Allow nested frame buffer binds.

Allow windows with frame buffers.
Allow resize frame buffers.

--HG--
branch : dev

include/eepp/graphics/framebuffer.hpp

@@ -41,6 +41,9 @@ class EE_API FrameBuffer {
 		**	This is needed by the engine to recover any context lost. */
 		virtual void reload() = 0;
 
+		/** @brief Resizes the current Frame Buffer */
+		virtual void resize( const Uint32& Width, const Uint32& Height ) = 0;
+
 		/** @return The frame buffer texture. Everything is rendered to this texture.
 		** To render the frame buffer you just need to draw the texture as any other texture.
 		** The frame buffer must be unbinded before any rendering is done outside the frame buffer.
@@ -73,6 +76,7 @@ class EE_API FrameBuffer {
 		bool		mHasStencilBuffer;
 		Texture *	mTexture;
 		ColorAf	mClearColor;
+		View		mView;
 		View 		mPrevView;
 		float		mProjMat[16];
 

include/eepp/ui/uicontrol.hpp

@@ -159,12 +159,16 @@ class EE_API UIControl {
 
 		Uint32 isScaled();
 
+		Uint32 isFrameBuffer();
+
 		bool isMeOrParentTreeRotated();
 
 		bool isMeOrParentTreeScaled();
 
 		bool isMeOrParentTreeScaledOrRotated();
 
+		bool isMeOrParentTreeScaledOrRotatedOrFrameBuffer();
+
 		Uint32 addEventListener( const Uint32& EventType, const UIEventCallback& Callback );
 
 		void removeEventListener( const Uint32& CallbackId );

include/eepp/ui/uihelper.hpp

@@ -26,6 +26,7 @@ enum UI_CONTROL_FLAGS_VALUES {
 	UI_CTRL_FLAG_OWNED_BY_WINDOW					= (1<<17),
 	UI_CTRL_FLAG_DRAWABLE_OWNER						= (1<<18),
 	UI_CTRL_FLAG_REVERSE_DRAW						= (1<<19),
+	UI_CTRL_FLAG_FRAME_BUFFER						= (1<<20),
 	UI_CTRL_FLAG_FREE_USE							= (1<<31)
 };
 
@@ -121,7 +122,8 @@ enum UI_MANAGER_FLAGS {
 	UI_MANAGER_HIGHLIGHT_FOCUS	= ( 1 << 0 ),
 	UI_MANAGER_HIGHLIGHT_OVER	= ( 1 << 1 ),
 	UI_MANAGER_DRAW_DEBUG_DATA	= ( 1 << 2 ),
-	UI_MANAGER_DRAW_BOXES		= ( 1 << 3 )
+	UI_MANAGER_DRAW_BOXES		= ( 1 << 3 ),
+	UI_MANAGER_MAIN_CONTROL_IN_FRAME_BUFFER = ( 1 << 4 )
 };
 
 enum UI_WINDOW_FLAGS {
@@ -134,7 +136,8 @@ enum UI_WINDOW_FLAGS {
 	UI_WIN_DRAGABLE_CONTAINER			= ( 1 << 6 ),
 	UI_WIN_SHARE_ALPHA_WITH_CHILDS		= ( 1 << 7 ),
 	UI_WIN_MODAL						= ( 1 << 8 ),
-	UI_WIN_SHADOW					= ( 1 << 9 )
+	UI_WIN_SHADOW						= ( 1 << 9 ),
+	UI_WIN_FRAME_BUFFER					= ( 1 << 10 )
 };
 
 enum UI_COMMON_DIALOG_FLAGS {

include/eepp/ui/uimanager.hpp

@@ -83,6 +83,10 @@ class EE_API UIManager {
 
 		void setHighlightOverColor( const Color& Color );
 
+		void setMainControlInFrameBuffer( const bool& set );
+
+		bool isMainControlInFrameBuffer() const;
+
 		const Color& getHighlightOverColor() const;
 
 		void sendMouseClick( UIControl * ToCtrl, const Vector2i& Pos, const Uint32 Flags );

include/eepp/ui/uiwindow.hpp

@@ -5,6 +5,10 @@
 #include <eepp/ui/uipushbutton.hpp>
 #include <eepp/ui/uitextview.hpp>
 
+namespace EE { namespace Graphics {
+class FrameBuffer;
+}}
+
 namespace EE { namespace UI {
 
 class EE_API UIWindow : public UIWidget {
@@ -95,6 +99,8 @@ class EE_API UIWindow : public UIWidget {
 
 		const Sizei& getMinWindowSize();
 
+		bool ownsFrameBuffer();
+
 		virtual void loadFromXmlNode( const pugi::xml_node& node );
 	protected:
 		class KeyboardShortcut {
@@ -130,6 +136,7 @@ class EE_API UIWindow : public UIWidget {
 			RESIZE_TOPRIGHT
 		};
 
+		FrameBuffer * mFrameBuffer;
 		UIWindowStyleConfig	mStyleConfig;
 		UIControlAnim *	mWindowDecoration;
 		UIControlAnim *	mBorderLeft;
@@ -162,6 +169,10 @@ class EE_API UIWindow : public UIWidget {
 
 		virtual Uint32 onKeyDown( const UIEventKey &Event );
 
+		virtual void matrixSet();
+
+		virtual void matrixUnset();
+
 		void onButtonCloseClick( const UIEvent * Event );
 
 		void onButtonMaximizeClick( const UIEvent * Event );
@@ -207,6 +218,8 @@ class EE_API UIWindow : public UIWidget {
 		void applyMinWinSize();
 
 		void updateWinFlags();
+
+		void createFrameBuffer();
 };
 
 }}