/usr/include/fox-1.6/FXIcon.h is in libfox-1.6-dev 1.6.49-2ubuntu1.
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* *
* I c o n - O b j e c t *
* *
*********************************************************************************
* Copyright (C) 1997,2006 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* 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. *
*********************************************************************************
* $Id: FXIcon.h,v 1.29 2006/01/22 17:58:04 fox Exp $ *
********************************************************************************/
#ifndef FXICON_H
#define FXICON_H
#ifndef FXIMAGE_H
#include "FXImage.h"
#endif
namespace FX {
class FXDC;
class FXDCWindow;
class FXDrawable;
class FXTopWindow;
/**
* An Icon is an image with two additional server-side resources: a shape
* bitmap, which is used to mask those pixels where the background should
* be preserved during the drawing, and a etch bitmap, which is used to
* draw the icon when it is disabled.
*/
class FXAPI FXIcon : public FXImage {
FXDECLARE(FXIcon)
friend class FXDC;
friend class FXWindow;
friend class FXDCWindow;
friend class FXDrawable;
friend class FXTopWindow;
protected:
FXID shape; // Shape pixmap
FXID etch; // Etch pixmap
FXColor transp; // Transparency color
protected:
FXIcon(){}
FXColor guesstransp();
private:
FXIcon(const FXIcon&);
FXIcon &operator=(const FXIcon&);
public:
/**
* Create an icon with an initial pixel buffer pix, a transparent color clr,
* and options as in FXImage. The transparent color is used to determine which
* pixel values are transparent, i.e. need to be masked out in the absence of
* a true alpha channel.
* If the flag IMAGE_OPAQUE is passed, the shape and etch bitmaps are generated
* as if the image is fully opaque, even if it has an alpha channel or transparancy
* color. The flag IMAGE_ALPHACOLOR is used to force a specific alpha color instead
* of the alpha channel obtained from the image file.
* Specifying IMAGE_ALPHAGUESS causes Icon to obtain the alpha color from the background
* color of the image; it has the same effect as IMAGE_ALPHACOLOR in the sense that
* the icon will be transparent for those colors matching the alpha color.
*/
FXIcon(FXApp* a,const FXColor *pix=NULL,FXColor clr=0,FXuint opts=0,FXint w=1,FXint h=1);
/**
* Create the server side pixmap, the shape bitmap, and the etch bitmap, then
* call render() to fill it with the pixel data from the client-side buffer. After
* the server-side pixmap and bitmaps have been created, the client-side pixel
* buffer will be deleted unless IMAGE_KEEP has been specified. If the pixel buffer
* is not owned, i.e. the flag IMAGE_OWNED is not set, the pixel buffer will not
* be deleted; however the pixel buffer will be set to NULL.
*/
virtual void create();
/**
* Detach the server side pixmap, shape bitmap, and etch bitmap from the Icon.
* Afterwards, the Icon is left as if it never had a server-side resources.
*/
virtual void detach();
/**
* Destroy the server-side pixmap and the shape bitmap and etch bitmap.
* The client-side pixel buffer is not affected.
*/
virtual void destroy();
/**
* Render the server-side pixmap, shape bitmap and etch bitmap for the icon
* from the client-side pixel buffer.
*/
virtual void render();
/**
* Resize both client-side and server-side representations (if any) to the
* given width and height. The new representations typically contain garbage
* after this operation and need to be re-filled.
*/
virtual void resize(FXint w,FXint h);
/// Obtain transparency color
FXColor getTransparentColor() const { return transp; }
/// Change transparency color
void setTransparentColor(FXColor color){ transp=color; }
/// Destructor
virtual ~FXIcon();
};
}
#endif
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