skia2/docs/examples/Pixmap_reset_2.cpp
Hal Canary d88c2e8e09 Docs: rename examples files to match names
Change-Id: I9a6b2780cfdd91cdd16d5a08eb9ba1214492cb7e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201982
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
2019-03-19 18:49:22 +00:00

23 lines
996 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 "fiddle/examples.h"
// HASH=9a392b753167cfa849cebeefd5a6e07d
REG_FIDDLE(Pixmap_reset_2, 256, 64, false, 4) {
void draw(SkCanvas* canvas) {
std::vector<int32_t> pixels;
pixels.resize(image->height() * image->width() * 4);
SkPixmap pixmap(SkImageInfo::Make(image->width(), image->height(), kN32_SkColorType,
image->alphaType()), (const void*) &pixels.front(), image->width() * 4);
image->readPixels(pixmap, 0, 0);
int x = 0;
for (auto colorType : { kRGBA_8888_SkColorType, kBGRA_8888_SkColorType } ) {
pixmap.reset(SkImageInfo::Make(image->width(), image->height(), colorType,
image->alphaType()), (const void*) &pixels.front(), image->width() * 4);
SkBitmap bitmap;
bitmap.installPixels(pixmap);
canvas->drawBitmap(bitmap, x, 0);
x += 128;
}
}
} // END FIDDLE