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/gm.h"
9 #include "include/core/SkBlendMode.h"
10 #include "include/core/SkBlurTypes.h"
11 #include "include/core/SkCanvas.h"
12 #include "include/core/SkColor.h"
13 #include "include/core/SkColorFilter.h"
14 #include "include/core/SkMaskFilter.h"
15 #include "include/core/SkMatrix.h"
16 #include "include/core/SkPaint.h"
17 #include "include/core/SkPoint.h"
18 #include "include/core/SkRRect.h"
19 #include "include/core/SkRect.h"
20 #include "include/core/SkRefCnt.h"
21 #include "include/core/SkScalar.h"
22 #include "include/core/SkShader.h"
23 #include "include/core/SkSize.h"
24 #include "include/core/SkString.h"
25 #include "include/core/SkTileMode.h"
26 #include "include/core/SkTypes.h"
27 #include "include/effects/SkGradientShader.h"
28 #include "src/core/SkBlurMask.h"
29
30 /*
31 * Spits out a dummy gradient to test blur with shader on paint
32 */
MakeRadial()33 static sk_sp<SkShader> MakeRadial() {
34 SkPoint pts[2] = {
35 { 0, 0 },
36 { SkIntToScalar(100), SkIntToScalar(100) }
37 };
38 SkTileMode tm = SkTileMode::kClamp;
39 const SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, };
40 const SkScalar pos[] = { SK_Scalar1/4, SK_Scalar1*3/4 };
41 SkMatrix scale;
42 scale.setScale(0.5f, 0.5f);
43 scale.postTranslate(5.f, 5.f);
44 SkPoint center0, center1;
45 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
46 SkScalarAve(pts[0].fY, pts[1].fY));
47 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
48 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
49 return SkGradientShader::MakeTwoPointConical(center1, (pts[1].fX - pts[0].fX) / 7,
50 center0, (pts[1].fX - pts[0].fX) / 2,
51 colors, pos, SK_ARRAY_COUNT(colors), tm,
52 0, &scale);
53 }
54
55 // Simpler blurred RR test cases where all the radii are the same.
56 class SimpleBlurRoundRectGM : public skiagm::GM {
onShortName()57 SkString onShortName() override { return SkString("simpleblurroundrect"); }
58
onISize()59 SkISize onISize() override { return {1000, 500}; }
60
runAsBench() const61 bool runAsBench() const override { return true; }
62
onDraw(SkCanvas * canvas)63 void onDraw(SkCanvas* canvas) override {
64 canvas->scale(1.5f, 1.5f);
65 canvas->translate(50,50);
66
67 const float blurRadii[] = { 1,5,10,20 };
68 const int cornerRadii[] = { 1,5,10,20 };
69 const SkRect r = SkRect::MakeWH(SkIntToScalar(25), SkIntToScalar(25));
70 for (size_t i = 0; i < SK_ARRAY_COUNT(blurRadii); ++i) {
71 SkAutoCanvasRestore autoRestore(canvas, true);
72 canvas->translate(0, (r.height() + SkIntToScalar(50)) * i);
73 for (size_t j = 0; j < SK_ARRAY_COUNT(cornerRadii); ++j) {
74 for (int k = 0; k <= 1; k++) {
75 SkPaint paint;
76 paint.setColor(SK_ColorBLACK);
77 paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle,
78 SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(blurRadii[i]))));
79
80 bool useRadial = SkToBool(k);
81 if (useRadial) {
82 paint.setShader(MakeRadial());
83 }
84
85 SkRRect rrect;
86 rrect.setRectXY(r, SkIntToScalar(cornerRadii[j]),
87 SkIntToScalar(cornerRadii[j]));
88 canvas->drawRRect(rrect, paint);
89 canvas->translate(r.width() + SkIntToScalar(50), 0);
90 }
91 }
92 }
93 }
94 };
95
96 // Create one with dimensions/rounded corners based on the skp
97 //
98 // TODO(scroggo): Disabled in an attempt to rememdy
99 // https://code.google.com/p/skia/issues/detail?id=1801 ('Win7 Test bots all failing GenerateGMs:
100 // ran wrong number of tests')
101 //DEF_GM(return new BlurRoundRectGM(600, 5514, 6);)
102
103 DEF_GM(return new SimpleBlurRoundRectGM();)
104
105 // From crbug.com/1138810
106 DEF_SIMPLE_GM(blur_large_rrects, canvas, 300, 300) {
107 SkPaint paint;
108 paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, 20.f));
109
110 auto rect = SkRect::MakeLTRB(5.f, -20000.f, 240.f, 25.f);
111 SkRRect rrect = SkRRect::MakeRectXY(rect, 40.f, 40.f);
112 for (int i = 0; i < 4; ++i) {
113 SkColor4f color{(i & 1) ? 1.f : 0.f,
114 (i & 2) ? 1.f : 0.f,
115 (i < 2) ? 1.f : 0.f,
116 1.f};
117 paint.setColor(color);
118 canvas->drawRRect(rrect, paint);
119 canvas->rotate(90.f, 150.f, 150.f);
120 }
121 }
122