int viewportPixelHeight() const;
//! return viewport width in pixels
int viewportPixelWidth() const;
+
+ //! convert x axis from display to world coordinates
+ float viewportXtoWorldX(int x);
+ //! convert y axis from display to world coordinates
+ float viewportYtoWorldY(int y);
//! zoom out far enough to show the full size of the sequence
double zoomOut();
std::list<TrackRegion> selected_tracks;
typedef std::list<TrackRegion>::iterator selected_track_iterator;
};
+
+inline float GlSeqBrowser::viewportXtoWorldX(int x) {
+ GLfloat x_scale = cur_ortho.width()/((float)viewport_size.x);
+ return (cur_ortho.left + (x * x_scale));
+}
+
+inline float GlSeqBrowser::viewportYtoWorldY(int y) {
+ GLfloat y_scale = cur_ortho.height()/((float)viewport_size.y);
+ return cur_ortho.top-(y * y_scale);
+}
+
#endif