blob: 99d3a4708b1c48c3a51467468a87c19b3b7d058c [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"
reed@android.com1a2fec52009-06-22 02:17:34 +000019#include "SkBlurDrawLooper.h"
20
commit-bot@chromium.orgdac52252014-02-17 21:21:46 +000021static void makebm(SkBitmap* bm, SkColorType ct, int w, int h) {
22 bm->allocPixels(SkImageInfo::Make(w, h, ct, kPremul_SkAlphaType));
junov@google.comdbfac8a2012-12-06 21:47:40 +000023 bm->eraseColor(SK_ColorTRANSPARENT);
rmistry@google.comae933ce2012-08-23 18:19:56 +000024
reed@android.com1a2fec52009-06-22 02:17:34 +000025 SkCanvas canvas(*bm);
26 SkPoint pts[] = { { 0, 0 }, { SkIntToScalar(w), SkIntToScalar(h)} };
27 SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE };
28 SkScalar pos[] = { 0, SK_Scalar1/2, SK_Scalar1 };
29 SkPaint paint;
rmistry@google.comae933ce2012-08-23 18:19:56 +000030
reed@android.com1a2fec52009-06-22 02:17:34 +000031 paint.setDither(true);
32 paint.setShader(SkGradientShader::CreateLinear(pts, colors, pos,
commit-bot@chromium.org83f23d82014-05-22 12:27:41 +000033 SK_ARRAY_COUNT(colors), SkShader::kClamp_TileMode))->unref();
reed@android.com1a2fec52009-06-22 02:17:34 +000034 canvas.drawPaint(paint);
35}
36
37static void setup(SkPaint* paint, const SkBitmap& bm, bool filter,
38 SkShader::TileMode tmx, SkShader::TileMode tmy) {
39 SkShader* shader = SkShader::CreateBitmapShader(bm, tmx, tmy);
40 paint->setShader(shader)->unref();
reed@google.com44699382013-10-31 17:28:30 +000041 paint->setFilterLevel(filter ? SkPaint::kLow_FilterLevel : SkPaint::kNone_FilterLevel);
reed@android.com1a2fec52009-06-22 02:17:34 +000042}
43
commit-bot@chromium.orgdac52252014-02-17 21:21:46 +000044static const SkColorType gColorTypes[] = {
commit-bot@chromium.org28fcae22014-04-11 17:15:40 +000045 kN32_SkColorType,
commit-bot@chromium.orgdac52252014-02-17 21:21:46 +000046 kRGB_565_SkColorType,
reed@android.com1a2fec52009-06-22 02:17:34 +000047};
reed@android.com1a2fec52009-06-22 02:17:34 +000048
mike@reedtribe.orga0591692012-10-18 02:01:59 +000049class TilingGM : public skiagm::GM {
reed@android.com1a2fec52009-06-22 02:17:34 +000050public:
commit-bot@chromium.org37799e12013-07-25 17:52:32 +000051 TilingGM(bool powerOfTwoSize)
robertphillips@google.com6db2ae22013-08-30 12:41:42 +000052 : fPowerOfTwoSize(powerOfTwoSize) {
reed@android.com1a2fec52009-06-22 02:17:34 +000053 }
54
commit-bot@chromium.orgdac52252014-02-17 21:21:46 +000055 SkBitmap fTexture[SK_ARRAY_COUNT(gColorTypes)];
rmistry@google.comae933ce2012-08-23 18:19:56 +000056
reed@android.com1a2fec52009-06-22 02:17:34 +000057protected:
commit-bot@chromium.org37799e12013-07-25 17:52:32 +000058
59 enum {
60 kPOTSize = 32,
61 kNPOTSize = 21,
62 };
63
reed@android.com1a2fec52009-06-22 02:17:34 +000064 SkString onShortName() {
commit-bot@chromium.org37799e12013-07-25 17:52:32 +000065 SkString name("tilemodes");
66 if (!fPowerOfTwoSize) {
67 name.append("_npot");
68 }
69 return name;
reed@android.com1a2fec52009-06-22 02:17:34 +000070 }
rmistry@google.comae933ce2012-08-23 18:19:56 +000071
mike@reedtribe.orga0591692012-10-18 02:01:59 +000072 SkISize onISize() { return SkISize::Make(880, 560); }
rmistry@google.comae933ce2012-08-23 18:19:56 +000073
reed@google.com7775d662012-11-27 15:15:58 +000074 virtual void onOnceBeforeDraw() SK_OVERRIDE {
commit-bot@chromium.org37799e12013-07-25 17:52:32 +000075 int size = fPowerOfTwoSize ? kPOTSize : kNPOTSize;
commit-bot@chromium.orgdac52252014-02-17 21:21:46 +000076 for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypes); i++) {
77 makebm(&fTexture[i], gColorTypes[i], size, size);
reed@google.com7775d662012-11-27 15:15:58 +000078 }
79 }
80
81 virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
rmistry@google.comae933ce2012-08-23 18:19:56 +000082
commit-bot@chromium.org37799e12013-07-25 17:52:32 +000083 int size = fPowerOfTwoSize ? kPOTSize : kNPOTSize;
84
85 SkRect r = { 0, 0, SkIntToScalar(size*2), SkIntToScalar(size*2) };
reed@android.com1a2fec52009-06-22 02:17:34 +000086
87 static const char* gConfigNames[] = { "8888", "565", "4444" };
rmistry@google.comae933ce2012-08-23 18:19:56 +000088
reed@android.com1a2fec52009-06-22 02:17:34 +000089 static const bool gFilters[] = { false, true };
90 static const char* gFilterNames[] = { "point", "bilinear" };
rmistry@google.comae933ce2012-08-23 18:19:56 +000091
reed@android.com1a2fec52009-06-22 02:17:34 +000092 static const SkShader::TileMode gModes[] = { SkShader::kClamp_TileMode, SkShader::kRepeat_TileMode, SkShader::kMirror_TileMode };
93 static const char* gModeNames[] = { "C", "R", "M" };
94
95 SkScalar y = SkIntToScalar(24);
96 SkScalar x = SkIntToScalar(10);
97
98 for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
99 for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) {
100 SkPaint p;
101 SkString str;
102 p.setAntiAlias(true);
103 p.setDither(true);
reed@android.com1a2fec52009-06-22 02:17:34 +0000104 str.printf("[%s,%s]", gModeNames[kx], gModeNames[ky]);
105
106 p.setTextAlign(SkPaint::kCenter_Align);
107 canvas->drawText(str.c_str(), str.size(), x + r.width()/2, y, p);
rmistry@google.comae933ce2012-08-23 18:19:56 +0000108
reed@android.com1a2fec52009-06-22 02:17:34 +0000109 x += r.width() * 4 / 3;
110 }
111 }
rmistry@google.comae933ce2012-08-23 18:19:56 +0000112
reed@android.com1a2fec52009-06-22 02:17:34 +0000113 y += SkIntToScalar(16);
114
commit-bot@chromium.orgdac52252014-02-17 21:21:46 +0000115 for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypes); i++) {
reed@android.com1a2fec52009-06-22 02:17:34 +0000116 for (size_t j = 0; j < SK_ARRAY_COUNT(gFilters); j++) {
117 x = SkIntToScalar(10);
118 for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
119 for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) {
120 SkPaint paint;
bsalomon@google.comab3c6782013-08-06 20:47:52 +0000121#if 1 // Temporary change to regen bitmap before each draw. This may help tracking down an issue
122 // on SGX where resizing NPOT textures to POT textures exhibits a driver bug.
123 if (!fPowerOfTwoSize) {
commit-bot@chromium.orgdac52252014-02-17 21:21:46 +0000124 makebm(&fTexture[i], gColorTypes[i], size, size);
bsalomon@google.comab3c6782013-08-06 20:47:52 +0000125 }
126#endif
reed@android.com1a2fec52009-06-22 02:17:34 +0000127 setup(&paint, fTexture[i], gFilters[j], gModes[kx], gModes[ky]);
128 paint.setDither(true);
rmistry@google.comae933ce2012-08-23 18:19:56 +0000129
reed@android.com1a2fec52009-06-22 02:17:34 +0000130 canvas->save();
131 canvas->translate(x, y);
132 canvas->drawRect(r, paint);
133 canvas->restore();
rmistry@google.comae933ce2012-08-23 18:19:56 +0000134
reed@android.com1a2fec52009-06-22 02:17:34 +0000135 x += r.width() * 4 / 3;
136 }
137 }
138 {
139 SkPaint p;
140 SkString str;
141 p.setAntiAlias(true);
reed@android.com1a2fec52009-06-22 02:17:34 +0000142 str.printf("%s, %s", gConfigNames[i], gFilterNames[j]);
143 canvas->drawText(str.c_str(), str.size(), x, y + r.height() * 2 / 3, p);
144 }
145
146 y += r.height() * 4 / 3;
147 }
148 }
149 }
rmistry@google.comae933ce2012-08-23 18:19:56 +0000150
reed@android.com1a2fec52009-06-22 02:17:34 +0000151private:
commit-bot@chromium.org37799e12013-07-25 17:52:32 +0000152 bool fPowerOfTwoSize;
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000153 typedef skiagm::GM INHERITED;
154};
155
commit-bot@chromium.org37799e12013-07-25 17:52:32 +0000156static const int gWidth = 32;
157static const int gHeight = 32;
158
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000159static SkShader* make_bm(SkShader::TileMode tx, SkShader::TileMode ty) {
160 SkBitmap bm;
commit-bot@chromium.org28fcae22014-04-11 17:15:40 +0000161 makebm(&bm, kN32_SkColorType, gWidth, gHeight);
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000162 return SkShader::CreateBitmapShader(bm, tx, ty);
163}
164
165static SkShader* make_grad(SkShader::TileMode tx, SkShader::TileMode ty) {
166 SkPoint pts[] = { { 0, 0 }, { SkIntToScalar(gWidth), SkIntToScalar(gHeight)} };
167 SkPoint center = { SkIntToScalar(gWidth)/2, SkIntToScalar(gHeight)/2 };
168 SkScalar rad = SkIntToScalar(gWidth)/2;
169 SkColor colors[] = { 0xFFFF0000, 0xFF0044FF };
170
171 int index = (int)ty;
172 switch (index % 3) {
173 case 0:
174 return SkGradientShader::CreateLinear(pts, colors, NULL, SK_ARRAY_COUNT(colors), tx);
175 case 1:
176 return SkGradientShader::CreateRadial(center, rad, colors, NULL, SK_ARRAY_COUNT(colors), tx);
177 case 2:
178 return SkGradientShader::CreateSweep(center.fX, center.fY, colors, NULL, SK_ARRAY_COUNT(colors));
179 }
robertphillips@google.com93f03322012-12-03 17:35:19 +0000180
181 return NULL;
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000182}
183
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000184typedef SkShader* (*ShaderProc)(SkShader::TileMode, SkShader::TileMode);
185
186class Tiling2GM : public skiagm::GM {
187 ShaderProc fProc;
188 SkString fName;
189public:
190 Tiling2GM(ShaderProc proc, const char name[]) : fProc(proc) {
191 fName.printf("tilemode_%s", name);
192 }
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000193
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000194protected:
commit-bot@chromium.orga90c6802014-04-30 13:20:45 +0000195 virtual uint32_t onGetFlags() const SK_OVERRIDE {
196 return kSkipTiled_Flag;
197 }
198
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000199 SkString onShortName() {
200 return fName;
201 }
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000202
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000203 SkISize onISize() { return SkISize::Make(880, 560); }
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000204
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000205 virtual void onDraw(SkCanvas* canvas) {
206 canvas->scale(SkIntToScalar(3)/2, SkIntToScalar(3)/2);
207
208 const SkScalar w = SkIntToScalar(gWidth);
209 const SkScalar h = SkIntToScalar(gHeight);
210 SkRect r = { -w, -h, w*2, h*2 };
211
212 static const SkShader::TileMode gModes[] = {
213 SkShader::kClamp_TileMode, SkShader::kRepeat_TileMode, SkShader::kMirror_TileMode
214 };
215 static const char* gModeNames[] = {
216 "Clamp", "Repeat", "Mirror"
217 };
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000218
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000219 SkScalar y = SkIntToScalar(24);
220 SkScalar x = SkIntToScalar(66);
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000221
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000222 SkPaint p;
223 p.setAntiAlias(true);
224 p.setTextAlign(SkPaint::kCenter_Align);
225
226 for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
227 SkString str(gModeNames[kx]);
228 canvas->drawText(str.c_str(), str.size(), x + r.width()/2, y, p);
229 x += r.width() * 4 / 3;
230 }
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000231
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000232 y += SkIntToScalar(16) + h;
233 p.setTextAlign(SkPaint::kRight_Align);
234
235 for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) {
236 x = SkIntToScalar(16) + w;
237
238 SkString str(gModeNames[ky]);
239 canvas->drawText(str.c_str(), str.size(), x, y + h/2, p);
240
241 x += SkIntToScalar(50);
242 for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
243 SkPaint paint;
244 paint.setShader(fProc(gModes[kx], gModes[ky]))->unref();
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000245
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000246 canvas->save();
247 canvas->translate(x, y);
248 canvas->drawRect(r, paint);
249 canvas->restore();
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000250
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000251 x += r.width() * 4 / 3;
252 }
253 y += r.height() * 4 / 3;
254 }
255 }
skia.committer@gmail.com6a748ad2012-10-19 02:01:19 +0000256
mike@reedtribe.orga0591692012-10-18 02:01:59 +0000257private:
258 typedef skiagm::GM INHERITED;
reed@android.com1a2fec52009-06-22 02:17:34 +0000259};
260
261//////////////////////////////////////////////////////////////////////////////
262
commit-bot@chromium.org37799e12013-07-25 17:52:32 +0000263DEF_GM( return new TilingGM(true); )
264DEF_GM( return new TilingGM(false); )
reed@google.com39342002013-02-22 17:28:16 +0000265DEF_GM( return new Tiling2GM(make_bm, "bitmap"); )
266DEF_GM( return new Tiling2GM(make_grad, "gradient"); )