initial state (xorg-server 1.10.2)

1 files changed, 370 insertions, 0 deletions

diff --git a/include/regionstr.h b/include/regionstr.h
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+/***********************************************************
+
+Copyright 1987, 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.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifndef REGIONSTRUCT_H
+#define REGIONSTRUCT_H
+
+typedef struct pixman_region16 RegionRec, *RegionPtr;
+
+#include "miscstruct.h"
+
+/* Return values from RectIn() */
+
+#define rgnOUT 0
+#define rgnIN  1
+#define rgnPART 2
+
+#define NullRegion ((RegionPtr)0)
+
+/*
+ *   clip region
+ */
+
+typedef struct pixman_region16_data RegDataRec, *RegDataPtr;
+
+extern _X_EXPORT BoxRec RegionEmptyBox;
+extern _X_EXPORT RegDataRec RegionEmptyData;
+extern _X_EXPORT RegDataRec RegionBrokenData;
+static inline Bool RegionNil(RegionPtr reg) {
+    return ((reg)->data && !(reg)->data->numRects);
+}
+
+/* not a region */
+
+static inline Bool RegionNar(RegionPtr reg) {
+    return ((reg)->data == &RegionBrokenData);
+}
+
+static inline int RegionNumRects(RegionPtr reg) {
+    return ((reg)->data ? (reg)->data->numRects : 1);
+}
+
+static inline int RegionSize(RegionPtr reg) {
+    return ((reg)->data ? (reg)->data->size : 0);
+}
+
+static inline BoxPtr RegionRects(RegionPtr reg) {
+    return ((reg)->data ? (BoxPtr)((reg)->data + 1) : &(reg)->extents);
+}
+
+static inline BoxPtr RegionBoxptr(RegionPtr reg) {
+    return ((BoxPtr)((reg)->data + 1));
+}
+
+static inline BoxPtr RegionBox(RegionPtr reg, int i) {
+    return (&RegionBoxptr(reg)[i]);
+}
+
+static inline BoxPtr RegionTop(RegionPtr reg) {
+    return RegionBox(reg, (reg)->data->numRects);
+}
+
+static inline BoxPtr RegionEnd(RegionPtr reg) {
+    return RegionBox(reg, (reg)->data->numRects - 1);
+}
+
+static inline size_t RegionSizeof(int n) {
+    return (sizeof(RegDataRec) + ((n) * sizeof(BoxRec)));
+}
+
+static inline void RegionInit(RegionPtr _pReg, BoxPtr _rect, int _size)
+{
+    if ((_rect) != NULL)
+    {
+        (_pReg)->extents = *(_rect);
+        (_pReg)->data = (RegDataPtr)NULL;
+    }
+    else
+    {
+        (_pReg)->extents = RegionEmptyBox;
+        if (((_size) > 1) && ((_pReg)->data =
+			      (RegDataPtr)malloc(RegionSizeof(_size))))
+        {
+            (_pReg)->data->size = (_size);
+            (_pReg)->data->numRects = 0;
+        }
+        else
+            (_pReg)->data = &RegionEmptyData;
+    }
+}
+
+static inline void RegionUninit(RegionPtr _pReg)
+{
+    if ((_pReg)->data && (_pReg)->data->size) {
+	free((_pReg)->data);
+	(_pReg)->data = NULL;
+    }
+}
+
+static inline void RegionReset(RegionPtr _pReg, BoxPtr _pBox)
+{
+    (_pReg)->extents = *(_pBox);
+    RegionUninit(_pReg);
+    (_pReg)->data = (RegDataPtr)NULL;
+}
+
+static inline Bool RegionNotEmpty(RegionPtr _pReg) {
+    return !RegionNil(_pReg);
+}
+
+static inline Bool RegionBroken(RegionPtr _pReg) {
+    return RegionNar(_pReg);
+}
+
+static inline void RegionEmpty(RegionPtr _pReg)
+{
+    RegionUninit(_pReg);
+    (_pReg)->extents.x2 = (_pReg)->extents.x1;
+    (_pReg)->extents.y2 = (_pReg)->extents.y1;
+    (_pReg)->data = &RegionEmptyData;
+}
+
+static inline BoxPtr RegionExtents(RegionPtr _pReg)
+{
+    return (&(_pReg)->extents);
+}
+
+static inline void RegionNull(RegionPtr _pReg)
+{
+    (_pReg)->extents = RegionEmptyBox;
+    (_pReg)->data = &RegionEmptyData;
+}
+
+extern _X_EXPORT void InitRegions(void);
+
+extern _X_EXPORT RegionPtr RegionCreate(
+    BoxPtr /*rect*/,
+    int /*size*/);
+
+extern _X_EXPORT void RegionDestroy(
+    RegionPtr /*pReg*/);
+
+static inline Bool
+RegionCopy(RegionPtr dst, RegionPtr src)
+{
+    return pixman_region_copy (dst, src);
+}
+
+static inline Bool
+RegionIntersect(
+    RegionPtr	newReg,     /* destination Region */
+    RegionPtr	reg1,
+    RegionPtr	reg2        /* source regions     */
+    )
+{
+    return pixman_region_intersect (newReg, reg1, reg2);
+}
+
+static inline Bool
+RegionUnion(
+    RegionPtr	newReg,          /* destination Region */
+    RegionPtr	reg1,
+    RegionPtr	reg2             /* source regions     */
+    )
+{
+    return pixman_region_union (newReg, reg1, reg2);
+}
+
+extern _X_EXPORT Bool RegionAppend(
+    RegionPtr /*dstrgn*/,
+    RegionPtr /*rgn*/);
+
+extern _X_EXPORT Bool RegionValidate(
+    RegionPtr /*badreg*/,
+    Bool * /*pOverlap*/);
+
+extern _X_EXPORT RegionPtr RegionFromRects(
+    int /*nrects*/,
+    xRectanglePtr /*prect*/,
+    int /*ctype*/);
+
+/*-
+ *-----------------------------------------------------------------------
+ * Subtract --
+ *	Subtract regS from regM and leave the result in regD.
+ *	S stands for subtrahend, M for minuend and D for difference.
+ *
+ * Results:
+ *	TRUE if successful.
+ *
+ * Side Effects:
+ *	regD is overwritten.
+ *
+ *-----------------------------------------------------------------------
+ */
+static inline Bool
+RegionSubtract(RegionPtr regD, RegionPtr regM, RegionPtr regS)
+{
+    return pixman_region_subtract (regD, regM, regS);
+}
+
+/*-
+ *-----------------------------------------------------------------------
+ * Inverse --
+ *	Take a region and a box and return a region that is everything
+ *	in the box but not in the region. The careful reader will note
+ *	that this is the same as subtracting the region from the box...
+ *
+ * Results:
+ *	TRUE.
+ *
+ * Side Effects:
+ *	newReg is overwritten.
+ *
+ *-----------------------------------------------------------------------
+ */
+
+static inline Bool
+RegionInverse(
+    RegionPtr	  newReg,       /* Destination region */
+    RegionPtr	  reg1,         /* Region to invert */
+    BoxPtr	  invRect	/* Bounding box for inversion */
+    )
+{
+    return pixman_region_inverse (newReg, reg1, invRect);
+}
+
+static inline int
+RegionContainsRect(RegionPtr region, BoxPtr prect)
+{
+    return pixman_region_contains_rectangle (region, prect);
+}
+
+/* TranslateRegion(pReg, x, y)
+   translates in place
+*/
+
+static inline void
+RegionTranslate(RegionPtr pReg, int x, int y)
+{
+    pixman_region_translate (pReg, x, y);
+}
+
+extern _X_EXPORT Bool RegionBreak(
+    RegionPtr /*pReg*/);
+
+static inline Bool
+RegionContainsPoint(
+    RegionPtr pReg,
+    int x,
+    int y,
+    BoxPtr box      /* "return" value */
+    )
+{
+    return pixman_region_contains_point (pReg, x, y, box);
+}
+
+static inline Bool
+RegionEqual(RegionPtr reg1, RegionPtr reg2)
+{
+    return pixman_region_equal (reg1, reg2);
+}
+
+extern _X_EXPORT Bool RegionRectAlloc(
+    RegionPtr /*pRgn*/,
+    int /*n*/
+);
+
+#ifdef DEBUG
+extern _X_EXPORT Bool RegionIsValid(
+    RegionPtr /*prgn*/
+);
+#endif
+
+extern _X_EXPORT void RegionPrint(
+    RegionPtr /*pReg*/);
+
+extern _X_EXPORT int RegionClipSpans(
+    RegionPtr /*prgnDst*/,
+    DDXPointPtr /*ppt*/,
+    int * /*pwidth*/,
+    int /*nspans*/,
+    DDXPointPtr /*pptNew*/,
+    int * /*pwidthNew*/,
+    int /*fSorted*/
+);
+
+#define INCLUDE_LEGACY_REGION_DEFINES
+#ifdef INCLUDE_LEGACY_REGION_DEFINES
+
+#define REGION_NIL				RegionNil
+#define REGION_NAR				RegionNar
+#define REGION_NUM_RECTS			RegionNumRects
+#define REGION_SIZE				RegionSize
+#define REGION_RECTS				RegionRects
+#define REGION_BOXPTR				RegionBoxptr
+#define REGION_BOX				RegionBox
+#define REGION_TOP				RegionTop
+#define REGION_END				RegionEnd
+#define REGION_SZOF				RegionSizeof
+#define BITMAP_TO_REGION			BitmapToRegion
+#define REGION_CREATE(pScreen, r, s)		RegionCreate(r,s)
+#define REGION_COPY(pScreen, d, r)		RegionCopy(d, r)
+#define REGION_DESTROY(pScreen, r)		RegionDestroy(r)
+#define REGION_INTERSECT(pScreen, res, r1, r2)	RegionIntersect(res, r1, r2)
+#define REGION_UNION(pScreen, res, r1, r2)	RegionUnion(res, r1, r2)
+#define REGION_SUBTRACT(pScreen, res, r1, r2)	RegionSubtract(res, r1, r2)
+#define REGION_INVERSE(pScreen, n, r, b)	RegionInverse(n, r, b)
+#define REGION_TRANSLATE(pScreen, r, x, y)	RegionTranslate(r, x, y)
+#define RECT_IN_REGION(pScreen, r, b) 		RegionContainsRect(r, b)
+#define POINT_IN_REGION(pScreen, r, x, y, b) 	RegionContainsPoint(r, x, y, b)
+#define REGION_EQUAL(pScreen, r1, r2)		RegionEqual(r1, r2)
+#define REGION_APPEND(pScreen, d, r)		RegionAppend(d, r)
+#define REGION_VALIDATE(pScreen, r, o)		RegionValidate(r, o)
+#define RECTS_TO_REGION(pScreen, n, r, c)	RegionFromRects(n, r, c)
+#define REGION_BREAK(pScreen, r)		RegionBreak(r)
+#define REGION_INIT(pScreen, r, b, s)		RegionInit(r, b, s)
+#define REGION_UNINIT(pScreen, r)		RegionUninit(r)
+#define REGION_RESET(pScreen, r, b)		RegionReset(r, b)
+#define REGION_NOTEMPTY(pScreen, r)		RegionNotEmpty(r)
+#define REGION_BROKEN(pScreen, r)		RegionBroken(r)
+#define REGION_EMPTY(pScreen, r)		RegionEmpty(r)
+#define REGION_EXTENTS(pScreen, r)		RegionExtents(r)
+#define REGION_NULL(pScreen, r)			RegionNull(r)
+
+#endif /* INCLUDE_LEGACY_REGION_DEFINES */
+#endif /* REGIONSTRUCT_H */