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 CDECL 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 );
48 XChar2b *str2b = NULL;
49 BOOL dibUpdateFlag = FALSE;
51 HRGN saved_region = 0;
53 if(physDev->has_gdi_font)
54 return X11DRV_XRender_ExtTextOut(physDev, x, y, flags, lprect, wstr, count, lpDx);
56 if (!X11DRV_SetupGCForText( physDev )) return TRUE;
58 pfo = XFONT_GetFontObject( physDev->font );
61 if (pfo->lf.lfEscapement && pfo->lpX11Trans)
64 TRACE("hdc=%p df=%04x %d,%d rc %s %s, %d flags=%d lpDx=%p\n",
65 dev->hdc, (UINT16)physDev->font, x, y, wine_dbgstr_rect(lprect),
66 debugstr_wn (wstr, count), count, flags, lpDx);
68 /* Draw the rectangle */
70 if (flags & ETO_OPAQUE)
72 X11DRV_LockDIBSection( physDev, DIB_Status_GdiMod );
75 XSetForeground( gdi_display, physDev->gc, physDev->backgroundPixel );
76 XFillRectangle( gdi_display, physDev->drawable, physDev->gc,
77 physDev->dc_rect.left + lprect->left, physDev->dc_rect.top + lprect->top,
78 lprect->right - lprect->left, lprect->bottom - lprect->top );
81 if (!count) goto END; /* Nothing more to do */
84 /* Set the clip region */
86 if (flags & ETO_CLIPPED)
90 clip_region = CreateRectRgnIndirect( lprect );
91 /* make a copy of the current device region */
92 saved_region = CreateRectRgn( 0, 0, 0, 0 );
93 CombineRgn( saved_region, physDev->region, 0, RGN_COPY );
94 X11DRV_SetDeviceClipping( dev, saved_region, clip_region );
95 DeleteObject( clip_region );
98 /* Draw the text background if necessary */
102 X11DRV_LockDIBSection( physDev, DIB_Status_GdiMod );
103 dibUpdateFlag = TRUE;
107 /* Draw the text (count > 0 verified) */
108 if (!(str2b = X11DRV_cptable[pfo->fi->cptable].punicode_to_char2b( pfo, wstr, count )))
112 XSetForeground( gdi_display, physDev->gc, physDev->textPixel );
118 X11DRV_cptable[pfo->fi->cptable].pDrawString(
119 pfo, gdi_display, physDev->drawable, physDev->gc,
120 physDev->dc_rect.left + x, physDev->dc_rect.top + y, str2b, count );
126 items = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XTextItem16) );
127 if(items == NULL) goto FAIL;
129 items[0].chars = str2b;
132 items[0].font = None;
133 for(i = 1; i < count; i++)
135 items[i].chars = str2b + i;
136 items[i].delta = (flags & ETO_PDY) ? lpDx[(i - 1) * 2] : lpDx[i - 1];
137 items[i].delta -= X11DRV_cptable[pfo->fi->cptable].pTextWidth( pfo, str2b + i - 1, 1 );
139 items[i].font = None;
141 X11DRV_cptable[pfo->fi->cptable].pDrawText( pfo, gdi_display,
142 physDev->drawable, physDev->gc,
143 physDev->dc_rect.left + x, physDev->dc_rect.top + y, items, count );
144 HeapFree( GetProcessHeap(), 0, items );
149 /* have to render character by character. */
153 for (i=0; i<count; i++)
155 int char_metric_offset = str2b[i].byte2 + (str2b[i].byte1 << 8)
156 - font->min_char_or_byte2;
157 int x_i = IROUND((double) (physDev->dc_rect.left + x) + offset *
158 pfo->lpX11Trans->a / pfo->lpX11Trans->pixelsize );
159 int y_i = IROUND((double) (physDev->dc_rect.top + y) - offset *
160 pfo->lpX11Trans->b / pfo->lpX11Trans->pixelsize );
162 X11DRV_cptable[pfo->fi->cptable].pDrawString(
163 pfo, gdi_display, physDev->drawable, physDev->gc,
164 x_i, y_i, &str2b[i], 1);
167 offset += (flags & ETO_PDY) ? lpDx[i * 2] : lpDx[i];
171 offset += (double) (font->per_char ?
172 font->per_char[char_metric_offset].attributes:
173 font->min_bounds.attributes)
174 * pfo->lpX11Trans->pixelsize / 1000.0;
178 HeapFree( GetProcessHeap(), 0, str2b );
180 if (flags & ETO_CLIPPED)
182 /* restore the device region */
183 X11DRV_SetDeviceClipping( dev, saved_region, 0 );
184 DeleteObject( saved_region );
189 HeapFree( GetProcessHeap(), 0, str2b );
193 if (dibUpdateFlag) X11DRV_UnlockDIBSection( physDev, TRUE );
198 /***********************************************************************
199 * X11DRV_GetTextExtentExPoint
201 BOOL CDECL X11DRV_GetTextExtentExPoint( PHYSDEV dev, LPCWSTR str, INT count,
202 INT maxExt, LPINT lpnFit, LPINT alpDx, LPSIZE size )
204 X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
205 fontObject* pfo = XFONT_GetFontObject( physDev->font );
207 TRACE("%s %d\n", debugstr_wn(str,count), count);
209 XChar2b *p = X11DRV_cptable[pfo->fi->cptable].punicode_to_char2b( pfo, str, count );
210 if (!p) return FALSE;
211 if( !pfo->lpX11Trans ) {
212 int dir, ascent, descent;
214 X11DRV_cptable[pfo->fi->cptable].pTextExtents( pfo, p,
215 count, &dir, &ascent, &descent, &info_width,
216 maxExt, lpnFit, alpDx );
218 size->cx = info_width;
219 size->cy = pfo->fs->ascent + pfo->fs->descent;
223 float x = 0.0, y = 0.0;
224 float scaled_x = 0.0, pixsize = pfo->lpX11Trans->pixelsize;
225 /* FIXME: Deal with *_char_or_byte2 != 0 situations */
226 for(i = 0; i < count; i++) {
227 x += pfo->fs->per_char ?
228 pfo->fs->per_char[p[i].byte2 - pfo->fs->min_char_or_byte2].attributes :
229 pfo->fs->min_bounds.attributes;
230 scaled_x = x * pixsize / 1000.0;
233 if (scaled_x <= maxExt)
236 y = pfo->lpX11Trans->RAW_ASCENT + pfo->lpX11Trans->RAW_DESCENT;
237 TRACE("x = %f y = %f\n", x, y);
238 size->cx = x * pfo->lpX11Trans->pixelsize / 1000.0;
239 size->cy = y * pfo->lpX11Trans->pixelsize / 1000.0;
243 size->cx *= pfo->rescale;
244 size->cy *= pfo->rescale;
245 HeapFree( GetProcessHeap(), 0, p );