skia2/docs/examples/Canvas_drawBitmapRect_3.cpp
Mike Reed b286bc2da8 Introduce new factory for SkColorFilters
Idea: transition callers to this, so we can later typedef SkColorFilter
and SkShader to the same thing.

Bug: skia:8937
Change-Id: I000c882e11622091aa44c141aa6ddd1216414f46
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/206685
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2019-04-08 21:03:59 +00:00

21 lines
853 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=bdbeac3c97f60a63987b1cc8e1f1e91e
REG_FIDDLE(Canvas_drawBitmapRect_3, 256, 64, false, 0) {
void draw(SkCanvas* canvas) {
uint32_t pixels[][2] = { { 0x00000000, 0x55550000},
{ 0xAAAA0000, 0xFFFF0000} };
SkBitmap bitmap;
bitmap.installPixels(SkImageInfo::MakeN32Premul(2, 2),
(void*) pixels, sizeof(pixels[0]));
SkPaint paint;
canvas->scale(4, 4);
for (auto color : { SK_ColorRED, SK_ColorBLUE, SK_ColorGREEN } ) {
paint.setColorFilter(SkColorFilters::Blend(color, SkBlendMode::kPlus));
canvas->drawBitmapRect(bitmap, SkRect::MakeWH(8, 8), &paint);
canvas->translate(8, 0);
}
}
} // END FIDDLE