Fixed bug in evaluating catmull-rom curves with straight segments at 0 or 1

Fixes #5072
2018-12-10 17:26:22 +01:00 · 2018-12-10 17:26:22 +01:00 · 7a918fa373
commit 7a918fa373
parent fd48b34cd5
1 changed files with 3 additions and 0 deletions
--- a/rtengine/diagonalcurves.cc
+++ b/rtengine/diagonalcurves.cc
@ -326,6 +326,9 @@ inline void catmull_rom_spline(int n_points,
    if (p1_y == p2_y && (p1_y == 0 || p1_y == 1)) {
        for (i = 1; i < n_points-1; ++i) {
            t = p1_x + space * i;
+            if (t >= p2_x) {
+                break;
+            }
            res_x.push_back(t);
            res_y.push_back(p1_y);
        }