ecdd979bc0
Bug: skia:11216 Change-Id: I4affb8e00ff7e7b3e8d873ddfd653f397ca8d928 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/360979 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Mike Reed <reed@google.com>
28 lines
1.2 KiB
C++
28 lines
1.2 KiB
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=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
|