skia2/docs/examples/Surface_readPixels_3.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

24 lines
856 B
C++

// 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=2d991a231e49d1de13eeb2ba9b440e01
REG_FIDDLE(Surface_readPixels_3, 256, 256, false, 0) {
void draw(SkCanvas* canvas) {
sk_sp<SkSurface> surf(SkSurface::MakeRasterN32Premul(64, 64));
auto surfCanvas = surf->getCanvas();
surfCanvas->clear(SK_ColorGREEN);
SkPaint paint;
surfCanvas->drawOval({2, 10, 58, 54}, paint);
SkImageInfo info = SkImageInfo::Make(64, 64, kBGRA_8888_SkColorType, kPremul_SkAlphaType);
SkBitmap bitmap;
bitmap.setInfo(info);
bitmap.allocPixels();
for (int x : { 32, -32 } ) {
for (int y : { 32, -32 } ) {
surf->readPixels(bitmap, x, y);
}
}
canvas->drawBitmap(bitmap, 0, 0);
}
} // END FIDDLE