| // 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=a13148977bfc985934a92752c83a2041 |
| REG_FIDDLE(Src_Atop, 256, 256, false, 0) { |
| void draw(SkCanvas* canvas) { |
| SkColor colors[] = { SK_ColorRED, SK_ColorBLUE }; |
| SkPoint horz[] = { { 0, 0 }, { 256, 0 } }; |
| SkPaint paint; |
| paint.setShader(SkGradientShader::MakeLinear(horz, colors, nullptr, std::size(colors), |
| SkTileMode::kClamp)); |
| canvas->drawPaint(paint); |
| paint.setBlendMode(SkBlendMode::kDstIn); |
| SkColor alphas[] = { SK_ColorBLACK, SK_ColorTRANSPARENT }; |
| SkPoint vert[] = { { 0, 0 }, { 0, 256 } }; |
| paint.setShader(SkGradientShader::MakeLinear(vert, alphas, nullptr, std::size(alphas), |
| SkTileMode::kClamp)); |
| canvas->drawPaint(paint); |
| canvas->clipRect( { 30, 30, 226, 226 } ); |
| canvas->drawColor(SkColorSetA(SK_ColorGREEN, 128), SkBlendMode::kSrcATop); |
| } |
| } // END FIDDLE |