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Side by Side Diff: gm/gradients_2pt_conical.cpp

Issue 1793303002: Reland of "more shader-->sp conversions (patchset #5 id:80001 of https://codereview.chromium… (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: make pictureRef a value, so its clearer what's going on Created 4 years, 9 months ago
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1 /* 1 /*
2 * Copyright 2014 Google Inc. 2 * Copyright 2014 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "gm.h" 8 #include "gm.h"
9 #include "SkGradientShader.h" 9 #include "SkGradientShader.h"
10 10
(...skipping 19 matching lines...) Expand all
30 SK_ColorRED, SK_ColorGREEN, SK_ColorGREEN, SK_ColorBLUE 30 SK_ColorRED, SK_ColorGREEN, SK_ColorGREEN, SK_ColorBLUE
31 }; 31 };
32 32
33 static const GradData gGradData[] = { 33 static const GradData gGradData[] = {
34 { 2, gColors, gPos0 }, 34 { 2, gColors, gPos0 },
35 { 2, gColors, gPos1 }, 35 { 2, gColors, gPos1 },
36 { 5, gColors, gPos2 }, 36 { 5, gColors, gPos2 },
37 { 4, gColorClamp, gPosClamp } 37 { 4, gColorClamp, gPosClamp }
38 }; 38 };
39 39
40 static SkShader* Make2ConicalOutside(const SkPoint pts[2], const GradData& data, 40 static sk_sp<SkShader> Make2ConicalOutside(const SkPoint pts[2], const GradData& data,
41 SkShader::TileMode tm, const SkMatrix& loca lMatrix) { 41 SkShader::TileMode tm, const SkMatrix & localMatrix) {
42 SkPoint center0, center1; 42 SkPoint center0, center1;
43 SkScalar radius0 = (pts[1].fX - pts[0].fX) / 10; 43 SkScalar radius0 = (pts[1].fX - pts[0].fX) / 10;
44 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3; 44 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
45 center0.set(pts[0].fX + radius0, pts[0].fY + radius0); 45 center0.set(pts[0].fX + radius0, pts[0].fY + radius0);
46 center1.set(pts[1].fX - radius1, pts[1].fY - radius1); 46 center1.set(pts[1].fX - radius1, pts[1].fY - radius1);
47 return SkGradientShader::CreateTwoPointConical(center0, radius0, 47 return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radi us1, data.fColors,
48 center1, radius1, 48 data.fPos, data.fCount, tm, 0, &localMatrix);
49 data.fColors, data.fPos, 49 }
50 data.fCount, tm, 0, &localMat rix); 50
51 } 51 static sk_sp<SkShader> Make2ConicalOutsideFlip(const SkPoint pts[2], const GradD ata& data,
52
53 static SkShader* Make2ConicalOutsideFlip(const SkPoint pts[2], const GradData& d ata,
54 SkShader::TileMode tm, const SkMatrix& localMatrix) { 52 SkShader::TileMode tm, const SkMatrix& localMatrix) {
55 SkPoint center0, center1; 53 SkPoint center0, center1;
56 SkScalar radius0 = (pts[1].fX - pts[0].fX) / 10; 54 SkScalar radius0 = (pts[1].fX - pts[0].fX) / 10;
57 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3; 55 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
58 center0.set(pts[0].fX + radius0, pts[0].fY + radius0); 56 center0.set(pts[0].fX + radius0, pts[0].fY + radius0);
59 center1.set(pts[1].fX - radius1, pts[1].fY - radius1); 57 center1.set(pts[1].fX - radius1, pts[1].fY - radius1);
60 return SkGradientShader::CreateTwoPointConical(center1, radius1, 58 return SkGradientShader::MakeTwoPointConical(center1, radius1, center0, radi us0, data.fColors,
61 center0, radius0, 59 data.fPos, data.fCount, tm, 0, &localMatrix);
62 data.fColors, data.fPos, 60 }
63 data.fCount, tm, 0, &localMat rix); 61
64 } 62 static sk_sp<SkShader> Make2ConicalInside(const SkPoint pts[2], const GradData& data,
65 63 SkShader::TileMode tm, const SkMatrix& localMatrix) {
66 static SkShader* Make2ConicalInside(const SkPoint pts[2], const GradData& data, 64 SkPoint center0, center1;
67 SkShader::TileMode tm, const SkMatrix& localMatrix) { 65 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
68 SkPoint center0, center1; 66 SkScalarAve(pts[0].fY, pts[1].fY));
69 center0.set(SkScalarAve(pts[0].fX, pts[1].fX), 67 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
70 SkScalarAve(pts[0].fY, pts[1].fY)); 68 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
71 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5), 69 return SkGradientShader::MakeTwoPointConical(center1, (pts[1].fX - pts[0].fX ) / 7,
72 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4)); 70 center0, (pts[1].fX - pts[0].fX ) / 2,
73 return SkGradientShader::CreateTwoPointConical(center1, (pts[1].fX - pts[0]. fX) / 7, 71 data.fColors, data.fPos, data.f Count, tm,
72 0, &localMatrix);
73 }
74
75 static sk_sp<SkShader> Make2ConicalInsideFlip(const SkPoint pts[2], const GradDa ta& data,
76 SkShader::TileMode tm, const SkMat rix& localMatrix) {
77 SkPoint center0, center1;
78 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
79 SkScalarAve(pts[0].fY, pts[1].fY));
80 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
81 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
82 return SkGradientShader::MakeTwoPointConical(center0, (pts[1].fX - pts[0].fX ) / 2,
83 center1, (pts[1].fX - pts[0].fX ) / 7,
84 data.fColors, data.fPos, data.f Count, tm,
85 0, &localMatrix);
86 }
87
88 static sk_sp<SkShader> Make2ConicalInsideCenter(const SkPoint pts[2], const Grad Data& data,
89 SkShader::TileMode tm, const SkMatrix& localMatrix) {
90 SkPoint center0, center1;
91 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
92 SkScalarAve(pts[0].fY, pts[1].fY));
93 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
94 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
95 return SkGradientShader::MakeTwoPointConical(center0, (pts[1].fX - pts[0].fX ) / 7,
96 center0, (pts[1].fX - pts[0].fX ) / 2,
97 data.fColors, data.fPos, data.f Count, tm,
98 0, &localMatrix);
99 }
100
101 static sk_sp<SkShader> Make2ConicalZeroRad(const SkPoint pts[2], const GradData& data,
102 SkShader::TileMode tm, const SkMatrix & localMatrix) {
103 SkPoint center0, center1;
104 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
105 SkScalarAve(pts[0].fY, pts[1].fY));
106 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
107 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
108 return SkGradientShader::MakeTwoPointConical(center1, 0.f,
109 center0, (pts[1].fX - pts[0].fX ) / 2,
110 data.fColors, data.fPos, data.f Count, tm,
111 0, &localMatrix);
112 }
113
114 static sk_sp<SkShader> Make2ConicalZeroRadFlip(const SkPoint pts[2], const GradD ata& data,
115 SkShader::TileMode tm, const SkMa trix& localMatrix) {
116 SkPoint center0, center1;
117 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
118 SkScalarAve(pts[0].fY, pts[1].fY));
119 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
120 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
121 return SkGradientShader::MakeTwoPointConical(center1, (pts[1].fX - pts[0].fX ) / 2,
122 center0, 0.f,
123 data.fColors, data.fPos, data.f Count, tm,
124 0, &localMatrix);
125 }
126
127 static sk_sp<SkShader> Make2ConicalZeroRadCenter(const SkPoint pts[2], const Gra dData& data,
128 SkShader::TileMode tm, const SkMatrix& localMatrix) {
129 SkPoint center0, center1;
130 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
131 SkScalarAve(pts[0].fY, pts[1].fY));
132 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
133 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
134 return SkGradientShader::MakeTwoPointConical(center0, 0.f, center0, (pts[1]. fX - pts[0].fX) / 2,
135 data.fColors, data.fPos, data.f Count, tm,
136 0, &localMatrix);
137 }
138
139 static sk_sp<SkShader> Make2ConicalZeroRadOutside(const SkPoint pts[2], const Gr adData& data,
140 SkShader::TileMode tm,
141 const SkMatrix& localMatrix) {
142 SkPoint center0, center1;
143 SkScalar radius0 = 0.f;
144 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
145 center0.set(pts[0].fX + radius0, pts[0].fY + radius0);
146 center1.set(pts[1].fX - radius1, pts[1].fY - radius1);
147 return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radi us1,
148 data.fColors, data.fPos,
149 data.fCount, tm, 0, &localMatri x);
150 }
151
152 static sk_sp<SkShader> Make2ConicalZeroRadFlipOutside(const SkPoint pts[2], cons t GradData& data,
153 SkShader::TileMode tm,
154 const SkMatrix& localMatri x) {
155 SkPoint center0, center1;
156 SkScalar radius0 = 0.f;
157 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
158 center0.set(pts[0].fX + radius0, pts[0].fY + radius0);
159 center1.set(pts[1].fX - radius1, pts[1].fY - radius1);
160 return SkGradientShader::MakeTwoPointConical(center1, radius1, center0, radi us0, data.fColors,
161 data.fPos, data.fCount, tm, 0, &localMatrix);
162 }
163
164 static sk_sp<SkShader> Make2ConicalEdgeX(const SkPoint pts[2], const GradData& d ata,
165 SkShader::TileMode tm, const SkMatrix& localMatrix) {
166 SkPoint center0, center1;
167 SkScalar radius0 = (pts[1].fX - pts[0].fX) / 7;
168 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
169 center1.set(SkScalarAve(pts[0].fX, pts[1].fX),
170 SkScalarAve(pts[0].fY, pts[1].fY));
171 center0.set(center1.fX + radius1, center1.fY);
172 return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radi us1, data.fColors,
173 data.fPos, data.fCount, tm, 0, &localMatrix);
174 }
175
176 static sk_sp<SkShader> Make2ConicalEdgeY(const SkPoint pts[2], const GradData& d ata,
177 SkShader::TileMode tm, const SkMatrix& localMatrix) {
178 SkPoint center0, center1;
179 SkScalar radius0 = (pts[1].fX - pts[0].fX) / 7;
180 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
181 center1.set(SkScalarAve(pts[0].fX, pts[1].fX),
182 SkScalarAve(pts[0].fY, pts[1].fY));
183 center0.set(center1.fX, center1.fY + radius1);
184 return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radi us1, data.fColors,
185 data.fPos, data.fCount, tm, 0, &localMatrix);
186 }
187
188 static sk_sp<SkShader> Make2ConicalZeroRadEdgeX(const SkPoint pts[2], const Grad Data& data,
189 SkShader::TileMode tm,
190 const SkMatrix& localMatrix) {
191 SkPoint center0, center1;
192 SkScalar radius0 = 0.f;
193 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
194 center1.set(SkScalarAve(pts[0].fX, pts[1].fX),
195 SkScalarAve(pts[0].fY, pts[1].fY));
196 center0.set(center1.fX + radius1, center1.fY);
197 return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radi us1, data.fColors,
198 data.fPos, data.fCount, tm, 0, &localMatrix);
199 }
200
201 static sk_sp<SkShader> Make2ConicalZeroRadEdgeY(const SkPoint pts[2], const Grad Data& data,
202 SkShader::TileMode tm, const SkM atrix& localMatrix) {
203 SkPoint center0, center1;
204 SkScalar radius0 = 0.f;
205 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
206 center1.set(SkScalarAve(pts[0].fX, pts[1].fX),
207 SkScalarAve(pts[0].fY, pts[1].fY));
208 center0.set(center1.fX, center1.fY + radius1);
209 return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radi us1, data.fColors,
210 data.fPos, data.fCount, tm, 0, &localMatrix);
211 }
212
213 static sk_sp<SkShader> Make2ConicalTouchX(const SkPoint pts[2], const GradData& data,
214 SkShader::TileMode tm, const SkMatrix& localMatrix) {
215 SkPoint center0, center1;
216 SkScalar radius0 = (pts[1].fX - pts[0].fX) / 7;
217 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
218 center1.set(SkScalarAve(pts[0].fX, pts[1].fX),
219 SkScalarAve(pts[0].fY, pts[1].fY));
220 center0.set(center1.fX - radius1 + radius0, center1.fY);
221 return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radi us1, data.fColors,
222 data.fPos, data.fCount, tm, 0, &localMatrix);
223 }
224
225 static sk_sp<SkShader> Make2ConicalTouchY(const SkPoint pts[2], const GradData& data,
226 SkShader::TileMode tm, const SkMatrix& localMatrix) {
227 SkPoint center0, center1;
228 SkScalar radius0 = (pts[1].fX - pts[0].fX) / 7;
229 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
230 center1.set(SkScalarAve(pts[0].fX, pts[1].fX),
231 SkScalarAve(pts[0].fY, pts[1].fY));
232 center0.set(center1.fX, center1.fY + radius1 - radius0);
233 return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radi us1, data.fColors,
234 data.fPos, data.fCount, tm, 0, &localMatrix);
235 }
236
237 static sk_sp<SkShader> Make2ConicalInsideSmallRad(const SkPoint pts[2], const Gr adData& data,
238 SkShader::TileMode tm, const SkMatrix& localMatrix) {
239 SkPoint center0, center1;
240 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
241 SkScalarAve(pts[0].fY, pts[1].fY));
242 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
243 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
244 return SkGradientShader::MakeTwoPointConical(center0, 0.0000000000000000001f ,
74 center0, (pts[1].fX - pts[0]. fX) / 2, 245 center0, (pts[1].fX - pts[0]. fX) / 2,
75 data.fColors, data.fPos, data .fCount, tm, 246 data.fColors, data.fPos, data .fCount, tm,
76 0, &localMatrix); 247 0, &localMatrix);
77 } 248 }
78 249
79 static SkShader* Make2ConicalInsideFlip(const SkPoint pts[2], const GradData& da ta, 250 typedef sk_sp<SkShader> (*GradMaker)(const SkPoint pts[2], const GradData& data,
80 SkShader::TileMode tm, const SkMatrix& localMatrix) { 251 SkShader::TileMode tm, const SkMatrix& loca lMatrix);
81 SkPoint center0, center1;
82 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
83 SkScalarAve(pts[0].fY, pts[1].fY));
84 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
85 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
86 return SkGradientShader::CreateTwoPointConical(center0, (pts[1].fX - pts[0]. fX) / 2,
87 center1, (pts[1].fX - pts[0]. fX) / 7,
88 data.fColors, data.fPos, data .fCount, tm,
89 0, &localMatrix);
90 }
91
92 static SkShader* Make2ConicalInsideCenter(const SkPoint pts[2], const GradData& data,
93 SkShader::TileMode tm, const SkMatrix& localMatrix) {
94 SkPoint center0, center1;
95 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
96 SkScalarAve(pts[0].fY, pts[1].fY));
97 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
98 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
99 return SkGradientShader::CreateTwoPointConical(center0, (pts[1].fX - pts[0]. fX) / 7,
100 center0, (pts[1].fX - pts[0]. fX) / 2,
101 data.fColors, data.fPos, data .fCount, tm,
102 0, &localMatrix);
103 }
104
105 static SkShader* Make2ConicalZeroRad(const SkPoint pts[2], const GradData& data,
106 SkShader::TileMode tm, const SkMatrix& localMatrix) {
107 SkPoint center0, center1;
108 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
109 SkScalarAve(pts[0].fY, pts[1].fY));
110 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
111 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
112 return SkGradientShader::CreateTwoPointConical(center1, 0.f,
113 center0, (pts[1].fX - pts[0]. fX) / 2,
114 data.fColors, data.fPos, data .fCount, tm,
115 0, &localMatrix);
116 }
117
118 static SkShader* Make2ConicalZeroRadFlip(const SkPoint pts[2], const GradData& d ata,
119 SkShader::TileMode tm, const SkMatrix& localMatrix) {
120 SkPoint center0, center1;
121 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
122 SkScalarAve(pts[0].fY, pts[1].fY));
123 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
124 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
125 return SkGradientShader::CreateTwoPointConical(center1, (pts[1].fX - pts[0]. fX) / 2,
126 center0, 0.f,
127 data.fColors, data.fPos, data .fCount, tm,
128 0, &localMatrix);
129 }
130
131 static SkShader* Make2ConicalZeroRadCenter(const SkPoint pts[2], const GradData& data,
132 SkShader::TileMode tm, const SkMatrix& localMatrix) {
133 SkPoint center0, center1;
134 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
135 SkScalarAve(pts[0].fY, pts[1].fY));
136 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
137 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
138 return SkGradientShader::CreateTwoPointConical(center0, 0.f,
139 center0, (pts[1].fX - pts[0]. fX) / 2,
140 data.fColors, data.fPos, data .fCount, tm,
141 0, &localMatrix);
142 }
143
144 static SkShader* Make2ConicalZeroRadOutside(const SkPoint pts[2], const GradData & data,
145 SkShader::TileMode tm, const SkMatrix& localMatrix) {
146 SkPoint center0, center1;
147 SkScalar radius0 = 0.f;
148 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
149 center0.set(pts[0].fX + radius0, pts[0].fY + radius0);
150 center1.set(pts[1].fX - radius1, pts[1].fY - radius1);
151 return SkGradientShader::CreateTwoPointConical(center0, radius0,
152 center1, radius1,
153 data.fColors, data.fPos,
154 data.fCount, tm, 0, &localMat rix);
155 }
156
157 static SkShader* Make2ConicalZeroRadFlipOutside(const SkPoint pts[2], const Grad Data& data,
158 SkShader::TileMode tm, const SkMatrix& localMatrix) {
159 SkPoint center0, center1;
160 SkScalar radius0 = 0.f;
161 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
162 center0.set(pts[0].fX + radius0, pts[0].fY + radius0);
163 center1.set(pts[1].fX - radius1, pts[1].fY - radius1);
164 return SkGradientShader::CreateTwoPointConical(center1, radius1,
165 center0, radius0,
166 data.fColors, data.fPos,
167 data.fCount, tm, 0, &localMat rix);
168 }
169
170 static SkShader* Make2ConicalEdgeX(const SkPoint pts[2], const GradData& data,
171 SkShader::TileMode tm, const SkMatrix& localMatrix) {
172 SkPoint center0, center1;
173 SkScalar radius0 = (pts[1].fX - pts[0].fX) / 7;
174 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
175 center1.set(SkScalarAve(pts[0].fX, pts[1].fX),
176 SkScalarAve(pts[0].fY, pts[1].fY));
177 center0.set(center1.fX + radius1, center1.fY);
178 return SkGradientShader::CreateTwoPointConical(center0, radius0,
179 center1, radius1,
180 data.fColors, data.fPos,
181 data.fCount, tm, 0, &localMat rix);
182 }
183
184 static SkShader* Make2ConicalEdgeY(const SkPoint pts[2], const GradData& data,
185 SkShader::TileMode tm, const SkMatrix& localMatrix) {
186 SkPoint center0, center1;
187 SkScalar radius0 = (pts[1].fX - pts[0].fX) / 7;
188 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
189 center1.set(SkScalarAve(pts[0].fX, pts[1].fX),
190 SkScalarAve(pts[0].fY, pts[1].fY));
191 center0.set(center1.fX, center1.fY + radius1);
192 return SkGradientShader::CreateTwoPointConical(center0, radius0,
193 center1, radius1,
194 data.fColors, data.fPos,
195 data.fCount, tm, 0, &localMat rix);
196 }
197
198 static SkShader* Make2ConicalZeroRadEdgeX(const SkPoint pts[2], const GradData& data,
199 SkShader::TileMode tm, const SkMatrix& localMatrix) {
200 SkPoint center0, center1;
201 SkScalar radius0 = 0.f;
202 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
203 center1.set(SkScalarAve(pts[0].fX, pts[1].fX),
204 SkScalarAve(pts[0].fY, pts[1].fY));
205 center0.set(center1.fX + radius1, center1.fY);
206 return SkGradientShader::CreateTwoPointConical(center0, radius0,
207 center1, radius1,
208 data.fColors, data.fPos,
209 data.fCount, tm, 0, &localMat rix);
210 }
211
212 static SkShader* Make2ConicalZeroRadEdgeY(const SkPoint pts[2], const GradData& data,
213 SkShader::TileMode tm, const SkMatrix& localMatrix) {
214 SkPoint center0, center1;
215 SkScalar radius0 = 0.f;
216 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
217 center1.set(SkScalarAve(pts[0].fX, pts[1].fX),
218 SkScalarAve(pts[0].fY, pts[1].fY));
219 center0.set(center1.fX, center1.fY + radius1);
220 return SkGradientShader::CreateTwoPointConical(center0, radius0,
221 center1, radius1,
222 data.fColors, data.fPos,
223 data.fCount, tm, 0, &localMat rix);
224 }
225
226 static SkShader* Make2ConicalTouchX(const SkPoint pts[2], const GradData& data,
227 SkShader::TileMode tm, const SkMatrix& localMatrix) {
228 SkPoint center0, center1;
229 SkScalar radius0 = (pts[1].fX - pts[0].fX) / 7;
230 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
231 center1.set(SkScalarAve(pts[0].fX, pts[1].fX),
232 SkScalarAve(pts[0].fY, pts[1].fY));
233 center0.set(center1.fX - radius1 + radius0, center1.fY);
234 return SkGradientShader::CreateTwoPointConical(center0, radius0,
235 center1, radius1,
236 data.fColors, data.fPos,
237 data.fCount, tm, 0, &localMat rix);
238 }
239
240 static SkShader* Make2ConicalTouchY(const SkPoint pts[2], const GradData& data,
241 SkShader::TileMode tm, const SkMatrix& localMatrix) {
242 SkPoint center0, center1;
243 SkScalar radius0 = (pts[1].fX - pts[0].fX) / 7;
244 SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
245 center1.set(SkScalarAve(pts[0].fX, pts[1].fX),
246 SkScalarAve(pts[0].fY, pts[1].fY));
247 center0.set(center1.fX, center1.fY + radius1 - radius0);
248 return SkGradientShader::CreateTwoPointConical(center0, radius0,
249 center1, radius1,
250 data.fColors, data.fPos,
251 data.fCount, tm, 0, &localMat rix);
252 }
253
254 static SkShader* Make2ConicalInsideSmallRad(const SkPoint pts[2], const GradData & data,
255 SkShader::TileMode tm, const SkMatrix& localMatrix) {
256 SkPoint center0, center1;
257 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
258 SkScalarAve(pts[0].fY, pts[1].fY));
259 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
260 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
261 return SkGradientShader::CreateTwoPointConical(center0, 0.000000000000000000 1f,
262 center0, (pts[1].fX - pts[0]. fX) / 2,
263 data.fColors, data.fPos, data .fCount, tm,
264 0, &localMatrix);
265 }
266
267 typedef SkShader* (*GradMaker)(const SkPoint pts[2], const GradData& data,
268 SkShader::TileMode tm, const SkMatrix& localMatri x);
269 252
270 static const GradMaker gGradMakersOutside[] = { 253 static const GradMaker gGradMakersOutside[] = {
271 Make2ConicalOutside, Make2ConicalOutsideFlip, 254 Make2ConicalOutside, Make2ConicalOutsideFlip,
272 Make2ConicalZeroRadOutside, Make2ConicalZeroRadFlipOutside 255 Make2ConicalZeroRadOutside, Make2ConicalZeroRadFlipOutside
273 }; 256 };
274 257
275 static const GradMaker gGradMakersInside[] = { 258 static const GradMaker gGradMakersInside[] = {
276 Make2ConicalInside, Make2ConicalInsideFlip, Make2ConicalInsideCenter, 259 Make2ConicalInside, Make2ConicalInsideFlip, Make2ConicalInsideCenter,
277 Make2ConicalZeroRad, Make2ConicalZeroRadFlip, Make2ConicalZeroRadCenter, 260 Make2ConicalZeroRad, Make2ConicalZeroRadFlip, Make2ConicalZeroRadCenter,
278 }; 261 };
(...skipping 61 matching lines...) Expand 10 before | Expand all | Expand 10 after
340 for (size_t i = 0; i < SK_ARRAY_COUNT(gGradData); i++) { 323 for (size_t i = 0; i < SK_ARRAY_COUNT(gGradData); i++) {
341 canvas->save(); 324 canvas->save();
342 for (int j = 0; j < count; j++) { 325 for (int j = 0; j < count; j++) {
343 SkMatrix scale = SkMatrix::I(); 326 SkMatrix scale = SkMatrix::I();
344 327
345 if (i == 3) { // if the clamp case 328 if (i == 3) { // if the clamp case
346 scale.setScale(0.5f, 0.5f); 329 scale.setScale(0.5f, 0.5f);
347 scale.postTranslate(25.f, 25.f); 330 scale.postTranslate(25.f, 25.f);
348 } 331 }
349 332
350 SkShader* shader = gradMaker[j](pts, gGradData[i], tm, scale); 333 paint.setShader(gradMaker[j](pts, gGradData[i], tm, scale));
351 paint.setShader(shader);
352 canvas->drawRect(r, paint); 334 canvas->drawRect(r, paint);
353 shader->unref();
354 canvas->translate(0, SkIntToScalar(120)); 335 canvas->translate(0, SkIntToScalar(120));
355 } 336 }
356 canvas->restore(); 337 canvas->restore();
357 canvas->translate(SkIntToScalar(120), 0); 338 canvas->translate(SkIntToScalar(120), 0);
358 } 339 }
359 } 340 }
360 341
361 private: 342 private:
362 typedef GM INHERITED; 343 typedef GM INHERITED;
363 344
364 GradCaseType fGradCaseType; 345 GradCaseType fGradCaseType;
365 SkString fName; 346 SkString fName;
366 bool fDither; 347 bool fDither;
367 }; 348 };
368 /////////////////////////////////////////////////////////////////////////////// 349 ///////////////////////////////////////////////////////////////////////////////
369 350
370 DEF_GM( return new ConicalGradientsGM(kInside_GradCaseType, true); ) 351 DEF_GM( return new ConicalGradientsGM(kInside_GradCaseType, true); )
371 DEF_GM( return new ConicalGradientsGM(kOutside_GradCaseType, true); ) 352 DEF_GM( return new ConicalGradientsGM(kOutside_GradCaseType, true); )
372 DEF_GM( return new ConicalGradientsGM(kEdge_GradCaseType, true); ) 353 DEF_GM( return new ConicalGradientsGM(kEdge_GradCaseType, true); )
373 354
374 DEF_GM( return new ConicalGradientsGM(kInside_GradCaseType, false); ) 355 DEF_GM( return new ConicalGradientsGM(kInside_GradCaseType, false); )
375 DEF_GM( return new ConicalGradientsGM(kOutside_GradCaseType, false); ) 356 DEF_GM( return new ConicalGradientsGM(kOutside_GradCaseType, false); )
376 DEF_GM( return new ConicalGradientsGM(kEdge_GradCaseType, false); ) 357 DEF_GM( return new ConicalGradientsGM(kEdge_GradCaseType, false); )
377 358
378 } 359 }
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