skia2/docs/examples/Bitmap_readPixels_3.cpp
Mike Reed e1f72f9392 drawBitmap is deprecated
Bug: skia:11216
Change-Id: I15f7723e70cb6b252bf313530fd6d783a7635a00
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/360777
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2021-01-27 23:18:21 +00:00

22 lines
995 B
C++

// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "tools/fiddle/examples.h"
// HASH=4590fbf052659d6e629fbfd827081ae5
REG_FIDDLE(Bitmap_readPixels_3, 256, 128, false, 3) {
void draw(SkCanvas* canvas) {
std::vector<int32_t> srcPixels;
srcPixels.resize(source.height() * source.width() * 8);
for (int i = 0; i < 2; ++i) {
SkPixmap pixmap(SkImageInfo::Make(source.width() * 2, source.height(),
i ? kRGBA_8888_SkColorType : kBGRA_8888_SkColorType, kPremul_SkAlphaType),
&srcPixels.front() + i * source.width(), source.rowBytes() * 2);
source.readPixels(pixmap);
}
canvas->scale(.25f, .25f);
SkBitmap bitmap;
bitmap.installPixels(SkImageInfo::MakeN32Premul(source.width() * 2, source.height()),
&srcPixels.front(), source.rowBytes() * 2);
canvas->drawImage(bitmap.asImage(), 0, 0);
}
} // END FIDDLE