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Diffstat (limited to 'xorg-server/mi/miwideline.h')
-rw-r--r--xorg-server/mi/miwideline.h239
1 files changed, 119 insertions, 120 deletions
diff --git a/xorg-server/mi/miwideline.h b/xorg-server/mi/miwideline.h
index 05d026a38..110541120 100644
--- a/xorg-server/mi/miwideline.h
+++ b/xorg-server/mi/miwideline.h
@@ -1,120 +1,119 @@
-/*
-
-Copyright 1988, 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.
-
-*/
-
-/* Author: Keith Packard, MIT X Consortium */
-
-#include "mispans.h"
-#include "mifpoly.h" /* for ICEIL */
-
-/*
- * Polygon edge description for integer wide-line routines
- */
-
-typedef struct _PolyEdge {
- int height; /* number of scanlines to process */
- int x; /* starting x coordinate */
- int stepx; /* fixed integral dx */
- int signdx; /* variable dx sign */
- int e; /* initial error term */
- int dy;
- int dx;
-} PolyEdgeRec, *PolyEdgePtr;
-
-#define SQSECANT 108.856472512142 /* 1/sin^2(11/2) - miter limit constant */
-
-/*
- * types for general polygon routines
- */
-
-typedef struct _PolyVertex {
- double x, y;
-} PolyVertexRec, *PolyVertexPtr;
-
-typedef struct _PolySlope {
- int dx, dy;
- double k; /* x0 * dy - y0 * dx */
-} PolySlopeRec, *PolySlopePtr;
-
-/*
- * Line face description for caps/joins
- */
-
-typedef struct _LineFace {
- double xa, ya;
- int dx, dy;
- int x, y;
- double k;
-} LineFaceRec, *LineFacePtr;
-
-/*
- * macros for polygon fillers
- */
-
-#define MILINESETPIXEL(pDrawable, pGC, pixel, oldPixel) { \
- oldPixel = pGC->fgPixel; \
- if (pixel != oldPixel) { \
- ChangeGCVal gcval; \
- gcval.val = pixel; \
- ChangeGC (NullClient, pGC, GCForeground, &gcval); \
- ValidateGC (pDrawable, pGC); \
- } \
-}
-#define MILINERESETPIXEL(pDrawable, pGC, pixel, oldPixel) { \
- if (pixel != oldPixel) { \
- ChangeGCVal gcval; \
- gcval.val = oldPixel; \
- ChangeGC (NullClient, pGC, GCForeground, &gcval); \
- ValidateGC (pDrawable, pGC); \
- } \
-}
-
-extern _X_EXPORT void miRoundJoinClip(
- LineFacePtr /*pLeft*/,
- LineFacePtr /*pRight*/,
- PolyEdgePtr /*edge1*/,
- PolyEdgePtr /*edge2*/,
- int * /*y1*/,
- int * /*y2*/,
- Bool * /*left1*/,
- Bool * /*left2*/
-);
-
-extern _X_EXPORT int miRoundCapClip(
- LineFacePtr /*face*/,
- Bool /*isInt*/,
- PolyEdgePtr /*edge*/,
- Bool * /*leftEdge*/
-);
-
-extern _X_EXPORT int miPolyBuildEdge(double x0, double y0, double k, int dx, int dy,
- int xi, int yi, int left, PolyEdgePtr edge);
-extern _X_EXPORT int miPolyBuildPoly(PolyVertexPtr vertices, PolySlopePtr slopes,
- int count, int xi, int yi, PolyEdgePtr left,
- PolyEdgePtr right, int *pnleft, int *pnright,
- int *h);
-
+/*
+
+Copyright 1988, 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.
+
+*/
+
+/* Author: Keith Packard, MIT X Consortium */
+
+#include "mispans.h"
+#include "mifpoly.h" /* for ICEIL */
+
+/*
+ * Polygon edge description for integer wide-line routines
+ */
+
+typedef struct _PolyEdge {
+ int height; /* number of scanlines to process */
+ int x; /* starting x coordinate */
+ int stepx; /* fixed integral dx */
+ int signdx; /* variable dx sign */
+ int e; /* initial error term */
+ int dy;
+ int dx;
+} PolyEdgeRec, *PolyEdgePtr;
+
+#define SQSECANT 108.856472512142 /* 1/sin^2(11/2) - miter limit constant */
+
+/*
+ * types for general polygon routines
+ */
+
+typedef struct _PolyVertex {
+ double x, y;
+} PolyVertexRec, *PolyVertexPtr;
+
+typedef struct _PolySlope {
+ int dx, dy;
+ double k; /* x0 * dy - y0 * dx */
+} PolySlopeRec, *PolySlopePtr;
+
+/*
+ * Line face description for caps/joins
+ */
+
+typedef struct _LineFace {
+ double xa, ya;
+ int dx, dy;
+ int x, y;
+ double k;
+} LineFaceRec, *LineFacePtr;
+
+/*
+ * macros for polygon fillers
+ */
+
+#define MILINESETPIXEL(pDrawable, pGC, pixel, oldPixel) { \
+ oldPixel = pGC->fgPixel; \
+ if (pixel != oldPixel) { \
+ ChangeGCVal gcval; \
+ gcval.val = pixel; \
+ ChangeGC (NullClient, pGC, GCForeground, &gcval); \
+ ValidateGC (pDrawable, pGC); \
+ } \
+}
+#define MILINERESETPIXEL(pDrawable, pGC, pixel, oldPixel) { \
+ if (pixel != oldPixel) { \
+ ChangeGCVal gcval; \
+ gcval.val = oldPixel; \
+ ChangeGC (NullClient, pGC, GCForeground, &gcval); \
+ ValidateGC (pDrawable, pGC); \
+ } \
+}
+
+extern _X_EXPORT void miRoundJoinClip(LineFacePtr /*pLeft */ ,
+ LineFacePtr /*pRight */ ,
+ PolyEdgePtr /*edge1 */ ,
+ PolyEdgePtr /*edge2 */ ,
+ int * /*y1 */ ,
+ int * /*y2 */ ,
+ Bool * /*left1 */ ,
+ Bool * /*left2 */
+ );
+
+extern _X_EXPORT int miRoundCapClip(LineFacePtr /*face */ ,
+ Bool /*isInt */ ,
+ PolyEdgePtr /*edge */ ,
+ Bool * /*leftEdge */
+ );
+
+extern _X_EXPORT int miPolyBuildEdge(double x0, double y0, double k, int dx,
+ int dy, int xi, int yi, int left,
+ PolyEdgePtr edge);
+extern _X_EXPORT int miPolyBuildPoly(PolyVertexPtr vertices,
+ PolySlopePtr slopes, int count, int xi,
+ int yi, PolyEdgePtr left,
+ PolyEdgePtr right, int *pnleft,
+ int *pnright, int *h);