xrb_widgetbackground.hpp

// ///////////////////////////////////////////////////////////////////////////
// xrb_widgetbackground.hpp by Victor Dods, created 2005/02/09
// ///////////////////////////////////////////////////////////////////////////
// Unless a different license was explicitly granted in writing by the
// copyright holder (Victor Dods), this software is freely distributable under
// the terms of the GNU General Public License, version 2.  Any works deriving
// from this work must also be released under the GNU GPL.  See the included
// file LICENSE for details.
// ///////////////////////////////////////////////////////////////////////////

#if !defined(_XRB_WIDGETBACKGROUND_HPP_)
#define _XRB_WIDGETBACKGROUND_HPP_

#include "xrb.hpp"

#include "xrb_color.hpp"
#include "xrb_gltexture.hpp"
#include "xrb_rect.hpp"
#include "xrb_rendercontext.hpp"
#include "xrb_resourcelibrary.hpp"
#include "xrb_vector.hpp"

namespace Xrb
{

class WidgetBackground
{
public:

    WidgetBackground () { }
    virtual ~WidgetBackground () { }

    virtual WidgetBackground *CreateClone () const = 0;

    virtual void Draw (
        RenderContext const &render_context,
        ScreenCoordRect const &widget_screen_rect,
        ScreenCoordVector2 const &frame_margins) const = 0;
}; // end of class WidgetBackground

class WidgetBackgroundColored : public WidgetBackground
{
public:

    WidgetBackgroundColored (
        Color const &color)
        :
        WidgetBackground()
    {
        m_color = color;
    }
    virtual ~WidgetBackgroundColored () { }

    virtual WidgetBackground *CreateClone () const;

    virtual void Draw (
        RenderContext const &render_context,
        ScreenCoordRect const &widget_screen_rect,
        ScreenCoordVector2 const &frame_margins) const;

private:

    Color m_color;
}; // end of class WidgetBackgroundColored

class WidgetBackgroundTextured : public WidgetBackground
{
public:

    WidgetBackgroundTextured (std::string const &texture_path);
    WidgetBackgroundTextured (Resource<GLTexture> const &texture);
    virtual ~WidgetBackgroundTextured ();

    virtual WidgetBackground *CreateClone () const;

    virtual void Draw (
        RenderContext const &render_context,
        ScreenCoordRect const &widget_screen_rect,
        ScreenCoordVector2 const &frame_margins) const;

private:

    Resource<GLTexture> m_texture;
}; // end of class WidgetBackgroundTextured

class WidgetBackgroundStylized : public WidgetBackground
{
public:

    WidgetBackgroundStylized (
        std::string const &corner_texture_name,
        std::string const &top_texture_name,
        std::string const &left_texture_name,
        std::string const &center_texture_name);
    WidgetBackgroundStylized (
        Resource<GLTexture> const &corner_texture,
        Resource<GLTexture> const &top_texture,
        Resource<GLTexture> const &left_texture,
        Resource<GLTexture> const &center_texture);
    virtual ~WidgetBackgroundStylized ();

    virtual WidgetBackground *CreateClone () const;

    virtual void Draw (
        RenderContext const &render_context,
        ScreenCoordRect const &widget_screen_rect,
        ScreenCoordVector2 const &frame_margins) const;

private:

    Resource<GLTexture> m_corner_texture;
    Resource<GLTexture> m_top_texture;
    Resource<GLTexture> m_left_texture;
    Resource<GLTexture> m_center_texture;
}; // end of class WidgetBackgroundStylized

} // end of namespace Xrb

#endif // !defined(_XRB_WIDGETBACKGROUND_HPP_)

---