Flutter Engine
The Flutter Engine
Canvas_drawPicture_4.cpp
Go to the documentation of this file.
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(Canvas_drawPicture_4, 256, 256, false, 0) {
5void draw(SkCanvas* canvas) {
7 SkPictureRecorder recorder;
8 SkCanvas* recordingCanvas = recorder.beginRecording(50, 50);
9 for (auto color : { SK_ColorRED, SK_ColorBLUE, 0xff007f00 } ) {
10 paint.setColor(color);
11 recordingCanvas->drawRect({10, 10, 30, 40}, paint);
12 recordingCanvas->translate(10, 10);
13 recordingCanvas->scale(1.2f, 1.4f);
14 }
17 matrix.reset();
18 for (auto alpha : { 70, 140, 210 } ) {
19 paint.setAlpha(alpha);
20 canvas->drawPicture(playback, &matrix, &paint);
21 matrix.preTranslate(70, 70);
22 }
23}
24} // END FIDDLE
REG_FIDDLE(Canvas_drawPicture_4, 256, 256, false, 0)
constexpr SkColor SK_ColorBLUE
Definition: SkColor.h:135
constexpr SkColor SK_ColorRED
Definition: SkColor.h:126
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition: aaclip.cpp:27
void drawRect(const SkRect &rect, const SkPaint &paint)
Definition: SkCanvas.cpp:1673
void translate(SkScalar dx, SkScalar dy)
Definition: SkCanvas.cpp:1278
void scale(SkScalar sx, SkScalar sy)
Definition: SkCanvas.cpp:1289
void drawPicture(const SkPicture *picture)
Definition: SkCanvas.h:1961
SkCanvas * beginRecording(const SkRect &bounds, sk_sp< SkBBoxHierarchy > bbh)
sk_sp< SkPicture > finishRecordingAsPicture()
const Paint & paint
Definition: color_source.cc:38
DlColor color
unsigned useCenter Optional< SkMatrix > matrix
Definition: SkRecords.h:258