Flutter Engine
The Flutter Engine
Bitmap_tryAllocPixels_3.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_tryAllocPixels_3, 256, 50, false, 0) {
5void draw(SkCanvas* canvas) {
6 uint8_t set1[5] = { 0xCA, 0xDA, 0xCA, 0xC9, 0xA3 };
9 canvas->scale(10, 50);
10 canvas->drawImage(bitmap.asImage(), 0, 0);
11 if (bitmap.tryAllocPixels()) {
12 bitmap.eraseColor(SK_ColorBLACK);
13 canvas->drawImage(bitmap.asImage(), 8, 0);
14 bitmap.setPixels(set1);
15 canvas->drawImage(bitmap.asImage(), 16, 0);
16 }
17}
18} // END FIDDLE
REG_FIDDLE(Bitmap_tryAllocPixels_3, 256, 50, false, 0)
@ kOpaque_SkAlphaType
pixel is opaque
Definition: SkAlphaType.h:28
@ kGray_8_SkColorType
pixel with grayscale level in 8-bit byte
Definition: SkColorType.h:35
constexpr SkColor SK_ColorBLACK
Definition: SkColor.h:103
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition: aaclip.cpp:27
void scale(SkScalar sx, SkScalar sy)
Definition: SkCanvas.cpp:1289
void drawImage(const SkImage *image, SkScalar left, SkScalar top)
Definition: SkCanvas.h:1528
Definition: bitmap.py:1
static SkImageInfo Make(int width, int height, SkColorType ct, SkAlphaType at)