// 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=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), SkTileMode::kClamp)); paint.setDither(true); auto img = bm32.asImage(); c32.drawPaint(paint); canvas->scale(12, 12); canvas->drawImage(img, 0, 0); paint.setBlendMode(SkBlendMode::kPlus); SkSamplingOptions sampling; canvas->drawImage(img, 0, 11, sampling, &paint); canvas->drawImage(img, 0, 11, sampling, &paint); canvas->drawImage(img, 0, 11, sampling, &paint); } } // END FIDDLE