blob: 7645ef4d90dec6206d662c595968af6494135b3c [file] [log] [blame]
// 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=e18549b5ee1039cb61b0bb38c2104fc9
REG_FIDDLE(Pixmap_readPixels_4, 256, 256, false, 3) {
void draw(SkCanvas* canvas) {
SkImageInfo info = SkImageInfo::MakeN32Premul(image->width(), image->height());
std::vector<int32_t> srcPixels;
const int rowBytes = image->width() * 4;
srcPixels.resize(image->height() * rowBytes);
SkPixmap pixmap(info, (const void*) &srcPixels.front(), rowBytes);
image->readPixels(nullptr, pixmap, 0, 0);
for (int index = 0; index < 3; ++index ) {
std::vector<int32_t> dstPixels;
dstPixels.resize(image->height() * rowBytes);
SkPixmap dstmap(info, &dstPixels.front(), rowBytes);
pixmap.readPixels(dstmap);
SkBitmap bitmap;
bitmap.installPixels(dstmap);
canvas->translate(32, 32);
canvas->drawBitmap(bitmap, 0, 0);
}
}
} // END FIDDLE