Flutter Engine
The Flutter Engine
Darken.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(Darken, 256, 256, false, 3) {
5void draw(SkCanvas* canvas) {
6 canvas->drawImage(image, 0, 0);
8 SkPoint horz[] = { { 0, 0 }, { 256, 0 } };
10 paint.setShader(SkGradientShader::MakeLinear(horz, colors, nullptr, std::size(colors),
12 paint.setBlendMode(SkBlendMode::kDarken);
13 canvas->drawPaint(paint);
14}
15} // END FIDDLE
REG_FIDDLE(Darken, 256, 256, false, 3)
Definition: Darken.cpp:4
@ kDarken
rc = s + d - max(s*da, d*sa), ra = kSrcOver
uint32_t SkColor
Definition: SkColor.h:37
constexpr SkColor SK_ColorBLACK
Definition: SkColor.h:103
constexpr SkColor SK_ColorWHITE
Definition: SkColor.h:122
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition: aaclip.cpp:27
void drawPaint(const SkPaint &paint)
Definition: SkCanvas.cpp:1668
void drawImage(const SkImage *image, SkScalar left, SkScalar top)
Definition: SkCanvas.h:1528
static sk_sp< SkShader > MakeLinear(const SkPoint pts[2], const SkColor colors[], const SkScalar pos[], int count, SkTileMode mode, uint32_t flags=0, const SkMatrix *localMatrix=nullptr)
const Paint & paint
Definition: color_source.cc:38
sk_sp< const SkImage > image
Definition: SkRecords.h:269
PODArray< SkColor > colors
Definition: SkRecords.h:276
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Definition: switches.h:259