submodule/skia/gm/clip_strokerect.cpp

   1 /*
   2  * Copyright 2011 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/gm.h"
   9 #include "include/core/SkCanvas.h"
  10 #include "include/core/SkColor.h"
  11 #include "include/core/SkPaint.h"
  12 #include "include/core/SkRect.h"
  13 #include "include/core/SkSize.h"
  14 #include "include/core/SkString.h"
  15
  16 class ClipStrokeRectGM : public skiagm::GM {
  17 public:
  18     ClipStrokeRectGM() {
  19
  20     }
  21
  22 protected:
  23     SkString onShortName() override {
  24         return SkString("clip_strokerect");
  25     }
  26
  27     SkISize onISize() override {
  28         return SkISize::Make(200, 400);
  29     }
  30
  31     void onDraw(SkCanvas* canvas) override {
  32         SkPaint p;
  33         p.setColor(SK_ColorRED);
  34         p.setAntiAlias(true);
  35         p.setStyle(SkPaint::kStroke_Style);
  36         p.setStrokeWidth(22);
  37
  38         SkRect r = SkRect::MakeXYWH(20, 20, 100, 100);
  39         // setting the height of this to 19 causes failure
  40         SkRect rect = SkRect::MakeXYWH(20, 0, 100, 20);
  41
  42         canvas->save();
  43         canvas->clipRect(rect, true);
  44         canvas->drawRect(r, p);
  45         canvas->restore();
  46
  47         p.setColor(SK_ColorBLUE);
  48         p.setStrokeWidth(2);
  49         canvas->drawRect(rect, p);
  50
  51         p.setColor(SK_ColorRED);
  52         p.setAntiAlias(true);
  53         p.setStyle(SkPaint::kStroke_Style);
  54         p.setStrokeWidth(22);
  55
  56         SkRect r2 = SkRect::MakeXYWH(20, 140, 100, 100);
  57         // setting the height of this to 19 causes failure
  58         SkRect rect2 = SkRect::MakeXYWH(20, 120, 100, 19);
  59
  60         canvas->save();
  61         canvas->clipRect(rect2, true);
  62         canvas->drawRect(r2, p);
  63         canvas->restore();
  64
  65         p.setColor(SK_ColorBLUE);
  66         p.setStrokeWidth(2);
  67         canvas->drawRect(rect2, p);
  68     }
  69
  70 private:
  71     using INHERITED = skiagm::GM;
  72 };
  73
  74 DEF_GM(return new ClipStrokeRectGM;)