blob: dcfc133d3709ca2aef3c38981788d73b72eb142f [file] [log] [blame]
epoger@google.comec3ed6a2011-07-28 14:26:00 +00001
2/*
3 * 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.
7 */
reed@android.com1a2fec52009-06-22 02:17:34 +00008#include "gm.h"
9#include "SkPath.h"
10#include "SkRegion.h"
11#include "SkShader.h"
12#include "SkUtils.h"
13#include "SkColorPriv.h"
14#include "SkColorFilter.h"
15#include "SkTypeface.h"
16
17// effects
18#include "SkGradientShader.h"
19#include "SkUnitMappers.h"
20#include "SkBlurDrawLooper.h"
21
reed@android.com1a2fec52009-06-22 02:17:34 +000022static void makebm(SkBitmap* bm, SkBitmap::Config config, int w, int h) {
23 bm->setConfig(config, w, h);
24 bm->allocPixels();
junov@google.comdbfac8a2012-12-06 21:47:40 +000025 bm->eraseColor(SK_ColorTRANSPARENT);
rmistry@google.comae933ce2012-08-23 18:19:56 +000026
reed@android.com1a2fec52009-06-22 02:17:34 +000027 SkCanvas canvas(*bm);
28 SkPoint pts[] = { { 0, 0 }, { SkIntToScalar(w), SkIntToScalar(h)} };
29 SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE };
30 SkScalar pos[] = { 0, SK_Scalar1/2, SK_Scalar1 };
31 SkPaint paint;
rmistry@google.comae933ce2012-08-23 18:19:56 +000032
33 SkUnitMapper* um = NULL;
reed@android.com1a2fec52009-06-22 02:17:34 +000034
35 um = new SkCosineMapper;
36// um = new SkDiscreteMapper(12);
37
38 SkAutoUnref au(um);
39
40 paint.setDither(true);
41 paint.setShader(SkGradientShader::CreateLinear(pts, colors, pos,
42 SK_ARRAY_COUNT(colors), SkShader::kClamp_TileMode, um))->unref();
43 canvas.drawPaint(paint);
44}
45
46static void setup(SkPaint* paint, const SkBitmap& bm, bool filter,
47 SkShader::TileMode tmx, SkShader::TileMode tmy) {
48 SkShader* shader = SkShader::CreateBitmapShader(bm, tmx, tmy);
49 paint->setShader(shader)->unref();
reed@google.com44699382013-10-31 17:28:30 +000050 paint->setFilterLevel(filter ? SkPaint::kLow_FilterLevel : SkPaint::kNone_FilterLevel);
reed@android.com1a2fec52009-06-22 02:17:34 +000051}
52
53static const SkBitmap::Config gConfigs[] = {
54 SkBitmap::kARGB_8888_Config,
55 SkBitmap::kRGB_565_Config,
reed@android.com1a2fec52009-06-22 02:17:34 +000056};
reed@android.com1a2fec52009-06-22 02:17:34 +000057
mike@reedtribe.orga0591692012-10-18 02:01:59 +000058class TilingGM : public skiagm::GM {
reed@android.com1a2fec52009-06-22 02:17:34 +000059public:
commit-bot@chromium.org37799e12013-07-25 17:52:32 +000060 TilingGM(bool powerOfTwoSize)
robertphillips@google.com6db2ae22013-08-30 12:41:42 +000061 : fPowerOfTwoSize(powerOfTwoSize) {
reed@android.com1a2fec52009-06-22 02:17:34 +000062 }
63
64 SkBitmap fTexture[SK_ARRAY_COUNT(gConfigs)];
rmistry@google.comae933ce2012-08-23 18:19:56 +000065
reed@android.com1a2fec52009-06-22 02:17:34 +000066protected:
commit-bot@chromium.org37799e12013-07-25 17:52:32 +000067
68 enum {
69 kPOTSize = 32,
70 kNPOTSize = 21,
71 };
72
reed@android.com1a2fec52009-06-22 02:17:34 +000073 SkString onShortName() {
commit-bot@chromium.org37799e12013-07-25 17:52:32 +000074 SkString name("tilemodes");
75 if (!fPowerOfTwoSize) {
76 name.append("_npot");
77 }
78 return name;
reed@android.com1a2fec52009-06-22 02:17:34 +000079 }
rmistry@google.comae933ce2012-08-23 18:19:56 +000080
mike@reedtribe.orga0591692012-10-18 02:01:59 +000081 SkISize onISize() { return SkISize::Make(880, 560); }
rmistry@google.comae933ce2012-08-23 18:19:56 +000082
reed@google.com7775d662012-11-27 15:15:58 +000083 virtual void onOnceBeforeDraw() SK_OVERRIDE {
commit-bot@chromium.org37799e12013-07-25 17:52:32 +000084 int size = fPowerOfTwoSize ? kPOTSize : kNPOTSize;
reed@google.com7775d662012-11-27 15:15:58 +000085 for (size_t i = 0; i < SK_ARRAY_COUNT(gConfigs); i++) {
commit-bot@chromium.org37799e12013-07-25 17:52:32 +000086 makebm(&fTexture[i], gConfigs[i], size, size);
reed@google.com7775d662012-11-27 15:15:58 +000087 }
88 }
89
90 virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
rmistry@google.comae933ce2012-08-23 18:19:56 +000091
commit-bot@chromium.org37799e12013-07-25 17:52:32 +000092 int size = fPowerOfTwoSize ? kPOTSize : kNPOTSize;
93
94 SkRect r = { 0, 0, SkIntToScalar(size*2), SkIntToScalar(size*2) };
reed@android.com1a2fec52009-06-22 02:17:34 +000095
96 static const char* gConfigNames[] = { "8888", "565", "4444" };
rmistry@google.comae933ce2012-08-23 18:19:56 +000097
reed@android.com1a2fec52009-06-22 02:17:34 +000098 static const bool gFilters[] = { false, true };
99 static const char* gFilterNames[] = { "point", "bilinear" };
rmistry@google.comae933ce2012-08-23 18:19:56 +0000100
reed@android.com1a2fec52009-06-22 02:17:34 +0000101 static const SkShader::TileMode gModes[] = { SkShader::kClamp_TileMode, SkShader::kRepeat_TileMode, SkShader::kMirror_TileMode };
102 static const char* gModeNames[] = { "C", "R", "M" };
103
104 SkScalar y = SkIntToScalar(24);
105 SkScalar x = SkIntToScalar(10);
106
107 for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
108 for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) {
109 SkPaint p;
110 SkString str;
111 p.setAntiAlias(true);
112 p.setDither(true);
reed@android.com1a2fec52009-06-22 02:17:34 +0000113 str.printf("[%s,%s]", gModeNames[kx], gModeNames[ky]);
114
115 p.setTextAlign(SkPaint::kCenter_Align);
116 canvas->drawText(str.c_str(), str.size(), x + r.width()/2, y, p);
rmistry@google.comae933ce2012-08-23 18:19:56 +0000117
reed@android.com1a2fec52009-06-22 02:17:34 +0000118 x += r.width() * 4 / 3;
119 }
120 }
rmistry@google.comae933ce2012-08-23 18:19:56 +0000121
reed@android.com1a2fec52009-06-22 02:17:34 +0000122 y += SkIntToScalar(16);
123
124 for (size_t i = 0; i < SK_ARRAY_COUNT(gConfigs); i++) {
125 for (size_t j = 0; j < SK_ARRAY_COUNT(gFilters); j++) {
126 x = SkIntToScalar(10);
127 for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
128 for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) {
129 SkPaint paint;
bsalomon@google.comab3c6782013-08-06 20:47:52 +0000130#if 1 // Temporary change to regen bitmap before each draw. This may help tracking down an issue
131 // on SGX where resizing NPOT textures to POT textures exhibits a driver bug.
132 if (!fPowerOfTwoSize) {
133 makebm(&fTexture[i], gConfigs[i], size, size);
134 }
135#endif
reed@android.com1a2fec52009-06-22 02:17:34 +0000136 setup(&paint, fTexture[i], gFilters[j], gModes[kx], gModes[ky]);
137 paint.setDither(true);
rmistry@google.comae933ce2012-08-23 18:19:56 +0000138
reed@android.com1a2fec52009-06-22 02:17:34 +0000139 canvas->save();
140 canvas->translate(x, y);
141 canvas->drawRect(r, paint);
142 canvas->restore();
rmistry@google.comae933ce2012-08-23 18:19:56 +0000143
reed@android.com1a2fec52009-06-22 02:17:34 +0000144 x += r.width() * 4 / 3;
145 }
146 }
147 {
148 SkPaint p;
149 SkString str;
150 p.setAntiAlias(true);
reed@android.com1a2fec52009-06-22 02:17:34 +0000151 str.printf("%s, %s", gConfigNames[i], gFilterNames[j]);
152 canvas->drawText(str.c_str(), str.size(), x, y + r.height() * 2 / 3, p);
153 }
154
155 y += r.height() * 4 / 3;
156 }
157 }
158 }
rmistry@google.comae933ce2012-08-23 18:19:56 +0000159
reed@android.com1a2fec52009-06-22 02:17:34 +0000160private:
commit-bot@chromium.org37799e12013-07-25 17:52:32 +0000161 bool fPowerOfTwoSize;
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000162 typedef skiagm::GM INHERITED;
163};
164
commit-bot@chromium.org37799e12013-07-25 17:52:32 +0000165static const int gWidth = 32;
166static const int gHeight = 32;
167
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000168static SkShader* make_bm(SkShader::TileMode tx, SkShader::TileMode ty) {
169 SkBitmap bm;
170 makebm(&bm, SkBitmap::kARGB_8888_Config, gWidth, gHeight);
171 return SkShader::CreateBitmapShader(bm, tx, ty);
172}
173
174static SkShader* make_grad(SkShader::TileMode tx, SkShader::TileMode ty) {
175 SkPoint pts[] = { { 0, 0 }, { SkIntToScalar(gWidth), SkIntToScalar(gHeight)} };
176 SkPoint center = { SkIntToScalar(gWidth)/2, SkIntToScalar(gHeight)/2 };
177 SkScalar rad = SkIntToScalar(gWidth)/2;
178 SkColor colors[] = { 0xFFFF0000, 0xFF0044FF };
179
180 int index = (int)ty;
181 switch (index % 3) {
182 case 0:
183 return SkGradientShader::CreateLinear(pts, colors, NULL, SK_ARRAY_COUNT(colors), tx);
184 case 1:
185 return SkGradientShader::CreateRadial(center, rad, colors, NULL, SK_ARRAY_COUNT(colors), tx);
186 case 2:
187 return SkGradientShader::CreateSweep(center.fX, center.fY, colors, NULL, SK_ARRAY_COUNT(colors));
188 }
robertphillips@google.com93f03322012-12-03 17:35:19 +0000189
190 return NULL;
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000191}
192
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000193typedef SkShader* (*ShaderProc)(SkShader::TileMode, SkShader::TileMode);
194
195class Tiling2GM : public skiagm::GM {
196 ShaderProc fProc;
197 SkString fName;
198public:
199 Tiling2GM(ShaderProc proc, const char name[]) : fProc(proc) {
200 fName.printf("tilemode_%s", name);
201 }
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000202
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000203protected:
204 SkString onShortName() {
205 return fName;
206 }
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000207
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000208 SkISize onISize() { return SkISize::Make(880, 560); }
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000209
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000210 virtual void onDraw(SkCanvas* canvas) {
211 canvas->scale(SkIntToScalar(3)/2, SkIntToScalar(3)/2);
212
213 const SkScalar w = SkIntToScalar(gWidth);
214 const SkScalar h = SkIntToScalar(gHeight);
215 SkRect r = { -w, -h, w*2, h*2 };
216
217 static const SkShader::TileMode gModes[] = {
218 SkShader::kClamp_TileMode, SkShader::kRepeat_TileMode, SkShader::kMirror_TileMode
219 };
220 static const char* gModeNames[] = {
221 "Clamp", "Repeat", "Mirror"
222 };
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000223
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000224 SkScalar y = SkIntToScalar(24);
225 SkScalar x = SkIntToScalar(66);
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000226
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000227 SkPaint p;
228 p.setAntiAlias(true);
229 p.setTextAlign(SkPaint::kCenter_Align);
230
231 for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
232 SkString str(gModeNames[kx]);
233 canvas->drawText(str.c_str(), str.size(), x + r.width()/2, y, p);
234 x += r.width() * 4 / 3;
235 }
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000236
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000237 y += SkIntToScalar(16) + h;
238 p.setTextAlign(SkPaint::kRight_Align);
239
240 for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) {
241 x = SkIntToScalar(16) + w;
242
243 SkString str(gModeNames[ky]);
244 canvas->drawText(str.c_str(), str.size(), x, y + h/2, p);
245
246 x += SkIntToScalar(50);
247 for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
248 SkPaint paint;
249 paint.setShader(fProc(gModes[kx], gModes[ky]))->unref();
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000250
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000251 canvas->save();
252 canvas->translate(x, y);
253 canvas->drawRect(r, paint);
254 canvas->restore();
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000255
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000256 x += r.width() * 4 / 3;
257 }
258 y += r.height() * 4 / 3;
259 }
260 }
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000261
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000262private:
263 typedef skiagm::GM INHERITED;
reed@android.com1a2fec52009-06-22 02:17:34 +0000264};
265
266//////////////////////////////////////////////////////////////////////////////
267
commit-bot@chromium.org37799e12013-07-25 17:52:32 +0000268DEF_GM( return new TilingGM(true); )
269DEF_GM( return new TilingGM(false); )
reed@google.com39342002013-02-22 17:28:16 +0000270DEF_GM( return new Tiling2GM(make_bm, "bitmap"); )
271DEF_GM( return new Tiling2GM(make_grad, "gradient"); )