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

27 lines
1.3 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=4a521be1f850058541e136a808c65e78
REG_FIDDLE(Canvas_drawBitmap, 256, 64, false, 0) {
void draw(SkCanvas* canvas) {
uint8_t pixels[][8] = { { 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00},
{ 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00},
{ 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00},
{ 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF},
{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
{ 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00},
{ 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00},
{ 0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF} };
SkBitmap bitmap;
bitmap.installPixels(SkImageInfo::MakeA8(8, 8),
(void*) pixels, sizeof(pixels[0]));
SkPaint paint;
canvas->scale(4, 4);
for (auto color : { SK_ColorRED, SK_ColorBLUE, 0xFF007F00} ) {
paint.setColor(color);
canvas->drawImage(bitmap.asImage(), 0, 0, SkSamplingOptions(), &paint);
canvas->translate(12, 0);
}
}
} // END FIDDLE