aosp12/external/skia/docs/examples/Canvas_drawBitmapRect_2.cpp

29 lines
1.5 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=0a3c6d2459566e58cee7d4910655ee21
REG_FIDDLE(Canvas_drawBitmapRect_2, 256, 64, false, 0) {
void draw(SkCanvas* canvas) {
uint8_t pixels[][8] = { { 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00},
{ 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00},
{ 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF},
{ 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF},
{ 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF},
{ 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF},
{ 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00},
{ 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00} };
SkBitmap bitmap;
bitmap.installPixels(SkImageInfo::MakeA8(8, 8),
(void*) pixels, sizeof(pixels[0]));
SkPaint paint;
for (auto color : { SK_ColorRED, SK_ColorBLUE, 0xFF007F00, 0xFF7f007f} ) {
paint.setColor(color);
canvas->drawImageRect(bitmap.asImage().get(),
SkRect::MakeWH(8, 8), SkRect::MakeWH(32, 32),
SkSamplingOptions({1.0f/3, 1.0f/3}), &paint,
SkCanvas::kStrict_SrcRectConstraint);
canvas->translate(48.25f, 0);
}
}
} // END FIDDLE