Flutter Engine
The Flutter Engine
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Canvas_readPixels_2.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.
4// HASH=85f199032943b6483722c34a91c4e20f
5REG_FIDDLE(Canvas_readPixels_2, 256, 256, true, 0) {
6void draw(SkCanvas* canvas) {
7 canvas->clear(0x8055aaff);
8 uint32_t pixels[1] = { 0 };
9 SkPixmap pixmap(SkImageInfo::MakeN32Premul(1, 1), pixels, 4);
10 canvas->readPixels(pixmap, 0, 0);
11 SkDebugf("pixel = %08x\n", pixels[0]);
12}
13} // END FIDDLE
void SK_SPI SkDebugf(const char format[],...) SK_PRINTF_LIKE(1
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition aaclip.cpp:27
void clear(SkColor color)
Definition SkCanvas.h:1199
bool readPixels(const SkImageInfo &dstInfo, void *dstPixels, size_t dstRowBytes, int srcX, int srcY)
Definition SkCanvas.cpp:386
#define REG_FIDDLE(NAME, W, H, TEXT, I)
Definition examples.h:60
static SkImageInfo MakeN32Premul(int width, int height)