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c801d85f | 1 | ///////////////////////////////////////////////////////////////////////////// |
0b04c4e0 | 2 | // Name: src/gtk/bitmap.cpp |
c801d85f KB |
3 | // Purpose: |
4 | // Author: Robert Roebling | |
6f65e337 | 5 | // RCS-ID: $Id$ |
01111366 | 6 | // Copyright: (c) 1998 Robert Roebling |
65571936 | 7 | // Licence: wxWindows licence |
c801d85f KB |
8 | ///////////////////////////////////////////////////////////////////////////// |
9 | ||
14f355c2 VS |
10 | // For compilers that support precompilation, includes "wx.h". |
11 | #include "wx/wxprec.h" | |
12 | ||
22bd9387 VZ |
13 | #include "wx/defs.h" |
14 | ||
c801d85f | 15 | #include "wx/bitmap.h" |
e1bf3ad3 | 16 | #include "wx/palette.h" |
52cbfcf0 | 17 | #include "wx/icon.h" |
fd0eed64 | 18 | #include "wx/filefn.h" |
83624f79 | 19 | #include "wx/image.h" |
f9ee644e | 20 | #include "wx/dcmemory.h" |
b5f01ae0 | 21 | #include "wx/app.h" |
83624f79 | 22 | |
5696ebb3 | 23 | #include "wx/rawbmp.h" |
9e691f46 VZ |
24 | // need this to get gdk_image_new_bitmap() |
25 | #define GDK_ENABLE_BROKEN | |
9e691f46 | 26 | |
20e05ffb | 27 | #include <gdk/gdk.h> |
d76fe38b | 28 | #include <gtk/gtk.h> |
b5f01ae0 VS |
29 | #include <gdk/gdkx.h> |
30 | ||
68567a96 | 31 | #include <gdk/gdkimage.h> |
13111b2a | 32 | |
463c4d71 | 33 | #include "wx/math.h" |
783da845 | 34 | |
f6bcfd97 BP |
35 | extern void gdk_wx_draw_bitmap (GdkDrawable *drawable, |
36 | GdkGC *gc, | |
37 | GdkDrawable *src, | |
38 | gint xsrc, | |
39 | gint ysrc, | |
40 | gint xdest, | |
41 | gint ydest, | |
42 | gint width, | |
43 | gint height); | |
44 | ||
d76fe38b RR |
45 | //----------------------------------------------------------------------------- |
46 | // data | |
47 | //----------------------------------------------------------------------------- | |
48 | ||
c2fa61e8 | 49 | extern GtkWidget *wxGetRootWindow(); |
c801d85f KB |
50 | |
51 | //----------------------------------------------------------------------------- | |
52 | // wxMask | |
53 | //----------------------------------------------------------------------------- | |
54 | ||
55 | IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject) | |
56 | ||
8bbe427f | 57 | wxMask::wxMask() |
c801d85f | 58 | { |
fd0eed64 | 59 | m_bitmap = (GdkBitmap *) NULL; |
ff7b1510 | 60 | } |
c801d85f | 61 | |
91b8de8d | 62 | wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour ) |
c801d85f | 63 | { |
72a7edf0 | 64 | m_bitmap = (GdkBitmap *) NULL; |
91b8de8d | 65 | Create( bitmap, colour ); |
ff7b1510 | 66 | } |
c801d85f | 67 | |
0b04c4e0 | 68 | #if wxUSE_PALETTE |
91b8de8d | 69 | wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex ) |
c801d85f | 70 | { |
72a7edf0 | 71 | m_bitmap = (GdkBitmap *) NULL; |
91b8de8d | 72 | Create( bitmap, paletteIndex ); |
ff7b1510 | 73 | } |
0b04c4e0 | 74 | #endif // wxUSE_PALETTE |
c801d85f | 75 | |
91b8de8d | 76 | wxMask::wxMask( const wxBitmap& bitmap ) |
c801d85f | 77 | { |
72a7edf0 | 78 | m_bitmap = (GdkBitmap *) NULL; |
91b8de8d | 79 | Create( bitmap ); |
ff7b1510 | 80 | } |
c801d85f | 81 | |
8bbe427f | 82 | wxMask::~wxMask() |
c801d85f | 83 | { |
13111b2a | 84 | if (m_bitmap) |
72a7edf0 | 85 | gdk_bitmap_unref( m_bitmap ); |
ff7b1510 | 86 | } |
c801d85f | 87 | |
1fb4de31 RR |
88 | bool wxMask::Create( const wxBitmap& bitmap, |
89 | const wxColour& colour ) | |
91b8de8d RR |
90 | { |
91 | if (m_bitmap) | |
284b4c88 | 92 | { |
91b8de8d | 93 | gdk_bitmap_unref( m_bitmap ); |
284b4c88 | 94 | m_bitmap = (GdkBitmap*) NULL; |
91b8de8d | 95 | } |
13111b2a | 96 | |
368d59f0 | 97 | wxImage image = bitmap.ConvertToImage(); |
902725ee | 98 | if (!image.Ok()) return false; |
13111b2a | 99 | |
c2fa61e8 | 100 | m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 ); |
f9ee644e | 101 | GdkGC *gc = gdk_gc_new( m_bitmap ); |
13111b2a | 102 | |
f9ee644e RR |
103 | GdkColor color; |
104 | color.red = 65000; | |
105 | color.green = 65000; | |
106 | color.blue = 65000; | |
107 | color.pixel = 1; | |
108 | gdk_gc_set_foreground( gc, &color ); | |
109 | gdk_gc_set_fill( gc, GDK_SOLID ); | |
110 | gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() ); | |
13111b2a | 111 | |
1fb4de31 RR |
112 | unsigned char *data = image.GetData(); |
113 | int index = 0; | |
13111b2a | 114 | |
1fb4de31 RR |
115 | unsigned char red = colour.Red(); |
116 | unsigned char green = colour.Green(); | |
117 | unsigned char blue = colour.Blue(); | |
13111b2a | 118 | |
005f5d18 | 119 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
c2fa61e8 | 120 | |
1fb4de31 | 121 | int bpp = visual->depth; |
2eefae6e VZ |
122 | if ((bpp == 16) && (visual->red_mask != 0xf800)) |
123 | bpp = 15; | |
1fb4de31 RR |
124 | if (bpp == 15) |
125 | { | |
126 | red = red & 0xf8; | |
1fb4de31 | 127 | green = green & 0xf8; |
f6bcfd97 | 128 | blue = blue & 0xf8; |
2eefae6e VZ |
129 | } |
130 | else if (bpp == 16) | |
1fb4de31 RR |
131 | { |
132 | red = red & 0xf8; | |
f6bcfd97 BP |
133 | green = green & 0xfc; |
134 | blue = blue & 0xf8; | |
2eefae6e VZ |
135 | } |
136 | else if (bpp == 12) | |
005f5d18 RR |
137 | { |
138 | red = red & 0xf0; | |
139 | green = green & 0xf0; | |
140 | blue = blue & 0xf0; | |
1fb4de31 | 141 | } |
13111b2a | 142 | |
f9ee644e RR |
143 | color.red = 0; |
144 | color.green = 0; | |
145 | color.blue = 0; | |
146 | color.pixel = 0; | |
147 | gdk_gc_set_foreground( gc, &color ); | |
13111b2a | 148 | |
1fb4de31 | 149 | for (int j = 0; j < image.GetHeight(); j++) |
f9ee644e | 150 | { |
f2593d0d RR |
151 | int start_x = -1; |
152 | int i; | |
153 | for (i = 0; i < image.GetWidth(); i++) | |
1fb4de31 | 154 | { |
13111b2a VZ |
155 | if ((data[index] == red) && |
156 | (data[index+1] == green) && | |
157 | (data[index+2] == blue)) | |
158 | { | |
159 | if (start_x == -1) | |
160 | start_x = i; | |
161 | } | |
162 | else | |
163 | { | |
164 | if (start_x != -1) | |
165 | { | |
166 | gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j ); | |
167 | start_x = -1; | |
168 | } | |
f9ee644e RR |
169 | } |
170 | index += 3; | |
171 | } | |
172 | if (start_x != -1) | |
173 | gdk_draw_line( m_bitmap, gc, start_x, j, i, j ); | |
174 | } | |
1fb4de31 | 175 | |
f9ee644e | 176 | gdk_gc_unref( gc ); |
1fb4de31 | 177 | |
902725ee | 178 | return true; |
91b8de8d RR |
179 | } |
180 | ||
0b04c4e0 | 181 | #if wxUSE_PALETTE |
b5f01ae0 | 182 | bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex ) |
91b8de8d | 183 | { |
b5f01ae0 VS |
184 | unsigned char r,g,b; |
185 | wxPalette *pal = bitmap.GetPalette(); | |
284b4c88 | 186 | |
902725ee | 187 | wxCHECK_MSG( pal, false, wxT("Cannot create mask from bitmap without palette") ); |
c2fa61e8 | 188 | |
b5f01ae0 | 189 | pal->GetRGB(paletteIndex, &r, &g, &b); |
284b4c88 | 190 | |
b5f01ae0 | 191 | return Create(bitmap, wxColour(r, g, b)); |
91b8de8d | 192 | } |
0b04c4e0 | 193 | #endif // wxUSE_PALETTE |
91b8de8d RR |
194 | |
195 | bool wxMask::Create( const wxBitmap& bitmap ) | |
196 | { | |
197 | if (m_bitmap) | |
284b4c88 | 198 | { |
91b8de8d | 199 | gdk_bitmap_unref( m_bitmap ); |
284b4c88 | 200 | m_bitmap = (GdkBitmap*) NULL; |
91b8de8d | 201 | } |
284b4c88 | 202 | |
902725ee | 203 | if (!bitmap.Ok()) return false; |
284b4c88 | 204 | |
902725ee | 205 | wxCHECK_MSG( bitmap.GetBitmap(), false, wxT("Cannot create mask from colour bitmap") ); |
284b4c88 | 206 | |
c2fa61e8 | 207 | m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 ); |
284b4c88 | 208 | |
902725ee | 209 | if (!m_bitmap) return false; |
284b4c88 | 210 | |
91b8de8d | 211 | GdkGC *gc = gdk_gc_new( m_bitmap ); |
284b4c88 | 212 | |
f6bcfd97 | 213 | gdk_wx_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() ); |
284b4c88 | 214 | |
91b8de8d | 215 | gdk_gc_unref( gc ); |
284b4c88 | 216 | |
902725ee | 217 | return true; |
91b8de8d RR |
218 | } |
219 | ||
220 | GdkBitmap *wxMask::GetBitmap() const | |
c801d85f | 221 | { |
fd0eed64 | 222 | return m_bitmap; |
ff7b1510 | 223 | } |
8bbe427f | 224 | |
c801d85f KB |
225 | //----------------------------------------------------------------------------- |
226 | // wxBitmap | |
227 | //----------------------------------------------------------------------------- | |
228 | ||
229 | class wxBitmapRefData: public wxObjectRefData | |
230 | { | |
fd0eed64 | 231 | public: |
f2593d0d RR |
232 | wxBitmapRefData(); |
233 | ~wxBitmapRefData(); | |
234 | ||
235 | GdkPixmap *m_pixmap; | |
236 | GdkBitmap *m_bitmap; | |
feac7937 | 237 | GdkPixbuf *m_pixbuf; |
f2593d0d RR |
238 | wxMask *m_mask; |
239 | int m_width; | |
240 | int m_height; | |
241 | int m_bpp; | |
242 | wxPalette *m_palette; | |
c801d85f KB |
243 | }; |
244 | ||
8bbe427f | 245 | wxBitmapRefData::wxBitmapRefData() |
c801d85f | 246 | { |
fd0eed64 RR |
247 | m_pixmap = (GdkPixmap *) NULL; |
248 | m_bitmap = (GdkBitmap *) NULL; | |
feac7937 | 249 | m_pixbuf = (GdkPixbuf *) NULL; |
fd0eed64 RR |
250 | m_mask = (wxMask *) NULL; |
251 | m_width = 0; | |
252 | m_height = 0; | |
253 | m_bpp = 0; | |
254 | m_palette = (wxPalette *) NULL; | |
ff7b1510 | 255 | } |
c801d85f | 256 | |
8bbe427f | 257 | wxBitmapRefData::~wxBitmapRefData() |
c801d85f | 258 | { |
3ebcd89d VZ |
259 | if (m_pixmap) |
260 | gdk_pixmap_unref( m_pixmap ); | |
261 | if (m_bitmap) | |
262 | gdk_bitmap_unref( m_bitmap ); | |
feac7937 VS |
263 | if (m_pixbuf) |
264 | gdk_pixbuf_unref( m_pixbuf ); | |
3ebcd89d | 265 | delete m_mask; |
0b04c4e0 | 266 | #if wxUSE_PALETTE |
3ebcd89d | 267 | delete m_palette; |
0b04c4e0 | 268 | #endif // wxUSE_PALETTE |
ff7b1510 | 269 | } |
c801d85f KB |
270 | |
271 | //----------------------------------------------------------------------------- | |
272 | ||
273 | #define M_BMPDATA ((wxBitmapRefData *)m_refData) | |
274 | ||
275 | IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject) | |
276 | ||
8bbe427f | 277 | wxBitmap::wxBitmap() |
c801d85f | 278 | { |
ff7b1510 | 279 | } |
8bbe427f | 280 | |
debe6624 | 281 | wxBitmap::wxBitmap( int width, int height, int depth ) |
c801d85f | 282 | { |
c826213d | 283 | Create( width, height, depth ); |
c826213d RR |
284 | } |
285 | ||
286 | bool wxBitmap::Create( int width, int height, int depth ) | |
287 | { | |
288 | UnRef(); | |
289 | ||
3ebcd89d VZ |
290 | if ( width <= 0 || height <= 0 ) |
291 | { | |
292 | return false; | |
293 | } | |
284b4c88 | 294 | |
005f5d18 | 295 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
284b4c88 | 296 | |
3ebcd89d VZ |
297 | if (depth == -1) |
298 | depth = visual->depth; | |
103aab26 | 299 | |
902725ee | 300 | wxCHECK_MSG( (depth == visual->depth) || (depth == 1) || (depth == 32), false, |
637b7e4f | 301 | wxT("invalid bitmap depth") ); |
8bbe427f | 302 | |
eefa26be | 303 | m_refData = new wxBitmapRefData(); |
fd0eed64 | 304 | M_BMPDATA->m_mask = (wxMask *) NULL; |
fd0eed64 RR |
305 | M_BMPDATA->m_width = width; |
306 | M_BMPDATA->m_height = height; | |
eefa26be RR |
307 | if (depth == 1) |
308 | { | |
c2fa61e8 | 309 | M_BMPDATA->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); |
eefa26be RR |
310 | M_BMPDATA->m_bpp = 1; |
311 | } | |
284f2b59 RR |
312 | else if (depth == 32) |
313 | { | |
314 | M_BMPDATA->m_pixbuf = gdk_pixbuf_new( GDK_COLORSPACE_RGB, true, | |
315 | 8, width, height); | |
316 | M_BMPDATA->m_bpp = 32; | |
317 | } | |
eefa26be RR |
318 | else |
319 | { | |
c2fa61e8 | 320 | M_BMPDATA->m_pixmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, depth ); |
103aab26 | 321 | M_BMPDATA->m_bpp = visual->depth; |
eefa26be | 322 | } |
8bbe427f | 323 | |
c826213d | 324 | return Ok(); |
ff7b1510 | 325 | } |
b5f01ae0 | 326 | |
e838cc14 | 327 | bool wxBitmap::CreateFromXpm( const char **bits ) |
e52f60e6 | 328 | { |
a11672a4 RR |
329 | UnRef(); |
330 | ||
637b7e4f | 331 | wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") ); |
8bbe427f | 332 | |
005f5d18 | 333 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
c2fa61e8 | 334 | |
e52f60e6 RR |
335 | m_refData = new wxBitmapRefData(); |
336 | ||
337 | GdkBitmap *mask = (GdkBitmap*) NULL; | |
8bbe427f | 338 | |
c2fa61e8 | 339 | M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits ); |
8bbe427f | 340 | |
902725ee | 341 | wxCHECK_MSG( M_BMPDATA->m_pixmap, false, wxT("couldn't create pixmap") ); |
8bbe427f | 342 | |
fd0eed64 RR |
343 | if (mask) |
344 | { | |
345 | M_BMPDATA->m_mask = new wxMask(); | |
346 | M_BMPDATA->m_mask->m_bitmap = mask; | |
347 | } | |
8bbe427f | 348 | |
fd0eed64 | 349 | gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); |
2eefae6e | 350 | |
8cce8940 | 351 | M_BMPDATA->m_bpp = visual->depth; // Can we get a different depth from create_from_xpm_d() ? |
c2fa61e8 | 352 | |
902725ee | 353 | return true; |
ff7b1510 | 354 | } |
b5f01ae0 | 355 | |
783da845 RR |
356 | wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy ) |
357 | { | |
358 | wxCHECK_MSG( Ok(), wxNullBitmap, wxT("invalid bitmap") ); | |
359 | ||
360 | if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height) | |
361 | return *this; | |
902725ee | 362 | |
783da845 RR |
363 | int width = wxMax(newx, 1); |
364 | int height = wxMax(newy, 1); | |
365 | width = wxMin(width, clipwidth); | |
366 | height = wxMin(height, clipheight); | |
902725ee | 367 | |
feac7937 | 368 | wxBitmap bmp; |
783da845 | 369 | |
feac7937 | 370 | if (HasPixbuf()) |
783da845 | 371 | { |
feac7937 VS |
372 | bmp.SetWidth(width); |
373 | bmp.SetHeight(height); | |
374 | bmp.SetDepth(GetDepth()); | |
6db34764 VS |
375 | bmp.SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB, |
376 | gdk_pixbuf_get_has_alpha(GetPixbuf()), | |
feac7937 | 377 | 8, width, height)); |
6db34764 | 378 | gdk_pixbuf_scale(GetPixbuf(), bmp.GetPixbuf(), |
feac7937 | 379 | 0, 0, width, height, |
902725ee | 380 | clipx, clipy, |
feac7937 VS |
381 | (double)newx/GetWidth(), (double)newy/GetHeight(), |
382 | GDK_INTERP_BILINEAR); | |
783da845 | 383 | } |
feac7937 | 384 | else |
783da845 | 385 | { |
feac7937 VS |
386 | GdkImage *img = (GdkImage*) NULL; |
387 | if (GetPixmap()) | |
388 | img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() ); | |
389 | else if (GetBitmap()) | |
390 | img = gdk_image_get( GetBitmap(), 0, 0, GetWidth(), GetHeight() ); | |
391 | else | |
392 | wxFAIL_MSG( wxT("Ill-formed bitmap") ); | |
393 | ||
394 | wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") ); | |
783da845 | 395 | |
feac7937 VS |
396 | int bpp = -1; |
397 | ||
902725ee | 398 | |
feac7937 VS |
399 | GdkGC *gc = NULL; |
400 | GdkPixmap *dstpix = NULL; | |
401 | if (GetPixmap()) | |
783da845 | 402 | { |
feac7937 VS |
403 | GdkVisual *visual = gdk_window_get_visual( GetPixmap() ); |
404 | if (visual == NULL) | |
405 | visual = wxTheApp->GetGdkVisual(); | |
406 | ||
407 | bpp = visual->depth; | |
408 | bmp = wxBitmap(width,height,bpp); | |
409 | dstpix = bmp.GetPixmap(); | |
410 | gc = gdk_gc_new( dstpix ); | |
783da845 | 411 | } |
783da845 | 412 | |
feac7937 VS |
413 | char *dst = NULL; |
414 | long dstbyteperline = 0; | |
902725ee | 415 | |
feac7937 VS |
416 | if (GetBitmap()) |
417 | { | |
418 | bpp = 1; | |
419 | dstbyteperline = width/8*M_BMPDATA->m_bpp; | |
420 | if (width*M_BMPDATA->m_bpp % 8 != 0) | |
421 | dstbyteperline++; | |
422 | dst = (char*) malloc(dstbyteperline*height); | |
423 | } | |
902725ee | 424 | |
feac7937 VS |
425 | // be careful to use the right scaling factor |
426 | float scx = (float)M_BMPDATA->m_width/(float)newx; | |
427 | float scy = (float)M_BMPDATA->m_height/(float)newy; | |
428 | // prepare accel-tables | |
429 | int *tablex = (int *)calloc(width,sizeof(int)); | |
430 | int *tabley = (int *)calloc(height,sizeof(int)); | |
431 | ||
432 | // accel table filled with clipped values | |
433 | for (int x = 0; x < width; x++) | |
434 | tablex[x] = (int) (scx * (x+clipx)); | |
435 | for (int y = 0; y < height; y++) | |
436 | tabley[y] = (int) (scy * (y+clipy)); | |
783da845 | 437 | |
feac7937 | 438 | // Main rescaling routine starts here |
783da845 RR |
439 | for (int h = 0; h < height; h++) |
440 | { | |
441 | char outbyte = 0; | |
f9ebac93 | 442 | int old_x = -1; |
b63b07a8 | 443 | guint32 old_pixval = 0; |
feac7937 | 444 | |
f9ebac93 | 445 | for (int w = 0; w < width; w++) |
783da845 | 446 | { |
f9ebac93 RR |
447 | guint32 pixval; |
448 | int x = tablex[w]; | |
449 | if (x == old_x) | |
450 | pixval = old_pixval; | |
451 | else | |
452 | { | |
453 | pixval = gdk_image_get_pixel( img, x, tabley[h] ); | |
454 | old_pixval = pixval; | |
455 | old_x = x; | |
456 | } | |
902725ee | 457 | |
ce46daf9 | 458 | if ( dst ) |
783da845 | 459 | { |
feac7937 VS |
460 | if (!pixval) |
461 | { | |
462 | char bit=1; | |
d0ee33f5 | 463 | char shift = bit << (w % 8); |
feac7937 VS |
464 | outbyte |= shift; |
465 | } | |
902725ee | 466 | |
feac7937 VS |
467 | if ((w+1)%8==0) |
468 | { | |
469 | dst[h*dstbyteperline+w/8] = outbyte; | |
470 | outbyte = 0; | |
471 | } | |
783da845 | 472 | } |
feac7937 | 473 | else |
783da845 | 474 | { |
feac7937 VS |
475 | GdkColor col; |
476 | col.pixel = pixval; | |
477 | gdk_gc_set_foreground( gc, &col ); | |
478 | gdk_draw_point( dstpix, gc, w, h); | |
783da845 RR |
479 | } |
480 | } | |
902725ee | 481 | |
783da845 | 482 | // do not forget the last byte |
ce46daf9 | 483 | if ( dst && (width % 8 != 0) ) |
f9ebac93 | 484 | dst[h*dstbyteperline+width/8] = outbyte; |
783da845 | 485 | } |
902725ee | 486 | |
783da845 | 487 | gdk_image_destroy( img ); |
feac7937 VS |
488 | if (gc) gdk_gc_unref( gc ); |
489 | ||
ce46daf9 | 490 | if ( dst ) |
feac7937 VS |
491 | { |
492 | bmp = wxBitmap( (const char *)dst, width, height, 1 ); | |
493 | free( dst ); | |
494 | } | |
902725ee | 495 | |
feac7937 VS |
496 | if (GetMask()) |
497 | { | |
498 | dstbyteperline = width/8; | |
499 | if (width % 8 != 0) | |
500 | dstbyteperline++; | |
501 | dst = (char*) malloc(dstbyteperline*height); | |
502 | img = gdk_image_get( GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight() ); | |
783da845 | 503 | |
feac7937 VS |
504 | for (int h = 0; h < height; h++) |
505 | { | |
506 | char outbyte = 0; | |
507 | int old_x = -1; | |
508 | guint32 old_pixval = 0; | |
902725ee | 509 | |
feac7937 VS |
510 | for (int w = 0; w < width; w++) |
511 | { | |
512 | guint32 pixval; | |
513 | int x = tablex[w]; | |
514 | if (x == old_x) | |
515 | pixval = old_pixval; | |
516 | else | |
517 | { | |
518 | pixval = gdk_image_get_pixel( img, x, tabley[h] ); | |
519 | old_pixval = pixval; | |
520 | old_x = x; | |
521 | } | |
902725ee | 522 | |
feac7937 VS |
523 | if (pixval) |
524 | { | |
525 | char bit=1; | |
d0ee33f5 | 526 | char shift = bit << (w % 8); |
feac7937 VS |
527 | outbyte |= shift; |
528 | } | |
902725ee | 529 | |
feac7937 VS |
530 | if ((w+1)%8 == 0) |
531 | { | |
532 | dst[h*dstbyteperline+w/8] = outbyte; | |
533 | outbyte = 0; | |
534 | } | |
535 | } | |
902725ee | 536 | |
feac7937 VS |
537 | // do not forget the last byte |
538 | if (width % 8 != 0) | |
539 | dst[h*dstbyteperline+width/8] = outbyte; | |
540 | } | |
541 | wxMask* mask = new wxMask; | |
542 | mask->m_bitmap = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) dst, width, height ); | |
543 | bmp.SetMask(mask); | |
544 | ||
545 | free( dst ); | |
546 | gdk_image_destroy( img ); | |
547 | } | |
548 | ||
549 | free( tablex ); | |
550 | free( tabley ); | |
551 | } | |
902725ee WS |
552 | |
553 | return bmp; | |
783da845 RR |
554 | } |
555 | ||
feac7937 | 556 | bool wxBitmap::CreateFromImage(const wxImage& image, int depth) |
b5f01ae0 | 557 | { |
a11672a4 RR |
558 | UnRef(); |
559 | ||
637b7e4f VZ |
560 | wxCHECK_MSG( image.Ok(), false, wxT("invalid image") ); |
561 | wxCHECK_MSG( depth == -1 || depth == 1, false, wxT("invalid bitmap depth") ); | |
b5f01ae0 | 562 | |
feac7937 VS |
563 | if (image.GetWidth() <= 0 || image.GetHeight() <= 0) |
564 | return false; | |
902725ee | 565 | |
feac7937 | 566 | m_refData = new wxBitmapRefData(); |
3ebcd89d | 567 | |
feac7937 | 568 | if (depth == 1) |
3ebcd89d | 569 | { |
feac7937 | 570 | return CreateFromImageAsBitmap(image); |
3ebcd89d | 571 | } |
feac7937 VS |
572 | else |
573 | { | |
feac7937 VS |
574 | if (image.HasAlpha()) |
575 | return CreateFromImageAsPixbuf(image); | |
68567a96 | 576 | |
feac7937 VS |
577 | return CreateFromImageAsPixmap(image); |
578 | } | |
579 | } | |
3ebcd89d | 580 | |
feac7937 VS |
581 | // conversion to mono bitmap: |
582 | bool wxBitmap::CreateFromImageAsBitmap(const wxImage& img) | |
583 | { | |
584 | // convert alpha channel to mask, if it is present: | |
585 | wxImage image(img); | |
586 | image.ConvertAlphaToMask(); | |
902725ee | 587 | |
feac7937 VS |
588 | int width = image.GetWidth(); |
589 | int height = image.GetHeight(); | |
c2fa61e8 | 590 | |
3ebcd89d VZ |
591 | SetHeight( height ); |
592 | SetWidth( width ); | |
593 | ||
feac7937 | 594 | SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) ); |
b5f01ae0 | 595 | |
feac7937 | 596 | SetDepth( 1 ); |
2eefae6e | 597 | |
feac7937 | 598 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
b5f01ae0 | 599 | |
feac7937 | 600 | // Create picture image |
b5f01ae0 | 601 | |
feac7937 | 602 | unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); |
b5f01ae0 | 603 | |
feac7937 VS |
604 | GdkImage *data_image = |
605 | gdk_image_new_bitmap( visual, data_data, width, height ); | |
b5f01ae0 | 606 | |
feac7937 | 607 | // Create mask image |
b5f01ae0 | 608 | |
feac7937 | 609 | GdkImage *mask_image = (GdkImage*) NULL; |
b5f01ae0 | 610 | |
feac7937 VS |
611 | if (image.HasMask()) |
612 | { | |
613 | unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); | |
b5f01ae0 | 614 | |
feac7937 | 615 | mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); |
b5f01ae0 | 616 | |
feac7937 VS |
617 | wxMask *mask = new wxMask(); |
618 | mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); | |
b5f01ae0 | 619 | |
feac7937 VS |
620 | SetMask( mask ); |
621 | } | |
b5f01ae0 | 622 | |
feac7937 VS |
623 | int r_mask = image.GetMaskRed(); |
624 | int g_mask = image.GetMaskGreen(); | |
625 | int b_mask = image.GetMaskBlue(); | |
b5f01ae0 | 626 | |
feac7937 | 627 | unsigned char* data = image.GetData(); |
b5f01ae0 | 628 | |
feac7937 VS |
629 | int index = 0; |
630 | for (int y = 0; y < height; y++) | |
631 | { | |
632 | for (int x = 0; x < width; x++) | |
b5f01ae0 | 633 | { |
feac7937 VS |
634 | int r = data[index]; |
635 | index++; | |
636 | int g = data[index]; | |
637 | index++; | |
638 | int b = data[index]; | |
639 | index++; | |
640 | ||
641 | if (image.HasMask()) | |
b5f01ae0 | 642 | { |
feac7937 VS |
643 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) |
644 | gdk_image_put_pixel( mask_image, x, y, 1 ); | |
b5f01ae0 | 645 | else |
feac7937 VS |
646 | gdk_image_put_pixel( mask_image, x, y, 0 ); |
647 | } | |
b5f01ae0 | 648 | |
feac7937 VS |
649 | if ((r == 255) && (b == 255) && (g == 255)) |
650 | gdk_image_put_pixel( data_image, x, y, 1 ); | |
651 | else | |
652 | gdk_image_put_pixel( data_image, x, y, 0 ); | |
b5f01ae0 | 653 | |
feac7937 VS |
654 | } // for |
655 | } // for | |
b5f01ae0 | 656 | |
feac7937 | 657 | // Blit picture |
b5f01ae0 | 658 | |
feac7937 | 659 | GdkGC *data_gc = gdk_gc_new( GetBitmap() ); |
b5f01ae0 | 660 | |
feac7937 | 661 | gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); |
b5f01ae0 | 662 | |
feac7937 VS |
663 | gdk_image_destroy( data_image ); |
664 | gdk_gc_unref( data_gc ); | |
b5f01ae0 | 665 | |
feac7937 | 666 | // Blit mask |
b5f01ae0 | 667 | |
feac7937 VS |
668 | if (image.HasMask()) |
669 | { | |
670 | GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); | |
b5f01ae0 | 671 | |
feac7937 VS |
672 | gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); |
673 | ||
674 | gdk_image_destroy( mask_image ); | |
675 | gdk_gc_unref( mask_gc ); | |
b5f01ae0 | 676 | } |
c2fa61e8 | 677 | |
feac7937 VS |
678 | return true; |
679 | } | |
902725ee | 680 | |
feac7937 VS |
681 | // conversion to colour bitmap: |
682 | bool wxBitmap::CreateFromImageAsPixmap(const wxImage& img) | |
683 | { | |
684 | // convert alpha channel to mask, if it is present: | |
685 | wxImage image(img); | |
686 | image.ConvertAlphaToMask(); | |
902725ee | 687 | |
feac7937 VS |
688 | int width = image.GetWidth(); |
689 | int height = image.GetHeight(); | |
690 | ||
691 | SetHeight( height ); | |
692 | SetWidth( width ); | |
693 | ||
694 | SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) ); | |
b5f01ae0 | 695 | |
feac7937 | 696 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
b5f01ae0 | 697 | |
feac7937 | 698 | int bpp = visual->depth; |
b5f01ae0 | 699 | |
feac7937 | 700 | SetDepth( bpp ); |
b5f01ae0 | 701 | |
feac7937 VS |
702 | if ((bpp == 16) && (visual->red_mask != 0xf800)) |
703 | bpp = 15; | |
704 | else if (bpp < 8) | |
705 | bpp = 8; | |
2eefae6e | 706 | |
feac7937 VS |
707 | // We handle 8-bit bitmaps ourselves using the colour cube, 12-bit |
708 | // visuals are not supported by GDK so we do these ourselves, too. | |
709 | // 15-bit and 16-bit should actually work and 24-bit certainly does. | |
9b72a74d | 710 | #ifdef __sgi |
feac7937 | 711 | if (!image.HasMask() && (bpp > 16)) |
9b72a74d | 712 | #else |
feac7937 | 713 | if (!image.HasMask() && (bpp > 12)) |
9b72a74d | 714 | #endif |
feac7937 | 715 | { |
902725ee | 716 | static bool s_hasInitialized = false; |
b5f01ae0 | 717 | |
feac7937 VS |
718 | if (!s_hasInitialized) |
719 | { | |
720 | gdk_rgb_init(); | |
902725ee | 721 | s_hasInitialized = true; |
feac7937 | 722 | } |
b5f01ae0 | 723 | |
feac7937 | 724 | GdkGC *gc = gdk_gc_new( GetPixmap() ); |
b5f01ae0 | 725 | |
feac7937 VS |
726 | gdk_draw_rgb_image( GetPixmap(), |
727 | gc, | |
728 | 0, 0, | |
729 | width, height, | |
730 | GDK_RGB_DITHER_NONE, | |
731 | image.GetData(), | |
732 | width*3 ); | |
b5f01ae0 | 733 | |
feac7937 | 734 | gdk_gc_unref( gc ); |
902725ee | 735 | return true; |
feac7937 | 736 | } |
b5f01ae0 | 737 | |
feac7937 | 738 | // Create picture image |
b5f01ae0 | 739 | |
feac7937 VS |
740 | GdkImage *data_image = |
741 | gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height ); | |
b5f01ae0 | 742 | |
feac7937 | 743 | // Create mask image |
b5f01ae0 | 744 | |
feac7937 | 745 | GdkImage *mask_image = (GdkImage*) NULL; |
b5f01ae0 | 746 | |
feac7937 VS |
747 | if (image.HasMask()) |
748 | { | |
749 | unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); | |
b5f01ae0 | 750 | |
feac7937 | 751 | mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); |
b5f01ae0 | 752 | |
feac7937 VS |
753 | wxMask *mask = new wxMask(); |
754 | mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); | |
b5f01ae0 | 755 | |
feac7937 VS |
756 | SetMask( mask ); |
757 | } | |
b5f01ae0 | 758 | |
feac7937 | 759 | // Render |
b5f01ae0 | 760 | |
feac7937 VS |
761 | enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; |
762 | byte_order b_o = RGB; | |
b5f01ae0 | 763 | |
feac7937 VS |
764 | if (bpp > 8) |
765 | { | |
766 | if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB; | |
767 | else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RBG; | |
768 | else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG; | |
769 | else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR; | |
770 | else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB; | |
771 | else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR; | |
772 | } | |
b5f01ae0 | 773 | |
feac7937 VS |
774 | int r_mask = image.GetMaskRed(); |
775 | int g_mask = image.GetMaskGreen(); | |
776 | int b_mask = image.GetMaskBlue(); | |
b5f01ae0 | 777 | |
feac7937 | 778 | unsigned char* data = image.GetData(); |
b5f01ae0 | 779 | |
feac7937 VS |
780 | int index = 0; |
781 | for (int y = 0; y < height; y++) | |
782 | { | |
783 | for (int x = 0; x < width; x++) | |
b5f01ae0 | 784 | { |
feac7937 VS |
785 | int r = data[index]; |
786 | index++; | |
787 | int g = data[index]; | |
788 | index++; | |
789 | int b = data[index]; | |
790 | index++; | |
791 | ||
792 | if (image.HasMask()) | |
b5f01ae0 | 793 | { |
feac7937 VS |
794 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) |
795 | gdk_image_put_pixel( mask_image, x, y, 1 ); | |
796 | else | |
797 | gdk_image_put_pixel( mask_image, x, y, 0 ); | |
798 | } | |
b5f01ae0 | 799 | |
feac7937 VS |
800 | switch (bpp) |
801 | { | |
802 | case 8: | |
b5f01ae0 | 803 | { |
feac7937 VS |
804 | int pixel = -1; |
805 | if (wxTheApp->m_colorCube) | |
b5f01ae0 | 806 | { |
feac7937 VS |
807 | pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; |
808 | } | |
809 | else | |
810 | { | |
811 | GdkColormap *cmap = gtk_widget_get_default_colormap(); | |
812 | GdkColor *colors = cmap->colors; | |
813 | int max = 3 * (65536); | |
814 | ||
815 | for (int i = 0; i < cmap->size; i++) | |
b5f01ae0 | 816 | { |
feac7937 VS |
817 | int rdiff = (r << 8) - colors[i].red; |
818 | int gdiff = (g << 8) - colors[i].green; | |
819 | int bdiff = (b << 8) - colors[i].blue; | |
820 | int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff); | |
821 | if (sum < max) { pixel = i; max = sum; } | |
b5f01ae0 | 822 | } |
feac7937 | 823 | } |
2eefae6e | 824 | |
feac7937 | 825 | gdk_image_put_pixel( data_image, x, y, pixel ); |
2eefae6e | 826 | |
feac7937 VS |
827 | break; |
828 | } | |
829 | case 12: // SGI only | |
830 | { | |
831 | guint32 pixel = 0; | |
832 | switch (b_o) | |
b5f01ae0 | 833 | { |
feac7937 VS |
834 | case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break; |
835 | case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break; | |
836 | case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break; | |
837 | case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break; | |
838 | case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break; | |
839 | case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break; | |
b5f01ae0 | 840 | } |
feac7937 VS |
841 | gdk_image_put_pixel( data_image, x, y, pixel ); |
842 | break; | |
843 | } | |
844 | case 15: | |
845 | { | |
846 | guint32 pixel = 0; | |
847 | switch (b_o) | |
b5f01ae0 | 848 | { |
feac7937 VS |
849 | case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break; |
850 | case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break; | |
851 | case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break; | |
852 | case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break; | |
853 | case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break; | |
854 | case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break; | |
b5f01ae0 | 855 | } |
feac7937 VS |
856 | gdk_image_put_pixel( data_image, x, y, pixel ); |
857 | break; | |
858 | } | |
859 | case 16: | |
860 | { | |
861 | // I actually don't know if for 16-bit displays, it is alway the green | |
862 | // component or the second component which has 6 bits. | |
863 | guint32 pixel = 0; | |
864 | switch (b_o) | |
b5f01ae0 | 865 | { |
feac7937 VS |
866 | case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break; |
867 | case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break; | |
868 | case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break; | |
869 | case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break; | |
870 | case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break; | |
871 | case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break; | |
8ab696e0 | 872 | } |
feac7937 VS |
873 | gdk_image_put_pixel( data_image, x, y, pixel ); |
874 | break; | |
875 | } | |
876 | case 32: | |
877 | case 24: | |
878 | { | |
879 | guint32 pixel = 0; | |
880 | switch (b_o) | |
8ab696e0 | 881 | { |
feac7937 VS |
882 | case RGB: pixel = (r << 16) | (g << 8) | b; break; |
883 | case RBG: pixel = (r << 16) | (b << 8) | g; break; | |
884 | case BRG: pixel = (b << 16) | (r << 8) | g; break; | |
885 | case BGR: pixel = (b << 16) | (g << 8) | r; break; | |
886 | case GRB: pixel = (g << 16) | (r << 8) | b; break; | |
887 | case GBR: pixel = (g << 16) | (b << 8) | r; break; | |
b5f01ae0 | 888 | } |
feac7937 | 889 | gdk_image_put_pixel( data_image, x, y, pixel ); |
902725ee | 890 | break; |
b5f01ae0 | 891 | } |
feac7937 VS |
892 | default: break; |
893 | } | |
894 | } // for | |
895 | } // for | |
b5f01ae0 | 896 | |
feac7937 | 897 | // Blit picture |
b5f01ae0 | 898 | |
feac7937 | 899 | GdkGC *data_gc = gdk_gc_new( GetPixmap() ); |
b5f01ae0 | 900 | |
feac7937 | 901 | gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); |
b5f01ae0 | 902 | |
feac7937 VS |
903 | gdk_image_destroy( data_image ); |
904 | gdk_gc_unref( data_gc ); | |
b5f01ae0 | 905 | |
feac7937 | 906 | // Blit mask |
b5f01ae0 | 907 | |
feac7937 VS |
908 | if (image.HasMask()) |
909 | { | |
910 | GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); | |
b5f01ae0 | 911 | |
feac7937 | 912 | gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); |
b5f01ae0 | 913 | |
feac7937 VS |
914 | gdk_image_destroy( mask_image ); |
915 | gdk_gc_unref( mask_gc ); | |
b5f01ae0 VS |
916 | } |
917 | ||
feac7937 | 918 | return true; |
b5f01ae0 VS |
919 | } |
920 | ||
feac7937 | 921 | bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image) |
b5f01ae0 | 922 | { |
feac7937 VS |
923 | int width = image.GetWidth(); |
924 | int height = image.GetHeight(); | |
2eefae6e | 925 | |
feac7937 VS |
926 | GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, |
927 | image.HasAlpha(), | |
928 | 8 /* bits per sample */, | |
929 | width, height); | |
930 | if (!pixbuf) | |
931 | return false; | |
c2fa61e8 | 932 | |
6db34764 | 933 | wxASSERT( image.HasAlpha() ); // for now |
feac7937 VS |
934 | wxASSERT( gdk_pixbuf_get_n_channels(pixbuf) == 4 ); |
935 | wxASSERT( gdk_pixbuf_get_width(pixbuf) == width ); | |
936 | wxASSERT( gdk_pixbuf_get_height(pixbuf) == height ); | |
902725ee | 937 | |
feac7937 VS |
938 | M_BMPDATA->m_pixbuf = pixbuf; |
939 | SetHeight(height); | |
940 | SetWidth(width); | |
941 | SetDepth(wxTheApp->GetGdkVisual()->depth); | |
902725ee | 942 | |
feac7937 VS |
943 | // Copy the data: |
944 | unsigned char *in = image.GetData(); | |
945 | unsigned char *out = gdk_pixbuf_get_pixels(pixbuf); | |
946 | unsigned char *alpha = image.GetAlpha(); | |
902725ee | 947 | |
feac7937 | 948 | int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width; |
b5f01ae0 | 949 | |
feac7937 | 950 | for (int y = 0; y < height; y++, out += rowinc) |
b5f01ae0 | 951 | { |
feac7937 VS |
952 | for (int x = 0; x < width; x++, alpha++, out += 4, in += 3) |
953 | { | |
954 | out[0] = in[0]; | |
955 | out[1] = in[1]; | |
956 | out[2] = in[2]; | |
957 | out[3] = *alpha; | |
958 | } | |
b5f01ae0 | 959 | } |
902725ee | 960 | |
feac7937 VS |
961 | return true; |
962 | } | |
b5f01ae0 | 963 | |
feac7937 VS |
964 | wxImage wxBitmap::ConvertToImage() const |
965 | { | |
966 | wxImage image; | |
c2fa61e8 | 967 | |
feac7937 | 968 | wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); |
902725ee | 969 | |
feac7937 VS |
970 | image.Create(GetWidth(), GetHeight()); |
971 | unsigned char *data = image.GetData(); | |
2eefae6e | 972 | |
b5f01ae0 VS |
973 | if (!data) |
974 | { | |
b5f01ae0 VS |
975 | wxFAIL_MSG( wxT("couldn't create image") ); |
976 | return wxNullImage; | |
977 | } | |
978 | ||
feac7937 | 979 | if (HasPixbuf()) |
b5f01ae0 | 980 | { |
feac7937 VS |
981 | GdkPixbuf *pixbuf = GetPixbuf(); |
982 | wxASSERT( gdk_pixbuf_get_has_alpha(pixbuf) ); | |
902725ee | 983 | |
feac7937 VS |
984 | int w = GetWidth(); |
985 | int h = GetHeight(); | |
902725ee | 986 | |
feac7937 | 987 | image.SetAlpha(); |
b5f01ae0 | 988 | |
feac7937 VS |
989 | unsigned char *alpha = image.GetAlpha(); |
990 | unsigned char *in = gdk_pixbuf_get_pixels(pixbuf); | |
991 | unsigned char *out = data; | |
992 | int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * w; | |
b5f01ae0 | 993 | |
feac7937 VS |
994 | for (int y = 0; y < h; y++, in += rowinc) |
995 | { | |
996 | for (int x = 0; x < w; x++, in += 4, out += 3, alpha++) | |
997 | { | |
998 | out[0] = in[0]; | |
999 | out[1] = in[1]; | |
1000 | out[2] = in[2]; | |
1001 | *alpha = in[3]; | |
1002 | } | |
1003 | } | |
b5f01ae0 | 1004 | } |
feac7937 | 1005 | else |
b5f01ae0 | 1006 | { |
feac7937 VS |
1007 | // the colour used as transparent one in wxImage and the one it is |
1008 | // replaced with when it really occurs in the bitmap | |
1009 | static const int MASK_RED = 1; | |
1010 | static const int MASK_GREEN = 2; | |
1011 | static const int MASK_BLUE = 3; | |
1012 | static const int MASK_BLUE_REPLACEMENT = 2; | |
b5f01ae0 | 1013 | |
feac7937 | 1014 | GdkImage *gdk_image = (GdkImage*) NULL; |
b5f01ae0 | 1015 | |
feac7937 VS |
1016 | if (HasPixmap()) |
1017 | { | |
1018 | gdk_image = gdk_image_get( GetPixmap(), | |
1019 | 0, 0, | |
1020 | GetWidth(), GetHeight() ); | |
1021 | } | |
1022 | else if (GetBitmap()) | |
1023 | { | |
1024 | gdk_image = gdk_image_get( GetBitmap(), | |
1025 | 0, 0, | |
1026 | GetWidth(), GetHeight() ); | |
1027 | } | |
1028 | else | |
1029 | { | |
1030 | wxFAIL_MSG( wxT("Ill-formed bitmap") ); | |
1031 | } | |
b5f01ae0 | 1032 | |
feac7937 VS |
1033 | wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") ); |
1034 | ||
1035 | GdkImage *gdk_image_mask = (GdkImage*) NULL; | |
1036 | if (GetMask()) | |
b5f01ae0 | 1037 | { |
feac7937 VS |
1038 | gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(), |
1039 | 0, 0, | |
1040 | GetWidth(), GetHeight() ); | |
1041 | ||
1042 | image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE ); | |
1043 | } | |
1044 | ||
1045 | int bpp = -1; | |
1046 | int red_shift_right = 0; | |
1047 | int green_shift_right = 0; | |
1048 | int blue_shift_right = 0; | |
1049 | int red_shift_left = 0; | |
1050 | int green_shift_left = 0; | |
1051 | int blue_shift_left = 0; | |
902725ee | 1052 | bool use_shift = false; |
feac7937 VS |
1053 | |
1054 | if (GetPixmap()) | |
1055 | { | |
1056 | GdkVisual *visual = gdk_window_get_visual( GetPixmap() ); | |
1057 | if (visual == NULL) | |
1058 | visual = wxTheApp->GetGdkVisual(); | |
1059 | ||
1060 | bpp = visual->depth; | |
1061 | if (bpp == 16) | |
1062 | bpp = visual->red_prec + visual->green_prec + visual->blue_prec; | |
1063 | red_shift_right = visual->red_shift; | |
1064 | red_shift_left = 8-visual->red_prec; | |
1065 | green_shift_right = visual->green_shift; | |
1066 | green_shift_left = 8-visual->green_prec; | |
1067 | blue_shift_right = visual->blue_shift; | |
1068 | blue_shift_left = 8-visual->blue_prec; | |
1069 | ||
1070 | use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR); | |
1071 | } | |
1072 | if (GetBitmap()) | |
1073 | { | |
1074 | bpp = 1; | |
1075 | } | |
1076 | ||
1077 | ||
1078 | GdkColormap *cmap = gtk_widget_get_default_colormap(); | |
1079 | ||
1080 | long pos = 0; | |
1081 | for (int j = 0; j < GetHeight(); j++) | |
1082 | { | |
1083 | for (int i = 0; i < GetWidth(); i++) | |
8ab696e0 | 1084 | { |
feac7937 VS |
1085 | wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j ); |
1086 | if (bpp == 1) | |
b5f01ae0 | 1087 | { |
feac7937 VS |
1088 | if (pixel == 0) |
1089 | { | |
1090 | data[pos] = 0; | |
1091 | data[pos+1] = 0; | |
1092 | data[pos+2] = 0; | |
1093 | } | |
1094 | else | |
1095 | { | |
1096 | data[pos] = 255; | |
1097 | data[pos+1] = 255; | |
1098 | data[pos+2] = 255; | |
1099 | } | |
8ab696e0 | 1100 | } |
feac7937 | 1101 | else if (use_shift) |
8ab696e0 | 1102 | { |
feac7937 VS |
1103 | data[pos] = (pixel >> red_shift_right) << red_shift_left; |
1104 | data[pos+1] = (pixel >> green_shift_right) << green_shift_left; | |
1105 | data[pos+2] = (pixel >> blue_shift_right) << blue_shift_left; | |
8ab696e0 | 1106 | } |
feac7937 | 1107 | else if (cmap->colors) |
b5f01ae0 | 1108 | { |
feac7937 VS |
1109 | data[pos] = cmap->colors[pixel].red >> 8; |
1110 | data[pos+1] = cmap->colors[pixel].green >> 8; | |
1111 | data[pos+2] = cmap->colors[pixel].blue >> 8; | |
2eefae6e | 1112 | } |
feac7937 | 1113 | else |
2eefae6e | 1114 | { |
feac7937 | 1115 | wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") ); |
b5f01ae0 | 1116 | } |
b5f01ae0 | 1117 | |
feac7937 VS |
1118 | if (gdk_image_mask) |
1119 | { | |
1120 | int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); | |
1121 | if (mask_pixel == 0) | |
1122 | { | |
1123 | data[pos] = MASK_RED; | |
1124 | data[pos+1] = MASK_GREEN; | |
1125 | data[pos+2] = MASK_BLUE; | |
1126 | } | |
1127 | else if ( data[pos] == MASK_RED && | |
1128 | data[pos+1] == MASK_GREEN && | |
1129 | data[pos+2] == MASK_BLUE ) | |
1130 | { | |
1131 | data[pos+2] = MASK_BLUE_REPLACEMENT; | |
1132 | } | |
1133 | } | |
1134 | ||
1135 | pos += 3; | |
1136 | } | |
b5f01ae0 | 1137 | } |
b5f01ae0 | 1138 | |
feac7937 VS |
1139 | gdk_image_destroy( gdk_image ); |
1140 | if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); | |
1141 | } | |
b5f01ae0 VS |
1142 | |
1143 | return image; | |
1144 | } | |
1145 | ||
4611dd06 | 1146 | wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type ) |
c801d85f | 1147 | { |
fd0eed64 | 1148 | LoadFile( filename, type ); |
ff7b1510 | 1149 | } |
c801d85f | 1150 | |
debe6624 | 1151 | wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth)) |
6f65e337 | 1152 | { |
3ebcd89d VZ |
1153 | if ( width > 0 && height > 0 ) |
1154 | { | |
1155 | m_refData = new wxBitmapRefData(); | |
6f65e337 | 1156 | |
3ebcd89d VZ |
1157 | M_BMPDATA->m_mask = (wxMask *) NULL; |
1158 | M_BMPDATA->m_bitmap = gdk_bitmap_create_from_data | |
1159 | ( | |
1160 | wxGetRootWindow()->window, | |
1161 | (gchar *) bits, | |
1162 | width, | |
1163 | height | |
1164 | ); | |
1165 | M_BMPDATA->m_width = width; | |
1166 | M_BMPDATA->m_height = height; | |
1167 | M_BMPDATA->m_bpp = 1; | |
6f65e337 | 1168 | |
3ebcd89d VZ |
1169 | wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") ); |
1170 | } | |
6f65e337 | 1171 | } |
8bbe427f VZ |
1172 | |
1173 | wxBitmap::~wxBitmap() | |
c801d85f | 1174 | { |
ff7b1510 | 1175 | } |
8bbe427f | 1176 | |
f6bcfd97 | 1177 | bool wxBitmap::operator == ( const wxBitmap& bmp ) const |
c801d85f | 1178 | { |
8bbe427f | 1179 | return m_refData == bmp.m_refData; |
ff7b1510 | 1180 | } |
8bbe427f | 1181 | |
f6bcfd97 | 1182 | bool wxBitmap::operator != ( const wxBitmap& bmp ) const |
c801d85f | 1183 | { |
8bbe427f | 1184 | return m_refData != bmp.m_refData; |
ff7b1510 | 1185 | } |
8bbe427f | 1186 | |
91b8de8d | 1187 | bool wxBitmap::Ok() const |
c801d85f | 1188 | { |
902725ee | 1189 | return (m_refData != NULL) && |
feac7937 | 1190 | ( |
feac7937 | 1191 | M_BMPDATA->m_pixbuf || |
902725ee | 1192 | M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap |
feac7937 | 1193 | ); |
ff7b1510 | 1194 | } |
8bbe427f | 1195 | |
91b8de8d | 1196 | int wxBitmap::GetHeight() const |
c801d85f | 1197 | { |
223d09f6 | 1198 | wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); |
e55ad60e | 1199 | |
fd0eed64 | 1200 | return M_BMPDATA->m_height; |
ff7b1510 | 1201 | } |
c801d85f | 1202 | |
91b8de8d | 1203 | int wxBitmap::GetWidth() const |
c801d85f | 1204 | { |
223d09f6 | 1205 | wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); |
8bbe427f | 1206 | |
fd0eed64 | 1207 | return M_BMPDATA->m_width; |
ff7b1510 | 1208 | } |
c801d85f | 1209 | |
91b8de8d | 1210 | int wxBitmap::GetDepth() const |
c801d85f | 1211 | { |
223d09f6 | 1212 | wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); |
8bbe427f | 1213 | |
fd0eed64 | 1214 | return M_BMPDATA->m_bpp; |
ff7b1510 | 1215 | } |
c801d85f | 1216 | |
91b8de8d | 1217 | wxMask *wxBitmap::GetMask() const |
c801d85f | 1218 | { |
223d09f6 | 1219 | wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") ); |
8bbe427f | 1220 | |
fd0eed64 | 1221 | return M_BMPDATA->m_mask; |
ff7b1510 | 1222 | } |
c801d85f KB |
1223 | |
1224 | void wxBitmap::SetMask( wxMask *mask ) | |
1225 | { | |
223d09f6 | 1226 | wxCHECK_RET( Ok(), wxT("invalid bitmap") ); |
8bbe427f | 1227 | |
fd0eed64 | 1228 | if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; |
8bbe427f | 1229 | |
fd0eed64 | 1230 | M_BMPDATA->m_mask = mask; |
ff7b1510 | 1231 | } |
c801d85f | 1232 | |
db0aec83 VS |
1233 | bool wxBitmap::CopyFromIcon(const wxIcon& icon) |
1234 | { | |
1235 | *this = icon; | |
902725ee | 1236 | return true; |
db0aec83 VS |
1237 | } |
1238 | ||
17bec151 RR |
1239 | wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const |
1240 | { | |
1241 | wxCHECK_MSG( Ok() && | |
13111b2a VZ |
1242 | (rect.x >= 0) && (rect.y >= 0) && |
1243 | (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height), | |
17bec151 | 1244 | wxNullBitmap, wxT("invalid bitmap or bitmap region") ); |
13111b2a | 1245 | |
17bec151 RR |
1246 | wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp ); |
1247 | wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") ); | |
13111b2a | 1248 | |
feac7937 | 1249 | if (HasPixbuf()) |
17bec151 | 1250 | { |
feac7937 | 1251 | GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, |
6db34764 | 1252 | gdk_pixbuf_get_has_alpha(GetPixbuf()), |
17f504ec | 1253 | 8, rect.width, rect.height); |
feac7937 | 1254 | ret.SetPixbuf(pixbuf); |
6db34764 | 1255 | gdk_pixbuf_copy_area(GetPixbuf(), |
feac7937 VS |
1256 | rect.x, rect.y, rect.width, rect.height, |
1257 | pixbuf, 0, 0); | |
17bec151 RR |
1258 | } |
1259 | else | |
1260 | { | |
feac7937 VS |
1261 | if (ret.GetPixmap()) |
1262 | { | |
1263 | GdkGC *gc = gdk_gc_new( ret.GetPixmap() ); | |
1264 | gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); | |
1265 | gdk_gc_destroy( gc ); | |
1266 | } | |
1267 | else | |
1268 | { | |
1269 | GdkGC *gc = gdk_gc_new( ret.GetBitmap() ); | |
1270 | GdkColor col; | |
1271 | col.pixel = 0xFFFFFF; | |
1272 | gdk_gc_set_foreground( gc, &col ); | |
1273 | col.pixel = 0; | |
1274 | gdk_gc_set_background( gc, &col ); | |
1275 | gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); | |
1276 | gdk_gc_destroy( gc ); | |
1277 | } | |
17bec151 | 1278 | } |
13111b2a | 1279 | |
17bec151 RR |
1280 | if (GetMask()) |
1281 | { | |
1282 | wxMask *mask = new wxMask; | |
c2fa61e8 | 1283 | mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, rect.width, rect.height, 1 ); |
13111b2a | 1284 | |
17bec151 | 1285 | GdkGC *gc = gdk_gc_new( mask->m_bitmap ); |
f9ebac93 RR |
1286 | GdkColor col; |
1287 | col.pixel = 0xFFFFFF; | |
1288 | gdk_gc_set_foreground( gc, &col ); | |
1289 | col.pixel = 0; | |
1290 | gdk_gc_set_background( gc, &col ); | |
1291 | gdk_wx_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, rect.x, rect.y, 0, 0, rect.width, rect.height ); | |
13111b2a VZ |
1292 | gdk_gc_destroy( gc ); |
1293 | ||
1294 | ret.SetMask( mask ); | |
17bec151 | 1295 | } |
13111b2a | 1296 | |
17bec151 RR |
1297 | return ret; |
1298 | } | |
1299 | ||
4611dd06 | 1300 | bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalette *WXUNUSED(palette) ) const |
c801d85f | 1301 | { |
902725ee | 1302 | wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") ); |
8bbe427f | 1303 | |
b75dd496 | 1304 | // Try to save the bitmap via wxImage handlers: |
fd0eed64 | 1305 | { |
368d59f0 | 1306 | wxImage image = ConvertToImage(); |
284b4c88 | 1307 | if (image.Ok()) return image.SaveFile( name, type ); |
fd0eed64 | 1308 | } |
8bbe427f | 1309 | |
902725ee | 1310 | return false; |
ff7b1510 | 1311 | } |
c801d85f | 1312 | |
4611dd06 | 1313 | bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type ) |
c801d85f | 1314 | { |
fd0eed64 | 1315 | UnRef(); |
8bbe427f | 1316 | |
3ebcd89d | 1317 | if (!wxFileExists(name)) |
902725ee | 1318 | return false; |
8bbe427f | 1319 | |
005f5d18 | 1320 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
c2fa61e8 | 1321 | |
fd0eed64 RR |
1322 | if (type == wxBITMAP_TYPE_XPM) |
1323 | { | |
1324 | m_refData = new wxBitmapRefData(); | |
8bbe427f | 1325 | |
fd0eed64 | 1326 | GdkBitmap *mask = (GdkBitmap*) NULL; |
8bbe427f | 1327 | |
3ebcd89d VZ |
1328 | M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm |
1329 | ( | |
1330 | wxGetRootWindow()->window, | |
1331 | &mask, | |
1332 | NULL, | |
1333 | name.fn_str() | |
1334 | ); | |
8bbe427f | 1335 | |
fd0eed64 RR |
1336 | if (mask) |
1337 | { | |
1338 | M_BMPDATA->m_mask = new wxMask(); | |
1339 | M_BMPDATA->m_mask->m_bitmap = mask; | |
1340 | } | |
8bbe427f | 1341 | |
fd0eed64 | 1342 | gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); |
c2fa61e8 | 1343 | |
103aab26 | 1344 | M_BMPDATA->m_bpp = visual->depth; |
fd0eed64 | 1345 | } |
b75dd496 | 1346 | else // try if wxImage can load it |
fd0eed64 RR |
1347 | { |
1348 | wxImage image; | |
3ebcd89d | 1349 | if ( !image.LoadFile( name, type ) || !image.Ok() ) |
902725ee | 1350 | return false; |
3ebcd89d VZ |
1351 | |
1352 | *this = wxBitmap(image); | |
fd0eed64 | 1353 | } |
8bbe427f | 1354 | |
902725ee | 1355 | return true; |
ff7b1510 | 1356 | } |
8bbe427f | 1357 | |
0b04c4e0 | 1358 | #if wxUSE_PALETTE |
91b8de8d | 1359 | wxPalette *wxBitmap::GetPalette() const |
c801d85f | 1360 | { |
3ebcd89d VZ |
1361 | if (!Ok()) |
1362 | return (wxPalette *) NULL; | |
8bbe427f | 1363 | |
fd0eed64 | 1364 | return M_BMPDATA->m_palette; |
ff7b1510 | 1365 | } |
c801d85f | 1366 | |
4611dd06 RR |
1367 | void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette)) |
1368 | { | |
1369 | // TODO | |
1370 | } | |
0b04c4e0 | 1371 | #endif // wxUSE_PALETTE |
4611dd06 | 1372 | |
4bc67cc5 RR |
1373 | void wxBitmap::SetHeight( int height ) |
1374 | { | |
3ebcd89d VZ |
1375 | if (!m_refData) |
1376 | m_refData = new wxBitmapRefData(); | |
4bc67cc5 RR |
1377 | |
1378 | M_BMPDATA->m_height = height; | |
1379 | } | |
1380 | ||
1381 | void wxBitmap::SetWidth( int width ) | |
1382 | { | |
3ebcd89d VZ |
1383 | if (!m_refData) |
1384 | m_refData = new wxBitmapRefData(); | |
4bc67cc5 RR |
1385 | |
1386 | M_BMPDATA->m_width = width; | |
1387 | } | |
1388 | ||
1389 | void wxBitmap::SetDepth( int depth ) | |
1390 | { | |
3ebcd89d VZ |
1391 | if (!m_refData) |
1392 | m_refData = new wxBitmapRefData(); | |
4bc67cc5 RR |
1393 | |
1394 | M_BMPDATA->m_bpp = depth; | |
1395 | } | |
1396 | ||
1397 | void wxBitmap::SetPixmap( GdkPixmap *pixmap ) | |
1398 | { | |
3ebcd89d VZ |
1399 | if (!m_refData) |
1400 | m_refData = new wxBitmapRefData(); | |
4bc67cc5 RR |
1401 | |
1402 | M_BMPDATA->m_pixmap = pixmap; | |
6db34764 | 1403 | PurgeOtherRepresentations(Pixmap); |
4bc67cc5 RR |
1404 | } |
1405 | ||
82ea63e6 RR |
1406 | void wxBitmap::SetBitmap( GdkPixmap *bitmap ) |
1407 | { | |
3ebcd89d VZ |
1408 | if (!m_refData) |
1409 | m_refData = new wxBitmapRefData(); | |
82ea63e6 RR |
1410 | |
1411 | M_BMPDATA->m_bitmap = bitmap; | |
6db34764 | 1412 | PurgeOtherRepresentations(Pixmap); |
82ea63e6 RR |
1413 | } |
1414 | ||
91b8de8d | 1415 | GdkPixmap *wxBitmap::GetPixmap() const |
c801d85f | 1416 | { |
223d09f6 | 1417 | wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") ); |
8bbe427f | 1418 | |
feac7937 VS |
1419 | // create the pixmap on the fly if we use Pixbuf representation: |
1420 | if (HasPixbuf() && !HasPixmap()) | |
1421 | { | |
70dcce79 VS |
1422 | delete M_BMPDATA->m_mask; |
1423 | M_BMPDATA->m_mask = new wxMask(); | |
feac7937 VS |
1424 | gdk_pixbuf_render_pixmap_and_mask(M_BMPDATA->m_pixbuf, |
1425 | &M_BMPDATA->m_pixmap, | |
70dcce79 | 1426 | &M_BMPDATA->m_mask->m_bitmap, |
feac7937 VS |
1427 | 128 /*threshold*/); |
1428 | } | |
feac7937 | 1429 | |
fd0eed64 | 1430 | return M_BMPDATA->m_pixmap; |
ff7b1510 | 1431 | } |
8bbe427f | 1432 | |
feac7937 VS |
1433 | bool wxBitmap::HasPixmap() const |
1434 | { | |
1435 | wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") ); | |
1436 | ||
1437 | return M_BMPDATA->m_pixmap != NULL; | |
1438 | } | |
1439 | ||
91b8de8d | 1440 | GdkBitmap *wxBitmap::GetBitmap() const |
6f65e337 | 1441 | { |
223d09f6 | 1442 | wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") ); |
8bbe427f | 1443 | |
fd0eed64 | 1444 | return M_BMPDATA->m_bitmap; |
ff7b1510 | 1445 | } |
feac7937 | 1446 | |
feac7937 VS |
1447 | GdkPixbuf *wxBitmap::GetPixbuf() const |
1448 | { | |
1449 | wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") ); | |
1450 | ||
6db34764 VS |
1451 | if (HasPixmap() && !HasPixbuf()) |
1452 | { | |
1453 | int width = GetWidth(); | |
1454 | int height = GetHeight(); | |
902725ee | 1455 | |
6db34764 VS |
1456 | GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, |
1457 | GetMask() != NULL, | |
1458 | 8, width, height); | |
902725ee | 1459 | M_BMPDATA->m_pixbuf = |
6db34764 VS |
1460 | gdk_pixbuf_get_from_drawable(pixbuf, M_BMPDATA->m_pixmap, NULL, |
1461 | 0, 0, 0, 0, width, height); | |
902725ee | 1462 | |
6db34764 VS |
1463 | // apply the mask to created pixbuf: |
1464 | if (M_BMPDATA->m_pixbuf && M_BMPDATA->m_mask) | |
1465 | { | |
902725ee | 1466 | GdkPixbuf *pmask = |
6db34764 VS |
1467 | gdk_pixbuf_get_from_drawable(NULL, |
1468 | M_BMPDATA->m_mask->GetBitmap(), | |
1469 | NULL, | |
1470 | 0, 0, 0, 0, width, height); | |
1471 | if (pmask) | |
1472 | { | |
1473 | guchar *bmp = gdk_pixbuf_get_pixels(pixbuf); | |
1474 | guchar *mask = gdk_pixbuf_get_pixels(pmask); | |
1475 | int bmprowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width; | |
1476 | int maskrowinc = gdk_pixbuf_get_rowstride(pmask) - 3 * width; | |
1477 | ||
1478 | for (int y = 0; y < height; | |
1479 | y++, bmp += bmprowinc, mask += maskrowinc) | |
1480 | { | |
1481 | for (int x = 0; x < width; x++, bmp += 4, mask += 3) | |
1482 | { | |
1483 | if (mask[0] == 0 /*black pixel*/) | |
1484 | bmp[3] = 0; | |
1485 | } | |
1486 | } | |
902725ee | 1487 | |
6db34764 VS |
1488 | gdk_pixbuf_unref(pmask); |
1489 | } | |
1490 | } | |
1491 | } | |
1492 | ||
feac7937 VS |
1493 | return M_BMPDATA->m_pixbuf; |
1494 | } | |
1495 | ||
1496 | bool wxBitmap::HasPixbuf() const | |
1497 | { | |
1498 | wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") ); | |
1499 | ||
1500 | return M_BMPDATA->m_pixbuf != NULL; | |
1501 | } | |
1502 | ||
1503 | void wxBitmap::SetPixbuf( GdkPixbuf *pixbuf ) | |
1504 | { | |
1505 | if (!m_refData) | |
1506 | m_refData = new wxBitmapRefData(); | |
1507 | ||
1508 | M_BMPDATA->m_pixbuf = pixbuf; | |
6db34764 | 1509 | PurgeOtherRepresentations(Pixbuf); |
feac7937 VS |
1510 | } |
1511 | ||
1512 | void wxBitmap::PurgeOtherRepresentations(wxBitmap::Representation keep) | |
1513 | { | |
1514 | if (keep == Pixmap && HasPixbuf()) | |
1515 | { | |
1516 | gdk_pixbuf_unref( M_BMPDATA->m_pixbuf ); | |
1517 | M_BMPDATA->m_pixbuf = NULL; | |
1518 | } | |
1519 | if (keep == Pixbuf && HasPixmap()) | |
1520 | { | |
1521 | gdk_pixmap_unref( M_BMPDATA->m_pixmap ); | |
1522 | M_BMPDATA->m_pixmap = NULL; | |
1523 | } | |
1524 | } | |
1525 | ||
284f2b59 RR |
1526 | void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp) |
1527 | { | |
284f2b59 RR |
1528 | if (bpp != 32) |
1529 | return NULL; | |
902725ee | 1530 | |
284f2b59 RR |
1531 | GdkPixbuf *pixbuf = GetPixbuf(); |
1532 | if (!pixbuf) | |
1533 | return NULL; | |
1534 | ||
902725ee | 1535 | #if 0 |
284f2b59 RR |
1536 | if (gdk_pixbuf_get_has_alpha( pixbuf )) |
1537 | wxPrintf( wxT("Has alpha\n") ); | |
1538 | else | |
1539 | wxPrintf( wxT("No alpha.\n") ); | |
1540 | #endif | |
1541 | ||
902725ee WS |
1542 | data.m_height = gdk_pixbuf_get_height( pixbuf ); |
1543 | data.m_width = gdk_pixbuf_get_width( pixbuf ); | |
1544 | data.m_stride = gdk_pixbuf_get_rowstride( pixbuf ); | |
1545 | ||
284f2b59 | 1546 | return gdk_pixbuf_get_pixels( pixbuf ); |
284f2b59 RR |
1547 | } |
1548 | ||
17a1ebd1 | 1549 | void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(data)) |
284f2b59 RR |
1550 | { |
1551 | } | |
1552 | ||
0ff2a74d | 1553 | |
902725ee | 1554 | bool wxBitmap::HasAlpha() const |
0ff2a74d | 1555 | { |
0ff2a74d | 1556 | return HasPixbuf(); |
0ff2a74d RR |
1557 | } |
1558 | ||
1559 | void wxBitmap::UseAlpha() | |
902725ee | 1560 | { |
0ff2a74d | 1561 | GetPixbuf(); |
0ff2a74d RR |
1562 | } |
1563 | ||
4b61c88d RR |
1564 | //----------------------------------------------------------------------------- |
1565 | // wxBitmapHandler | |
1566 | //----------------------------------------------------------------------------- | |
1567 | ||
1568 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler,wxBitmapHandlerBase) | |
1569 | ||
1570 | wxBitmapHandler::~wxBitmapHandler() | |
1571 | { | |
1572 | } | |
1573 | ||
17a1ebd1 VZ |
1574 | bool wxBitmapHandler::Create(wxBitmap * WXUNUSED(bitmap), |
1575 | void * WXUNUSED(data), | |
1576 | long WXUNUSED(type), | |
1577 | int WXUNUSED(width), | |
1578 | int WXUNUSED(height), | |
1579 | int WXUNUSED(depth)) | |
4b61c88d | 1580 | { |
17a1ebd1 VZ |
1581 | wxFAIL_MSG( _T("not implemented") ); |
1582 | ||
902725ee | 1583 | return false; |
4b61c88d RR |
1584 | } |
1585 | ||
17a1ebd1 VZ |
1586 | bool wxBitmapHandler::LoadFile(wxBitmap * WXUNUSED(bitmap), |
1587 | const wxString& WXUNUSED(name), | |
1588 | long WXUNUSED(flags), | |
1589 | int WXUNUSED(desiredWidth), | |
1590 | int WXUNUSED(desiredHeight)) | |
4b61c88d | 1591 | { |
17a1ebd1 VZ |
1592 | wxFAIL_MSG( _T("not implemented") ); |
1593 | ||
902725ee | 1594 | return false; |
4b61c88d RR |
1595 | } |
1596 | ||
17a1ebd1 VZ |
1597 | bool wxBitmapHandler::SaveFile(const wxBitmap * WXUNUSED(bitmap), |
1598 | const wxString& WXUNUSED(name), | |
1599 | int WXUNUSED(type), | |
1600 | const wxPalette * WXUNUSED(palette)) | |
4b61c88d | 1601 | { |
17a1ebd1 VZ |
1602 | wxFAIL_MSG( _T("not implemented") ); |
1603 | ||
902725ee | 1604 | return false; |
4b61c88d RR |
1605 | } |
1606 | ||
1607 | /* static */ void wxBitmap::InitStandardHandlers() | |
1608 | { | |
1609 | // TODO: Insert handler based on GdkPixbufs handler later | |
1610 | } |