diff options
Diffstat (limited to 'mi/miwideline.h')
| -rw-r--r-- | mi/miwideline.h | 81 |
1 files changed, 40 insertions, 41 deletions
diff --git a/mi/miwideline.h b/mi/miwideline.h index e08aa6833..110541120 100644 --- a/mi/miwideline.h +++ b/mi/miwideline.h @@ -29,35 +29,35 @@ from The Open Group. /* Author: Keith Packard, MIT X Consortium */ #include "mispans.h" -#include "mifpoly.h" /* for ICEIL */ +#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; + 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 */ +#define SQSECANT 108.856472512142 /* 1/sin^2(11/2) - miter limit constant */ /* * types for general polygon routines */ typedef struct _PolyVertex { - double x, y; + double x, y; } PolyVertexRec, *PolyVertexPtr; typedef struct _PolySlope { - int dx, dy; - double k; /* x0 * dy - y0 * dx */ + int dx, dy; + double k; /* x0 * dy - y0 * dx */ } PolySlopeRec, *PolySlopePtr; /* @@ -65,10 +65,10 @@ typedef struct _PolySlope { */ typedef struct _LineFace { - double xa, ya; - int dx, dy; - int x, y; - double k; + double xa, ya; + int dx, dy; + int x, y; + double k; } LineFaceRec, *LineFacePtr; /* @@ -93,28 +93,27 @@ typedef struct _LineFace { } \ } -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); - +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); |