| /* |
| * 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 CDECL |
| 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 rc %s %s, %d flags=%d lpDx=%p\n", |
| physDev->hdc, (UINT16)physDev->font, x, y, wine_dbgstr_rect(lprect), |
| debugstr_wn (wstr, count), count, flags, lpDx); |
| |
| /* Draw the rectangle */ |
| |
| if (flags & ETO_OPAQUE) |
| { |
| X11DRV_LockDIBSection( physDev, DIB_Status_GdiMod ); |
| dibUpdateFlag = TRUE; |
| wine_tsx11_lock(); |
| XSetForeground( gdi_display, physDev->gc, physDev->backgroundPixel ); |
| 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; |
| |
| 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 ); |
| 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->dc_rect.left + x, physDev->dc_rect.top + y, str2b, count ); |
| } |
| else |
| { |
| XTextItem16 *items; |
| |
| items = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XTextItem16) ); |
| if(items == NULL) goto FAIL; |
| |
| 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; |
| } |
| } |
| } |
| 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 CDECL 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; |
| } |
