skia2/docs/examples/Bitmap_tryAllocPixels.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

19 lines
689 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=34479d5aa23ce9f5e334b0786c9edb22
REG_FIDDLE(Bitmap_tryAllocPixels, 256, 256, false, 3) {
void draw(SkCanvas* canvas) {
SkBitmap bitmap;
SkImageInfo info = SkImageInfo::Make(64, 256, kGray_8_SkColorType, kOpaque_SkAlphaType);
if (bitmap.tryAllocPixels(info, 0)) {
SkCanvas offscreen(bitmap);
offscreen.scale(.5f, .5f);
for (int x : { 0, 64, 128, 192 } ) {
offscreen.drawBitmap(source, -x, 0);
canvas->drawBitmap(bitmap, x, 0);
}
}
}
} // END FIDDLE