1 /********************************************************************************
2 * *
3 * B M P I c o n O b j e c t *
4 * *
5 *********************************************************************************
6 * Copyright (C) 1997,2005 by Jeroen van der Zijp. All Rights Reserved. *
7 *********************************************************************************
8 * This library is free software; you can redistribute it and/or *
9 * modify it under the terms of the GNU Lesser General Public *
10 * License as published by the Free Software Foundation; either *
11 * version 2.1 of the License, or (at your option) any later version. *
12 * *
13 * This library is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
16 * Lesser General Public License for more details. *
17 * *
18 * You should have received a copy of the GNU Lesser General Public *
19 * License along with this library; if not, write to the Free Software *
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *
21 *********************************************************************************
22 * $Id: FXBMPIcon.cpp,v 1.31 2005/01/16 16:06:06 fox Exp $ *
23 ********************************************************************************/
24 #include "xincs.h"
25 #include "fxver.h"
26 #include "fxdefs.h"
27 #include "FXHash.h"
28 #include "FXThread.h"
29 #include "FXStream.h"
30 #include "FXMemoryStream.h"
31 #include "FXString.h"
32 #include "FXSize.h"
33 #include "FXPoint.h"
34 #include "FXRectangle.h"
35 #include "FXObject.h"
36 #include "FXSettings.h"
37 #include "FXRegistry.h"
38 #include "FXApp.h"
39 #include "FXId.h"
40 #include "FXDrawable.h"
41 #include "FXImage.h"
42 #include "FXIcon.h"
43 #include "FXBMPIcon.h"
44
45
46 /*
47 Notes:
48 - BMP does not support alpha in the file format.
49 - You can also let the system guess a transparancy color based on the corners.
50 - If that doesn't work, you can force a specific transparency color.
51 */
52
53 using namespace FX;
54
55 /*******************************************************************************/
56
57 namespace FX {
58
59
60 // Suggested file extension
61 const FXchar FXBMPIcon::fileExt[]="bmp";
62
63
64 // Object implementation
65 FXIMPLEMENT(FXBMPIcon,FXIcon,NULL,0)
66
67
68 // Initialize nicely
FXBMPIcon(FXApp * a,const void * pix,FXColor clr,FXuint opts,FXint w,FXint h)69 FXBMPIcon::FXBMPIcon(FXApp* a,const void *pix,FXColor clr,FXuint opts,FXint w,FXint h):FXIcon(a,NULL,clr,opts,w,h){
70 if(pix){
71 FXMemoryStream ms;
72 ms.open(FXStreamLoad,(FXuchar*)pix);
73 loadPixels(ms);
74 ms.close();
75 }
76 }
77
78
79 // Save object to stream
savePixels(FXStream & store) const80 FXbool FXBMPIcon::savePixels(FXStream& store) const {
81 if(fxsaveBMP(store,data,width,height)){
82 return TRUE;
83 }
84 return FALSE;
85 }
86
87
88 // Load object from stream
loadPixels(FXStream & store)89 FXbool FXBMPIcon::loadPixels(FXStream& store){
90 FXColor *pixels; FXint w,h;
91 if(fxloadBMP(store,pixels,w,h)){
92 setData(pixels,IMAGE_OWNED,w,h);
93 if(options&IMAGE_ALPHAGUESS) transp=guesstransp();
94 return TRUE;
95 }
96 return FALSE;
97 }
98
99
100 // Clean up
~FXBMPIcon()101 FXBMPIcon::~FXBMPIcon(){
102 }
103
104 }
105