libgui|GLTarget: Querying currently used area of the target

skyjake · Dec 21, 2013 · 5772da8 · 5772da8
1 parent c6f4d05
commit 5772da8
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diff --git a/doomsday/libgui/include/de/gui/gltarget.h b/doomsday/libgui/include/de/gui/gltarget.h
@@ -301,6 +301,13 @@ class LIBGUI_PUBLIC GLTarget : public Asset
     Rectangleui const &activeRect() const;
     bool hasActiveRect() const;
 
+    /**
+     * Returns the area of the target currently in use. This is the full area
+     * of the target, if there is no active rectangle specified. Otherwise
+     * some sub-area of the target is returned.
+     */
+    Rectangleui rectInUse() const;
+
 private:
     DENG2_PRIVATE(d)
 };

diff --git a/doomsday/libgui/src/gltarget.cpp b/doomsday/libgui/src/gltarget.cpp
@@ -708,4 +708,13 @@ bool GLTarget::hasActiveRect() const
     return !d->activeRect.isNull();
 }
 
+Rectangleui GLTarget::rectInUse() const
+{
+    if(hasActiveRect())
+    {
+        return activeRect();
+    }
+    return Rectangleui::fromSize(size());
+}
+
 } // namespace de