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/***********************************************************************
* FXRuby -- the Ruby language bindings for the FOX GUI toolkit.
* Copyright (c) 2001-2009 by Lyle Johnson. 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
*
* For further information please contact the author by e-mail
* at "lyle@lylejohnson.name".
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***********************************************************************/
// Image rendering hints
enum {
BITMAP_KEEP = 0x00000001, // Keep pixel data in client
BITMAP_OWNED = 0x00000002, // Pixel data is owned by image
BITMAP_SHMI = 0x00000020, // Using shared memory image
BITMAP_SHMP = 0x00000040 // Using shared memory pixmap
};
/**
* A Bitmap is a rectangular array of pixels. It supports two representations
* of these pixels: a client-side pixel buffer, and a server-side pixmap which
* is stored in an organization directly compatible with the screen, for fast
* drawing onto the device.
* The server-side representation is not directly accessible from the current
* process as it lives in the process of the X Server or GDI.
* The client-side pixel array is of size height x (width+7)/8 bytes, in other
* words 8 pixels packed into a single byte, starting at bit 0 on the left.
*/
class FXBitmap : public FXDrawable {
protected:
FXuchar *data; // Pixel data
FXint bytewidth; // Number of bytes across
FXuint options; // Options
protected:
FXBitmap();
public:
%extend {
/**
* Create a bitmap. If a client-side pixel buffer has been specified,
* the bitmap does not own the pixel buffer unless the BITMAP_OWNED flag is
* set. If the BITMAP_OWNED flag is set but a NULL pixel buffer is
* passed, a pixel buffer will be automatically created and will be owned
* by the bitmap. The flags BITMAP_SHMI and BITMAP_SHMP may be specified for
* large bitmaps to instruct render() to use shared memory to communicate
* with the server.
*/
FXBitmap(FXApp* a,const void *pix=NULL,FXuint opts=0,FXint w=1,FXint h=1){
return new FXRbBitmap(a,pix,opts,w,h);
}
}
/// To get to the pixel data
FXuchar* getData() const;
/// To get to the option flags
FXuint getOptions() const;
/// Change options
void setOptions(FXuint opts);
/// Get pixel at x,y
FXbool getPixel(FXint x,FXint y) const;
/// Change pixel at x,y
void setPixel(FXint x,FXint y,FXbool color);
/// Cleanup
virtual ~FXBitmap();
};
DECLARE_FXOBJECT_VIRTUALS(FXBitmap)
DECLARE_FXID_VIRTUALS(FXBitmap)
DECLARE_FXDRAWABLE_VIRTUALS(FXBitmap)
DECLARE_FXBITMAP_VIRTUALS(FXBitmap)