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29 lines
1.1 KiB
29 lines
1.1 KiB
// 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=a803910ada4f8733f0b62456afead55f
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REG_FIDDLE(Surface_MakeRaster, 256, 256, true, 0) {
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void draw(SkCanvas* ) {
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SkImageInfo info = SkImageInfo::MakeN32Premul(3, 3);
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const size_t rowBytes = 64;
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sk_sp<SkSurface> surface(SkSurface::MakeRaster(info, rowBytes, nullptr));
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SkCanvas* canvas = surface->getCanvas();
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canvas->clear(SK_ColorWHITE);
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SkPixmap pixmap;
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if (surface->peekPixels(&pixmap)) {
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const uint32_t* colorPtr = pixmap.addr32();
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SkPMColor pmWhite = colorPtr[0];
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SkPaint paint;
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canvas->drawPoint(1, 1, paint);
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canvas->flush(); // ensure that point was drawn
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for (int y = 0; y < info.height(); ++y) {
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for (int x = 0; x < info.width(); ++x) {
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SkDebugf("%c", colorPtr[x] == pmWhite ? '-' : 'x');
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}
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colorPtr += rowBytes / sizeof(colorPtr[0]);
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SkDebugf("\n");
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}
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}
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}
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} // END FIDDLE
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