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skia2/tests/JpegTest.cpp

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Make image decoding more fault resistant, less verbose. This change address what happens when a jpeg is partially downloaded before failing. Many browsers will render it anyway: we want Skia to do the same. The JpegTest takes a perfectly cromulent jpeg file and only passes into the ImageDecoder the first half of the image. We then verify that the image decoder returns a valid bitmap of the correct dimensions. We also fixed some png library errors, including issue 1691. Also, suppressed the majority of warnings from using libpng and libjpeg. By default, most warnings are *not* suppressed in debug mode. If you have a debug binary and wish to suppress warnings, set the following environment variables to true skia_images_png_suppressDecoderWarnings skia_images_jpeg_suppressDecoderWarnings or from within a program that links to Skia: #if defined(SK_DEBUG) #include "SkRTConf.h" SK_CONF_SET("images.jpeg.suppressDecoderWarnings", true); SK_CONF_SET("images.png.suppressDecoderWarnings", true); #endif I tested this, before (control) and after these changes (test), on 364,295 skps from the cluster telemetry. - number of errors+warnings in control = 2804 - number of errors+warnings fixed = 2283 - number of PNG verbosity fixed = 2152 - number of PNG error fixed = 4 - number of PNG segfault fixed = 3 - number of PNG errors changed to warnings = 62 - number of JPG verbosity fixed = 26 - number of JPG error fixed = 91 Not all errors and warning have been fixed. These numbers were generated using the find_bad_images_in_skps.py program. This program may be useful going forward for testing image-decoding libraries on skp files from the cluster telemetry. find_bad_images_in_skps.py depends on the test_image_decoder program, which simply executes the SkImageDecoder::DecodeFile function and uses its exit status to report success or failure. BUG=skia:1649 BUG=skia:1691 BUG=skia:1680 R=scroggo@google.com Review URL: https://codereview.chromium.org/24449003 git-svn-id: http://skia.googlecode.com/svn/trunk@11597 2bbb7eff-a529-9590-31e7-b0007b416f81
2013-10-04 12:46:45 +00:00
/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkBitmap.h"
#include "SkData.h"
#include "SkForceLinking.h"
#include "SkImageDecoder.h"
#include "SkImage.h"
#include "SkStream.h"
#include "Test.h"
__SK_FORCE_IMAGE_DECODER_LINKING;
#define JPEG_TEST_WRITE_TO_FILE_FOR_DEBUGGING 0 // do not do this for
// normal unit testing.
namespace {
Fix narrowing warning error I was breaking build, by having a char instead of unsigned char. Review URL: https://codereview.chromium.org/25683012 git-svn-id: http://skia.googlecode.com/svn/trunk@11599 2bbb7eff-a529-9590-31e7-b0007b416f81
2013-10-04 13:24:59 +00:00
unsigned char goodJpegImage[] = {
Make image decoding more fault resistant, less verbose. This change address what happens when a jpeg is partially downloaded before failing. Many browsers will render it anyway: we want Skia to do the same. The JpegTest takes a perfectly cromulent jpeg file and only passes into the ImageDecoder the first half of the image. We then verify that the image decoder returns a valid bitmap of the correct dimensions. We also fixed some png library errors, including issue 1691. Also, suppressed the majority of warnings from using libpng and libjpeg. By default, most warnings are *not* suppressed in debug mode. If you have a debug binary and wish to suppress warnings, set the following environment variables to true skia_images_png_suppressDecoderWarnings skia_images_jpeg_suppressDecoderWarnings or from within a program that links to Skia: #if defined(SK_DEBUG) #include "SkRTConf.h" SK_CONF_SET("images.jpeg.suppressDecoderWarnings", true); SK_CONF_SET("images.png.suppressDecoderWarnings", true); #endif I tested this, before (control) and after these changes (test), on 364,295 skps from the cluster telemetry. - number of errors+warnings in control = 2804 - number of errors+warnings fixed = 2283 - number of PNG verbosity fixed = 2152 - number of PNG error fixed = 4 - number of PNG segfault fixed = 3 - number of PNG errors changed to warnings = 62 - number of JPG verbosity fixed = 26 - number of JPG error fixed = 91 Not all errors and warning have been fixed. These numbers were generated using the find_bad_images_in_skps.py program. This program may be useful going forward for testing image-decoding libraries on skp files from the cluster telemetry. find_bad_images_in_skps.py depends on the test_image_decoder program, which simply executes the SkImageDecoder::DecodeFile function and uses its exit status to report success or failure. BUG=skia:1649 BUG=skia:1691 BUG=skia:1680 R=scroggo@google.com Review URL: https://codereview.chromium.org/24449003 git-svn-id: http://skia.googlecode.com/svn/trunk@11597 2bbb7eff-a529-9590-31e7-b0007b416f81
2013-10-04 12:46:45 +00:00
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0xC4, 0x7E, 0xDD, 0x9D, 0x3C, 0x6A, 0xA5, 0xE5,
0x0C, 0xC2, 0x00, 0x33, 0xAC, 0x47, 0xED, 0xD9,
0xD3, 0xC6, 0xAA, 0x5E, 0x50, 0x67, 0x35, 0xC6,
0xCD, 0xEC, 0x49, 0x2E, 0x25, 0x9D, 0x93, 0xD9,
0x97, 0x2F, 0xA4, 0x92, 0x4A, 0x2B, 0x55, 0x9E,
0x52, 0xD2, 0x85, 0x55, 0x4A, 0xF8, 0xAD, 0x25,
0x29, 0xDD, 0x11, 0xE6, 0x94, 0xE3, 0x68, 0x9C,
0x53, 0x8D, 0xDB, 0xBE, 0x8C, 0x77, 0x14, 0x6B,
0x20, 0x33, 0x32, 0x5C, 0x31, 0x32, 0x3C, 0x6E,
0x75, 0x38, 0x0C, 0xCD, 0x3E, 0x76, 0x89, 0xBB,
0x97, 0xF4, 0x3B, 0x4D, 0x5D, 0xD6, 0x86, 0xD4,
0x5B, 0xAC, 0x9F, 0xC6, 0x90, 0x2F, 0xDA, 0xA9,
0x59, 0xE9, 0xFC, 0xD1, 0x09, 0x42, 0x8C, 0x0C,
0xDF, 0xBE, 0x9E, 0xCD, 0xC5, 0x1A, 0x67, 0x58,
0x8F, 0xDB, 0xB3, 0xA7, 0x8D, 0x54, 0xBC, 0xA3,
0x8C, 0xFE, 0xD0, 0x76, 0x16, 0xFF, 0x00, 0x76,
0x0A, 0xAD, 0xAD, 0xE9, 0x66, 0xD1, 0x5A, 0x7D,
0x52, 0xCF, 0x4E, 0xD5, 0x6A, 0x4E, 0xAC, 0x8B,
0xD3, 0xA4, 0x4A, 0x14, 0x61, 0x1D, 0xC7, 0x47,
0x76, 0xCD, 0xE2, 0x7D, 0xAA, 0xAF, 0xD9, 0xDA,
0xBB, 0x09, 0x5D, 0xB5, 0xD7, 0xB5, 0xEB, 0x77,
0x54, 0xF5, 0x4D, 0x12, 0x52, 0x43, 0x59, 0x58,
0x9D, 0x1A, 0x2F, 0x4F, 0x9D, 0x08, 0x53, 0x8E,
0xE2, 0xC6, 0x10, 0xF7, 0x80, 0xEC, 0xF5, 0x88,
0xFD, 0xBB, 0x3A, 0x78, 0xD5, 0x4B, 0xCA, 0x2D,
0x62, 0x3F, 0x6E, 0xCE, 0x9E, 0x35, 0x52, 0xF2,
0x8C, 0x67, 0xCA, 0x8D, 0xFB, 0x7B, 0x73, 0xDD,
0x2A, 0x5F, 0x04, 0x5C, 0xA8, 0xDF, 0xB7, 0xB7,
0x3D, 0xD2, 0xA5, 0xF0, 0x40, 0x6C, 0xCD, 0x62,
0x3F, 0x6E, 0xCE, 0x9E, 0x35, 0x52, 0xF2, 0x8B,
0x58, 0x8F, 0xDB, 0xB3, 0xA7, 0x8D, 0x54, 0xBC,
0xA3, 0x33, 0x3B, 0x27, 0xA5, 0x3B, 0x17, 0x95,
0x78, 0x68, 0x54, 0xBB, 0x7A, 0xDD, 0xD5, 0x56,
0xBE, 0xA9, 0x25, 0xA1, 0xAB, 0xAC, 0xA7, 0x43,
0xE7, 0x4C, 0x36, 0x31, 0xA0, 0x7E, 0xE8, 0xC2,
0x1B, 0x7E, 0x81, 0xD9, 0xFC, 0xBB, 0x3F, 0x77,
0x28, 0x06, 0x6D, 0x62, 0x3F, 0x6E, 0xCE, 0x9E,
0x35, 0x52, 0xF2, 0x83, 0x39, 0xAE, 0x36, 0x6F,
0x62, 0x49, 0x71, 0x2C, 0xEC, 0x9E, 0xCC, 0xB9,
0x7D, 0x24, 0x92, 0x51, 0x5A, 0xAC, 0xF2, 0x96,
0x94, 0x2A, 0xAA, 0x57, 0xC5, 0x69, 0x29, 0x4E,
0xE8, 0x8F, 0x34, 0xA7, 0x1B, 0x44, 0xE2, 0x9C,
0x6E, 0xDD, 0xF4, 0x63, 0xB8, 0xA3, 0xC5, 0xF9,
0x76, 0x7E, 0xEE, 0x51, 0xC6, 0x39, 0x2E, 0x56,
0x3A, 0xB0, 0x92, 0x35, 0x69, 0xFE, 0x53, 0xE9,
0xAC, 0x1F, 0xE1, 0x7F, 0xEB, 0xA4, 0xAC, 0xF9,
0xFE, 0x93, 0xE7, 0x2B, 0x3D, 0x2F, 0xFA, 0xD9,
0x00, 0x1B, 0xFC, 0x42, 0x10, 0x0C, 0x9A, 0xD4,
0xBE, 0x39, 0x09, 0xCF, 0xBF, 0x67, 0xD5, 0x28,
0x4A, 0x08, 0x6D, 0xF2, 0xB2, 0xE5, 0xC3, 0x76,
0xC9, 0xB4, 0x8F, 0x47, 0x6B, 0xA0, 0xAA, 0x42,
0x25, 0xE9, 0x48, 0x8C, 0xF3, 0x4C, 0xA0, 0x6A,
0x42, 0x1D, 0xCE, 0x84, 0x61, 0x02, 0x6D, 0xDC,
0x64, 0xE4, 0xA7, 0x5B, 0xAB, 0x57, 0x61, 0x24,
0x31, 0x5A, 0x05, 0x7A, 0xDD, 0xD5, 0xDD, 0x6E,
0xF7, 0xA9, 0xAC, 0xAC, 0x4E, 0x91, 0x2F, 0xA1,
0x52, 0x74, 0x21, 0x4E, 0x1B, 0xCB, 0x18, 0x47,
0xDC, 0x34, 0xCC, 0xF6, 0xB0, 0xC4, 0xD7, 0x70,
0x59, 0xD4, 0x02, 0x99, 0x2E, 0x18, 0x99, 0x1E,
0x37, 0x3A, 0x9C, 0x00, 0xCF, 0x2E, 0x7F, 0xB2,
0xEE, 0xFF, 0x00, 0xFD, 0x38, 0xB9, 0x73, 0xFD,
0x97, 0x77, 0xFF, 0x00, 0xE9, 0xC6, 0xCC, 0x10,
0x0C, 0x67, 0xCB, 0x9F, 0xEC, 0xBB, 0xBF, 0xFF,
0x00, 0x4E, 0x38, 0xC7, 0x25, 0x3A, 0xDD, 0x5A,
0xBB, 0x09, 0x21, 0x8A, 0xD0, 0x2B, 0xD6, 0xEE,
0xAE, 0xEB, 0x77, 0xBD, 0x4D, 0x65, 0x62, 0x74,
0x89, 0x7D, 0x0A, 0x93, 0xA1, 0x0A, 0x70, 0xDE,
0x58, 0xC2, 0x3E, 0xE1, 0xBF, 0xC0, 0xCC, 0xC9,
0x70, 0xC4, 0xC8, 0xF1, 0xB9, 0xD4, 0xE0, 0x33,
0x33, 0xED, 0x9D, 0x6E, 0xB2, 0x9D, 0x84, 0xAE,
0xC5, 0x68, 0x15, 0xD5, 0x78, 0xD4, 0xF5, 0xBB,
0xDE, 0xBA, 0xAE, 0xAD, 0x3A, 0x34, 0xBE, 0x85,
0x49, 0xB1, 0x8D, 0x08, 0x6F, 0x24, 0x23, 0x1F,
0x70, 0x9F, 0x6C, 0xEB, 0x75, 0x94, 0xEC, 0x25,
0x76, 0x2B, 0x40, 0xAE, 0xAB, 0xC6, 0xA7, 0xAD,
0xDE, 0xF5, 0xD5, 0x75, 0x69, 0xD1, 0xA5, 0xF4,
0x2A, 0x4D, 0x8C, 0x68, 0x43, 0x79, 0x21, 0x18,
0xFB, 0x86, 0x99, 0x9E, 0xD6, 0x18, 0x9A, 0xEE,
0x0B, 0x3A, 0x80, 0x53, 0xDA, 0xC3, 0x13, 0x5D,
0xC1, 0x67, 0x50, 0x00, 0xCC, 0xCE, 0x4A, 0x75,
0xBA, 0xB5, 0x76, 0x12, 0x43, 0x15, 0xA0, 0x57,
0xAD, 0xDD, 0x5D, 0xD6, 0xEF, 0x7A, 0x9A, 0xCA,
0xC4, 0xE9, 0x12, 0xFA, 0x15, 0x27, 0x42, 0x14,
0xE1, 0xBC, 0xB1, 0x84, 0x7D, 0xC3, 0xB3, 0xE5,
0xCF, 0xF6, 0x5D, 0xDF, 0xFF, 0x00, 0xA7, 0x0C,
0xD3, 0x25, 0xC3, 0x13, 0x23, 0xC6, 0xE7, 0x53,
0x86, 0x60, 0x18, 0x01, 0x92, 0x9D, 0x6D, 0xC0,
0xF3, 0xDB, 0x76, 0xD7, 0x40, 0xAD, 0x3A, 0x55,
0x60, 0xEA, 0x97, 0xBD, 0x0B, 0x2D, 0x95, 0x01,
0x51, 0x7A, 0x75, 0x25, 0xA7, 0x4A, 0x31, 0xDC,
0x6C, 0x37, 0x6D, 0xDE, 0x3B, 0x3E, 0x5C, 0xFF,
0x00, 0x65, 0xDD, 0xFF, 0x00, 0xFA, 0x70, 0xCC,
0xE9, 0x71, 0x3A, 0xFB, 0xFE, 0xE0, 0xC9, 0x1E,
0x19, 0x80, 0x63, 0x3E, 0x5C, 0xFF, 0x00, 0x65,
0xDD, 0xFF, 0x00, 0xFA, 0x71, 0xC6, 0x39, 0x29,
0xD6, 0xEA, 0xD5, 0xD8, 0x49, 0x0C, 0x56, 0x81,
0x5E, 0xB7, 0x75, 0x77, 0x5B, 0xBD, 0xEA, 0x6B,
0x2B, 0x13, 0xA4, 0x4B, 0xE8, 0x54, 0x9D, 0x08,
0x53, 0x86, 0xF2, 0xC6, 0x11, 0xF7, 0x0D, 0xFE,
0x06, 0x66, 0x4B, 0x86, 0x26, 0x47, 0x8D, 0xCE,
0xA7, 0x00, 0xCC, 0x21, 0x08, 0x00, 0xCC, 0xF6,
0xB0, 0xC4, 0xD7, 0x70, 0x59, 0xD4, 0x02, 0x99,
0x2E, 0x18, 0x99, 0x1E, 0x37, 0x3A, 0x9C, 0x53,
0xDA, 0xC3, 0x13, 0x5D, 0xC1, 0x67, 0x50, 0x0A,
0x64, 0xB8, 0x62, 0x64, 0x78, 0xDC, 0xEA, 0x70,
0x0C, 0xC2, 0x10, 0x80, 0x40, 0x66, 0x64, 0xB8,
0x62, 0x64, 0x78, 0xDC, 0xEA, 0x70, 0xCC, 0x06,
0x66, 0x4B, 0x86, 0x26, 0x47, 0x8D, 0xCE, 0xA7,
0x01, 0x4F, 0x6B, 0x0C, 0x4D, 0x77, 0x05, 0x9D,
0x40, 0x29, 0xED, 0x61, 0x89, 0xAE, 0xE0, 0xB3,
0xA8, 0x05, 0x3D, 0xAC, 0x31, 0x35, 0xDC, 0x16,
0x75, 0x00, 0xA7, 0xB5, 0x86, 0x26, 0xBB, 0x82,
0xCE, 0xA0, 0x01, 0x4C, 0x97, 0x0C, 0x4C, 0x8F,
0x1B, 0x9D, 0x4E, 0x19, 0x86, 0x4D, 0x9A, 0xE3,
0xFB, 0x74, 0xEC, 0x5B, 0x89, 0x67, 0x59, 0x96,
0x99, 0xAB, 0xB0, 0x4A, 0xCA, 0x76, 0xAB, 0x42,
0xBD, 0xDE, 0xB4, 0x92, 0x85, 0x35, 0xA4, 0xA7,
0x9B, 0xCE, 0x31, 0x19, 0x4D, 0x2C, 0x4D, 0x38,
0xD2, 0xEC, 0x29, 0x77, 0xFA, 0xC2, 0x67, 0x2A,
0x37, 0x13, 0xED, 0xCF, 0x74, 0xAE, 0xFC, 0x10,
0x03, 0x33, 0x80, 0xFA, 0xCE, 0xFE, 0x13, 0xFC,
0xB0, 0xCD, 0x32, 0x5C, 0x31, 0x32, 0x3C, 0x6E,
0x75, 0x38, 0x00, 0x79, 0x2D, 0x4C, 0x84, 0xDA,
0x33, 0x13, 0x91, 0x69, 0x99, 0x95, 0xEB, 0x7C,
0x92, 0xB9, 0xA2, 0xF6, 0x75, 0x8A, 0xA3, 0xD1,
0xD3, 0xA0, 0x79, 0xA6, 0x1D, 0xCD, 0x3C, 0x84,
0x38, 0x90, 0x38, 0xD3, 0x89, 0xB4, 0x84, 0xDD,
0xEA, 0x0F, 0xF3, 0x25, 0xC3, 0x13, 0x23, 0xC6,
0xE7, 0x53, 0x80, 0x66, 0x03, 0x33, 0x25, 0xC3,
0x13, 0x23, 0xC6, 0xE7, 0x53, 0x86, 0x60, 0x33,
0x32, 0x5C, 0x31, 0x32, 0x3C, 0x6E, 0x75, 0x38,
0x06, 0x61, 0x08, 0x40, 0x06, 0x67, 0xB5, 0x86,
0x26, 0xBB, 0x82, 0xCE, 0xA0, 0x14, 0xC9, 0x70,
0xC4, 0xC8, 0xF1, 0xB9, 0xD4, 0xE2, 0x9E, 0xD6,
0x18, 0x9A, 0xEE, 0x0B, 0x3A, 0x80, 0x53, 0x25,
0xC3, 0x13, 0x23, 0xC6, 0xE7, 0x53, 0x80, 0x66,
0x10, 0x84, 0x02, 0x03, 0x33, 0x25, 0xC3, 0x13,
0x23, 0xC6, 0xE7, 0x53, 0x86, 0x60, 0x33, 0x32,
0x5C, 0x31, 0x32, 0x3C, 0x6E, 0x75, 0x38, 0x0A,
0x7B, 0x58, 0x62, 0x6B, 0xB8, 0x2C, 0xEA, 0x01,
0x4F, 0x6B, 0x0C, 0x4D, 0x77, 0x05, 0x9D, 0x40,
0x29, 0xED, 0x61, 0x89, 0xAE, 0xE0, 0xB3, 0xA8,
0x05, 0x3D, 0xAC, 0x31, 0x35, 0xDC, 0x16, 0x75,
0x00, 0x06, 0x61, 0x08, 0x40, 0x31, 0x9C, 0xEB,
0x65, 0x86, 0xEE, 0x5F, 0xD7, 0x2C, 0x93, 0xA6,
0x36, 0x66, 0x4D, 0x95, 0xB8, 0xFF, 0x00, 0x82,
0xDD, 0x88, 0x0F, 0xB5, 0x5A, 0xAA, 0x4E, 0xF9,
0xF8, 0x11, 0x21, 0x94, 0x52, 0x12, 0x9E, 0xF3,
0xA3, 0xBB, 0x61, 0x07, 0xB5, 0x35, 0xC6, 0x31,
0xEC, 0x4A, 0xCE, 0x25, 0x9D, 0x94, 0x19, 0x97,
0xD1, 0xA3, 0x72, 0x4A, 0x5B, 0x55, 0x9E, 0x4D,
0xD1, 0x75, 0x55, 0xBA, 0x88, 0x2D, 0x25, 0x21,
0xDD, 0x29, 0xE7, 0x10, 0xE3, 0xA9, 0x1C, 0x43,
0x8E, 0xDB, 0xBA, 0x94, 0x37, 0x10, 0x78, 0xB3,
0x80, 0xFA, 0xCE, 0xFE, 0x13, 0xFC, 0xB0, 0xCD,
0x32, 0x5C, 0x31, 0x32, 0x3C, 0x6E, 0x75, 0x38,
0x0B, 0x57, 0x6F, 0xDB, 0xB4, 0x5F, 0x82, 0x94,
0xBC, 0xC0, 0xCE, 0x6B, 0x8C, 0x63, 0xD8, 0x95,
0x9C, 0x4B, 0x3B, 0x28, 0x33, 0x2F, 0xA3, 0x46,
0xE4, 0x94, 0xB6, 0xAB, 0x3C, 0x9B, 0xA2, 0xEA,
0xAB, 0x75, 0x10, 0x5A, 0x4A, 0x43, 0xBA, 0x53,
0xCE, 0x21, 0xC7, 0x52, 0x38, 0x87, 0x1D, 0xB7,
0x75, 0x28, 0x6E, 0x20, 0xD6, 0x40, 0x66, 0x64,
0xB8, 0x62, 0x64, 0x78, 0xDC, 0xEA, 0x70, 0x16,
0xB1, 0x1F, 0xB7, 0x67, 0x4F, 0x1A, 0xA9, 0x79,
0x45, 0xAC, 0x47, 0xED, 0xD9, 0xD3, 0xC6, 0xAA,
0x5E, 0x50, 0xCC, 0x20, 0x19, 0x36, 0x74, 0x6D,
0x9B, 0xD8, 0x95, 0x9C, 0x4B, 0x45, 0x27, 0xB4,
0xCE, 0x5F, 0x46, 0xE4, 0x94, 0xB6, 0x5B, 0x44,
0xA5, 0xA5, 0x0A, 0xAB, 0x75, 0x10, 0x5A, 0x44,
0x53, 0x7A, 0x23, 0x0D, 0x21, 0xC7, 0x52, 0x38,
0x86, 0x9B, 0xB3, 0x75, 0x28, 0xEE, 0x20, 0xA6,
0xB8, 0xD9, 0xBD, 0x89, 0x25, 0xC4, 0xB3, 0xB2,
0x7B, 0x32, 0xE5, 0xF4, 0x92, 0x49, 0x45, 0x6A,
0xB3, 0xCA, 0x5A, 0x50, 0xAA, 0xA9, 0x5F, 0x15,
0xA4, 0xA5, 0x3B, 0xA2, 0x3C, 0xD2, 0x9C, 0x6D,
0x13, 0x8A, 0x71, 0xBB, 0x77, 0xD1, 0x8E, 0xE2,
0x84, 0xC9, 0xED, 0x61, 0x89, 0xAE, 0xE0, 0xB3,
0xA8, 0x05, 0x32, 0x5C, 0x31, 0x32, 0x3C, 0x6E,
0x75, 0x38, 0x0B, 0x58, 0x8F, 0xDB, 0xB3, 0xA7,
0x8D, 0x54, 0xBC, 0xA2, 0xD6, 0x23, 0xF6, 0xEC,
0xE9, 0xE3, 0x55, 0x2F, 0x28, 0x66, 0x10, 0x01,
0x9D, 0x62, 0x3F, 0x6E, 0xCE, 0x9E, 0x35, 0x52,
0xF2, 0x8F, 0x6A, 0x6B, 0x8C, 0xB4, 0xBA, 0xC5,
0xB8, 0x96, 0x75, 0x99, 0x69, 0x94, 0x6C, 0x12,
0xB2, 0x9D, 0xAA, 0xD0, 0xAF, 0x5A, 0x62, 0x4A,
0x14, 0xD6, 0x92, 0x9E, 0x6F, 0x38, 0xC2, 0x94,
0xD2, 0xC4, 0xD3, 0x8D, 0x2E, 0xC2, 0x97, 0x7F,
0xAC, 0x26, 0x08, 0x00, 0xCC, 0xF6, 0xB0, 0xC4,
0xD7, 0x70, 0x59, 0xD4, 0x02, 0x9E, 0xD6, 0x18,
0x9A, 0xEE, 0x0B, 0x3A, 0x80, 0x53, 0xDA, 0xC3,
0x13, 0x5D, 0xC1, 0x67, 0x50, 0x0A, 0x7B, 0x58,
0x62, 0x6B, 0xB8, 0x2C, 0xEA, 0x00, 0x0C, 0xC2,
0x10, 0x80, 0x63, 0x39, 0xC0, 0x7D, 0x67, 0x7F,
0x09, 0xFE, 0x58, 0x66, 0x99, 0x2E, 0x18, 0x99,
0x1E, 0x37, 0x3A, 0x9C, 0x0C, 0xCE, 0x03, 0xEB,
0x3B, 0xF8, 0x4F, 0xF2, 0xC3, 0x34, 0xC9, 0x70,
0xC4, 0xC8, 0xF1, 0xB9, 0xD4, 0xE0, 0x19, 0x80,
0xCC, 0xC9, 0x70, 0xC4, 0xC8, 0xF1, 0xB9, 0xD4,
0xE1, 0x98, 0x0C, 0xCC, 0x97, 0x0C, 0x4C, 0x8F,
0x1B, 0x9D, 0x4E, 0x03, 0xFF, 0xD9};
const int goodJpegImageWidth = 128;
const int goodJpegImageHeight = 128;
}; // namespace
// https://code.google.com/p/android/issues/detail?id=42382
// https://code.google.com/p/android/issues/detail?id=9064
// https://code.google.com/p/skia/issues/detail?id=1649
/**
This test will test the ability of the SkImageDecoder to deal with
Jpeg files which have been mangled somehow. We want to display as
much of the jpeg as possible.
*/
static void TestJpeg(skiatest::Reporter* reporter) {
size_t len = sizeof(goodJpegImage) / 2;
// I am explicitly not putting the entire image into the
// DecodeMemory. This simulates a network error.
SkBitmap bm8888;
bool imageDecodeSuccess = SkImageDecoder::DecodeMemory(
static_cast<void *>(goodJpegImage), len, &bm8888);
REPORTER_ASSERT(reporter, imageDecodeSuccess);
REPORTER_ASSERT(reporter, bm8888.width() == goodJpegImageWidth);
REPORTER_ASSERT(reporter, bm8888.height() == goodJpegImageHeight);
REPORTER_ASSERT(reporter, !(bm8888.empty()));
// Pick a few pixels and verify that their colors match the colors
// we expect (given the original image).
REPORTER_ASSERT(reporter, bm8888.getColor(7, 9) == 0xffffffff);
REPORTER_ASSERT(reporter, bm8888.getColor(28, 3) == 0xff000000);
REPORTER_ASSERT(reporter, bm8888.getColor(27, 34) == 0xffffffff);
REPORTER_ASSERT(reporter, bm8888.getColor(71, 18) == 0xff000000);
// This is the fill color
REPORTER_ASSERT(reporter, bm8888.getColor(127, 127) == SK_ColorWHITE);
#if JPEG_TEST_WRITE_TO_FILE_FOR_DEBUGGING
// Check to see that the resulting bitmap is nice
bool writeSuccess = (!(bm8888.empty())) && SkImageEncoder::EncodeFile(
"HalfOfAJpeg.png", bm8888, SkImageEncoder::kPNG_Type, 100);
SkASSERT(writeSuccess);
#endif
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("JpegTest", JpegTestClass, TestJpeg)
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