Flutter Engine
The Flutter Engine
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Blend_Mode_Methods.cpp
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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.
4// HASH=73092d4d06faecea3c204d852a4dd8a8
5REG_FIDDLE(Blend_Mode_Methods, 256, 256, false, 0) {
6void draw(SkCanvas* canvas) {
7 SkPaint normal, blender;
8 normal.setColor(0xFF58a889);
9 blender.setColor(0xFF8958a8);
10 canvas->clear(0);
12 normal.setBlendMode(SkBlendMode::kSrcOver);
13 canvas->drawOval(SkRect::MakeXYWH(30, 30, 30, 80), normal);
14 blender.setBlendMode(m);
15 canvas->drawOval(SkRect::MakeXYWH(10, 50, 80, 30), blender);
16 canvas->translate(70, 70);
17 }
18}
19} // END FIDDLE
SkBlendMode
Definition SkBlendMode.h:38
@ kSrcOut
r = s * (1-da)
@ kSrcOver
r = s + (1-sa)*d
@ kSrcIn
r = s * da
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition aaclip.cpp:27
void drawOval(const SkRect &oval, const SkPaint &paint)
void translate(SkScalar dx, SkScalar dy)
void clear(SkColor color)
Definition SkCanvas.h:1199
void setColor(SkColor color)
Definition SkPaint.cpp:119
void setBlendMode(SkBlendMode mode)
Definition SkPaint.cpp:151
#define REG_FIDDLE(NAME, W, H, TEXT, I)
Definition examples.h:60
static constexpr SkRect MakeXYWH(float x, float y, float w, float h)
Definition SkRect.h:659