1 files changed, 230 insertions, 249 deletions
diff --git a/xorg-server/mi/migc.c b/xorg-server/mi/migc.c
index 50abefcea..c9cdd12af 100644
--- a/xorg-server/mi/migc.c
+++ b/xorg-server/mi/migc.c
@@ -1,249 +1,230 @@
-/*
-
-Copyright 1993, 1998  The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall
-not be used in advertising or otherwise to promote the sale, use or
-other dealings in this Software without prior written authorization
-from The Open Group.
-
-*/
-
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "scrnintstr.h"
-#include "gcstruct.h"
-#include "pixmapstr.h"
-#include "windowstr.h"
-#include "migc.h"
-
-/* ARGSUSED */
-void
-miChangeGC(GCPtr pGC, unsigned long mask)
-{
-    return;
-}
-
-void
-miDestroyGC(GCPtr pGC)
-{
-    if (pGC->pRotatedPixmap)
-	(*pGC->pScreen->DestroyPixmap) (pGC->pRotatedPixmap);
-    if (pGC->freeCompClip)
-	RegionDestroy(pGC->pCompositeClip);
-}
-
-void
-miDestroyClip(GCPtr pGC)
-{
-    if (pGC->clientClipType == CT_NONE)
-	return;
-    else if (pGC->clientClipType == CT_PIXMAP)
-    {
-	(*pGC->pScreen->DestroyPixmap) ((PixmapPtr) (pGC->clientClip));
-    }
-    else
-    {
-	/*
-	 * we know we'll never have a list of rectangles, since ChangeClip
-	 * immediately turns them into a region
-	 */
-	RegionDestroy(pGC->clientClip);
-    }
-    pGC->clientClip = NULL;
-    pGC->clientClipType = CT_NONE;
-}
-
-void
-miChangeClip( GCPtr pGC, int type, pointer pvalue, int nrects)
-{
-    (*pGC->funcs->DestroyClip) (pGC);
-    if (type == CT_PIXMAP)
-    {
-	/* convert the pixmap to a region */
-	pGC->clientClip = (pointer) BitmapToRegion(pGC->pScreen,
-							(PixmapPtr) pvalue);
-	(*pGC->pScreen->DestroyPixmap) (pvalue);
-    }
-    else if (type == CT_REGION)
-    {
-	/* stuff the region in the GC */
-	pGC->clientClip = pvalue;
-    }
-    else if (type != CT_NONE)
-    {
-	pGC->clientClip = (pointer) RegionFromRects(nrects,
-						      (xRectangle *) pvalue,
-								    type);
-	free(pvalue);
-    }
-    pGC->clientClipType = (type != CT_NONE && pGC->clientClip) ? CT_REGION : CT_NONE;
-    pGC->stateChanges |= GCClipMask;
-}
-
-void
-miCopyClip(GCPtr pgcDst, GCPtr pgcSrc)
-{
-    RegionPtr       prgnNew;
-
-    switch (pgcSrc->clientClipType)
-    {
-      case CT_PIXMAP:
-	((PixmapPtr) pgcSrc->clientClip)->refcnt++;
-	/* Fall through !! */
-      case CT_NONE:
-	(*pgcDst->funcs->ChangeClip) (pgcDst, (int) pgcSrc->clientClipType,
-				   pgcSrc->clientClip, 0);
-	break;
-      case CT_REGION:
-	prgnNew = RegionCreate(NULL, 1);
-	RegionCopy(prgnNew, (RegionPtr) (pgcSrc->clientClip));
-	(*pgcDst->funcs->ChangeClip) (pgcDst, CT_REGION, (pointer) prgnNew, 0);
-	break;
-    }
-}
-
-/* ARGSUSED */
-void
-miCopyGC(GCPtr pGCSrc, unsigned long changes, GCPtr pGCDst)
-{
-    return;
-}
-
-void
-miComputeCompositeClip( GCPtr pGC, DrawablePtr pDrawable)
-{
-    if (pDrawable->type == DRAWABLE_WINDOW)
-    {
-	WindowPtr       pWin = (WindowPtr) pDrawable;
-	RegionPtr       pregWin;
-	Bool            freeTmpClip, freeCompClip;
-
-	if (pGC->subWindowMode == IncludeInferiors)
-	{
-	    pregWin = NotClippedByChildren(pWin);
-	    freeTmpClip = TRUE;
-	}
-	else
-	{
-	    pregWin = &pWin->clipList;
-	    freeTmpClip = FALSE;
-	}
-	freeCompClip = pGC->freeCompClip;
-
-	/*
-	 * if there is no client clip, we can get by with just keeping the
-	 * pointer we got, and remembering whether or not should destroy (or
-	 * maybe re-use) it later.  this way, we avoid unnecessary copying of
-	 * regions.  (this wins especially if many clients clip by children
-	 * and have no client clip.)
-	 */
-	if (pGC->clientClipType == CT_NONE)
-	{
-	    if (freeCompClip)
-		RegionDestroy(pGC->pCompositeClip);
-	    pGC->pCompositeClip = pregWin;
-	    pGC->freeCompClip = freeTmpClip;
-	}
-	else
-	{
-	    /*
-	     * we need one 'real' region to put into the composite clip. if
-	     * pregWin the current composite clip are real, we can get rid of
-	     * one. if pregWin is real and the current composite clip isn't,
-	     * use pregWin for the composite clip. if the current composite
-	     * clip is real and pregWin isn't, use the current composite
-	     * clip. if neither is real, create a new region.
-	     */
-
-	    RegionTranslate(pGC->clientClip,
-					 pDrawable->x + pGC->clipOrg.x,
-					 pDrawable->y + pGC->clipOrg.y);
-
-	    if (freeCompClip)
-	    {
-		RegionIntersect(pGC->pCompositeClip,
-					    pregWin, pGC->clientClip);
-		if (freeTmpClip)
-		    RegionDestroy(pregWin);
-	    }
-	    else if (freeTmpClip)
-	    {
-		RegionIntersect(pregWin, pregWin, pGC->clientClip);
-		pGC->pCompositeClip = pregWin;
-	    }
-	    else
-	    {
-		pGC->pCompositeClip = RegionCreate(NullBox, 0);
-		RegionIntersect(pGC->pCompositeClip,
-				       pregWin, pGC->clientClip);
-	    }
-	    pGC->freeCompClip = TRUE;
-	    RegionTranslate(pGC->clientClip,
-					 -(pDrawable->x + pGC->clipOrg.x),
-					 -(pDrawable->y + pGC->clipOrg.y));
-	}
-    }	/* end of composite clip for a window */
-    else
-    {
-	BoxRec          pixbounds;
-
-	/* XXX should we translate by drawable.x/y here ? */
-	/* If you want pixmaps in offscreen memory, yes */
-	pixbounds.x1 = pDrawable->x;
-	pixbounds.y1 = pDrawable->y;
-	pixbounds.x2 = pDrawable->x + pDrawable->width;
-	pixbounds.y2 = pDrawable->y + pDrawable->height;
-
-	if (pGC->freeCompClip)
-	{
-	    RegionReset(pGC->pCompositeClip, &pixbounds);
-	}
-	else
-	{
-	    pGC->freeCompClip = TRUE;
-	    pGC->pCompositeClip = RegionCreate(&pixbounds, 1);
-	}
-
-	if (pGC->clientClipType == CT_REGION)
-	{
-	    if(pDrawable->x || pDrawable->y) {
-	        RegionTranslate(pGC->clientClip,
-					  pDrawable->x + pGC->clipOrg.x, 
-					  pDrawable->y + pGC->clipOrg.y);
-	        RegionIntersect(pGC->pCompositeClip,
-				pGC->pCompositeClip, pGC->clientClip);
-	        RegionTranslate(pGC->clientClip,
-					  -(pDrawable->x + pGC->clipOrg.x), 
-					  -(pDrawable->y + pGC->clipOrg.y));
-	    } else {
-	        RegionTranslate(pGC->pCompositeClip,
-					 -pGC->clipOrg.x, -pGC->clipOrg.y);
-	        RegionIntersect(pGC->pCompositeClip,
-				pGC->pCompositeClip, pGC->clientClip);
-	        RegionTranslate(pGC->pCompositeClip,
-					 pGC->clipOrg.x, pGC->clipOrg.y);
-	    }
-	}
-    }	/* end of composite clip for pixmap */
-} /* end miComputeCompositeClip */
+/*
+
+Copyright 1993, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "scrnintstr.h"
+#include "gcstruct.h"
+#include "pixmapstr.h"
+#include "windowstr.h"
+#include "migc.h"
+
+/* ARGSUSED */
+void
+miChangeGC(GCPtr pGC, unsigned long mask)
+{
+    return;
+}
+
+void
+miDestroyGC(GCPtr pGC)
+{
+    if (pGC->pRotatedPixmap)
+        (*pGC->pScreen->DestroyPixmap) (pGC->pRotatedPixmap);
+    if (pGC->freeCompClip)
+        RegionDestroy(pGC->pCompositeClip);
+}
+
+void
+miDestroyClip(GCPtr pGC)
+{
+    if (pGC->clientClipType == CT_NONE)
+        return;
+    else if (pGC->clientClipType == CT_PIXMAP) {
+        (*pGC->pScreen->DestroyPixmap) ((PixmapPtr) (pGC->clientClip));
+    }
+    else {
+        /*
+         * we know we'll never have a list of rectangles, since ChangeClip
+         * immediately turns them into a region
+         */
+        RegionDestroy(pGC->clientClip);
+    }
+    pGC->clientClip = NULL;
+    pGC->clientClipType = CT_NONE;
+}
+
+void
+miChangeClip(GCPtr pGC, int type, pointer pvalue, int nrects)
+{
+    (*pGC->funcs->DestroyClip) (pGC);
+    if (type == CT_PIXMAP) {
+        /* convert the pixmap to a region */
+        pGC->clientClip = (pointer) BitmapToRegion(pGC->pScreen,
+                                                   (PixmapPtr) pvalue);
+        (*pGC->pScreen->DestroyPixmap) (pvalue);
+    }
+    else if (type == CT_REGION) {
+        /* stuff the region in the GC */
+        pGC->clientClip = pvalue;
+    }
+    else if (type != CT_NONE) {
+        pGC->clientClip = (pointer) RegionFromRects(nrects,
+                                                    (xRectangle *) pvalue,
+                                                    type);
+        free(pvalue);
+    }
+    pGC->clientClipType = (type != CT_NONE &&
+                           pGC->clientClip) ? CT_REGION : CT_NONE;
+    pGC->stateChanges |= GCClipMask;
+}
+
+void
+miCopyClip(GCPtr pgcDst, GCPtr pgcSrc)
+{
+    RegionPtr prgnNew;
+
+    switch (pgcSrc->clientClipType) {
+    case CT_PIXMAP:
+        ((PixmapPtr) pgcSrc->clientClip)->refcnt++;
+        /* Fall through !! */
+    case CT_NONE:
+        (*pgcDst->funcs->ChangeClip) (pgcDst, (int) pgcSrc->clientClipType,
+                                      pgcSrc->clientClip, 0);
+        break;
+    case CT_REGION:
+        prgnNew = RegionCreate(NULL, 1);
+        RegionCopy(prgnNew, (RegionPtr) (pgcSrc->clientClip));
+        (*pgcDst->funcs->ChangeClip) (pgcDst, CT_REGION, (pointer) prgnNew, 0);
+        break;
+    }
+}
+
+/* ARGSUSED */
+void
+miCopyGC(GCPtr pGCSrc, unsigned long changes, GCPtr pGCDst)
+{
+    return;
+}
+
+void
+miComputeCompositeClip(GCPtr pGC, DrawablePtr pDrawable)
+{
+    if (pDrawable->type == DRAWABLE_WINDOW) {
+        WindowPtr pWin = (WindowPtr) pDrawable;
+        RegionPtr pregWin;
+        Bool freeTmpClip, freeCompClip;
+
+        if (pGC->subWindowMode == IncludeInferiors) {
+            pregWin = NotClippedByChildren(pWin);
+            freeTmpClip = TRUE;
+        }
+        else {
+            pregWin = &pWin->clipList;
+            freeTmpClip = FALSE;
+        }
+        freeCompClip = pGC->freeCompClip;
+
+        /*
+         * if there is no client clip, we can get by with just keeping the
+         * pointer we got, and remembering whether or not should destroy (or
+         * maybe re-use) it later.  this way, we avoid unnecessary copying of
+         * regions.  (this wins especially if many clients clip by children
+         * and have no client clip.)
+         */
+        if (pGC->clientClipType == CT_NONE) {
+            if (freeCompClip)
+                RegionDestroy(pGC->pCompositeClip);
+            pGC->pCompositeClip = pregWin;
+            pGC->freeCompClip = freeTmpClip;
+        }
+        else {
+            /*
+             * we need one 'real' region to put into the composite clip. if
+             * pregWin the current composite clip are real, we can get rid of
+             * one. if pregWin is real and the current composite clip isn't,
+             * use pregWin for the composite clip. if the current composite
+             * clip is real and pregWin isn't, use the current composite
+             * clip. if neither is real, create a new region.
+             */
+
+            RegionTranslate(pGC->clientClip,
+                            pDrawable->x + pGC->clipOrg.x,
+                            pDrawable->y + pGC->clipOrg.y);
+
+            if (freeCompClip) {
+                RegionIntersect(pGC->pCompositeClip, pregWin, pGC->clientClip);
+                if (freeTmpClip)
+                    RegionDestroy(pregWin);
+            }
+            else if (freeTmpClip) {
+                RegionIntersect(pregWin, pregWin, pGC->clientClip);
+                pGC->pCompositeClip = pregWin;
+            }
+            else {
+                pGC->pCompositeClip = RegionCreate(NullBox, 0);
+                RegionIntersect(pGC->pCompositeClip, pregWin, pGC->clientClip);
+            }
+            pGC->freeCompClip = TRUE;
+            RegionTranslate(pGC->clientClip,
+                            -(pDrawable->x + pGC->clipOrg.x),
+                            -(pDrawable->y + pGC->clipOrg.y));
+        }
+    }                           /* end of composite clip for a window */
+    else {
+        BoxRec pixbounds;
+
+        /* XXX should we translate by drawable.x/y here ? */
+        /* If you want pixmaps in offscreen memory, yes */
+        pixbounds.x1 = pDrawable->x;
+        pixbounds.y1 = pDrawable->y;
+        pixbounds.x2 = pDrawable->x + pDrawable->width;
+        pixbounds.y2 = pDrawable->y + pDrawable->height;
+
+        if (pGC->freeCompClip) {
+            RegionReset(pGC->pCompositeClip, &pixbounds);
+        }
+        else {
+            pGC->freeCompClip = TRUE;
+            pGC->pCompositeClip = RegionCreate(&pixbounds, 1);
+        }
+
+        if (pGC->clientClipType == CT_REGION) {
+            if (pDrawable->x || pDrawable->y) {
+                RegionTranslate(pGC->clientClip,
+                                pDrawable->x + pGC->clipOrg.x,
+                                pDrawable->y + pGC->clipOrg.y);
+                RegionIntersect(pGC->pCompositeClip,
+                                pGC->pCompositeClip, pGC->clientClip);
+                RegionTranslate(pGC->clientClip,
+                                -(pDrawable->x + pGC->clipOrg.x),
+                                -(pDrawable->y + pGC->clipOrg.y));
+            }
+            else {
+                RegionTranslate(pGC->pCompositeClip,
+                                -pGC->clipOrg.x, -pGC->clipOrg.y);
+                RegionIntersect(pGC->pCompositeClip,
+                                pGC->pCompositeClip, pGC->clientClip);
+                RegionTranslate(pGC->pCompositeClip,
+                                pGC->clipOrg.x, pGC->clipOrg.y);
+            }
+        }
+    }                           /* end of composite clip for pixmap */
+}                               /* end miComputeCompositeClip */