Initial revisionXORG-STABLE

1 files changed, 35 insertions, 0 deletions

diff --git a/transform.h b/transform.h
new file mode 100644
index 0000000..b22620d
--- /dev/null
+++ b/transform.h
@@ -0,0 +1,35 @@
+/*
+ * header file for transformed coordinate system.  No rotations
+ * supported, as elipses cannot be rotated in X.
+ */
+/* $XFree86: xc/programs/xeyes/transform.h,v 1.3 2000/02/17 14:00:35 dawes Exp $ */
+
+typedef struct _transform {
+	double	mx, bx;
+	double	my, by;
+} Transform;
+
+typedef struct _TPoint {
+	double	x, y;
+} TPoint;
+
+typedef struct _TRectangle {
+	double	x, y, width, height;
+} TRectangle;
+
+# define Xx(x,y,t)	((int)((t)->mx * (x) + (t)->bx + 0.5))
+# define Xy(x,y,t)	((int)((t)->my * (y) + (t)->by + 0.5))
+# define Xwidth(w,h,t)	((int)((t)->mx * (w) + 0.5))
+# define Xheight(w,h,t)	((int)((t)->my * (h) + 0.5))
+# define Tx(x,y,t)	((((double) (x)) - (t)->bx) / (t)->mx)
+# define Ty(x,y,t)	((((double) (y)) - (t)->by) / (t)->my)
+# define Twidth(w,h,t)	(((double) (w)) / (t)->mx)
+# define Theight(w,h,t)	(((double) (h)) / (t)->my)
+
+extern void TFillArc (Display *dpy, Drawable d, GC gc,
+                      Transform *t,
+                      double x, double y, double width, double height,
+                      int angle1, int angle2);
+extern void SetTransform (Transform *t,
+                          int xx1, int xx2, int xy1, int xy2,
+                          double tx1, double tx2, double ty1, double ty2);