graphics/escape.c

   1 /*
   2  * Escape() function.
   3  *
   4  * Copyright 1994  Bob Amstadt
   5  * Copyright 2001  Alexandre Julliard
   6  */
   7
   8 #include <string.h>
   9 #include "windef.h"
  10 #include "wingdi.h"
  11 #include "gdi.h"
  12 #include "debugtools.h"
  13
  14 DEFAULT_DEBUG_CHANNEL(driver);
  15
  16 /***********************************************************************
  17  *            Escape  [GDI.38]
  18  */
  19 INT16 WINAPI Escape16( HDC16 hdc, INT16 escape, INT16 in_count,
  20                        SEGPTR in_data, LPVOID out_data )
  21 {
  22     INT ret;
  23
  24     switch(escape)
  25     {
  26     /* Escape(hdc,CLIP_TO_PATH,LPINT16,NULL) */
  27     /* Escape(hdc,DRAFTMODE,LPINT16,NULL) */
  28     /* Escape(hdc,ENUMPAPERBINS,LPINT16,LPSTR); */
  29     /* Escape(hdc,EPSPRINTING,LPINT16,NULL) */
  30     /* Escape(hdc,EXT_DEVICE_CAPS,LPINT16,LPDWORD) */
  31     /* Escape(hdc,GETCOLORTABLE,LPINT16,LPDWORD) */
  32     /* Escape(hdc,MOUSETRAILS,LPINT16,NULL) */
  33     /* Escape(hdc,POSTSCRIPT_IGNORE,LPINT16,NULL) */
  34     /* Escape(hdc,QUERYESCSUPPORT,LPINT16,NULL) */
  35     /* Escape(hdc,SET_ARC_DIRECTION,LPINT16,NULL) */
  36     /* Escape(hdc,SET_POLY_MODE,LPINT16,NULL) */
  37     /* Escape(hdc,SET_SCREEN_ANGLE,LPINT16,NULL) */
  38     /* Escape(hdc,SET_SPREAD,LPINT16,NULL) */
  39     case CLIP_TO_PATH:
  40     case DRAFTMODE:
  41     case ENUMPAPERBINS:
  42     case EPSPRINTING:
  43     case EXT_DEVICE_CAPS:
  44     case GETCOLORTABLE:
  45     case MOUSETRAILS:
  46     case POSTSCRIPT_IGNORE:
  47     case QUERYESCSUPPORT:
  48     case SET_ARC_DIRECTION:
  49     case SET_POLY_MODE:
  50     case SET_SCREEN_ANGLE:
  51     case SET_SPREAD:
  52     {
  53         INT16 *ptr = MapSL(in_data);
  54         INT data = *ptr;
  55         return Escape( hdc, escape, sizeof(data), (LPCSTR)&data, out_data );
  56     }
  57
  58     /* Escape(hdc,ENABLEDUPLEX,LPUINT16,NULL) */
  59     case ENABLEDUPLEX:
  60     {
  61         UINT16 *ptr = MapSL(in_data);
  62         UINT data = *ptr;
  63         return Escape( hdc, escape, sizeof(data), (LPCSTR)&data, NULL );
  64     }
  65
  66     /* Escape(hdc,GETPHYSPAGESIZE,NULL,LPPOINT16) */
  67     /* Escape(hdc,GETPRINTINGOFFSET,NULL,LPPOINT16) */
  68     /* Escape(hdc,GETSCALINGFACTOR,NULL,LPPOINT16) */
  69     case GETPHYSPAGESIZE:
  70     case GETPRINTINGOFFSET:
  71     case GETSCALINGFACTOR:
  72     {
  73         POINT16 *ptr = out_data;
  74         POINT pt32;
  75         ret = Escape( hdc, escape, 0, NULL, &pt32 );
  76         ptr->x = pt32.x;
  77         ptr->y = pt32.y;
  78         return ret;
  79     }
  80
  81     /* Escape(hdc,ENABLEPAIRKERNING,LPINT16,LPINT16); */
  82     /* Escape(hdc,ENABLERELATIVEWIDTHS,LPINT16,LPINT16); */
  83     /* Escape(hdc,SETCOPYCOUNT,LPINT16,LPINT16) */
  84     /* Escape(hdc,SETKERNTRACK,LPINT16,LPINT16) */
  85     /* Escape(hdc,SETLINECAP,LPINT16,LPINT16) */
  86     /* Escape(hdc,SETLINEJOIN,LPINT16,LPINT16) */
  87     /* Escape(hdc,SETMITERLIMIT,LPINT16,LPINT16) */
  88     case ENABLEPAIRKERNING:
  89     case ENABLERELATIVEWIDTHS:
  90     case SETCOPYCOUNT:
  91     case SETKERNTRACK:
  92     case SETLINECAP:
  93     case SETLINEJOIN:
  94     case SETMITERLIMIT:
  95     {
  96         INT16 *new = MapSL(in_data);
  97         INT16 *old = out_data;
  98         INT out, in = *new;
  99         ret = Escape( hdc, escape, sizeof(in), (LPCSTR)&in, &out );
 100         *old = out;
 101         return ret;
 102     }
 103
 104     /* Escape(hdc,SETABORTPROC,ABORTPROC,NULL); */
 105     case SETABORTPROC:
 106         return SetAbortProc16( hdc, in_data );
 107
 108     /* Escape(hdc,STARTDOC,LPSTR,LPDOCINFO16);
 109      * lpvOutData is actually a pointer to the DocInfo structure and used as
 110      * a second input parameter */
 111     case STARTDOC:
 112         if (out_data)
 113         {
 114             ret = StartDoc16( hdc, out_data );
 115             if (ret > 0) ret = StartPage( hdc );
 116             return ret;
 117         }
 118         return Escape( hdc, escape, in_count, MapSL(in_data), NULL );
 119
 120     /* Escape(hdc,SET_BOUNDS,LPRECT16,NULL); */
 121     /* Escape(hdc,SET_CLIP_BOX,LPRECT16,NULL); */
 122     case SET_BOUNDS:
 123     case SET_CLIP_BOX:
 124     {
 125         RECT16 *rc16 = MapSL(in_data);
 126         RECT rc;
 127         rc.left   = rc16->left;
 128         rc.top    = rc16->top;
 129         rc.right  = rc16->right;
 130         rc.bottom = rc16->bottom;
 131         return Escape( hdc, escape, sizeof(rc), (LPCSTR)&rc, NULL );
 132     }
 133
 134     /* Escape(hdc,NEXTBAND,NULL,LPRECT16); */
 135     case NEXTBAND:
 136     {
 137         RECT rc;
 138         RECT16 *rc16 = out_data;
 139         ret = Escape( hdc, escape, 0, NULL, &rc );
 140         rc16->left   = rc.left;
 141         rc16->top    = rc.top;
 142         rc16->right  = rc.right;
 143         rc16->bottom = rc.bottom;
 144         return ret;
 145     }
 146
 147     /* Escape(hdc,ABORTDOC,NULL,NULL); */
 148     /* Escape(hdc,BANDINFO,BANDINFOSTRUCT*,BANDINFOSTRUCT*); */
 149     /* Escape(hdc,BEGIN_PATH,NULL,NULL); */
 150     /* Escape(hdc,DRAWPATTERNRECT,PRECT_STRUCT*,NULL); */
 151     /* Escape(hdc,ENDDOC,NULL,NULL); */
 152     /* Escape(hdc,END_PATH,PATHINFO,NULL); */
 153     /* Escape(hdc,EXTTEXTOUT,EXTTEXT_STRUCT*,NULL); */
 154     /* Escape(hdc,FLUSHOUTPUT,NULL,NULL); */
 155     /* Escape(hdc,GETFACENAME,NULL,LPSTR); */
 156     /* Escape(hdc,GETPAIRKERNTABLE,NULL,KERNPAIR*); */
 157     /* Escape(hdc,GETSETPAPERBINS,BinInfo*,BinInfo*); */
 158     /* Escape(hdc,GETSETPRINTORIENT,ORIENT*,NULL); */
 159     /* Escape(hdc,GETSETSCREENPARAMS,SCREENPARAMS*,SCREENPARAMS*); */
 160     /* Escape(hdc,GETTECHNOLOGY,NULL,LPSTR); */
 161     /* Escape(hdc,GETTRACKKERNTABLE,NULL,KERNTRACK*); */
 162     /* Escape(hdc,MFCOMMENT,LPSTR,NULL); */
 163     /* Escape(hdc,NEWFRAME,NULL,NULL); */
 164     /* Escape(hdc,PASSTHROUGH,LPSTR,NULL); */
 165     /* Escape(hdc,RESTORE_CTM,NULL,NULL); */
 166     /* Escape(hdc,SAVE_CTM,NULL,NULL); */
 167     /* Escape(hdc,SETALLJUSTVALUES,EXTTEXTDATA*,NULL); */
 168     /* Escape(hdc,SETCOLORTABLE,COLORTABLE_STRUCT*,LPDWORD); */
 169     /* Escape(hdc,SET_BACKGROUND_COLOR,LPDWORD,LPDWORD); */
 170     /* Escape(hdc,TRANSFORM_CTM,LPSTR,NULL); */
 171     case ABORTDOC:
 172     case BANDINFO:
 173     case BEGIN_PATH:
 174     case DRAWPATTERNRECT:
 175     case ENDDOC:
 176     case END_PATH:
 177     case EXTTEXTOUT:
 178     case FLUSHOUTPUT:
 179     case GETFACENAME:
 180     case GETPAIRKERNTABLE:
 181     case GETSETPAPERBINS:
 182     case GETSETPRINTORIENT:
 183     case GETSETSCREENPARAMS:
 184     case GETTECHNOLOGY:
 185     case GETTRACKKERNTABLE:
 186     case MFCOMMENT:
 187     case NEWFRAME:
 188     case PASSTHROUGH:
 189     case RESTORE_CTM:
 190     case SAVE_CTM:
 191     case SETALLJUSTVALUES:
 192     case SETCOLORTABLE:
 193     case SET_BACKGROUND_COLOR:
 194     case TRANSFORM_CTM:
 195         /* pass it unmodified to the 32-bit function */
 196         return Escape( hdc, escape, in_count, MapSL(in_data), out_data );
 197
 198     /* Escape(hdc,ENUMPAPERMETRICS,LPINT16,LPRECT16); */
 199     /* Escape(hdc,GETEXTENDEDTEXTMETRICS,LPUINT16,EXTTEXTMETRIC*); */
 200     /* Escape(hdc,GETEXTENTTABLE,LPSTR,LPINT16); */
 201     /* Escape(hdc,GETSETPAPERMETRICS,LPRECT16,LPRECT16); */
 202     /* Escape(hdc,GETVECTORBRUSHSIZE,LPLOGBRUSH16,LPPOINT16); */
 203     /* Escape(hdc,GETVECTORPENSIZE,LPLOGPEN16,LPPOINT16); */
 204     case ENUMPAPERMETRICS:
 205     case GETEXTENDEDTEXTMETRICS:
 206     case GETEXTENTTABLE:
 207     case GETSETPAPERMETRICS:
 208     case GETVECTORBRUSHSIZE:
 209     case GETVECTORPENSIZE:
 210     default:
 211         FIXME("unknown/unsupported 16-bit escape %x (%d,%p,%p\n",
 212               escape, in_count, MapSL(in_data), out_data );
 213         return Escape( hdc, escape, in_count, MapSL(in_data), out_data );
 214     }
 215 }
 216
 217
 218 /************************************************************************
 219  *             Escape  [GDI32.@]
 220  */
 221 INT WINAPI Escape( HDC hdc, INT escape, INT in_count, LPCSTR in_data, LPVOID out_data )
 222 {
 223     INT ret;
 224     POINT *pt;
 225
 226     switch (escape)
 227     {
 228     case ABORTDOC:
 229         return AbortDoc( hdc );
 230
 231     case ENDDOC:
 232         return EndDoc( hdc );
 233
 234     case GETPHYSPAGESIZE:
 235         pt = out_data;
 236         pt->x = GetDeviceCaps( hdc, PHYSICALWIDTH );
 237         pt->y = GetDeviceCaps( hdc, PHYSICALHEIGHT );
 238         return 1;
 239
 240     case GETPRINTINGOFFSET:
 241         pt = out_data;
 242         pt->x = GetDeviceCaps( hdc, PHYSICALOFFSETX );
 243         pt->y = GetDeviceCaps( hdc, PHYSICALOFFSETY );
 244         return 1;
 245
 246     case GETSCALINGFACTOR:
 247         pt = out_data;
 248         pt->x = GetDeviceCaps( hdc, SCALINGFACTORX );
 249         pt->y = GetDeviceCaps( hdc, SCALINGFACTORY );
 250         return 1;
 251
 252     case NEWFRAME:
 253         return EndPage( hdc );
 254
 255     case SETABORTPROC:
 256         return SetAbortProc( hdc, (ABORTPROC)in_data );
 257
 258     case STARTDOC:
 259         {
 260             DOCINFOA doc;
 261             char *name = NULL;
 262
 263             /* in_data may not be 0 terminated so we must copy it */
 264             if (in_data)
 265             {
 266                 name = HeapAlloc( GetProcessHeap(), 0, in_count+1 );
 267                 memcpy( name, in_data, in_count );
 268                 name[in_count] = 0;
 269             }
 270             /* out_data is actually a pointer to the DocInfo structure and used as
 271              * a second input parameter */
 272             if (out_data) doc = *(DOCINFOA *)out_data;
 273             else
 274             {
 275                 doc.cbSize = sizeof(doc);
 276                 doc.lpszOutput = NULL;
 277                 doc.lpszDatatype = NULL;
 278                 doc.fwType = 0;
 279             }
 280             doc.lpszDocName = name;
 281             ret = StartDocA( hdc, &doc );
 282             if (name) HeapFree( GetProcessHeap(), 0, name );
 283             if (ret > 0) ret = StartPage( hdc );
 284             return ret;
 285         }
 286
 287     case QUERYESCSUPPORT:
 288         {
 289             INT *ptr = (INT *)in_data;
 290             if (in_count < sizeof(INT)) return 0;
 291             switch(*ptr)
 292             {
 293             case ABORTDOC:
 294             case ENDDOC:
 295             case GETPHYSPAGESIZE:
 296             case GETPRINTINGOFFSET:
 297             case GETSCALINGFACTOR:
 298             case NEWFRAME:
 299             case QUERYESCSUPPORT:
 300             case SETABORTPROC:
 301             case STARTDOC:
 302                 return TRUE;
 303             }
 304             break;
 305         }
 306     }
 307
 308     /* if not handled internally, pass it to the driver */
 309     return ExtEscape( hdc, escape, in_count, in_data, 0, out_data );
 310 }
 311
 312
 313 /******************************************************************************
 314  *              ExtEscape       [GDI32.@]
 315  *
 316  * PARAMS
 317  *    hdc         [I] Handle to device context
 318  *    nEscape     [I] Escape function
 319  *    cbInput     [I] Number of bytes in input structure
 320  *    lpszInData  [I] Pointer to input structure
 321  *    cbOutput    [I] Number of bytes in output structure
 322  *    lpszOutData [O] Pointer to output structure
 323  *
 324  * RETURNS
 325  *    Success: >0
 326  *    Not implemented: 0
 327  *    Failure: <0
 328  */
 329 INT WINAPI ExtEscape( HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData,
 330                       INT cbOutput, LPSTR lpszOutData )
 331 {
 332     INT ret = 0;
 333     DC * dc = DC_GetDCPtr( hdc );
 334     if (dc)
 335     {
 336         if (dc->funcs->pExtEscape)
 337             ret = dc->funcs->pExtEscape( dc, nEscape, cbInput, lpszInData, cbOutput, lpszOutData );
 338         GDI_ReleaseObj( hdc );
 339     }
 340     return ret;
 341 }
 342
 343
 344 /*******************************************************************
 345  *      DrawEscape [GDI32.@]
 346  *
 347  *
 348  */
 349 INT WINAPI DrawEscape(HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData)
 350 {
 351     FIXME("DrawEscape, stub\n");
 352     return 0;
 353 }