Initial import

1 files changed, 46 insertions, 0 deletions

diff --git a/include/fitz/scanconv.h b/include/fitz/scanconv.h
new file mode 100644
index 00000000..f391a387
--- /dev/null
+++ b/include/fitz/scanconv.h
@@ -0,0 +1,46 @@
+typedef struct fz_edge_s fz_edge;
+typedef struct fz_gel_s fz_gel;
+typedef struct fz_ael_s fz_ael;
+
+struct fz_edge_s
+{
+	int x, e, h, y;
+	int adjup, adjdown;
+	int xmove;
+	int xdir, ydir;     /* -1 or +1 */
+};
+
+struct fz_gel_s
+{
+	int hs, vs;
+	int xmin, xmax;
+	int ymin, ymax;
+	int cap;
+	int len;
+	fz_edge *edges;
+};
+
+struct fz_ael_s
+{
+	int cap;
+	int len;
+	fz_edge **edges;
+};
+
+fz_error *fz_newgel(fz_gel **gelp);
+fz_error *fz_insertgel(fz_gel *gel, float x0, float y0, float x1, float y1);
+void fz_resetgel(fz_gel *gel, int hs, int vs);
+void fz_sortgel(fz_gel *gel);
+void fz_freegel(fz_gel *gel);
+
+fz_error *fz_newael(fz_ael **aelp);
+fz_error *fz_insertael(fz_ael *ael, fz_gel *gel, int y, int *e);
+void fz_advanceael(fz_ael *ael);
+void fz_freeael(fz_ael *ael);
+
+fz_error *fz_scanconvert(fz_gel *gel, fz_ael *ael, int eofill);
+
+fz_error *fz_fillpath(fz_gel *gel, fz_path *path, fz_matrix ctm, float flatness);
+fz_error *fz_strokepath(fz_gel *gel, fz_path *path, fz_matrix ctm, float flatness);
+fz_error *fz_dashpath(fz_gel *gel, fz_path *path, fz_matrix ctm, float flatness);
+