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 /***********************************************************************
40 BOOL X11DRV_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags,
41 const RECT *lprect, LPCWSTR wstr, UINT count, const INT *lpDx )
43 X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
44 BOOL restore_region = FALSE;
46 fontObject* pfo = XFONT_GetFontObject( physDev->font );
49 XChar2b *str2b = NULL;
54 dev = GET_NEXT_PHYSDEV( dev, pExtTextOut );
55 return dev->funcs->pExtTextOut( dev, x, y, flags, lprect, wstr, count, lpDx );
58 if (!X11DRV_SetupGCForText( physDev )) return TRUE;
62 if (pfo->lf.lfEscapement && pfo->lpX11Trans)
65 TRACE("hdc=%p df=%04x %d,%d rc %s %s, %d flags=%d lpDx=%p\n",
66 dev->hdc, (UINT16)physDev->font, x, y, wine_dbgstr_rect(lprect),
67 debugstr_wn (wstr, count), count, flags, lpDx);
69 /* Draw the rectangle */
71 if (flags & ETO_OPAQUE)
74 XSetForeground( gdi_display, physDev->gc, physDev->backgroundPixel );
75 XFillRectangle( gdi_display, physDev->drawable, physDev->gc,
76 physDev->dc_rect.left + lprect->left, physDev->dc_rect.top + lprect->top,
77 lprect->right - lprect->left, lprect->bottom - lprect->top );
80 if (!count) goto END; /* Nothing more to do */
83 /* Set the clip region */
85 if (flags & ETO_CLIPPED)
87 HRGN clip_region = CreateRectRgnIndirect( lprect );
88 restore_region = add_extra_clipping_region( physDev, clip_region );
89 DeleteObject( clip_region );
93 /* Draw the text (count > 0 verified) */
94 if (!(str2b = X11DRV_cptable[pfo->fi->cptable].punicode_to_char2b( pfo, wstr, count )))
101 XSetForeground( gdi_display, physDev->gc, physDev->textPixel );
107 X11DRV_cptable[pfo->fi->cptable].pDrawString(
108 pfo, gdi_display, physDev->drawable, physDev->gc,
109 physDev->dc_rect.left + x, physDev->dc_rect.top + y, str2b, count );
115 items = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XTextItem16) );
121 items[0].chars = str2b;
124 items[0].font = None;
125 for(i = 1; i < count; i++)
127 items[i].chars = str2b + i;
128 items[i].delta = (flags & ETO_PDY) ? lpDx[(i - 1) * 2] : lpDx[i - 1];
129 items[i].delta -= X11DRV_cptable[pfo->fi->cptable].pTextWidth( pfo, str2b + i - 1, 1 );
131 items[i].font = None;
133 X11DRV_cptable[pfo->fi->cptable].pDrawText( pfo, gdi_display,
134 physDev->drawable, physDev->gc,
135 physDev->dc_rect.left + x, physDev->dc_rect.top + y, items, count );
136 HeapFree( GetProcessHeap(), 0, items );
141 /* have to render character by character. */
145 for (i=0; i<count; i++)
147 int char_metric_offset = str2b[i].byte2 + (str2b[i].byte1 << 8)
148 - font->min_char_or_byte2;
149 int x_i = IROUND((double) (physDev->dc_rect.left + x) + offset *
150 pfo->lpX11Trans->a / pfo->lpX11Trans->pixelsize );
151 int y_i = IROUND((double) (physDev->dc_rect.top + y) - offset *
152 pfo->lpX11Trans->b / pfo->lpX11Trans->pixelsize );
154 X11DRV_cptable[pfo->fi->cptable].pDrawString(
155 pfo, gdi_display, physDev->drawable, physDev->gc,
156 x_i, y_i, &str2b[i], 1);
159 offset += (flags & ETO_PDY) ? lpDx[i * 2] : lpDx[i];
163 offset += (double) (font->per_char ?
164 font->per_char[char_metric_offset].attributes:
165 font->min_bounds.attributes)
166 * pfo->lpX11Trans->pixelsize / 1000.0;
172 HeapFree( GetProcessHeap(), 0, str2b );
173 if (restore_region) restore_clipping_region( physDev );
178 /***********************************************************************
179 * X11DRV_GetTextExtentExPoint
181 BOOL X11DRV_GetTextExtentExPoint( PHYSDEV dev, LPCWSTR str, INT count,
182 INT maxExt, LPINT lpnFit, LPINT alpDx, LPSIZE size )
184 X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
185 fontObject* pfo = XFONT_GetFontObject( physDev->font );
187 TRACE("%s %d\n", debugstr_wn(str,count), count);
189 XChar2b *p = X11DRV_cptable[pfo->fi->cptable].punicode_to_char2b( pfo, str, count );
190 if (!p) return FALSE;
191 if( !pfo->lpX11Trans ) {
192 int dir, ascent, descent;
194 X11DRV_cptable[pfo->fi->cptable].pTextExtents( pfo, p,
195 count, &dir, &ascent, &descent, &info_width,
196 maxExt, lpnFit, alpDx );
198 size->cx = info_width;
199 size->cy = pfo->fs->ascent + pfo->fs->descent;
203 float x = 0.0, y = 0.0;
204 float scaled_x = 0.0, pixsize = pfo->lpX11Trans->pixelsize;
205 /* FIXME: Deal with *_char_or_byte2 != 0 situations */
206 for(i = 0; i < count; i++) {
207 x += pfo->fs->per_char ?
208 pfo->fs->per_char[p[i].byte2 - pfo->fs->min_char_or_byte2].attributes :
209 pfo->fs->min_bounds.attributes;
210 scaled_x = x * pixsize / 1000.0;
213 if (scaled_x <= maxExt)
216 y = pfo->lpX11Trans->RAW_ASCENT + pfo->lpX11Trans->RAW_DESCENT;
217 TRACE("x = %f y = %f\n", x, y);
218 size->cx = x * pfo->lpX11Trans->pixelsize / 1000.0;
219 size->cy = y * pfo->lpX11Trans->pixelsize / 1000.0;
223 size->cx *= pfo->rescale;
224 size->cy *= pfo->rescale;
225 HeapFree( GetProcessHeap(), 0, p );
229 dev = GET_NEXT_PHYSDEV( dev, pGetTextExtentExPoint );
230 return dev->funcs->pGetTextExtentExPoint( dev, str, count, maxExt, lpnFit, alpDx, size );