Flutter Engine
The Flutter Engine
Image_RasterFromPixmapCopy.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(Image_RasterFromPixmapCopy, 256, 50, false, 0) {
5void draw(SkCanvas* canvas) {
6 uint8_t storage[][5] = {{ 0xCA, 0xDA, 0xCA, 0xC9, 0xA3 },
7 { 0xAC, 0xA8, 0x89, 0xA7, 0x87 },
8 { 0x9B, 0xB5, 0xE5, 0x95, 0x46 },
9 { 0x90, 0x81, 0xC5, 0x71, 0x33 },
10 { 0x75, 0x55, 0x44, 0x40, 0x30 }};
12 SkPixmap pixmap(imageInfo, storage[0], sizeof(storage) / 5);
14 bitmap.installPixels(pixmap);
16 *pixmap.writable_addr8(2, 2) = 0x00;
17 canvas->scale(10, 10);
18 canvas->drawImage(bitmap.asImage(), 0, 0);
19 canvas->drawImage(image, 10, 0);
20}
21} // END FIDDLE
REG_FIDDLE(Image_RasterFromPixmapCopy, 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
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
uint8_t * writable_addr8(int x, int y) const
Definition: SkPixmap.h:508
SK_API sk_sp< SkImage > RasterFromPixmapCopy(const SkPixmap &pixmap)
sk_sp< const SkImage > image
Definition: SkRecords.h:269
Definition: bitmap.py:1
static SkImageInfo Make(int width, int height, SkColorType ct, SkAlphaType at)