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wine/graphics/x11drv/graphics.c
Huw D M Davies e5b3a693dd Don't close groups of polylines.
2000-04-14 14:07:30 +00:00

1356 lines
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/*
* X11 graphics driver graphics functions
*
* Copyright 1993,1994 Alexandre Julliard
*/
/*
* FIXME: none of these functions obey the GM_ADVANCED
* graphics mode
*/
#include "config.h"
#ifndef X_DISPLAY_MISSING
#include <X11/Intrinsic.h>
#include "ts_xlib.h"
#include "ts_xutil.h"
#include <math.h>
#ifdef HAVE_FLOAT_H
# include <float.h>
#endif
#include <stdlib.h>
#ifndef PI
#define PI M_PI
#endif
#include <string.h>
#include "x11drv.h"
#include "x11font.h"
#include "bitmap.h"
#include "gdi.h"
#include "dc.h"
#include "callback.h"
#include "metafile.h"
#include "palette.h"
#include "color.h"
#include "region.h"
#include "struct32.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(graphics);
#define ABS(x) ((x)<0?(-(x)):(x))
/* ROP code to GC function conversion */
const int X11DRV_XROPfunction[16] =
{
GXclear, /* R2_BLACK */
GXnor, /* R2_NOTMERGEPEN */
GXandInverted, /* R2_MASKNOTPEN */
GXcopyInverted, /* R2_NOTCOPYPEN */
GXandReverse, /* R2_MASKPENNOT */
GXinvert, /* R2_NOT */
GXxor, /* R2_XORPEN */
GXnand, /* R2_NOTMASKPEN */
GXand, /* R2_MASKPEN */
GXequiv, /* R2_NOTXORPEN */
GXnoop, /* R2_NOP */
GXorInverted, /* R2_MERGENOTPEN */
GXcopy, /* R2_COPYPEN */
GXorReverse, /* R2_MERGEPENNOT */
GXor, /* R2_MERGEPEN */
GXset /* R2_WHITE */
};
/***********************************************************************
* X11DRV_SetupGCForPatBlt
*
* Setup the GC for a PatBlt operation using current brush.
* If fMapColors is TRUE, X pixels are mapped to Windows colors.
* Return FALSE if brush is BS_NULL, TRUE otherwise.
*/
BOOL X11DRV_SetupGCForPatBlt( DC * dc, GC gc, BOOL fMapColors )
{
XGCValues val;
unsigned long mask;
Pixmap pixmap = 0;
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
if (physDev->brush.style == BS_NULL) return FALSE;
if (physDev->brush.pixel == -1)
{
/* Special case used for monochrome pattern brushes.
* We need to swap foreground and background because
* Windows does it the wrong way...
*/
val.foreground = physDev->backgroundPixel;
val.background = physDev->textPixel;
}
else
{
val.foreground = physDev->brush.pixel;
val.background = physDev->backgroundPixel;
}
if (fMapColors && X11DRV_PALETTE_XPixelToPalette)
{
val.foreground = X11DRV_PALETTE_XPixelToPalette[val.foreground];
val.background = X11DRV_PALETTE_XPixelToPalette[val.background];
}
if (dc->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion(dc);
val.function = X11DRV_XROPfunction[dc->w.ROPmode-1];
/*
** Let's replace GXinvert by GXxor with (black xor white)
** This solves the selection color and leak problems in excel
** FIXME : Let's do that only if we work with X-pixels, not with Win-pixels
*/
if (val.function == GXinvert)
{
val.foreground = BlackPixelOfScreen(X11DRV_GetXScreen()) ^ WhitePixelOfScreen(X11DRV_GetXScreen());
val.function = GXxor;
}
val.fill_style = physDev->brush.fillStyle;
switch(val.fill_style)
{
case FillStippled:
case FillOpaqueStippled:
if (dc->w.backgroundMode==OPAQUE) val.fill_style = FillOpaqueStippled;
val.stipple = physDev->brush.pixmap;
mask = GCStipple;
break;
case FillTiled:
if (fMapColors && X11DRV_PALETTE_XPixelToPalette)
{
register int x, y;
XImage *image;
EnterCriticalSection( &X11DRV_CritSection );
pixmap = XCreatePixmap( display, X11DRV_GetXRootWindow(),
8, 8, X11DRV_GetDepth() );
image = XGetImage( display, physDev->brush.pixmap, 0, 0, 8, 8,
AllPlanes, ZPixmap );
for (y = 0; y < 8; y++)
for (x = 0; x < 8; x++)
XPutPixel( image, x, y,
X11DRV_PALETTE_XPixelToPalette[XGetPixel( image, x, y)] );
XPutImage( display, pixmap, gc, image, 0, 0, 0, 0, 8, 8 );
XDestroyImage( image );
LeaveCriticalSection( &X11DRV_CritSection );
val.tile = pixmap;
}
else val.tile = physDev->brush.pixmap;
mask = GCTile;
break;
default:
mask = 0;
break;
}
val.ts_x_origin = dc->w.DCOrgX + dc->w.brushOrgX;
val.ts_y_origin = dc->w.DCOrgY + dc->w.brushOrgY;
val.fill_rule = (dc->w.polyFillMode==WINDING) ? WindingRule : EvenOddRule;
TSXChangeGC( display, gc,
GCFunction | GCForeground | GCBackground | GCFillStyle |
GCFillRule | GCTileStipXOrigin | GCTileStipYOrigin | mask,
&val );
if (pixmap) TSXFreePixmap( display, pixmap );
return TRUE;
}
/***********************************************************************
* X11DRV_SetupGCForBrush
*
* Setup physDev->gc for drawing operations using current brush.
* Return FALSE if brush is BS_NULL, TRUE otherwise.
*/
BOOL X11DRV_SetupGCForBrush( DC * dc )
{
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
return X11DRV_SetupGCForPatBlt( dc, physDev->gc, FALSE );
}
/***********************************************************************
* X11DRV_SetupGCForPen
*
* Setup physDev->gc for drawing operations using current pen.
* Return FALSE if pen is PS_NULL, TRUE otherwise.
*/
BOOL X11DRV_SetupGCForPen( DC * dc )
{
XGCValues val;
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
if (physDev->pen.style == PS_NULL) return FALSE;
if (dc->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion(dc);
switch (dc->w.ROPmode)
{
case R2_BLACK :
val.foreground = BlackPixelOfScreen( X11DRV_GetXScreen() );
val.function = GXcopy;
break;
case R2_WHITE :
val.foreground = WhitePixelOfScreen( X11DRV_GetXScreen() );
val.function = GXcopy;
break;
case R2_XORPEN :
val.foreground = physDev->pen.pixel;
/* It is very unlikely someone wants to XOR with 0 */
/* This fixes the rubber-drawings in paintbrush */
if (val.foreground == 0)
val.foreground = BlackPixelOfScreen( X11DRV_GetXScreen() )
^ WhitePixelOfScreen( X11DRV_GetXScreen() );
val.function = GXxor;
break;
default :
val.foreground = physDev->pen.pixel;
val.function = X11DRV_XROPfunction[dc->w.ROPmode-1];
}
val.background = physDev->backgroundPixel;
val.fill_style = FillSolid;
if ((physDev->pen.width <= 1) &&
(physDev->pen.style != PS_SOLID) &&
(physDev->pen.style != PS_INSIDEFRAME))
{
TSXSetDashes( display, physDev->gc, 0, physDev->pen.dashes,
physDev->pen.dash_len );
val.line_style = (dc->w.backgroundMode == OPAQUE) ?
LineDoubleDash : LineOnOffDash;
}
else val.line_style = LineSolid;
val.line_width = physDev->pen.width;
if (val.line_width <= 1) {
val.cap_style = CapNotLast;
} else {
switch (physDev->pen.endcap)
{
case PS_ENDCAP_SQUARE:
val.cap_style = CapProjecting;
break;
case PS_ENDCAP_FLAT:
val.cap_style = CapButt;
break;
case PS_ENDCAP_ROUND:
default:
val.cap_style = CapRound;
}
}
switch (physDev->pen.linejoin)
{
case PS_JOIN_BEVEL:
val.join_style = JoinBevel;
break;
case PS_JOIN_MITER:
val.join_style = JoinMiter;
break;
case PS_JOIN_ROUND:
default:
val.join_style = JoinRound;
}
TSXChangeGC( display, physDev->gc,
GCFunction | GCForeground | GCBackground | GCLineWidth |
GCLineStyle | GCCapStyle | GCJoinStyle | GCFillStyle, &val );
return TRUE;
}
/***********************************************************************
* X11DRV_SetupGCForText
*
* Setup physDev->gc for text drawing operations.
* Return FALSE if the font is null, TRUE otherwise.
*/
BOOL X11DRV_SetupGCForText( DC * dc )
{
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
XFontStruct* xfs = XFONT_GetFontStruct( physDev->font );
if( xfs )
{
XGCValues val;
if (dc->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion(dc);
val.function = GXcopy; /* Text is always GXcopy */
val.foreground = physDev->textPixel;
val.background = physDev->backgroundPixel;
val.fill_style = FillSolid;
val.font = xfs->fid;
TSXChangeGC( display, physDev->gc,
GCFunction | GCForeground | GCBackground | GCFillStyle |
GCFont, &val );
return TRUE;
}
WARN("Physical font failure\n" );
return FALSE;
}
/***********************************************************************
* X11DRV_LineTo
*/
BOOL
X11DRV_LineTo( DC *dc, INT x, INT y )
{
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
if (X11DRV_SetupGCForPen( dc )) {
/* Update the pixmap from the DIB section */
X11DRV_DIB_UpdateDIBSection(dc, FALSE);
TSXDrawLine(display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + XLPTODP( dc, dc->w.CursPosX ),
dc->w.DCOrgY + YLPTODP( dc, dc->w.CursPosY ),
dc->w.DCOrgX + XLPTODP( dc, x ),
dc->w.DCOrgY + YLPTODP( dc, y ) );
/* Update the DIBSection from the pixmap */
X11DRV_DIB_UpdateDIBSection(dc, TRUE);
}
return TRUE;
}
/***********************************************************************
* X11DRV_DrawArc
*
* Helper functions for Arc(), Chord() and Pie().
* 'lines' is the number of lines to draw: 0 for Arc, 1 for Chord, 2 for Pie.
*
*/
static BOOL
X11DRV_DrawArc( DC *dc, INT left, INT top, INT right,
INT bottom, INT xstart, INT ystart,
INT xend, INT yend, INT lines )
{
INT xcenter, ycenter, istart_angle, idiff_angle;
INT width, oldwidth, oldendcap;
double start_angle, end_angle;
XPoint points[4];
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
BOOL update = FALSE;
left = XLPTODP( dc, left );
top = YLPTODP( dc, top );
right = XLPTODP( dc, right );
bottom = YLPTODP( dc, bottom );
xstart = XLPTODP( dc, xstart );
ystart = YLPTODP( dc, ystart );
xend = XLPTODP( dc, xend );
yend = YLPTODP( dc, yend );
if (right < left) { INT tmp = right; right = left; left = tmp; }
if (bottom < top) { INT tmp = bottom; bottom = top; top = tmp; }
if ((left == right) || (top == bottom)
||(lines && ((right-left==1)||(bottom-top==1)))) return TRUE;
oldwidth = width = physDev->pen.width;
oldendcap = physDev->pen.endcap;
if (!width) width = 1;
if(physDev->pen.style == PS_NULL) width = 0;
if ((physDev->pen.style == PS_INSIDEFRAME))
{
if (2*width > (right-left)) width=(right-left + 1)/2;
if (2*width > (bottom-top)) width=(bottom-top + 1)/2;
left += width / 2;
right -= (width - 1) / 2;
top += width / 2;
bottom -= (width - 1) / 2;
}
if(width == 0) width = 1; /* more accurate */
physDev->pen.width = width;
physDev->pen.endcap = PS_ENDCAP_SQUARE;
xcenter = (right + left) / 2;
ycenter = (bottom + top) / 2;
start_angle = atan2( (double)(ycenter-ystart)*(right-left),
(double)(xstart-xcenter)*(bottom-top) );
end_angle = atan2( (double)(ycenter-yend)*(right-left),
(double)(xend-xcenter)*(bottom-top) );
if ((xstart==xend)&&(ystart==yend))
{ /* A lazy program delivers xstart=xend=ystart=yend=0) */
start_angle = 0;
end_angle = 2* PI;
}
else /* notorious cases */
if ((start_angle == PI)&&( end_angle <0))
start_angle = - PI;
else
if ((end_angle == PI)&&( start_angle <0))
end_angle = - PI;
istart_angle = (INT)(start_angle * 180 * 64 / PI + 0.5);
idiff_angle = (INT)((end_angle - start_angle) * 180 * 64 / PI + 0.5);
if (idiff_angle <= 0) idiff_angle += 360 * 64;
/* Update the pixmap from the DIB section */
X11DRV_DIB_UpdateDIBSection(dc, FALSE);
/* Fill arc with brush if Chord() or Pie() */
if ((lines > 0) && X11DRV_SetupGCForBrush( dc )) {
TSXSetArcMode( display, physDev->gc,
(lines==1) ? ArcChord : ArcPieSlice);
TSXFillArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left, dc->w.DCOrgY + top,
right-left-1, bottom-top-1, istart_angle, idiff_angle );
update = TRUE;
}
/* Draw arc and lines */
if (X11DRV_SetupGCForPen( dc )){
TSXDrawArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left, dc->w.DCOrgY + top,
right-left-1, bottom-top-1, istart_angle, idiff_angle );
if (lines) {
/* use the truncated values */
start_angle=(double)istart_angle*PI/64./180.;
end_angle=(double)(istart_angle+idiff_angle)*PI/64./180.;
/* calculate the endpoints and round correctly */
points[0].x = (int) floor(dc->w.DCOrgX + (right+left)/2.0 +
cos(start_angle) * (right-left-width*2+2) / 2. + 0.5);
points[0].y = (int) floor(dc->w.DCOrgY + (top+bottom)/2.0 -
sin(start_angle) * (bottom-top-width*2+2) / 2. + 0.5);
points[1].x = (int) floor(dc->w.DCOrgX + (right+left)/2.0 +
cos(end_angle) * (right-left-width*2+2) / 2. + 0.5);
points[1].y = (int) floor(dc->w.DCOrgY + (top+bottom)/2.0 -
sin(end_angle) * (bottom-top-width*2+2) / 2. + 0.5);
/* OK this stuff is optimized for Xfree86
* which is probably the most used server by
* wine users. Other X servers will not
* display correctly. (eXceed for instance)
* so if you feel you must change make sure that
* you either use Xfree86 or seperate your changes
* from these (compile switch or whatever)
*/
if (lines == 2) {
INT dx1,dy1;
points[3] = points[1];
points[1].x = dc->w.DCOrgX + xcenter;
points[1].y = dc->w.DCOrgY + ycenter;
points[2] = points[1];
dx1=points[1].x-points[0].x;
dy1=points[1].y-points[0].y;
if(((top-bottom) | -2) == -2)
if(dy1>0) points[1].y--;
if(dx1<0) {
if (((-dx1)*64)<=ABS(dy1)*37) points[0].x--;
if(((-dx1*9))<(dy1*16)) points[0].y--;
if( dy1<0 && ((dx1*9)) < (dy1*16)) points[0].y--;
} else {
if(dy1 < 0) points[0].y--;
if(((right-left) | -2) == -2) points[1].x--;
}
dx1=points[3].x-points[2].x;
dy1=points[3].y-points[2].y;
if(((top-bottom) | -2 ) == -2)
if(dy1 < 0) points[2].y--;
if( dx1<0){
if( dy1>0) points[3].y--;
if(((right-left) | -2) == -2 ) points[2].x--;
}else {
points[3].y--;
if( dx1 * 64 < dy1 * -37 ) points[3].x--;
}
lines++;
}
TSXDrawLines( display, physDev->drawable, physDev->gc,
points, lines+1, CoordModeOrigin );
}
update = TRUE;
}
/* Update the DIBSection of the pixmap */
if (update) X11DRV_DIB_UpdateDIBSection(dc, TRUE);
physDev->pen.width = oldwidth;
physDev->pen.endcap = oldendcap;
return TRUE;
}
/***********************************************************************
* X11DRV_Arc
*/
BOOL
X11DRV_Arc( DC *dc, INT left, INT top, INT right, INT bottom,
INT xstart, INT ystart, INT xend, INT yend )
{
return X11DRV_DrawArc( dc, left, top, right, bottom,
xstart, ystart, xend, yend, 0 );
}
/***********************************************************************
* X11DRV_Pie
*/
BOOL
X11DRV_Pie( DC *dc, INT left, INT top, INT right, INT bottom,
INT xstart, INT ystart, INT xend, INT yend )
{
return X11DRV_DrawArc( dc, left, top, right, bottom,
xstart, ystart, xend, yend, 2 );
}
/***********************************************************************
* X11DRV_Chord
*/
BOOL
X11DRV_Chord( DC *dc, INT left, INT top, INT right, INT bottom,
INT xstart, INT ystart, INT xend, INT yend )
{
return X11DRV_DrawArc( dc, left, top, right, bottom,
xstart, ystart, xend, yend, 1 );
}
/***********************************************************************
* X11DRV_Ellipse
*/
BOOL
X11DRV_Ellipse( DC *dc, INT left, INT top, INT right, INT bottom )
{
INT width, oldwidth;
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
BOOL update = FALSE;
left = XLPTODP( dc, left );
top = YLPTODP( dc, top );
right = XLPTODP( dc, right );
bottom = YLPTODP( dc, bottom );
if ((left == right) || (top == bottom)) return TRUE;
if (right < left) { INT tmp = right; right = left; left = tmp; }
if (bottom < top) { INT tmp = bottom; bottom = top; top = tmp; }
oldwidth = width = physDev->pen.width;
if (!width) width = 1;
if(physDev->pen.style == PS_NULL) width = 0;
if ((physDev->pen.style == PS_INSIDEFRAME))
{
if (2*width > (right-left)) width=(right-left + 1)/2;
if (2*width > (bottom-top)) width=(bottom-top + 1)/2;
left += width / 2;
right -= (width - 1) / 2;
top += width / 2;
bottom -= (width - 1) / 2;
}
if(width == 0) width = 1; /* more accurate */
physDev->pen.width = width;
/* Update the pixmap from the DIB section */
X11DRV_DIB_UpdateDIBSection(dc, FALSE);
if (X11DRV_SetupGCForBrush( dc ))
{
TSXFillArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left, dc->w.DCOrgY + top,
right-left-1, bottom-top-1, 0, 360*64 );
update = TRUE;
}
if (X11DRV_SetupGCForPen( dc ))
{
TSXDrawArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left, dc->w.DCOrgY + top,
right-left-1, bottom-top-1, 0, 360*64 );
update = TRUE;
}
/* Update the DIBSection from the pixmap */
if (update) X11DRV_DIB_UpdateDIBSection(dc, TRUE);
physDev->pen.width = oldwidth;
return TRUE;
}
/***********************************************************************
* X11DRV_Rectangle
*/
BOOL
X11DRV_Rectangle(DC *dc, INT left, INT top, INT right, INT bottom)
{
INT width, oldwidth, oldjoinstyle;
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
BOOL update = FALSE;
TRACE("(%d %d %d %d)\n",
left, top, right, bottom);
left = XLPTODP( dc, left );
top = YLPTODP( dc, top );
right = XLPTODP( dc, right );
bottom = YLPTODP( dc, bottom );
if ((left == right) || (top == bottom)) return TRUE;
if (right < left) { INT tmp = right; right = left; left = tmp; }
if (bottom < top) { INT tmp = bottom; bottom = top; top = tmp; }
oldwidth = width = physDev->pen.width;
if (!width) width = 1;
if(physDev->pen.style == PS_NULL) width = 0;
if ((physDev->pen.style == PS_INSIDEFRAME))
{
if (2*width > (right-left)) width=(right-left + 1)/2;
if (2*width > (bottom-top)) width=(bottom-top + 1)/2;
left += width / 2;
right -= (width - 1) / 2;
top += width / 2;
bottom -= (width - 1) / 2;
}
if(width == 1) width = 0;
physDev->pen.width = width;
oldjoinstyle = physDev->pen.linejoin;
if(physDev->pen.type != PS_GEOMETRIC)
physDev->pen.linejoin = PS_JOIN_MITER;
/* Update the pixmap from the DIB section */
X11DRV_DIB_UpdateDIBSection(dc, FALSE);
if ((right > left + width) && (bottom > top + width))
if (X11DRV_SetupGCForBrush( dc ))
{
TSXFillRectangle( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left + (width + 1) / 2,
dc->w.DCOrgY + top + (width + 1) / 2,
right-left-width-1, bottom-top-width-1);
update = TRUE;
}
if (X11DRV_SetupGCForPen( dc ))
{
TSXDrawRectangle( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left, dc->w.DCOrgY + top,
right-left-1, bottom-top-1 );
update = TRUE;
}
/* Update the DIBSection from the pixmap */
if (update) X11DRV_DIB_UpdateDIBSection(dc, TRUE);
physDev->pen.width = oldwidth;
physDev->pen.linejoin = oldjoinstyle;
return TRUE;
}
/***********************************************************************
* X11DRV_RoundRect
*/
BOOL
X11DRV_RoundRect( DC *dc, INT left, INT top, INT right,
INT bottom, INT ell_width, INT ell_height )
{
INT width, oldwidth, oldendcap;
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
BOOL update = FALSE;
TRACE("(%d %d %d %d %d %d\n",
left, top, right, bottom, ell_width, ell_height);
left = XLPTODP( dc, left );
top = YLPTODP( dc, top );
right = XLPTODP( dc, right );
bottom = YLPTODP( dc, bottom );
if ((left == right) || (top == bottom))
return TRUE;
/* Make sure ell_width and ell_height are >= 1 otherwise XDrawArc gets
called with width/height < 0 */
ell_width = max(abs( ell_width * dc->vportExtX / dc->wndExtX ), 1);
ell_height = max(abs( ell_height * dc->vportExtY / dc->wndExtY ), 1);
/* Fix the coordinates */
if (right < left) { INT tmp = right; right = left; left = tmp; }
if (bottom < top) { INT tmp = bottom; bottom = top; top = tmp; }
oldwidth = width = physDev->pen.width;
oldendcap = physDev->pen.endcap;
if (!width) width = 1;
if(physDev->pen.style == PS_NULL) width = 0;
if ((physDev->pen.style == PS_INSIDEFRAME))
{
if (2*width > (right-left)) width=(right-left + 1)/2;
if (2*width > (bottom-top)) width=(bottom-top + 1)/2;
left += width / 2;
right -= (width - 1) / 2;
top += width / 2;
bottom -= (width - 1) / 2;
}
if(width == 0) width = 1;
physDev->pen.width = width;
physDev->pen.endcap = PS_ENDCAP_SQUARE;
/* Update the pixmap from the DIB section */
X11DRV_DIB_UpdateDIBSection(dc, FALSE);
if (X11DRV_SetupGCForBrush( dc ))
{
if (ell_width > (right-left) )
if (ell_height > (bottom-top) )
TSXFillArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left, dc->w.DCOrgY + top,
right - left - 1, bottom - top - 1,
0, 360 * 64 );
else{
TSXFillArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left, dc->w.DCOrgY + top,
right - left - 1, ell_height, 0, 180 * 64 );
TSXFillArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left,
dc->w.DCOrgY + bottom - ell_height - 1,
right - left - 1, ell_height, 180 * 64,
180 * 64 );
}
else if (ell_height > (bottom-top) ){
TSXFillArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left, dc->w.DCOrgY + top,
ell_width, bottom - top - 1, 90 * 64, 180 * 64 );
TSXFillArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + right - ell_width -1, dc->w.DCOrgY + top,
ell_width, bottom - top - 1, 270 * 64, 180 * 64 );
}else{
TSXFillArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left, dc->w.DCOrgY + top,
ell_width, ell_height, 90 * 64, 90 * 64 );
TSXFillArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left,
dc->w.DCOrgY + bottom - ell_height - 1,
ell_width, ell_height, 180 * 64, 90 * 64 );
TSXFillArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + right - ell_width - 1,
dc->w.DCOrgY + bottom - ell_height - 1,
ell_width, ell_height, 270 * 64, 90 * 64 );
TSXFillArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + right - ell_width - 1,
dc->w.DCOrgY + top,
ell_width, ell_height, 0, 90 * 64 );
}
if (ell_width < right - left)
{
TSXFillRectangle( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left + (ell_width + 1) / 2,
dc->w.DCOrgY + top + 1,
right - left - ell_width - 1,
(ell_height + 1) / 2 - 1);
TSXFillRectangle( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left + (ell_width + 1) / 2,
dc->w.DCOrgY + bottom - (ell_height) / 2 - 1,
right - left - ell_width - 1,
(ell_height) / 2 );
}
if (ell_height < bottom - top)
{
TSXFillRectangle( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left + 1,
dc->w.DCOrgY + top + (ell_height + 1) / 2,
right - left - 2,
bottom - top - ell_height - 1);
}
update = TRUE;
}
/* FIXME: this could be done with on X call
* more efficient and probably more correct
* on any X server: XDrawArcs will draw
* straight horizontal and vertical lines
* if width or height are zero.
*
* BTW this stuff is optimized for an Xfree86 server
* read the comments inside the X11DRV_DrawArc function
*/
if (X11DRV_SetupGCForPen(dc)) {
if (ell_width > (right-left) )
if (ell_height > (bottom-top) )
TSXDrawArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left, dc->w.DCOrgY + top,
right - left - 1, bottom -top - 1, 0 , 360 * 64 );
else{
TSXDrawArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left, dc->w.DCOrgY + top,
right - left - 1, ell_height - 1, 0 , 180 * 64 );
TSXDrawArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left,
dc->w.DCOrgY + bottom - ell_height,
right - left - 1, ell_height - 1, 180 * 64 , 180 * 64 );
}
else if (ell_height > (bottom-top) ){
TSXDrawArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left, dc->w.DCOrgY + top,
ell_width - 1 , bottom - top - 1, 90 * 64 , 180 * 64 );
TSXDrawArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + right - ell_width,
dc->w.DCOrgY + top,
ell_width - 1 , bottom - top - 1, 270 * 64 , 180 * 64 );
}else{
TSXDrawArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left, dc->w.DCOrgY + top,
ell_width - 1, ell_height - 1, 90 * 64, 90 * 64 );
TSXDrawArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left, dc->w.DCOrgY + bottom - ell_height,
ell_width - 1, ell_height - 1, 180 * 64, 90 * 64 );
TSXDrawArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + right - ell_width,
dc->w.DCOrgY + bottom - ell_height,
ell_width - 1, ell_height - 1, 270 * 64, 90 * 64 );
TSXDrawArc( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + right - ell_width, dc->w.DCOrgY + top,
ell_width - 1, ell_height - 1, 0, 90 * 64 );
}
if (ell_width < right - left)
{
TSXDrawLine( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left + ell_width / 2,
dc->w.DCOrgY + top,
dc->w.DCOrgX + right - (ell_width+1) / 2,
dc->w.DCOrgY + top);
TSXDrawLine( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left + ell_width / 2 ,
dc->w.DCOrgY + bottom - 1,
dc->w.DCOrgX + right - (ell_width+1)/ 2,
dc->w.DCOrgY + bottom - 1);
}
if (ell_height < bottom - top)
{
TSXDrawLine( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + right - 1,
dc->w.DCOrgY + top + ell_height / 2,
dc->w.DCOrgX + right - 1,
dc->w.DCOrgY + bottom - (ell_height+1) / 2);
TSXDrawLine( display, physDev->drawable, physDev->gc,
dc->w.DCOrgX + left,
dc->w.DCOrgY + top + ell_height / 2,
dc->w.DCOrgX + left,
dc->w.DCOrgY + bottom - (ell_height+1) / 2);
}
update = TRUE;
}
/* Update the DIBSection from the pixmap */
if (update) X11DRV_DIB_UpdateDIBSection(dc, TRUE);
physDev->pen.width = oldwidth;
physDev->pen.endcap = oldendcap;
return TRUE;
}
/***********************************************************************
* X11DRV_SetPixel
*/
COLORREF
X11DRV_SetPixel( DC *dc, INT x, INT y, COLORREF color )
{
Pixel pixel;
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
x = dc->w.DCOrgX + XLPTODP( dc, x );
y = dc->w.DCOrgY + YLPTODP( dc, y );
pixel = X11DRV_PALETTE_ToPhysical( dc, color );
TSXSetForeground( display, physDev->gc, pixel );
TSXSetFunction( display, physDev->gc, GXcopy );
TSXDrawPoint( display, physDev->drawable, physDev->gc, x, y );
/* inefficient but simple... */
/* FIXME: the DIBSection pixel should be updated too */
return X11DRV_PALETTE_ToLogical(pixel);
}
/***********************************************************************
* X11DRV_GetPixel
*/
COLORREF
X11DRV_GetPixel( DC *dc, INT x, INT y )
{
static Pixmap pixmap = 0;
XImage * image;
int pixel;
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
x = dc->w.DCOrgX + XLPTODP( dc, x );
y = dc->w.DCOrgY + YLPTODP( dc, y );
EnterCriticalSection( &X11DRV_CritSection );
if (dc->w.flags & DC_MEMORY)
{
image = XGetImage( display, physDev->drawable, x, y, 1, 1,
AllPlanes, ZPixmap );
}
else
{
/* If we are reading from the screen, use a temporary copy */
/* to avoid a BadMatch error */
if (!pixmap) pixmap = XCreatePixmap( display, X11DRV_GetXRootWindow(),
1, 1, dc->w.bitsPerPixel );
XCopyArea( display, physDev->drawable, pixmap, BITMAP_colorGC,
x, y, 1, 1, 0, 0 );
image = XGetImage( display, pixmap, 0, 0, 1, 1, AllPlanes, ZPixmap );
}
pixel = XGetPixel( image, 0, 0 );
XDestroyImage( image );
LeaveCriticalSection( &X11DRV_CritSection );
return X11DRV_PALETTE_ToLogical(pixel);
}
/***********************************************************************
* X11DRV_PaintRgn
*/
BOOL
X11DRV_PaintRgn( DC *dc, HRGN hrgn )
{
RECT box;
HRGN tmpVisRgn, prevVisRgn;
HDC hdc = dc->hSelf; /* FIXME: should not mix dc/hdc this way */
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
if (!(tmpVisRgn = CreateRectRgn( 0, 0, 0, 0 ))) return FALSE;
/* Transform region into device co-ords */
if ( !REGION_LPTODP( hdc, tmpVisRgn, hrgn )
|| OffsetRgn( tmpVisRgn, dc->w.DCOrgX, dc->w.DCOrgY ) == ERROR) {
DeleteObject( tmpVisRgn );
return FALSE;
}
/* Modify visible region */
if (!(prevVisRgn = SaveVisRgn16( hdc ))) {
DeleteObject( tmpVisRgn );
return FALSE;
}
CombineRgn( tmpVisRgn, prevVisRgn, tmpVisRgn, RGN_AND );
SelectVisRgn16( hdc, tmpVisRgn );
DeleteObject( tmpVisRgn );
/* Fill the region */
GetRgnBox( dc->w.hGCClipRgn, &box );
if (X11DRV_SetupGCForBrush( dc ))
{
/* Update the pixmap from the DIB section */
X11DRV_DIB_UpdateDIBSection(dc, FALSE);
TSXFillRectangle( display, physDev->drawable, physDev->gc,
box.left, box.top,
box.right-box.left, box.bottom-box.top );
/* Update the DIBSection from the pixmap */
X11DRV_DIB_UpdateDIBSection(dc, TRUE);
}
/* Restore the visible region */
RestoreVisRgn16( hdc );
return TRUE;
}
/**********************************************************************
* X11DRV_Polyline
*/
BOOL
X11DRV_Polyline( DC *dc, const POINT* pt, INT count )
{
INT oldwidth;
register int i;
XPoint *points;
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
if((oldwidth = physDev->pen.width) == 0) physDev->pen.width = 1;
if (!(points = HeapAlloc( GetProcessHeap(), 0, sizeof(XPoint) * count )))
{
WARN("No memory to convert POINTs to XPoints!\n");
return FALSE;
}
for (i = 0; i < count; i++)
{
points[i].x = dc->w.DCOrgX + XLPTODP( dc, pt[i].x );
points[i].y = dc->w.DCOrgY + YLPTODP( dc, pt[i].y );
}
if (X11DRV_SetupGCForPen ( dc ))
{
/* Update the pixmap from the DIB section */
X11DRV_DIB_UpdateDIBSection(dc, FALSE);
TSXDrawLines( display, physDev->drawable, physDev->gc,
points, count, CoordModeOrigin );
/* Update the DIBSection from the pixmap */
X11DRV_DIB_UpdateDIBSection(dc, TRUE);
}
HeapFree( GetProcessHeap(), 0, points );
physDev->pen.width = oldwidth;
return TRUE;
}
/**********************************************************************
* X11DRV_Polygon
*/
BOOL
X11DRV_Polygon( DC *dc, const POINT* pt, INT count )
{
register int i;
XPoint *points;
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
BOOL update = FALSE;
if (!(points = HeapAlloc( GetProcessHeap(), 0, sizeof(XPoint) * (count+1) )))
{
WARN("No memory to convert POINTs to XPoints!\n");
return FALSE;
}
for (i = 0; i < count; i++)
{
points[i].x = dc->w.DCOrgX + XLPTODP( dc, pt[i].x );
points[i].y = dc->w.DCOrgY + YLPTODP( dc, pt[i].y );
}
points[count] = points[0];
/* Update the pixmap from the DIB section */
X11DRV_DIB_UpdateDIBSection(dc, FALSE);
if (X11DRV_SetupGCForBrush( dc ))
{
TSXFillPolygon( display, physDev->drawable, physDev->gc,
points, count+1, Complex, CoordModeOrigin);
update = TRUE;
}
if (X11DRV_SetupGCForPen ( dc ))
{
TSXDrawLines( display, physDev->drawable, physDev->gc,
points, count+1, CoordModeOrigin );
update = TRUE;
}
/* Update the DIBSection from the pixmap */
if (update) X11DRV_DIB_UpdateDIBSection(dc, TRUE);
HeapFree( GetProcessHeap(), 0, points );
return TRUE;
}
/**********************************************************************
* X11DRV_PolyPolygon
*/
BOOL
X11DRV_PolyPolygon( DC *dc, const POINT* pt, const INT* counts, UINT polygons)
{
HRGN hrgn;
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
/* FIXME: The points should be converted to device coords before */
/* creating the region. */
hrgn = CreatePolyPolygonRgn( pt, counts, polygons, dc->w.polyFillMode );
X11DRV_PaintRgn( dc, hrgn );
DeleteObject( hrgn );
/* Draw the outline of the polygons */
if (X11DRV_SetupGCForPen ( dc ))
{
int i, j, max = 0;
XPoint *points;
/* Update the pixmap from the DIB section */
X11DRV_DIB_UpdateDIBSection(dc, FALSE);
for (i = 0; i < polygons; i++) if (counts[i] > max) max = counts[i];
if (!(points = HeapAlloc( GetProcessHeap(), 0, sizeof(XPoint) * (max+1) )))
{
WARN("No memory to convert POINTs to XPoints!\n");
return FALSE;
}
for (i = 0; i < polygons; i++)
{
for (j = 0; j < counts[i]; j++)
{
points[j].x = dc->w.DCOrgX + XLPTODP( dc, pt->x );
points[j].y = dc->w.DCOrgY + YLPTODP( dc, pt->y );
pt++;
}
points[j] = points[0];
TSXDrawLines( display, physDev->drawable, physDev->gc,
points, j + 1, CoordModeOrigin );
}
/* Update the DIBSection of the dc's bitmap */
X11DRV_DIB_UpdateDIBSection(dc, TRUE);
HeapFree( GetProcessHeap(), 0, points );
}
return TRUE;
}
/**********************************************************************
* X11DRV_PolyPolyline
*/
BOOL
X11DRV_PolyPolyline( DC *dc, const POINT* pt, const DWORD* counts, DWORD polylines )
{
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
if (X11DRV_SetupGCForPen ( dc ))
{
int i, j, max = 0;
XPoint *points;
/* Update the pixmap from the DIB section */
X11DRV_DIB_UpdateDIBSection(dc, FALSE);
for (i = 0; i < polylines; i++) if (counts[i] > max) max = counts[i];
if (!(points = HeapAlloc( GetProcessHeap(), 0, sizeof(XPoint) * max )))
{
WARN("No memory to convert POINTs to XPoints!\n");
return FALSE;
}
for (i = 0; i < polylines; i++)
{
for (j = 0; j < counts[i]; j++)
{
points[j].x = dc->w.DCOrgX + XLPTODP( dc, pt->x );
points[j].y = dc->w.DCOrgY + YLPTODP( dc, pt->y );
pt++;
}
TSXDrawLines( display, physDev->drawable, physDev->gc,
points, j, CoordModeOrigin );
}
/* Update the DIBSection of the dc's bitmap */
X11DRV_DIB_UpdateDIBSection(dc, TRUE);
HeapFree( GetProcessHeap(), 0, points );
}
return TRUE;
}
/**********************************************************************
* X11DRV_InternalFloodFill
*
* Internal helper function for flood fill.
* (xorg,yorg) is the origin of the X image relative to the drawable.
* (x,y) is relative to the origin of the X image.
*/
static void X11DRV_InternalFloodFill(XImage *image, DC *dc,
int x, int y,
int xOrg, int yOrg,
Pixel pixel, WORD fillType )
{
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
int left, right;
#define TO_FLOOD(x,y) ((fillType == FLOODFILLBORDER) ? \
(XGetPixel(image,x,y) != pixel) : \
(XGetPixel(image,x,y) == pixel))
if (!TO_FLOOD(x,y)) return;
/* Find left and right boundaries */
left = right = x;
while ((left > 0) && TO_FLOOD( left-1, y )) left--;
while ((right < image->width) && TO_FLOOD( right, y )) right++;
XFillRectangle( display, physDev->drawable, physDev->gc,
xOrg + left, yOrg + y, right-left, 1 );
/* Set the pixels of this line so we don't fill it again */
for (x = left; x < right; x++)
{
if (fillType == FLOODFILLBORDER) XPutPixel( image, x, y, pixel );
else XPutPixel( image, x, y, ~pixel );
}
/* Fill the line above */
if (--y >= 0)
{
x = left;
while (x < right)
{
while ((x < right) && !TO_FLOOD(x,y)) x++;
if (x >= right) break;
while ((x < right) && TO_FLOOD(x,y)) x++;
X11DRV_InternalFloodFill(image, dc, x-1, y,
xOrg, yOrg, pixel, fillType );
}
}
/* Fill the line below */
if ((y += 2) < image->height)
{
x = left;
while (x < right)
{
while ((x < right) && !TO_FLOOD(x,y)) x++;
if (x >= right) break;
while ((x < right) && TO_FLOOD(x,y)) x++;
X11DRV_InternalFloodFill(image, dc, x-1, y,
xOrg, yOrg, pixel, fillType );
}
}
#undef TO_FLOOD
}
/**********************************************************************
* X11DRV_DoFloodFill
*
* Main flood-fill routine.
*
* The Xlib critical section must be entered before calling this function.
*/
struct FloodFill_params
{
DC *dc;
INT x;
INT y;
COLORREF color;
UINT fillType;
};
static BOOL X11DRV_DoFloodFill( const struct FloodFill_params *params )
{
XImage *image;
RECT rect;
DC *dc = params->dc;
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
if (GetRgnBox( dc->w.hGCClipRgn, &rect ) == ERROR) return FALSE;
if (!(image = XGetImage( display, physDev->drawable,
rect.left,
rect.top,
rect.right - rect.left,
rect.bottom - rect.top,
AllPlanes, ZPixmap ))) return FALSE;
if (X11DRV_SetupGCForBrush( dc ))
{
/* Update the pixmap from the DIB section */
X11DRV_DIB_UpdateDIBSection(dc, FALSE);
/* ROP mode is always GXcopy for flood-fill */
XSetFunction( display, physDev->gc, GXcopy );
X11DRV_InternalFloodFill(image, dc,
XLPTODP(dc,params->x) + dc->w.DCOrgX - rect.left,
YLPTODP(dc,params->y) + dc->w.DCOrgY - rect.top,
rect.left,
rect.top,
X11DRV_PALETTE_ToPhysical( dc, params->color ),
params->fillType );
/* Update the DIBSection of the dc's bitmap */
X11DRV_DIB_UpdateDIBSection(dc, TRUE);
}
XDestroyImage( image );
return TRUE;
}
/**********************************************************************
* X11DRV_ExtFloodFill
*/
BOOL
X11DRV_ExtFloodFill( DC *dc, INT x, INT y, COLORREF color,
UINT fillType )
{
BOOL result;
struct FloodFill_params params;
TRACE("X11DRV_ExtFloodFill %d,%d %06lx %d\n",
x, y, color, fillType );
params.dc = dc;
params.x = x;
params.y = y;
params.color = color;
params.fillType = fillType;
if (!PtVisible( dc->hSelf, x, y )) return FALSE;
EnterCriticalSection( &X11DRV_CritSection );
result = CALL_LARGE_STACK( X11DRV_DoFloodFill, &params );
LeaveCriticalSection( &X11DRV_CritSection );
return result;
}
/**********************************************************************
* X11DRV_SetBkColor
*/
COLORREF
X11DRV_SetBkColor( DC *dc, COLORREF color )
{
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
COLORREF oldColor;
oldColor = dc->w.backgroundColor;
dc->w.backgroundColor = color;
physDev->backgroundPixel = X11DRV_PALETTE_ToPhysical( dc, color );
return oldColor;
}
/**********************************************************************
* X11DRV_SetTextColor
*/
COLORREF
X11DRV_SetTextColor( DC *dc, COLORREF color )
{
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
COLORREF oldColor;
oldColor = dc->w.textColor;
dc->w.textColor = color;
physDev->textPixel = X11DRV_PALETTE_ToPhysical( dc, color );
return oldColor;
}
/***********************************************************************
* X11DRV_GetDCOrgEx
*/
BOOL X11DRV_GetDCOrgEx( DC *dc, LPPOINT lpp )
{
if (!(dc->w.flags & DC_MEMORY))
{
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *) dc->physDev;
Window root;
int w, h, border, depth;
/* FIXME: this is not correct for managed windows */
TSXGetGeometry( display, physDev->drawable, &root,
(int*)&lpp->x, (int*)&lpp->y, &w, &h, &border, &depth );
}
else lpp->x = lpp->y = 0;
return TRUE;
}
#endif /* !defined(X_DISPLAY_MISSING) */
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