582 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			582 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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| 
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| Copyright 1996, 1998  The Open Group
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| 
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| Permission to use, copy, modify, distribute, and sell this software and its
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| documentation for any purpose is hereby granted without fee, provided that
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| the above copyright notice appear in all copies and that both that
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| copyright notice and this permission notice appear in supporting
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| documentation.
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| 
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| The above copyright notice and this permission notice shall be included in
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| all copies or substantial portions of the Software.
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| 
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
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| OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 
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| Except as contained in this notice, the name of The Open Group shall not be
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| used in advertising or otherwise to promote the sale, use or other dealings
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| in this Software without prior written authorization from The Open Group.
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| 
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| */
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| /*
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|  * (c) Copyright 1996 Hewlett-Packard Company
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|  * (c) Copyright 1996 International Business Machines Corp.
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|  * (c) Copyright 1996 Sun Microsystems, Inc.
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|  * (c) Copyright 1996 Novell, Inc.
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|  * (c) Copyright 1996 Digital Equipment Corp.
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|  * (c) Copyright 1996 Fujitsu Limited
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|  * (c) Copyright 1996 Hitachi, Ltd.
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining
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|  * a copy of this software and associated documentation files (the
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|  * "Software"), to deal in the Software without restriction, including
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|  * without limitation the rights to use, copy, modify, merge, publish,
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|  * distribute, sublicense, and/or sell copies of the Software, and to
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|  * permit persons to whom the Software is furnished to do so, subject
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|  * to the following conditions:
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|  *
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|  * The above copyright notice and this permission notice shall be included
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|  * in all copies or substantial portions of the Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 | |
|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 | |
|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 | |
|  * THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 | |
|  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 | |
|  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 | |
|  * SOFTWARE.
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|  *
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|  * Except as contained in this notice, the names of the copyright holders
 | |
|  * shall not be used in advertising or otherwise to promote the sale, use
 | |
|  * or other dealings in this Software without prior written authorization
 | |
|  * from said copyright holders.
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|  */
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| 
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| /*******************************************************************
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| **
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| **    *********************************************************
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| **    *
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| **    *  File:		PsText.c
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| **    *
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| **    *  Contents:	Character-drawing routines for the PS DDX
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| **    *
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| **    *  Created By:	Roger Helmendach (Liberty Systems)
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| **    *
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| **    *  Copyright:	Copyright 1996 The Open Group, Inc.
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| **    *
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| **    *********************************************************
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| ** 
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| ********************************************************************/
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| 
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| #ifdef HAVE_DIX_CONFIG_H
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| #include <dix-config.h>
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| #endif
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| 
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| #include "Ps.h"
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| #include "gcstruct.h"
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| #include "windowstr.h"
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| #include <X11/fonts/fntfil.h>
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| #include <X11/fonts/fntfilst.h>
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| #include <limits.h>
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| 
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| int
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| PsPolyText8(
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|   DrawablePtr pDrawable,
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|   GCPtr       pGC,
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|   int         x,
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|   int         y,
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|   int         count,
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|   char       *string)
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| {
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|   if( pDrawable->type==DRAWABLE_PIXMAP )
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|   {
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|     DisplayElmPtr   elm;
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|     PixmapPtr       pix  = (PixmapPtr)pDrawable;
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|     PsPixmapPrivPtr priv = (PsPixmapPrivPtr)pix->devPrivate.ptr;
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|     DisplayListPtr  disp;
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|     GCPtr           gc;
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| 
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|     if ((gc = PsCreateAndCopyGC(pDrawable, pGC)) == NULL) return x;
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| 
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|     disp = PsGetFreeDisplayBlock(priv);
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| 
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|     elm  = &disp->elms[disp->nelms];
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|     elm->type = Text8Cmd;
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|     elm->gc   = gc;
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|     elm->c.text8.x      = x;
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|     elm->c.text8.y      = y;
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|     elm->c.text8.count  = count;
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|     elm->c.text8.string = (char *)xalloc(count);
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|     memcpy(elm->c.text8.string, string, count);
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|     disp->nelms += 1;
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|     
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|     return x;
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|   }
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|   else
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|   {
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|     PsFontInfoRec *firec;
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| 
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|     /* We need a context for rendering... */
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|     if (PsGetPsContextPriv(pDrawable) == NULL)
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|       return x;
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| 
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|     firec = PsGetFontInfoRec(pDrawable, pGC->font);
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|     if (!firec)
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|         return x;
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| 
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| #ifdef XP_USE_FREETYPE    
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|     if (firec->ftir->downloadableFont && 
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|         (firec->ftir->font_type == PSFTI_FONT_TYPE_FREETYPE))
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|     {
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|         PsOutPtr       psOut;
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|         ColormapPtr    cMap;
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|         
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| 	if( PsUpdateDrawableGC(pGC, pDrawable, &psOut, &cMap)==FALSE ) 
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| 	    return x; 
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| 
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|         if (firec->ftir->alreadyDownloaded[0] == False)
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|         {
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|             PsOut_DownloadFreeType(psOut,
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|                                    firec->ftir->ft_download_font_type,
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|                                    firec->ftir->download_ps_name, pGC->font, 0);              
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|             firec->ftir->alreadyDownloaded[0] = True;
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|         }
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| 
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|         PsOut_Offset(psOut, pDrawable->x, pDrawable->y);
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|        	PsOut_Color(psOut, PsGetPixelColor(cMap, pGC->fgPixel)); 
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|        	if (!firec->size)
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|             PsOut_TextAttrsMtx(psOut, firec->ftir->download_ps_name, firec->mtx, firec->ftir->is_iso_encoding); 
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|         else
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|             PsOut_TextAttrs(psOut, firec->ftir->download_ps_name, firec->size, firec->ftir->is_iso_encoding); 
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|         PsOut_FreeType_Text(pGC->font, psOut, x, y, string, count);
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| 
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| 	return x;	
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|     }
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|     else
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| #endif /* XP_USE_FREETYPE */
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|          if (firec->ftir->downloadableFont && 
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|              (firec->ftir->font_type != PSFTI_FONT_TYPE_FREETYPE))
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|     {
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|         PsOutPtr       psOut;
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|         ColormapPtr    cMap;
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|         
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| 	if( PsUpdateDrawableGC(pGC, pDrawable, &psOut, &cMap)==FALSE ) 
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| 	    return x; 
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| 
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|         if (firec->ftir->alreadyDownloaded[0] == False)
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|         {
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|             PsOut_DownloadType1(psOut, "PsPolyText8",
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|                                 firec->ftir->download_ps_name, firec->ftir->filename);
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|             firec->ftir->alreadyDownloaded[0] = True;
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|         }
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| 
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|         PsOut_Offset(psOut, pDrawable->x, pDrawable->y);
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|        	PsOut_Color(psOut, PsGetPixelColor(cMap, pGC->fgPixel)); 
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|        	if (!firec->size)
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|             PsOut_TextAttrsMtx(psOut, firec->ftir->download_ps_name, firec->mtx, firec->ftir->is_iso_encoding); 
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|         else
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|             PsOut_TextAttrs(psOut, firec->ftir->download_ps_name, firec->size, firec->ftir->is_iso_encoding); 
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|         PsOut_Text(psOut, x, y, string, count, -1);
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| 
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| 	return x;	
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|     }    
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|     
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|     /* Render glyphs as bitmaps */
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|     {
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|         unsigned long n, i;
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|         int w;
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|         CharInfoPtr charinfo[255];  
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| 
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|         GetGlyphs(pGC->font, (unsigned long)count, 
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|             (unsigned char *)string, Linear8Bit, &n, charinfo);
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|         w = 0;
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|         for (i=0; i < n; i++)
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|           w += charinfo[i]->metrics.characterWidth;
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| 
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|         if (n != 0)
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|             PsPolyGlyphBlt(pDrawable, pGC, x, y, n, 
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|                     charinfo, FONTGLYPHS(pGC->font));
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|         x += w;
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|         
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|         return x;
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|     }  
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|   }
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|   return x;
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| }
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| 
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| int
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| PsPolyText16(
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|   DrawablePtr     pDrawable,
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|   GCPtr           pGC,
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|   int             x,
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|   int             y,
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|   int             count,
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|   unsigned short *string)
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| {
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|   if( pDrawable->type==DRAWABLE_PIXMAP )
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|   {
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|     DisplayElmPtr   elm;
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|     PixmapPtr       pix  = (PixmapPtr)pDrawable;
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|     PsPixmapPrivPtr priv = (PsPixmapPrivPtr)pix->devPrivate.ptr;
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|     DisplayListPtr  disp;
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|     GCPtr           gc;
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| 
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|     if ((gc = PsCreateAndCopyGC(pDrawable, pGC)) == NULL) return x;
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| 
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|     disp = PsGetFreeDisplayBlock(priv);
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| 
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|     elm  = &disp->elms[disp->nelms];
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|     elm->type = Text16Cmd;
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|     elm->gc   = gc;
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|     elm->c.text16.x      = x;
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|     elm->c.text16.y      = y;
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|     elm->c.text16.count  = count;
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|     elm->c.text16.string =
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|       (unsigned short *)xalloc(count*sizeof(unsigned short));
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|     memcpy(elm->c.text16.string, string, count*sizeof(unsigned short));
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|     disp->nelms += 1;
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| 
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|     return x;
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|   }
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|   else
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|   {
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|     PsFontInfoRec *firec;
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| 
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|     /* We need a context for rendering... */
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|     if (PsGetPsContextPriv(pDrawable) == NULL)
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|       return x;
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| 
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|     firec = PsGetFontInfoRec(pDrawable, pGC->font);
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|     if (!firec)
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|         return x;
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| 
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| #ifdef XP_USE_FREETYPE    
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|     if (firec->ftir->downloadableFont &&
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|         (firec->ftir->font_type == PSFTI_FONT_TYPE_FREETYPE))
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|     {
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|         PsOutPtr       psOut;
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|         ColormapPtr    cMap;
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|         unsigned short c,
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|                        c_hiByte,
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|                        c_lowByte,
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|                        fontPage;
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|         int            i;
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|         
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| 	if( PsUpdateDrawableGC(pGC, pDrawable, &psOut, &cMap)==FALSE ) 
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| 	    return x; 
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| 
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|         /* Scan the string we want to render and download all neccesary parts
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|          * of the font (one part(="font page") has 256 glyphs)
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|          */
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|         for( i = 0 ; i < count ; i++ )
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|         {
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|             c = string[i];
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| #if IMAGE_BYTE_ORDER == LSBFirst
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|             c_hiByte = c & 0x00FF;
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|             c_lowByte = (c >> 8) & 0x00FF;
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| #elif IMAGE_BYTE_ORDER == MSBFirst
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|             c_hiByte  = (c >> 8) & 0x00FF;
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|             c_lowByte = c & 0x00FF;
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| #else
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| #error Unsupported byte order
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| #endif
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|             fontPage  = c_hiByte;
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|           
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|             if (firec->ftir->alreadyDownloaded[fontPage] == False)
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|             {
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|                 char        buffer[256];
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|                 const char *ps_name;
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| 
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|                 if (fontPage > 0)
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|                 {
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|                     sprintf(buffer, "%s_%x", firec->ftir->download_ps_name, (int)fontPage);
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|                     ps_name = buffer;
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|                 }
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|                 else
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|                 {
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|                     ps_name = firec->ftir->download_ps_name;
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|                 }
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| 
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|                 PsOut_DownloadFreeType(psOut,
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|                                        firec->ftir->ft_download_font_type,
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|                                        ps_name, pGC->font, (fontPage * 0x100)); /* same as (fontPage << 8) */    
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|                                  
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|                 firec->ftir->alreadyDownloaded[fontPage] = True;
 | |
|             }
 | |
|         }
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| 
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| 
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|         PsOut_Offset(psOut, pDrawable->x, pDrawable->y);
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|        	PsOut_Color(psOut, PsGetPixelColor(cMap, pGC->fgPixel)); 
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|        	if (!firec->size)
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|             PsOut_FreeType_TextAttrsMtx16(psOut, firec->ftir->download_ps_name, firec->mtx, firec->ftir->is_iso_encoding); 
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|         else
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|             PsOut_FreeType_TextAttrs16(psOut, firec->ftir->download_ps_name, firec->size, firec->ftir->is_iso_encoding); 
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|         PsOut_FreeType_Text16(pGC->font, psOut, x, y, string, count);
 | |
|         
 | |
| 	return x;	
 | |
|     }
 | |
|     else
 | |
| #endif /* XP_USE_FREETYPE */
 | |
|          if (firec->ftir->downloadableFont &&
 | |
|              (firec->ftir->font_type != PSFTI_FONT_TYPE_FREETYPE))
 | |
|     {
 | |
|         PsOutPtr       psOut;
 | |
|         ColormapPtr    cMap;
 | |
|         unsigned short fontPage;
 | |
|         
 | |
| 	if( PsUpdateDrawableGC(pGC, pDrawable, &psOut, &cMap)==FALSE ) 
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| 	    return x; 
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| 
 | |
|         PsOut_DownloadType1(psOut, "PsPolyText16",
 | |
|                             firec->ftir->download_ps_name, firec->ftir->filename);
 | |
|         firec->ftir->alreadyDownloaded[fontPage] = True;
 | |
| 
 | |
|         PsOut_Offset(psOut, pDrawable->x, pDrawable->y);
 | |
|        	PsOut_Color(psOut, PsGetPixelColor(cMap, pGC->fgPixel)); 
 | |
|        	if (!firec->size)
 | |
|             PsOut_TextAttrsMtx(psOut, firec->ftir->download_ps_name, firec->mtx, firec->ftir->is_iso_encoding); 
 | |
|         else
 | |
|             PsOut_TextAttrs(psOut, firec->ftir->download_ps_name, firec->size, firec->ftir->is_iso_encoding); 
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|         PsOut_Text16(psOut, x, y, string, count, -1);
 | |
|         
 | |
| 	return x;	
 | |
|     }
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|     
 | |
|     /* Render glyphs as bitmaps */
 | |
|     {
 | |
|         unsigned long n, i;
 | |
|         int w;
 | |
|         CharInfoPtr charinfo[255];  /* encoding only has 1 byte for count */
 | |
| 
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|         GetGlyphs(pGC->font, (unsigned long)count, (unsigned char *)string,
 | |
|                   (FONTLASTROW(pGC->font) == 0) ? Linear16Bit : TwoD16Bit,
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|                   &n, charinfo);
 | |
|         w = 0;
 | |
|         for (i=0; i < n; i++)
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|           w += charinfo[i]->metrics.characterWidth;
 | |
|         if (n != 0)
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| 	    PsPolyGlyphBlt(pDrawable, pGC, x, y, n, charinfo, FONTGLYPHS(pGC->font));
 | |
|         x += w;
 | |
|         
 | |
|         return x;
 | |
|     }  
 | |
|   }
 | |
|   return x;
 | |
| }
 | |
| 
 | |
| void
 | |
| PsImageText8(
 | |
|   DrawablePtr pDrawable,
 | |
|   GCPtr       pGC,
 | |
|   int         x,
 | |
|   int         y,
 | |
|   int         count,
 | |
|   char       *string)
 | |
| {
 | |
|   if( pDrawable->type==DRAWABLE_PIXMAP )
 | |
|   {
 | |
|     DisplayElmPtr   elm;
 | |
|     PixmapPtr       pix  = (PixmapPtr)pDrawable;
 | |
|     PsPixmapPrivPtr priv = (PsPixmapPrivPtr)pix->devPrivate.ptr;
 | |
|     DisplayListPtr  disp;
 | |
|     GCPtr           gc;
 | |
| 
 | |
|     if ((gc = PsCreateAndCopyGC(pDrawable, pGC)) == NULL) return;
 | |
| 
 | |
|     disp = PsGetFreeDisplayBlock(priv);
 | |
| 
 | |
|     elm  = &disp->elms[disp->nelms];
 | |
|     elm->type = TextI8Cmd;
 | |
|     elm->gc   = gc;
 | |
|     elm->c.text8.x      = x;
 | |
|     elm->c.text8.y      = y;
 | |
|     elm->c.text8.count  = count;
 | |
|     elm->c.text8.string = (char *)xalloc(count);
 | |
|     memcpy(elm->c.text8.string, string, count);
 | |
|     disp->nelms += 1;
 | |
|   }
 | |
|   else
 | |
|   {
 | |
|     int          iso;
 | |
|     int          siz;
 | |
|     float        mtx[4];
 | |
|     char        *fnam;
 | |
|     PsOutPtr     psOut;
 | |
|     ColormapPtr  cMap;
 | |
| 
 | |
|     if( PsUpdateDrawableGC(pGC, pDrawable, &psOut, &cMap)==FALSE ) return;
 | |
|     PsOut_Offset(psOut, pDrawable->x, pDrawable->y);
 | |
|     PsOut_Color(psOut, PsGetPixelColor(cMap, pGC->fgPixel));
 | |
|     fnam = PsGetPSFontName(pGC->font);
 | |
|     if( !fnam ) fnam = "Times-Roman";
 | |
|     siz = PsGetFontSize(pGC->font, mtx);
 | |
|     iso = PsIsISOLatin1Encoding(pGC->font);
 | |
|     if( !siz ) PsOut_TextAttrsMtx(psOut, fnam, mtx, iso);
 | |
|     else       PsOut_TextAttrs(psOut, fnam, siz, iso);
 | |
|     PsOut_Text(psOut, x, y, string, count, PsGetPixelColor(cMap, pGC->bgPixel));
 | |
|   }
 | |
| }
 | |
| 
 | |
| void
 | |
| PsImageText16(
 | |
|   DrawablePtr     pDrawable,
 | |
|   GCPtr           pGC,
 | |
|   int             x,
 | |
|   int             y,
 | |
|   int             count,
 | |
|   unsigned short *string)
 | |
| {
 | |
|   if( pDrawable->type==DRAWABLE_PIXMAP )
 | |
|   {
 | |
|     DisplayElmPtr   elm;
 | |
|     PixmapPtr       pix  = (PixmapPtr)pDrawable;
 | |
|     PsPixmapPrivPtr priv = (PsPixmapPrivPtr)pix->devPrivate.ptr;
 | |
|     DisplayListPtr  disp;
 | |
|     GCPtr           gc;
 | |
| 
 | |
|     if ((gc = PsCreateAndCopyGC(pDrawable, pGC)) == NULL) return;
 | |
| 
 | |
|     disp = PsGetFreeDisplayBlock(priv);
 | |
| 
 | |
|     elm  = &disp->elms[disp->nelms];
 | |
|     elm->type = TextI16Cmd;
 | |
|     elm->gc   = gc;
 | |
|     elm->c.text16.x      = x;
 | |
|     elm->c.text16.y      = y;
 | |
|     elm->c.text16.count  = count;
 | |
|     elm->c.text16.string =
 | |
|       (unsigned short *)xalloc(count*sizeof(unsigned short));
 | |
|     memcpy(elm->c.text16.string, string, count*sizeof(unsigned short));
 | |
|     disp->nelms += 1;
 | |
|   }
 | |
|   else
 | |
|   {
 | |
|     int   i;
 | |
|     char *str;
 | |
|     if( !count ) return;
 | |
|     str = (char *)xalloc(count);
 | |
|     for( i=0 ; i<count ; i++ ) str[i] = string[i];
 | |
|     PsImageText8(pDrawable, pGC, x, y, count, str);
 | |
|     free(str);
 | |
|   }
 | |
| }
 | |
| 
 | |
| void
 | |
| PsImageGlyphBlt(
 | |
|   DrawablePtr   pDrawable,
 | |
|   GCPtr         pGC,
 | |
|   int           x,
 | |
|   int           y,
 | |
|   unsigned int  nGlyphs,
 | |
|   CharInfoPtr  *pCharInfo,
 | |
|   pointer       pGlyphBase)
 | |
| {
 | |
|   /* NOT TO BE IMPLEMENTED */
 | |
| }
 | |
| 
 | |
| void
 | |
| PsPolyGlyphBlt(
 | |
|   DrawablePtr   pDrawable,
 | |
|   GCPtr         pGC,
 | |
|   int           x,
 | |
|   int           y,
 | |
|   unsigned int  nGlyphs,
 | |
|   CharInfoPtr  *pCharInfo,
 | |
|   pointer       pGlyphBase)
 | |
| {
 | |
|     int width, height;
 | |
|     PixmapPtr pPixmap;
 | |
|     int nbyLine;                        /* bytes per line of padded pixmap */
 | |
|     FontPtr pfont;
 | |
|     GCPtr pGCtmp;
 | |
|     register int i;
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|     register int j;
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|     unsigned char *pbits;               /* buffer for PutImage */
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|     register unsigned char *pb;         /* temp pointer into buffer */
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|     register CharInfoPtr pci;           /* currect char info */
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|     register unsigned char *pglyph;     /* pointer bits in glyph */
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|     int gWidth, gHeight;                /* width and height of glyph */
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|     register int nbyGlyphWidth;         /* bytes per scanline of glyph */
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|     int nbyPadGlyph;                    /* server padded line of glyph */
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|     int w, tmpx;
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|     XID gcvals[3];
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| 
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|     pfont = pGC->font;
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|     width = FONTMAXBOUNDS(pfont,rightSideBearing) -
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|             FONTMINBOUNDS(pfont,leftSideBearing);
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|     height = FONTMAXBOUNDS(pfont,ascent) +
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|              FONTMAXBOUNDS(pfont,descent);
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| 
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|     if ((width == 0) || (height == 0) )
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|         return;
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|     {
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|         int i;
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|         w = 0;
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|         for (i=0; i < nGlyphs; i++) w += pCharInfo[i]->metrics.characterWidth;
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|     }
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|     pGCtmp = GetScratchGC(1, pDrawable->pScreen);
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|     if (!pGCtmp)
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|     {
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|         (*pDrawable->pScreen->DestroyPixmap)(pPixmap);
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|         return;
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|     }
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| 
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|     gcvals[0] = GXcopy;
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|     gcvals[1] = pGC->fgPixel;
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|     gcvals[2] = pGC->bgPixel; 
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| 
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|     DoChangeGC(pGCtmp, GCFunction|GCForeground|GCBackground, gcvals, 0);
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| 
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|     
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|     nbyLine = BitmapBytePad(width);
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|     pbits = (unsigned char *)xalloc(height*nbyLine);
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|     if (!pbits){
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|         PsDestroyPixmap(pPixmap);
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|         return;
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|     }
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|     tmpx = 0;
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|     while(nGlyphs--)
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|     {
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|         pci = *pCharInfo++;
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|         pglyph = FONTGLYPHBITS(pGlyphBase, pci);
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|         gWidth = GLYPHWIDTHPIXELS(pci);
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|         gHeight = GLYPHHEIGHTPIXELS(pci);
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|         if (gWidth && gHeight)
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|         {
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|             nbyGlyphWidth = GLYPHWIDTHBYTESPADDED(pci);
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|             nbyPadGlyph = BitmapBytePad(gWidth);
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| 
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|             if (nbyGlyphWidth == nbyPadGlyph
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| #if GLYPHPADBYTES != 4
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|                 && (((int) pglyph) & 3) == 0
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| #endif
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|                 )
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|             {
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|                 pb = pglyph;
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|             }
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|             else
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|             {
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|                 for (i=0, pb = pbits; i<gHeight; i++, pb = pbits+(i*nbyPadGlyph))
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|                     for (j = 0; j < nbyGlyphWidth; j++)
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|                         *pb++ = *pglyph++;
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|                 pb = pbits;
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|             }
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| 
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| 	    PsPutImageMask((DrawablePtr)pDrawable, pGCtmp, 
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| 		   1, x + pci->metrics.leftSideBearing, 
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| 		   y - pci->metrics.ascent, gWidth, gHeight,
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|                    0, XYBitmap, (char *)pb);
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| 	}
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|         
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|         x  += pci->metrics.characterWidth;
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|     }
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|     xfree(pbits);
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|     FreeScratchGC(pGCtmp);
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| }
 |