skia2/docs/examples/Dither_b.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

27 lines
1.0 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 "fiddle/examples.h"
// HASH=76d4d4a7931a48495e4d5f54e073be53
REG_FIDDLE(Dither_b, 256, 256, false, 0) {
void draw(SkCanvas* canvas) {
canvas->clear(0);
SkBitmap bm32;
bm32.allocPixels(SkImageInfo::Make(20, 10, kN32_SkColorType, kPremul_SkAlphaType));
SkCanvas c32(bm32);
SkPoint points[] = {{0, 0}, {20, 0}};
SkColor colors[] = {0xFF334455, 0xFF662211 };
SkPaint paint;
paint.setShader(SkGradientShader::MakeLinear(
points, colors, nullptr, SK_ARRAY_COUNT(colors),
SkShader::kClamp_TileMode, 0, nullptr));
paint.setDither(true);
c32.drawPaint(paint);
canvas->scale(12, 12);
canvas->drawBitmap(bm32, 0, 0);
paint.setBlendMode(SkBlendMode::kPlus);
canvas->drawBitmap(bm32, 0, 11, &paint);
canvas->drawBitmap(bm32, 0, 11, &paint);
canvas->drawBitmap(bm32, 0, 11, &paint);
}
} // END FIDDLE