epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
| 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.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 8 | #include "SampleCode.h" |
| 9 | #include "SkView.h" |
| 10 | #include "SkCanvas.h" |
| 11 | #include "SkGradientShader.h" |
| 12 | #include "SkGraphics.h" |
| 13 | #include "SkImageDecoder.h" |
| 14 | #include "SkPath.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 15 | #include "SkRegion.h" |
| 16 | #include "SkShader.h" |
| 17 | #include "SkUtils.h" |
| 18 | #include "SkXfermode.h" |
reed@android.com | 0767e47 | 2008-12-23 16:06:51 +0000 | [diff] [blame] | 19 | #include "SkComposeShader.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 20 | #include "SkColorPriv.h" |
| 21 | #include "SkColorFilter.h" |
| 22 | #include "SkTime.h" |
| 23 | #include "SkTypeface.h" |
| 24 | |
| 25 | #include "SkImageRef_GlobalPool.h" |
| 26 | #include "SkOSFile.h" |
| 27 | #include "SkStream.h" |
| 28 | |
| 29 | #include "SkBlurDrawLooper.h" |
| 30 | #include "SkColorMatrixFilter.h" |
| 31 | |
| 32 | static void drawmarshmallow(SkCanvas* canvas) { |
| 33 | SkBitmap bitmap; |
| 34 | SkPaint paint; |
| 35 | SkRect r; |
| 36 | SkMatrix m; |
| 37 | |
| 38 | SkImageDecoder::DecodeFile("/Users/reed/Downloads/3elfs.jpg", &bitmap); |
reed@google.com | 5f068f1 | 2011-07-06 18:16:00 +0000 | [diff] [blame] | 39 | if (!bitmap.pixelRef()) { |
| 40 | return; |
| 41 | } |
| 42 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 43 | SkShader* s = SkShader::CreateBitmapShader(bitmap, |
| 44 | SkShader::kRepeat_TileMode, |
| 45 | SkShader::kRepeat_TileMode); |
| 46 | paint.setShader(s)->unref(); |
| 47 | m.setTranslate(SkIntToScalar(250), SkIntToScalar(134)); |
| 48 | s->setLocalMatrix(m); |
| 49 | |
| 50 | r.set(SkIntToScalar(250), |
| 51 | SkIntToScalar(134), |
| 52 | SkIntToScalar(250 + 449), |
| 53 | SkIntToScalar(134 + 701)); |
| 54 | paint.setFlags(2); |
| 55 | |
| 56 | canvas->drawRect(r, paint); |
| 57 | } |
| 58 | |
| 59 | static void DrawRoundRect(SkCanvas& canvas) { |
| 60 | bool ret = false; |
| 61 | SkPaint paint; |
| 62 | SkBitmap bitmap; |
| 63 | SkMatrix matrix; |
| 64 | matrix.reset(); |
| 65 | |
| 66 | bitmap.setConfig(SkBitmap::kARGB_8888_Config, 1370, 812); |
| 67 | bitmap.allocPixels(); |
| 68 | #if 0 |
| 69 | SkCanvas canvas; |
| 70 | canvas.setBitmapDevice(bitmap); |
| 71 | #endif |
| 72 | |
| 73 | // set up clipper |
| 74 | SkRect skclip; |
bsalomon@google.com | 820e80a | 2011-10-24 21:09:40 +0000 | [diff] [blame] | 75 | skclip.set(SkIntToScalar(284), SkIntToScalar(40), SkIntToScalar(1370), SkIntToScalar(708)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 76 | |
| 77 | // ret = canvas.clipRect(skclip); |
| 78 | // SkASSERT(ret); |
| 79 | |
bsalomon@google.com | 820e80a | 2011-10-24 21:09:40 +0000 | [diff] [blame] | 80 | matrix.set(SkMatrix::kMTransX, SkFloatToScalar(-1153.28f)); |
| 81 | matrix.set(SkMatrix::kMTransY, SkFloatToScalar(1180.50f)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 82 | |
bsalomon@google.com | 820e80a | 2011-10-24 21:09:40 +0000 | [diff] [blame] | 83 | matrix.set(SkMatrix::kMScaleX, SkFloatToScalar(0.177171f)); |
| 84 | matrix.set(SkMatrix::kMScaleY, SkFloatToScalar(0.177043f)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 85 | |
bsalomon@google.com | 820e80a | 2011-10-24 21:09:40 +0000 | [diff] [blame] | 86 | matrix.set(SkMatrix::kMSkewX, SkFloatToScalar(0.126968f)); |
| 87 | matrix.set(SkMatrix::kMSkewY, SkFloatToScalar(-0.126876f)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 88 | |
bsalomon@google.com | 820e80a | 2011-10-24 21:09:40 +0000 | [diff] [blame] | 89 | matrix.set(SkMatrix::kMPersp0, SkFloatToScalar(0.0f)); |
| 90 | matrix.set(SkMatrix::kMPersp1, SkFloatToScalar(0.0f)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 91 | |
| 92 | ret = canvas.concat(matrix); |
| 93 | |
| 94 | paint.setAntiAlias(true); |
| 95 | paint.setColor(0xb2202020); |
| 96 | paint.setStyle(SkPaint::kStroke_Style); |
bsalomon@google.com | 820e80a | 2011-10-24 21:09:40 +0000 | [diff] [blame] | 97 | paint.setStrokeWidth(SkFloatToScalar(68.13f)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 98 | |
| 99 | SkRect r; |
bsalomon@google.com | 820e80a | 2011-10-24 21:09:40 +0000 | [diff] [blame] | 100 | r.set(SkFloatToScalar(-313.714417f), SkFloatToScalar(-4.826389f), SkFloatToScalar(18014.447266f), SkFloatToScalar(1858.154541f)); |
| 101 | canvas.drawRoundRect(r, SkFloatToScalar(91.756363f), SkFloatToScalar(91.756363f), paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 102 | } |
| 103 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 104 | static bool SetImageRef(SkBitmap* bitmap, SkStream* stream, |
| 105 | SkBitmap::Config pref, const char name[] = NULL) { |
| 106 | #if 0 |
| 107 | // test buffer streams |
| 108 | SkStream* str = new SkBufferStream(stream, 717); |
| 109 | stream->unref(); |
| 110 | stream = str; |
| 111 | #endif |
| 112 | |
| 113 | SkImageRef* ref = new SkImageRef_GlobalPool(stream, pref, 1); |
| 114 | ref->setURI(name); |
| 115 | if (!ref->getInfo(bitmap)) { |
| 116 | delete ref; |
| 117 | return false; |
| 118 | } |
| 119 | bitmap->setPixelRef(ref)->unref(); |
| 120 | return true; |
| 121 | } |
| 122 | |
| 123 | //#define SPECIFIC_IMAGE "/skimages/72.jpg" |
| 124 | #define SPECIFIC_IMAGE "/Users/reed/Downloads/3elfs.jpg" |
| 125 | |
| 126 | #define IMAGE_DIR "/skimages/" |
| 127 | #define IMAGE_SUFFIX ".gif" |
| 128 | |
| 129 | class ImageDirView : public SkView { |
| 130 | public: |
| 131 | SkBitmap* fBitmaps; |
| 132 | SkString* fStrings; |
| 133 | int fBitmapCount; |
| 134 | int fCurrIndex; |
| 135 | SkScalar fSaturation; |
| 136 | SkScalar fAngle; |
| 137 | |
| 138 | ImageDirView() { |
| 139 | SkImageRef_GlobalPool::SetRAMBudget(320 * 1024); |
| 140 | |
| 141 | #ifdef SPECIFIC_IMAGE |
| 142 | fBitmaps = new SkBitmap[3]; |
| 143 | fStrings = new SkString[3]; |
| 144 | fBitmapCount = 3; |
| 145 | const SkBitmap::Config configs[] = { |
| 146 | SkBitmap::kARGB_8888_Config, |
| 147 | SkBitmap::kRGB_565_Config, |
| 148 | SkBitmap::kARGB_4444_Config |
| 149 | }; |
| 150 | for (int i = 0; i < fBitmapCount; i++) { |
| 151 | #if 1 |
| 152 | SkStream* stream = new SkFILEStream(SPECIFIC_IMAGE); |
| 153 | SetImageRef(&fBitmaps[i], stream, configs[i], SPECIFIC_IMAGE); |
reed@android.com | 791f5a1 | 2009-03-16 13:53:11 +0000 | [diff] [blame] | 154 | stream->unref(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 155 | #else |
| 156 | SkImageDecoder::DecodeFile(SPECIFIC_IMAGE, &fBitmaps[i]); |
| 157 | #endif |
| 158 | } |
| 159 | #else |
| 160 | int i, N = 0; |
| 161 | SkOSFile::Iter iter(IMAGE_DIR, IMAGE_SUFFIX); |
| 162 | SkString name; |
| 163 | while (iter.next(&name)) { |
| 164 | N += 1; |
| 165 | } |
| 166 | fBitmaps = new SkBitmap[N]; |
| 167 | fStrings = new SkString[N]; |
| 168 | iter.reset(IMAGE_DIR, IMAGE_SUFFIX); |
| 169 | for (i = 0; i < N; i++) { |
| 170 | iter.next(&name); |
| 171 | SkString path(IMAGE_DIR); |
| 172 | path.append(name); |
| 173 | SkStream* stream = new SkFILEStream(path.c_str()); |
| 174 | |
| 175 | SetImageRef(&fBitmaps[i], stream, SkBitmap::kNo_Config, |
| 176 | name.c_str()); |
reed@android.com | 791f5a1 | 2009-03-16 13:53:11 +0000 | [diff] [blame] | 177 | stream->unref(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 178 | fStrings[i] = name; |
| 179 | } |
| 180 | fBitmapCount = N; |
| 181 | #endif |
| 182 | fCurrIndex = 0; |
| 183 | fDX = fDY = 0; |
| 184 | |
| 185 | fSaturation = SK_Scalar1; |
| 186 | fAngle = 0; |
| 187 | |
| 188 | fScale = SK_Scalar1; |
| 189 | } |
| 190 | |
| 191 | virtual ~ImageDirView() { |
| 192 | delete[] fBitmaps; |
| 193 | delete[] fStrings; |
| 194 | |
| 195 | SkImageRef_GlobalPool::DumpPool(); |
| 196 | } |
| 197 | |
| 198 | protected: |
| 199 | // overrides from SkEventSink |
| 200 | virtual bool onQuery(SkEvent* evt) { |
| 201 | if (SampleCode::TitleQ(*evt)) { |
| 202 | SkString str("ImageDir: "); |
| 203 | #ifdef SPECIFIC_IMAGE |
| 204 | str.append(SPECIFIC_IMAGE); |
| 205 | #else |
| 206 | str.append(IMAGE_DIR); |
| 207 | #endif |
| 208 | SampleCode::TitleR(evt, str.c_str()); |
| 209 | return true; |
| 210 | } |
| 211 | return this->INHERITED::onQuery(evt); |
| 212 | } |
| 213 | |
| 214 | void drawBG(SkCanvas* canvas) { |
| 215 | // canvas->drawColor(0xFFDDDDDD); |
| 216 | canvas->drawColor(SK_ColorGRAY); |
| 217 | canvas->drawColor(SK_ColorWHITE); |
| 218 | } |
| 219 | |
| 220 | SkScalar fScale; |
| 221 | virtual void onDraw(SkCanvas* canvas) { |
| 222 | this->drawBG(canvas); |
| 223 | |
| 224 | if (true) { |
| 225 | canvas->scale(SkIntToScalar(2), SkIntToScalar(2)); |
| 226 | drawmarshmallow(canvas); |
| 227 | return; |
| 228 | } |
| 229 | |
| 230 | if (false) { |
| 231 | SkPaint p; |
| 232 | p.setStyle(SkPaint::kStroke_Style); |
| 233 | p.setStrokeWidth(SkIntToScalar(4)); |
| 234 | canvas->drawCircle(SkIntToScalar(100), SkIntToScalar(100), SkIntToScalar(50), p); |
| 235 | p.setAntiAlias(true); |
| 236 | canvas->drawCircle(SkIntToScalar(300), SkIntToScalar(100), SkIntToScalar(50), p); |
| 237 | } |
| 238 | if (false) { |
| 239 | SkScalar cx = this->width()/2; |
| 240 | SkScalar cy = this->height()/2; |
| 241 | canvas->translate(cx, cy); |
| 242 | canvas->scale(fScale, fScale); |
| 243 | canvas->translate(-cx, -cy); |
| 244 | DrawRoundRect(*canvas); |
| 245 | return; |
| 246 | } |
reed@android.com | 44a6312 | 2009-05-30 02:40:28 +0000 | [diff] [blame] | 247 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 248 | canvas->translate(SkIntToScalar(10), SkIntToScalar(10)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 249 | |
| 250 | SkScalar x = SkIntToScalar(32), y = SkIntToScalar(32); |
| 251 | SkPaint paint; |
reed@android.com | 44a6312 | 2009-05-30 02:40:28 +0000 | [diff] [blame] | 252 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 253 | #if 0 |
| 254 | for (int i = 0; i < fBitmapCount; i++) { |
| 255 | SkPaint p; |
| 256 | |
| 257 | #if 1 |
| 258 | const SkScalar cm[] = { |
| 259 | SkIntToScalar(2), 0, 0, 0, SkIntToScalar(-255), |
| 260 | 0, SkIntToScalar(2), 0, 0, SkIntToScalar(-255), |
| 261 | 0, 0, SkIntToScalar(2), 0, SkIntToScalar(-255), |
| 262 | 0, 0, 0, SkIntToScalar(1), 0 |
| 263 | }; |
| 264 | SkColorFilter* cf = new SkColorMatrixFilter(cm); |
| 265 | p.setColorFilter(cf)->unref(); |
| 266 | #endif |
| 267 | |
| 268 | canvas->drawBitmap(fBitmaps[i], x, y, &p); |
| 269 | x += SkIntToScalar(fBitmaps[i].width() + 10); |
| 270 | } |
| 271 | return; |
| 272 | #endif |
| 273 | |
| 274 | canvas->drawBitmap(fBitmaps[fCurrIndex], x, y, &paint); |
| 275 | #ifndef SPECIFIC_IMAGE |
| 276 | if (true) { |
| 277 | fCurrIndex += 1; |
| 278 | if (fCurrIndex >= fBitmapCount) { |
| 279 | fCurrIndex = 0; |
| 280 | } |
| 281 | this->inval(NULL); |
| 282 | } |
| 283 | #endif |
| 284 | } |
| 285 | |
| 286 | virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) { |
| 287 | if (true) { |
| 288 | fCurrIndex += 1; |
| 289 | if (fCurrIndex >= fBitmapCount) |
| 290 | fCurrIndex = 0; |
| 291 | this->inval(NULL); |
| 292 | } |
| 293 | return new Click(this); |
| 294 | } |
| 295 | |
| 296 | virtual bool onClick(Click* click) { |
| 297 | SkScalar center = this->width()/2; |
| 298 | fSaturation = SkScalarDiv(click->fCurr.fX - center, center/2); |
| 299 | center = this->height()/2; |
| 300 | fAngle = SkScalarDiv(click->fCurr.fY - center, center) * 180; |
| 301 | |
| 302 | fDX += click->fCurr.fX - click->fPrev.fX; |
| 303 | fDY += click->fCurr.fY - click->fPrev.fY; |
| 304 | |
| 305 | fScale = SkScalarDiv(click->fCurr.fX, this->width()); |
| 306 | |
| 307 | this->inval(NULL); |
| 308 | return true; |
| 309 | return this->INHERITED::onClick(click); |
| 310 | } |
| 311 | |
| 312 | private: |
| 313 | SkScalar fDX, fDY; |
| 314 | typedef SkView INHERITED; |
| 315 | }; |
| 316 | |
| 317 | ////////////////////////////////////////////////////////////////////////////// |
| 318 | |
| 319 | static SkView* MyFactory() { return new ImageDirView; } |
| 320 | static SkViewRegister reg(MyFactory); |
| 321 | |