2019-03-15 18:22:51 +00:00
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#if 0 // Disabled until updated to use current API.
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// Copyright 2019 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "fiddle/examples.h"
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// HASH=22df72732e898a11773fbfe07388a546
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2019-03-18 20:06:34 +00:00
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REG_FIDDLE(ImageInfo_gammaCloseToSRGB, 256, 144, false, 0) {
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2019-03-15 18:22:51 +00:00
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void draw(SkCanvas* canvas) {
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const int width = 256;
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const int height = 64;
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auto drawLabel = [=](const char* what, bool closeToSRGB) -> void {
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SkString string;
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string.printf("%s gamma is %s" "close to sRGB", what, closeToSRGB ? "" : "not ");
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SkPaint paint;
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paint.setAntiAlias(true);
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canvas->drawString(string, 20, 56, paint);
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};
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SkColor gradColors[] = { 0xFFFF7F00, 0xFF00FF7F, 0xFF0000FF, 0xFF7F7FFF };
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SkPoint gradPoints[] = { { 0, 0 }, { width, 0 }, { width * 2, 0 }, { width * 3, 0 } };
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SkPaint gradPaint;
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gradPaint.setShader(SkGradientShader::MakeLinear(gradPoints, gradColors, nullptr,
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SK_ARRAY_COUNT(gradColors), SkShader::kClamp_TileMode));
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canvas->drawRect(SkRect::MakeWH(width, height), gradPaint);
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drawLabel("canvas", canvas->imageInfo().gammaCloseToSRGB());
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SkBitmap bitmap;
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SkImageInfo offscreenInfo = SkImageInfo::MakeS32(width, height, kPremul_SkAlphaType);
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bitmap.allocPixels(offscreenInfo);
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SkCanvas sRGBOffscreen(bitmap);
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sRGBOffscreen.drawRect(SkRect::MakeWH(width, height), gradPaint);
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canvas->translate(0, 80);
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canvas->drawBitmap(bitmap, 0, 0);
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drawLabel("offscreen", offscreenInfo.gammaCloseToSRGB());
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}
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} // END FIDDLE
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#endif // Disabled until updated to use current API.
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