xref: /aosp_15_r20/external/skia/docs/examples/Darken.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
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 "tools/fiddle/examples.h"
4 REG_FIDDLE(Darken, 256, 256, false, 3) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     canvas->drawImage(image, 0, 0);
7     SkColor colors[] = { SK_ColorWHITE, SK_ColorBLACK };
8     SkPoint horz[] = { { 0, 0 }, { 256, 0 } };
9     SkPaint paint;
10     paint.setShader(SkGradientShader::MakeLinear(horz, colors, nullptr, std::size(colors),
11             SkTileMode::kClamp));
12     paint.setBlendMode(SkBlendMode::kDarken);
13     canvas->drawPaint(paint);
14 }
15 }  // END FIDDLE
16