1/* 2 * Copyright 2014 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8#include "gm.h" 9#include "SkPaint.h" 10#include "SkPictureRecorder.h" 11 12static sk_sp<SkPicture> make_picture() { 13 SkPictureRecorder rec; 14 SkCanvas* canvas = rec.beginRecording(100, 100); 15 16 SkPaint paint; 17 paint.setAntiAlias(true); 18 SkPath path; 19 20 paint.setColor(0x800000FF); 21 canvas->drawRect(SkRect::MakeWH(100, 100), paint); 22 23 paint.setColor(0x80FF0000); 24 path.moveTo(0, 0); path.lineTo(100, 0); path.lineTo(100, 100); 25 canvas->drawPath(path, paint); 26 27 paint.setColor(0x8000FF00); 28 path.reset(); path.moveTo(0, 0); path.lineTo(100, 0); path.lineTo(0, 100); 29 canvas->drawPath(path, paint); 30 31 paint.setColor(0x80FFFFFF); 32 paint.setBlendMode(SkBlendMode::kPlus); 33 canvas->drawRect(SkRect::MakeXYWH(25, 25, 50, 50), paint); 34 35 return rec.finishRecordingAsPicture(); 36} 37 38// Exercise the optional arguments to drawPicture 39// 40class PictureGM : public skiagm::GM { 41public: 42 PictureGM() 43 : fPicture(nullptr) 44 {} 45 46protected: 47 void onOnceBeforeDraw() override { 48 fPicture = make_picture(); 49 } 50 51 SkString onShortName() override { 52 return SkString("pictures"); 53 } 54 55 SkISize onISize() override { 56 return SkISize::Make(450, 120); 57 } 58 59 void onDraw(SkCanvas* canvas) override { 60 canvas->translate(10, 10); 61 62 SkMatrix matrix; 63 SkPaint paint; 64 65 canvas->drawPicture(fPicture); 66 67 matrix.setTranslate(110, 0); 68 canvas->drawPicture(fPicture, &matrix, nullptr); 69 70 matrix.postTranslate(110, 0); 71 canvas->drawPicture(fPicture, &matrix, &paint); 72 73 paint.setAlpha(0x80); 74 matrix.postTranslate(110, 0); 75 canvas->drawPicture(fPicture, &matrix, &paint); 76 } 77 78private: 79 sk_sp<SkPicture> fPicture; 80 81 typedef skiagm::GM INHERITED; 82}; 83 84DEF_GM(return new PictureGM;) 85