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1/////////////////////////////////////////////////////////////////////////////
2// Name: bitmap.cpp
3// Purpose:
4// Author: Robert Roebling
5// RCS-ID: $Id$
6// Copyright: (c) 1998 Robert Roebling
7// Licence: wxWindows licence
8/////////////////////////////////////////////////////////////////////////////
9
10#ifdef __GNUG__
11#pragma implementation "bitmap.h"
12#endif
13
14#include "wx/bitmap.h"
15#include "wx/icon.h"
16#include "wx/filefn.h"
17#include "wx/image.h"
18
19#include "gdk/gdk.h"
20#include "gdk/gdkprivate.h"
21#include "gdk/gdkx.h"
22
23//-----------------------------------------------------------------------------
24// wxMask
25//-----------------------------------------------------------------------------
26
27IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
28
29wxMask::wxMask()
30{
31 m_bitmap = (GdkBitmap *) NULL;
32}
33
34wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour) )
35{
36}
37
38wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), int WXUNUSED(paletteIndex) )
39{
40}
41
42wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap) )
43{
44}
45
46wxMask::~wxMask()
47{
48 if (m_bitmap) gdk_bitmap_unref( m_bitmap );
49}
50
51GdkBitmap *wxMask::GetBitmap(void) const
52{
53 return m_bitmap;
54}
55
56//-----------------------------------------------------------------------------
57// wxBitmap
58//-----------------------------------------------------------------------------
59
60class wxBitmapRefData: public wxObjectRefData
61{
62public:
63 wxBitmapRefData(void);
64 ~wxBitmapRefData(void);
65
66 GdkPixmap *m_pixmap;
67 GdkBitmap *m_bitmap;
68 wxMask *m_mask;
69 int m_width;
70 int m_height;
71 int m_bpp;
72 wxPalette *m_palette;
73};
74
75wxBitmapRefData::wxBitmapRefData()
76{
77 m_pixmap = (GdkPixmap *) NULL;
78 m_bitmap = (GdkBitmap *) NULL;
79 m_mask = (wxMask *) NULL;
80 m_width = 0;
81 m_height = 0;
82 m_bpp = 0;
83 m_palette = (wxPalette *) NULL;
84}
85
86wxBitmapRefData::~wxBitmapRefData()
87{
88 if (m_pixmap) gdk_pixmap_unref( m_pixmap );
89 if (m_bitmap) gdk_bitmap_unref( m_bitmap );
90 if (m_mask) delete m_mask;
91 if (m_palette) delete m_palette;
92}
93
94//-----------------------------------------------------------------------------
95
96#define M_BMPDATA ((wxBitmapRefData *)m_refData)
97
98IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
99
100wxBitmap::wxBitmap()
101{
102 if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
103}
104
105wxBitmap::wxBitmap( int width, int height, int depth )
106{
107 wxCHECK_RET( (width > 0) && (height > 0), "invalid bitmap size" )
108 wxCHECK_RET( (depth > 0) || (depth == -1), "invalid bitmap depth" )
109
110 m_refData = new wxBitmapRefData();
111
112 GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
113
114 M_BMPDATA->m_mask = (wxMask *) NULL;
115 M_BMPDATA->m_pixmap = gdk_pixmap_new( parent, width, height, depth );
116 M_BMPDATA->m_width = width;
117 M_BMPDATA->m_height = height;
118 M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;
119
120 if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
121}
122
123wxBitmap::wxBitmap( const char **bits )
124{
125 wxCHECK_RET( bits != NULL, "invalid bitmap data" )
126
127 m_refData = new wxBitmapRefData();
128
129 GdkBitmap *mask = (GdkBitmap*) NULL;
130 GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
131
132 M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
133
134 if (mask)
135 {
136 M_BMPDATA->m_mask = new wxMask();
137 M_BMPDATA->m_mask->m_bitmap = mask;
138 }
139
140 gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
141
142 M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth; // ?
143 if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
144}
145
146wxBitmap::wxBitmap( char **bits )
147{
148 wxCHECK_RET( bits != NULL, "invalid bitmap data" )
149
150 m_refData = new wxBitmapRefData();
151
152 GdkBitmap *mask = (GdkBitmap*) NULL;
153 GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
154
155 M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
156
157 wxCHECK_RET( M_BMPDATA->m_pixmap, "couldn't create pixmap" );
158
159 if (mask)
160 {
161 M_BMPDATA->m_mask = new wxMask();
162 M_BMPDATA->m_mask->m_bitmap = mask;
163 }
164
165 gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
166
167 M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth; // ?
168 if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
169}
170
171wxBitmap::wxBitmap( const wxBitmap& bmp )
172{
173 Ref( bmp );
174
175 if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
176}
177
178wxBitmap::wxBitmap( const wxString &filename, int type )
179{
180 LoadFile( filename, type );
181
182 if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
183}
184
185wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
186{
187 m_refData = new wxBitmapRefData();
188
189 M_BMPDATA->m_mask = (wxMask *) NULL;
190 M_BMPDATA->m_bitmap =
191 gdk_bitmap_create_from_data( (GdkWindow*) &gdk_root_parent, (gchar *) bits, width, height );
192 M_BMPDATA->m_width = width;
193 M_BMPDATA->m_height = height;
194 M_BMPDATA->m_bpp = 1;
195
196 wxCHECK_RET( M_BMPDATA->m_bitmap, "couldn't create bitmap" );
197
198 if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
199}
200
201wxBitmap::~wxBitmap()
202{
203 if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this);
204}
205
206wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
207{
208 if (*this == bmp) return (*this);
209 Ref( bmp );
210 return *this;
211}
212
213bool wxBitmap::operator == ( const wxBitmap& bmp )
214{
215 return m_refData == bmp.m_refData;
216}
217
218bool wxBitmap::operator != ( const wxBitmap& bmp )
219{
220 return m_refData != bmp.m_refData;
221}
222
223bool wxBitmap::Ok(void) const
224{
225 return (m_refData != NULL);
226}
227
228int wxBitmap::GetHeight(void) const
229{
230 wxCHECK_MSG( Ok(), -1, "invalid bitmap" );
231
232 return M_BMPDATA->m_height;
233}
234
235int wxBitmap::GetWidth(void) const
236{
237 wxCHECK_MSG( Ok(), -1, "invalid bitmap" );
238
239 return M_BMPDATA->m_width;
240}
241
242int wxBitmap::GetDepth(void) const
243{
244 wxCHECK_MSG( Ok(), -1, "invalid bitmap" );
245
246 return M_BMPDATA->m_bpp;
247}
248
249wxMask *wxBitmap::GetMask(void) const
250{
251 wxCHECK_MSG( Ok(), (wxMask *) NULL, "invalid bitmap" );
252
253 return M_BMPDATA->m_mask;
254}
255
256void wxBitmap::SetMask( wxMask *mask )
257{
258 wxCHECK_RET( Ok(), "invalid bitmap" );
259
260 if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
261
262 M_BMPDATA->m_mask = mask;
263}
264
265bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
266{
267 wxCHECK_MSG( Ok(), FALSE, "invalid bitmap" );
268
269 if (type == wxBITMAP_TYPE_PNG)
270 {
271 wxImage image( *this );
272 if (image.Ok()) return image.SaveFile( name, type );
273 }
274
275 return FALSE;
276}
277
278bool wxBitmap::LoadFile( const wxString &name, int type )
279{
280 UnRef();
281
282 if (!wxFileExists(name)) return FALSE;
283
284 if (type == wxBITMAP_TYPE_XPM)
285 {
286 m_refData = new wxBitmapRefData();
287
288 GdkBitmap *mask = (GdkBitmap*) NULL;
289 GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
290
291 M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( parent, &mask, NULL, name );
292
293 if (mask)
294 {
295 M_BMPDATA->m_mask = new wxMask();
296 M_BMPDATA->m_mask->m_bitmap = mask;
297 }
298
299 gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
300 M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;
301 }
302 else if (type == wxBITMAP_TYPE_PNG)
303 {
304 wxImage image;
305 image.LoadFile( name, type );
306 if (image.Ok()) *this = image.ConvertToBitmap();
307 }
308 else if (type == wxBITMAP_TYPE_BMP)
309 {
310 wxImage image;
311 image.LoadFile( name, type );
312 if (image.Ok()) *this = image.ConvertToBitmap();
313 }
314 else
315 return FALSE;
316
317 return TRUE;
318}
319
320wxPalette *wxBitmap::GetPalette(void) const
321{
322 if (!Ok()) return (wxPalette *) NULL;
323
324 return M_BMPDATA->m_palette;
325}
326
327void wxBitmap::SetHeight( int height )
328{
329 if (!m_refData) m_refData = new wxBitmapRefData();
330
331 M_BMPDATA->m_height = height;
332}
333
334void wxBitmap::SetWidth( int width )
335{
336 if (!m_refData) m_refData = new wxBitmapRefData();
337
338 M_BMPDATA->m_width = width;
339}
340
341void wxBitmap::SetDepth( int depth )
342{
343 if (!m_refData) m_refData = new wxBitmapRefData();
344
345 M_BMPDATA->m_bpp = depth;
346}
347
348void wxBitmap::SetPixmap( GdkPixmap *pixmap )
349{
350 if (!m_refData) m_refData = new wxBitmapRefData();
351
352 M_BMPDATA->m_pixmap = pixmap;
353}
354
355GdkPixmap *wxBitmap::GetPixmap(void) const
356{
357 wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, "invalid bitmap" );
358
359 return M_BMPDATA->m_pixmap;
360}
361
362GdkBitmap *wxBitmap::GetBitmap(void) const
363{
364 wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, "invalid bitmap" );
365
366 return M_BMPDATA->m_bitmap;
367}
368
369