30 lines
1.4 KiB
C++
30 lines
1.4 KiB
C++
// 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 "tools/fiddle/examples.h"
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// HASH=de418ccb42471d1589508ef3955f8c53
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REG_FIDDLE(ImageInfo_MakeS32, 256, 128, false, 0) {
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void draw(SkCanvas* canvas) {
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const int width = 256;
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const int height = 32;
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SkImageInfo info = SkImageInfo::MakeN32Premul(width, height);
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SkColor gradColors[] = { 0xFFAA0055, 0xFF11CC88 };
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SkPoint gradPoints[] = { { 0, 0 }, { width, 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), SkTileMode::kClamp));
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SkBitmap bitmap;
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bitmap.allocPixels(SkImageInfo::MakeN32(width, height, kPremul_SkAlphaType));
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SkCanvas offScreen(bitmap);
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offScreen.drawRect(SkRect::MakeWH(width, height), gradPaint);
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canvas->drawImage(bitmap.asImage(), 0, 0);
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bitmap.allocPixels(SkImageInfo::MakeS32(width, height, kPremul_SkAlphaType));
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SkCanvas sRGBOffscreen(bitmap);
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sRGBOffscreen.drawRect(SkRect::MakeWH(width, height), gradPaint);
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canvas->drawImage(bitmap.asImage(), 0, 48);
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SkBitmap noColorSpaceBitmap;
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noColorSpaceBitmap.setInfo(SkImageInfo::MakeN32(width, height, kPremul_SkAlphaType));
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noColorSpaceBitmap.setPixels(bitmap.getAddr(0, 0));
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canvas->drawImage(noColorSpaceBitmap.asImage(), 0, 96);
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}
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} // END FIDDLE
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