| #if 0 // Disabled until updated to use current API. |
| // Copyright 2019 Google LLC. |
| // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. |
| #include "tools/fiddle/examples.h" |
| // HASH=fe3c5a755d3dde29bba058a583f18901 |
| REG_FIDDLE(ImageInfo_makeColorSpace, 256, 224, false, 0) { |
| void draw(SkCanvas* canvas) { |
| const int width = 256; |
| const int height = 64; |
| auto drawLabel = [=](const char* what, bool closeToSRGB) -> void { |
| SkString string; |
| string.printf("%s gamma is %s" "close to sRGB", what, closeToSRGB ? "" : "not "); |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| canvas->drawString(string, 20, 56, paint); |
| }; |
| SkColor gradColors[] = { 0xFFFF7F00, 0xFF00FF7F, 0xFF0000FF, 0xFF7F7FFF }; |
| SkPoint gradPoints[] = { { 0, 0 }, { width, 0 }, { width * 2, 0 }, { width * 3, 0 } }; |
| SkPaint gradPaint; |
| gradPaint.setShader(SkGradientShader::MakeLinear(gradPoints, gradColors, nullptr, |
| std::size(gradColors), SkShader::kClamp_TileMode)); |
| canvas->drawRect(SkRect::MakeWH(width, height), gradPaint); |
| drawLabel("canvas", canvas->imageInfo().gammaCloseToSRGB()); |
| SkBitmap bitmap; |
| SkImageInfo offscreenInfo = SkImageInfo::MakeS32(width, height, kPremul_SkAlphaType); |
| bitmap.allocPixels(offscreenInfo); |
| SkCanvas sRGBOffscreen(bitmap); |
| sRGBOffscreen.drawRect(SkRect::MakeWH(width, height), gradPaint); |
| canvas->translate(0, 80); |
| canvas->drawBitmap(bitmap, 0, 0); |
| drawLabel("offscreen", offscreenInfo.gammaCloseToSRGB()); |
| SkImageInfo linearGamma = |
| offscreenInfo.makeColorSpace(offscreenInfo.colorSpace()->makeLinearGamma()); |
| bitmap.allocPixels(linearGamma); |
| SkCanvas lgOffscreen(bitmap); |
| lgOffscreen.drawRect(SkRect::MakeWH(width, height), gradPaint); |
| canvas->translate(0, 80); |
| canvas->drawBitmap(bitmap, 0, 0); |
| drawLabel("linear", linearGamma.gammaCloseToSRGB()); |
| } |
| } // END FIDDLE |
| #endif // Disabled until updated to use current API. |