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wine/dlls/winex11.drv/graphics.c

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/*
* X11 graphics driver graphics functions
*
* Copyright 1993,1994 Alexandre Julliard
* Copyright 1998 Huw Davies
*
* 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
*/
/*
* FIXME: only some of these functions obey the GM_ADVANCED
* graphics mode
*/
#include "config.h"
#include <stdarg.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 <limits.h>
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "x11drv.h"
#include "wine/debug.h"
#include "wine/unicode.h"
WINE_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 */
};
/* get the rectangle in device coordinates, with optional mirroring */
static RECT get_device_rect( HDC hdc, int left, int top, int right, int bottom )
{
RECT rect;
rect.left = left;
rect.top = top;
rect.right = right;
rect.bottom = bottom;
if (GetLayout( hdc ) & LAYOUT_RTL)
{
/* shift the rectangle so that the right border is included after mirroring */
/* it would be more correct to do this after LPtoDP but that's not what Windows does */
rect.left--;
rect.right--;
}
LPtoDP( hdc, (POINT *)&rect, 2 );
if (rect.left > rect.right)
{
int tmp = rect.left;
rect.left = rect.right;
rect.right = tmp;
}
if (rect.top > rect.bottom)
{
int tmp = rect.top;
rect.top = rect.bottom;
rect.bottom = tmp;
}
return rect;
}
static void add_pen_device_bounds( X11DRV_PDEVICE *dev, const POINT *points, int count )
{
RECT bounds, rect;
int width = 0;
if (!dev->bounds) return;
reset_bounds( &bounds );
if (dev->pen.type & PS_GEOMETRIC || dev->pen.width > 1)
{
/* Windows uses some heuristics to estimate the distance from the point that will be painted */
width = dev->pen.width + 2;
if (dev->pen.linejoin == PS_JOIN_MITER)
{
width *= 5;
if (dev->pen.endcap == PS_ENDCAP_SQUARE) width = (width * 3 + 1) / 2;
}
else
{
if (dev->pen.endcap == PS_ENDCAP_SQUARE) width -= width / 4;
else width = (width + 1) / 2;
}
}
while (count-- > 0)
{
rect.left = points->x - width;
rect.top = points->y - width;
rect.right = points->x + width + 1;
rect.bottom = points->y + width + 1;
add_bounds_rect( &bounds, &rect );
points++;
}
add_device_bounds( dev, &bounds );
}
/***********************************************************************
* X11DRV_GetRegionData
*
* Calls GetRegionData on the given region and converts the rectangle
* array to XRectangle format. The returned buffer must be freed by
* caller using HeapFree(GetProcessHeap(),...).
* If hdc_lptodp is not 0, the rectangles are converted through LPtoDP.
*/
RGNDATA *X11DRV_GetRegionData( HRGN hrgn, HDC hdc_lptodp )
{
RGNDATA *data;
DWORD size;
unsigned int i;
RECT *rect, tmp;
XRectangle *xrect;
if (!(size = GetRegionData( hrgn, 0, NULL ))) return NULL;
if (sizeof(XRectangle) > sizeof(RECT))
{
/* add extra size for XRectangle array */
int count = (size - sizeof(RGNDATAHEADER)) / sizeof(RECT);
size += count * (sizeof(XRectangle) - sizeof(RECT));
}
if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return NULL;
if (!GetRegionData( hrgn, size, data ))
{
HeapFree( GetProcessHeap(), 0, data );
return NULL;
}
rect = (RECT *)data->Buffer;
xrect = (XRectangle *)data->Buffer;
if (hdc_lptodp) /* map to device coordinates */
{
LPtoDP( hdc_lptodp, (POINT *)rect, data->rdh.nCount * 2 );
for (i = 0; i < data->rdh.nCount; i++)
{
if (rect[i].right < rect[i].left)
{
INT tmp = rect[i].right;
rect[i].right = rect[i].left;
rect[i].left = tmp;
}
if (rect[i].bottom < rect[i].top)
{
INT tmp = rect[i].bottom;
rect[i].bottom = rect[i].top;
rect[i].top = tmp;
}
}
}
if (sizeof(XRectangle) > sizeof(RECT))
{
int j;
/* need to start from the end */
xrect += data->rdh.nCount;
for (j = data->rdh.nCount-1; j >= 0; j--)
{
tmp = rect[j];
if (tmp.left > SHRT_MAX) continue;
if (tmp.top > SHRT_MAX) continue;
if (tmp.right < SHRT_MIN) continue;
if (tmp.bottom < SHRT_MIN) continue;
xrect--;
xrect->x = max( min( tmp.left, SHRT_MAX), SHRT_MIN);
xrect->y = max( min( tmp.top, SHRT_MAX), SHRT_MIN);
xrect->width = max( min( tmp.right, SHRT_MAX ) - xrect->x, 0);
xrect->height = max( min( tmp.bottom, SHRT_MAX ) - xrect->y, 0);
}
if (xrect > (XRectangle *)data->Buffer)
{
data->rdh.nCount -= xrect - (XRectangle *)data->Buffer;
memmove( (XRectangle *)data->Buffer, xrect, data->rdh.nCount * sizeof(*xrect) );
}
}
else
{
for (i = 0; i < data->rdh.nCount; i++)
{
tmp = rect[i];
if (tmp.left > SHRT_MAX) continue;
if (tmp.top > SHRT_MAX) continue;
if (tmp.right < SHRT_MIN) continue;
if (tmp.bottom < SHRT_MIN) continue;
xrect->x = max( min( tmp.left, SHRT_MAX), SHRT_MIN);
xrect->y = max( min( tmp.top, SHRT_MAX), SHRT_MIN);
xrect->width = max( min( tmp.right, SHRT_MAX ) - xrect->x, 0);
xrect->height = max( min( tmp.bottom, SHRT_MAX ) - xrect->y, 0);
xrect++;
}
data->rdh.nCount = xrect - (XRectangle *)data->Buffer;
}
return data;
}
/***********************************************************************
* update_x11_clipping
*/
static void update_x11_clipping( X11DRV_PDEVICE *physDev, HRGN rgn )
{
RGNDATA *data;
if (!rgn)
{
XSetClipMask( gdi_display, physDev->gc, None );
}
else if ((data = X11DRV_GetRegionData( rgn, 0 )))
{
XSetClipRectangles( gdi_display, physDev->gc, physDev->dc_rect.left, physDev->dc_rect.top,
(XRectangle *)data->Buffer, data->rdh.nCount, YXBanded );
HeapFree( GetProcessHeap(), 0, data );
}
}
/***********************************************************************
* add_extra_clipping_region
*
* Temporarily add a region to the current clipping region.
* The region must be restored with restore_clipping_region.
*/
BOOL add_extra_clipping_region( X11DRV_PDEVICE *dev, HRGN rgn )
{
HRGN clip;
if (!rgn) return FALSE;
if (dev->region)
{
if (!(clip = CreateRectRgn( 0, 0, 0, 0 ))) return FALSE;
CombineRgn( clip, dev->region, rgn, RGN_AND );
update_x11_clipping( dev, clip );
DeleteObject( clip );
}
else update_x11_clipping( dev, rgn );
return TRUE;
}
/***********************************************************************
* restore_clipping_region
*/
void restore_clipping_region( X11DRV_PDEVICE *dev )
{
update_x11_clipping( dev, dev->region );
}
/***********************************************************************
* X11DRV_SetDeviceClipping
*/
void X11DRV_SetDeviceClipping( PHYSDEV dev, HRGN rgn )
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
physDev->region = rgn;
update_x11_clipping( physDev, rgn );
}
/***********************************************************************
* 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( X11DRV_PDEVICE *physDev, GC gc, BOOL fMapColors )
{
XGCValues val;
unsigned long mask;
Pixmap pixmap = 0;
POINT pt;
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 = X11DRV_PALETTE_ToPhysical( physDev, GetBkColor(physDev->dev.hdc) );
val.background = X11DRV_PALETTE_ToPhysical( physDev, GetTextColor(physDev->dev.hdc) );
}
else
{
val.foreground = physDev->brush.pixel;
val.background = X11DRV_PALETTE_ToPhysical( physDev, GetBkColor(physDev->dev.hdc) );
}
if (fMapColors && X11DRV_PALETTE_XPixelToPalette)
{
val.foreground = X11DRV_PALETTE_XPixelToPalette[val.foreground];
val.background = X11DRV_PALETTE_XPixelToPalette[val.background];
}
val.function = X11DRV_XROPfunction[GetROP2(physDev->dev.hdc)-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 = (WhitePixel( gdi_display, DefaultScreen(gdi_display) ) ^
BlackPixel( gdi_display, DefaultScreen(gdi_display) ));
val.function = GXxor;
}
val.fill_style = physDev->brush.fillStyle;
switch(val.fill_style)
{
case FillStippled:
case FillOpaqueStippled:
if (GetBkMode(physDev->dev.hdc)==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;
pixmap = XCreatePixmap( gdi_display, root_window, 8, 8, physDev->depth );
image = XGetImage( gdi_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( gdi_display, pixmap, gc, image, 0, 0, 0, 0, 8, 8 );
XDestroyImage( image );
val.tile = pixmap;
}
else val.tile = physDev->brush.pixmap;
mask = GCTile;
break;
default:
mask = 0;
break;
}
GetBrushOrgEx( physDev->dev.hdc, &pt );
val.ts_x_origin = physDev->dc_rect.left + pt.x;
val.ts_y_origin = physDev->dc_rect.top + pt.y;
val.fill_rule = (GetPolyFillMode(physDev->dev.hdc) == WINDING) ? WindingRule : EvenOddRule;
XChangeGC( gdi_display, gc,
GCFunction | GCForeground | GCBackground | GCFillStyle |
GCFillRule | GCTileStipXOrigin | GCTileStipYOrigin | mask,
&val );
if (pixmap) XFreePixmap( gdi_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( X11DRV_PDEVICE *physDev )
{
return X11DRV_SetupGCForPatBlt( physDev, physDev->gc, FALSE );
}
/***********************************************************************
* X11DRV_SetupGCForPen
*
* Setup physDev->gc for drawing operations using current pen.
* Return FALSE if pen is PS_NULL, TRUE otherwise.
*/
static BOOL X11DRV_SetupGCForPen( X11DRV_PDEVICE *physDev )
{
XGCValues val;
UINT rop2 = GetROP2(physDev->dev.hdc);
if (physDev->pen.style == PS_NULL) return FALSE;
switch (rop2)
{
case R2_BLACK :
val.foreground = BlackPixel( gdi_display, DefaultScreen(gdi_display) );
val.function = GXcopy;
break;
case R2_WHITE :
val.foreground = WhitePixel( gdi_display, DefaultScreen(gdi_display) );
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 = (WhitePixel( gdi_display, DefaultScreen(gdi_display) ) ^
BlackPixel( gdi_display, DefaultScreen(gdi_display) ));
val.function = GXxor;
break;
default :
val.foreground = physDev->pen.pixel;
val.function = X11DRV_XROPfunction[rop2-1];
}
val.background = X11DRV_PALETTE_ToPhysical( physDev, GetBkColor(physDev->dev.hdc) );
val.fill_style = FillSolid;
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;
}
if (physDev->pen.dash_len)
val.line_style = ((GetBkMode(physDev->dev.hdc) == OPAQUE) && (!physDev->pen.ext))
? LineDoubleDash : LineOnOffDash;
else
val.line_style = LineSolid;
if (physDev->pen.dash_len)
XSetDashes( gdi_display, physDev->gc, 0, physDev->pen.dashes, physDev->pen.dash_len );
XChangeGC( gdi_display, physDev->gc,
GCFunction | GCForeground | GCBackground | GCLineWidth |
GCLineStyle | GCCapStyle | GCJoinStyle | GCFillStyle, &val );
return TRUE;
}
/***********************************************************************
* X11DRV_XWStoDS
*
* Performs a world-to-viewport transformation on the specified width.
*/
INT X11DRV_XWStoDS( HDC hdc, INT width )
{
POINT pt[2];
pt[0].x = 0;
pt[0].y = 0;
pt[1].x = width;
pt[1].y = 0;
LPtoDP( hdc, pt, 2 );
return pt[1].x - pt[0].x;
}
/***********************************************************************
* X11DRV_YWStoDS
*
* Performs a world-to-viewport transformation on the specified height.
*/
INT X11DRV_YWStoDS( HDC hdc, INT height )
{
POINT pt[2];
pt[0].x = 0;
pt[0].y = 0;
pt[1].x = 0;
pt[1].y = height;
LPtoDP( hdc, pt, 2 );
return pt[1].y - pt[0].y;
}
/***********************************************************************
* X11DRV_LineTo
*/
BOOL X11DRV_LineTo( PHYSDEV dev, INT x, INT y )
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
POINT pt[2];
GetCurrentPositionEx( dev->hdc, &pt[0] );
pt[1].x = x;
pt[1].y = y;
LPtoDP( dev->hdc, pt, 2 );
add_pen_device_bounds( physDev, pt, 2 );
if (X11DRV_SetupGCForPen( physDev ))
XDrawLine(gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + pt[0].x, physDev->dc_rect.top + pt[0].y,
physDev->dc_rect.left + pt[1].x, physDev->dc_rect.top + pt[1].y );
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( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
INT xstart, INT ystart, INT xend, INT yend, INT lines )
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
INT xcenter, ycenter, istart_angle, idiff_angle;
INT width, oldwidth;
double start_angle, end_angle;
XPoint points[4];
POINT start, end;
RECT rc = get_device_rect( dev->hdc, left, top, right, bottom );
start.x = xstart;
start.y = ystart;
end.x = xend;
end.y = yend;
LPtoDP(dev->hdc, &start, 1);
LPtoDP(dev->hdc, &end, 1);
if ((rc.left == rc.right) || (rc.top == rc.bottom)
||(lines && ((rc.right-rc.left==1)||(rc.bottom-rc.top==1)))) return TRUE;
if (GetArcDirection( dev->hdc ) == AD_CLOCKWISE)
{ POINT tmp = start; start = end; end = 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 > (rc.right-rc.left)) width=(rc.right-rc.left + 1)/2;
if (2*width > (rc.bottom-rc.top)) width=(rc.bottom-rc.top + 1)/2;
rc.left += width / 2;
rc.right -= (width - 1) / 2;
rc.top += width / 2;
rc.bottom -= (width - 1) / 2;
}
if(width == 0) width = 1; /* more accurate */
physDev->pen.width = width;
xcenter = (rc.right + rc.left) / 2;
ycenter = (rc.bottom + rc.top) / 2;
start_angle = atan2( (double)(ycenter-start.y)*(rc.right-rc.left),
(double)(start.x-xcenter)*(rc.bottom-rc.top) );
end_angle = atan2( (double)(ycenter-end.y)*(rc.right-rc.left),
(double)(end.x-xcenter)*(rc.bottom-rc.top) );
if ((start.x==end.x)&&(start.y==end.y))
{ /* 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;
/* Fill arc with brush if Chord() or Pie() */
if ((lines > 0) && X11DRV_SetupGCForBrush( physDev )) {
XSetArcMode( gdi_display, physDev->gc, (lines==1) ? ArcChord : ArcPieSlice);
XFillArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left, physDev->dc_rect.top + rc.top,
rc.right-rc.left-1, rc.bottom-rc.top-1, istart_angle, idiff_angle );
}
/* Draw arc and lines */
if (X11DRV_SetupGCForPen( physDev ))
{
XDrawArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left, physDev->dc_rect.top + rc.top,
rc.right-rc.left-1, rc.bottom-rc.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(physDev->dc_rect.left + (rc.right+rc.left)/2.0 +
cos(start_angle) * (rc.right-rc.left-width*2+2) / 2. + 0.5);
points[0].y = (int) floor(physDev->dc_rect.top + (rc.top+rc.bottom)/2.0 -
sin(start_angle) * (rc.bottom-rc.top-width*2+2) / 2. + 0.5);
points[1].x = (int) floor(physDev->dc_rect.left + (rc.right+rc.left)/2.0 +
cos(end_angle) * (rc.right-rc.left-width*2+2) / 2. + 0.5);
points[1].y = (int) floor(physDev->dc_rect.top + (rc.top+rc.bottom)/2.0 -
sin(end_angle) * (rc.bottom-rc.top-width*2+2) / 2. + 0.5);
/* OK, this stuff is optimized for Xfree86
* which is probably the server most used by
* wine users. Other X servers will not
* display correctly. (eXceed for instance)
* so if you feel you must make changes, make sure that
* you either use Xfree86 or separate your changes
* from these (compile switch or whatever)
*/
if (lines == 2) {
INT dx1,dy1;
points[3] = points[1];
points[1].x = physDev->dc_rect.left + xcenter;
points[1].y = physDev->dc_rect.top + ycenter;
points[2] = points[1];
dx1=points[1].x-points[0].x;
dy1=points[1].y-points[0].y;
if(((rc.top-rc.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(((rc.right-rc.left) | -2) == -2) points[1].x--;
}
dx1=points[3].x-points[2].x;
dy1=points[3].y-points[2].y;
if(((rc.top-rc.bottom) | -2 ) == -2)
if(dy1 < 0) points[2].y--;
if( dx1<0){
if( dy1>0) points[3].y--;
if(((rc.right-rc.left) | -2) == -2 ) points[2].x--;
}else {
points[3].y--;
if( dx1 * 64 < dy1 * -37 ) points[3].x--;
}
lines++;
}
XDrawLines( gdi_display, physDev->drawable, physDev->gc,
points, lines+1, CoordModeOrigin );
}
}
physDev->pen.width = oldwidth;
add_pen_device_bounds( physDev, (POINT *)&rc, 2 );
return TRUE;
}
/***********************************************************************
* X11DRV_Arc
*/
BOOL X11DRV_Arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
INT xstart, INT ystart, INT xend, INT yend )
{
return X11DRV_DrawArc( dev, left, top, right, bottom, xstart, ystart, xend, yend, 0 );
}
/***********************************************************************
* X11DRV_Pie
*/
BOOL X11DRV_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
INT xstart, INT ystart, INT xend, INT yend )
{
return X11DRV_DrawArc( dev, left, top, right, bottom, xstart, ystart, xend, yend, 2 );
}
/***********************************************************************
* X11DRV_Chord
*/
BOOL X11DRV_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
INT xstart, INT ystart, INT xend, INT yend )
{
return X11DRV_DrawArc( dev, left, top, right, bottom, xstart, ystart, xend, yend, 1 );
}
/***********************************************************************
* X11DRV_Ellipse
*/
BOOL X11DRV_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
INT width, oldwidth;
RECT rc = get_device_rect( dev->hdc, left, top, right, bottom );
if ((rc.left == rc.right) || (rc.top == rc.bottom)) return TRUE;
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 > (rc.right-rc.left)) width=(rc.right-rc.left + 1)/2;
if (2*width > (rc.bottom-rc.top)) width=(rc.bottom-rc.top + 1)/2;
rc.left += width / 2;
rc.right -= (width - 1) / 2;
rc.top += width / 2;
rc.bottom -= (width - 1) / 2;
}
if(width == 0) width = 1; /* more accurate */
physDev->pen.width = width;
if (X11DRV_SetupGCForBrush( physDev ))
XFillArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left, physDev->dc_rect.top + rc.top,
rc.right-rc.left-1, rc.bottom-rc.top-1, 0, 360*64 );
if (X11DRV_SetupGCForPen( physDev ))
XDrawArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left, physDev->dc_rect.top + rc.top,
rc.right-rc.left-1, rc.bottom-rc.top-1, 0, 360*64 );
physDev->pen.width = oldwidth;
add_pen_device_bounds( physDev, (POINT *)&rc, 2 );
return TRUE;
}
/***********************************************************************
* X11DRV_Rectangle
*/
BOOL X11DRV_Rectangle(PHYSDEV dev, INT left, INT top, INT right, INT bottom)
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
INT width, oldwidth, oldjoinstyle;
RECT rc = get_device_rect( dev->hdc, left, top, right, bottom );
TRACE("(%d %d %d %d)\n", left, top, right, bottom);
if ((rc.left == rc.right) || (rc.top == rc.bottom)) return TRUE;
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 > (rc.right-rc.left)) width=(rc.right-rc.left + 1)/2;
if (2*width > (rc.bottom-rc.top)) width=(rc.bottom-rc.top + 1)/2;
rc.left += width / 2;
rc.right -= (width - 1) / 2;
rc.top += width / 2;
rc.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;
rc.right--;
rc.bottom--;
if ((rc.right >= rc.left + width) && (rc.bottom >= rc.top + width))
{
if (X11DRV_SetupGCForBrush( physDev ))
XFillRectangle( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left + (width + 1) / 2,
physDev->dc_rect.top + rc.top + (width + 1) / 2,
rc.right-rc.left-width, rc.bottom-rc.top-width);
}
if (X11DRV_SetupGCForPen( physDev ))
XDrawRectangle( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left, physDev->dc_rect.top + rc.top,
rc.right-rc.left, rc.bottom-rc.top );
physDev->pen.width = oldwidth;
physDev->pen.linejoin = oldjoinstyle;
add_pen_device_bounds( physDev, (POINT *)&rc, 2 );
return TRUE;
}
/***********************************************************************
* X11DRV_RoundRect
*/
BOOL X11DRV_RoundRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
INT ell_width, INT ell_height )
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
INT width, oldwidth, oldendcap;
POINT pts[2];
RECT rc = get_device_rect( dev->hdc, left, top, right, bottom );
TRACE("(%d %d %d %d %d %d\n",
left, top, right, bottom, ell_width, ell_height);
if ((rc.left == rc.right) || (rc.top == rc.bottom))
return TRUE;
/* Make sure ell_width and ell_height are >= 1 otherwise XDrawArc gets
called with width/height < 0 */
pts[0].x = pts[0].y = 0;
pts[1].x = ell_width;
pts[1].y = ell_height;
LPtoDP(dev->hdc, pts, 2);
ell_width = max(abs( pts[1].x - pts[0].x ), 1);
ell_height = max(abs( pts[1].y - pts[0].y ), 1);
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 > (rc.right-rc.left)) width=(rc.right-rc.left + 1)/2;
if (2*width > (rc.bottom-rc.top)) width=(rc.bottom-rc.top + 1)/2;
rc.left += width / 2;
rc.right -= (width - 1) / 2;
rc.top += width / 2;
rc.bottom -= (width - 1) / 2;
}
if(width == 0) width = 1;
physDev->pen.width = width;
physDev->pen.endcap = PS_ENDCAP_SQUARE;
if (X11DRV_SetupGCForBrush( physDev ))
{
if (ell_width > (rc.right-rc.left) )
if (ell_height > (rc.bottom-rc.top) )
XFillArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left, physDev->dc_rect.top + rc.top,
rc.right - rc.left - 1, rc.bottom - rc.top - 1,
0, 360 * 64 );
else{
XFillArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left, physDev->dc_rect.top + rc.top,
rc.right - rc.left - 1, ell_height, 0, 180 * 64 );
XFillArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left,
physDev->dc_rect.top + rc.bottom - ell_height - 1,
rc.right - rc.left - 1, ell_height, 180 * 64,
180 * 64 );
}
else if (ell_height > (rc.bottom-rc.top) ){
XFillArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left, physDev->dc_rect.top + rc.top,
ell_width, rc.bottom - rc.top - 1, 90 * 64, 180 * 64 );
XFillArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.right - ell_width - 1, physDev->dc_rect.top + rc.top,
ell_width, rc.bottom - rc.top - 1, 270 * 64, 180 * 64 );
}else{
XFillArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left, physDev->dc_rect.top + rc.top,
ell_width, ell_height, 90 * 64, 90 * 64 );
XFillArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left,
physDev->dc_rect.top + rc.bottom - ell_height - 1,
ell_width, ell_height, 180 * 64, 90 * 64 );
XFillArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.right - ell_width - 1,
physDev->dc_rect.top + rc.bottom - ell_height - 1,
ell_width, ell_height, 270 * 64, 90 * 64 );
XFillArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.right - ell_width - 1,
physDev->dc_rect.top + rc.top,
ell_width, ell_height, 0, 90 * 64 );
}
if (ell_width < rc.right - rc.left)
{
XFillRectangle( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left + (ell_width + 1) / 2,
physDev->dc_rect.top + rc.top + 1,
rc.right - rc.left - ell_width - 1,
(ell_height + 1) / 2 - 1);
XFillRectangle( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left + (ell_width + 1) / 2,
physDev->dc_rect.top + rc.bottom - (ell_height) / 2 - 1,
rc.right - rc.left - ell_width - 1,
(ell_height) / 2 );
}
if (ell_height < rc.bottom - rc.top)
{
XFillRectangle( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left + 1,
physDev->dc_rect.top + rc.top + (ell_height + 1) / 2,
rc.right - rc.left - 2,
rc.bottom - rc.top - ell_height - 1);
}
}
/* 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( physDev ))
{
if (ell_width > (rc.right-rc.left) )
if (ell_height > (rc.bottom-rc.top) )
XDrawArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left, physDev->dc_rect.top + rc.top,
rc.right - rc.left - 1, rc.bottom - rc.top - 1, 0 , 360 * 64 );
else{
XDrawArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left, physDev->dc_rect.top + rc.top,
rc.right - rc.left - 1, ell_height - 1, 0 , 180 * 64 );
XDrawArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left,
physDev->dc_rect.top + rc.bottom - ell_height,
rc.right - rc.left - 1, ell_height - 1, 180 * 64 , 180 * 64 );
}
else if (ell_height > (rc.bottom-rc.top) ){
XDrawArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left, physDev->dc_rect.top + rc.top,
ell_width - 1 , rc.bottom - rc.top - 1, 90 * 64 , 180 * 64 );
XDrawArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.right - ell_width,
physDev->dc_rect.top + rc.top,
ell_width - 1 , rc.bottom - rc.top - 1, 270 * 64 , 180 * 64 );
}else{
XDrawArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left, physDev->dc_rect.top + rc.top,
ell_width - 1, ell_height - 1, 90 * 64, 90 * 64 );
XDrawArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left, physDev->dc_rect.top + rc.bottom - ell_height,
ell_width - 1, ell_height - 1, 180 * 64, 90 * 64 );
XDrawArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.right - ell_width,
physDev->dc_rect.top + rc.bottom - ell_height,
ell_width - 1, ell_height - 1, 270 * 64, 90 * 64 );
XDrawArc( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.right - ell_width, physDev->dc_rect.top + rc.top,
ell_width - 1, ell_height - 1, 0, 90 * 64 );
}
if (ell_width < rc.right - rc.left)
{
XDrawLine( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left + ell_width / 2,
physDev->dc_rect.top + rc.top,
physDev->dc_rect.left + rc.right - (ell_width+1) / 2,
physDev->dc_rect.top + rc.top);
XDrawLine( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left + ell_width / 2 ,
physDev->dc_rect.top + rc.bottom - 1,
physDev->dc_rect.left + rc.right - (ell_width+1)/ 2,
physDev->dc_rect.top + rc.bottom - 1);
}
if (ell_height < rc.bottom - rc.top)
{
XDrawLine( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.right - 1,
physDev->dc_rect.top + rc.top + ell_height / 2,
physDev->dc_rect.left + rc.right - 1,
physDev->dc_rect.top + rc.bottom - (ell_height+1) / 2);
XDrawLine( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + rc.left,
physDev->dc_rect.top + rc.top + ell_height / 2,
physDev->dc_rect.left + rc.left,
physDev->dc_rect.top + rc.bottom - (ell_height+1) / 2);
}
}
physDev->pen.width = oldwidth;
physDev->pen.endcap = oldendcap;
add_pen_device_bounds( physDev, (POINT *)&rc, 2 );
return TRUE;
}
/***********************************************************************
* X11DRV_SetPixel
*/
COLORREF X11DRV_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
unsigned long pixel;
POINT pt;
RECT rect;
pt.x = x;
pt.y = y;
LPtoDP( dev->hdc, &pt, 1 );
pixel = X11DRV_PALETTE_ToPhysical( physDev, color );
XSetForeground( gdi_display, physDev->gc, pixel );
XSetFunction( gdi_display, physDev->gc, GXcopy );
XDrawPoint( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + pt.x, physDev->dc_rect.top + pt.y );
SetRect( &rect, pt.x, pt.y, pt.x + 1, pt.y + 1 );
add_device_bounds( physDev, &rect );
return X11DRV_PALETTE_ToLogical(physDev, pixel);
}
/***********************************************************************
* X11DRV_PaintRgn
*/
BOOL X11DRV_PaintRgn( PHYSDEV dev, HRGN hrgn )
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
RECT rc;
if (X11DRV_SetupGCForBrush( physDev ))
{
unsigned int i;
XRectangle *rect;
RGNDATA *data = X11DRV_GetRegionData( hrgn, dev->hdc );
if (!data) return FALSE;
rect = (XRectangle *)data->Buffer;
for (i = 0; i < data->rdh.nCount; i++)
{
rect[i].x += physDev->dc_rect.left;
rect[i].y += physDev->dc_rect.top;
}
XFillRectangles( gdi_display, physDev->drawable, physDev->gc, rect, data->rdh.nCount );
HeapFree( GetProcessHeap(), 0, data );
}
if (GetRgnBox( hrgn, &rc ))
{
LPtoDP( dev->hdc, (POINT *)&rc, 2 );
add_device_bounds( physDev, &rc );
}
return TRUE;
}
/**********************************************************************
* X11DRV_Polygon
*/
BOOL X11DRV_Polygon( PHYSDEV dev, const POINT* pt, INT count )
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
int i;
POINT *points;
XPoint *xpoints;
points = HeapAlloc( GetProcessHeap(), 0, count * sizeof(*pt) );
if (!points) return FALSE;
memcpy( points, pt, count * sizeof(*pt) );
LPtoDP( dev->hdc, points, count );
add_pen_device_bounds( physDev, points, count );
if (!(xpoints = HeapAlloc( GetProcessHeap(), 0, sizeof(XPoint) * (count+1) )))
{
HeapFree( GetProcessHeap(), 0, points );
return FALSE;
}
for (i = 0; i < count; i++)
{
xpoints[i].x = physDev->dc_rect.left + points[i].x;
xpoints[i].y = physDev->dc_rect.top + points[i].y;
}
xpoints[count] = xpoints[0];
if (X11DRV_SetupGCForBrush( physDev ))
XFillPolygon( gdi_display, physDev->drawable, physDev->gc,
xpoints, count+1, Complex, CoordModeOrigin);
if (X11DRV_SetupGCForPen ( physDev ))
XDrawLines( gdi_display, physDev->drawable, physDev->gc,
xpoints, count+1, CoordModeOrigin );
HeapFree( GetProcessHeap(), 0, xpoints );
HeapFree( GetProcessHeap(), 0, points );
return TRUE;
}
/**********************************************************************
* X11DRV_PolyPolygon
*/
BOOL X11DRV_PolyPolygon( PHYSDEV dev, const POINT* pt, const INT* counts, UINT polygons )
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
DWORD total = 0, max = 0, pos, i;
POINT *points;
BOOL ret = FALSE;
for (i = 0; i < polygons; i++)
{
if (counts[i] < 2) return FALSE;
if (counts[i] > max) max = counts[i];
total += counts[i];
}
points = HeapAlloc( GetProcessHeap(), 0, total * sizeof(*pt) );
if (!points) return FALSE;
memcpy( points, pt, total * sizeof(*pt) );
LPtoDP( dev->hdc, points, total );
add_pen_device_bounds( physDev, points, total );
if (X11DRV_SetupGCForBrush( physDev ))
{
XRectangle *rect;
HRGN hrgn = CreatePolyPolygonRgn( points, counts, polygons, GetPolyFillMode( dev->hdc ) );
RGNDATA *data = X11DRV_GetRegionData( hrgn, 0 );
DeleteObject( hrgn );
if (!data) goto done;
rect = (XRectangle *)data->Buffer;
for (i = 0; i < data->rdh.nCount; i++)
{
rect[i].x += physDev->dc_rect.left;
rect[i].y += physDev->dc_rect.top;
}
XFillRectangles( gdi_display, physDev->drawable, physDev->gc, rect, data->rdh.nCount );
HeapFree( GetProcessHeap(), 0, data );
}
if (X11DRV_SetupGCForPen ( physDev ))
{
XPoint *xpoints;
int j;
if (!(xpoints = HeapAlloc( GetProcessHeap(), 0, sizeof(XPoint) * (max + 1) ))) goto done;
for (i = pos = 0; i < polygons; pos += counts[i++])
{
for (j = 0; j < counts[i]; j++)
{
xpoints[j].x = physDev->dc_rect.left + points[pos + j].x;
xpoints[j].y = physDev->dc_rect.top + points[pos + j].y;
}
xpoints[j] = xpoints[0];
XDrawLines( gdi_display, physDev->drawable, physDev->gc, xpoints, j + 1, CoordModeOrigin );
}
HeapFree( GetProcessHeap(), 0, xpoints );
}
ret = TRUE;
done:
HeapFree( GetProcessHeap(), 0, points );
return ret;
}
/**********************************************************************
* X11DRV_PolyPolyline
*/
BOOL X11DRV_PolyPolyline( PHYSDEV dev, const POINT* pt, const DWORD* counts, DWORD polylines )
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
DWORD total = 0, max = 0, pos, i, j;
POINT *points;
for (i = 0; i < polylines; i++)
{
if (counts[i] < 2) return FALSE;
if (counts[i] > max) max = counts[i];
total += counts[i];
}
points = HeapAlloc( GetProcessHeap(), 0, total * sizeof(*pt) );
if (!points) return FALSE;
memcpy( points, pt, total * sizeof(*pt) );
LPtoDP( dev->hdc, points, total );
add_pen_device_bounds( physDev, points, total );
if (X11DRV_SetupGCForPen ( physDev ))
{
XPoint *xpoints;
if (!(xpoints = HeapAlloc( GetProcessHeap(), 0, sizeof(XPoint) * max )))
{
HeapFree( GetProcessHeap(), 0, points );
return FALSE;
}
for (i = pos = 0; i < polylines; pos += counts[i++])
{
for (j = 0; j < counts[i]; j++)
{
xpoints[j].x = physDev->dc_rect.left + points[pos + j].x;
xpoints[j].y = physDev->dc_rect.top + points[pos + j].y;
}
XDrawLines( gdi_display, physDev->drawable, physDev->gc, xpoints, j, CoordModeOrigin );
}
HeapFree( GetProcessHeap(), 0, xpoints );
}
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, X11DRV_PDEVICE *physDev,
int x, int y,
int xOrg, int yOrg,
unsigned long pixel, WORD fillType, RECT *bounds )
{
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++;
bounds->left = min( bounds->left, left );
bounds->top = min( bounds->top, y );
bounds->right = max( bounds->right, right );
bounds->bottom = max( bounds->bottom, y + 1 );
XFillRectangle( gdi_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, physDev, x-1, y,
xOrg, yOrg, pixel, fillType, bounds );
}
}
/* 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, physDev, x-1, y,
xOrg, yOrg, pixel, fillType, bounds );
}
}
#undef TO_FLOOD
}
static int ExtFloodFillXGetImageErrorHandler( Display *dpy, XErrorEvent *event, void *arg )
{
return (event->request_code == X_GetImage && event->error_code == BadMatch);
}
/**********************************************************************
* X11DRV_ExtFloodFill
*/
BOOL X11DRV_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT fillType )
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
XImage *image;
RECT rect, bounds;
POINT pt;
TRACE("X11DRV_ExtFloodFill %d,%d %06x %d\n", x, y, color, fillType );
pt.x = x;
pt.y = y;
LPtoDP( dev->hdc, &pt, 1 );
if (!physDev->region)
{
rect.left = 0;
rect.top = 0;
rect.right = physDev->dc_rect.right - physDev->dc_rect.left;
rect.bottom = physDev->dc_rect.bottom - physDev->dc_rect.top;
}
else
{
if (!PtInRegion( physDev->region, pt.x, pt.y )) return FALSE;
GetRgnBox( physDev->region, &rect );
rect.left = max( rect.left, 0 );
rect.top = max( rect.top, 0 );
rect.right = min( rect.right, physDev->dc_rect.right - physDev->dc_rect.left );
rect.bottom = min( rect.bottom, physDev->dc_rect.bottom - physDev->dc_rect.top );
}
if (pt.x < rect.left || pt.x >= rect.right || pt.y < rect.top || pt.y >= rect.bottom) return FALSE;
X11DRV_expect_error( gdi_display, ExtFloodFillXGetImageErrorHandler, NULL );
image = XGetImage( gdi_display, physDev->drawable,
physDev->dc_rect.left + rect.left, physDev->dc_rect.top + rect.top,
rect.right - rect.left, rect.bottom - rect.top,
AllPlanes, ZPixmap );
if(X11DRV_check_error()) image = NULL;
if (!image) return FALSE;
if (X11DRV_SetupGCForBrush( physDev ))
{
unsigned long pixel = X11DRV_PALETTE_ToPhysical( physDev, color );
reset_bounds( &bounds );
X11DRV_InternalFloodFill(image, physDev,
pt.x - rect.left,
pt.y - rect.top,
physDev->dc_rect.left + rect.left,
physDev->dc_rect.top + rect.top,
pixel, fillType, &bounds );
OffsetRect( &bounds, rect.left, rect.top );
add_device_bounds( physDev, &bounds );
}
XDestroyImage( image );
return TRUE;
}
/**********************************************************************
* X11DRV_GradientFill
*/
BOOL X11DRV_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert,
void *grad_array, ULONG ngrad, ULONG mode )
{
X11DRV_PDEVICE *physdev = get_x11drv_dev( dev );
const GRADIENT_RECT *rect = grad_array;
TRIVERTEX v[2];
POINT pt[2];
RECT rc, bounds;
unsigned int i;
XGCValues val;
/* <= 16-bpp use dithering */
if (physdev->depth <= 16) goto fallback;
switch (mode)
{
case GRADIENT_FILL_RECT_H:
val.function = GXcopy;
val.fill_style = FillSolid;
val.line_width = 1;
val.cap_style = CapNotLast;
val.line_style = LineSolid;
XChangeGC( gdi_display, physdev->gc,
GCFunction | GCLineWidth | GCLineStyle | GCCapStyle | GCFillStyle, &val );
reset_bounds( &bounds );
for (i = 0; i < ngrad; i++, rect++)
{
int x, dx;
v[0] = vert_array[rect->UpperLeft];
v[1] = vert_array[rect->LowerRight];
pt[0].x = v[0].x;
pt[0].y = v[0].y;
pt[1].x = v[1].x;
pt[1].y = v[1].y;
LPtoDP( dev->hdc, pt, 2 );
dx = pt[1].x - pt[0].x;
if (!dx) continue;
if (dx < 0) /* swap the colors */
{
v[0] = vert_array[rect->LowerRight];
v[1] = vert_array[rect->UpperLeft];
dx = -dx;
}
rc.left = min( pt[0].x, pt[1].x );
rc.top = min( pt[0].y, pt[1].y );
rc.right = max( pt[0].x, pt[1].x );
rc.bottom = max( pt[0].y, pt[1].y );
add_bounds_rect( &bounds, &rc );
for (x = 0; x < dx; x++)
{
int color = X11DRV_PALETTE_ToPhysical( physdev,
RGB( (v[0].Red * (dx - x) + v[1].Red * x) / dx / 256,
(v[0].Green * (dx - x) + v[1].Green * x) / dx / 256,
(v[0].Blue * (dx - x) + v[1].Blue * x) / dx / 256) );
XSetForeground( gdi_display, physdev->gc, color );
XDrawLine( gdi_display, physdev->drawable, physdev->gc,
physdev->dc_rect.left + rc.left + x, physdev->dc_rect.top + rc.top,
physdev->dc_rect.left + rc.left + x, physdev->dc_rect.top + rc.bottom );
}
}
add_device_bounds( physdev, &bounds );
return TRUE;
case GRADIENT_FILL_RECT_V:
val.function = GXcopy;
val.fill_style = FillSolid;
val.line_width = 1;
val.cap_style = CapNotLast;
val.line_style = LineSolid;
XChangeGC( gdi_display, physdev->gc,
GCFunction | GCLineWidth | GCLineStyle | GCCapStyle | GCFillStyle, &val );
reset_bounds( &bounds );
for (i = 0; i < ngrad; i++, rect++)
{
int y, dy;
v[0] = vert_array[rect->UpperLeft];
v[1] = vert_array[rect->LowerRight];
pt[0].x = v[0].x;
pt[0].y = v[0].y;
pt[1].x = v[1].x;
pt[1].y = v[1].y;
LPtoDP( dev->hdc, pt, 2 );
dy = pt[1].y - pt[0].y;
if (!dy) continue;
if (dy < 0) /* swap the colors */
{
v[0] = vert_array[rect->LowerRight];
v[1] = vert_array[rect->UpperLeft];
dy = -dy;
}
rc.left = min( pt[0].x, pt[1].x );
rc.top = min( pt[0].y, pt[1].y );
rc.right = max( pt[0].x, pt[1].x );
rc.bottom = max( pt[0].y, pt[1].y );
add_bounds_rect( &bounds, &rc );
for (y = 0; y < dy; y++)
{
int color = X11DRV_PALETTE_ToPhysical( physdev,
RGB( (v[0].Red * (dy - y) + v[1].Red * y) / dy / 256,
(v[0].Green * (dy - y) + v[1].Green * y) / dy / 256,
(v[0].Blue * (dy - y) + v[1].Blue * y) / dy / 256) );
XSetForeground( gdi_display, physdev->gc, color );
XDrawLine( gdi_display, physdev->drawable, physdev->gc,
physdev->dc_rect.left + rc.left, physdev->dc_rect.top + rc.top + y,
physdev->dc_rect.left + rc.right, physdev->dc_rect.top + rc.top + y );
}
}
add_device_bounds( physdev, &bounds );
return TRUE;
}
fallback:
dev = GET_NEXT_PHYSDEV( dev, pGradientFill );
return dev->funcs->pGradientFill( dev, vert_array, nvert, grad_array, ngrad, mode );
}
static unsigned char *get_icm_profile( unsigned long *size )
{
Atom type;
int format;
unsigned long count, remaining;
unsigned char *profile, *ret = NULL;
XGetWindowProperty( gdi_display, DefaultRootWindow(gdi_display),
x11drv_atom(_ICC_PROFILE), 0, ~0UL, False, AnyPropertyType,
&type, &format, &count, &remaining, &profile );
*size = get_property_size( format, count );
if (format && count)
{
if ((ret = HeapAlloc( GetProcessHeap(), 0, *size ))) memcpy( ret, profile, *size );
XFree( profile );
}
return ret;
}
typedef struct
{
unsigned int unknown[6];
unsigned int state[5];
unsigned int count[2];
unsigned char buffer[64];
} sha_ctx;
extern void WINAPI A_SHAInit( sha_ctx * );
extern void WINAPI A_SHAUpdate( sha_ctx *, const unsigned char *, unsigned int );
extern void WINAPI A_SHAFinal( sha_ctx *, unsigned char * );
static const WCHAR mntr_key[] =
{'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s',' ','N','T','\\','C','u','r','r','e','n','t',
'V','e','r','s','i','o','n','\\','I','C','M','\\','m','n','t','r',0};
static const WCHAR color_path[] =
{'\\','s','p','o','o','l','\\','d','r','i','v','e','r','s','\\','c','o','l','o','r','\\',0};
/***********************************************************************
* GetICMProfile (X11DRV.@)
*/
BOOL X11DRV_GetICMProfile( PHYSDEV dev, LPDWORD size, LPWSTR filename )
{
static const WCHAR srgb[] =
{'s','R','G','B',' ','C','o','l','o','r',' ','S','p','a','c','e',' ',
'P','r','o','f','i','l','e','.','i','c','m',0};
HKEY hkey;
DWORD required, len;
WCHAR profile[MAX_PATH], fullname[2*MAX_PATH + sizeof(color_path)/sizeof(WCHAR)];
unsigned char *buffer;
unsigned long buflen;
if (!size) return FALSE;
GetSystemDirectoryW( fullname, MAX_PATH );
strcatW( fullname, color_path );
len = sizeof(profile)/sizeof(WCHAR);
if (!RegCreateKeyExW( HKEY_LOCAL_MACHINE, mntr_key, 0, NULL, 0, KEY_ALL_ACCESS, NULL, &hkey, NULL ) &&
!RegEnumValueW( hkey, 0, profile, &len, NULL, NULL, NULL, NULL )) /* FIXME handle multiple values */
{
strcatW( fullname, profile );
RegCloseKey( hkey );
}
else if ((buffer = get_icm_profile( &buflen )))
{
static const WCHAR fmt[] = {'%','0','2','x',0};
static const WCHAR icm[] = {'.','i','c','m',0};
unsigned char sha1sum[20];
unsigned int i;
sha_ctx ctx;
HANDLE file;
A_SHAInit( &ctx );
A_SHAUpdate( &ctx, buffer, buflen );
A_SHAFinal( &ctx, sha1sum );
for (i = 0; i < sizeof(sha1sum); i++) sprintfW( &profile[i * 2], fmt, sha1sum[i] );
memcpy( &profile[i * 2], icm, sizeof(icm) );
strcatW( fullname, profile );
file = CreateFileW( fullname, GENERIC_WRITE, 0, NULL, CREATE_NEW, 0, 0 );
if (file != INVALID_HANDLE_VALUE)
{
DWORD written;
if (!WriteFile( file, buffer, buflen, &written, NULL ) || written != buflen)
ERR( "Unable to write color profile\n" );
CloseHandle( file );
}
HeapFree( GetProcessHeap(), 0, buffer );
}
else strcatW( fullname, srgb );
required = strlenW( fullname ) + 1;
if (*size < required)
{
*size = required;
SetLastError( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
if (filename)
{
strcpyW( filename, fullname );
if (GetFileAttributesW( filename ) == INVALID_FILE_ATTRIBUTES)
WARN( "color profile not found\n" );
}
*size = required;
return TRUE;
}
/***********************************************************************
* EnumICMProfiles (X11DRV.@)
*/
INT X11DRV_EnumICMProfiles( PHYSDEV dev, ICMENUMPROCW proc, LPARAM lparam )
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
HKEY hkey;
DWORD len_sysdir, len_path, len, index = 0;
WCHAR sysdir[MAX_PATH], *profile;
LONG res;
INT ret;
TRACE("%p, %p, %ld\n", physDev, proc, lparam);
if (RegOpenKeyExW( HKEY_LOCAL_MACHINE, mntr_key, 0, KEY_ALL_ACCESS, &hkey ))
return -1;
len_sysdir = GetSystemDirectoryW( sysdir, MAX_PATH );
len_path = len_sysdir + sizeof(color_path) / sizeof(color_path[0]) - 1;
len = 64;
for (;;)
{
if (!(profile = HeapAlloc( GetProcessHeap(), 0, (len_path + len) * sizeof(WCHAR) )))
{
RegCloseKey( hkey );
return -1;
}
res = RegEnumValueW( hkey, index, profile + len_path, &len, NULL, NULL, NULL, NULL );
while (res == ERROR_MORE_DATA)
{
len *= 2;
HeapFree( GetProcessHeap(), 0, profile );
if (!(profile = HeapAlloc( GetProcessHeap(), 0, (len_path + len) * sizeof(WCHAR) )))
{
RegCloseKey( hkey );
return -1;
}
res = RegEnumValueW( hkey, index, profile + len_path, &len, NULL, NULL, NULL, NULL );
}
if (res != ERROR_SUCCESS)
{
HeapFree( GetProcessHeap(), 0, profile );
break;
}
memcpy( profile, sysdir, len_sysdir * sizeof(WCHAR) );
memcpy( profile + len_sysdir, color_path, sizeof(color_path) - sizeof(WCHAR) );
ret = proc( profile, lparam );
HeapFree( GetProcessHeap(), 0, profile );
if (!ret) break;
index++;
}
RegCloseKey( hkey );
return -1;
}
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