1 #if 0 // Disabled until updated to use current API.
2 // Copyright 2019 Google LLC.
3 // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
4 #include "tools/fiddle/examples.h"
5 // HASH=22df72732e898a11773fbfe07388a546
6 REG_FIDDLE(ImageInfo_gammaCloseToSRGB, 256, 144, false, 0) {
7 void draw(SkCanvas* canvas) {
10 auto drawLabel = [=](const char* what, bool closeToSRGB) -> void {
12 string.printf("%s gamma is %s" "close to sRGB", what, closeToSRGB ? "" : "not ");
14 paint.setAntiAlias(true);
15 canvas->drawString(string, 20, 56, paint);
17 SkColor gradColors[] = { 0xFFFF7F00, 0xFF00FF7F, 0xFF0000FF, 0xFF7F7FFF };
18 SkPoint gradPoints[] = { { 0, 0 }, { width, 0 }, { width * 2, 0 }, { width * 3, 0 } };
20 gradPaint.setShader(SkGradientShader::MakeLinear(gradPoints, gradColors, nullptr,
21 SK_ARRAY_COUNT(gradColors), SkShader::kClamp_TileMode));
22 canvas->drawRect(SkRect::MakeWH(width, height), gradPaint);
23 drawLabel("canvas", canvas->imageInfo().gammaCloseToSRGB());
25 SkImageInfo offscreenInfo = SkImageInfo::MakeS32(width, height, kPremul_SkAlphaType);
26 bitmap.allocPixels(offscreenInfo);
27 SkCanvas sRGBOffscreen(bitmap);
28 sRGBOffscreen.drawRect(SkRect::MakeWH(width, height), gradPaint);
29 canvas->translate(0, 80);
30 canvas->drawBitmap(bitmap, 0, 0);
31 drawLabel("offscreen", offscreenInfo.gammaCloseToSRGB());
34 #endif // Disabled until updated to use current API.