2 * Copyright 2012 Google Inc.
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
9 #include "sk_tool_utils.h"
14 typedef void (*InsetProc)(const SkRRect&, SkScalar dx, SkScalar dy, SkRRect*);
16 static void inset0(const SkRRect& src, SkScalar dx, SkScalar dy, SkRRect* dst) {
17 SkRect r = src.rect();
26 for (int i = 0; i < 4; ++i) {
27 radii[i] = src.radii((SkRRect::Corner)i);
29 for (int i = 0; i < 4; ++i) {
33 dst->setRectRadii(r, radii);
36 static void inset1(const SkRRect& src, SkScalar dx, SkScalar dy, SkRRect* dst) {
37 SkRect r = src.rect();
46 for (int i = 0; i < 4; ++i) {
47 radii[i] = src.radii((SkRRect::Corner)i);
49 dst->setRectRadii(r, radii);
52 static void inset2(const SkRRect& src, SkScalar dx, SkScalar dy, SkRRect* dst) {
53 SkRect r = src.rect();
62 for (int i = 0; i < 4; ++i) {
63 radii[i] = src.radii((SkRRect::Corner)i);
65 for (int i = 0; i < 4; ++i) {
73 dst->setRectRadii(r, radii);
76 static SkScalar prop(SkScalar radius, SkScalar newSize, SkScalar oldSize) {
77 return newSize * radius / oldSize;
80 static void inset3(const SkRRect& src, SkScalar dx, SkScalar dy, SkRRect* dst) {
81 SkRect r = src.rect();
90 for (int i = 0; i < 4; ++i) {
91 radii[i] = src.radii((SkRRect::Corner)i);
93 for (int i = 0; i < 4; ++i) {
94 radii[i].fX = prop(radii[i].fX, r.width(), src.rect().width());
95 radii[i].fY = prop(radii[i].fY, r.height(), src.rect().height());
97 dst->setRectRadii(r, radii);
100 static void draw_rrect_color(SkCanvas* canvas, const SkRRect& rrect) {
102 paint.setAntiAlias(true);
103 paint.setStyle(SkPaint::kStroke_Style);
105 if (rrect.isRect()) {
106 paint.setColor(SK_ColorRED);
107 } else if (rrect.isOval()) {
108 paint.setColor(sk_tool_utils::color_to_565(0xFF008800));
109 } else if (rrect.isSimple()) {
110 paint.setColor(SK_ColorBLUE);
112 paint.setColor(SK_ColorBLACK);
114 canvas->drawRRect(rrect, paint);
117 static void drawrr(SkCanvas* canvas, const SkRRect& rrect, InsetProc proc) {
119 for (SkScalar d = -30; d <= 30; d += 5) {
120 proc(rrect, d, d, &rr);
121 draw_rrect_color(canvas, rr);
125 class RRectGM : public skiagm::GM {
131 SkString onShortName() override {
132 return SkString("rrect");
135 SkISize onISize() override {
136 return SkISize::Make(820, 710);
139 void onDraw(SkCanvas* canvas) override {
140 constexpr InsetProc insetProcs[] = {
141 inset0, inset1, inset2, inset3
145 SkRect r = { 0, 0, 120, 100 };
146 SkVector radii[4] = {
147 { 0, 0 }, { 30, 1 }, { 10, 40 }, { 40, 40 }
152 rrect[2].setRectXY(r, 20, 20);
153 rrect[3].setRectRadii(r, radii);
155 canvas->translate(50.5f, 50.5f);
156 for (size_t j = 0; j < SK_ARRAY_COUNT(insetProcs); ++j) {
158 for (size_t i = 0; i < SK_ARRAY_COUNT(rrect); ++i) {
159 drawrr(canvas, rrect[i], insetProcs[j]);
160 canvas->translate(200, 0);
163 canvas->translate(0, 170);
168 typedef GM INHERITED;
171 DEF_GM( return new RRectGM; )