| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "gm/gm.h" |
| #include "include/codec/SkCodec.h" |
| #include "include/core/SkBitmap.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkColor.h" |
| #include "include/core/SkColorSpace.h" |
| #include "include/core/SkData.h" |
| #include "include/core/SkImage.h" |
| #include "include/core/SkImageInfo.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkSize.h" |
| #include "include/core/SkString.h" |
| #include "include/gpu/GrDirectContext.h" |
| #include "src/core/SkImagePriv.h" |
| #include "tools/Resources.h" |
| |
| #include <initializer_list> |
| #include <memory> |
| |
| sk_sp<SkImage> make_raster_image(const char* path) { |
| sk_sp<SkData> resourceData = GetResourceAsData(path); |
| std::unique_ptr<SkCodec> codec = SkCodec::MakeFromData(resourceData); |
| |
| return std::get<0>(codec->getImage()); |
| } |
| |
| sk_sp<SkImage> make_color_space(sk_sp<SkImage> orig, |
| sk_sp<SkColorSpace> colorSpace, |
| SkCanvas* canvas) { |
| if (!orig) { |
| return nullptr; |
| } |
| |
| sk_sp<SkImage> xform; |
| #ifdef SK_GRAPHITE_ENABLED |
| if (auto recorder = canvas->recorder()) { |
| xform = orig->makeColorSpace(colorSpace, recorder); |
| } else |
| #endif |
| { |
| auto direct = GrAsDirectContext(canvas->recordingContext()); |
| xform = orig->makeColorSpace(colorSpace, direct); |
| } |
| |
| if (!xform) { |
| return nullptr; |
| } |
| |
| // Assign an sRGB color space on the xformed image, so we can see the effects of the xform |
| // when we draw. |
| sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB(); |
| if (colorSpace->gammaIsLinear()) { |
| srgb = SkColorSpace::MakeSRGBLinear(); |
| } |
| return xform->reinterpretColorSpace(std::move(srgb)); |
| } |
| |
| DEF_SIMPLE_GM_CAN_FAIL(makecolorspace, canvas, errorMsg, 128 * 3, 128 * 4) { |
| sk_sp<SkColorSpace> wideGamut = SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, |
| SkNamedGamut::kAdobeRGB); |
| sk_sp<SkColorSpace> wideGamutLinear = wideGamut->makeLinearGamma(); |
| |
| // Lazy images |
| sk_sp<SkImage> opaqueImage = GetResourceAsImage("images/mandrill_128.png"); |
| sk_sp<SkImage> premulImage = GetResourceAsImage("images/color_wheel.png"); |
| if (!opaqueImage || !premulImage) { |
| *errorMsg = "Failed to load images. Did you forget to set the resourcePath?"; |
| return skiagm::DrawResult::kFail; |
| } |
| |
| canvas->drawImage(opaqueImage, 0.0f, 0.0f); |
| canvas->drawImage(make_color_space(opaqueImage, wideGamut, canvas), 128.0f, 0.0f); |
| canvas->drawImage(make_color_space(opaqueImage, wideGamutLinear, canvas), 256.0f, 0.0f); |
| canvas->drawImage(premulImage, 0.0f, 128.0f); |
| canvas->drawImage(make_color_space(premulImage, wideGamut, canvas), 128.0f, 128.0f); |
| canvas->drawImage(make_color_space(premulImage, wideGamutLinear, canvas), 256.0f, 128.0f); |
| canvas->translate(0.0f, 256.0f); |
| |
| // Raster images |
| opaqueImage = make_raster_image("images/mandrill_128.png"); |
| premulImage = make_raster_image("images/color_wheel.png"); |
| canvas->drawImage(opaqueImage, 0.0f, 0.0f); |
| canvas->drawImage(make_color_space(opaqueImage, wideGamut, canvas), 128.0f, 0.0f); |
| canvas->drawImage(make_color_space(opaqueImage, wideGamutLinear, canvas), 256.0f, 0.0f); |
| canvas->drawImage(premulImage, 0.0f, 128.0f); |
| canvas->drawImage(make_color_space(premulImage, wideGamut, canvas), 128.0f, 128.0f); |
| canvas->drawImage(make_color_space(premulImage, wideGamutLinear, canvas), 256.0f, 128.0f); |
| return skiagm::DrawResult::kOk; |
| } |
| |
| DEF_SIMPLE_GM_BG(makecolortypeandspace, canvas, 128 * 3, 128 * 4, SK_ColorWHITE) { |
| sk_sp<SkImage> images[] = { |
| GetResourceAsImage("images/mandrill_128.png"), |
| GetResourceAsImage("images/color_wheel.png"), |
| }; |
| auto rec2020 = SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, SkNamedGamut::kRec2020); |
| |
| // Use the lazy images on the first iteration, and concrete (raster/GPU) images on the second |
| auto direct = GrAsDirectContext(canvas->recordingContext()); |
| for (bool lazy : {true, false}) { |
| for (size_t j = 0; j < std::size(images); ++j) { |
| const SkImage* image = images[j].get(); |
| if (!image) { |
| // Can happen on bots that abandon the GPU context |
| continue; |
| } |
| |
| // Unmodified |
| canvas->drawImage(image, 0, 0); |
| |
| // Change the color type/space of the image in a couple ways. In both cases, codec |
| // may fail, because we refuse to decode transparent sources to opaque color types. |
| // Guard against that, to avoid cascading failures in DDL. |
| |
| // 565 in a wide color space (should be visibly quantized). Fails with the color_wheel, |
| // because of the codec issues mentioned above. |
| sk_sp<SkImage> image565; |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| if (auto recorder = canvas->recorder()) { |
| image565 = image->makeColorTypeAndColorSpace(kRGB_565_SkColorType, |
| rec2020, recorder); |
| } else |
| #endif |
| { |
| image565 = image->makeColorTypeAndColorSpace(kRGB_565_SkColorType, |
| rec2020, direct); |
| } |
| if (image565) { |
| if (!lazy || image565->isTextureBacked() || image565->makeRasterImage()) { |
| canvas->drawImage(image565, 128, 0); |
| } |
| } |
| |
| // Grayscale in the original color space. This fails in even more cases, due to the |
| // above opaque issue, and because Ganesh doesn't support drawing to gray, at all. |
| sk_sp<SkImage> imageGray; |
| #ifdef SK_GRAPHITE_ENABLED |
| if (auto recorder = canvas->recorder()) { |
| imageGray = image->makeColorTypeAndColorSpace(kGray_8_SkColorType, |
| image->refColorSpace(), |
| recorder); |
| } else |
| #endif |
| { |
| imageGray = image->makeColorTypeAndColorSpace(kGray_8_SkColorType, |
| image->refColorSpace(), |
| direct); |
| } |
| if (imageGray) { |
| if (!lazy || imageGray->isTextureBacked() || imageGray->makeRasterImage()) { |
| canvas->drawImage(imageGray, 256, 0); |
| } |
| } |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| if (auto recorder = canvas->recorder()) { |
| images[j] = image->makeTextureImage(recorder); |
| } else |
| #endif |
| { |
| images[j] = direct ? image->makeTextureImage(direct) : image->makeRasterImage(); |
| } |
| |
| canvas->translate(0, 128); |
| } |
| } |
| } |
| |
| DEF_SIMPLE_GM_CAN_FAIL(reinterpretcolorspace, canvas, errorMsg, 128 * 3, 128 * 3) { |
| // We draw a 3x3 grid. The three rows are lazy (encoded), raster, and GPU (or another copy of |
| // raster so all configs look similar). In each row, we draw three variants: |
| // - The original image (should look normal). |
| // - The image, reinterpreted as being in the color-spin space. The pixel data isn't changed, |
| // so in untagged configs, this looks like the first column. In tagged configs, this has the |
| // the effect of rotating the colors (RGB -> GBR). |
| // - The image converted to the color-spin space, then reinterpreted as being sRGB. In all |
| // configs, this appears to be spun backwards (RGB -> BRG), and tests the composition of |
| // these two APIs. |
| |
| // In all cases, every column should be identical. In tagged configs, the 'R' in the columns |
| // should be Red, Green, Blue. |
| |
| sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB(); |
| sk_sp<SkColorSpace> spin = srgb->makeColorSpin(); |
| sk_sp<SkImage> image = GetResourceAsImage("images/color_wheel.png"); |
| if (!image) { |
| *errorMsg = "Failed to load image. Did you forget to set the resourcePath?"; |
| return skiagm::DrawResult::kFail; |
| } |
| |
| // Lazy images |
| canvas->drawImage(image, 0.0f, 0.0f); |
| canvas->drawImage(image->reinterpretColorSpace(spin), 128.0f, 0.0f); |
| canvas->drawImage(image->makeColorSpace(spin)->reinterpretColorSpace(srgb), 256.0f, 0.0f); |
| |
| canvas->translate(0.0f, 128.0f); |
| |
| // Raster images |
| image = image->makeRasterImage(); |
| canvas->drawImage(image, 0.0f, 0.0f); |
| canvas->drawImage(image->reinterpretColorSpace(spin), 128.0f, 0.0f); |
| canvas->drawImage(image->makeColorSpace(spin)->reinterpretColorSpace(srgb), 256.0f, 0.0f); |
| |
| canvas->translate(0.0f, 128.0f); |
| |
| // GPU images |
| auto direct = GrAsDirectContext(canvas->recordingContext()); |
| |
| sk_sp<SkImage> gpuImage; |
| #ifdef SK_GRAPHITE_ENABLED |
| if (auto recorder = canvas->recorder()) { |
| gpuImage = image->makeTextureImage(recorder); |
| } else |
| #endif |
| { |
| gpuImage = image->makeTextureImage(direct); |
| } |
| if (gpuImage) { |
| image = gpuImage; |
| } |
| |
| canvas->drawImage(image, 0.0f, 0.0f); |
| canvas->drawImage(image->reinterpretColorSpace(spin), 128.0f, 0.0f); |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| if (auto recorder = canvas->recorder()) { |
| gpuImage = image->makeColorSpace(spin, recorder); |
| } else |
| #endif |
| { |
| gpuImage = image->makeColorSpace(spin, direct); |
| } |
| if (gpuImage) { |
| canvas->drawImage(gpuImage->reinterpretColorSpace(srgb), 256.0f, 0.0f); |
| } |
| |
| return skiagm::DrawResult::kOk; |
| } |