34 lines
1.3 KiB
C++
34 lines
1.3 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=8e6530b26ab4096a9a91cfaadda1c568
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REG_FIDDLE(Surface_MakeRasterDirectReleaseProc, 256, 256, true, 0) {
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static void release_direct_surface_storage(void* pixels, void* context) {
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if (pixels == context) {
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SkDebugf("expected release context\n");
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}
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sk_free(pixels);
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}
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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 = info.minRowBytes();
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void* pixels = sk_malloc_throw(info.computeByteSize(rowBytes));
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sk_sp<SkSurface> surface(SkSurface::MakeRasterDirectReleaseProc(info, pixels, rowBytes,
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release_direct_surface_storage, pixels));
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SkCanvas* canvas = surface->getCanvas();
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canvas->clear(SK_ColorWHITE);
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SkPMColor* colorPtr = (SkPMColor*) pixels;
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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++ == pmWhite ? '-' : 'x');
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}
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SkDebugf("\n");
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}
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}
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} // END FIDDLE
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