Flutter Engine
The Flutter Engine
Bitmap_tryAllocN32Pixels.cpp
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1// Copyright 2019 Google LLC.
2// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
4REG_FIDDLE(Bitmap_tryAllocN32Pixels, 256, 160, false, 0) {
5void draw(SkCanvas* canvas) {
7 if (bitmap.tryAllocN32Pixels(80, 80)) {
8 bitmap.eraseColor(SK_ColorTRANSPARENT);
9 bitmap.erase(0x7f3f7fff, SkIRect::MakeWH(50, 30));
10 bitmap.erase(0x3f7fff3f, SkIRect::MakeXYWH(20, 10, 50, 30));
11 bitmap.erase(0x5fff3f7f, SkIRect::MakeXYWH(40, 20, 50, 30));
12 canvas->drawImage(bitmap.asImage(), 0, 0);
13 for (int x : { 0, 30, 60, 90 } ) {
14 canvas->drawImage(bitmap.asImage(), x, 70);
15 }
16 }
17}
18} // END FIDDLE
REG_FIDDLE(Bitmap_tryAllocN32Pixels, 256, 160, false, 0)
constexpr SkColor SK_ColorTRANSPARENT
Definition: SkColor.h:99
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition: aaclip.cpp:27
void drawImage(const SkImage *image, SkScalar left, SkScalar top)
Definition: SkCanvas.h:1528
double x
Definition: bitmap.py:1
static constexpr SkIRect MakeWH(int32_t w, int32_t h)
Definition: SkRect.h:56
static constexpr SkIRect MakeXYWH(int32_t x, int32_t y, int32_t w, int32_t h)
Definition: SkRect.h:104