skia2/docs/examples/ImageInfo_makeWH.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
890 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=cd203a3f9c5fb68272f21f302dd54fbc
REG_FIDDLE(ImageInfo_makeWH, 256, 144, false, 3) {
void draw(SkCanvas* canvas) {
SkImageInfo canvasImageInfo = canvas->imageInfo();
SkRect canvasBounds = SkRect::Make(canvasImageInfo.bounds());
canvas->drawBitmapRect(source, source.bounds(), canvasBounds, nullptr);
SkImageInfo insetImageInfo =
canvasImageInfo.makeWH(canvasBounds.width() / 2, canvasBounds.height() / 2);
SkBitmap inset;
inset.allocPixels(insetImageInfo);
SkCanvas offscreen(inset);
offscreen.drawBitmapRect(source, source.bounds(), SkRect::Make(inset.bounds()), nullptr);
canvas->drawBitmap(inset, canvasBounds.width() / 4, canvasBounds.height() / 4);
}
} // END FIDDLE