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Add dmxModifyPixmapHeader.

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This commit is contained in:
David Reveman 2008-06-24 11:13:01 -04:00
parent 1d401db266
commit 33a241b9f6
3 changed files with 100 additions and 1 deletions
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2
hw/dmx/dmx.h
View file

@ -238,6 +238,8 @@ typedef struct _DMXScreenInfo {
ChangeBorderWidthProcPtr ChangeBorderWidth;
ModifyPixmapHeaderProcPtr ModifyPixmapHeader;
SetWindowPixmapProcPtr SetWindowPixmap;
GetImageProcPtr GetImage;

92
hw/dmx/dmxpixmap.c
View file

@ -70,7 +70,6 @@ void dmxBECreatePixmap(PixmapPtr pPixmap)
return;
if (pPixmap->drawable.width && pPixmap->drawable.height) {
pPixPriv->pixmap = None;
XLIB_PROLOGUE (dmxScreen);
pPixPriv->pixmap = XCreatePixmap(dmxScreen->beDisplay,
dmxScreen->scrnWin,
@ -306,3 +305,94 @@ RegionPtr dmxBitmapToRegion(PixmapPtr pPixmap)
dmxSync(dmxScreen, FALSE);
return(pReg);
}
Bool
dmxModifyPixmapHeader (PixmapPtr pPixmap,
int width,
int height,
int depth,
int bitsPerPixel,
int devKind,
pointer pPixData)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
int oldWidth, oldHeight, oldDepth;
Bool status;
oldWidth = pPixmap->drawable.width;
oldHeight = pPixmap->drawable.height;
oldDepth = pPixmap->drawable.depth;
DMX_UNWRAP (ModifyPixmapHeader, dmxScreen, pScreen);
status = (*pScreen->ModifyPixmapHeader) (pPixmap,
width,
height,
depth,
bitsPerPixel,
devKind,
pPixData);
DMX_WRAP (ModifyPixmapHeader, dmxModifyPixmapHeader, dmxScreen, pScreen);
if (!status)
return FALSE;
if (pPixmap->drawable.width != oldWidth ||
pPixmap->drawable.height != oldHeight ||
pPixmap->drawable.depth != oldDepth)
{
dmxBEFreePixmap (pPixmap);
}
if (pPixData && dmxScreen->beDisplay)
{
dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV (pPixmap);
XlibGC gc = NULL;
unsigned long m;
XGCValues v;
XImage ximage;
ximage.width = pPixmap->drawable.width;
ximage.height = pPixmap->drawable.height;
ximage.format = ZPixmap;
ximage.byte_order = IMAGE_BYTE_ORDER;
ximage.bitmap_unit = 32;
ximage.bitmap_bit_order = BITMAP_BIT_ORDER;
ximage.bitmap_pad = 32;
ximage.depth = pPixmap->drawable.depth;
ximage.red_mask = 0;
ximage.green_mask = 0;
ximage.blue_mask = 0;
ximage.xoffset = 0;
ximage.bits_per_pixel = pPixmap->drawable.bitsPerPixel;
ximage.bytes_per_line = pPixmap->devKind;
ximage.data = (char *) pPixData;
XInitImage (&ximage);
dmxBECreatePixmap (pPixmap);
m = GCFunction | GCPlaneMask | GCClipMask;
v.function = GXcopy;
v.plane_mask = AllPlanes;
v.clip_mask = None;
XLIB_PROLOGUE (dmxScreen);
gc = XCreateGC (dmxScreen->beDisplay, pPixPriv->pixmap, m, &v);
XLIB_EPILOGUE (dmxScreen);
if (gc)
{
XLIB_PROLOGUE (dmxScreen);
XPutImage (dmxScreen->beDisplay,
pPixPriv->pixmap,
gc, &ximage, 0, 0, 0, 0,
pPixmap->drawable.width, pPixmap->drawable.height);
XFreeGC (dmxScreen->beDisplay, gc);
XLIB_EPILOGUE (dmxScreen);
}
}
return TRUE;
}

7
hw/dmx/dmxpixmap.h
View file

@ -53,6 +53,13 @@ extern PixmapPtr dmxCreatePixmap(ScreenPtr pScreen,
unsigned usage_hint);
extern Bool dmxDestroyPixmap(PixmapPtr pPixmap);
extern RegionPtr dmxBitmapToRegion(PixmapPtr pPixmap);
extern Bool dmxModifyPixmapHeader (PixmapPtr pPixmap,
int width,
int height,
int depth,
int bitsPerPixel,
int devKind,
pointer pPixData);
extern void dmxBECreatePixmap(PixmapPtr pPixmap);
extern Bool dmxBEFreePixmap(PixmapPtr pPixmap);