Flutter Engine
The Flutter Engine
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Canvas_saveLayer.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=42318b18d403e17e07a541652da91ee2
5REG_FIDDLE(Canvas_saveLayer, 256, 128, false, 0) {
7
8void draw(SkCanvas* canvas) {
9 SkPaint paint, blur;
10 blur.setImageFilter(SkImageFilters::Blur(3, 3, nullptr));
11 canvas->saveLayer(nullptr, &blur);
12 SkRect rect = { 25, 25, 50, 50};
13 canvas->drawRect(rect, paint);
14 canvas->translate(50, 50);
15 paint.setColor(SK_ColorRED);
16 canvas->drawRect(rect, paint);
17 canvas->restore();
18}
19} // END FIDDLE
constexpr SkColor SK_ColorRED
Definition SkColor.h:126
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition aaclip.cpp:27
int saveLayer(const SkRect *bounds, const SkPaint *paint)
Definition SkCanvas.cpp:500
void drawRect(const SkRect &rect, const SkPaint &paint)
void restore()
Definition SkCanvas.cpp:465
void translate(SkScalar dx, SkScalar dy)
static sk_sp< SkImageFilter > Blur(SkScalar sigmaX, SkScalar sigmaY, SkTileMode tileMode, sk_sp< SkImageFilter > input, const CropRect &cropRect={})
void setImageFilter(sk_sp< SkImageFilter > imageFilter)
const Paint & paint
#define REG_FIDDLE(NAME, W, H, TEXT, I)
Definition examples.h:60