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" |
reed@android.com | 4417740 | 2009-11-23 21:07:51 +0000 | [diff] [blame^] | 9 | #include "SkTime.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 10 | #include "SkWindow.h" |
| 11 | |
| 12 | #include "SampleCode.h" |
| 13 | |
reed@android.com | 34245c7 | 2009-11-03 04:00:48 +0000 | [diff] [blame] | 14 | SkView* create_overview(int, const SkViewFactory*); |
| 15 | |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 16 | //#define SK_SUPPORT_GL |
| 17 | |
| 18 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 19 | #include <AGL/agl.h> |
| 20 | #include <OpenGL/gl.h> |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 21 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 22 | |
| 23 | #define ANIMATING_EVENTTYPE "nextSample" |
| 24 | #define ANIMATING_DELAY 750 |
| 25 | |
| 26 | #define USE_OFFSCREEN |
| 27 | |
| 28 | SkViewRegister* SkViewRegister::gHead; |
| 29 | SkViewRegister::SkViewRegister(SkViewFactory fact) : fFact(fact) { |
| 30 | static bool gOnce; |
| 31 | if (!gOnce) { |
| 32 | gHead = NULL; |
| 33 | gOnce = true; |
| 34 | } |
| 35 | |
| 36 | fChain = gHead; |
| 37 | gHead = this; |
| 38 | } |
| 39 | |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 40 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 41 | static AGLContext gAGLContext; |
| 42 | |
| 43 | static void init_gl(WindowRef wref) { |
| 44 | GLint major, minor; |
| 45 | |
| 46 | aglGetVersion(&major, &minor); |
| 47 | SkDebugf("---- agl version %d %d\n", major, minor); |
| 48 | |
| 49 | const GLint pixelAttrs[] = { |
| 50 | AGL_RGBA, |
| 51 | AGL_DEPTH_SIZE, 32, |
| 52 | AGL_OFFSCREEN, |
| 53 | AGL_NONE |
| 54 | }; |
| 55 | |
| 56 | AGLPixelFormat format = aglCreatePixelFormat(pixelAttrs); |
| 57 | SkDebugf("----- agl format %p\n", format); |
| 58 | gAGLContext = aglCreateContext(format, NULL); |
| 59 | SkDebugf("----- agl context %p\n", gAGLContext); |
| 60 | aglDestroyPixelFormat(format); |
| 61 | |
| 62 | aglEnable(gAGLContext, GL_BLEND); |
| 63 | aglEnable(gAGLContext, GL_LINE_SMOOTH); |
| 64 | aglEnable(gAGLContext, GL_POINT_SMOOTH); |
| 65 | aglEnable(gAGLContext, GL_POLYGON_SMOOTH); |
| 66 | |
| 67 | aglSetCurrentContext(gAGLContext); |
| 68 | } |
| 69 | |
| 70 | static void setup_offscreen_gl(const SkBitmap& offscreen, WindowRef wref) { |
| 71 | GLboolean success = true; |
| 72 | |
| 73 | #ifdef USE_OFFSCREEN |
| 74 | success = aglSetOffScreen(gAGLContext, |
| 75 | offscreen.width(), |
| 76 | offscreen.height(), |
| 77 | offscreen.rowBytes(), |
| 78 | offscreen.getPixels()); |
| 79 | #else |
| 80 | success = aglSetWindowRef(gAGLContext, wref); |
| 81 | #endif |
| 82 | |
| 83 | GLenum err = aglGetError(); |
| 84 | if (err) { |
| 85 | SkDebugf("---- setoffscreen %d %d %s [%d %d]\n", success, err, |
| 86 | aglErrorString(err), offscreen.width(), offscreen.height()); |
| 87 | } |
| 88 | |
| 89 | glEnable(GL_BLEND); |
| 90 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
| 91 | glHint(GL_LINE_SMOOTH_HINT, GL_DONT_CARE); |
| 92 | glEnable(GL_TEXTURE_2D); |
| 93 | |
| 94 | glClearColor(0, 0, 0, 0); |
| 95 | glClear(GL_COLOR_BUFFER_BIT); |
| 96 | } |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 97 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 98 | |
| 99 | ////////////////////////////////////////////////////////////////////////////// |
| 100 | |
| 101 | static const char gTitleEvtName[] = "SampleCode_Title_Event"; |
| 102 | static const char gPrefSizeEvtName[] = "SampleCode_PrefSize_Event"; |
| 103 | |
| 104 | bool SampleCode::TitleQ(const SkEvent& evt) { |
| 105 | return evt.isType(gTitleEvtName, sizeof(gTitleEvtName) - 1); |
| 106 | } |
| 107 | |
| 108 | void SampleCode::TitleR(SkEvent* evt, const char title[]) { |
| 109 | SkASSERT(evt && TitleQ(*evt)); |
| 110 | evt->setString(gTitleEvtName, title); |
| 111 | } |
| 112 | |
| 113 | bool SampleCode::PrefSizeQ(const SkEvent& evt) { |
| 114 | return evt.isType(gPrefSizeEvtName, sizeof(gPrefSizeEvtName) - 1); |
| 115 | } |
| 116 | |
| 117 | void SampleCode::PrefSizeR(SkEvent* evt, SkScalar width, SkScalar height) { |
| 118 | SkASSERT(evt && PrefSizeQ(*evt)); |
| 119 | SkScalar size[2]; |
| 120 | size[0] = width; |
| 121 | size[1] = height; |
| 122 | evt->setScalars(gPrefSizeEvtName, 2, size); |
| 123 | } |
| 124 | |
reed@android.com | 4417740 | 2009-11-23 21:07:51 +0000 | [diff] [blame^] | 125 | static SkMSec gAnimTime; |
| 126 | SkMSec SampleCode::GetAnimTime() { return gAnimTime; } |
| 127 | |
| 128 | SkScalar SampleCode::GetAnimScalar(SkScalar speed, SkScalar period) { |
| 129 | SkScalar seconds = SkFloatToScalar(gAnimTime / 1000.0f); |
| 130 | SkScalar value = SkScalarMul(speed, seconds); |
| 131 | if (period) { |
| 132 | value = SkScalarMod(value, period); |
| 133 | } |
| 134 | return value; |
| 135 | } |
| 136 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 137 | ////////////////////////////////////////////////////////////////////////////// |
| 138 | |
| 139 | class SampleWindow : public SkOSWindow { |
reed@android.com | 34245c7 | 2009-11-03 04:00:48 +0000 | [diff] [blame] | 140 | SkTDArray<SkViewFactory> fSamples; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 141 | public: |
| 142 | SampleWindow(void* hwnd); |
| 143 | virtual ~SampleWindow(); |
| 144 | |
reed@android.com | e522ca5 | 2009-11-23 20:10:41 +0000 | [diff] [blame] | 145 | virtual void draw(SkCanvas* canvas); |
| 146 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 147 | protected: |
| 148 | virtual void onDraw(SkCanvas* canvas); |
| 149 | virtual bool onHandleKey(SkKey key); |
| 150 | virtual bool onHandleChar(SkUnichar); |
| 151 | virtual void onSizeChange(); |
| 152 | |
| 153 | virtual SkCanvas* beforeChildren(SkCanvas*); |
| 154 | virtual void afterChildren(SkCanvas*); |
reed@android.com | 6c5f6f2 | 2009-08-14 16:08:38 +0000 | [diff] [blame] | 155 | virtual void beforeChild(SkView* child, SkCanvas* canvas); |
| 156 | virtual void afterChild(SkView* child, SkCanvas* canvas); |
| 157 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 158 | virtual bool onEvent(const SkEvent& evt); |
| 159 | |
| 160 | #if 0 |
| 161 | virtual bool handleChar(SkUnichar uni); |
| 162 | virtual bool handleEvent(const SkEvent& evt); |
| 163 | virtual bool handleKey(SkKey key); |
| 164 | virtual bool handleKeyUp(SkKey key); |
| 165 | |
| 166 | virtual bool onClick(Click* click); |
| 167 | virtual Click* onFindClickHandler(SkScalar x, SkScalar y); |
| 168 | virtual bool onHandleKeyUp(SkKey key); |
| 169 | #endif |
| 170 | private: |
reed@android.com | 34245c7 | 2009-11-03 04:00:48 +0000 | [diff] [blame] | 171 | int fCurrIndex; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 172 | |
| 173 | SkPicture* fPicture; |
| 174 | SkGLCanvas* fGLCanvas; |
| 175 | SkPath fClipPath; |
| 176 | |
| 177 | enum CanvasType { |
| 178 | kRaster_CanvasType, |
| 179 | kPicture_CanvasType, |
| 180 | kOpenGL_CanvasType |
| 181 | }; |
| 182 | CanvasType fCanvasType; |
| 183 | |
| 184 | bool fUseClip; |
reed@android.com | e522ca5 | 2009-11-23 20:10:41 +0000 | [diff] [blame] | 185 | bool fNClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 186 | bool fRepeatDrawing; |
| 187 | bool fAnimating; |
reed@android.com | 6c5f6f2 | 2009-08-14 16:08:38 +0000 | [diff] [blame] | 188 | bool fRotate; |
| 189 | bool fScale; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 190 | |
| 191 | int fScrollTestX, fScrollTestY; |
| 192 | |
| 193 | void loadView(SkView*); |
| 194 | void updateTitle(); |
| 195 | bool nextSample(); |
| 196 | |
| 197 | void postAnimatingEvent() { |
| 198 | if (fAnimating) { |
| 199 | SkEvent* evt = new SkEvent(ANIMATING_EVENTTYPE); |
| 200 | evt->post(this->getSinkID(), ANIMATING_DELAY); |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | |
| 205 | static CanvasType cycle_canvastype(CanvasType); |
| 206 | |
| 207 | typedef SkOSWindow INHERITED; |
| 208 | }; |
| 209 | |
| 210 | SampleWindow::CanvasType SampleWindow::cycle_canvastype(CanvasType ct) { |
| 211 | static const CanvasType gCT[] = { |
| 212 | kPicture_CanvasType, |
| 213 | kOpenGL_CanvasType, |
| 214 | kRaster_CanvasType |
| 215 | }; |
| 216 | return gCT[ct]; |
| 217 | } |
| 218 | |
| 219 | SampleWindow::SampleWindow(void* hwnd) : INHERITED(hwnd) { |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 220 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 221 | init_gl((WindowRef)hwnd); |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 222 | #endif |
| 223 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 224 | fPicture = NULL; |
| 225 | fGLCanvas = NULL; |
| 226 | |
| 227 | fCanvasType = kRaster_CanvasType; |
| 228 | fUseClip = false; |
reed@android.com | e522ca5 | 2009-11-23 20:10:41 +0000 | [diff] [blame] | 229 | fNClip = false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 230 | fRepeatDrawing = false; |
| 231 | fAnimating = false; |
reed@android.com | 6c5f6f2 | 2009-08-14 16:08:38 +0000 | [diff] [blame] | 232 | fRotate = false; |
| 233 | fScale = false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 234 | |
| 235 | fScrollTestX = fScrollTestY = 0; |
| 236 | |
| 237 | // this->setConfig(SkBitmap::kRGB_565_Config); |
| 238 | this->setConfig(SkBitmap::kARGB_8888_Config); |
| 239 | this->setVisibleP(true); |
| 240 | |
reed@android.com | 34245c7 | 2009-11-03 04:00:48 +0000 | [diff] [blame] | 241 | { |
| 242 | const SkViewRegister* reg = SkViewRegister::Head(); |
| 243 | while (reg) { |
| 244 | *fSamples.append() = reg->factory(); |
| 245 | reg = reg->next(); |
| 246 | } |
| 247 | } |
| 248 | fCurrIndex = 0; |
reed@android.com | e0f13ee | 2009-11-04 19:40:25 +0000 | [diff] [blame] | 249 | this->loadView(fSamples[fCurrIndex]()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 250 | } |
| 251 | |
| 252 | SampleWindow::~SampleWindow() { |
| 253 | delete fPicture; |
| 254 | delete fGLCanvas; |
| 255 | } |
| 256 | |
reed@android.com | 4417740 | 2009-11-23 21:07:51 +0000 | [diff] [blame^] | 257 | #define XCLIP_N 8 |
| 258 | #define YCLIP_N 8 |
reed@android.com | e522ca5 | 2009-11-23 20:10:41 +0000 | [diff] [blame] | 259 | |
| 260 | void SampleWindow::draw(SkCanvas* canvas) { |
reed@android.com | 4417740 | 2009-11-23 21:07:51 +0000 | [diff] [blame^] | 261 | // update the animation time |
| 262 | gAnimTime = SkTime::GetMSecs(); |
| 263 | |
reed@android.com | e522ca5 | 2009-11-23 20:10:41 +0000 | [diff] [blame] | 264 | if (fNClip) { |
| 265 | // this->INHERITED::draw(canvas); |
| 266 | // SkBitmap orig = capture_bitmap(canvas); |
| 267 | |
| 268 | const SkScalar w = this->width(); |
| 269 | const SkScalar h = this->height(); |
| 270 | const SkScalar cw = w / XCLIP_N; |
| 271 | const SkScalar ch = h / YCLIP_N; |
| 272 | for (int y = 0; y < YCLIP_N; y++) { |
| 273 | for (int x = 0; x < XCLIP_N; x++) { |
| 274 | SkAutoCanvasRestore acr(canvas, true); |
| 275 | SkRect r = { |
| 276 | x * cw, y * ch, (x + 1) * cw, (y + 1) * ch |
| 277 | }; |
| 278 | canvas->clipRect(r); |
| 279 | this->INHERITED::draw(canvas); |
| 280 | } |
| 281 | } |
| 282 | } else { |
| 283 | this->INHERITED::draw(canvas); |
| 284 | } |
| 285 | } |
| 286 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 287 | void SampleWindow::onDraw(SkCanvas* canvas) { |
| 288 | if (fRepeatDrawing) { |
| 289 | this->inval(NULL); |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | #include "SkColorPriv.h" |
| 294 | |
| 295 | static void reverseRedAndBlue(const SkBitmap& bm) { |
| 296 | SkASSERT(bm.config() == SkBitmap::kARGB_8888_Config); |
| 297 | uint8_t* p = (uint8_t*)bm.getPixels(); |
| 298 | uint8_t* stop = p + bm.getSize(); |
| 299 | while (p < stop) { |
| 300 | // swap red/blue (to go from ARGB(int) to RGBA(memory) and premultiply |
| 301 | unsigned scale = SkAlpha255To256(p[3]); |
| 302 | unsigned r = p[2]; |
| 303 | unsigned b = p[0]; |
| 304 | p[0] = SkAlphaMul(r, scale); |
| 305 | p[1] = SkAlphaMul(p[1], scale); |
| 306 | p[2] = SkAlphaMul(b, scale); |
| 307 | p += 4; |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | SkCanvas* SampleWindow::beforeChildren(SkCanvas* canvas) { |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 312 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 313 | #ifndef USE_OFFSCREEN |
| 314 | aglSetWindowRef(gAGLContext, NULL); |
| 315 | #endif |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 316 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 317 | switch (fCanvasType) { |
| 318 | case kRaster_CanvasType: |
| 319 | canvas = this->INHERITED::beforeChildren(canvas); |
| 320 | break; |
| 321 | case kPicture_CanvasType: |
| 322 | fPicture = new SkPicture; |
| 323 | canvas = fPicture->beginRecording(9999, 9999); |
| 324 | break; |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 325 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 326 | case kOpenGL_CanvasType: { |
| 327 | //SkGLCanvas::DeleteAllTextures(); // just for testing |
| 328 | SkDevice* device = canvas->getDevice(); |
| 329 | const SkBitmap& bitmap = device->accessBitmap(true); |
| 330 | // first clear the raster bitmap, so we don't see any leftover bits |
| 331 | bitmap.eraseColor(0); |
| 332 | // now setup our glcanvas |
| 333 | setup_offscreen_gl(bitmap, (WindowRef)this->getHWND()); |
| 334 | fGLCanvas = new SkGLCanvas; |
| 335 | fGLCanvas->setViewport(bitmap.width(), bitmap.height()); |
| 336 | canvas = fGLCanvas; |
| 337 | break; |
| 338 | } |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 339 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 340 | } |
| 341 | |
| 342 | if (fUseClip) { |
| 343 | canvas->drawColor(0xFFFF88FF); |
| 344 | canvas->clipPath(fClipPath); |
| 345 | } |
| 346 | |
| 347 | return canvas; |
| 348 | } |
| 349 | |
| 350 | static void paint_rgn(const SkBitmap& bm, const SkIRect& r, |
| 351 | const SkRegion& rgn) { |
| 352 | SkCanvas canvas(bm); |
| 353 | SkRegion inval(rgn); |
| 354 | |
| 355 | inval.translate(r.fLeft, r.fTop); |
| 356 | canvas.clipRegion(inval); |
| 357 | canvas.drawColor(0xFFFF8080); |
| 358 | } |
| 359 | |
| 360 | void SampleWindow::afterChildren(SkCanvas* orig) { |
| 361 | switch (fCanvasType) { |
| 362 | case kRaster_CanvasType: |
| 363 | break; |
| 364 | case kPicture_CanvasType: |
reed@android.com | aefd2bc | 2009-03-30 21:02:14 +0000 | [diff] [blame] | 365 | if (true) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 366 | SkPicture* pict = new SkPicture(*fPicture); |
| 367 | fPicture->unref(); |
| 368 | orig->drawPicture(*pict); |
| 369 | pict->unref(); |
reed@android.com | aefd2bc | 2009-03-30 21:02:14 +0000 | [diff] [blame] | 370 | } else if (true) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 371 | SkDynamicMemoryWStream ostream; |
| 372 | fPicture->serialize(&ostream); |
| 373 | fPicture->unref(); |
| 374 | |
| 375 | SkMemoryStream istream(ostream.getStream(), ostream.getOffset()); |
| 376 | SkPicture pict(&istream); |
| 377 | orig->drawPicture(pict); |
| 378 | } else { |
| 379 | fPicture->draw(orig); |
| 380 | fPicture->unref(); |
| 381 | } |
| 382 | fPicture = NULL; |
| 383 | break; |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 384 | #ifdef SK_SUPPORT_GL |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 385 | case kOpenGL_CanvasType: |
| 386 | glFlush(); |
| 387 | delete fGLCanvas; |
| 388 | fGLCanvas = NULL; |
| 389 | #ifdef USE_OFFSCREEN |
| 390 | reverseRedAndBlue(orig->getDevice()->accessBitmap(true)); |
| 391 | #endif |
| 392 | break; |
reed@android.com | 6efdc47 | 2008-12-19 18:24:35 +0000 | [diff] [blame] | 393 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | // if ((fScrollTestX | fScrollTestY) != 0) |
| 397 | { |
| 398 | const SkBitmap& bm = orig->getDevice()->accessBitmap(true); |
| 399 | int dx = fScrollTestX * 7; |
| 400 | int dy = fScrollTestY * 7; |
| 401 | SkIRect r; |
| 402 | SkRegion inval; |
| 403 | |
| 404 | r.set(50, 50, 50+100, 50+100); |
| 405 | bm.scrollRect(&r, dx, dy, &inval); |
| 406 | paint_rgn(bm, r, inval); |
| 407 | } |
| 408 | } |
| 409 | |
reed@android.com | 6c5f6f2 | 2009-08-14 16:08:38 +0000 | [diff] [blame] | 410 | void SampleWindow::beforeChild(SkView* child, SkCanvas* canvas) { |
| 411 | if (fScale) { |
| 412 | SkScalar scale = SK_Scalar1 * 7 / 10; |
| 413 | SkScalar cx = this->width() / 2; |
| 414 | SkScalar cy = this->height() / 2; |
| 415 | canvas->translate(cx, cy); |
| 416 | canvas->scale(scale, scale); |
| 417 | canvas->translate(-cx, -cy); |
| 418 | } |
| 419 | if (fRotate) { |
| 420 | SkScalar cx = this->width() / 2; |
| 421 | SkScalar cy = this->height() / 2; |
| 422 | canvas->translate(cx, cy); |
| 423 | canvas->rotate(SkIntToScalar(30)); |
| 424 | canvas->translate(-cx, -cy); |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | void SampleWindow::afterChild(SkView* child, SkCanvas* canvas) { |
| 429 | } |
| 430 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 431 | static SkBitmap::Config gConfigCycle[] = { |
| 432 | SkBitmap::kNo_Config, // none -> none |
| 433 | SkBitmap::kNo_Config, // a1 -> none |
| 434 | SkBitmap::kNo_Config, // a8 -> none |
| 435 | SkBitmap::kNo_Config, // index8 -> none |
| 436 | SkBitmap::kARGB_4444_Config, // 565 -> 4444 |
| 437 | SkBitmap::kARGB_8888_Config, // 4444 -> 8888 |
| 438 | SkBitmap::kRGB_565_Config // 8888 -> 565 |
| 439 | }; |
| 440 | |
| 441 | static SkBitmap::Config cycle_configs(SkBitmap::Config c) { |
| 442 | return gConfigCycle[c]; |
| 443 | } |
| 444 | |
| 445 | bool SampleWindow::nextSample() { |
reed@android.com | 34245c7 | 2009-11-03 04:00:48 +0000 | [diff] [blame] | 446 | fCurrIndex = (fCurrIndex + 1) % fSamples.count(); |
| 447 | this->loadView(fSamples[fCurrIndex]()); |
| 448 | return true; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 449 | } |
| 450 | |
| 451 | bool SampleWindow::onEvent(const SkEvent& evt) { |
| 452 | if (evt.isType(ANIMATING_EVENTTYPE)) { |
| 453 | if (fAnimating) { |
| 454 | this->nextSample(); |
| 455 | this->postAnimatingEvent(); |
| 456 | } |
| 457 | return true; |
| 458 | } |
reed@android.com | 34245c7 | 2009-11-03 04:00:48 +0000 | [diff] [blame] | 459 | if (evt.isType("set-curr-index")) { |
| 460 | fCurrIndex = evt.getFast32() % fSamples.count(); |
| 461 | this->loadView(fSamples[fCurrIndex]()); |
| 462 | return true; |
| 463 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 464 | return this->INHERITED::onEvent(evt); |
| 465 | } |
| 466 | |
reed@android.com | 0ae6b24 | 2008-12-23 16:49:54 +0000 | [diff] [blame] | 467 | static void cleanup_for_filename(SkString* name) { |
| 468 | char* str = name->writable_str(); |
| 469 | for (int i = 0; i < name->size(); i++) { |
| 470 | switch (str[i]) { |
| 471 | case ':': str[i] = '-'; break; |
| 472 | case '/': str[i] = '-'; break; |
| 473 | case ' ': str[i] = '_'; break; |
| 474 | default: break; |
| 475 | } |
| 476 | } |
| 477 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 478 | |
| 479 | bool SampleWindow::onHandleChar(SkUnichar uni) { |
| 480 | int dx = 0xFF; |
| 481 | int dy = 0xFF; |
| 482 | |
| 483 | switch (uni) { |
| 484 | case '5': dx = 0; dy = 0; break; |
| 485 | case '8': dx = 0; dy = -1; break; |
| 486 | case '6': dx = 1; dy = 0; break; |
| 487 | case '2': dx = 0; dy = 1; break; |
| 488 | case '4': dx = -1; dy = 0; break; |
| 489 | case '7': dx = -1; dy = -1; break; |
| 490 | case '9': dx = 1; dy = -1; break; |
| 491 | case '3': dx = 1; dy = 1; break; |
| 492 | case '1': dx = -1; dy = 1; break; |
| 493 | |
| 494 | default: |
| 495 | break; |
| 496 | } |
| 497 | |
| 498 | if (0xFF != dx && 0xFF != dy) { |
| 499 | if ((dx | dy) == 0) { |
| 500 | fScrollTestX = fScrollTestY = 0; |
| 501 | } else { |
| 502 | fScrollTestX += dx; |
| 503 | fScrollTestY += dy; |
| 504 | } |
| 505 | this->inval(NULL); |
| 506 | return true; |
| 507 | } |
| 508 | |
reed@android.com | 0ae6b24 | 2008-12-23 16:49:54 +0000 | [diff] [blame] | 509 | switch (uni) { |
| 510 | case 'a': |
| 511 | fAnimating = !fAnimating; |
| 512 | this->postAnimatingEvent(); |
| 513 | this->updateTitle(); |
| 514 | return true; |
| 515 | case 'f': { |
| 516 | const char* title = this->getTitle(); |
| 517 | if (title[0] == 0) { |
| 518 | title = "sampleapp"; |
| 519 | } |
| 520 | SkString name(title); |
| 521 | cleanup_for_filename(&name); |
| 522 | name.append(".png"); |
| 523 | if (SkImageEncoder::EncodeFile(name.c_str(), this->getBitmap(), |
reed@android.com | b08eb2b | 2009-01-06 20:16:26 +0000 | [diff] [blame] | 524 | SkImageEncoder::kPNG_Type, 100)) { |
reed@android.com | 0ae6b24 | 2008-12-23 16:49:54 +0000 | [diff] [blame] | 525 | SkDebugf("Created %s\n", name.c_str()); |
| 526 | } |
| 527 | return true; |
| 528 | } |
reed@android.com | 6c5f6f2 | 2009-08-14 16:08:38 +0000 | [diff] [blame] | 529 | case 'r': |
| 530 | fRotate = !fRotate; |
| 531 | this->inval(NULL); |
| 532 | this->updateTitle(); |
| 533 | return true; |
| 534 | case 's': |
| 535 | fScale = !fScale; |
| 536 | this->inval(NULL); |
| 537 | this->updateTitle(); |
| 538 | return true; |
reed@android.com | 0ae6b24 | 2008-12-23 16:49:54 +0000 | [diff] [blame] | 539 | default: |
| 540 | break; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 541 | } |
| 542 | |
| 543 | return this->INHERITED::onHandleChar(uni); |
| 544 | } |
| 545 | |
| 546 | #include "SkDumpCanvas.h" |
| 547 | |
| 548 | bool SampleWindow::onHandleKey(SkKey key) { |
| 549 | switch (key) { |
| 550 | case kRight_SkKey: |
| 551 | if (this->nextSample()) { |
| 552 | return true; |
| 553 | } |
| 554 | break; |
| 555 | case kLeft_SkKey: |
| 556 | fCanvasType = cycle_canvastype(fCanvasType); |
| 557 | this->updateTitle(); |
| 558 | this->inval(NULL); |
| 559 | return true; |
| 560 | case kUp_SkKey: |
reed@android.com | e522ca5 | 2009-11-23 20:10:41 +0000 | [diff] [blame] | 561 | fNClip = !fNClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 562 | this->updateTitle(); |
| 563 | this->inval(NULL); |
| 564 | return true; |
| 565 | case kDown_SkKey: |
| 566 | this->setConfig(cycle_configs(this->getBitmap().config())); |
| 567 | this->updateTitle(); |
| 568 | return true; |
| 569 | case kOK_SkKey: |
| 570 | if (true) { |
| 571 | SkDebugfDumper dumper; |
| 572 | SkDumpCanvas dc(&dumper); |
| 573 | this->draw(&dc); |
| 574 | } else { |
| 575 | fRepeatDrawing = !fRepeatDrawing; |
| 576 | if (fRepeatDrawing) { |
| 577 | this->inval(NULL); |
| 578 | } |
| 579 | } |
| 580 | return true; |
reed@android.com | 34245c7 | 2009-11-03 04:00:48 +0000 | [diff] [blame] | 581 | case kBack_SkKey: |
| 582 | this->loadView(NULL); |
| 583 | return true; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 584 | default: |
| 585 | break; |
| 586 | } |
| 587 | return this->INHERITED::onHandleKey(key); |
| 588 | } |
| 589 | |
| 590 | void SampleWindow::loadView(SkView* view) { |
| 591 | SkView::F2BIter iter(this); |
| 592 | SkView* prev = iter.next(); |
| 593 | if (prev) { |
| 594 | prev->detachFromParent(); |
| 595 | } |
reed@android.com | 34245c7 | 2009-11-03 04:00:48 +0000 | [diff] [blame] | 596 | |
| 597 | if (NULL == view) { |
| 598 | view = create_overview(fSamples.count(), fSamples.begin()); |
| 599 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 600 | view->setVisibleP(true); |
| 601 | this->attachChildToFront(view)->unref(); |
| 602 | view->setSize(this->width(), this->height()); |
| 603 | |
| 604 | this->updateTitle(); |
| 605 | } |
| 606 | |
| 607 | static const char* gConfigNames[] = { |
| 608 | "unknown config", |
| 609 | "A1", |
| 610 | "A8", |
| 611 | "Index8", |
| 612 | "565", |
| 613 | "4444", |
| 614 | "8888" |
| 615 | }; |
| 616 | |
| 617 | static const char* configToString(SkBitmap::Config c) { |
| 618 | return gConfigNames[c]; |
| 619 | } |
| 620 | |
| 621 | static const char* gCanvasTypePrefix[] = { |
| 622 | "raster: ", |
| 623 | "picture: ", |
| 624 | "opengl: " |
| 625 | }; |
| 626 | |
| 627 | void SampleWindow::updateTitle() { |
| 628 | SkString title; |
| 629 | |
| 630 | SkView::F2BIter iter(this); |
| 631 | SkView* view = iter.next(); |
| 632 | SkEvent evt(gTitleEvtName); |
| 633 | if (view->doQuery(&evt)) { |
| 634 | title.set(evt.findString(gTitleEvtName)); |
| 635 | } |
| 636 | if (title.size() == 0) { |
| 637 | title.set("<unknown>"); |
| 638 | } |
| 639 | |
| 640 | title.prepend(gCanvasTypePrefix[fCanvasType]); |
| 641 | |
| 642 | title.prepend(" "); |
| 643 | title.prepend(configToString(this->getBitmap().config())); |
| 644 | |
| 645 | if (fAnimating) { |
| 646 | title.prepend("<A> "); |
| 647 | } |
reed@android.com | 6c5f6f2 | 2009-08-14 16:08:38 +0000 | [diff] [blame] | 648 | if (fScale) { |
| 649 | title.prepend("<S> "); |
| 650 | } |
| 651 | if (fRotate) { |
| 652 | title.prepend("<R> "); |
| 653 | } |
reed@android.com | e522ca5 | 2009-11-23 20:10:41 +0000 | [diff] [blame] | 654 | if (fNClip) { |
| 655 | title.prepend("<C> "); |
| 656 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 657 | this->setTitle(title.c_str()); |
| 658 | } |
| 659 | |
| 660 | void SampleWindow::onSizeChange() { |
| 661 | this->INHERITED::onSizeChange(); |
| 662 | |
| 663 | SkView::F2BIter iter(this); |
| 664 | SkView* view = iter.next(); |
| 665 | view->setSize(this->width(), this->height()); |
| 666 | |
| 667 | // rebuild our clippath |
| 668 | { |
| 669 | const SkScalar W = this->width(); |
| 670 | const SkScalar H = this->height(); |
| 671 | |
| 672 | fClipPath.reset(); |
| 673 | #if 0 |
| 674 | for (SkScalar y = SK_Scalar1; y < H; y += SkIntToScalar(32)) { |
| 675 | SkRect r; |
| 676 | r.set(SK_Scalar1, y, SkIntToScalar(30), y + SkIntToScalar(30)); |
| 677 | for (; r.fLeft < W; r.offset(SkIntToScalar(32), 0)) |
| 678 | fClipPath.addRect(r); |
| 679 | } |
| 680 | #else |
| 681 | SkRect r; |
| 682 | r.set(0, 0, W, H); |
| 683 | fClipPath.addRect(r, SkPath::kCCW_Direction); |
| 684 | r.set(W/4, H/4, W*3/4, H*3/4); |
| 685 | fClipPath.addRect(r, SkPath::kCW_Direction); |
| 686 | #endif |
| 687 | } |
| 688 | |
| 689 | this->updateTitle(); // to refresh our config |
| 690 | } |
| 691 | |
| 692 | /////////////////////////////////////////////////////////////////////////////// |
| 693 | |
| 694 | SkOSWindow* create_sk_window(void* hwnd) { |
| 695 | return new SampleWindow(hwnd); |
| 696 | } |
| 697 | |
| 698 | void get_preferred_size(int* x, int* y, int* width, int* height) { |
| 699 | *x = 10; |
| 700 | *y = 50; |
| 701 | *width = 640; |
| 702 | *height = 480; |
| 703 | } |
| 704 | |
| 705 | void application_init() { |
| 706 | // setenv("ANDROID_ROOT", "../../../data", 0); |
| 707 | setenv("ANDROID_ROOT", "/android/device/data", 0); |
reed@android.com | 5e5adfd | 2009-03-07 03:39:23 +0000 | [diff] [blame] | 708 | SkGraphics::Init(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 709 | SkEvent::Init(); |
| 710 | } |
| 711 | |
| 712 | void application_term() { |
| 713 | SkEvent::Term(); |
| 714 | SkGraphics::Term(); |
| 715 | } |