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Side by Side Diff: gm/gradients.cpp

Issue 287063009: Revert of remove unused (by clients) SkUnitMapper (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 6 years, 7 months ago
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1 1
2 /* 2 /*
3 * Copyright 2011 Google Inc. 3 * Copyright 2011 Google Inc.
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 #include "gm.h" 8 #include "gm.h"
9 #include "SkGradientShader.h" 9 #include "SkGradientShader.h"
10 10
(...skipping 22 matching lines...) Expand all
33 static const GradData gGradData[] = { 33 static const GradData gGradData[] = {
34 { 2, gColors, NULL }, 34 { 2, gColors, NULL },
35 { 2, gColors, gPos0 }, 35 { 2, gColors, gPos0 },
36 { 2, gColors, gPos1 }, 36 { 2, gColors, gPos1 },
37 { 5, gColors, NULL }, 37 { 5, gColors, NULL },
38 { 5, gColors, gPos2 }, 38 { 5, gColors, gPos2 },
39 { 4, gColorClamp, gPosClamp } 39 { 4, gColorClamp, gPosClamp }
40 }; 40 };
41 41
42 static SkShader* MakeLinear(const SkPoint pts[2], const GradData& data, 42 static SkShader* MakeLinear(const SkPoint pts[2], const GradData& data,
43 SkShader::TileMode tm, const SkMatrix& localMatrix) { 43 SkShader::TileMode tm, SkUnitMapper* mapper,
44 const SkMatrix& localMatrix) {
44 return SkGradientShader::CreateLinear(pts, data.fColors, data.fPos, 45 return SkGradientShader::CreateLinear(pts, data.fColors, data.fPos,
45 data.fCount, tm, 0, &localMatrix); 46 data.fCount, tm, mapper, 0, &localMatr ix);
46 } 47 }
47 48
48 static SkShader* MakeRadial(const SkPoint pts[2], const GradData& data, 49 static SkShader* MakeRadial(const SkPoint pts[2], const GradData& data,
49 SkShader::TileMode tm, const SkMatrix& localMatrix) { 50 SkShader::TileMode tm, SkUnitMapper* mapper,
51 const SkMatrix& localMatrix) {
50 SkPoint center; 52 SkPoint center;
51 center.set(SkScalarAve(pts[0].fX, pts[1].fX), 53 center.set(SkScalarAve(pts[0].fX, pts[1].fX),
52 SkScalarAve(pts[0].fY, pts[1].fY)); 54 SkScalarAve(pts[0].fY, pts[1].fY));
53 return SkGradientShader::CreateRadial(center, center.fX, data.fColors, 55 return SkGradientShader::CreateRadial(center, center.fX, data.fColors,
54 data.fPos, data.fCount, tm, 0, &localM atrix); 56 data.fPos, data.fCount, tm, mapper, 0, &localMatrix);
55 } 57 }
56 58
57 static SkShader* MakeSweep(const SkPoint pts[2], const GradData& data, 59 static SkShader* MakeSweep(const SkPoint pts[2], const GradData& data,
58 SkShader::TileMode, const SkMatrix& localMatrix) { 60 SkShader::TileMode, SkUnitMapper* mapper,
61 const SkMatrix& localMatrix) {
59 SkPoint center; 62 SkPoint center;
60 center.set(SkScalarAve(pts[0].fX, pts[1].fX), 63 center.set(SkScalarAve(pts[0].fX, pts[1].fX),
61 SkScalarAve(pts[0].fY, pts[1].fY)); 64 SkScalarAve(pts[0].fY, pts[1].fY));
62 return SkGradientShader::CreateSweep(center.fX, center.fY, data.fColors, 65 return SkGradientShader::CreateSweep(center.fX, center.fY, data.fColors,
63 data.fPos, data.fCount, 0, &localMatrix ); 66 data.fPos, data.fCount, mapper, 0, &loc alMatrix);
64 } 67 }
65 68
66 static SkShader* Make2Radial(const SkPoint pts[2], const GradData& data, 69 static SkShader* Make2Radial(const SkPoint pts[2], const GradData& data,
67 SkShader::TileMode tm, const SkMatrix& localMatrix) { 70 SkShader::TileMode tm, SkUnitMapper* mapper,
71 const SkMatrix& localMatrix) {
68 SkPoint center0, center1; 72 SkPoint center0, center1;
69 center0.set(SkScalarAve(pts[0].fX, pts[1].fX), 73 center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
70 SkScalarAve(pts[0].fY, pts[1].fY)); 74 SkScalarAve(pts[0].fY, pts[1].fY));
71 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5), 75 center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
72 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4)); 76 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
73 return SkGradientShader::CreateTwoPointRadial( 77 return SkGradientShader::CreateTwoPointRadial(
74 center1, (pts[1].fX - pts[0].f X) / 7, 78 center1, (pts[1].fX - pts[0].f X) / 7,
75 center0, (pts[1].fX - pts[0].f X) / 2, 79 center0, (pts[1].fX - pts[0].f X) / 2,
76 data.fColors, data.fPos, data. fCount, tm, 80 data.fColors, data.fPos, data. fCount, tm, mapper,
77 0, &localMatrix); 81 0, &localMatrix);
78 } 82 }
79 83
80 static SkShader* Make2Conical(const SkPoint pts[2], const GradData& data, 84 static SkShader* Make2Conical(const SkPoint pts[2], const GradData& data,
81 SkShader::TileMode tm, const SkMatrix& localMatrix) { 85 SkShader::TileMode tm, SkUnitMapper* mapper,
86 const SkMatrix& localMatrix) {
82 SkPoint center0, center1; 87 SkPoint center0, center1;
83 SkScalar radius0 = SkScalarDiv(pts[1].fX - pts[0].fX, 10); 88 SkScalar radius0 = SkScalarDiv(pts[1].fX - pts[0].fX, 10);
84 SkScalar radius1 = SkScalarDiv(pts[1].fX - pts[0].fX, 3); 89 SkScalar radius1 = SkScalarDiv(pts[1].fX - pts[0].fX, 3);
85 center0.set(pts[0].fX + radius0, pts[0].fY + radius0); 90 center0.set(pts[0].fX + radius0, pts[0].fY + radius0);
86 center1.set(pts[1].fX - radius1, pts[1].fY - radius1); 91 center1.set(pts[1].fX - radius1, pts[1].fY - radius1);
87 return SkGradientShader::CreateTwoPointConical(center1, radius1, 92 return SkGradientShader::CreateTwoPointConical(center1, radius1,
88 center0, radius0, 93 center0, radius0,
89 data.fColors, data.fPos, 94 data.fColors, data.fPos,
90 data.fCount, tm, 0, &localMat rix); 95 data.fCount, tm, mapper,
96 0, &localMatrix);
91 } 97 }
92 98
93 typedef SkShader* (*GradMaker)(const SkPoint pts[2], const GradData& data, 99 typedef SkShader* (*GradMaker)(const SkPoint pts[2], const GradData& data,
94 SkShader::TileMode tm, const SkMatrix& localMatri x); 100 SkShader::TileMode tm, SkUnitMapper* mapper,
101 const SkMatrix& localMatrix);
95 static const GradMaker gGradMakers[] = { 102 static const GradMaker gGradMakers[] = {
96 MakeLinear, MakeRadial, MakeSweep, Make2Radial, Make2Conical 103 MakeLinear, MakeRadial, MakeSweep, Make2Radial, Make2Conical
97 }; 104 };
98 105
99 /////////////////////////////////////////////////////////////////////////////// 106 ///////////////////////////////////////////////////////////////////////////////
100 107
101 class GradientsGM : public GM { 108 class GradientsGM : public GM {
102 public: 109 public:
103 GradientsGM() { 110 GradientsGM() {
104 this->setBGColor(0xFFDDDDDD); 111 this->setBGColor(0xFFDDDDDD);
(...skipping 25 matching lines...) Expand all
130 for (size_t i = 0; i < SK_ARRAY_COUNT(gGradData); i++) { 137 for (size_t i = 0; i < SK_ARRAY_COUNT(gGradData); i++) {
131 canvas->save(); 138 canvas->save();
132 for (size_t j = 0; j < SK_ARRAY_COUNT(gGradMakers); j++) { 139 for (size_t j = 0; j < SK_ARRAY_COUNT(gGradMakers); j++) {
133 SkMatrix scale = SkMatrix::I(); 140 SkMatrix scale = SkMatrix::I();
134 141
135 if (i == 5) { // if the clamp case 142 if (i == 5) { // if the clamp case
136 scale.setScale(0.5f, 0.5f); 143 scale.setScale(0.5f, 0.5f);
137 scale.postTranslate(25.f, 25.f); 144 scale.postTranslate(25.f, 25.f);
138 } 145 }
139 146
140 SkShader* shader = gGradMakers[j](pts, gGradData[i], tm, scale); 147 SkShader* shader = gGradMakers[j](pts, gGradData[i], tm, NULL, s cale);
141 148
142 paint.setShader(shader); 149 paint.setShader(shader);
143 canvas->drawRect(r, paint); 150 canvas->drawRect(r, paint);
144 shader->unref(); 151 shader->unref();
145 canvas->translate(0, SkIntToScalar(120)); 152 canvas->translate(0, SkIntToScalar(120));
146 } 153 }
147 canvas->restore(); 154 canvas->restore();
148 canvas->translate(SkIntToScalar(120), 0); 155 canvas->translate(SkIntToScalar(120), 0);
149 } 156 }
150 } 157 }
(...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after
188 canvas->save(); 195 canvas->save();
189 for (size_t j = 0; j < SK_ARRAY_COUNT(gGradMakers); j++) { 196 for (size_t j = 0; j < SK_ARRAY_COUNT(gGradMakers); j++) {
190 // apply an increasing y perspective as we move to the right 197 // apply an increasing y perspective as we move to the right
191 SkMatrix perspective; 198 SkMatrix perspective;
192 perspective.setIdentity(); 199 perspective.setIdentity();
193 perspective.setPerspY(SkScalarDiv(SkIntToScalar((unsigned) i+1), 200 perspective.setPerspY(SkScalarDiv(SkIntToScalar((unsigned) i+1),
194 SkIntToScalar(500))); 201 SkIntToScalar(500)));
195 perspective.setSkewX(SkScalarDiv(SkIntToScalar((unsigned) i+1), 202 perspective.setSkewX(SkScalarDiv(SkIntToScalar((unsigned) i+1),
196 SkIntToScalar(10))); 203 SkIntToScalar(10)));
197 204
198 SkShader* shader = gGradMakers[j](pts, gGradData[i], tm, perspec tive); 205 SkShader* shader = gGradMakers[j](pts, gGradData[i], tm, NULL, p erspective);
199 206
200 paint.setShader(shader); 207 paint.setShader(shader);
201 canvas->drawRect(r, paint); 208 canvas->drawRect(r, paint);
202 shader->unref(); 209 shader->unref();
203 canvas->translate(0, SkIntToScalar(120)); 210 canvas->translate(0, SkIntToScalar(120));
204 } 211 }
205 canvas->restore(); 212 canvas->restore();
206 canvas->translate(SkIntToScalar(120), 0); 213 canvas->translate(SkIntToScalar(120), 0);
207 } 214 }
208 } 215 }
(...skipping 104 matching lines...) Expand 10 before | Expand all | Expand 10 after
313 SkRect r = { 0, 0, SkIntToScalar(100), SkIntToScalar(300) }; 320 SkRect r = { 0, 0, SkIntToScalar(100), SkIntToScalar(300) };
314 SkPaint paint; 321 SkPaint paint;
315 paint.setAntiAlias(true); 322 paint.setAntiAlias(true);
316 323
317 SkPoint center; 324 SkPoint center;
318 center.iset(0, 300); 325 center.iset(0, 300);
319 canvas->translate(SkIntToScalar(20), SkIntToScalar(20)); 326 canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
320 SkShader* shader = SkGradientShader::CreateRadial( 327 SkShader* shader = SkGradientShader::CreateRadial(
321 SkPoint(center), 328 SkPoint(center),
322 SkIntToScalar(200), gColors, NULL, 5, 329 SkIntToScalar(200), gColors, NULL, 5,
323 SkShader::kClamp_TileMode); 330 SkShader::kClamp_TileMode, NULL);
324 paint.setShader(shader); 331 paint.setShader(shader);
325 canvas->drawRect(r, paint); 332 canvas->drawRect(r, paint);
326 shader->unref(); 333 shader->unref();
327 } 334 }
328 335
329 private: 336 private:
330 typedef GM INHERITED; 337 typedef GM INHERITED;
331 }; 338 };
332 339
333 /// Checks quality of large radial gradients, which may display 340 /// Checks quality of large radial gradients, which may display
(...skipping 74 matching lines...) Expand 10 before | Expand all | Expand 10 after
408 center.set(cx, cy); 415 center.set(cx, cy);
409 416
410 // We can either interpolate endpoints and premultiply each point (defau lt, more precision), 417 // We can either interpolate endpoints and premultiply each point (defau lt, more precision),
411 // or premultiply the endpoints first, avoiding the need to premultiply each point (cheap). 418 // or premultiply the endpoints first, avoiding the need to premultiply each point (cheap).
412 const uint32_t flags[] = { 0, SkGradientShader::kInterpolateColorsInPrem ul_Flag }; 419 const uint32_t flags[] = { 0, SkGradientShader::kInterpolateColorsInPrem ul_Flag };
413 420
414 for (size_t i = 0; i < SK_ARRAY_COUNT(flags); i++) { 421 for (size_t i = 0; i < SK_ARRAY_COUNT(flags); i++) {
415 SkAutoTUnref<SkShader> sweep( 422 SkAutoTUnref<SkShader> sweep(
416 SkGradientShader::CreateSweep(cx, cy, sweep_colors, 423 SkGradientShader::CreateSweep(cx, cy, sweep_colors,
417 NULL, SK_ARRAY_COUNT(sweep_col ors), 424 NULL, SK_ARRAY_COUNT(sweep_col ors),
418 flags[i], NULL)); 425 NULL, flags[i]));
419 SkAutoTUnref<SkShader> radial1( 426 SkAutoTUnref<SkShader> radial1(
420 SkGradientShader::CreateRadial(center, radius, colors1, 427 SkGradientShader::CreateRadial(center, radius, colors1,
421 NULL, SK_ARRAY_COUNT(colors1) , 428 NULL, SK_ARRAY_COUNT(colors1) ,
422 SkShader::kClamp_TileMode, 429 SkShader::kClamp_TileMode,
423 flags[i], NULL)); 430 NULL, flags[i]));
424 SkAutoTUnref<SkShader> radial2( 431 SkAutoTUnref<SkShader> radial2(
425 SkGradientShader::CreateRadial(center, radius, colors2, 432 SkGradientShader::CreateRadial(center, radius, colors2,
426 NULL, SK_ARRAY_COUNT(colors2) , 433 NULL, SK_ARRAY_COUNT(colors2) ,
427 SkShader::kClamp_TileMode, 434 SkShader::kClamp_TileMode,
428 flags[i], NULL)); 435 NULL, flags[i]));
429 paint1.setShader(sweep); 436 paint1.setShader(sweep);
430 paint2.setShader(radial1); 437 paint2.setShader(radial1);
431 paint3.setShader(radial2); 438 paint3.setShader(radial2);
432 439
433 canvas->drawCircle(cx, cy, radius, paint1); 440 canvas->drawCircle(cx, cy, radius, paint1);
434 canvas->drawCircle(cx, cy, radius, paint3); 441 canvas->drawCircle(cx, cy, radius, paint3);
435 canvas->drawCircle(cx, cy, radius, paint2); 442 canvas->drawCircle(cx, cy, radius, paint2);
436 443
437 canvas->translate(400, 0); 444 canvas->translate(400, 0);
438 } 445 }
(...skipping 19 matching lines...) Expand all
458 465
459 static GM* MyFactory5(void*) { return new GradientsLocalPerspectiveGM; } 466 static GM* MyFactory5(void*) { return new GradientsLocalPerspectiveGM; }
460 static GMRegistry reg5(MyFactory5); 467 static GMRegistry reg5(MyFactory5);
461 468
462 static GM* MyFactory6(void*) { return new GradientsViewPerspectiveGM; } 469 static GM* MyFactory6(void*) { return new GradientsViewPerspectiveGM; }
463 static GMRegistry reg6(MyFactory6); 470 static GMRegistry reg6(MyFactory6);
464 471
465 static GM* MyFactory7(void*) { return new RadialGradient2GM; } 472 static GM* MyFactory7(void*) { return new RadialGradient2GM; }
466 static GMRegistry reg7(MyFactory7); 473 static GMRegistry reg7(MyFactory7);
467 } 474 }
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