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epoger@google.comec3ed6a2011-07-28 14:26:00 +00001
reed@google.com3b14dc12011-04-04 14:31:36 +00002/*
epoger@google.comec3ed6a2011-07-28 14:26:00 +00003 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
reed@google.com3b14dc12011-04-04 14:31:36 +00007 */
8
9
epoger@google.comec3ed6a2011-07-28 14:26:00 +000010
reed@google.com3b14dc12011-04-04 14:31:36 +000011#include "gm.h"
12#include "SkRandom.h"
13
14namespace skiagm {
15
16#define W 400
17#define H 400
18#define N 100
19
20static const SkScalar SW = SkIntToScalar(W);
21static const SkScalar SH = SkIntToScalar(H);
22
23class StrokeRectGM : public GM {
24public:
bungeman@google.com3c14d0f2011-05-20 14:05:03 +000025 StrokeRectGM() {}
reed@google.com3b14dc12011-04-04 14:31:36 +000026
27protected:
28 virtual SkString onShortName() {
29 return SkString("strokerects");
30 }
31
bungeman@google.com3c14d0f2011-05-20 14:05:03 +000032 virtual SkISize onISize() {
reed@google.com3b14dc12011-04-04 14:31:36 +000033 return make_isize(W*2, H*2);
34 }
35
36 static void rnd_rect(SkRect* r, SkRandom& rand) {
37 SkScalar x = rand.nextUScalar1() * W;
38 SkScalar y = rand.nextUScalar1() * H;
39 SkScalar w = rand.nextUScalar1() * (W >> 2);
40 SkScalar h = rand.nextUScalar1() * (H >> 2);
epoger@google.com17b78942011-08-26 14:40:38 +000041 SkScalar hoffset = rand.nextSScalar1();
42 SkScalar woffset = rand.nextSScalar1();
reed@google.com3b14dc12011-04-04 14:31:36 +000043
44 r->set(x, y, x + w, y + h);
epoger@google.com17b78942011-08-26 14:40:38 +000045 r->offset(-w/2 + woffset, -h/2 + hoffset);
reed@google.com3b14dc12011-04-04 14:31:36 +000046 }
47
48 virtual void onDraw(SkCanvas* canvas) {
reed@google.com3b14dc12011-04-04 14:31:36 +000049 SkPaint paint;
50 paint.setStyle(SkPaint::kStroke_Style);
51
52 for (int y = 0; y < 2; y++) {
53 paint.setAntiAlias(!!y);
54 for (int x = 0; x < 2; x++) {
55 paint.setStrokeWidth(x * SkIntToScalar(3));
56
57 SkAutoCanvasRestore acr(canvas, true);
58 canvas->translate(SW * x, SH * y);
bungeman@google.com3c14d0f2011-05-20 14:05:03 +000059 canvas->clipRect(SkRect::MakeLTRB(
60 SkIntToScalar(2), SkIntToScalar(2)
61 , SW - SkIntToScalar(2), SH - SkIntToScalar(2)
62 ));
reed@google.com3b14dc12011-04-04 14:31:36 +000063
64 SkRandom rand;
65 for (int i = 0; i < N; i++) {
66 SkRect r;
67 rnd_rect(&r, rand);
68 canvas->drawRect(r, paint);
69 }
70 }
71 }
72 }
73
74private:
75 typedef GM INHERITED;
76};
77
78//////////////////////////////////////////////////////////////////////////////
79
80static GM* MyFactory(void*) { return new StrokeRectGM; }
81static GMRegistry reg(MyFactory);
82
83}
84