mirror of
https://github.com/X11Libre/xserver.git
synced 2026-10-18 00:42:40 +00:00
Initial revision
This commit is contained in:
Kaleb Keithley
parent
ded6147bfb
commit
9508a382f8
982 changed files with 479777 additions and 0 deletions
267
iplan2p4/iplfillarc.c
Normal file
267
iplan2p4/iplfillarc.c
Normal file
|
|
@ -0,0 +1,267 @@
|
|||
/* $XFree86: xc/programs/Xserver/iplan2p4/iplfillarc.c,v 3.0 1996/08/18 01:54:41 dawes Exp $ */
|
||||
/************************************************************
|
||||
|
||||
Copyright (c) 1989 X Consortium
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in
|
||||
all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
|
||||
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
|
||||
Except as contained in this notice, the name of the X Consortium shall not be
|
||||
used in advertising or otherwise to promote the sale, use or other dealings
|
||||
in this Software without prior written authorization from the X Consortium.
|
||||
|
||||
********************************************************/
|
||||
|
||||
/* $XConsortium: iplfillarc.c,v 5.15 94/04/17 20:28:47 dpw Exp $ */
|
||||
|
||||
/* Modified nov 94 by Martin Schaller (Martin_Schaller@maus.r.de) for use with
|
||||
interleaved planes */
|
||||
|
||||
#include "X.h"
|
||||
#include "Xprotostr.h"
|
||||
#include "miscstruct.h"
|
||||
#include "gcstruct.h"
|
||||
#include "pixmapstr.h"
|
||||
#include "scrnintstr.h"
|
||||
#include "ipl.h"
|
||||
#include "mifillarc.h"
|
||||
#include "iplrrop.h"
|
||||
#include "mi.h"
|
||||
#include "iplmskbits.h"
|
||||
|
||||
static void
|
||||
INTER_RROP_NAME(iplFillEllipseSolid) (pDraw, pGC, arc)
|
||||
DrawablePtr pDraw;
|
||||
GCPtr pGC;
|
||||
xArc *arc;
|
||||
{
|
||||
int x, y, e;
|
||||
int yk, xk, ym, xm, dx, dy, xorg, yorg;
|
||||
miFillArcRec info;
|
||||
INTER_DECLAREG(*addrgt);
|
||||
INTER_DECLAREG(*addrgb);
|
||||
INTER_DECLAREG(*addrg);
|
||||
register int n;
|
||||
int ngwidth;
|
||||
INTER_RROP_DECLARE
|
||||
register int xpos;
|
||||
register int slw;
|
||||
INTER_DECLAREG(startmask);
|
||||
INTER_DECLAREG(endmask);
|
||||
int nlmiddle;
|
||||
|
||||
iplGetGroupWidthAndPointer (pDraw, ngwidth, addrgt);
|
||||
|
||||
INTER_RROP_FETCH_GC(pGC);
|
||||
miFillArcSetup(arc, &info);
|
||||
MIFILLARCSETUP();
|
||||
xorg += pDraw->x;
|
||||
yorg += pDraw->y;
|
||||
addrgb = addrgt;
|
||||
addrgt += ngwidth * (yorg - y);
|
||||
addrgb += ngwidth * (yorg + y + dy);
|
||||
while (y)
|
||||
{
|
||||
addrgt += ngwidth;
|
||||
addrgb -= ngwidth;
|
||||
MIFILLARCSTEP(slw);
|
||||
if (!slw)
|
||||
continue;
|
||||
xpos = xorg - x;
|
||||
addrg = addrgt + (xpos >> INTER_PGSH) * INTER_PLANES;
|
||||
if (((xpos & INTER_PIM) + slw) <= INTER_PPG)
|
||||
{
|
||||
INTER_maskpartialbits(xpos, slw, startmask);
|
||||
INTER_RROP_SOLID_MASK(addrg,startmask);
|
||||
if (miFillArcLower(slw))
|
||||
{
|
||||
addrg = addrgb + (xpos >> INTER_PGSH) * INTER_PLANES;
|
||||
INTER_RROP_SOLID_MASK(addrg, startmask);
|
||||
}
|
||||
continue;
|
||||
}
|
||||
INTER_maskbits(xpos, slw, startmask, endmask, nlmiddle);
|
||||
if (startmask)
|
||||
{
|
||||
INTER_RROP_SOLID_MASK(addrg, startmask);
|
||||
INTER_NEXT_GROUP(addrg);
|
||||
}
|
||||
n = nlmiddle;
|
||||
INTER_RROP_SPAN(addrg,n)
|
||||
|
||||
if (endmask)
|
||||
INTER_RROP_SOLID_MASK(addrg, endmask);
|
||||
if (!miFillArcLower(slw))
|
||||
continue;
|
||||
addrg = addrgb + (xpos >> INTER_PGSH) * INTER_PLANES;
|
||||
if (startmask)
|
||||
{
|
||||
INTER_RROP_SOLID_MASK(addrg, startmask);
|
||||
INTER_NEXT_GROUP(addrg);
|
||||
}
|
||||
n = nlmiddle;
|
||||
INTER_RROP_SPAN(addrg, n);
|
||||
if (endmask)
|
||||
INTER_RROP_SOLID_MASK(addrg, endmask);
|
||||
}
|
||||
}
|
||||
|
||||
#define FILLSPAN(xl,xr,addr) \
|
||||
if (xr >= xl) \
|
||||
{ \
|
||||
n = xr - xl + 1; \
|
||||
addrg = addr + (xl >> INTER_PGSH) * INTER_PLANES; \
|
||||
if (((xl & INTER_PIM) + n) <= INTER_PPG) \
|
||||
{ \
|
||||
INTER_maskpartialbits(xl, n, startmask); \
|
||||
INTER_RROP_SOLID_MASK(addrg, startmask); \
|
||||
} \
|
||||
else \
|
||||
{ \
|
||||
INTER_maskbits(xl, n, startmask, endmask, n); \
|
||||
if (startmask) \
|
||||
{ \
|
||||
INTER_RROP_SOLID_MASK(addrg, startmask); \
|
||||
INTER_NEXT_GROUP(addrg); \
|
||||
} \
|
||||
while (n--) \
|
||||
{ \
|
||||
INTER_RROP_SOLID(addrg); \
|
||||
INTER_NEXT_GROUP(addrg); \
|
||||
} \
|
||||
if (endmask) \
|
||||
INTER_RROP_SOLID_MASK(addrg, endmask); \
|
||||
} \
|
||||
}
|
||||
|
||||
#define FILLSLICESPANS(flip,addr) \
|
||||
if (!flip) \
|
||||
{ \
|
||||
FILLSPAN(xl, xr, addr); \
|
||||
} \
|
||||
else \
|
||||
{ \
|
||||
xc = xorg - x; \
|
||||
FILLSPAN(xc, xr, addr); \
|
||||
xc += slw - 1; \
|
||||
FILLSPAN(xl, xc, addr); \
|
||||
}
|
||||
|
||||
static void
|
||||
INTER_RROP_NAME(iplFillArcSliceSolid)(pDraw, pGC, arc)
|
||||
DrawablePtr pDraw;
|
||||
GCPtr pGC;
|
||||
xArc *arc;
|
||||
{
|
||||
int yk, xk, ym, xm, dx, dy, xorg, yorg, slw;
|
||||
register int x, y, e;
|
||||
miFillArcRec info;
|
||||
miArcSliceRec slice;
|
||||
int xl, xr, xc;
|
||||
INTER_DECLAREG(*addrgt);
|
||||
INTER_DECLAREG(*addrgb);
|
||||
INTER_DECLAREG(*addrg);
|
||||
register int n;
|
||||
int ngwidth;
|
||||
INTER_RROP_DECLARE
|
||||
INTER_DECLAREG(startmask);
|
||||
INTER_DECLAREG(endmask);
|
||||
|
||||
iplGetGroupWidthAndPointer (pDraw, ngwidth, addrgt);
|
||||
|
||||
INTER_RROP_FETCH_GC(pGC);
|
||||
miFillArcSetup(arc, &info);
|
||||
miFillArcSliceSetup(arc, &slice, pGC);
|
||||
MIFILLARCSETUP();
|
||||
xorg += pDraw->x;
|
||||
yorg += pDraw->y;
|
||||
addrgb = addrgt;
|
||||
addrgt += ngwidth * (yorg - y);
|
||||
addrgb += ngwidth * (yorg + y + dy);
|
||||
slice.edge1.x += pDraw->x;
|
||||
slice.edge2.x += pDraw->x;
|
||||
while (y > 0)
|
||||
{
|
||||
addrgt += ngwidth;
|
||||
addrgb -= ngwidth;
|
||||
MIFILLARCSTEP(slw);
|
||||
MIARCSLICESTEP(slice.edge1);
|
||||
MIARCSLICESTEP(slice.edge2);
|
||||
if (miFillSliceUpper(slice))
|
||||
{
|
||||
MIARCSLICEUPPER(xl, xr, slice, slw);
|
||||
FILLSLICESPANS(slice.flip_top, addrgt);
|
||||
}
|
||||
if (miFillSliceLower(slice))
|
||||
{
|
||||
MIARCSLICELOWER(xl, xr, slice, slw);
|
||||
FILLSLICESPANS(slice.flip_bot, addrgb);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
INTER_RROP_NAME(iplPolyFillArcSolid) (pDraw, pGC, narcs, parcs)
|
||||
DrawablePtr pDraw;
|
||||
GCPtr pGC;
|
||||
int narcs;
|
||||
xArc *parcs;
|
||||
{
|
||||
register xArc *arc;
|
||||
register int i;
|
||||
int x2, y2;
|
||||
BoxRec box;
|
||||
RegionPtr cclip;
|
||||
|
||||
cclip = iplGetCompositeClip(pGC);
|
||||
for (arc = parcs, i = narcs; --i >= 0; arc++)
|
||||
{
|
||||
if (miFillArcEmpty(arc))
|
||||
continue;
|
||||
if (miCanFillArc(arc))
|
||||
{
|
||||
box.x1 = arc->x + pDraw->x;
|
||||
box.y1 = arc->y + pDraw->y;
|
||||
/*
|
||||
* Because box.x2 and box.y2 get truncated to 16 bits, and the
|
||||
* RECT_IN_REGION test treats the resulting number as a signed
|
||||
* integer, the RECT_IN_REGION test alone can go the wrong way.
|
||||
* This can result in a server crash because the rendering
|
||||
* routines in this file deal directly with cpu addresses
|
||||
* of pixels to be stored, and do not clip or otherwise check
|
||||
* that all such addresses are within their respective pixmaps.
|
||||
* So we only allow the RECT_IN_REGION test to be used for
|
||||
* values that can be expressed correctly in a signed short.
|
||||
*/
|
||||
x2 = box.x1 + (int)arc->width + 1;
|
||||
box.x2 = x2;
|
||||
y2 = box.y1 + (int)arc->height + 1;
|
||||
box.y2 = y2;
|
||||
if ( (x2 <= MAXSHORT) && (y2 <= MAXSHORT) &&
|
||||
(RECT_IN_REGION(pDraw->pScreen, cclip, &box) == rgnIN) )
|
||||
{
|
||||
if ((arc->angle2 >= FULLCIRCLE) ||
|
||||
(arc->angle2 <= -FULLCIRCLE))
|
||||
INTER_RROP_NAME(iplFillEllipseSolid)(pDraw, pGC, arc);
|
||||
else
|
||||
INTER_RROP_NAME(iplFillArcSliceSolid)(pDraw, pGC, arc);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
miPolyFillArc(pDraw, pGC, 1, arc);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue