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1/////////////////////////////////////////////////////////////////////////////
2// Name: imagbmp.h
3// Purpose: wxImage BMP, ICO and CUR handlers
4// Author: Robert Roebling, Chris Elliott
5// RCS-ID: $Id$
6// Copyright: (c) Robert Roebling, Chris Elliott
7// Licence: wxWindows licence
8/////////////////////////////////////////////////////////////////////////////
9
10#ifndef _WX_IMAGBMP_H_
11#define _WX_IMAGBMP_H_
12
13#ifdef __GNUG__
14#pragma interface "imagbmp.h"
15#endif
16
17#include "wx/image.h"
18
19// defines for saving the BMP file in different formats, Bits Per Pixel
20// USE: wximage.SetOption( wxIMAGE_OPTION_BMP_FORMAT, wxBMP_xBPP );
21#define wxIMAGE_OPTION_BMP_FORMAT wxString(_T("wxBMP_FORMAT"))
22
23// These two options are filled in upon reading CUR file and can (should) be
24// specified when saving a CUR file - they define the hotspot of the cursor:
25#define wxIMAGE_OPTION_CUR_HOTSPOT_X wxT("HotSpotX")
26#define wxIMAGE_OPTION_CUR_HOTSPOT_Y wxT("HotSpotY")
27
28// Do not use these macros, they are deprecated!! :
29#define wxBMP_FORMAT wxIMAGE_OPTION_BMP_FORMAT
30#define wxCUR_HOTSPOT_X wxIMAGE_OPTION_CUR_HOTSPOT_X
31#define wxCUR_HOTSPOT_Y wxIMAGE_OPTION_CUR_HOTSPOT_Y
32
33
34enum
35{
36 wxBMP_24BPP = 24, // default, do not need to set
37 //wxBMP_16BPP = 16, // wxQuantize can only do 236 colors?
38 wxBMP_8BPP = 8, // 8bpp, quantized colors
39 wxBMP_8BPP_GREY = 9, // 8bpp, rgb averaged to greys
40 wxBMP_8BPP_GRAY = wxBMP_8BPP_GREY,
41 wxBMP_8BPP_RED = 10, // 8bpp, red used as greyscale
42 wxBMP_8BPP_PALETTE = 11, // 8bpp, use the wxImage's palette
43 wxBMP_4BPP = 4, // 4bpp, quantized colors
44 wxBMP_1BPP = 1, // 1bpp, quantized "colors"
45 wxBMP_1BPP_BW = 2 // 1bpp, black & white from red
46};
47
48// ----------------------------------------------------------------------------
49// wxBMPHandler
50// ----------------------------------------------------------------------------
51
52class WXDLLEXPORT wxBMPHandler : public wxImageHandler
53{
54public:
55 wxBMPHandler()
56 {
57 m_name = _T("Windows bitmap file");
58 m_extension = _T("bmp");
59 m_type = wxBITMAP_TYPE_BMP;
60 m_mime = _T("image/x-bmp");
61 };
62
63#if wxUSE_STREAMS
64 virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
65 virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=-1 );
66 virtual bool DoCanRead( wxInputStream& stream );
67
68protected:
69 bool SaveDib(wxImage *image, wxOutputStream& stream, bool verbose,
70 bool IsBmp, bool IsMask);
71 bool DoLoadDib(wxImage *image, int width, int height, int bpp, int ncolors,
72 int comp, off_t bmpOffset, wxInputStream& stream,
73 bool verbose, bool IsBmp, bool hasPalette);
74 bool LoadDib(wxImage *image, wxInputStream& stream, bool verbose, bool IsBmp);
75#endif // wxUSE_STREAMS
76
77private:
78 DECLARE_DYNAMIC_CLASS(wxBMPHandler)
79};
80
81#if wxUSE_ICO_CUR
82// ----------------------------------------------------------------------------
83// wxICOHandler
84// ----------------------------------------------------------------------------
85
86class WXDLLEXPORT wxICOHandler : public wxBMPHandler
87{
88public:
89 wxICOHandler()
90 {
91 m_name = _T("Windows icon file");
92 m_extension = _T("ico");
93 m_type = wxBITMAP_TYPE_ICO;
94 m_mime = _T("image/x-ico");
95 };
96
97#if wxUSE_STREAMS
98 virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
99 virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=-1 );
100 virtual bool DoLoadFile( wxImage *image, wxInputStream& stream, bool verbose, int index );
101 virtual bool DoCanRead( wxInputStream& stream );
102 virtual int GetImageCount( wxInputStream& stream );
103#endif // wxUSE_STREAMS
104
105private:
106 DECLARE_DYNAMIC_CLASS(wxICOHandler)
107};
108
109
110// ----------------------------------------------------------------------------
111// wxCURHandler
112// ----------------------------------------------------------------------------
113
114class WXDLLEXPORT wxCURHandler : public wxICOHandler
115{
116public:
117 wxCURHandler()
118 {
119 m_name = _T("Windows cursor file");
120 m_extension = _T("cur");
121 m_type = wxBITMAP_TYPE_CUR;
122 m_mime = _T("image/x-cur");
123 };
124
125 // VS: This handler's meat is implemented inside wxICOHandler (the two
126 // formats are almost identical), but we hide this fact at
127 // the API level, since it is a mere implementation detail.
128
129#if wxUSE_STREAMS
130 virtual bool DoCanRead( wxInputStream& stream );
131#endif // wxUSE_STREAMS
132
133private:
134 DECLARE_DYNAMIC_CLASS(wxCURHandler)
135};
136// ----------------------------------------------------------------------------
137// wxANIHandler
138// ----------------------------------------------------------------------------
139
140class WXDLLEXPORT wxANIHandler : public wxCURHandler
141{
142public:
143 wxANIHandler()
144 {
145 m_name = _T("Windows animated cursor file");
146 m_extension = _T("ani");
147 m_type = wxBITMAP_TYPE_ANI;
148 m_mime = _T("image/x-ani");
149 };
150
151
152#if wxUSE_STREAMS
153 virtual bool SaveFile( wxImage *WXUNUSED(image), wxOutputStream& WXUNUSED(stream), bool WXUNUSED(verbose=TRUE) ){return FALSE ;};
154 virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=-1 );
155 virtual bool DoCanRead( wxInputStream& stream );
156 virtual int GetImageCount( wxInputStream& stream );
157#endif // wxUSE_STREAMS
158
159private:
160 DECLARE_DYNAMIC_CLASS(wxANIHandler)
161};
162
163#endif // wxUSE_ICO_CUR
164#endif // _WX_IMAGBMP_H_