Flutter Engine
The Flutter Engine
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Bitmap_computeByteSize.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=165c8f208829fc0908e8a50da60c0076
5REG_FIDDLE(Bitmap_computeByteSize, 256, 256, true, 0) {
6void draw(SkCanvas* canvas) {
8 for (int width : { 1, 1000, 1000000 } ) {
9 for (int height: { 1, 1000, 1000000 } ) {
11 bitmap.setInfo(imageInfo, width * 5);
12 SkDebugf("width: %7d height: %7d computeByteSize: %13zu\n", width, height,
13 bitmap.computeByteSize());
14 }
15 }
16}
17} // END FIDDLE
@ kPremul_SkAlphaType
pixel components are premultiplied by alpha
Definition SkAlphaType.h:29
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
#define REG_FIDDLE(NAME, W, H, TEXT, I)
Definition examples.h:60
int32_t height
int32_t width
static SkImageInfo MakeN32(int width, int height, SkAlphaType at)