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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: _bitmap.i
3 // Purpose: SWIG interface for wxBitmap and wxMask
4 //
5 // Author: Robin Dunn
6 //
7 // Created: 7-July-1997
8 // RCS-ID: $Id$
9 // Copyright: (c) 2003 by Total Control Software
10 // Licence: wxWindows license
11 /////////////////////////////////////////////////////////////////////////////
12
13 // Not a %module
14
15
16 //---------------------------------------------------------------------------
17
18 %{
19 #include <wx/image.h>
20
21 static char** ConvertListOfStrings(PyObject* listOfStrings) {
22 char** cArray = NULL;
23 int count;
24
25 if (!PyList_Check(listOfStrings)) {
26 PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
27 return NULL;
28 }
29 count = PyList_Size(listOfStrings);
30 cArray = new char*[count];
31
32 for(int x=0; x<count; x++) {
33 // TODO: Need some validation and error checking here
34 cArray[x] = PyString_AsString(PyList_GET_ITEM(listOfStrings, x));
35 }
36 return cArray;
37 }
38
39 %}
40
41 //---------------------------------------------------------------------------
42
43 // TODO: When the API stabalizes and is available on other platforms, add
44 // wrappers for the new wxBitmap, wxRawBitmap, wxDIB stuff...
45
46
47 class wxBitmap : public wxGDIObject
48 {
49 public:
50 DocCtorStr(
51 wxBitmap(const wxString& name, wxBitmapType type=wxBITMAP_TYPE_ANY),
52 "Loads a bitmap from a file.");
53
54 ~wxBitmap();
55
56 DocCtorStrName(
57 wxBitmap(int width, int height, int depth=-1),
58 "Creates a new bitmap of the given size. A depth of -1 indicates the depth of\n"
59 "the current screen or visual. Some platforms only support 1 for monochrome and\n"
60 "-1 for the current colour setting.",
61 EmptyBitmap);
62
63 DocCtorStrName(
64 wxBitmap(const wxIcon& icon),
65 "Create a new bitmap from an Icon object.",
66 BitmapFromIcon);
67
68 DocCtorStrName(
69 wxBitmap(const wxImage& image, int depth=-1),
70 "Creates bitmap object from the image. This has to be done to actually display\n"
71 "an image as you cannot draw an image directly on a window. The resulting\n"
72 "bitmap will use the provided colour depth (or that of the current system if\n"
73 "depth is -1) which entails that a colour reduction has to take place.",
74 BitmapFromImage);
75
76
77 %extend {
78 DocStr(wxBitmap(PyObject* listOfStrings),
79 "Construct a Bitmap from a list of strings formatted as XPM data.");
80 %name(BitmapFromXPMData) wxBitmap(PyObject* listOfStrings) {
81 char** cArray = NULL;
82 wxBitmap* bmp;
83
84 cArray = ConvertListOfStrings(listOfStrings);
85 if (! cArray)
86 return NULL;
87 bmp = new wxBitmap(cArray);
88 delete [] cArray;
89 return bmp;
90 }
91
92 DocStr(wxBitmap(PyObject* bits, int width, int height, int depth=1 ),
93 "Creates a bitmap from an array of bits. You should only use this function for\n"
94 "monochrome bitmaps (depth 1) in portable programs: in this case the bits\n"
95 "parameter should contain an XBM image. For other bit depths, the behaviour is\n"
96 "platform dependent.");
97 %name(BitmapFromBits) wxBitmap(PyObject* bits, int width, int height, int depth=1 ) {
98 char* buf;
99 int length;
100 PyString_AsStringAndSize(bits, &buf, &length);
101 return new wxBitmap(buf, width, height, depth);
102 }
103 }
104
105
106 #ifdef __WXMSW__
107 void SetPalette(wxPalette& palette);
108 #endif
109
110 // wxGDIImage methods
111 #ifdef __WXMSW__
112 long GetHandle();
113 void SetHandle(long handle);
114 #endif
115
116 bool Ok();
117
118 DocStr(GetWidth, "Gets the width of the bitmap in pixels.");
119 int GetWidth();
120
121 DocStr(GetHeight, "Gets the height of the bitmap in pixels.");
122 int GetHeight();
123
124 DocStr(GetDepth,
125 "Gets the colour depth of the bitmap. A value of 1 indicates a\n"
126 "monochrome bitmap.");
127 int GetDepth();
128
129 DocStr(ConvertToImage,
130 "Creates a platform-independent image from a platform-dependent bitmap. This\n"
131 "preserves mask information so that bitmaps and images can be converted back\n"
132 "and forth without loss in that respect.");
133 virtual wxImage ConvertToImage() const;
134
135 DocStr(GetMask,
136 "Gets the associated mask (if any) which may have been loaded from a file\n"
137 "or explpicitly set for the bitmap.");
138 virtual wxMask* GetMask() const;
139
140 DocStr(SetMask,
141 "Sets the mask for this bitmap.");
142 virtual void SetMask(wxMask* mask);
143
144 %extend {
145 DocStr(SetMaskColour,
146 "Create a Mask based on a specified colour in the Bitmap.");
147 void SetMaskColour(const wxColour& colour) {
148 wxMask *mask = new wxMask(*self, colour);
149 self->SetMask(mask);
150 }
151 }
152
153 DocStr(GetSubBitmap,
154 "Returns a sub bitmap of the current one as long as the rect belongs entirely\n"
155 "to the bitmap. This function preserves bit depth and mask information.");
156 virtual wxBitmap GetSubBitmap(const wxRect& rect) const;
157
158 DocStr(SaveFile, "Saves a bitmap in the named file.");
159 virtual bool SaveFile(const wxString &name, wxBitmapType type,
160 wxPalette *palette = (wxPalette *)NULL);
161
162 DocStr(LoadFile, "Loads a bitmap from a file");
163 virtual bool LoadFile(const wxString &name, wxBitmapType type);
164
165
166 #if wxUSE_PALETTE
167 virtual wxPalette *GetPalette() const;
168 virtual void SetPalette(const wxPalette& palette);
169 #endif
170
171
172 virtual bool CopyFromIcon(const wxIcon& icon);
173
174 DocStr(SetHeight, "Set the height property (does not affect the bitmap data).")
175 virtual void SetHeight(int height);
176
177 DocStr(SetWidth, "Set the width property (does not affect the bitmap data).")
178 virtual void SetWidth(int width);
179
180 DocStr(SetDepth, "Set the depth property (does not affect the bitmap data).")
181 virtual void SetDepth(int depth);
182
183
184 #ifdef __WXMSW__
185 bool CopyFromCursor(const wxCursor& cursor);
186 int GetQuality();
187 void SetQuality(int q);
188 #endif
189
190 %pythoncode { def __nonzero__(self): return self.Ok() }
191 };
192
193
194 //---------------------------------------------------------------------------
195
196 DocStr(wxMask,
197 "This class encapsulates a monochrome mask bitmap, where the masked area is\n"
198 "black and the unmasked area is white. When associated with a bitmap and drawn\n"
199 "in a device context, the unmasked area of the bitmap will be drawn, and the\n"
200 "masked area will not be drawn.");
201
202 class wxMask : public wxObject {
203 public:
204 DocCtorStr(
205 wxMask(const wxBitmap& bitmap),
206 "Constructs a mask from a monochrome bitmap.");
207
208 DocCtorStrName(
209 wxMask(const wxBitmap& bitmap, const wxColour& colour),
210 "Constructs a mask from a bitmap and a colour in that bitmap that indicates the\n"
211 "background.",
212 MaskColour);
213
214 //~wxMask();
215
216 };
217
218 //---------------------------------------------------------------------------
219 //---------------------------------------------------------------------------