| /* |
| * X11 graphics driver text functions |
| * |
| * Copyright 1993,1994 Alexandre Julliard |
| */ |
| |
| #include <stdlib.h> |
| #include <X11/Xlib.h> |
| #include <X11/Xatom.h> |
| #include "windows.h" |
| #include "dc.h" |
| #include "gdi.h" |
| /*#include "callback.h"*/ |
| #include "heap.h" |
| #include "x11font.h" |
| #include "stddebug.h" |
| /* #define DEBUG_TEXT */ |
| #include "debug.h" |
| #include "xmalloc.h" |
| |
| #define SWAP_INT(a,b) { int t = a; a = b; b = t; } |
| |
| |
| extern int CLIPPING_IntersectClipRect( DC * dc, short left, short top, |
| short right, short bottom, UINT16 flags); |
| |
| /*********************************************************************** |
| * X11DRV_ExtTextOut |
| */ |
| BOOL32 |
| X11DRV_ExtTextOut( DC *dc, INT32 x, INT32 y, UINT32 flags, |
| const RECT32 *lprect, LPCSTR str, UINT32 count, |
| const INT32 *lpDx ) |
| { |
| HRGN32 hRgnClip = 0; |
| int dir, ascent, descent, i; |
| fontObject* pfo; |
| XCharStruct info; |
| XFontStruct* font; |
| RECT32 rect; |
| char dfBreakChar, lfUnderline, lfStrikeOut; |
| |
| if (!DC_SetupGCForText( dc )) return TRUE; |
| |
| pfo = XFONT_GetFontObject( dc->u.x.font ); |
| font = pfo->fs; |
| |
| dfBreakChar = (char)pfo->fi->df.dfBreakChar; |
| lfUnderline = (pfo->fo_flags & FO_SYNTH_UNDERLINE) ? 1 : 0; |
| lfStrikeOut = (pfo->fo_flags & FO_SYNTH_STRIKEOUT) ? 1 : 0; |
| |
| dprintf_text(stddeb,"ExtTextOut: hdc=%04x df=%04x %d,%d '%.*s', %d flags=%d\n", |
| dc->hSelf, (UINT16)(dc->u.x.font), x, y, (int)count, str, count, flags); |
| |
| if (lprect != NULL) dprintf_text(stddeb, "\trect=(%d,%d- %d,%d)\n", |
| lprect->left, lprect->top, |
| lprect->right, lprect->bottom ); |
| /* Setup coordinates */ |
| |
| if (dc->w.textAlign & TA_UPDATECP) |
| { |
| x = dc->w.CursPosX; |
| y = dc->w.CursPosY; |
| } |
| |
| if (flags & (ETO_OPAQUE | ETO_CLIPPED)) /* there's a rectangle */ |
| { |
| if (!lprect) /* not always */ |
| { |
| SIZE32 sz; |
| if (flags & ETO_CLIPPED) /* Can't clip with no rectangle */ |
| return FALSE; |
| if (!X11DRV_GetTextExtentPoint( dc, str, count, &sz )) |
| return FALSE; |
| rect.left = XLPTODP( dc, x ); |
| rect.right = XLPTODP( dc, x+sz.cx ); |
| rect.top = YLPTODP( dc, y ); |
| rect.bottom = YLPTODP( dc, y+sz.cy ); |
| } |
| else |
| { |
| rect.left = XLPTODP( dc, lprect->left ); |
| rect.right = XLPTODP( dc, lprect->right ); |
| rect.top = YLPTODP( dc, lprect->top ); |
| rect.bottom = YLPTODP( dc, lprect->bottom ); |
| } |
| if (rect.right < rect.left) SWAP_INT( rect.left, rect.right ); |
| if (rect.bottom < rect.top) SWAP_INT( rect.top, rect.bottom ); |
| } |
| |
| x = XLPTODP( dc, x ); |
| y = YLPTODP( dc, y ); |
| |
| dprintf_text(stddeb,"\treal coord: x=%i, y=%i, rect=(%d,%d-%d,%d)\n", |
| x, y, rect.left, rect.top, rect.right, rect.bottom); |
| |
| /* Draw the rectangle */ |
| |
| if (flags & ETO_OPAQUE) |
| { |
| XSetForeground( display, dc->u.x.gc, dc->w.backgroundPixel ); |
| XFillRectangle( display, dc->u.x.drawable, dc->u.x.gc, |
| dc->w.DCOrgX + rect.left, dc->w.DCOrgY + rect.top, |
| rect.right-rect.left, rect.bottom-rect.top ); |
| } |
| if (!count) return TRUE; /* Nothing more to do */ |
| |
| /* Compute text starting position */ |
| |
| if (lpDx) /* have explicit character cell x offsets in logical coordinates */ |
| { |
| int extra = dc->wndExtX / 2; |
| for (i = info.width = 0; i < count; i++) info.width += lpDx[i]; |
| info.width = (info.width * dc->vportExtX + extra ) / dc->wndExtX; |
| } |
| else |
| { |
| XTextExtents( font, str, count, &dir, &ascent, &descent, &info ); |
| info.width += count*dc->w.charExtra + dc->w.breakExtra*dc->w.breakCount; |
| } |
| |
| switch( dc->w.textAlign & (TA_LEFT | TA_RIGHT | TA_CENTER) ) |
| { |
| case TA_LEFT: |
| if (dc->w.textAlign & TA_UPDATECP) |
| dc->w.CursPosX = XDPTOLP( dc, x + info.width ); |
| break; |
| case TA_RIGHT: |
| x -= info.width; |
| if (dc->w.textAlign & TA_UPDATECP) dc->w.CursPosX = XDPTOLP( dc, x ); |
| break; |
| case TA_CENTER: |
| x -= info.width / 2; |
| break; |
| } |
| |
| switch( dc->w.textAlign & (TA_TOP | TA_BOTTOM | TA_BASELINE) ) |
| { |
| case TA_TOP: |
| y += font->ascent; |
| break; |
| case TA_BOTTOM: |
| y -= font->descent; |
| break; |
| case TA_BASELINE: |
| break; |
| } |
| |
| /* Set the clip region */ |
| |
| if (flags & ETO_CLIPPED) |
| { |
| hRgnClip = dc->w.hClipRgn; |
| CLIPPING_IntersectClipRect( dc, rect.left, rect.top, rect.right, |
| rect.bottom, CLIP_INTERSECT|CLIP_KEEPRGN ); |
| } |
| |
| /* Draw the text background if necessary */ |
| |
| if (dc->w.backgroundMode != TRANSPARENT) |
| { |
| /* If rectangle is opaque and clipped, do nothing */ |
| if (!(flags & ETO_CLIPPED) || !(flags & ETO_OPAQUE)) |
| { |
| /* Only draw if rectangle is not opaque or if some */ |
| /* text is outside the rectangle */ |
| if (!(flags & ETO_OPAQUE) || |
| (x < rect.left) || |
| (x + info.width >= rect.right) || |
| (y-font->ascent < rect.top) || |
| (y+font->descent >= rect.bottom)) |
| { |
| XSetForeground( display, dc->u.x.gc, dc->w.backgroundPixel ); |
| XFillRectangle( display, dc->u.x.drawable, dc->u.x.gc, |
| dc->w.DCOrgX + x, |
| dc->w.DCOrgY + y - font->ascent, |
| info.width, |
| font->ascent + font->descent ); |
| } |
| } |
| } |
| |
| /* Draw the text (count > 0 verified) */ |
| |
| XSetForeground( display, dc->u.x.gc, dc->w.textPixel ); |
| if (!dc->w.charExtra && !dc->w.breakExtra && !lpDx) |
| { |
| XDrawString( display, dc->u.x.drawable, dc->u.x.gc, |
| dc->w.DCOrgX + x, dc->w.DCOrgY + y, str, count ); |
| } |
| else /* Now the fun begins... */ |
| { |
| XTextItem *items, *pitem; |
| int delta; |
| |
| /* allocate max items */ |
| |
| pitem = items = xmalloc( count * sizeof(XTextItem) ); |
| delta = i = 0; |
| if( lpDx ) /* explicit character widths */ |
| { |
| int extra = dc->wndExtX / 2; |
| |
| while (i < count) |
| { |
| /* initialize text item with accumulated delta */ |
| |
| pitem->chars = (char *)str + i; |
| pitem->delta = delta; |
| pitem->nchars = 0; |
| pitem->font = None; |
| delta = 0; |
| |
| /* add characters to the same XTextItem until new delta |
| * becomes non-zero */ |
| |
| do |
| { |
| delta += (lpDx[i] * dc->vportExtX + extra) / dc->wndExtX |
| - XTextWidth( font, str + i, 1); |
| pitem->nchars++; |
| } while ((++i < count) && !delta); |
| pitem++; |
| } |
| } |
| else /* charExtra or breakExtra */ |
| { |
| while (i < count) |
| { |
| pitem->chars = (char *)str + i; |
| pitem->delta = delta; |
| pitem->nchars = 0; |
| pitem->font = None; |
| delta = 0; |
| |
| do |
| { |
| delta += dc->w.charExtra; |
| if (str[i] == (char)dfBreakChar) delta += dc->w.breakExtra; |
| pitem->nchars++; |
| } while ((++i < count) && !delta); |
| pitem++; |
| } |
| } |
| |
| XDrawText( display, dc->u.x.drawable, dc->u.x.gc, |
| dc->w.DCOrgX + x, dc->w.DCOrgY + y, items, pitem - items ); |
| free( items ); |
| } |
| |
| /* Draw underline and strike-out if needed */ |
| |
| if (lfUnderline) |
| { |
| long linePos, lineWidth; |
| |
| if (!XGetFontProperty( font, XA_UNDERLINE_POSITION, &linePos )) |
| linePos = font->descent-1; |
| if (!XGetFontProperty( font, XA_UNDERLINE_THICKNESS, &lineWidth )) |
| lineWidth = 0; |
| else if (lineWidth == 1) lineWidth = 0; |
| XSetLineAttributes( display, dc->u.x.gc, lineWidth, |
| LineSolid, CapRound, JoinBevel ); |
| XDrawLine( display, dc->u.x.drawable, dc->u.x.gc, |
| dc->w.DCOrgX + x, dc->w.DCOrgY + y + linePos, |
| dc->w.DCOrgX + x + info.width, dc->w.DCOrgY + y + linePos ); |
| } |
| if (lfStrikeOut) |
| { |
| long lineAscent, lineDescent; |
| if (!XGetFontProperty( font, XA_STRIKEOUT_ASCENT, &lineAscent )) |
| lineAscent = font->ascent / 3; |
| if (!XGetFontProperty( font, XA_STRIKEOUT_DESCENT, &lineDescent )) |
| lineDescent = -lineAscent; |
| XSetLineAttributes( display, dc->u.x.gc, lineAscent + lineDescent, |
| LineSolid, CapRound, JoinBevel ); |
| XDrawLine( display, dc->u.x.drawable, dc->u.x.gc, |
| dc->w.DCOrgX + x, dc->w.DCOrgY + y - lineAscent, |
| dc->w.DCOrgX + x + info.width, dc->w.DCOrgY + y - lineAscent ); |
| } |
| |
| if (flags & ETO_CLIPPED) SelectClipRgn32( dc->hSelf, hRgnClip ); |
| return TRUE; |
| } |
