skia2/docs/examples/Canvas_drawImageRect.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

28 lines
1.2 KiB
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=bfd18e9cac896cdf94c9f154ccf94be8
REG_FIDDLE(Canvas_drawImageRect, 256, 64, false, 0) {
void draw(SkCanvas* canvas) {
uint32_t pixels[][4] = {
{ 0xFFFF0000, 0xFFFF0000, 0xFFFF0000, 0xFFFF0000 },
{ 0xFFFF0000, 0xFF000000, 0xFFFFFFFF, 0xFFFF0000 },
{ 0xFFFF0000, 0xFFFFFFFF, 0xFF000000, 0xFFFF0000 },
{ 0xFFFF0000, 0xFFFF0000, 0xFFFF0000, 0xFFFF0000 } };
SkBitmap redBorder;
redBorder.installPixels(SkImageInfo::MakeN32Premul(4, 4),
(void*) pixels, sizeof(pixels[0]));
sk_sp<SkImage> image = SkImage::MakeFromBitmap(redBorder);
SkPaint lowPaint;
for (auto constraint : {
SkCanvas::kFast_SrcRectConstraint,
SkCanvas::kStrict_SrcRectConstraint,
SkCanvas::kFast_SrcRectConstraint } ) {
canvas->drawImageRect(image.get(), SkRect::MakeLTRB(1, 1, 3, 3),
SkRect::MakeLTRB(16, 16, 48, 48), &lowPaint, constraint);
lowPaint.setFilterQuality(kLow_SkFilterQuality);
canvas->translate(80, 0);
}
}
} // END FIDDLE