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diff base/Layer.h @ 15:47500c27ac26

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* Add getXForFrame / getFrameForX in preference to using the zoom level everywhere
author Chris Cannam
date Mon, 30 Jan 2006 13:19:42 +0000
parents 1fa7cc0d008b
children 4563a72c1d8b
line wrap: on
line diff
--- a/base/Layer.h	Fri Jan 27 18:04:07 2006 +0000
+++ b/base/Layer.h	Mon Jan 30 13:19:42 2006 +0000
@@ -149,6 +149,17 @@
     virtual void setObjectName(const QString &name);
 
     /**
+     * Return the pixel x-coordinate corresponding to a given sample
+     * frame (which may be negative).
+     */
+    int getXForFrame(long frame) const;
+
+    /**
+     * Return the closest frame to the given pixel x-coordinate.
+     */
+    long getFrameForX(int x) const;
+
+    /**
      * Convert the layer's data (though not those of the model it
      * refers to) into an XML string for file output.  This class
      * implements the basic name/type/model-id output; subclasses will