add auto zoombar/status color, fix 3 batchrender boobies, rotate plugin tweaks, add...

[goodguy/cinelerra.git] / cinelerra-5.1 / cinelerra / affine.C

diff --git a/cinelerra-5.1/cinelerra/affine.C b/cinelerra-5.1/cinelerra/affine.C
index a59d6e3ee9997372f5b9c4eede18f44ac0d96a17..25af1c983a7d0493f429b8a5ee98bfa9d6411c04 100644 (file)
--- a/cinelerra-5.1/cinelerra/affine.C
+++ b/cinelerra-5.1/cinelerra/affine.C
@@ -811,10 +811,10 @@ void AffineEngine::rotate(VFrame *output,
 
 // All subscripts are clockwise around the quadrangle
        angle = angle * 2 * M_PI / 360;
-       double angle1 = atan((double)(in_pivot_y - in_y) / (double)(in_pivot_x - in_x)) + angle;
-       double angle2 = atan((double)(in_x + in_w - in_pivot_x) / (double)(in_pivot_y - in_y)) + angle;
-       double angle3 = atan((double)(in_y + in_h - in_pivot_y) / (double)(in_x + in_w - in_pivot_x)) + angle;
-       double angle4 = atan((double)(in_pivot_x - in_x) / (double)(in_y + in_h - in_pivot_y)) + angle;
+       double angle1 = atan2((double)(in_pivot_y - in_y), (double)(in_pivot_x - in_x)) + angle;
+       double angle2 = atan2((double)(in_x + in_w - in_pivot_x), (double)(in_pivot_y - in_y)) + angle;
+       double angle3 = atan2((double)(in_y + in_h - in_pivot_y), (double)(in_x + in_w - in_pivot_x)) + angle;
+       double angle4 = atan2((double)(in_pivot_x - in_x), (double)(in_y + in_h - in_pivot_y)) + angle;
        double radius1 = DISTANCE(in_x, in_y, in_pivot_x, in_pivot_y);
        double radius2 = DISTANCE(in_x + in_w, in_y, in_pivot_x, in_pivot_y);
        double radius3 = DISTANCE(in_x + in_w, in_y + in_h, in_pivot_x, in_pivot_y);