mirror of
https://github.com/reactos/wine.git
synced 2024-11-29 06:30:37 +00:00
254 lines
8.1 KiB
C
254 lines
8.1 KiB
C
/*
|
|
* 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 "winnls.h"
|
|
#include "x11font.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(text);
|
|
|
|
#define SWAP_INT(a,b) { int t = a; a = b; b = t; }
|
|
#define IROUND(x) (int)((x)>0? (x)+0.5 : (x) - 0.5)
|
|
|
|
|
|
/***********************************************************************
|
|
* X11DRV_ExtTextOut
|
|
*/
|
|
BOOL
|
|
X11DRV_ExtTextOut( X11DRV_PDEVICE *physDev, INT x, INT y, UINT flags,
|
|
const RECT *lprect, LPCWSTR wstr, UINT count,
|
|
const INT *lpDx )
|
|
{
|
|
unsigned int i;
|
|
fontObject* pfo;
|
|
XFontStruct* font;
|
|
BOOL rotated = FALSE;
|
|
XChar2b *str2b = NULL;
|
|
BOOL dibUpdateFlag = FALSE;
|
|
BOOL result = TRUE;
|
|
HRGN saved_region = 0;
|
|
|
|
if(physDev->has_gdi_font)
|
|
return X11DRV_XRender_ExtTextOut(physDev, x, y, flags, lprect, wstr, count, lpDx);
|
|
|
|
if (!X11DRV_SetupGCForText( physDev )) return TRUE;
|
|
|
|
pfo = XFONT_GetFontObject( physDev->font );
|
|
font = pfo->fs;
|
|
|
|
if (pfo->lf.lfEscapement && pfo->lpX11Trans)
|
|
rotated = TRUE;
|
|
|
|
TRACE("hdc=%p df=%04x %d,%d %s, %d flags=%d lpDx=%p\n",
|
|
physDev->hdc, (UINT16)(physDev->font), x, y,
|
|
debugstr_wn (wstr, count), count, flags, lpDx);
|
|
|
|
if (lprect != NULL) TRACE("\trect=(%ld,%ld - %ld,%ld)\n",
|
|
lprect->left, lprect->top,
|
|
lprect->right, lprect->bottom );
|
|
|
|
/* Draw the rectangle */
|
|
|
|
if (flags & ETO_OPAQUE)
|
|
{
|
|
X11DRV_LockDIBSection( physDev, DIB_Status_GdiMod, FALSE );
|
|
dibUpdateFlag = TRUE;
|
|
wine_tsx11_lock();
|
|
XSetForeground( gdi_display, physDev->gc, physDev->backgroundPixel );
|
|
XFillRectangle( gdi_display, physDev->drawable, physDev->gc,
|
|
physDev->org.x + lprect->left, physDev->org.y + 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;
|
|
|
|
clip_region = CreateRectRgnIndirect( lprect );
|
|
/* make a copy of the current device region */
|
|
saved_region = CreateRectRgn( 0, 0, 0, 0 );
|
|
CombineRgn( saved_region, physDev->region, 0, RGN_COPY );
|
|
X11DRV_SetDeviceClipping( physDev, saved_region, clip_region );
|
|
DeleteObject( clip_region );
|
|
}
|
|
|
|
/* Draw the text background if necessary */
|
|
|
|
if (!dibUpdateFlag)
|
|
{
|
|
X11DRV_LockDIBSection( physDev, DIB_Status_GdiMod, FALSE );
|
|
dibUpdateFlag = TRUE;
|
|
}
|
|
|
|
|
|
/* Draw the text (count > 0 verified) */
|
|
if (!(str2b = X11DRV_cptable[pfo->fi->cptable].punicode_to_char2b( pfo, wstr, count )))
|
|
goto FAIL;
|
|
|
|
wine_tsx11_lock();
|
|
XSetForeground( gdi_display, physDev->gc, physDev->textPixel );
|
|
wine_tsx11_unlock();
|
|
if(!rotated)
|
|
{
|
|
if (!lpDx)
|
|
{
|
|
X11DRV_cptable[pfo->fi->cptable].pDrawString(
|
|
pfo, gdi_display, physDev->drawable, physDev->gc,
|
|
physDev->org.x + x, physDev->org.y + y, str2b, count );
|
|
}
|
|
else
|
|
{
|
|
XTextItem16 *items, *pitem;
|
|
|
|
pitem = items = HeapAlloc( GetProcessHeap(), 0,
|
|
count * sizeof(XTextItem16) );
|
|
if(items == NULL) goto FAIL;
|
|
|
|
for(i = 0; i < count; i++)
|
|
{
|
|
pitem->chars = str2b + i;
|
|
pitem->delta = lpDx[i];
|
|
pitem->nchars = 1;
|
|
pitem->font = None;
|
|
pitem++;
|
|
}
|
|
|
|
X11DRV_cptable[pfo->fi->cptable].pDrawText( pfo, gdi_display,
|
|
physDev->drawable, physDev->gc,
|
|
physDev->org.x + x, physDev->org.y + y, items, pitem - items );
|
|
HeapFree( GetProcessHeap(), 0, items );
|
|
}
|
|
}
|
|
else /* rotated */
|
|
{
|
|
/* have to render character by character. */
|
|
double offset = 0.0;
|
|
int 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->org.x + x) + offset *
|
|
pfo->lpX11Trans->a / pfo->lpX11Trans->pixelsize );
|
|
int y_i = IROUND((double) (physDev->org.y + 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 += lpDx[i];
|
|
}
|
|
else
|
|
{
|
|
offset += (double) (font->per_char ?
|
|
font->per_char[char_metric_offset].attributes:
|
|
font->min_bounds.attributes)
|
|
* pfo->lpX11Trans->pixelsize / 1000.0;
|
|
}
|
|
}
|
|
}
|
|
HeapFree( GetProcessHeap(), 0, str2b );
|
|
|
|
if (flags & ETO_CLIPPED)
|
|
{
|
|
/* restore the device region */
|
|
X11DRV_SetDeviceClipping( physDev, saved_region, 0 );
|
|
DeleteObject( saved_region );
|
|
}
|
|
goto END;
|
|
|
|
FAIL:
|
|
HeapFree( GetProcessHeap(), 0, str2b );
|
|
result = FALSE;
|
|
|
|
END:
|
|
if (dibUpdateFlag) X11DRV_UnlockDIBSection( physDev, TRUE );
|
|
return result;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* X11DRV_GetTextExtentExPoint
|
|
*/
|
|
BOOL X11DRV_GetTextExtentExPoint( X11DRV_PDEVICE *physDev, LPCWSTR str, INT count,
|
|
INT maxExt, LPINT lpnFit, LPINT alpDx, LPSIZE size )
|
|
{
|
|
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;
|
|
}
|
|
return FALSE;
|
|
}
|