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