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xoverlay: allow render rectangle coordinates to be negative

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This is useful for cropped zooming of the overlay.
This commit is contained in:
René Stadler 2010-06-17 14:33:44 +03:00
parent cfa7bf7400
commit 85e2c17f32
1 changed files with 3 additions and 3 deletions
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6
gst-libs/gst/interfaces/xoverlay.c
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@ -537,7 +537,7 @@ gst_x_overlay_handle_events (GstXOverlay * overlay, gboolean handle_events)
* By specifying the rectangle, the video can be overlayed to a specific region * By specifying the rectangle, the video can be overlayed to a specific region
* of that window only. After setting the new rectangle one should call * of that window only. After setting the new rectangle one should call
* gst_x_overlay_expose() to force a redraw. To unset the region pass -1 for * gst_x_overlay_expose() to force a redraw. To unset the region pass -1 for
* the @x, @y, @width, and @height parameters. * the @width and @height parameters.
* *
* This method is needed for non fullscreen video overlay in UI toolkits that * This method is needed for non fullscreen video overlay in UI toolkits that
* do not support subwindows. * do not support subwindows.
@ -554,8 +554,8 @@ gst_x_overlay_set_render_rectangle (GstXOverlay * overlay,
g_return_val_if_fail (overlay != NULL, FALSE); g_return_val_if_fail (overlay != NULL, FALSE);
g_return_val_if_fail (GST_IS_X_OVERLAY (overlay), FALSE); g_return_val_if_fail (GST_IS_X_OVERLAY (overlay), FALSE);
g_return_val_if_fail ((x == -1 && y == -1 && width == -1 && height == -1) || g_return_val_if_fail ((width == -1 && height == -1) ||
(x >= 0 && y >= 0 && width > 0 && height > 0), FALSE); (width > 0 && height > 0), FALSE);
klass = GST_X_OVERLAY_GET_CLASS (overlay); klass = GST_X_OVERLAY_GET_CLASS (overlay);