| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2016 Google Inc. | 2 * Copyright 2016 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "Resources.h" | 8 #include "Resources.h" |
| 9 #include "SkCodec.h" | 9 #include "SkCodec.h" |
| 10 #include "SkColorSpace.h" | 10 #include "SkColorSpace.h" |
| 11 #include "Test.h" | 11 #include "Test.h" |
| 12 | 12 |
| 13 #include "png.h" | 13 #include "png.h" |
| 14 | 14 |
| 15 static SkStreamAsset* resource(const char path[]) { | 15 static SkStreamAsset* resource(const char path[]) { |
| 16 SkString fullPath = GetResourcePath(path); | 16 SkString fullPath = GetResourcePath(path); |
| 17 return SkStream::NewFromFile(fullPath.c_str()); | 17 return SkStream::NewFromFile(fullPath.c_str()); |
| 18 } | 18 } |
| 19 | 19 |
| 20 #if (PNG_LIBPNG_VER_MAJOR > 1) || (PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_M
INOR >= 6) | 20 #if (PNG_LIBPNG_VER_MAJOR > 1) || (PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_M
INOR >= 6) |
| 21 static bool almost_equal(float a, float b) { | 21 static bool almost_equal(float a, float b) { |
| 22 return SkTAbs(a - b) < 0.0001f; | 22 return SkTAbs(a - b) < 0.0001f; |
| 23 } | 23 } |
| 24 #endif | 24 #endif |
| 25 | 25 |
| 26 DEF_TEST(ColorSpaceParseICCProfile, r) { | 26 DEF_TEST(ColorSpaceParseICCProfile, r) { |
| 27 SkAutoTDelete<SkStream> stream(resource("color_wheel_with_profile.png")); | 27 SkAutoTDelete<SkStream> stream(resource("color_wheel_with_profile.png")); |
| 28 REPORTER_ASSERT(r, nullptr != stream); | 28 REPORTER_ASSERT(r, nullptr != stream); |
| 29 | 29 |
| 30 SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(stream.detach())); | 30 SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(stream.release())); |
| 31 REPORTER_ASSERT(r, nullptr != codec); | 31 REPORTER_ASSERT(r, nullptr != codec); |
| 32 | 32 |
| 33 #if (PNG_LIBPNG_VER_MAJOR > 1) || (PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_M
INOR >= 6) | 33 #if (PNG_LIBPNG_VER_MAJOR > 1) || (PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_M
INOR >= 6) |
| 34 SkColorSpace* colorSpace = codec->getColorSpace(); | 34 SkColorSpace* colorSpace = codec->getColorSpace(); |
| 35 REPORTER_ASSERT(r, nullptr != colorSpace); | 35 REPORTER_ASSERT(r, nullptr != colorSpace); |
| 36 | 36 |
| 37 // No need to use almost equal here. The color profile that we have extract
ed | 37 // No need to use almost equal here. The color profile that we have extract
ed |
| 38 // actually has a table of gammas. And our current implementation guesses 2
.2f. | 38 // actually has a table of gammas. And our current implementation guesses 2
.2f. |
| 39 SkFloat3 gammas = colorSpace->gamma(); | 39 SkFloat3 gammas = colorSpace->gamma(); |
| 40 REPORTER_ASSERT(r, 2.2f == gammas.fVec[0]); | 40 REPORTER_ASSERT(r, 2.2f == gammas.fVec[0]); |
| 41 REPORTER_ASSERT(r, 2.2f == gammas.fVec[1]); | 41 REPORTER_ASSERT(r, 2.2f == gammas.fVec[1]); |
| 42 REPORTER_ASSERT(r, 2.2f == gammas.fVec[2]); | 42 REPORTER_ASSERT(r, 2.2f == gammas.fVec[2]); |
| 43 | 43 |
| 44 // These nine values were extracted from the color profile in isolation (bef
ore | 44 // These nine values were extracted from the color profile in isolation (bef
ore |
| 45 // we embedded it in the png). Here we check that we still extract the same
values. | 45 // we embedded it in the png). Here we check that we still extract the same
values. |
| 46 SkFloat3x3 xyz = colorSpace->xyz(); | 46 SkFloat3x3 xyz = colorSpace->xyz(); |
| 47 REPORTER_ASSERT(r, almost_equal(0.436066f, xyz.fMat[0])); | 47 REPORTER_ASSERT(r, almost_equal(0.436066f, xyz.fMat[0])); |
| 48 REPORTER_ASSERT(r, almost_equal(0.222488f, xyz.fMat[1])); | 48 REPORTER_ASSERT(r, almost_equal(0.222488f, xyz.fMat[1])); |
| 49 REPORTER_ASSERT(r, almost_equal(0.013916f, xyz.fMat[2])); | 49 REPORTER_ASSERT(r, almost_equal(0.013916f, xyz.fMat[2])); |
| 50 REPORTER_ASSERT(r, almost_equal(0.385147f, xyz.fMat[3])); | 50 REPORTER_ASSERT(r, almost_equal(0.385147f, xyz.fMat[3])); |
| 51 REPORTER_ASSERT(r, almost_equal(0.716873f, xyz.fMat[4])); | 51 REPORTER_ASSERT(r, almost_equal(0.716873f, xyz.fMat[4])); |
| 52 REPORTER_ASSERT(r, almost_equal(0.0970764f, xyz.fMat[5])); | 52 REPORTER_ASSERT(r, almost_equal(0.0970764f, xyz.fMat[5])); |
| 53 REPORTER_ASSERT(r, almost_equal(0.143066f, xyz.fMat[6])); | 53 REPORTER_ASSERT(r, almost_equal(0.143066f, xyz.fMat[6])); |
| 54 REPORTER_ASSERT(r, almost_equal(0.0606079f, xyz.fMat[7])); | 54 REPORTER_ASSERT(r, almost_equal(0.0606079f, xyz.fMat[7])); |
| 55 REPORTER_ASSERT(r, almost_equal(0.714096f, xyz.fMat[8])); | 55 REPORTER_ASSERT(r, almost_equal(0.714096f, xyz.fMat[8])); |
| 56 #endif | 56 #endif |
| 57 } | 57 } |
| OLD | NEW |