reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1 | #include "SkCanvas.h" |
| 2 | #include "SkDevice.h" |
| 3 | #include "SkGLCanvas.h" |
| 4 | #include "SkGraphics.h" |
reed@android.com | b08eb2b | 2009-01-06 20:16:26 +0000 | [diff] [blame] | 5 | #include "SkImageEncoder.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 6 | #include "SkPaint.h" |
| 7 | #include "SkPicture.h" |
| 8 | #include "SkStream.h" |
| 9 | #include "SkWindow.h" |
| 10 | |
| 11 | #include "SampleCode.h" |
| 12 | |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 13 | //#define SK_SUPPORT_GL |
| 14 | |
| 15 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 16 | #include <AGL/agl.h> |
| 17 | #include <OpenGL/gl.h> |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 18 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 19 | |
| 20 | #define ANIMATING_EVENTTYPE "nextSample" |
| 21 | #define ANIMATING_DELAY 750 |
| 22 | |
| 23 | #define USE_OFFSCREEN |
| 24 | |
| 25 | SkViewRegister* SkViewRegister::gHead; |
| 26 | SkViewRegister::SkViewRegister(SkViewFactory fact) : fFact(fact) { |
| 27 | static bool gOnce; |
| 28 | if (!gOnce) { |
| 29 | gHead = NULL; |
| 30 | gOnce = true; |
| 31 | } |
| 32 | |
| 33 | fChain = gHead; |
| 34 | gHead = this; |
| 35 | } |
| 36 | |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 37 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 38 | static AGLContext gAGLContext; |
| 39 | |
| 40 | static void init_gl(WindowRef wref) { |
| 41 | GLint major, minor; |
| 42 | |
| 43 | aglGetVersion(&major, &minor); |
| 44 | SkDebugf("---- agl version %d %d\n", major, minor); |
| 45 | |
| 46 | const GLint pixelAttrs[] = { |
| 47 | AGL_RGBA, |
| 48 | AGL_DEPTH_SIZE, 32, |
| 49 | AGL_OFFSCREEN, |
| 50 | AGL_NONE |
| 51 | }; |
| 52 | |
| 53 | AGLPixelFormat format = aglCreatePixelFormat(pixelAttrs); |
| 54 | SkDebugf("----- agl format %p\n", format); |
| 55 | gAGLContext = aglCreateContext(format, NULL); |
| 56 | SkDebugf("----- agl context %p\n", gAGLContext); |
| 57 | aglDestroyPixelFormat(format); |
| 58 | |
| 59 | aglEnable(gAGLContext, GL_BLEND); |
| 60 | aglEnable(gAGLContext, GL_LINE_SMOOTH); |
| 61 | aglEnable(gAGLContext, GL_POINT_SMOOTH); |
| 62 | aglEnable(gAGLContext, GL_POLYGON_SMOOTH); |
| 63 | |
| 64 | aglSetCurrentContext(gAGLContext); |
| 65 | } |
| 66 | |
| 67 | static void setup_offscreen_gl(const SkBitmap& offscreen, WindowRef wref) { |
| 68 | GLboolean success = true; |
| 69 | |
| 70 | #ifdef USE_OFFSCREEN |
| 71 | success = aglSetOffScreen(gAGLContext, |
| 72 | offscreen.width(), |
| 73 | offscreen.height(), |
| 74 | offscreen.rowBytes(), |
| 75 | offscreen.getPixels()); |
| 76 | #else |
| 77 | success = aglSetWindowRef(gAGLContext, wref); |
| 78 | #endif |
| 79 | |
| 80 | GLenum err = aglGetError(); |
| 81 | if (err) { |
| 82 | SkDebugf("---- setoffscreen %d %d %s [%d %d]\n", success, err, |
| 83 | aglErrorString(err), offscreen.width(), offscreen.height()); |
| 84 | } |
| 85 | |
| 86 | glEnable(GL_BLEND); |
| 87 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
| 88 | glHint(GL_LINE_SMOOTH_HINT, GL_DONT_CARE); |
| 89 | glEnable(GL_TEXTURE_2D); |
| 90 | |
| 91 | glClearColor(0, 0, 0, 0); |
| 92 | glClear(GL_COLOR_BUFFER_BIT); |
| 93 | } |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 94 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 95 | |
| 96 | ////////////////////////////////////////////////////////////////////////////// |
| 97 | |
| 98 | static const char gTitleEvtName[] = "SampleCode_Title_Event"; |
| 99 | static const char gPrefSizeEvtName[] = "SampleCode_PrefSize_Event"; |
| 100 | |
| 101 | bool SampleCode::TitleQ(const SkEvent& evt) { |
| 102 | return evt.isType(gTitleEvtName, sizeof(gTitleEvtName) - 1); |
| 103 | } |
| 104 | |
| 105 | void SampleCode::TitleR(SkEvent* evt, const char title[]) { |
| 106 | SkASSERT(evt && TitleQ(*evt)); |
| 107 | evt->setString(gTitleEvtName, title); |
| 108 | } |
| 109 | |
| 110 | bool SampleCode::PrefSizeQ(const SkEvent& evt) { |
| 111 | return evt.isType(gPrefSizeEvtName, sizeof(gPrefSizeEvtName) - 1); |
| 112 | } |
| 113 | |
| 114 | void SampleCode::PrefSizeR(SkEvent* evt, SkScalar width, SkScalar height) { |
| 115 | SkASSERT(evt && PrefSizeQ(*evt)); |
| 116 | SkScalar size[2]; |
| 117 | size[0] = width; |
| 118 | size[1] = height; |
| 119 | evt->setScalars(gPrefSizeEvtName, 2, size); |
| 120 | } |
| 121 | |
| 122 | ////////////////////////////////////////////////////////////////////////////// |
| 123 | |
| 124 | class SampleWindow : public SkOSWindow { |
| 125 | public: |
| 126 | SampleWindow(void* hwnd); |
| 127 | virtual ~SampleWindow(); |
| 128 | |
| 129 | protected: |
| 130 | virtual void onDraw(SkCanvas* canvas); |
| 131 | virtual bool onHandleKey(SkKey key); |
| 132 | virtual bool onHandleChar(SkUnichar); |
| 133 | virtual void onSizeChange(); |
| 134 | |
| 135 | virtual SkCanvas* beforeChildren(SkCanvas*); |
| 136 | virtual void afterChildren(SkCanvas*); |
reed@android.com | 6c5f6f2 | 2009-08-14 16:08:38 +0000 | [diff] [blame^] | 137 | virtual void beforeChild(SkView* child, SkCanvas* canvas); |
| 138 | virtual void afterChild(SkView* child, SkCanvas* canvas); |
| 139 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 140 | virtual bool onEvent(const SkEvent& evt); |
| 141 | |
| 142 | #if 0 |
| 143 | virtual bool handleChar(SkUnichar uni); |
| 144 | virtual bool handleEvent(const SkEvent& evt); |
| 145 | virtual bool handleKey(SkKey key); |
| 146 | virtual bool handleKeyUp(SkKey key); |
| 147 | |
| 148 | virtual bool onClick(Click* click); |
| 149 | virtual Click* onFindClickHandler(SkScalar x, SkScalar y); |
| 150 | virtual bool onHandleKeyUp(SkKey key); |
| 151 | #endif |
| 152 | private: |
| 153 | const SkViewRegister* fCurr; |
| 154 | |
| 155 | SkPicture* fPicture; |
| 156 | SkGLCanvas* fGLCanvas; |
| 157 | SkPath fClipPath; |
| 158 | |
| 159 | enum CanvasType { |
| 160 | kRaster_CanvasType, |
| 161 | kPicture_CanvasType, |
| 162 | kOpenGL_CanvasType |
| 163 | }; |
| 164 | CanvasType fCanvasType; |
| 165 | |
| 166 | bool fUseClip; |
| 167 | bool fRepeatDrawing; |
| 168 | bool fAnimating; |
reed@android.com | 6c5f6f2 | 2009-08-14 16:08:38 +0000 | [diff] [blame^] | 169 | bool fRotate; |
| 170 | bool fScale; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 171 | |
| 172 | int fScrollTestX, fScrollTestY; |
| 173 | |
| 174 | void loadView(SkView*); |
| 175 | void updateTitle(); |
| 176 | bool nextSample(); |
| 177 | |
| 178 | void postAnimatingEvent() { |
| 179 | if (fAnimating) { |
| 180 | SkEvent* evt = new SkEvent(ANIMATING_EVENTTYPE); |
| 181 | evt->post(this->getSinkID(), ANIMATING_DELAY); |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | |
| 186 | static CanvasType cycle_canvastype(CanvasType); |
| 187 | |
| 188 | typedef SkOSWindow INHERITED; |
| 189 | }; |
| 190 | |
| 191 | SampleWindow::CanvasType SampleWindow::cycle_canvastype(CanvasType ct) { |
| 192 | static const CanvasType gCT[] = { |
| 193 | kPicture_CanvasType, |
| 194 | kOpenGL_CanvasType, |
| 195 | kRaster_CanvasType |
| 196 | }; |
| 197 | return gCT[ct]; |
| 198 | } |
| 199 | |
| 200 | SampleWindow::SampleWindow(void* hwnd) : INHERITED(hwnd) { |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 201 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 202 | init_gl((WindowRef)hwnd); |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 203 | #endif |
| 204 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 205 | fPicture = NULL; |
| 206 | fGLCanvas = NULL; |
| 207 | |
| 208 | fCanvasType = kRaster_CanvasType; |
| 209 | fUseClip = false; |
| 210 | fRepeatDrawing = false; |
| 211 | fAnimating = false; |
reed@android.com | 6c5f6f2 | 2009-08-14 16:08:38 +0000 | [diff] [blame^] | 212 | fRotate = false; |
| 213 | fScale = false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 214 | |
| 215 | fScrollTestX = fScrollTestY = 0; |
| 216 | |
| 217 | // this->setConfig(SkBitmap::kRGB_565_Config); |
| 218 | this->setConfig(SkBitmap::kARGB_8888_Config); |
| 219 | this->setVisibleP(true); |
| 220 | |
| 221 | fCurr = SkViewRegister::Head(); |
| 222 | this->loadView(fCurr->factory()()); |
| 223 | } |
| 224 | |
| 225 | SampleWindow::~SampleWindow() { |
| 226 | delete fPicture; |
| 227 | delete fGLCanvas; |
| 228 | } |
| 229 | |
| 230 | void SampleWindow::onDraw(SkCanvas* canvas) { |
| 231 | if (fRepeatDrawing) { |
| 232 | this->inval(NULL); |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | #include "SkColorPriv.h" |
| 237 | |
| 238 | static void reverseRedAndBlue(const SkBitmap& bm) { |
| 239 | SkASSERT(bm.config() == SkBitmap::kARGB_8888_Config); |
| 240 | uint8_t* p = (uint8_t*)bm.getPixels(); |
| 241 | uint8_t* stop = p + bm.getSize(); |
| 242 | while (p < stop) { |
| 243 | // swap red/blue (to go from ARGB(int) to RGBA(memory) and premultiply |
| 244 | unsigned scale = SkAlpha255To256(p[3]); |
| 245 | unsigned r = p[2]; |
| 246 | unsigned b = p[0]; |
| 247 | p[0] = SkAlphaMul(r, scale); |
| 248 | p[1] = SkAlphaMul(p[1], scale); |
| 249 | p[2] = SkAlphaMul(b, scale); |
| 250 | p += 4; |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | SkCanvas* SampleWindow::beforeChildren(SkCanvas* canvas) { |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 255 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 256 | #ifndef USE_OFFSCREEN |
| 257 | aglSetWindowRef(gAGLContext, NULL); |
| 258 | #endif |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 259 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 260 | switch (fCanvasType) { |
| 261 | case kRaster_CanvasType: |
| 262 | canvas = this->INHERITED::beforeChildren(canvas); |
| 263 | break; |
| 264 | case kPicture_CanvasType: |
| 265 | fPicture = new SkPicture; |
| 266 | canvas = fPicture->beginRecording(9999, 9999); |
| 267 | break; |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 268 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 269 | case kOpenGL_CanvasType: { |
| 270 | //SkGLCanvas::DeleteAllTextures(); // just for testing |
| 271 | SkDevice* device = canvas->getDevice(); |
| 272 | const SkBitmap& bitmap = device->accessBitmap(true); |
| 273 | // first clear the raster bitmap, so we don't see any leftover bits |
| 274 | bitmap.eraseColor(0); |
| 275 | // now setup our glcanvas |
| 276 | setup_offscreen_gl(bitmap, (WindowRef)this->getHWND()); |
| 277 | fGLCanvas = new SkGLCanvas; |
| 278 | fGLCanvas->setViewport(bitmap.width(), bitmap.height()); |
| 279 | canvas = fGLCanvas; |
| 280 | break; |
| 281 | } |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 282 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 283 | } |
| 284 | |
| 285 | if (fUseClip) { |
| 286 | canvas->drawColor(0xFFFF88FF); |
| 287 | canvas->clipPath(fClipPath); |
| 288 | } |
| 289 | |
| 290 | return canvas; |
| 291 | } |
| 292 | |
| 293 | static void paint_rgn(const SkBitmap& bm, const SkIRect& r, |
| 294 | const SkRegion& rgn) { |
| 295 | SkCanvas canvas(bm); |
| 296 | SkRegion inval(rgn); |
| 297 | |
| 298 | inval.translate(r.fLeft, r.fTop); |
| 299 | canvas.clipRegion(inval); |
| 300 | canvas.drawColor(0xFFFF8080); |
| 301 | } |
| 302 | |
| 303 | void SampleWindow::afterChildren(SkCanvas* orig) { |
| 304 | switch (fCanvasType) { |
| 305 | case kRaster_CanvasType: |
| 306 | break; |
| 307 | case kPicture_CanvasType: |
reed@android.com | aefd2bc | 2009-03-30 21:02:14 +0000 | [diff] [blame] | 308 | if (true) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 309 | SkPicture* pict = new SkPicture(*fPicture); |
| 310 | fPicture->unref(); |
| 311 | orig->drawPicture(*pict); |
| 312 | pict->unref(); |
reed@android.com | aefd2bc | 2009-03-30 21:02:14 +0000 | [diff] [blame] | 313 | } else if (true) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 314 | SkDynamicMemoryWStream ostream; |
| 315 | fPicture->serialize(&ostream); |
| 316 | fPicture->unref(); |
| 317 | |
| 318 | SkMemoryStream istream(ostream.getStream(), ostream.getOffset()); |
| 319 | SkPicture pict(&istream); |
| 320 | orig->drawPicture(pict); |
| 321 | } else { |
| 322 | fPicture->draw(orig); |
| 323 | fPicture->unref(); |
| 324 | } |
| 325 | fPicture = NULL; |
| 326 | break; |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 327 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 328 | case kOpenGL_CanvasType: |
| 329 | glFlush(); |
| 330 | delete fGLCanvas; |
| 331 | fGLCanvas = NULL; |
| 332 | #ifdef USE_OFFSCREEN |
| 333 | reverseRedAndBlue(orig->getDevice()->accessBitmap(true)); |
| 334 | #endif |
| 335 | break; |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 336 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 337 | } |
| 338 | |
| 339 | // if ((fScrollTestX | fScrollTestY) != 0) |
| 340 | { |
| 341 | const SkBitmap& bm = orig->getDevice()->accessBitmap(true); |
| 342 | int dx = fScrollTestX * 7; |
| 343 | int dy = fScrollTestY * 7; |
| 344 | SkIRect r; |
| 345 | SkRegion inval; |
| 346 | |
| 347 | r.set(50, 50, 50+100, 50+100); |
| 348 | bm.scrollRect(&r, dx, dy, &inval); |
| 349 | paint_rgn(bm, r, inval); |
| 350 | } |
| 351 | } |
| 352 | |
reed@android.com | 6c5f6f2 | 2009-08-14 16:08:38 +0000 | [diff] [blame^] | 353 | void SampleWindow::beforeChild(SkView* child, SkCanvas* canvas) { |
| 354 | if (fScale) { |
| 355 | SkScalar scale = SK_Scalar1 * 7 / 10; |
| 356 | SkScalar cx = this->width() / 2; |
| 357 | SkScalar cy = this->height() / 2; |
| 358 | canvas->translate(cx, cy); |
| 359 | canvas->scale(scale, scale); |
| 360 | canvas->translate(-cx, -cy); |
| 361 | } |
| 362 | if (fRotate) { |
| 363 | SkScalar cx = this->width() / 2; |
| 364 | SkScalar cy = this->height() / 2; |
| 365 | canvas->translate(cx, cy); |
| 366 | canvas->rotate(SkIntToScalar(30)); |
| 367 | canvas->translate(-cx, -cy); |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | void SampleWindow::afterChild(SkView* child, SkCanvas* canvas) { |
| 372 | } |
| 373 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 374 | static SkBitmap::Config gConfigCycle[] = { |
| 375 | SkBitmap::kNo_Config, // none -> none |
| 376 | SkBitmap::kNo_Config, // a1 -> none |
| 377 | SkBitmap::kNo_Config, // a8 -> none |
| 378 | SkBitmap::kNo_Config, // index8 -> none |
| 379 | SkBitmap::kARGB_4444_Config, // 565 -> 4444 |
| 380 | SkBitmap::kARGB_8888_Config, // 4444 -> 8888 |
| 381 | SkBitmap::kRGB_565_Config // 8888 -> 565 |
| 382 | }; |
| 383 | |
| 384 | static SkBitmap::Config cycle_configs(SkBitmap::Config c) { |
| 385 | return gConfigCycle[c]; |
| 386 | } |
| 387 | |
| 388 | bool SampleWindow::nextSample() { |
| 389 | if (fCurr) { |
| 390 | fCurr = fCurr->next(); |
| 391 | if (NULL == fCurr) { |
| 392 | fCurr = SkViewRegister::Head(); |
| 393 | } |
| 394 | this->loadView(fCurr->factory()()); |
| 395 | return true; |
| 396 | } |
| 397 | return false; |
| 398 | } |
| 399 | |
| 400 | bool SampleWindow::onEvent(const SkEvent& evt) { |
| 401 | if (evt.isType(ANIMATING_EVENTTYPE)) { |
| 402 | if (fAnimating) { |
| 403 | this->nextSample(); |
| 404 | this->postAnimatingEvent(); |
| 405 | } |
| 406 | return true; |
| 407 | } |
| 408 | return this->INHERITED::onEvent(evt); |
| 409 | } |
| 410 | |
reed@android.com | 0ae6b24 | 2008-12-23 16:49:54 +0000 | [diff] [blame] | 411 | static void cleanup_for_filename(SkString* name) { |
| 412 | char* str = name->writable_str(); |
| 413 | for (int i = 0; i < name->size(); i++) { |
| 414 | switch (str[i]) { |
| 415 | case ':': str[i] = '-'; break; |
| 416 | case '/': str[i] = '-'; break; |
| 417 | case ' ': str[i] = '_'; break; |
| 418 | default: break; |
| 419 | } |
| 420 | } |
| 421 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 422 | |
| 423 | bool SampleWindow::onHandleChar(SkUnichar uni) { |
| 424 | int dx = 0xFF; |
| 425 | int dy = 0xFF; |
| 426 | |
| 427 | switch (uni) { |
| 428 | case '5': dx = 0; dy = 0; break; |
| 429 | case '8': dx = 0; dy = -1; break; |
| 430 | case '6': dx = 1; dy = 0; break; |
| 431 | case '2': dx = 0; dy = 1; break; |
| 432 | case '4': dx = -1; dy = 0; break; |
| 433 | case '7': dx = -1; dy = -1; break; |
| 434 | case '9': dx = 1; dy = -1; break; |
| 435 | case '3': dx = 1; dy = 1; break; |
| 436 | case '1': dx = -1; dy = 1; break; |
| 437 | |
| 438 | default: |
| 439 | break; |
| 440 | } |
| 441 | |
| 442 | if (0xFF != dx && 0xFF != dy) { |
| 443 | if ((dx | dy) == 0) { |
| 444 | fScrollTestX = fScrollTestY = 0; |
| 445 | } else { |
| 446 | fScrollTestX += dx; |
| 447 | fScrollTestY += dy; |
| 448 | } |
| 449 | this->inval(NULL); |
| 450 | return true; |
| 451 | } |
| 452 | |
reed@android.com | 0ae6b24 | 2008-12-23 16:49:54 +0000 | [diff] [blame] | 453 | switch (uni) { |
| 454 | case 'a': |
| 455 | fAnimating = !fAnimating; |
| 456 | this->postAnimatingEvent(); |
| 457 | this->updateTitle(); |
| 458 | return true; |
| 459 | case 'f': { |
| 460 | const char* title = this->getTitle(); |
| 461 | if (title[0] == 0) { |
| 462 | title = "sampleapp"; |
| 463 | } |
| 464 | SkString name(title); |
| 465 | cleanup_for_filename(&name); |
| 466 | name.append(".png"); |
| 467 | if (SkImageEncoder::EncodeFile(name.c_str(), this->getBitmap(), |
reed@android.com | b08eb2b | 2009-01-06 20:16:26 +0000 | [diff] [blame] | 468 | SkImageEncoder::kPNG_Type, 100)) { |
reed@android.com | 0ae6b24 | 2008-12-23 16:49:54 +0000 | [diff] [blame] | 469 | SkDebugf("Created %s\n", name.c_str()); |
| 470 | } |
| 471 | return true; |
| 472 | } |
reed@android.com | 6c5f6f2 | 2009-08-14 16:08:38 +0000 | [diff] [blame^] | 473 | case 'r': |
| 474 | fRotate = !fRotate; |
| 475 | this->inval(NULL); |
| 476 | this->updateTitle(); |
| 477 | return true; |
| 478 | case 's': |
| 479 | fScale = !fScale; |
| 480 | this->inval(NULL); |
| 481 | this->updateTitle(); |
| 482 | return true; |
reed@android.com | 0ae6b24 | 2008-12-23 16:49:54 +0000 | [diff] [blame] | 483 | default: |
| 484 | break; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 485 | } |
| 486 | |
| 487 | return this->INHERITED::onHandleChar(uni); |
| 488 | } |
| 489 | |
| 490 | #include "SkDumpCanvas.h" |
| 491 | |
| 492 | bool SampleWindow::onHandleKey(SkKey key) { |
| 493 | switch (key) { |
| 494 | case kRight_SkKey: |
| 495 | if (this->nextSample()) { |
| 496 | return true; |
| 497 | } |
| 498 | break; |
| 499 | case kLeft_SkKey: |
| 500 | fCanvasType = cycle_canvastype(fCanvasType); |
| 501 | this->updateTitle(); |
| 502 | this->inval(NULL); |
| 503 | return true; |
| 504 | case kUp_SkKey: |
| 505 | fUseClip = !fUseClip; |
| 506 | this->updateTitle(); |
| 507 | this->inval(NULL); |
| 508 | return true; |
| 509 | case kDown_SkKey: |
| 510 | this->setConfig(cycle_configs(this->getBitmap().config())); |
| 511 | this->updateTitle(); |
| 512 | return true; |
| 513 | case kOK_SkKey: |
| 514 | if (true) { |
| 515 | SkDebugfDumper dumper; |
| 516 | SkDumpCanvas dc(&dumper); |
| 517 | this->draw(&dc); |
| 518 | } else { |
| 519 | fRepeatDrawing = !fRepeatDrawing; |
| 520 | if (fRepeatDrawing) { |
| 521 | this->inval(NULL); |
| 522 | } |
| 523 | } |
| 524 | return true; |
| 525 | default: |
| 526 | break; |
| 527 | } |
| 528 | return this->INHERITED::onHandleKey(key); |
| 529 | } |
| 530 | |
| 531 | void SampleWindow::loadView(SkView* view) { |
| 532 | SkView::F2BIter iter(this); |
| 533 | SkView* prev = iter.next(); |
| 534 | if (prev) { |
| 535 | prev->detachFromParent(); |
| 536 | } |
| 537 | view->setVisibleP(true); |
| 538 | this->attachChildToFront(view)->unref(); |
| 539 | view->setSize(this->width(), this->height()); |
| 540 | |
| 541 | this->updateTitle(); |
| 542 | } |
| 543 | |
| 544 | static const char* gConfigNames[] = { |
| 545 | "unknown config", |
| 546 | "A1", |
| 547 | "A8", |
| 548 | "Index8", |
| 549 | "565", |
| 550 | "4444", |
| 551 | "8888" |
| 552 | }; |
| 553 | |
| 554 | static const char* configToString(SkBitmap::Config c) { |
| 555 | return gConfigNames[c]; |
| 556 | } |
| 557 | |
| 558 | static const char* gCanvasTypePrefix[] = { |
| 559 | "raster: ", |
| 560 | "picture: ", |
| 561 | "opengl: " |
| 562 | }; |
| 563 | |
| 564 | void SampleWindow::updateTitle() { |
| 565 | SkString title; |
| 566 | |
| 567 | SkView::F2BIter iter(this); |
| 568 | SkView* view = iter.next(); |
| 569 | SkEvent evt(gTitleEvtName); |
| 570 | if (view->doQuery(&evt)) { |
| 571 | title.set(evt.findString(gTitleEvtName)); |
| 572 | } |
| 573 | if (title.size() == 0) { |
| 574 | title.set("<unknown>"); |
| 575 | } |
| 576 | |
| 577 | title.prepend(gCanvasTypePrefix[fCanvasType]); |
| 578 | |
| 579 | title.prepend(" "); |
| 580 | title.prepend(configToString(this->getBitmap().config())); |
| 581 | |
| 582 | if (fAnimating) { |
| 583 | title.prepend("<A> "); |
| 584 | } |
reed@android.com | 6c5f6f2 | 2009-08-14 16:08:38 +0000 | [diff] [blame^] | 585 | if (fScale) { |
| 586 | title.prepend("<S> "); |
| 587 | } |
| 588 | if (fRotate) { |
| 589 | title.prepend("<R> "); |
| 590 | } |
| 591 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 592 | this->setTitle(title.c_str()); |
| 593 | } |
| 594 | |
| 595 | void SampleWindow::onSizeChange() { |
| 596 | this->INHERITED::onSizeChange(); |
| 597 | |
| 598 | SkView::F2BIter iter(this); |
| 599 | SkView* view = iter.next(); |
| 600 | view->setSize(this->width(), this->height()); |
| 601 | |
| 602 | // rebuild our clippath |
| 603 | { |
| 604 | const SkScalar W = this->width(); |
| 605 | const SkScalar H = this->height(); |
| 606 | |
| 607 | fClipPath.reset(); |
| 608 | #if 0 |
| 609 | for (SkScalar y = SK_Scalar1; y < H; y += SkIntToScalar(32)) { |
| 610 | SkRect r; |
| 611 | r.set(SK_Scalar1, y, SkIntToScalar(30), y + SkIntToScalar(30)); |
| 612 | for (; r.fLeft < W; r.offset(SkIntToScalar(32), 0)) |
| 613 | fClipPath.addRect(r); |
| 614 | } |
| 615 | #else |
| 616 | SkRect r; |
| 617 | r.set(0, 0, W, H); |
| 618 | fClipPath.addRect(r, SkPath::kCCW_Direction); |
| 619 | r.set(W/4, H/4, W*3/4, H*3/4); |
| 620 | fClipPath.addRect(r, SkPath::kCW_Direction); |
| 621 | #endif |
| 622 | } |
| 623 | |
| 624 | this->updateTitle(); // to refresh our config |
| 625 | } |
| 626 | |
| 627 | /////////////////////////////////////////////////////////////////////////////// |
| 628 | |
| 629 | SkOSWindow* create_sk_window(void* hwnd) { |
| 630 | return new SampleWindow(hwnd); |
| 631 | } |
| 632 | |
| 633 | void get_preferred_size(int* x, int* y, int* width, int* height) { |
| 634 | *x = 10; |
| 635 | *y = 50; |
| 636 | *width = 640; |
| 637 | *height = 480; |
| 638 | } |
| 639 | |
| 640 | void application_init() { |
| 641 | // setenv("ANDROID_ROOT", "../../../data", 0); |
| 642 | setenv("ANDROID_ROOT", "/android/device/data", 0); |
reed@android.com | 5e5adfd | 2009-03-07 03:39:23 +0000 | [diff] [blame] | 643 | SkGraphics::Init(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 644 | SkEvent::Init(); |
| 645 | } |
| 646 | |
| 647 | void application_term() { |
| 648 | SkEvent::Term(); |
| 649 | SkGraphics::Term(); |
| 650 | } |