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- /************************************************************************
- filename: CEGUIFalComponentBase.h
- created: Mon Jul 18 2005
- author: Paul D Turner <paul@cegui.org.uk>
- *************************************************************************/
- /*************************************************************************
- Crazy Eddie's GUI System (http://www.cegui.org.uk)
- Copyright (C)2004 - 2005 Paul D Turner (paul@cegui.org.uk)
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *************************************************************************/
- #ifndef _CEGUIFalComponentBase_h_
- #define _CEGUIFalComponentBase_h_
-
- #include "falagard/CEGUIFalDimensions.h"
- #include "CEGUIWindow.h"
-
- // Start of CEGUI namespace section
- namespace CEGUI
- {
- /*!
- \brief
- Common base class used for renderable components within an ImagerySection.
- */
- class CEGUIEXPORT FalagardComponentBase
- {
- public:
- /*!
- \brief
- Constructor
- */
- FalagardComponentBase();
-
- /*!
- \brief
- Destructor
- */
- virtual ~FalagardComponentBase();
-
- /*!
- \brief
- Render this component. More correctly, the component is cached for rendering.
-
- \param srcWindow
- Window to use as the base for translating the component's ComponentArea into pixel values.
-
- \param base_z
- The z value to use for rendering the component. Note that this is not the final z value to use, but
- some z offset from a currently unknown starting value.
-
- \param modColours
- ColourRect describing colours that are to be modulated with the component's stored colour values
- to calculate a set of 'final' colour values to be used. May be 0.
-
- \return
- Nothing.
- */
- void render(Window& srcWindow, float base_z, const CEGUI::ColourRect* modColours = 0, const Rect* clipper = 0, bool clipToDisplay = false) const;
-
- /*!
- \brief
- Render this component. More correctly, the component is cached for rendering.
-
- \param srcWindow
- Window to use as the base for translating the component's ComponentArea into pixel values.
-
- \param baseRect
- Rect to use as the base for translating the component's ComponentArea into pixel values.
-
- \param base_z
- The z value to use for rendering the component. Note that this is not the final z value to use, but
- some z offset from a currently unknown starting value.
-
- \param modColours
- ColourRect describing colours that are to be modulated with the component's stored colour values
- to calculate a set of 'final' colour values to be used. May be 0.
-
- \return
- Nothing.
- */
- void render(Window& srcWindow, const Rect& baseRect, float base_z, const CEGUI::ColourRect* modColours = 0, const Rect* clipper = 0, bool clipToDisplay = false) const;
-
- /*!
- \brief
- Return the ComponentArea of this ImageryComponent.
-
- \return
- ComponentArea object describing the ImageryComponent's current target area.
- */
- const ComponentArea& getComponentArea() const;
-
- /*!
- \brief
- Set the ImageryComponent's ComponentArea.
-
- \param area
- ComponentArea object describing a new target area for the ImageryComponent.
-
- \return
- Nothing.
- */
- void setComponentArea(const ComponentArea& area);
-
- /*!
- \brief
- Return the ColourRect set for use by this ImageryComponent.
-
- \return
- ColourRect object holding the colours currently in use by this ImageryComponent.
- */
- const ColourRect& getColours() const;
-
- /*!
- \brief
- Set the colours to be used by this ImageryComponent.
-
- \param cols
- ColourRect object describing the colours to be used by this ImageryComponent.
- */
- void setColours(const ColourRect& cols);
-
- /*!
- \brief
- Set the name of the property where colour values can be obtained.
-
- \param property
- String containing the name of the property.
-
- \return
- Nothing.
- */
- void setColoursPropertySource(const String& property);
-
- /*!
- \brief
- Set whether the colours property source represents a full ColourRect.
-
- \param setting
- - true if the colours property will access a ColourRect object.
- - false if the colours property will access a colour object.
-
- \return
- Nothing.
- */
- void setColoursPropertyIsColourRect(bool setting = true);
-
- /*!
- \brief
- Set the name of the property where vertical formatting option can be obtained.
-
- \param property
- String containing the name of the property.
-
- \return
- Nothing.
- */
- void setVertFormattingPropertySource(const String& property);
-
- /*!
- \brief
- Set the name of the property where horizontal formatting option can be obtained.
-
- \param property
- String containing the name of the property.
-
- \return
- Nothing.
- */
- void setHorzFormattingPropertySource(const String& property);
-
- protected:
- /*!
- \brief
- Helper method to initialise a ColourRect with appropriate values according to the way the
- ImageryComponent is set up.
-
- This will try and get values from multiple places:
- - a property attached to \a wnd
- - or the integral d_colours value.
- */
- void initColoursRect(const Window& wnd, const ColourRect* modCols, ColourRect& cr) const;
-
- /*!
- \brief
- Method to do main render caching work.
- */
- virtual void render_impl(Window& srcWindow, Rect& destRect, float base_z, const CEGUI::ColourRect* modColours, const Rect* clipper, bool clipToDisplay) const = 0;
-
- /*!
- \brief
- Writes xml for the colours to a OutStream. Will prefer property colours before explicit.
-
- \note
- This is intended as a helper method for sub-classes when outputting xml to a stream.
-
- \return
- - true if xml element was written.
- - false if nothing was output due to the formatting not being set (sub-class may then choose to do something else.)
- */
- bool writeColoursXML(OutStream& out_stream) const;
-
- /*!
- \brief
- Writes xml for the vertical formatting to a OutStream if such a property is defined.
-
- \note
- This is intended as a helper method for sub-classes when outputting xml to a stream.
-
- \return
- - true if xml element was written.
- - false if nothing was output due to the formatting not being set (sub-class may then choose to do something else.)
- */
- bool writeVertFormatXML(OutStream& out_stream) const;
-
- /*!
- \brief
- Writes xml for the horizontal formatting to a OutStream if such a property is defined.
-
- \note
- This is intended as a helper method for sub-classes when outputting xml to a stream.
-
- \return
- - true if xml element was written.
- - false if nothing was output due to the formatting not being set (sub-class may then choose to do something else.)
- */
- bool writeHorzFormatXML(OutStream& out_stream) const;
-
-
- // data fields
- ComponentArea d_area; //!< Destination area for this component.
- ColourRect d_colours; //!< base colours to be applied when rendering the image component.
- String d_colourPropertyName; //!< name of property to fetch colours from.
- bool d_colourProperyIsRect; //!< true if the colour property will fetch a full ColourRect.
- String d_vertFormatPropertyName; //!< name of property to fetch vertical formatting setting from.
- String d_horzFormatPropertyName; //!< name of property to fetch horizontal formatting setting from.
- };
- } // End of CEGUI namespace section
-
-
- #endif // end of guard _CEGUIFalComponentBase_h_
-