Flutter Engine
The Flutter Engine
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.
4REG_FIDDLE(Blend_Mode_Methods, 256, 256, false, 0) {
5void draw(SkCanvas* canvas) {
6 SkPaint normal, blender;
7 normal.setColor(0xFF58a889);
8 blender.setColor(0xFF8958a8);
9 canvas->clear(0);
11 normal.setBlendMode(SkBlendMode::kSrcOver);
12 canvas->drawOval(SkRect::MakeXYWH(30, 30, 30, 80), normal);
13 blender.setBlendMode(m);
14 canvas->drawOval(SkRect::MakeXYWH(10, 50, 80, 30), blender);
15 canvas->translate(70, 70);
16 }
17}
18} // END FIDDLE
REG_FIDDLE(Blend_Mode_Methods, 256, 256, false, 0)
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)
Definition: SkCanvas.cpp:1698
void translate(SkScalar dx, SkScalar dy)
Definition: SkCanvas.cpp:1278
void clear(SkColor color)
Definition: SkCanvas.h:1199
void setColor(SkColor color)
Definition: SkPaint.cpp:119
void setBlendMode(SkBlendMode mode)
Definition: SkPaint.cpp:151
static constexpr SkRect MakeXYWH(float x, float y, float w, float h)
Definition: SkRect.h:659