2 * X11 graphics driver text functions
4 * Copyright 1993,1994 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library 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 GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
30 #include "wine/debug.h"
32 WINE_DEFAULT_DEBUG_CHANNEL(text);
34 #define IROUND(x) (int)((x)>0? (x)+0.5 : (x) - 0.5)
37 /***********************************************************************
41 X11DRV_ExtTextOut( X11DRV_PDEVICE *physDev, INT x, INT y, UINT flags,
42 const RECT *lprect, LPCWSTR wstr, UINT count,
49 XChar2b *str2b = NULL;
50 BOOL dibUpdateFlag = FALSE;
52 HRGN saved_region = 0;
54 if(physDev->has_gdi_font)
55 return X11DRV_XRender_ExtTextOut(physDev, x, y, flags, lprect, wstr, count, lpDx);
57 if (!X11DRV_SetupGCForText( physDev )) return TRUE;
59 pfo = XFONT_GetFontObject( physDev->font );
62 if (pfo->lf.lfEscapement && pfo->lpX11Trans)
65 TRACE("hdc=%p df=%04x %d,%d %s, %d flags=%d lpDx=%p\n",
66 physDev->hdc, (UINT16)(physDev->font), x, y,
67 debugstr_wn (wstr, count), count, flags, lpDx);
69 if (lprect != NULL) TRACE("\trect=(%d,%d - %d,%d)\n",
70 lprect->left, lprect->top,
71 lprect->right, lprect->bottom );
73 /* Draw the rectangle */
75 if (flags & ETO_OPAQUE)
77 X11DRV_LockDIBSection( physDev, DIB_Status_GdiMod );
80 XSetForeground( gdi_display, physDev->gc, physDev->backgroundPixel );
81 XFillRectangle( gdi_display, physDev->drawable, physDev->gc,
82 physDev->dc_rect.left + lprect->left, physDev->dc_rect.top + lprect->top,
83 lprect->right - lprect->left, lprect->bottom - lprect->top );
86 if (!count) goto END; /* Nothing more to do */
89 /* Set the clip region */
91 if (flags & ETO_CLIPPED)
95 clip_region = CreateRectRgnIndirect( lprect );
96 /* make a copy of the current device region */
97 saved_region = CreateRectRgn( 0, 0, 0, 0 );
98 CombineRgn( saved_region, physDev->region, 0, RGN_COPY );
99 X11DRV_SetDeviceClipping( physDev, saved_region, clip_region );
100 DeleteObject( clip_region );
103 /* Draw the text background if necessary */
107 X11DRV_LockDIBSection( physDev, DIB_Status_GdiMod );
108 dibUpdateFlag = TRUE;
112 /* Draw the text (count > 0 verified) */
113 if (!(str2b = X11DRV_cptable[pfo->fi->cptable].punicode_to_char2b( pfo, wstr, count )))
117 XSetForeground( gdi_display, physDev->gc, physDev->textPixel );
123 X11DRV_cptable[pfo->fi->cptable].pDrawString(
124 pfo, gdi_display, physDev->drawable, physDev->gc,
125 physDev->dc_rect.left + x, physDev->dc_rect.top + y, str2b, count );
129 XTextItem16 *items, *pitem;
131 pitem = items = HeapAlloc( GetProcessHeap(), 0,
132 count * sizeof(XTextItem16) );
133 if(items == NULL) goto FAIL;
135 for(i = 0; i < count; i++)
137 pitem->chars = str2b + i;
138 pitem->delta = lpDx[i];
144 X11DRV_cptable[pfo->fi->cptable].pDrawText( pfo, gdi_display,
145 physDev->drawable, physDev->gc,
146 physDev->dc_rect.left + x, physDev->dc_rect.top + y, items, pitem - items );
147 HeapFree( GetProcessHeap(), 0, items );
152 /* have to render character by character. */
156 for (i=0; i<count; i++)
158 int char_metric_offset = str2b[i].byte2 + (str2b[i].byte1 << 8)
159 - font->min_char_or_byte2;
160 int x_i = IROUND((double) (physDev->dc_rect.left + x) + offset *
161 pfo->lpX11Trans->a / pfo->lpX11Trans->pixelsize );
162 int y_i = IROUND((double) (physDev->dc_rect.top + y) - offset *
163 pfo->lpX11Trans->b / pfo->lpX11Trans->pixelsize );
165 X11DRV_cptable[pfo->fi->cptable].pDrawString(
166 pfo, gdi_display, physDev->drawable, physDev->gc,
167 x_i, y_i, &str2b[i], 1);
174 offset += (double) (font->per_char ?
175 font->per_char[char_metric_offset].attributes:
176 font->min_bounds.attributes)
177 * pfo->lpX11Trans->pixelsize / 1000.0;
181 HeapFree( GetProcessHeap(), 0, str2b );
183 if (flags & ETO_CLIPPED)
185 /* restore the device region */
186 X11DRV_SetDeviceClipping( physDev, saved_region, 0 );
187 DeleteObject( saved_region );
192 HeapFree( GetProcessHeap(), 0, str2b );
196 if (dibUpdateFlag) X11DRV_UnlockDIBSection( physDev, TRUE );
201 /***********************************************************************
202 * X11DRV_GetTextExtentExPoint
204 BOOL CDECL X11DRV_GetTextExtentExPoint( X11DRV_PDEVICE *physDev, LPCWSTR str, INT count,
205 INT maxExt, LPINT lpnFit, LPINT alpDx, LPSIZE size )
207 fontObject* pfo = XFONT_GetFontObject( physDev->font );
209 TRACE("%s %d\n", debugstr_wn(str,count), count);
211 XChar2b *p = X11DRV_cptable[pfo->fi->cptable].punicode_to_char2b( pfo, str, count );
212 if (!p) return FALSE;
213 if( !pfo->lpX11Trans ) {
214 int dir, ascent, descent;
216 X11DRV_cptable[pfo->fi->cptable].pTextExtents( pfo, p,
217 count, &dir, &ascent, &descent, &info_width,
218 maxExt, lpnFit, alpDx );
220 size->cx = info_width;
221 size->cy = pfo->fs->ascent + pfo->fs->descent;
225 float x = 0.0, y = 0.0;
226 float scaled_x = 0.0, pixsize = pfo->lpX11Trans->pixelsize;
227 /* FIXME: Deal with *_char_or_byte2 != 0 situations */
228 for(i = 0; i < count; i++) {
229 x += pfo->fs->per_char ?
230 pfo->fs->per_char[p[i].byte2 - pfo->fs->min_char_or_byte2].attributes :
231 pfo->fs->min_bounds.attributes;
232 scaled_x = x * pixsize / 1000.0;
235 if (scaled_x <= maxExt)
238 y = pfo->lpX11Trans->RAW_ASCENT + pfo->lpX11Trans->RAW_DESCENT;
239 TRACE("x = %f y = %f\n", x, y);
240 size->cx = x * pfo->lpX11Trans->pixelsize / 1000.0;
241 size->cy = y * pfo->lpX11Trans->pixelsize / 1000.0;
245 size->cx *= pfo->rescale;
246 size->cy *= pfo->rescale;
247 HeapFree( GetProcessHeap(), 0, p );