| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 1 | // Copyright 2019 Google LLC. |
| 2 | // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. |
| 3 | #include "fiddle/examples.h" |
| 4 | // HASH=76d4d4a7931a48495e4d5f54e073be53 |
| Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Dither_b, 256, 256, false, 0) { |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
| 7 | canvas->clear(0); |
| 8 | SkBitmap bm32; |
| 9 | bm32.allocPixels(SkImageInfo::Make(20, 10, kN32_SkColorType, kPremul_SkAlphaType)); |
| 10 | SkCanvas c32(bm32); |
| 11 | SkPoint points[] = {{0, 0}, {20, 0}}; |
| 12 | SkColor colors[] = {0xFF334455, 0xFF662211 }; |
| 13 | SkPaint paint; |
| 14 | paint.setShader(SkGradientShader::MakeLinear( |
| 15 | points, colors, nullptr, SK_ARRAY_COUNT(colors), |
| 16 | SkShader::kClamp_TileMode, 0, nullptr)); |
| 17 | paint.setDither(true); |
| 18 | c32.drawPaint(paint); |
| 19 | canvas->scale(12, 12); |
| 20 | canvas->drawBitmap(bm32, 0, 0); |
| 21 | paint.setBlendMode(SkBlendMode::kPlus); |
| 22 | canvas->drawBitmap(bm32, 0, 11, &paint); |
| 23 | canvas->drawBitmap(bm32, 0, 11, &paint); |
| 24 | canvas->drawBitmap(bm32, 0, 11, &paint); |
| 25 | } |
| 26 | } // END FIDDLE |