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 | 0ae6b24 | 2008-12-23 16:49:54 +0000 | [diff] [blame^] | 5 | #include "SkImageDecoder.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*); |
| 137 | |
| 138 | virtual bool onEvent(const SkEvent& evt); |
| 139 | |
| 140 | #if 0 |
| 141 | virtual bool handleChar(SkUnichar uni); |
| 142 | virtual bool handleEvent(const SkEvent& evt); |
| 143 | virtual bool handleKey(SkKey key); |
| 144 | virtual bool handleKeyUp(SkKey key); |
| 145 | |
| 146 | virtual bool onClick(Click* click); |
| 147 | virtual Click* onFindClickHandler(SkScalar x, SkScalar y); |
| 148 | virtual bool onHandleKeyUp(SkKey key); |
| 149 | #endif |
| 150 | private: |
| 151 | const SkViewRegister* fCurr; |
| 152 | |
| 153 | SkPicture* fPicture; |
| 154 | SkGLCanvas* fGLCanvas; |
| 155 | SkPath fClipPath; |
| 156 | |
| 157 | enum CanvasType { |
| 158 | kRaster_CanvasType, |
| 159 | kPicture_CanvasType, |
| 160 | kOpenGL_CanvasType |
| 161 | }; |
| 162 | CanvasType fCanvasType; |
| 163 | |
| 164 | bool fUseClip; |
| 165 | bool fRepeatDrawing; |
| 166 | bool fAnimating; |
| 167 | |
| 168 | int fScrollTestX, fScrollTestY; |
| 169 | |
| 170 | void loadView(SkView*); |
| 171 | void updateTitle(); |
| 172 | bool nextSample(); |
| 173 | |
| 174 | void postAnimatingEvent() { |
| 175 | if (fAnimating) { |
| 176 | SkEvent* evt = new SkEvent(ANIMATING_EVENTTYPE); |
| 177 | evt->post(this->getSinkID(), ANIMATING_DELAY); |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | |
| 182 | static CanvasType cycle_canvastype(CanvasType); |
| 183 | |
| 184 | typedef SkOSWindow INHERITED; |
| 185 | }; |
| 186 | |
| 187 | SampleWindow::CanvasType SampleWindow::cycle_canvastype(CanvasType ct) { |
| 188 | static const CanvasType gCT[] = { |
| 189 | kPicture_CanvasType, |
| 190 | kOpenGL_CanvasType, |
| 191 | kRaster_CanvasType |
| 192 | }; |
| 193 | return gCT[ct]; |
| 194 | } |
| 195 | |
| 196 | SampleWindow::SampleWindow(void* hwnd) : INHERITED(hwnd) { |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 197 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 198 | init_gl((WindowRef)hwnd); |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 199 | #endif |
| 200 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 201 | fPicture = NULL; |
| 202 | fGLCanvas = NULL; |
| 203 | |
| 204 | fCanvasType = kRaster_CanvasType; |
| 205 | fUseClip = false; |
| 206 | fRepeatDrawing = false; |
| 207 | fAnimating = false; |
| 208 | |
| 209 | fScrollTestX = fScrollTestY = 0; |
| 210 | |
| 211 | // this->setConfig(SkBitmap::kRGB_565_Config); |
| 212 | this->setConfig(SkBitmap::kARGB_8888_Config); |
| 213 | this->setVisibleP(true); |
| 214 | |
| 215 | fCurr = SkViewRegister::Head(); |
| 216 | this->loadView(fCurr->factory()()); |
| 217 | } |
| 218 | |
| 219 | SampleWindow::~SampleWindow() { |
| 220 | delete fPicture; |
| 221 | delete fGLCanvas; |
| 222 | } |
| 223 | |
| 224 | void SampleWindow::onDraw(SkCanvas* canvas) { |
| 225 | if (fRepeatDrawing) { |
| 226 | this->inval(NULL); |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | #include "SkColorPriv.h" |
| 231 | |
| 232 | static void reverseRedAndBlue(const SkBitmap& bm) { |
| 233 | SkASSERT(bm.config() == SkBitmap::kARGB_8888_Config); |
| 234 | uint8_t* p = (uint8_t*)bm.getPixels(); |
| 235 | uint8_t* stop = p + bm.getSize(); |
| 236 | while (p < stop) { |
| 237 | // swap red/blue (to go from ARGB(int) to RGBA(memory) and premultiply |
| 238 | unsigned scale = SkAlpha255To256(p[3]); |
| 239 | unsigned r = p[2]; |
| 240 | unsigned b = p[0]; |
| 241 | p[0] = SkAlphaMul(r, scale); |
| 242 | p[1] = SkAlphaMul(p[1], scale); |
| 243 | p[2] = SkAlphaMul(b, scale); |
| 244 | p += 4; |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | SkCanvas* SampleWindow::beforeChildren(SkCanvas* canvas) { |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 249 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 250 | #ifndef USE_OFFSCREEN |
| 251 | aglSetWindowRef(gAGLContext, NULL); |
| 252 | #endif |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 253 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 254 | switch (fCanvasType) { |
| 255 | case kRaster_CanvasType: |
| 256 | canvas = this->INHERITED::beforeChildren(canvas); |
| 257 | break; |
| 258 | case kPicture_CanvasType: |
| 259 | fPicture = new SkPicture; |
| 260 | canvas = fPicture->beginRecording(9999, 9999); |
| 261 | break; |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 262 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 263 | case kOpenGL_CanvasType: { |
| 264 | //SkGLCanvas::DeleteAllTextures(); // just for testing |
| 265 | SkDevice* device = canvas->getDevice(); |
| 266 | const SkBitmap& bitmap = device->accessBitmap(true); |
| 267 | // first clear the raster bitmap, so we don't see any leftover bits |
| 268 | bitmap.eraseColor(0); |
| 269 | // now setup our glcanvas |
| 270 | setup_offscreen_gl(bitmap, (WindowRef)this->getHWND()); |
| 271 | fGLCanvas = new SkGLCanvas; |
| 272 | fGLCanvas->setViewport(bitmap.width(), bitmap.height()); |
| 273 | canvas = fGLCanvas; |
| 274 | break; |
| 275 | } |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 276 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 277 | } |
| 278 | |
| 279 | if (fUseClip) { |
| 280 | canvas->drawColor(0xFFFF88FF); |
| 281 | canvas->clipPath(fClipPath); |
| 282 | } |
| 283 | |
| 284 | return canvas; |
| 285 | } |
| 286 | |
| 287 | static void paint_rgn(const SkBitmap& bm, const SkIRect& r, |
| 288 | const SkRegion& rgn) { |
| 289 | SkCanvas canvas(bm); |
| 290 | SkRegion inval(rgn); |
| 291 | |
| 292 | inval.translate(r.fLeft, r.fTop); |
| 293 | canvas.clipRegion(inval); |
| 294 | canvas.drawColor(0xFFFF8080); |
| 295 | } |
| 296 | |
| 297 | void SampleWindow::afterChildren(SkCanvas* orig) { |
| 298 | switch (fCanvasType) { |
| 299 | case kRaster_CanvasType: |
| 300 | break; |
| 301 | case kPicture_CanvasType: |
| 302 | if (false) { |
| 303 | SkPicture* pict = new SkPicture(*fPicture); |
| 304 | fPicture->unref(); |
| 305 | orig->drawPicture(*pict); |
| 306 | pict->unref(); |
| 307 | } if (true) { |
| 308 | SkDynamicMemoryWStream ostream; |
| 309 | fPicture->serialize(&ostream); |
| 310 | fPicture->unref(); |
| 311 | |
| 312 | SkMemoryStream istream(ostream.getStream(), ostream.getOffset()); |
| 313 | SkPicture pict(&istream); |
| 314 | orig->drawPicture(pict); |
| 315 | } else { |
| 316 | fPicture->draw(orig); |
| 317 | fPicture->unref(); |
| 318 | } |
| 319 | fPicture = NULL; |
| 320 | break; |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 321 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 322 | case kOpenGL_CanvasType: |
| 323 | glFlush(); |
| 324 | delete fGLCanvas; |
| 325 | fGLCanvas = NULL; |
| 326 | #ifdef USE_OFFSCREEN |
| 327 | reverseRedAndBlue(orig->getDevice()->accessBitmap(true)); |
| 328 | #endif |
| 329 | break; |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 330 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 331 | } |
| 332 | |
| 333 | // if ((fScrollTestX | fScrollTestY) != 0) |
| 334 | { |
| 335 | const SkBitmap& bm = orig->getDevice()->accessBitmap(true); |
| 336 | int dx = fScrollTestX * 7; |
| 337 | int dy = fScrollTestY * 7; |
| 338 | SkIRect r; |
| 339 | SkRegion inval; |
| 340 | |
| 341 | r.set(50, 50, 50+100, 50+100); |
| 342 | bm.scrollRect(&r, dx, dy, &inval); |
| 343 | paint_rgn(bm, r, inval); |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | static SkBitmap::Config gConfigCycle[] = { |
| 348 | SkBitmap::kNo_Config, // none -> none |
| 349 | SkBitmap::kNo_Config, // a1 -> none |
| 350 | SkBitmap::kNo_Config, // a8 -> none |
| 351 | SkBitmap::kNo_Config, // index8 -> none |
| 352 | SkBitmap::kARGB_4444_Config, // 565 -> 4444 |
| 353 | SkBitmap::kARGB_8888_Config, // 4444 -> 8888 |
| 354 | SkBitmap::kRGB_565_Config // 8888 -> 565 |
| 355 | }; |
| 356 | |
| 357 | static SkBitmap::Config cycle_configs(SkBitmap::Config c) { |
| 358 | return gConfigCycle[c]; |
| 359 | } |
| 360 | |
| 361 | bool SampleWindow::nextSample() { |
| 362 | if (fCurr) { |
| 363 | fCurr = fCurr->next(); |
| 364 | if (NULL == fCurr) { |
| 365 | fCurr = SkViewRegister::Head(); |
| 366 | } |
| 367 | this->loadView(fCurr->factory()()); |
| 368 | return true; |
| 369 | } |
| 370 | return false; |
| 371 | } |
| 372 | |
| 373 | bool SampleWindow::onEvent(const SkEvent& evt) { |
| 374 | if (evt.isType(ANIMATING_EVENTTYPE)) { |
| 375 | if (fAnimating) { |
| 376 | this->nextSample(); |
| 377 | this->postAnimatingEvent(); |
| 378 | } |
| 379 | return true; |
| 380 | } |
| 381 | return this->INHERITED::onEvent(evt); |
| 382 | } |
| 383 | |
reed@android.com | 0ae6b24 | 2008-12-23 16:49:54 +0000 | [diff] [blame^] | 384 | static void cleanup_for_filename(SkString* name) { |
| 385 | char* str = name->writable_str(); |
| 386 | for (int i = 0; i < name->size(); i++) { |
| 387 | switch (str[i]) { |
| 388 | case ':': str[i] = '-'; break; |
| 389 | case '/': str[i] = '-'; break; |
| 390 | case ' ': str[i] = '_'; break; |
| 391 | default: break; |
| 392 | } |
| 393 | } |
| 394 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 395 | |
| 396 | bool SampleWindow::onHandleChar(SkUnichar uni) { |
| 397 | int dx = 0xFF; |
| 398 | int dy = 0xFF; |
| 399 | |
| 400 | switch (uni) { |
| 401 | case '5': dx = 0; dy = 0; break; |
| 402 | case '8': dx = 0; dy = -1; break; |
| 403 | case '6': dx = 1; dy = 0; break; |
| 404 | case '2': dx = 0; dy = 1; break; |
| 405 | case '4': dx = -1; dy = 0; break; |
| 406 | case '7': dx = -1; dy = -1; break; |
| 407 | case '9': dx = 1; dy = -1; break; |
| 408 | case '3': dx = 1; dy = 1; break; |
| 409 | case '1': dx = -1; dy = 1; break; |
| 410 | |
| 411 | default: |
| 412 | break; |
| 413 | } |
| 414 | |
| 415 | if (0xFF != dx && 0xFF != dy) { |
| 416 | if ((dx | dy) == 0) { |
| 417 | fScrollTestX = fScrollTestY = 0; |
| 418 | } else { |
| 419 | fScrollTestX += dx; |
| 420 | fScrollTestY += dy; |
| 421 | } |
| 422 | this->inval(NULL); |
| 423 | return true; |
| 424 | } |
| 425 | |
reed@android.com | 0ae6b24 | 2008-12-23 16:49:54 +0000 | [diff] [blame^] | 426 | switch (uni) { |
| 427 | case 'a': |
| 428 | fAnimating = !fAnimating; |
| 429 | this->postAnimatingEvent(); |
| 430 | this->updateTitle(); |
| 431 | return true; |
| 432 | case 'f': { |
| 433 | const char* title = this->getTitle(); |
| 434 | if (title[0] == 0) { |
| 435 | title = "sampleapp"; |
| 436 | } |
| 437 | SkString name(title); |
| 438 | cleanup_for_filename(&name); |
| 439 | name.append(".png"); |
| 440 | if (SkImageEncoder::EncodeFile(name.c_str(), this->getBitmap(), |
| 441 | SkImageEncoder::kPNG_Type)) { |
| 442 | SkDebugf("Created %s\n", name.c_str()); |
| 443 | } |
| 444 | return true; |
| 445 | } |
| 446 | default: |
| 447 | break; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 448 | } |
| 449 | |
| 450 | return this->INHERITED::onHandleChar(uni); |
| 451 | } |
| 452 | |
| 453 | #include "SkDumpCanvas.h" |
| 454 | |
| 455 | bool SampleWindow::onHandleKey(SkKey key) { |
| 456 | switch (key) { |
| 457 | case kRight_SkKey: |
| 458 | if (this->nextSample()) { |
| 459 | return true; |
| 460 | } |
| 461 | break; |
| 462 | case kLeft_SkKey: |
| 463 | fCanvasType = cycle_canvastype(fCanvasType); |
| 464 | this->updateTitle(); |
| 465 | this->inval(NULL); |
| 466 | return true; |
| 467 | case kUp_SkKey: |
| 468 | fUseClip = !fUseClip; |
| 469 | this->updateTitle(); |
| 470 | this->inval(NULL); |
| 471 | return true; |
| 472 | case kDown_SkKey: |
| 473 | this->setConfig(cycle_configs(this->getBitmap().config())); |
| 474 | this->updateTitle(); |
| 475 | return true; |
| 476 | case kOK_SkKey: |
| 477 | if (true) { |
| 478 | SkDebugfDumper dumper; |
| 479 | SkDumpCanvas dc(&dumper); |
| 480 | this->draw(&dc); |
| 481 | } else { |
| 482 | fRepeatDrawing = !fRepeatDrawing; |
| 483 | if (fRepeatDrawing) { |
| 484 | this->inval(NULL); |
| 485 | } |
| 486 | } |
| 487 | return true; |
| 488 | default: |
| 489 | break; |
| 490 | } |
| 491 | return this->INHERITED::onHandleKey(key); |
| 492 | } |
| 493 | |
| 494 | void SampleWindow::loadView(SkView* view) { |
| 495 | SkView::F2BIter iter(this); |
| 496 | SkView* prev = iter.next(); |
| 497 | if (prev) { |
| 498 | prev->detachFromParent(); |
| 499 | } |
| 500 | view->setVisibleP(true); |
| 501 | this->attachChildToFront(view)->unref(); |
| 502 | view->setSize(this->width(), this->height()); |
| 503 | |
| 504 | this->updateTitle(); |
| 505 | } |
| 506 | |
| 507 | static const char* gConfigNames[] = { |
| 508 | "unknown config", |
| 509 | "A1", |
| 510 | "A8", |
| 511 | "Index8", |
| 512 | "565", |
| 513 | "4444", |
| 514 | "8888" |
| 515 | }; |
| 516 | |
| 517 | static const char* configToString(SkBitmap::Config c) { |
| 518 | return gConfigNames[c]; |
| 519 | } |
| 520 | |
| 521 | static const char* gCanvasTypePrefix[] = { |
| 522 | "raster: ", |
| 523 | "picture: ", |
| 524 | "opengl: " |
| 525 | }; |
| 526 | |
| 527 | void SampleWindow::updateTitle() { |
| 528 | SkString title; |
| 529 | |
| 530 | SkView::F2BIter iter(this); |
| 531 | SkView* view = iter.next(); |
| 532 | SkEvent evt(gTitleEvtName); |
| 533 | if (view->doQuery(&evt)) { |
| 534 | title.set(evt.findString(gTitleEvtName)); |
| 535 | } |
| 536 | if (title.size() == 0) { |
| 537 | title.set("<unknown>"); |
| 538 | } |
| 539 | |
| 540 | title.prepend(gCanvasTypePrefix[fCanvasType]); |
| 541 | |
| 542 | title.prepend(" "); |
| 543 | title.prepend(configToString(this->getBitmap().config())); |
| 544 | |
| 545 | if (fAnimating) { |
| 546 | title.prepend("<A> "); |
| 547 | } |
| 548 | |
| 549 | this->setTitle(title.c_str()); |
| 550 | } |
| 551 | |
| 552 | void SampleWindow::onSizeChange() { |
| 553 | this->INHERITED::onSizeChange(); |
| 554 | |
| 555 | SkView::F2BIter iter(this); |
| 556 | SkView* view = iter.next(); |
| 557 | view->setSize(this->width(), this->height()); |
| 558 | |
| 559 | // rebuild our clippath |
| 560 | { |
| 561 | const SkScalar W = this->width(); |
| 562 | const SkScalar H = this->height(); |
| 563 | |
| 564 | fClipPath.reset(); |
| 565 | #if 0 |
| 566 | for (SkScalar y = SK_Scalar1; y < H; y += SkIntToScalar(32)) { |
| 567 | SkRect r; |
| 568 | r.set(SK_Scalar1, y, SkIntToScalar(30), y + SkIntToScalar(30)); |
| 569 | for (; r.fLeft < W; r.offset(SkIntToScalar(32), 0)) |
| 570 | fClipPath.addRect(r); |
| 571 | } |
| 572 | #else |
| 573 | SkRect r; |
| 574 | r.set(0, 0, W, H); |
| 575 | fClipPath.addRect(r, SkPath::kCCW_Direction); |
| 576 | r.set(W/4, H/4, W*3/4, H*3/4); |
| 577 | fClipPath.addRect(r, SkPath::kCW_Direction); |
| 578 | #endif |
| 579 | } |
| 580 | |
| 581 | this->updateTitle(); // to refresh our config |
| 582 | } |
| 583 | |
| 584 | /////////////////////////////////////////////////////////////////////////////// |
| 585 | |
| 586 | SkOSWindow* create_sk_window(void* hwnd) { |
| 587 | return new SampleWindow(hwnd); |
| 588 | } |
| 589 | |
| 590 | void get_preferred_size(int* x, int* y, int* width, int* height) { |
| 591 | *x = 10; |
| 592 | *y = 50; |
| 593 | *width = 640; |
| 594 | *height = 480; |
| 595 | } |
| 596 | |
| 597 | void application_init() { |
| 598 | // setenv("ANDROID_ROOT", "../../../data", 0); |
| 599 | setenv("ANDROID_ROOT", "/android/device/data", 0); |
| 600 | SkGraphics::Init(true); |
| 601 | SkEvent::Init(); |
| 602 | } |
| 603 | |
| 604 | void application_term() { |
| 605 | SkEvent::Term(); |
| 606 | SkGraphics::Term(); |
| 607 | } |