFailures.push_back().printf("Failed to reencode %s to type '%s'", srcPath,
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suffix_for_type(type));
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return;
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}
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SkAutoTUnref<SkData> data(wStream.copyToData());
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if (writePath != NULL && type != SkImageEncoder::kPNG_Type) {
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// Write the encoded data to a file. Do not write to PNG, which was already written.
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SkString outPath;
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make_outname(&outPath, writePath->c_str(), srcPath, suffix_for_type(type));
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SkFILEWStream file(outPath.c_str());
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if(file.write(data->data(), data->size())) {
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gSuccessfulDecodes.push_back().appendf("\twrote %s", outPath.c_str());
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} else {
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gEncodeFailures.push_back().printf("Failed to write %s", outPath.c_str());
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}
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}
|
|
// Ensure that the reencoded data can still be decoded.
|
|
SkMemoryStream memStream(data);
|
|
SkBitmap redecodedBitmap;
|
|
SkImageDecoder::Format formatOnSecondDecode;
|
|
if (SkImageDecoder::DecodeStream(&memStream, &redecodedBitmap, SkBitmap::kNo_Config,
|
|
SkImageDecoder::kDecodePixels_Mode,
|
|
&formatOnSecondDecode)) {
|
|
SkASSERT(format_to_type(formatOnSecondDecode) == type);
|
|
} else {
|
|
gDecodeFailures.push_back().printf("Failed to redecode %s after reencoding to '%s'",
|
|
srcPath, suffix_for_type(type));
|
|
}
|
|
}
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
// If strings is not empty, print title, followed by each string on its own line starting
|
|
// with a tab.
|
|
// @return bool True if strings had at least one entry.
|
|
static bool print_strings(const char* title, const SkTArray<SkString, false>& strings) {
|
|
if (strings.count() > 0) {
|
|
SkDebugf("%s:\n", title);
|
|
for (int i = 0; i < strings.count(); i++) {
|
|
SkDebugf("\t%s\n", strings[i].c_str());
|
|
}
|
|
SkDebugf("\n");
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* If directory is non null and does not end with a path separator, append one.
|
|
* @param directory SkString representing the path to a directory. If the last character is not a
|
|
* path separator (specific to the current OS), append one.
|
|
*/
|
|
static void append_path_separator_if_necessary(SkString* directory) {
|
|
if (directory != NULL && directory->c_str()[directory->size() - 1] != SkPATH_SEPARATOR) {
|
|
directory->appendf("%c", SkPATH_SEPARATOR);
|
|
}
|
|
}
|
|
|
|
int tool_main(int argc, char** argv);
|
|
int tool_main(int argc, char** argv) {
|
|
SkCommandLineFlags::SetUsage("Decode files, and optionally write the results to files.");
|
|
SkCommandLineFlags::Parse(argc, argv);
|
|
|
|
if (FLAGS_readPath.count() < 1) {
|
|
SkDebugf("Folder(s) or image(s) to decode are required.\n");
|
|
return -1;
|
|
}
|
|
|
|
|
|
SkAutoGraphics ag;
|
|
|
|
if (!FLAGS_readExpectationsPath.isEmpty() && sk_exists(FLAGS_readExpectationsPath[0])) {
|
|
gJsonExpectations.reset(SkNEW_ARGS(skiagm::JsonExpectationsSource,
|
|
(FLAGS_readExpectationsPath[0])));
|
|
}
|
|
|
|
SkString outDir;
|
|
SkString* outDirPtr;
|
|
|
|
if (FLAGS_writePath.count() == 1) {
|
|
outDir.set(FLAGS_writePath[0]);
|
|
append_path_separator_if_necessary(&outDir);
|
|
outDirPtr = &outDir;
|
|
} else {
|
|
outDirPtr = NULL;
|
|
}
|
|
|
|
for (int i = 0; i < FLAGS_readPath.count(); i++) {
|
|
const char* readPath = FLAGS_readPath[i];
|
|
if (strlen(readPath) < 1) {
|
|
break;
|
|
}
|
|
if (sk_isdir(readPath)) {
|
|
const char* dir = readPath;
|
|
SkOSFile::Iter iter(dir);
|
|
SkString filename;
|
|
while (iter.next(&filename)) {
|
|
SkString fullname = SkOSPath::SkPathJoin(dir, filename.c_str());
|
|
decodeFileAndWrite(fullname.c_str(), outDirPtr);
|
|
}
|
|
} else if (sk_exists(readPath)) {
|
|
decodeFileAndWrite(readPath, outDirPtr);
|
|
}
|
|
}
|
|
|
|
if (!FLAGS_createExpectationsPath.isEmpty()) {
|
|
// Use an empty value for everything besides expectations, since the reader only cares
|
|
// about the expectations.
|
|
Json::Value nullValue;
|
|
Json::Value root = skiagm::CreateJsonTree(gExpectationsToWrite, nullValue, nullValue,
|
|
nullValue, nullValue);
|
|
std::string jsonStdString = root.toStyledString();
|
|
SkFILEWStream stream(FLAGS_createExpectationsPath[0]);
|
|
stream.write(jsonStdString.c_str(), jsonStdString.length());
|
|
}
|
|
// Add some space, since codecs may print warnings without newline.
|
|
SkDebugf("\n\n");
|
|
|
|
bool failed = print_strings("Invalid files", gInvalidStreams);
|
|
failed |= print_strings("Missing codec", gMissingCodecs);
|
|
failed |= print_strings("Failed to decode", gDecodeFailures);
|
|
failed |= print_strings("Failed to encode", gEncodeFailures);
|
|
print_strings("Decoded", gSuccessfulDecodes);
|
|
|
|
if (FLAGS_testSubsetDecoding) {
|
|
failed |= print_strings("Failed subset decodes", gFailedSubsetDecodes);
|
|
print_strings("Decoded subsets", gSuccessfulSubsetDecodes);
|
|
}
|
|
|
|
return failed ? -1 : 0;
|
|
}
|
|
|
|
#if !defined SK_BUILD_FOR_IOS
|
|
int main(int argc, char * const argv[]) {
|
|
return tool_main(argc, (char**) argv);
|
|
}
|
|
#endif
|