blob: 861498ca3d2e27523cbc532cce472d78e596a03a [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=8e3c8a9c1d0d2e9b8bf66e24d274f792
REG_FIDDLE(Pixmap_scalePixels, 256, 256, false, 3) {
void draw(SkCanvas* canvas) {
SkImageInfo info = SkImageInfo::MakeN32Premul(image->width(), image->height());
std::vector<int32_t> srcPixels;
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 offset : { 32, 64, 96 } ) {
info = SkImageInfo::MakeN32Premul(image->width() + offset, image->height());
rowBytes = info.width() * 4;
std::vector<int32_t> dstPixels;
dstPixels.resize(image->height() * rowBytes);
SkPixmap dstmap(info, &dstPixels.front(), rowBytes);
pixmap.scalePixels(dstmap, SkSamplingOptions(SkFilterMode::kLinear,
SkMipmapMode::kNearest));
SkBitmap bitmap;
bitmap.installPixels(dstmap);
canvas->translate(32, 32);
canvas->drawImage(bitmap.asImage(), 0, 0);
}
}
} // END FIDDLE