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      1 /*
      2  * Copyright 2013 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 "SkBitmap.h"
     10 #include "SkCanvas.h"
     11 #include "SkClipStack.h"
     12 #include "SkDevice.h"
     13 #include "SkPath.h"
     14 #include "SkPathOps.h"
     15 #include "SkPicture.h"
     16 #include "SkPictureRecorder.h"
     17 #include "SkRect.h"
     18 
     19 namespace skiagm {
     20 
     21 class PathOpsSkpClipGM : public GM {
     22 public:
     23     PathOpsSkpClipGM() {
     24     }
     25 
     26 protected:
     27     virtual uint32_t onGetFlags() const SK_OVERRIDE {
     28         return kSkipTiled_Flag;
     29     }
     30 
     31     virtual SkString onShortName() SK_OVERRIDE {
     32         return SkString("pathopsskpclip");
     33     }
     34 
     35     virtual SkISize onISize() SK_OVERRIDE {
     36         return SkISize::Make(1200, 900);
     37     }
     38 
     39     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
     40         SkPictureRecorder recorder;
     41         SkCanvas* rec = recorder.beginRecording(1200, 900, NULL, 0);
     42         SkPath p;
     43         SkRect r = {
     44             SkIntToScalar(100),
     45             SkIntToScalar(200),
     46             SkIntToScalar(400),
     47             SkIntToScalar(700)
     48         };
     49         p.addRoundRect(r, SkIntToScalar(50), SkIntToScalar(50));
     50         rec->clipPath(p, SkRegion::kIntersect_Op, true);
     51         rec->translate(SkIntToScalar(250), SkIntToScalar(250));
     52         rec->clipPath(p, SkRegion::kIntersect_Op, true);
     53         rec->drawColor(0xffff0000);
     54         SkAutoTUnref<SkPicture> pict(recorder.endRecording());
     55 
     56         canvas->setAllowSimplifyClip(true);
     57         canvas->save();
     58         canvas->drawPicture(pict);
     59         canvas->restore();
     60 
     61         canvas->setAllowSimplifyClip(false);
     62         canvas->save();
     63         canvas->translate(SkIntToScalar(1200 / 2), 0);
     64         canvas->drawPicture(pict);
     65         canvas->restore();
     66     }
     67 
     68 private:
     69     typedef GM INHERITED;
     70 };
     71 
     72 //////////////////////////////////////////////////////////////////////////////
     73 
     74 static GM* MyFactory(void*) { return new PathOpsSkpClipGM; }
     75 static GMRegistry reg(MyFactory);
     76 
     77 }
     78