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authorfluxgen <fluxgen>2003-04-20 13:27:16 (GMT)
committerfluxgen <fluxgen>2003-04-20 13:27:16 (GMT)
commitb232cd86458249cb307b3b065225d788d8956561 (patch)
tree7067afa70890446c8580ad832b894f7c1310aa4f /src/FbTk/Transparent.hh
parent2a1bc27e90ae96f14a2fc0164fef074974023389 (diff)
downloadfluxbox-b232cd86458249cb307b3b065225d788d8956561.zip
fluxbox-b232cd86458249cb307b3b065225d788d8956561.tar.bz2
for transparent drawable
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1// Transparent.hh for FbTk - Fluxbox Toolkit
2// Copyright (c) 2003 Henrik Kinnunen (fluxgen(at)users.sourceforge.net)
3//
4// Permission is hereby granted, free of charge, to any person obtaining a
5// copy of this software and associated documentation files (the "Software"),
6// to deal in the Software without restriction, including without limitation
7// the rights to use, copy, modify, merge, publish, distribute, sublicense,
8// and/or sell copies of the Software, and to permit persons to whom the
9// Software is furnished to do so, subject to the following conditions:
10//
11// The above copyright notice and this permission notice shall be included in
12// all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20// DEALINGS IN THE SOFTWARE.
21
22// $Id: Transparent.hh,v 1.1 2003/04/20 13:27:16 fluxgen Exp $
23
24#ifndef FBTK_TRANSPARENT_HH
25#define FBTK_TRANSPARENT_HH
26
27#include <X11/Xlib.h>
28
29namespace FbTk {
30
31/// renders to drawable together with an alpha mask
32class Transparent {
33public:
34 Transparent(Drawable source, Drawable dest, unsigned char alpha, int screen_num);
35 ~Transparent();
36 /// sets alpha value
37 void setAlpha(unsigned char alpha);
38 /// sets source drawable
39 void setSource(Drawable src, int screen_num);
40 /// sets destination drawable
41 void setDest(Drawable dest, int screen_num);
42 /**
43 renders to dest from src with specified coordinates and size
44 */
45 void render(int src_x, int src_y,
46 int dest_x, int dest_y,
47 unsigned int width, unsigned int height) const;
48 unsigned char alpha() const { return m_alpha; }
49private:
50 void freeAlpha();
51 void allocAlpha(unsigned char newval);
52 unsigned long m_alpha_pic;
53 unsigned long m_src_pic;
54 unsigned long m_dest_pic;
55 Drawable m_source, m_dest;
56 unsigned char m_alpha;
57};
58
59}; // end namespace FbTk
60
61#endif // FBTK_TRANSPARENT_HH
62