additional patchgui height icons, perspective test for zero area, es.po update

[goodguy/cinelerra.git] / cinelerra-5.1 / plugins / perspective / perspective.C

diff --git a/cinelerra-5.1/plugins/perspective/perspective.C b/cinelerra-5.1/plugins/perspective/perspective.C
index 6ad79e5f89f5ea583a1a7a651dd30ba8ee07a858..3bfa66fe7f13e7164fa7d2c53b725082074b41d1 100644 (file)
--- a/cinelerra-5.1/plugins/perspective/perspective.C
+++ b/cinelerra-5.1/plugins/perspective/perspective.C
@@ -810,6 +810,12 @@ int PerspectiveMain::process_buffer(VFrame *frame,
            EQUIV(config.x3, 100) && EQUIV(config.y3, 100) &&
            EQUIV(config.x4, 0)   && EQUIV(config.y4, 100) )
                return 1;
+       if( config.mode == AffineEngine::PERSPECTIVE &&
+           ( (EQUIV(config.x1, config.x2) && EQUIV(config.x3, config.x4)) ||
+             (EQUIV(config.y1, config.y3) && EQUIV(config.y2, config.y4)) ) ) {
+               frame->clear_frame();
+               return 0;
+       }
 
        if( !engine ) {
                int cpus = get_project_smp() + 1;