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/* $XFree86: xc/programs/Xserver/hw/xfree86/xf8_32bpp/cfbimage.c,v 1.3 2003/07/16 01:38:50 dawes Exp $ */
#include "X.h"
#include "windowstr.h"
#include "pixmapstr.h"
#include "scrnintstr.h"
#include "gcstruct.h"
#define PSZ 8
#include "cfb.h"
#undef PSZ
#include "cfb32.h"
#include "cfb8_32.h"
#include "servermd.h"
#include "mi.h"
void
cfb8_32GetImage (
DrawablePtr pDraw,
int sx, int sy, int w, int h,
unsigned int format,
unsigned long planemask,
char *pdstLine
){
if(!w || !h) return;
if (!cfbDrawableEnabled (pDraw))
return;
if(pDraw->depth == 24){
cfb32GetImage(pDraw, sx, sy, w, h, format, planemask, pdstLine);
return;
}
if((pDraw->bitsPerPixel == 8) || (pDraw->bitsPerPixel == 1)){
cfbGetImage(pDraw, sx, sy, w, h, format, planemask, pdstLine);
return;
}
/* source is depth 8, 32 bpp */
if(format != ZPixmap) {
miGetImage(pDraw, sx, sy, w, h, format, planemask, pdstLine);
return;
} else {
BoxRec box;
DDXPointRec ptSrc;
RegionRec rgnDst;
ScreenPtr pScreen;
PixmapPtr pPixmap;
pScreen = pDraw->pScreen;
pPixmap = GetScratchPixmapHeader(pScreen, w, h, 8, 8,
PixmapBytePad(w,8), (pointer)pdstLine);
if (!pPixmap)
return;
if ((planemask & 0xff) != 0xff)
bzero((char *)pdstLine, pPixmap->devKind * h);
ptSrc.x = sx + pDraw->x;
ptSrc.y = sy + pDraw->y;
box.x1 = 0;
box.y1 = 0;
box.x2 = w;
box.y2 = h;
REGION_INIT(pScreen, &rgnDst, &box, 1);
cfbDoBitblt32To8(pDraw, (DrawablePtr)pPixmap, GXcopy, &rgnDst,
&ptSrc, planemask);
REGION_UNINIT(pScreen, &rgnDst);
FreeScratchPixmapHeader(pPixmap);
}
}
void
cfb8_32PutImage (
DrawablePtr pDraw,
GCPtr pGC,
int depth,
int x, int y, int w, int h,
int leftPad,
int format,
char *pImage
){
if(!w || !h) return;
if((pDraw->bitsPerPixel == 8) || (format != XYPixmap)){
cfbPutImage(pDraw, pGC, depth, x, y, w, h, leftPad, format, pImage);
return;
} else { /* moving an 8bpp XYPixmap to a 32bpp screen */
unsigned long oldFg, oldBg;
XID gcv[3];
unsigned long oldPlanemask;
unsigned long i;
long bytesPer;
oldPlanemask = pGC->planemask;
oldFg = pGC->fgPixel;
oldBg = pGC->bgPixel;
gcv[0] = ~0L;
gcv[1] = 0;
DoChangeGC(pGC, GCForeground | GCBackground, gcv, 0);
bytesPer = (long)h * BitmapBytePad(w + leftPad);
for (i = 0x80000000; i & 0xff000000; i >>= 1, pImage += bytesPer)
{
if (i & oldPlanemask)
{
gcv[0] = i;
DoChangeGC(pGC, GCPlaneMask, gcv, 0);
ValidateGC(pDraw, pGC);
(*pGC->ops->PutImage)(pDraw, pGC, 1, x, y, w, h, leftPad,
XYBitmap, pImage);
}
}
gcv[0] = oldPlanemask;
gcv[1] = oldFg;
gcv[2] = oldBg;
DoChangeGC(pGC, GCPlaneMask | GCForeground | GCBackground, gcv, 0);
ValidateGC(pDraw, pGC);
}
}
void
cfb8_32GetSpans(
DrawablePtr pDraw,
int wMax,
DDXPointPtr ppt,
int *pwidth,
int nspans,
char *pDst
){
int pitch, i;
CARD8 *ptr, *ptrBase;
if (!cfbDrawableEnabled (pDraw))
return;
if(pDraw->bitsPerPixel == 1) {
mfbGetSpans(pDraw, wMax, ppt, pwidth, nspans, pDst);
return;
}
if(pDraw->depth == 24) {
cfb32GetSpans(pDraw, wMax, ppt, pwidth, nspans, pDst);
return;
} else if(pDraw->bitsPerPixel == 8) {
cfbGetSpans(pDraw, wMax, ppt, pwidth, nspans, pDst);
return;
}
/* gotta get spans from a depth 8 window */
cfbGetByteWidthAndPointer(pDraw, pitch, ptrBase);
ptrBase += 3; /* point to top byte */
while(nspans--) {
ptr = ptrBase + (ppt->y * pitch) + (ppt->x << 2);
for(i = *pwidth; i--; ptr += 4)
*(pDst++) = *ptr;
pDst = (char*)((long)(pDst + 3) & ~3L);
ppt++; pwidth++;
}
}
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