| /* | 
 |  * X11 graphics driver text functions | 
 |  * | 
 |  * Copyright 1993,1994 Alexandre Julliard | 
 |  * | 
 |  * This library is free software; you can redistribute it and/or | 
 |  * modify it under the terms of the GNU Lesser General Public | 
 |  * License as published by the Free Software Foundation; either | 
 |  * version 2.1 of the License, or (at your option) any later version. | 
 |  * | 
 |  * This library is distributed in the hope that it will be useful, | 
 |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
 |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
 |  * Lesser General Public License for more details. | 
 |  * | 
 |  * You should have received a copy of the GNU Lesser General Public | 
 |  * License along with this library; if not, write to the Free Software | 
 |  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA | 
 |  */ | 
 |  | 
 | #include "config.h" | 
 |  | 
 | #include <stdarg.h> | 
 | #include <stdlib.h> | 
 | #include <math.h> | 
 |  | 
 | #include "windef.h" | 
 | #include "winbase.h" | 
 | #include "x11font.h" | 
 | #include "wine/debug.h" | 
 |  | 
 | WINE_DEFAULT_DEBUG_CHANNEL(text); | 
 |  | 
 | #define IROUND(x) (int)((x)>0? (x)+0.5 : (x) - 0.5) | 
 |  | 
 |  | 
 | /*********************************************************************** | 
 |  *           X11DRV_ExtTextOut | 
 |  */ | 
 | BOOL X11DRV_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags, | 
 |                         const RECT *lprect, LPCWSTR wstr, UINT count, const INT *lpDx ) | 
 | { | 
 |     X11DRV_PDEVICE *physDev = get_x11drv_dev( dev ); | 
 |     BOOL restore_region = FALSE; | 
 |     unsigned int i; | 
 |     int pixel; | 
 |     fontObject*		pfo = XFONT_GetFontObject( physDev->font ); | 
 |     XFontStruct*	font; | 
 |     BOOL		rotated = FALSE; | 
 |     XChar2b		*str2b = NULL; | 
 |     BOOL                result = TRUE; | 
 |  | 
 |     if (!pfo) | 
 |     { | 
 |         dev = GET_NEXT_PHYSDEV( dev, pExtTextOut ); | 
 |         return dev->funcs->pExtTextOut( dev, x, y, flags, lprect, wstr, count, lpDx ); | 
 |     } | 
 |  | 
 |     if (!X11DRV_SetupGCForText( physDev )) return TRUE; | 
 |  | 
 |     font = pfo->fs; | 
 |  | 
 |     if (pfo->lf.lfEscapement && pfo->lpX11Trans) | 
 |         rotated = TRUE; | 
 |  | 
 |     TRACE("hdc=%p df=%04x %d,%d rc %s %s, %d  flags=%d lpDx=%p\n", | 
 |           dev->hdc, (UINT16)physDev->font, x, y, wine_dbgstr_rect(lprect), | 
 | 	  debugstr_wn (wstr, count), count, flags, lpDx); | 
 |  | 
 |       /* Draw the rectangle */ | 
 |  | 
 |     if (flags & ETO_OPAQUE) | 
 |     { | 
 | 	pixel = X11DRV_PALETTE_ToPhysical( physDev, GetBkColor(physDev->dev.hdc) ); | 
 |         wine_tsx11_lock(); | 
 |         XSetForeground( gdi_display, physDev->gc, pixel ); | 
 |         XFillRectangle( gdi_display, physDev->drawable, physDev->gc, | 
 |                         physDev->dc_rect.left + lprect->left, physDev->dc_rect.top + lprect->top, | 
 |                         lprect->right - lprect->left, lprect->bottom - lprect->top ); | 
 |         wine_tsx11_unlock(); | 
 |     } | 
 |     if (!count) goto END;  /* Nothing more to do */ | 
 |  | 
 |  | 
 |       /* Set the clip region */ | 
 |  | 
 |     if (flags & ETO_CLIPPED) | 
 |     { | 
 |         HRGN clip_region = CreateRectRgnIndirect( lprect ); | 
 |         restore_region = add_extra_clipping_region( physDev, clip_region ); | 
 |         DeleteObject( clip_region ); | 
 |     } | 
 |  | 
 |  | 
 |     /* Draw the text (count > 0 verified) */ | 
 |     if (!(str2b = X11DRV_cptable[pfo->fi->cptable].punicode_to_char2b( pfo, wstr, count ))) | 
 |     { | 
 |         result = FALSE; | 
 |         goto END; | 
 |     } | 
 |  | 
 |     pixel = X11DRV_PALETTE_ToPhysical( physDev, GetTextColor(physDev->dev.hdc) ); | 
 |     wine_tsx11_lock(); | 
 |     XSetForeground( gdi_display, physDev->gc, pixel ); | 
 |     wine_tsx11_unlock(); | 
 |     if(!rotated) | 
 |     { | 
 |         if (!lpDx) | 
 |         { | 
 |             X11DRV_cptable[pfo->fi->cptable].pDrawString( | 
 |                            pfo, gdi_display, physDev->drawable, physDev->gc, | 
 |                            physDev->dc_rect.left + x, physDev->dc_rect.top + y, str2b, count ); | 
 |         } | 
 |         else | 
 |         { | 
 |             XTextItem16 *items; | 
 |  | 
 |             items = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XTextItem16) ); | 
 |             if(items == NULL) | 
 |             { | 
 |                 result = FALSE; | 
 |                 goto END; | 
 |             } | 
 |             items[0].chars = str2b; | 
 |             items[0].delta = 0; | 
 |             items[0].nchars = 1; | 
 |             items[0].font = None; | 
 |             for(i = 1; i < count; i++) | 
 |             { | 
 |                 items[i].chars  = str2b + i; | 
 |                 items[i].delta  = (flags & ETO_PDY) ? lpDx[(i - 1) * 2] : lpDx[i - 1]; | 
 |                 items[i].delta -= X11DRV_cptable[pfo->fi->cptable].pTextWidth( pfo, str2b + i - 1, 1 ); | 
 |                 items[i].nchars = 1; | 
 |                 items[i].font   = None; | 
 |             } | 
 |             X11DRV_cptable[pfo->fi->cptable].pDrawText( pfo, gdi_display, | 
 |                                   physDev->drawable, physDev->gc, | 
 |                                   physDev->dc_rect.left + x, physDev->dc_rect.top + y, items, count ); | 
 |             HeapFree( GetProcessHeap(), 0, items ); | 
 |         } | 
 |     } | 
 |     else /* rotated */ | 
 |     { | 
 |         /* have to render character by character. */ | 
 |         double offset = 0.0; | 
 |         UINT i; | 
 |  | 
 |         for (i=0; i<count; i++) | 
 |         { | 
 |             int char_metric_offset = str2b[i].byte2 + (str2b[i].byte1 << 8) | 
 |                 - font->min_char_or_byte2; | 
 |             int x_i = IROUND((double) (physDev->dc_rect.left + x) + offset * | 
 |                              pfo->lpX11Trans->a / pfo->lpX11Trans->pixelsize ); | 
 |             int y_i = IROUND((double) (physDev->dc_rect.top + y) - offset * | 
 |                              pfo->lpX11Trans->b / pfo->lpX11Trans->pixelsize ); | 
 |  | 
 |             X11DRV_cptable[pfo->fi->cptable].pDrawString( | 
 |                                     pfo, gdi_display, physDev->drawable, physDev->gc, | 
 |                                     x_i, y_i, &str2b[i], 1); | 
 |             if (lpDx) | 
 |             { | 
 |                 offset += (flags & ETO_PDY) ? lpDx[i * 2] : lpDx[i]; | 
 |             } | 
 |             else | 
 |             { | 
 |                 offset += (double) (font->per_char ? | 
 |                                     font->per_char[char_metric_offset].attributes: | 
 |                                     font->min_bounds.attributes) | 
 |                     * pfo->lpX11Trans->pixelsize / 1000.0; | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 | END: | 
 |     HeapFree( GetProcessHeap(), 0, str2b ); | 
 |     if (restore_region) restore_clipping_region( physDev ); | 
 |     return result; | 
 | } | 
 |  | 
 |  | 
 | /*********************************************************************** | 
 |  *           X11DRV_GetTextExtentExPoint | 
 |  */ | 
 | BOOL X11DRV_GetTextExtentExPoint( PHYSDEV dev, LPCWSTR str, INT count, | 
 |                                   INT maxExt, LPINT lpnFit, LPINT alpDx, LPSIZE size ) | 
 | { | 
 |     X11DRV_PDEVICE *physDev = get_x11drv_dev( dev ); | 
 |     fontObject* pfo = XFONT_GetFontObject( physDev->font ); | 
 |  | 
 |     TRACE("%s %d\n", debugstr_wn(str,count), count); | 
 |     if( pfo ) { | 
 | 	XChar2b *p = X11DRV_cptable[pfo->fi->cptable].punicode_to_char2b( pfo, str, count ); | 
 | 	if (!p) return FALSE; | 
 |         if( !pfo->lpX11Trans ) { | 
 | 	    int dir, ascent, descent; | 
 | 	    int info_width; | 
 | 	    X11DRV_cptable[pfo->fi->cptable].pTextExtents( pfo, p, | 
 | 				count, &dir, &ascent, &descent, &info_width, | 
 | 				maxExt, lpnFit, alpDx ); | 
 |  | 
 |           size->cx = info_width; | 
 |           size->cy = pfo->fs->ascent + pfo->fs->descent; | 
 | 	} else { | 
 | 	    INT i; | 
 | 	    INT nfit = 0; | 
 | 	    float x = 0.0, y = 0.0; | 
 | 	    float scaled_x = 0.0, pixsize = pfo->lpX11Trans->pixelsize; | 
 | 	    /* FIXME: Deal with *_char_or_byte2 != 0 situations */ | 
 | 	    for(i = 0; i < count; i++) { | 
 | 	        x += pfo->fs->per_char ? | 
 | 	   pfo->fs->per_char[p[i].byte2 - pfo->fs->min_char_or_byte2].attributes : | 
 | 	   pfo->fs->min_bounds.attributes; | 
 | 	        scaled_x = x * pixsize / 1000.0; | 
 | 	        if (alpDx) | 
 | 	            alpDx[i] = scaled_x; | 
 | 	        if (scaled_x <= maxExt) | 
 | 	            ++nfit; | 
 | 	    } | 
 | 	    y = pfo->lpX11Trans->RAW_ASCENT + pfo->lpX11Trans->RAW_DESCENT; | 
 | 	    TRACE("x = %f y = %f\n", x, y); | 
 | 	    size->cx = x * pfo->lpX11Trans->pixelsize / 1000.0; | 
 | 	    size->cy = y * pfo->lpX11Trans->pixelsize / 1000.0; | 
 | 	    if (lpnFit) | 
 | 	        *lpnFit = nfit; | 
 | 	} | 
 | 	size->cx *= pfo->rescale; | 
 | 	size->cy *= pfo->rescale; | 
 | 	HeapFree( GetProcessHeap(), 0, p ); | 
 | 	return TRUE; | 
 |     } | 
 |  | 
 |     dev = GET_NEXT_PHYSDEV( dev, pGetTextExtentExPoint ); | 
 |     return dev->funcs->pGetTextExtentExPoint( dev, str, count, maxExt, lpnFit, alpDx, size ); | 
 | } |