2019-03-15 18:22:51 +00:00
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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=809284db136748208b3efc31cd89de29
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2019-03-18 20:06:34 +00:00
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REG_FIDDLE(Pixmap_writable_addr8, 256, 64, 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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uint8_t storage[][5] = {{ 0, 0, 64, 0, 0},
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{ 0, 128, 255, 128, 0},
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{64, 255, 255, 255, 64},
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{ 0, 128, 255, 128, 0},
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{ 0, 0, 64, 0, 0}};
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SkImageInfo imageInfo = SkImageInfo::Make(5, 5, kGray_8_SkColorType, kPremul_SkAlphaType);
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SkPixmap pixmap(imageInfo, storage[0], 5);
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SkBitmap bitmap;
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bitmap.installPixels(pixmap);
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canvas->scale(10, 10);
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canvas->drawBitmap(bitmap, 0, 0);
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*pixmap.writable_addr8(2, 2) = 0;
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// bitmap.installPixels(pixmap); // uncomment to fix on GPU
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canvas->drawBitmap(bitmap, 10, 0);
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}
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} // END FIDDLE
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