skia2/docs/examples/Surface_MakeRasterDirect.cpp
Hal Canary d88c2e8e09 Docs: rename examples files to match names
Change-Id: I9a6b2780cfdd91cdd16d5a08eb9ba1214492cb7e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201982
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
2019-03-19 18:49:22 +00:00

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// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "fiddle/examples.h"
// HASH=3f5aeb870104187643197354a7f1d27a
REG_FIDDLE(Surface_MakeRasterDirect, 256, 256, true, 0) {
void draw(SkCanvas* ) {
SkImageInfo info = SkImageInfo::MakeN32Premul(3, 3);
const size_t size = info.computeMinByteSize();
SkAutoTMalloc<SkPMColor> storage(size);
SkPMColor* pixels = storage.get();
sk_sp<SkSurface> surface(SkSurface::MakeRasterDirect(info, pixels, info.minRowBytes()));
SkCanvas* canvas = surface->getCanvas();
canvas->clear(SK_ColorWHITE);
SkPMColor pmWhite = pixels[0];
SkPaint paint;
canvas->drawPoint(1, 1, paint);
canvas->flush(); // ensure that point was drawn
for (int y = 0; y < info.height(); ++y) {
for (int x = 0; x < info.width(); ++x) {
SkDebugf("%c", *pixels++ == pmWhite ? '-' : 'x');
}
SkDebugf("\n");
}
}
} // END FIDDLE