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Diffstat (limited to 'hw/dmx/dmxpixmap.c')
-rw-r--r--hw/dmx/dmxpixmap.c177
1 files changed, 94 insertions, 83 deletions
diff --git a/hw/dmx/dmxpixmap.c b/hw/dmx/dmxpixmap.c
index 81b71151a..17aca9224 100644
--- a/hw/dmx/dmxpixmap.c
+++ b/hw/dmx/dmxpixmap.c
@@ -47,61 +47,67 @@
#include "privates.h"
/** Initialize a private area in \a pScreen for pixmap information. */
-Bool dmxInitPixmap(ScreenPtr pScreen)
+Bool
+dmxInitPixmap(ScreenPtr pScreen)
{
- if (!dixRegisterPrivateKey(&dmxPixPrivateKeyRec, PRIVATE_PIXMAP, sizeof(dmxPixPrivRec)))
- return FALSE;
+ if (!dixRegisterPrivateKey
+ (&dmxPixPrivateKeyRec, PRIVATE_PIXMAP, sizeof(dmxPixPrivRec)))
+ return FALSE;
return TRUE;
}
/** Create a pixmap on the back-end server. */
-void dmxBECreatePixmap(PixmapPtr pPixmap)
+void
+dmxBECreatePixmap(PixmapPtr pPixmap)
{
- ScreenPtr pScreen = pPixmap->drawable.pScreen;
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
+ dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
/* Make sure we haven't already created this pixmap. This can
* happen when the pixmap is used elsewhere (e.g., as a background
* or border for a window) and the refcnt > 1.
*/
if (pPixPriv->pixmap)
- return;
+ return;
if (pPixmap->drawable.width && pPixmap->drawable.height) {
- pPixPriv->pixmap = XCreatePixmap(dmxScreen->beDisplay,
- dmxScreen->scrnWin,
- pPixmap->drawable.width,
- pPixmap->drawable.height,
- pPixmap->drawable.depth);
- dmxSync(dmxScreen, FALSE);
+ pPixPriv->pixmap = XCreatePixmap(dmxScreen->beDisplay,
+ dmxScreen->scrnWin,
+ pPixmap->drawable.width,
+ pPixmap->drawable.height,
+ pPixmap->drawable.depth);
+ dmxSync(dmxScreen, FALSE);
}
}
/** Create a pixmap for \a pScreen with the specified \a width, \a
* height, and \a depth. */
-PixmapPtr dmxCreatePixmap(ScreenPtr pScreen, int width, int height, int depth,
- unsigned usage_hint)
+PixmapPtr
+dmxCreatePixmap(ScreenPtr pScreen, int width, int height, int depth,
+ unsigned usage_hint)
{
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- PixmapPtr pPixmap;
- int bpp;
- dmxPixPrivPtr pPixPriv;
+ PixmapPtr pPixmap;
+ int bpp;
+ dmxPixPrivPtr pPixPriv;
#if 0
DMX_UNWRAP(CreatePixmap, dmxScreen, pScreen);
if (pScreen->CreatePixmap)
- ret = pScreen->CreatePixmap(pPixmap);
+ ret = pScreen->CreatePixmap(pPixmap);
#endif
/* Create pixmap on back-end server */
- if (depth == 24) bpp = 32;
- else bpp = depth;
+ if (depth == 24)
+ bpp = 32;
+ else
+ bpp = depth;
pPixmap = AllocatePixmap(pScreen, 0);
if (!pPixmap)
- return NullPixmap;
+ return NullPixmap;
pPixmap->drawable.type = DRAWABLE_PIXMAP;
pPixmap->drawable.class = 0;
@@ -119,12 +125,12 @@ PixmapPtr dmxCreatePixmap(ScreenPtr pScreen, int width, int height, int depth,
pPixmap->usage_hint = usage_hint;
pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
- pPixPriv->pixmap = (Pixmap)0;
+ pPixPriv->pixmap = (Pixmap) 0;
pPixPriv->detachedImage = NULL;
/* Create the pixmap on the back-end server */
if (dmxScreen->beDisplay) {
- dmxBECreatePixmap(pPixmap);
+ dmxBECreatePixmap(pPixmap);
}
#if 0
@@ -135,50 +141,53 @@ PixmapPtr dmxCreatePixmap(ScreenPtr pScreen, int width, int height, int depth,
}
/** Destroy the pixmap on the back-end server. */
-Bool dmxBEFreePixmap(PixmapPtr pPixmap)
+Bool
+dmxBEFreePixmap(PixmapPtr pPixmap)
{
- ScreenPtr pScreen = pPixmap->drawable.pScreen;
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
+ dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
if (pPixPriv->pixmap) {
- XFreePixmap(dmxScreen->beDisplay, pPixPriv->pixmap);
- pPixPriv->pixmap = (Pixmap)0;
- return TRUE;
+ XFreePixmap(dmxScreen->beDisplay, pPixPriv->pixmap);
+ pPixPriv->pixmap = (Pixmap) 0;
+ return TRUE;
}
return FALSE;
}
/** Destroy the pixmap pointed to by \a pPixmap. */
-Bool dmxDestroyPixmap(PixmapPtr pPixmap)
+Bool
+dmxDestroyPixmap(PixmapPtr pPixmap)
{
- ScreenPtr pScreen = pPixmap->drawable.pScreen;
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- Bool ret = TRUE;
+ Bool ret = TRUE;
#if 0
DMX_UNWRAP(DestroyPixmap, dmxScreen, pScreen);
#endif
if (--pPixmap->refcnt)
- return TRUE;
+ return TRUE;
/* Destroy pixmap on back-end server */
if (dmxScreen->beDisplay) {
- if (dmxBEFreePixmap(pPixmap)) {
- /* Also make sure that we destroy any detached image */
- dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
- if (pPixPriv->detachedImage)
- XDestroyImage(pPixPriv->detachedImage);
- dmxSync(dmxScreen, FALSE);
- }
+ if (dmxBEFreePixmap(pPixmap)) {
+ /* Also make sure that we destroy any detached image */
+ dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
+
+ if (pPixPriv->detachedImage)
+ XDestroyImage(pPixPriv->detachedImage);
+ dmxSync(dmxScreen, FALSE);
+ }
}
FreePixmap(pPixmap);
#if 0
if (pScreen->DestroyPixmap)
- ret = pScreen->DestroyPixmap(pPixmap);
+ ret = pScreen->DestroyPixmap(pPixmap);
DMX_WRAP(DestroyPixmap, dmxDestroyPixmap, dmxScreen, pScreen);
#endif
@@ -187,60 +196,62 @@ Bool dmxDestroyPixmap(PixmapPtr pPixmap)
/** Create and return a region based on the pixmap pointed to by \a
* pPixmap. */
-RegionPtr dmxBitmapToRegion(PixmapPtr pPixmap)
+RegionPtr
+dmxBitmapToRegion(PixmapPtr pPixmap)
{
DMXScreenInfo *dmxScreen = &dmxScreens[pPixmap->drawable.pScreen->myNum];
- dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
- XImage *ximage;
- RegionPtr pReg, pTmpReg;
- int x, y;
- unsigned long previousPixel, currentPixel;
- BoxRec Box;
- Bool overlap;
-
+ dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
+ XImage *ximage;
+ RegionPtr pReg, pTmpReg;
+ int x, y;
+ unsigned long previousPixel, currentPixel;
+ BoxRec Box;
+ Bool overlap;
+
if (!dmxScreen->beDisplay) {
- pReg = RegionCreate(NullBox, 1);
- return pReg;
+ pReg = RegionCreate(NullBox, 1);
+ return pReg;
}
ximage = XGetImage(dmxScreen->beDisplay, pPixPriv->pixmap, 0, 0,
- pPixmap->drawable.width, pPixmap->drawable.height,
- 1, XYPixmap);
+ pPixmap->drawable.width, pPixmap->drawable.height,
+ 1, XYPixmap);
pReg = RegionCreate(NullBox, 1);
pTmpReg = RegionCreate(NullBox, 1);
- if(!pReg || !pTmpReg) {
- XDestroyImage(ximage);
- return NullRegion;
+ if (!pReg || !pTmpReg) {
+ XDestroyImage(ximage);
+ return NullRegion;
}
for (y = 0; y < pPixmap->drawable.height; y++) {
- Box.y1 = y;
- Box.y2 = y + 1;
- previousPixel = 0L;
- for (x = 0; x < pPixmap->drawable.width; x++) {
- currentPixel = XGetPixel(ximage, x, y);
- if (previousPixel != currentPixel) {
- if (previousPixel == 0L) {
- /* left edge */
- Box.x1 = x;
- } else if (currentPixel == 0L) {
- /* right edge */
- Box.x2 = x;
- RegionReset(pTmpReg, &Box);
- RegionAppend(pReg, pTmpReg);
- }
- previousPixel = currentPixel;
- }
- }
- if (previousPixel != 0L) {
- /* right edge because of the end of pixmap */
- Box.x2 = pPixmap->drawable.width;
- RegionReset(pTmpReg, &Box);
- RegionAppend(pReg, pTmpReg);
- }
+ Box.y1 = y;
+ Box.y2 = y + 1;
+ previousPixel = 0L;
+ for (x = 0; x < pPixmap->drawable.width; x++) {
+ currentPixel = XGetPixel(ximage, x, y);
+ if (previousPixel != currentPixel) {
+ if (previousPixel == 0L) {
+ /* left edge */
+ Box.x1 = x;
+ }
+ else if (currentPixel == 0L) {
+ /* right edge */
+ Box.x2 = x;
+ RegionReset(pTmpReg, &Box);
+ RegionAppend(pReg, pTmpReg);
+ }
+ previousPixel = currentPixel;
+ }
+ }
+ if (previousPixel != 0L) {
+ /* right edge because of the end of pixmap */
+ Box.x2 = pPixmap->drawable.width;
+ RegionReset(pTmpReg, &Box);
+ RegionAppend(pReg, pTmpReg);
+ }
}
-
+
RegionDestroy(pTmpReg);
XDestroyImage(ximage);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 19:12:12 +0000