osdvector.h

   1 /*
   2     Copyright 2004-2005 Chris Tallon, 2006,2011-2012 Marten Richter
   3
   4     This file is part of VOMP.
   5
   6     VOMP is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     VOMP is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with VOMP.  If not, see <https://www.gnu.org/licenses/>.
  18 */
  19
  20
  21 #ifndef OSDVECTOR_H
  22 #define OSDVECTOR_H
  23 #include <set>
  24 #include <list>
  25 #include <vector>
  26 #include <map>
  27 #include <queue>
  28 #include <string>
  29 #include <mutex>
  30
  31 #include "osd.h"
  32 #include "colour.h"
  33 #include "tvmedia.h"
  34 #include "vdr.h"
  35
  36 #include "teletextdecodervbiebu.h"
  37
  38 enum SVGCommandInstr {
  39         DrawNoop,
  40         DrawPath,
  41         DrawGlyph,
  42         DrawImage,
  43         DrawTTchar,
  44         DrawClipping,
  45         DrawImageLoading
  46 };
  47 enum PathIndex {
  48         PIHorzLine,
  49         PIVertLine,
  50         PIRectangle,
  51         PIPoint
  52 };
  53
  54 enum Corner{
  55         TopLeft,
  56         TopRight,
  57         BottomLeft,
  58         BottomRight,
  59         TopMiddle,
  60         BottomMiddle,
  61         TopLeftLimited
  62 };
  63
  64 typedef  VectorHandle ImageIndex;
  65 typedef unsigned long long LoadIndex;
  66
  67 class SVGCommand
  68 {
  69 public:
  70         SVGCommand()
  71     {
  72                 instr=DrawNoop;
  73                 x=y=w=h=0;
  74                 reference = VECTOR_HANDLE_INIT;
  75     };
  76
  77         inline static SVGCommand PaintPath(float ix, float iy, float iw, float ih, PathIndex path, VectorHandle ref)
  78         {
  79                 SVGCommand nc;
  80                 nc.instr=DrawPath;
  81                 nc.x=ix;
  82                 nc.y=iy;
  83                 nc.w=iw;
  84                 nc.h=ih;
  85                 nc.target.path_index=path;
  86                 nc.reference=ref;
  87                 return nc;
  88         };
  89
  90         inline static SVGCommand PaintImageLoading(LoadIndex load_in, float ix, float iy, float iw, float ih, VectorHandle ref, Corner corner = TopLeft)
  91         {
  92                 SVGCommand nc;
  93                 nc.instr=DrawImageLoading;
  94                 nc.x=ix;
  95                 nc.y=iy;
  96                 nc.w=iw;
  97                 nc.h=ih;
  98                 nc.target.loadindex=load_in;
  99                 nc.reference=ref;
 100                 nc.corner=corner;
 101                 return nc;
 102         };
 103
 104         inline static SVGCommand PaintImage(float ix, float iy, float iw, float ih, ImageIndex image_in, VectorHandle ref, Corner corner = TopLeft)
 105         {
 106                 SVGCommand nc;
 107                 nc.instr=DrawImage;
 108                 nc.x=ix;
 109                 nc.y=iy;
 110                 nc.w=iw;
 111                 nc.h=ih;
 112                 nc.target.image=image_in;
 113                 nc.reference=ref;
 114                 nc.corner=corner;
 115                 return nc;
 116         };
 117
 118
 119
 120         inline static SVGCommand PaintTTchar(float ix, float iy,float iw,float ih,unsigned int ttchar_in)
 121         {
 122                 SVGCommand nc;
 123                 nc.instr=DrawTTchar;
 124                 nc.x=ix;
 125                 nc.y=iy;
 126                 nc.w=iw;
 127                 nc.h=ih;
 128                 nc.reference=0;
 129                 nc.target.ttchar=ttchar_in;
 130                 nc.corner=TopLeft;
 131                 return nc;
 132         };
 133         inline static SVGCommand PaintClipping(float ix, float iy,float iw,float ih)
 134         {
 135                 SVGCommand nc;
 136                 nc.instr=DrawClipping;
 137                 nc.x=ix;
 138                 nc.y=iy;
 139                 nc.w=iw;
 140                 nc.h=ih;
 141                 nc.reference=0;
 142                 nc.target.ttchar=0;
 143                 return nc;
 144         };
 145
 146
 147         inline static void PaintGlyph(SVGCommand& nc, float ix, float iy, wchar_t char_in, VectorHandle ref)
 148         {
 149                 nc.instr=DrawGlyph;
 150                 nc.x=ix;
 151                 nc.y=iy;
 152                 nc.w=0;
 153                 nc.h=0;
 154                 nc.reference=ref;
 155                 nc.target.textchar=char_in;
 156         };
 157
 158         bool Test(float tx,float ty,float tw, float th)
 159         {
 160                 return (x>=tx) && (y>=ty) && ((x+w)<=(tx+tw)) && ((y+h)<=(ty+th));
 161         }
 162         bool TTTest(float tox,float toy,float tx, float ty)
 163         {
 164                 return (x==tox) && (toy==y) && (w==tx) && (h==ty);
 165         }
 166         bool Outside(float tx,float ty,float tw, float th)
 167         {
 168                 return ((x+w)<tx) || ((y+h)<ty) || ((tx+tw) < x) || ((ty+th) < y);
 169         }
 170
 171         VectorHandle getRef(){ return reference; };
 172         ImageIndex getImageIndex() {
 173                 if (instr!=DrawImage) return 0;
 174                 else return target.image;
 175         };
 176         LoadIndex getLoadIndex() {
 177                 if (instr!=DrawImageLoading) return 0;
 178                 else return target.loadindex;
 179         };
 180
 181         SVGCommandInstr instr;
 182         Corner corner;
 183         float x,y,w,h;
 184         VectorHandle reference;
 185         union {
 186                 PathIndex path_index; //path_index
 187                 wchar_t textchar;
 188                 ImageIndex image;
 189                 unsigned int ttchar;
 190                 LoadIndex loadindex;
 191         } target;
 192
 193
 194 };
 195
 196 class SurfaceVector;
 197 class VDR_ResponsePacket;
 198
 199 struct SurfaceCommands{
 200         const SurfaceVector* surf;
 201         std::vector<SVGCommand> commands;
 202         float x,y,w,h;
 203 };
 204
 205
 206 class OsdVector : public Osd
 207 {
 208   public:
 209     OsdVector();
 210     virtual ~OsdVector();
 211
 212
 213     int restore();
 214
 215     int getFD();
 216
 217     void screenShot(const char* fileName);
 218     virtual bool screenShot(void *buffer, int width, int height, bool osd /*include osd*/)=0;
 219
 220     Surface * createNewSurface();
 221
 222         void Blank();
 223         virtual void updateBackgroundColor(DrawStyle /* bg */) {};
 224
 225         void updateOrAddSurface(const SurfaceVector *surf,float x,float y,float height,float width,
 226                         std::vector<SVGCommand>& commands);
 227         void removeSurface(const SurfaceVector *surf);
 228
 229         virtual float getFontHeight()=0;
 230         virtual float getCharWidth(wchar_t c)=0;
 231         float *getCharWidthArray() {return byte_char_width;};
 232
 233         //virtual ImageIndex getJpegRef(const char* fileName, int *width,int *height);
 234         virtual LoadIndex getTVMediaRef(TVMediaInfo& tvmedia,ImageIndex& image);
 235         virtual ImageIndex getMonoBitmapRef(void *base,int width,int height);
 236         virtual ImageIndex getImagePalette(int width,int height,const unsigned char *image_data,const unsigned int*palette_data);
 237
 238
 239         virtual bool getStaticImageData(unsigned int static_id, UCHAR **userdata, ULONG *length)=0;
 240
 241         void removeImageRef(const ImageIndex ref);
 242         void removeLoadIndexRef(const LoadIndex ref);
 243         VectorHandle getStyleRef(const DrawStyle &c);
 244         virtual void removeStyleRef(VectorHandle ref);
 245         virtual void getScreenSize(int &width, int &height)=0;
 246         virtual void getRealScreenSize(int &width, int &height)=0;
 247
 248         // should be only called from command thread
 249         void informPicture(LoadIndex index, ImageIndex i_index);
 250
 251
 252
 253
 254     int charSet() {return 2;}; //UTF-8
 255
 256
 257     class PictureDecoder;
 258     struct PictureInfo
 259     {
 260         enum PictType {
 261                 RGBAMemBlock,
 262                 EGLImage,
 263                         D2DBitmap
 264         };
 265         PictType type;
 266         ULONG width;
 267         ULONG height;
 268         LoadIndex lindex;
 269     union {
 270         const void * image;
 271         unsigned int handle;
 272     };
 273         void *reference;
 274         PictureDecoder* decoder;
 275     };
 276
 277
 278     class PictureReader;
 279
 280     class PictureDecoder
 281     {
 282     public:
 283         PictureDecoder(PictureReader * treader) {reader=treader;};
 284         virtual ~PictureDecoder() {};
 285
 286         // its is always guaranted, that after getDecodedPicture a call to decodePicture follows, if the return value was true;
 287         virtual unsigned char * decodePicture(LoadIndex index, unsigned char * buffer, unsigned int length, bool freemem=true)=0;
 288
 289         virtual bool getDecodedPicture(struct PictureInfo& pict_inf)=0;
 290         virtual void freeReference(void * ref)=0;
 291
 292         virtual void init() {};
 293         virtual void shutdown() {};
 294
 295     protected:
 296         PictureReader * reader;
 297     };
 298
 299     class PictureReader: public Thread_TYPE {
 300     public:
 301
 302         ~PictureReader();
 303
 304         void init();
 305         void addDecoder(PictureDecoder*);
 306         void removeDecoder(PictureDecoder*);
 307
 308         void shutdown();
 309
 310
 311         bool processReceivedPictures();
 312
 313         // should be called from command thread
 314         void receivePicture(VDR_ResponsePacket *vresp);
 315
 316         void addStaticImage(unsigned int id);
 317
 318         void invalidateLoadIndex(LoadIndex index);
 319
 320         void informFallback(LoadIndex index, int fallback);
 321
 322
 323
 324
 325     protected:
 326
 327         void threadMethod();
 328
 329         std::mutex pict_lock_incoming; //locks
 330         std::mutex decoders_lock;
 331         std::queue<VDR_ResponsePacket*> pict_incoming;
 332         std::queue<unsigned int> pict_incoming_static;
 333         std::list<PictureDecoder*> decoders;
 334         std::map<LoadIndex,int> inform_fallback;
 335         std::set<LoadIndex> invalid_loadindex;
 336
 337         bool picture_update;
 338
 339     };
 340
 341     PictureReader *getPictReader() { return &reader;};
 342
 343
 344
 345 protected:
 346
 347     PictureReader reader;
 348
 349         void incImageRef(ImageIndex index);
 350         int getImageRef(ImageIndex index);
 351         virtual void destroyImageRef(ImageIndex index)=0;
 352         void incLoadIndexRef(LoadIndex index);
 353         int getLoadIndexRef(LoadIndex index);
 354
 355
 356         //virtual ImageIndex createJpeg(const char* fileName, int *width,int *height)=0;
 357         virtual ImageIndex createMonoBitmap(void *base,int width,int height)=0;
 358         virtual ImageIndex createImagePalette(int width,int height,const unsigned char *image_data,const unsigned int*palette_data)=0;
 359         virtual void createPicture(struct PictureInfo& pict_inf)=0;
 360
 361         virtual LoadIndex loadTVMedia(TVMediaInfo& tvmedia);
 362
 363
 364
 365         std::map<ImageIndex,int> images_ref;
 366         std::map<void *,ImageIndex> monobitmaps;
 367         //map<string,ImageIndex> jpegs;
 368         std::map<TVMediaInfo,ImageIndex> tvmedias;
 369         std::list<ImageIndex> palettepics;
 370
 371
 372
 373         std::map<LoadIndex,int> loadindex_ref;
 374         std::map<TVMediaInfo,LoadIndex> tvmedias_load;
 375         std::map<LoadIndex,TVMediaInfo> tvmedias_load_inv;
 376         std::map<LoadIndex,ImageIndex> tvmedias_loaded;
 377
 378
 379
 380         void incStyleRef(VectorHandle index);
 381         int getStyleRef(VectorHandle index);
 382         virtual void destroyStyleRef(VectorHandle index) = 0;
 383
 384
 385         std::map<DrawStyle, VectorHandle> styles;
 386         std::map<VectorHandle, int> styles_ref;
 387         std::map<DrawStyle, VectorHandle>::iterator styles_lastit;
 388         bool styles_lastit_valid;
 389         std::map<VectorHandle, int>::iterator styles_ref_lastit;
 390         bool styles_ref_lastit_valid;
 391
 392         virtual VectorHandle createStyleRef(const DrawStyle &c) = 0;
 393
 394         void dereferenceSVGCommand(std::vector<SVGCommand>& commands );
 395         void referenceSVGCommand(std::vector<SVGCommand>& commands );
 396         void cleanupOrphanedRefs();
 397
 398
 399
 400         virtual void drawSetTrans(SurfaceCommands & sc)=0;
 401         virtual void executeDrawCommand(SVGCommand & command)=0;
 402
 403
 404         std::list<SurfaceCommands> scommands;
 405
 406         std::mutex surfaces_mutex;
 407
 408         float byte_char_width[256];
 409
 410         void drawSurfaces();
 411 };
 412
 413 #endif