upgraded to 3.4.3.

[swftools.git] / pdf2swf / ttf2pt1 / pt1.h

diff --git a/pdf2swf/ttf2pt1/pt1.h b/pdf2swf/ttf2pt1/pt1.h
index 7540531..4f65f88 100644 (file)
--- a/pdf2swf/ttf2pt1/pt1.h
+++ b/pdf2swf/ttf2pt1/pt1.h
@@ -19,6 +19,9 @@ typedef struct gentry {
 #define bkwd cntr[0]
 #define frwd cntr[1]
 
+       /* various extended structures used at some stage of transformation */
+       void *ext; 
+
        union {
                struct {
                        int  val[2][3]; /* integer values */
@@ -49,6 +52,7 @@ typedef struct gentry {
 
        char            flags; 
 #define GEF_FLOAT      0x02 /* entry contains floating point data */
+#define GEF_LINE       0x04 /* entry looks like a line even if it's a curve */
 
        unsigned char   dir; /* used to temporarily store the values for
                                * the directions of the ends of curves */
@@ -73,6 +77,10 @@ typedef struct gentry {
 #define GE_LINE 'L'
 #define GE_CURVE 'C'
 #define GE_PATH 'P'
+
+       /* indexes of the points to be used for calculation of the tangents */
+       signed char     ftg; /* front tangent */
+       signed char     rtg; /* rear tangent, -1 means "idx 2 of the previous entry" */
 }               GENTRY;
 
 /* stem structure, describes one [hv]stem  */
@@ -178,6 +186,14 @@ typedef struct glyph {
 
 }               GLYPH;
 
+/* description of a dot for calculation of its distance to a curve */
+
+struct dot_dist {
+       double p[2 /*X,Y*/]; /* coordinates of a dot */
+       double dist2; /* squared distance from the dot to the curve */
+       short seg; /* the closest segment of the curve */
+};
+
 extern int      stdhw, stdvw;  /* dominant stems widths */
 extern int      stemsnaph[12], stemsnapv[12];  /* most typical stem width */
 
@@ -232,3 +248,10 @@ void stemstatistics(void);
 void docorrectwidth(void);
 void addkernpair( unsigned id1, unsigned id2, int unscval);
 void print_kerning( FILE *afm_file);
+
+int fcrossrayscv( double curve[4][2], double *max1, double *max2);
+int fcrossraysge( GENTRY *ge1, GENTRY *ge2, double *max1, double *max2,
+       double crossdot[2][2]);
+double fdotsegdist2( double seg[2][2], double dot[2]);
+double fdotcurvdist2( double curve[4][2], struct dot_dist *dots, int ndots, double *maxp);
+void fapproxcurve( double cv[4][2], struct dot_dist *dots, int ndots);