| 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=52d2c8d1b9b428de4477b4caa1543a3d |
| Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Difference, 256, 256, false, 5) { |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
| 7 | canvas->drawImage(image, 0, 0); |
| 8 | canvas->drawImage(image, 128, 0); |
| 9 | canvas->drawImage(image, 0, 128); |
| 10 | canvas->drawImage(image, 128, 128); |
| 11 | SkPaint paint; |
| 12 | paint.setBlendMode(SkBlendMode::kDstATop); |
| 13 | SkColor alphas[] = { SK_ColorBLACK, SK_ColorTRANSPARENT }; |
| 14 | SkPoint vert[] = { { 0, 0 }, { 0, 256 } }; |
| 15 | paint.setShader(SkGradientShader::MakeLinear(vert, alphas, nullptr, SK_ARRAY_COUNT(alphas), |
| 16 | SkShader::kClamp_TileMode)); |
| 17 | canvas->drawPaint(paint); |
| 18 | canvas->clipRect( { 30, 30, 226, 226 } ); |
| 19 | canvas->drawColor(0x80bb9977, SkBlendMode::kDifference); |
| 20 | } |
| 21 | } // END FIDDLE |