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third_party
skia
docs
examples
Canvas_readPixels_2.cpp
Go to the documentation of this file.
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.
3
#include "
tools/fiddle/examples.h
"
4
REG_FIDDLE
(Canvas_readPixels_2, 256, 256,
true
, 0) {
5
void
draw
(
SkCanvas
* canvas) {
6
canvas->
clear
(0x8055aaff);
7
uint32_t pixels[1] = { 0 };
8
SkPixmap
pixmap(
SkImageInfo::MakeN32Premul
(1, 1), pixels, 4);
9
canvas->
readPixels
(pixmap, 0, 0);
10
SkDebugf
(
"pixel = %08x\n"
, pixels[0]);
11
}
12
}
// END FIDDLE
REG_FIDDLE
REG_FIDDLE(Canvas_readPixels_2, 256, 256, true, 0)
Definition:
Canvas_readPixels_2.cpp:4
SkDebugf
void SK_SPI SkDebugf(const char format[],...) SK_PRINTF_LIKE(1
draw
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition:
aaclip.cpp:27
SkCanvas
Definition:
SkCanvas.h:106
SkCanvas::clear
void clear(SkColor color)
Definition:
SkCanvas.h:1199
SkCanvas::readPixels
bool readPixels(const SkImageInfo &dstInfo, void *dstPixels, size_t dstRowBytes, int srcX, int srcY)
Definition:
SkCanvas.cpp:382
SkPixmap
Definition:
SkPixmap.h:40
examples.h
SkImageInfo::MakeN32Premul
static SkImageInfo MakeN32Premul(int width, int height)
Definition:
SkImageInfo.cpp:157
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