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 // HASH=a5eeba05ccf6097a5d110a9d64f97c25
5 REG_FIDDLE(Dst_In, 256, 256, false, 0) {
draw(SkCanvas * canvas)6 void draw(SkCanvas* canvas) {
7 SkColor colors[] = { SK_ColorRED, SK_ColorBLUE };
8 SkPoint horz[] = { { 0, 0 }, { 256, 0 } };
9 SkPaint paint;
10 paint.setShader(SkGradientShader::MakeLinear(horz, colors, nullptr, SK_ARRAY_COUNT(colors),
11 SkTileMode::kClamp));
12 canvas->drawPaint(paint);
13 paint.setBlendMode(SkBlendMode::kDstIn);
14 SkColor alphas[] = { SK_ColorBLACK, SK_ColorTRANSPARENT };
15 SkPoint vert[] = { { 0, 0 }, { 0, 256 } };
16 paint.setShader(SkGradientShader::MakeLinear(vert, alphas, nullptr, SK_ARRAY_COUNT(alphas),
17 SkTileMode::kClamp));
18 canvas->drawPaint(paint);
19 canvas->clipRect( { 30, 30, 226, 226 } );
20 canvas->drawColor(SkColorSetA(SK_ColorGREEN, 128), SkBlendMode::kDstIn);
21 }
22 } // END FIDDLE
23