#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "Xlibint.h"
#include "Cr.h"
static XGCValues const initial_GC = {
GXcopy,
AllPlanes,
0L,
1L,
0,
LineSolid,
CapButt,
JoinMiter,
FillSolid,
EvenOddRule,
ArcPieSlice,
(Pixmap)~0L,
(Pixmap)~0L,
0,
0,
(Font)~0L,
ClipByChildren,
True,
0,
0,
None,
0,
4
};
static void _XGenerateGCList(
register Display *dpy,
GC gc,
xReq *req);
GC XCreateGC (
register Display *dpy,
Drawable d,
unsigned long valuemask,
XGCValues *values)
{
register GC gc;
register xCreateGCReq *req;
register _XExtension *ext;
LockDisplay(dpy);
if ((gc = (GC)Xmalloc (sizeof(struct _XGC))) == NULL) {
UnlockDisplay(dpy);
SyncHandle();
return (NULL);
}
gc->rects = 0;
gc->dashes = 0;
gc->ext_data = NULL;
gc->values = initial_GC;
gc->dirty = 0L;
valuemask &= (1L << (GCLastBit + 1)) - 1;
if (valuemask) _XUpdateGCCache (gc, valuemask, values);
GetReq(CreateGC, req);
req->drawable = d;
req->gc = gc->gid = XAllocID(dpy);
if ((req->mask = gc->dirty))
_XGenerateGCList (dpy, gc, (xReq *) req);
for (ext = dpy->ext_procs; ext; ext = ext->next)
if (ext->create_GC) (*ext->create_GC)(dpy, gc, &ext->codes);
gc->dirty = 0L;
UnlockDisplay(dpy);
SyncHandle();
return (gc);
}
static void
_XGenerateGCList (
register Display *dpy,
GC gc,
xReq *req)
{
unsigned long values[32];
register unsigned long *value = values;
long nvalues;
register XGCValues *gv = &gc->values;
register unsigned long dirty = gc->dirty;
if (dirty & GCFunction) *value++ = gv->function;
if (dirty & GCPlaneMask) *value++ = gv->plane_mask;
if (dirty & GCForeground) *value++ = gv->foreground;
if (dirty & GCBackground) *value++ = gv->background;
if (dirty & GCLineWidth) *value++ = gv->line_width;
if (dirty & GCLineStyle) *value++ = gv->line_style;
if (dirty & GCCapStyle) *value++ = gv->cap_style;
if (dirty & GCJoinStyle) *value++ = gv->join_style;
if (dirty & GCFillStyle) *value++ = gv->fill_style;
if (dirty & GCFillRule) *value++ = gv->fill_rule;
if (dirty & GCTile) *value++ = gv->tile;
if (dirty & GCStipple) *value++ = gv->stipple;
if (dirty & GCTileStipXOrigin) *value++ = gv->ts_x_origin;
if (dirty & GCTileStipYOrigin) *value++ = gv->ts_y_origin;
if (dirty & GCFont) *value++ = gv->font;
if (dirty & GCSubwindowMode) *value++ = gv->subwindow_mode;
if (dirty & GCGraphicsExposures) *value++ = gv->graphics_exposures;
if (dirty & GCClipXOrigin) *value++ = gv->clip_x_origin;
if (dirty & GCClipYOrigin) *value++ = gv->clip_y_origin;
if (dirty & GCClipMask) *value++ = gv->clip_mask;
if (dirty & GCDashOffset) *value++ = gv->dash_offset;
if (dirty & GCDashList) *value++ = gv->dashes;
if (dirty & GCArcMode) *value++ = gv->arc_mode;
req->length += (nvalues = value - values);
nvalues <<= 2;
Data32 (dpy, (long *) values, nvalues);
}
int
_XUpdateGCCache (
register GC gc,
register unsigned long mask,
register XGCValues *attr)
{
register XGCValues *gv = &gc->values;
if (mask & GCFunction)
if (gv->function != attr->function) {
gv->function = attr->function;
gc->dirty |= GCFunction;
}
if (mask & GCPlaneMask)
if (gv->plane_mask != attr->plane_mask) {
gv->plane_mask = attr->plane_mask;
gc->dirty |= GCPlaneMask;
}
if (mask & GCForeground)
if (gv->foreground != attr->foreground) {
gv->foreground = attr->foreground;
gc->dirty |= GCForeground;
}
if (mask & GCBackground)
if (gv->background != attr->background) {
gv->background = attr->background;
gc->dirty |= GCBackground;
}
if (mask & GCLineWidth)
if (gv->line_width != attr->line_width) {
gv->line_width = attr->line_width;
gc->dirty |= GCLineWidth;
}
if (mask & GCLineStyle)
if (gv->line_style != attr->line_style) {
gv->line_style = attr->line_style;
gc->dirty |= GCLineStyle;
}
if (mask & GCCapStyle)
if (gv->cap_style != attr->cap_style) {
gv->cap_style = attr->cap_style;
gc->dirty |= GCCapStyle;
}
if (mask & GCJoinStyle)
if (gv->join_style != attr->join_style) {
gv->join_style = attr->join_style;
gc->dirty |= GCJoinStyle;
}
if (mask & GCFillStyle)
if (gv->fill_style != attr->fill_style) {
gv->fill_style = attr->fill_style;
gc->dirty |= GCFillStyle;
}
if (mask & GCFillRule)
if (gv->fill_rule != attr->fill_rule) {
gv->fill_rule = attr->fill_rule;
gc->dirty |= GCFillRule;
}
if (mask & GCArcMode)
if (gv->arc_mode != attr->arc_mode) {
gv->arc_mode = attr->arc_mode;
gc->dirty |= GCArcMode;
}
if (mask & GCTile) {
gv->tile = attr->tile;
gc->dirty |= GCTile;
}
if (mask & GCStipple) {
gv->stipple = attr->stipple;
gc->dirty |= GCStipple;
}
if (mask & GCTileStipXOrigin)
if (gv->ts_x_origin != attr->ts_x_origin) {
gv->ts_x_origin = attr->ts_x_origin;
gc->dirty |= GCTileStipXOrigin;
}
if (mask & GCTileStipYOrigin)
if (gv->ts_y_origin != attr->ts_y_origin) {
gv->ts_y_origin = attr->ts_y_origin;
gc->dirty |= GCTileStipYOrigin;
}
if (mask & GCFont)
if (gv->font != attr->font) {
gv->font = attr->font;
gc->dirty |= GCFont;
}
if (mask & GCSubwindowMode)
if (gv->subwindow_mode != attr->subwindow_mode) {
gv->subwindow_mode = attr->subwindow_mode;
gc->dirty |= GCSubwindowMode;
}
if (mask & GCGraphicsExposures)
if (gv->graphics_exposures != attr->graphics_exposures) {
gv->graphics_exposures = attr->graphics_exposures;
gc->dirty |= GCGraphicsExposures;
}
if (mask & GCClipXOrigin)
if (gv->clip_x_origin != attr->clip_x_origin) {
gv->clip_x_origin = attr->clip_x_origin;
gc->dirty |= GCClipXOrigin;
}
if (mask & GCClipYOrigin)
if (gv->clip_y_origin != attr->clip_y_origin) {
gv->clip_y_origin = attr->clip_y_origin;
gc->dirty |= GCClipYOrigin;
}
if (mask & GCClipMask) {
gv->clip_mask = attr->clip_mask;
gc->dirty |= GCClipMask;
gc->rects = 0;
}
if (mask & GCDashOffset)
if (gv->dash_offset != attr->dash_offset) {
gv->dash_offset = attr->dash_offset;
gc->dirty |= GCDashOffset;
}
if (mask & GCDashList)
if ((gv->dashes != attr->dashes) || (gc->dashes == True)) {
gv->dashes = attr->dashes;
gc->dirty |= GCDashList;
gc->dashes = 0;
}
return 0;
}
void _XFlushGCCache(
Display *dpy,
GC gc)
{
register xChangeGCReq *req;
register _XExtension *ext;
if (gc->dirty) {
GetReq(ChangeGC, req);
req->gc = gc->gid;
req->mask = gc->dirty;
_XGenerateGCList (dpy, gc, (xReq *) req);
for (ext = dpy->ext_procs; ext; ext = ext->next)
if (ext->flush_GC) (*ext->flush_GC)(dpy, gc, &ext->codes);
gc->dirty = 0L;
}
}
void
XFlushGC(
Display *dpy,
GC gc)
{
FlushGC(dpy, gc);
}
GContext XGContextFromGC(GC gc)
{
return (gc->gid);
}