summaryrefslogtreecommitdiff
path: root/hw/xnest/Pixmap.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/xnest/Pixmap.c')
-rw-r--r--hw/xnest/Pixmap.c162
1 files changed, 81 insertions, 81 deletions
diff --git a/hw/xnest/Pixmap.c b/hw/xnest/Pixmap.c
index eccf56986..13e1610fd 100644
--- a/hw/xnest/Pixmap.c
+++ b/hw/xnest/Pixmap.c
@@ -36,101 +36,101 @@ DevPrivateKeyRec xnestPixmapPrivateKeyRec;
PixmapPtr
xnestCreatePixmap(ScreenPtr pScreen, int width, int height, int depth,
- unsigned usage_hint)
+ unsigned usage_hint)
{
- PixmapPtr pPixmap;
-
- pPixmap = AllocatePixmap(pScreen, 0);
- if (!pPixmap)
- return NullPixmap;
- pPixmap->drawable.type = DRAWABLE_PIXMAP;
- pPixmap->drawable.class = 0;
- pPixmap->drawable.depth = depth;
- pPixmap->drawable.bitsPerPixel = depth;
- pPixmap->drawable.id = 0;
- pPixmap->drawable.x = 0;
- pPixmap->drawable.y = 0;
- pPixmap->drawable.width = width;
- pPixmap->drawable.height = height;
- pPixmap->drawable.pScreen = pScreen;
- pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
- pPixmap->refcnt = 1;
- pPixmap->devKind = PixmapBytePad(width, depth);
- pPixmap->usage_hint = usage_hint;
- if (width && height)
- xnestPixmapPriv(pPixmap)->pixmap =
- XCreatePixmap(xnestDisplay,
- xnestDefaultWindows[pScreen->myNum],
- width, height, depth);
- else
- xnestPixmapPriv(pPixmap)->pixmap = 0;
-
- return pPixmap;
+ PixmapPtr pPixmap;
+
+ pPixmap = AllocatePixmap(pScreen, 0);
+ if (!pPixmap)
+ return NullPixmap;
+ pPixmap->drawable.type = DRAWABLE_PIXMAP;
+ pPixmap->drawable.class = 0;
+ pPixmap->drawable.depth = depth;
+ pPixmap->drawable.bitsPerPixel = depth;
+ pPixmap->drawable.id = 0;
+ pPixmap->drawable.x = 0;
+ pPixmap->drawable.y = 0;
+ pPixmap->drawable.width = width;
+ pPixmap->drawable.height = height;
+ pPixmap->drawable.pScreen = pScreen;
+ pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+ pPixmap->refcnt = 1;
+ pPixmap->devKind = PixmapBytePad(width, depth);
+ pPixmap->usage_hint = usage_hint;
+ if (width && height)
+ xnestPixmapPriv(pPixmap)->pixmap =
+ XCreatePixmap(xnestDisplay,
+ xnestDefaultWindows[pScreen->myNum],
+ width, height, depth);
+ else
+ xnestPixmapPriv(pPixmap)->pixmap = 0;
+
+ return pPixmap;
}
Bool
xnestDestroyPixmap(PixmapPtr pPixmap)
{
- if(--pPixmap->refcnt)
+ if (--pPixmap->refcnt)
+ return TRUE;
+ XFreePixmap(xnestDisplay, xnestPixmap(pPixmap));
+ FreePixmap(pPixmap);
return TRUE;
- XFreePixmap(xnestDisplay, xnestPixmap(pPixmap));
- FreePixmap(pPixmap);
- return TRUE;
}
RegionPtr
xnestPixmapToRegion(PixmapPtr pPixmap)
{
- XImage *ximage;
- register RegionPtr pReg, pTmpReg;
- register int x, y;
- unsigned long previousPixel, currentPixel;
- BoxRec Box = { 0, 0, 0, 0 };
- Bool overlap;
-
- ximage = XGetImage(xnestDisplay, xnestPixmap(pPixmap), 0, 0,
- pPixmap->drawable.width, pPixmap->drawable.height,
- 1, XYPixmap);
-
- pReg = RegionCreate(NULL, 1);
- pTmpReg = RegionCreate(NULL, 1);
- 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;
- }
+ XImage *ximage;
+ register RegionPtr pReg, pTmpReg;
+ register int x, y;
+ unsigned long previousPixel, currentPixel;
+ BoxRec Box = { 0, 0, 0, 0 };
+ Bool overlap;
+
+ ximage = XGetImage(xnestDisplay, xnestPixmap(pPixmap), 0, 0,
+ pPixmap->drawable.width, pPixmap->drawable.height,
+ 1, XYPixmap);
+
+ pReg = RegionCreate(NULL, 1);
+ pTmpReg = RegionCreate(NULL, 1);
+ if (!pReg || !pTmpReg) {
+ XDestroyImage(ximage);
+ return NullRegion;
}
- if (previousPixel != 0L) {
- /* right edge because of the end of pixmap */
- Box.x2 = pPixmap->drawable.width;
- RegionReset(pTmpReg, &Box);
- RegionAppend(pReg, pTmpReg);
+
+ 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);
+ }
}
- }
-
- RegionDestroy(pTmpReg);
- XDestroyImage(ximage);
- RegionValidate(pReg, &overlap);
+ RegionDestroy(pTmpReg);
+ XDestroyImage(ximage);
+
+ RegionValidate(pReg, &overlap);
- return pReg;
+ return pReg;
}