skia2/docs/examples/draw_a8_bitmap.cpp
Mike Reed ecdd979bc0 drawBitmap is deprecated
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>
2021-01-28 02:44:21 +00:00

19 lines
674 B
C++

// Copyright 2020 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"
REG_FIDDLE(draw_a8_bitmap, 256, 256, false, 3) {
void draw(SkCanvas* canvas) {
SkBitmap bitmap;
bitmap.allocPixels(SkImageInfo::MakeA8(256, 256));
for (int y = 0; y < bitmap.height(); ++y) {
for (int x = 0; x < bitmap.width(); ++x) {
*bitmap.getAddr8(x, y) = (2 * x + 2 * y) & 0xFF;
}
}
SkPaint paint;
paint.setColor(0xFF00FF00);
canvas->clear(0xFF000000);
canvas->drawImage(bitmap.asImage(), 0, 0, SkSamplingOptions(), &paint);
}
} // END FIDDLE