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cfbpntwin.c
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C/C++ Source or Header
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1991-09-25
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8KB
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350 lines
/***********************************************************
Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
and the Massachusetts Institute of Technology, Cambridge, Massachusetts.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the names of Digital or MIT not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.
******************************************************************/
#include "X.h"
#include "windowstr.h"
#include "regionstr.h"
#include "pixmapstr.h"
#include "scrnintstr.h"
#include "cfb.h"
#include "cfbmskbits.h"
static void cfbPaintArea32(), cfbPaintAreaSolid();
extern void miPaintWindow();
void
cfbPaintWindow(pWin, pRegion, what)
WindowPtr pWin;
RegionPtr pRegion;
int what;
{
register cfbPrivWin *pPrivWin;
pPrivWin = (cfbPrivWin *)(pWin->devPrivates[cfbWindowPrivateIndex].ptr);
switch (what) {
case PW_BACKGROUND:
switch (pWin->backgroundState) {
case None:
return;
case ParentRelative:
do {
pWin = pWin->parent;
} while (pWin->backgroundState == ParentRelative);
(*pWin->drawable.pScreen->PaintWindowBackground)(pWin, pRegion,
what);
return;
case BackgroundPixmap:
if (pPrivWin->fastBackground)
{
cfbFillBoxTile32 ((DrawablePtr)pWin,
(int)REGION_NUM_RECTS(pRegion),
REGION_RECTS(pRegion),
pPrivWin->pRotatedBackground);
return;
}
else
{
cfbFillBoxTileOdd ((DrawablePtr)pWin,
(int)REGION_NUM_RECTS(pRegion),
REGION_RECTS(pRegion),
pWin->background.pixmap,
(int) pWin->drawable.x, (int) pWin->drawable.y);
return;
}
break;
case BackgroundPixel:
cfbFillBoxSolid ((DrawablePtr)pWin,
(int)REGION_NUM_RECTS(pRegion),
REGION_RECTS(pRegion),
pWin->background.pixel);
return;
}
break;
case PW_BORDER:
if (pWin->borderIsPixel)
{
cfbFillBoxSolid ((DrawablePtr)pWin,
(int)REGION_NUM_RECTS(pRegion),
REGION_RECTS(pRegion),
pWin->border.pixel);
return;
}
else if (pPrivWin->fastBorder)
{
cfbFillBoxTile32 ((DrawablePtr)pWin,
(int)REGION_NUM_RECTS(pRegion),
REGION_RECTS(pRegion),
pPrivWin->pRotatedBorder);
return;
}
else if (pWin->border.pixmap->drawable.width >= PPW/2)
{
cfbFillBoxTileOdd ((DrawablePtr)pWin,
(int)REGION_NUM_RECTS(pRegion),
REGION_RECTS(pRegion),
pWin->border.pixmap,
(int) pWin->drawable.x, (int) pWin->drawable.y);
return;
}
break;
}
miPaintWindow (pWin, pRegion, what);
}
/*
* Use the RROP macros in copy mode
*/
#define RROP GXcopy
#include "cfbrrop.h"
#ifdef RROP_UNROLL
# define Expand(left,right,leftAdjust) {\
int part = nmiddle & RROP_UNROLL_MASK; \
int widthStep; \
widthStep = widthDst - nmiddle - leftAdjust; \
nmiddle >>= RROP_UNROLL_SHIFT; \
while (h--) { \
left \
pdst += part; \
switch (part) { \
RROP_UNROLL_CASE(pdst) \
} \
m = nmiddle; \
while (m) { \
pdst += RROP_UNROLL; \
RROP_UNROLL_LOOP(pdst) \
m--; \
} \
right \
pdst += widthStep; \
} \
}
#else
# define Expand(left, right, leftAdjust) { \
int widthStep; \
widthStep = widthDst - nmiddle - leftAdjust; \
while (h--) { \
left \
m = nmiddle; \
while (m--) {\
RROP_SOLID(pdst); \
pdst++; \
} \
right \
pdst += widthStep; \
} \
}
#endif
void
cfbFillBoxSolid (pDrawable, nBox, pBox, pixel)
DrawablePtr pDrawable;
int nBox;
BoxPtr pBox;
unsigned long pixel;
{
unsigned long *pdstBase;
int widthDst;
register int h;
register unsigned long rrop_xor;
register unsigned long *pdst;
register unsigned long leftMask, rightMask;
int nmiddle;
register int m;
int w;
cfbGetLongWidthAndPointer(pDrawable, widthDst, pdstBase);
rrop_xor = PFILL(pixel);
for (; nBox; nBox--, pBox++)
{
pdst = pdstBase + pBox->y1 * widthDst;
h = pBox->y2 - pBox->y1;
w = pBox->x2 - pBox->x1;
#if PPW == 4
if (w == 1)
{
register char *pdstb = ((char *) pdst) + pBox->x1;
int incr = widthDst << 2;
while (h--)
{
*pdstb = rrop_xor;
pdstb += incr;
}
}
else
{
#endif
pdst += (pBox->x1 >> PWSH);
if ((pBox->x1 & PIM) + w <= PPW)
{
maskpartialbits(pBox->x1, w, leftMask);
while (h--) {
*pdst = (*pdst & ~leftMask) | (rrop_xor & leftMask);
pdst += widthDst;
}
}
else
{
maskbits (pBox->x1, w, leftMask, rightMask, nmiddle);
if (leftMask)
{
if (rightMask)
{
Expand (RROP_SOLID_MASK (pdst, leftMask); pdst++; ,
RROP_SOLID_MASK (pdst, rightMask); ,
1)
}
else
{
Expand (RROP_SOLID_MASK (pdst, leftMask); pdst++;,
;,
1)
}
}
else
{
if (rightMask)
{
Expand (;,
RROP_SOLID_MASK (pdst, rightMask);,
0)
}
else
{
Expand (;,
;,
0)
}
}
}
#if PPW == 4
}
#endif
}
}
void
cfbFillBoxTile32 (pDrawable, nBox, pBox, tile)
DrawablePtr pDrawable;
int nBox; /* number of boxes to fill */
BoxPtr pBox; /* pointer to list of boxes to fill */
PixmapPtr tile; /* rotated, expanded tile */
{
register unsigned long rrop_xor;
register unsigned long *pdst;
register int m;
int *psrc;
int tileHeight;
int widthDst;
int w;
int h;
register unsigned long leftMask;
register unsigned long rightMask;
int nmiddle;
int y;
int srcy;
unsigned long *pdstBase;
tileHeight = tile->drawable.height;
psrc = (int *)tile->devPrivate.ptr;
cfbGetLongWidthAndPointer (pDrawable, widthDst, pdstBase);
while (nBox--)
{
w = pBox->x2 - pBox->x1;
h = pBox->y2 - pBox->y1;
y = pBox->y1;
pdst = pdstBase + (pBox->y1 * widthDst) + (pBox->x1 >> PWSH);
srcy = y % tileHeight;
#define StepTile rrop_xor = psrc[srcy]; \
++srcy; \
if (srcy == tileHeight) \
srcy = 0;
if ( ((pBox->x1 & PIM) + w) < PPW)
{
maskpartialbits(pBox->x1, w, leftMask);
rightMask = ~leftMask;
while (h--)
{
StepTile
*pdst = (*pdst & rightMask) | (rrop_xor & leftMask);
pdst += widthDst;
}
}
else
{
maskbits(pBox->x1, w, leftMask, rightMask, nmiddle);
if (leftMask)
{
if (rightMask)
{
Expand (StepTile
RROP_SOLID_MASK(pdst, leftMask); pdst++;,
RROP_SOLID_MASK(pdst, rightMask);,
1)
}
else
{
Expand (StepTile
RROP_SOLID_MASK(pdst, leftMask); pdst++;,
,
1)
}
}
else
{
if (rightMask)
{
Expand (StepTile
,
RROP_SOLID_MASK(pdst, rightMask);,
0)
}
else
{
Expand (StepTile
,
,
0)
}
}
}
pBox++;
}
}