19 lines
644 B
C++
19 lines
644 B
C++
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// Copyright 2020 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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REG_FIDDLE(draw_a8_bitmap, 256, 256, false, 3) {
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void draw(SkCanvas* canvas) {
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SkBitmap bitmap;
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bitmap.allocPixels(SkImageInfo::MakeA8(256, 256));
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for (int y = 0; y < bitmap.height(); ++y) {
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for (int x = 0; x < bitmap.width(); ++x) {
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*bitmap.getAddr8(x, y) = (2 * x + 2 * y) & 0xFF;
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}
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}
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SkPaint paint;
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paint.setColor(0xFF00FF00);
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canvas->clear(0xFF000000);
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canvas->drawBitmap(bitmap, 0, 0, &paint);
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}
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} // END FIDDLE
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