gm/pathopsskpclip.cpp

   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     SkString onShortName() SK_OVERRIDE {
  28         return SkString("pathopsskpclip");
  29     }
  30
  31     SkISize onISize() SK_OVERRIDE {
  32         return SkISize::Make(1200, 900);
  33     }
  34
  35     void onDraw(SkCanvas* canvas) SK_OVERRIDE {
  36         SkPictureRecorder recorder;
  37         SkCanvas* rec = recorder.beginRecording(1200, 900, NULL, 0);
  38         SkPath p;
  39         SkRect r = {
  40             SkIntToScalar(100),
  41             SkIntToScalar(200),
  42             SkIntToScalar(400),
  43             SkIntToScalar(700)
  44         };
  45         p.addRoundRect(r, SkIntToScalar(50), SkIntToScalar(50));
  46         rec->clipPath(p, SkRegion::kIntersect_Op, true);
  47         rec->translate(SkIntToScalar(250), SkIntToScalar(250));
  48         rec->clipPath(p, SkRegion::kIntersect_Op, true);
  49         rec->drawColor(0xffff0000);
  50         SkAutoTUnref<SkPicture> pict(recorder.endRecording());
  51
  52         canvas->setAllowSimplifyClip(true);
  53         canvas->save();
  54         canvas->drawPicture(pict);
  55         canvas->restore();
  56
  57         canvas->setAllowSimplifyClip(false);
  58         canvas->save();
  59         canvas->translate(SkIntToScalar(1200 / 2), 0);
  60         canvas->drawPicture(pict);
  61         canvas->restore();
  62     }
  63
  64 private:
  65     typedef GM INHERITED;
  66 };
  67
  68 //////////////////////////////////////////////////////////////////////////////
  69
  70 static GM* MyFactory(void*) { return new PathOpsSkpClipGM; }
  71 static GMRegistry reg(MyFactory);
  72
  73 }