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1/////////////////////////////////////////////////////////////////////////////
2// Name: bitmap.cpp
3// Purpose: wxBitmap
4// Author: Julian Smart, Robert Roebling
5// Modified by:
6// Created: 17/09/98
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart, Robert Roebling
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
13#pragma implementation "bitmap.h"
14#endif
15
16#include "wx/bitmap.h"
17#include "wx/icon.h"
18#include "wx/log.h"
19#include "wx/image.h"
20#include "wx/app.h"
21#if wxUSE_NANOX
22#include "wx/dcmemory.h"
23#endif
24
25#include "wx/x11/private.h"
26
27/* No point in using libXPM for NanoX */
28#if wxUSE_NANOX
29#undef wxHAVE_LIB_XPM
30#define wxHAVE_LIB_XPM 0
31
32// Copy from the drawable to the wxImage
33bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image);
34#endif
35
36#if wxUSE_XPM
37#if wxHAVE_LIB_XPM
38#include <X11/xpm.h>
39#else
40#include "wx/xpmdecod.h"
41#include "wx/wfstream.h"
42#endif
43#endif
44#include <math.h>
45
46//-----------------------------------------------------------------------------
47// wxMask
48//-----------------------------------------------------------------------------
49
50IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
51
52wxMask::wxMask()
53{
54 m_bitmap = NULL;
55 m_display = NULL;
56}
57
58wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
59{
60 m_bitmap = NULL;
61 Create( bitmap, colour );
62}
63
64wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
65{
66 m_bitmap = NULL;
67 Create( bitmap, paletteIndex );
68}
69
70wxMask::wxMask( const wxBitmap& bitmap )
71{
72 m_bitmap = NULL;
73 Create( bitmap );
74}
75
76wxMask::~wxMask()
77{
78 if (m_bitmap)
79 XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap );
80}
81
82bool wxMask::Create( const wxBitmap& bitmap,
83 const wxColour& colour )
84{
85#if !wxUSE_NANOX
86 if (m_bitmap)
87 {
88 XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap );
89 m_bitmap = NULL;
90 }
91
92 m_display = bitmap.GetDisplay();
93
94 wxImage image = bitmap.ConvertToImage();
95 if (!image.Ok()) return FALSE;
96
97 m_display = bitmap.GetDisplay();
98
99 Display *xdisplay = (Display*) m_display;
100 int xscreen = DefaultScreen( xdisplay );
101 Window xroot = RootWindow( xdisplay, xscreen );
102
103 m_bitmap = (WXPixmap) XCreatePixmap( xdisplay, xroot, image.GetWidth(), image.GetHeight(), 1 );
104 GC gc = XCreateGC( xdisplay, (Pixmap) m_bitmap, 0, NULL );
105
106 XSetForeground( xdisplay, gc, WhitePixel(xdisplay,xscreen) );
107 XSetFillStyle( xdisplay, gc, FillSolid );
108 XFillRectangle( xdisplay, (Pixmap) m_bitmap, gc, 0, 0, image.GetWidth(), image.GetHeight() );
109
110 unsigned char *data = image.GetData();
111 int index = 0;
112
113 unsigned char red = colour.Red();
114 unsigned char green = colour.Green();
115 unsigned char blue = colour.Blue();
116
117 int bpp = wxTheApp->GetVisualInfo(m_display)->m_visualDepth;
118
119 if (bpp == 15)
120 {
121 red = red & 0xf8;
122 green = green & 0xf8;
123 blue = blue & 0xf8;
124 } else
125 if (bpp == 16)
126 {
127 red = red & 0xf8;
128 green = green & 0xfc;
129 blue = blue & 0xf8;
130 } else
131 if (bpp == 12)
132 {
133 red = red & 0xf0;
134 green = green & 0xf0;
135 blue = blue & 0xf0;
136 }
137
138 XSetForeground( xdisplay, gc, BlackPixel(xdisplay,xscreen) );
139
140 int width = image.GetWidth();
141 int height = image.GetHeight();
142 for (int j = 0; j < height; j++)
143 {
144 int start_x = -1;
145 int i;
146 for (i = 0; i < width; i++)
147 {
148 if ((data[index] == red) &&
149 (data[index+1] == green) &&
150 (data[index+2] == blue))
151 {
152 if (start_x == -1)
153 start_x = i;
154 }
155 else
156 {
157 if (start_x != -1)
158 {
159 XDrawLine( xdisplay, (Pixmap) m_bitmap, gc, start_x, j, i-1, j );
160 start_x = -1;
161 }
162 }
163 index += 3;
164 }
165 if (start_x != -1)
166 XDrawLine( xdisplay, (Pixmap) m_bitmap, gc, start_x, j, i, j );
167 }
168
169 XFreeGC( xdisplay, gc );
170
171 return TRUE;
172#else
173 return FALSE;
174#endif
175 // wxUSE_NANOX
176}
177
178bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex )
179{
180 unsigned char r,g,b;
181 wxPalette *pal = bitmap.GetPalette();
182
183 wxCHECK_MSG( pal, FALSE, wxT("Cannot create mask from bitmap without palette") );
184
185 pal->GetRGB(paletteIndex, &r, &g, &b);
186
187 return Create(bitmap, wxColour(r, g, b));
188}
189
190bool wxMask::Create( const wxBitmap& bitmap )
191{
192#if !wxUSE_NANOX
193 if (m_bitmap)
194 {
195 XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap );
196 m_bitmap = NULL;
197 }
198
199 if (!bitmap.Ok()) return FALSE;
200
201 wxCHECK_MSG( bitmap.GetBitmap(), FALSE, wxT("Cannot create mask from colour bitmap") );
202
203 m_display = bitmap.GetDisplay();
204
205 int xscreen = DefaultScreen( (Display*) m_display );
206 Window xroot = RootWindow( (Display*) m_display, xscreen );
207
208 m_bitmap = (WXPixmap) XCreatePixmap( (Display*) m_display, xroot, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
209
210 if (!m_bitmap) return FALSE;
211
212 GC gc = XCreateGC( (Display*) m_display, (Pixmap) m_bitmap, 0, NULL );
213
214 XCopyPlane( (Display*) m_display, (Pixmap) bitmap.GetBitmap(), (Pixmap) m_bitmap,
215 gc, 0, 0, bitmap.GetWidth(), bitmap.GetHeight(), 0, 0, 1 );
216
217 XFreeGC( (Display*) m_display, gc );
218
219 return TRUE;
220#else
221 return FALSE;
222#endif
223 // wxUSE_NANOX
224}
225
226//-----------------------------------------------------------------------------
227// wxBitmap
228//-----------------------------------------------------------------------------
229
230class wxBitmapRefData: public wxObjectRefData
231{
232public:
233 wxBitmapRefData();
234 ~wxBitmapRefData();
235
236 WXPixmap m_pixmap;
237 WXPixmap m_bitmap;
238 WXDisplay *m_display;
239 wxMask *m_mask;
240 int m_width;
241 int m_height;
242 int m_bpp;
243 wxPalette *m_palette;
244};
245
246wxBitmapRefData::wxBitmapRefData()
247{
248 m_pixmap = NULL;
249 m_bitmap = NULL;
250 m_display = NULL;
251 m_mask = (wxMask *) NULL;
252 m_width = 0;
253 m_height = 0;
254 m_bpp = 0;
255 m_palette = (wxPalette *) NULL;
256}
257
258wxBitmapRefData::~wxBitmapRefData()
259{
260 if (m_pixmap) XFreePixmap( (Display*) m_display, (Pixmap) m_pixmap );
261 if (m_bitmap) XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap );
262 if (m_mask) delete m_mask;
263 if (m_palette) delete m_palette;
264}
265
266//-----------------------------------------------------------------------------
267
268// helper function
269
270static WXPixmap wxGetSubPixmap( WXDisplay* xdisplay, WXPixmap xpixmap,
271 int x, int y, int width, int height,
272 int depth )
273{
274 int xscreen = DefaultScreen( (Display*)xdisplay );
275 Window xroot = RootWindow( (Display*)xdisplay, xscreen );
276 Visual* xvisual = DefaultVisual( xdisplay, xscreen );
277
278 XImage* ximage = XCreateImage( (Display*)xdisplay, xvisual, depth,
279 ZPixmap, 0, 0, width, height, 32, 0 );
280 ximage->data = (char*)malloc( ximage->bytes_per_line * ximage->height );
281 ximage = XGetSubImage( (Display*)xdisplay, (Pixmap)xpixmap,
282 x, y, width, height,
283 AllPlanes, ZPixmap, ximage, 0, 0 );
284
285 GC gc = XCreateGC( (Display*)xdisplay, (Pixmap)xpixmap, 0, NULL );
286 Pixmap ret = XCreatePixmap( (Display*)xdisplay, xroot,
287 width, height, depth );
288
289 XPutImage( (Display*)xdisplay, ret, gc, ximage,
290 0, 0, 0, 0, width, height );
291 XDestroyImage( ximage );
292 XFreeGC( (Display*)xdisplay, gc );
293
294 return (WXPixmap)ret;
295}
296
297#define M_BMPDATA ((wxBitmapRefData *)m_refData)
298
299IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
300
301wxBitmap::wxBitmap()
302{
303}
304
305wxBitmap::wxBitmap( int width, int height, int depth )
306{
307 Create( width, height, depth );
308}
309
310bool wxBitmap::Create( int width, int height, int depth )
311{
312 UnRef();
313
314 wxCHECK_MSG( (width > 0) && (height > 0), FALSE, wxT("invalid bitmap size") )
315
316 m_refData = new wxBitmapRefData();
317
318 M_BMPDATA->m_display = wxGlobalDisplay();
319
320 wxASSERT_MSG( M_BMPDATA->m_display, wxT("No display") );
321
322 int xscreen = DefaultScreen( (Display*) M_BMPDATA->m_display );
323 Window xroot = RootWindow( (Display*) M_BMPDATA->m_display, xscreen );
324
325 int bpp = DefaultDepth( (Display*) M_BMPDATA->m_display, xscreen );
326 if (depth == -1) depth = bpp;
327
328 wxCHECK_MSG( (depth == bpp) ||
329 (depth == 1), FALSE, wxT("invalid bitmap depth") )
330
331 M_BMPDATA->m_mask = (wxMask *) NULL;
332 M_BMPDATA->m_width = width;
333 M_BMPDATA->m_height = height;
334
335#if wxUSE_NANOX
336 M_BMPDATA->m_pixmap = (WXPixmap) GrNewPixmap(width, height, NULL);
337 M_BMPDATA->m_bpp = bpp;
338
339 wxASSERT_MSG( M_BMPDATA->m_pixmap, wxT("Bitmap creation failed") );
340#else
341 if (depth == 1)
342 {
343 M_BMPDATA->m_bitmap = (WXPixmap) XCreatePixmap( (Display*) M_BMPDATA->m_display, xroot, width, height, 1 );
344
345 wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("Bitmap creation failed") );
346
347 M_BMPDATA->m_bpp = 1;
348 }
349 else
350 {
351 M_BMPDATA->m_pixmap = (WXPixmap) XCreatePixmap( (Display*) M_BMPDATA->m_display, xroot, width, height, depth );
352
353 wxASSERT_MSG( M_BMPDATA->m_pixmap, wxT("Pixmap creation failed") );
354
355 M_BMPDATA->m_bpp = depth;
356 }
357#endif
358 return Ok();
359}
360
361bool wxBitmap::Create(void *data, wxBitmapType type,
362 int width, int height, int depth)
363{
364 UnRef();
365
366 wxBitmapHandler *handler = FindHandler(type);
367
368 if ( handler == NULL ) {
369 wxLogWarning(wxT("no data bitmap handler for type %ld defined."),
370 (long)type);
371
372 return FALSE;
373 }
374
375 return handler->Create(this, data, type, width, height, depth);
376}
377
378bool wxBitmap::Create(WXPixmap pixmap)
379{
380 UnRef();
381 Pixmap xpixmap = (Pixmap)pixmap;
382 Display* xdisplay = wxGlobalDisplay();
383 int xscreen = DefaultScreen( xdisplay );
384 Window xroot = RootWindow( xdisplay, xscreen );
385
386 // make a copy of the Pixmap
387 Window root;
388 Pixmap copy;
389 int x, y;
390 unsigned width, height, border, depth;
391
392 XGetGeometry( xdisplay, (Drawable)xpixmap, &root, &x, &y,
393 &width, &height, &border, &depth );
394 copy = XCreatePixmap( xdisplay, xroot, width, height, depth );
395
396 GC gc = XCreateGC( xdisplay, copy, 0, NULL );
397 XCopyArea( xdisplay, xpixmap, copy, gc, 0, 0, width, height, 0, 0 );
398 XFreeGC( xdisplay, gc );
399
400 // fill in ref data
401 wxBitmapRefData* ref = new wxBitmapRefData();
402
403 if( depth == 1 )
404 ref->m_bitmap = (WXPixmap)copy;
405 else
406 ref->m_pixmap = (WXPixmap)copy;
407
408 ref->m_display = (WXDisplay*)xdisplay;
409 ref->m_width = width;
410 ref->m_height = height;
411 ref->m_bpp = depth;
412
413 m_refData = ref;
414
415 return true;
416}
417
418bool wxBitmap::CreateFromXpm( const char **bits )
419{
420 wxCHECK_MSG( bits, FALSE, wxT("NULL pointer in wxBitmap::CreateFromXpm") );
421
422 return Create(bits, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0);
423}
424
425bool wxBitmap::CreateFromImage( const wxImage& image, int depth )
426{
427#if wxUSE_NANOX
428 if (!image.Ok())
429 {
430 wxASSERT_MSG(image.Ok(), wxT("Invalid wxImage passed to wxBitmap::CreateFromImage."));
431 return FALSE;
432 }
433
434 int w = image.GetWidth();
435 int h = image.GetHeight();
436
437 if (!Create(w, h, depth))
438 return FALSE;
439
440 // Unfortunately the mask has to be screen-depth since
441 // 1-bpp bitmaps don't seem to be supported
442 // TODO: implement transparent drawing, presumably
443 // by doing several blits as per the Windows
444 // implementation because Nano-X doesn't support
445 // XSetClipMask.
446 // TODO: could perhaps speed this function up
447 // by making a buffer of pixel values,
448 // and then calling GrArea to write that to the
449 // pixmap. See demos/nxroach.c.
450
451 bool hasMask = image.HasMask();
452
453 GC pixmapGC = GrNewGC();
454 Pixmap pixmap = (Pixmap) GetPixmap();
455
456 GC maskGC = 0;
457 Pixmap maskPixmap = 0;
458
459 unsigned char maskR = 0;
460 unsigned char maskG = 0;
461 unsigned char maskB = 0;
462
463 if (hasMask)
464 {
465 maskR = image.GetMaskRed();
466 maskG = image.GetMaskGreen();
467 maskB = image.GetMaskBlue();
468
469 maskGC = GrNewGC();
470 maskPixmap = GrNewPixmap(w, h, 0);
471 if (!maskPixmap)
472 hasMask = FALSE;
473 else
474 {
475 wxMask* mask = new wxMask;
476 mask->SetBitmap((WXPixmap) maskPixmap);
477 SetMask(mask);
478 }
479 }
480
481 GR_COLOR lastPixmapColour = 0;
482 GR_COLOR lastMaskColour = 0;
483
484 int i, j;
485 for (i = 0; i < w; i++)
486 {
487 for (j = 0; j < h; j++)
488 {
489 unsigned char red = image.GetRed(i, j);
490 unsigned char green = image.GetGreen(i, j);
491 unsigned char blue = image.GetBlue(i, j);
492
493 GR_COLOR colour = GR_RGB(red, green, blue);
494
495 // Efficiency measure
496 if (colour != lastPixmapColour || (i == 0 && j == 0))
497 {
498 GrSetGCForeground(pixmapGC, colour);
499 lastPixmapColour = colour;
500 }
501
502 GrPoint(pixmap, pixmapGC, i, j);
503
504 if (hasMask)
505 {
506 // scan the bitmap for the transparent colour and set the corresponding
507 // pixels in the mask to BLACK and the rest to WHITE
508 if (maskR == red && maskG == green && maskB == blue)
509 {
510 colour = GR_RGB(0, 0, 0);
511 }
512 else
513 {
514 colour = GR_RGB(255, 255, 255);
515 }
516 if (colour != lastMaskColour || (i == 0 && j == 0))
517 {
518 GrSetGCForeground(maskGC, colour);
519 lastMaskColour = colour;
520 }
521 GrPoint(maskPixmap, maskGC, i, j);
522 }
523 }
524 }
525
526 GrDestroyGC(pixmapGC);
527 if (hasMask)
528 GrDestroyGC(maskGC);
529
530 return TRUE;
531#else
532 // !wxUSE_NANOX
533
534 UnRef();
535
536 wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") )
537 wxCHECK_MSG( depth == -1, FALSE, wxT("invalid bitmap depth") )
538
539 m_refData = new wxBitmapRefData();
540
541 M_BMPDATA->m_display = wxGlobalDisplay();
542
543 Display *xdisplay = (Display*) M_BMPDATA->m_display;
544
545 int xscreen = DefaultScreen( xdisplay );
546 Window xroot = RootWindow( xdisplay, xscreen );
547 Visual* xvisual = DefaultVisual( xdisplay, xscreen );
548
549 int bpp = wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_visualDepth;
550
551 int width = image.GetWidth();
552 int height = image.GetHeight();
553 M_BMPDATA->m_width = width;
554 M_BMPDATA->m_height = height;
555
556 if (depth != 1) depth = bpp;
557 M_BMPDATA->m_bpp = depth;
558
559 if (depth == 1)
560 {
561 wxFAIL_MSG( wxT("mono images later") );
562 }
563 else
564 {
565 // Create image
566
567 XImage *data_image = XCreateImage( xdisplay, xvisual, bpp, ZPixmap, 0, 0, width, height, 32, 0 );
568 data_image->data = (char*) malloc( data_image->bytes_per_line * data_image->height );
569
570 if (data_image->data == NULL)
571 {
572 wxLogError( wxT("Out of memory.") ); // TODO clean
573 return FALSE;
574 }
575
576 M_BMPDATA->m_pixmap = (WXPixmap) XCreatePixmap( xdisplay, xroot, width, height, depth );
577
578 // Create mask
579
580 XImage *mask_image = (XImage*) NULL;
581 if (image.HasMask())
582 {
583 mask_image = XCreateImage( xdisplay, xvisual, 1, ZPixmap, 0, 0, width, height, 32, 0 );
584 mask_image->data = (char*) malloc( mask_image->bytes_per_line * mask_image->height );
585
586 if (mask_image->data == NULL)
587 {
588 wxLogError( wxT("Out of memory.") ); // TODO clean
589 return FALSE;
590 }
591
592 wxMask *mask = new wxMask();
593 mask->SetDisplay( xdisplay );
594 mask->SetBitmap( (WXPixmap) XCreatePixmap( xdisplay, xroot, width, height, 1 ) );
595
596 SetMask( mask );
597 }
598
599 if (bpp < 8) bpp = 8;
600
601 // Render
602
603 enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
604 byte_order b_o = RGB;
605
606 wxXVisualInfo* vi = wxTheApp->GetVisualInfo(M_BMPDATA->m_display);
607 unsigned long greenMask = vi->m_visualGreenMask,
608 redMask = vi->m_visualRedMask,
609 blueMask = vi->m_visualBlueMask;
610
611 if (bpp > 8)
612 {
613 if ((redMask > greenMask) && (greenMask > blueMask)) b_o = RGB;
614 else if ((redMask > blueMask) && (blueMask > greenMask)) b_o = RBG;
615 else if ((blueMask > redMask) && (redMask > greenMask)) b_o = BRG;
616 else if ((blueMask > greenMask) && (greenMask > redMask))b_o = BGR;
617 else if ((greenMask > redMask) && (redMask > blueMask)) b_o = GRB;
618 else if ((greenMask > blueMask) && (blueMask > redMask)) b_o = GBR;
619 }
620
621 int r_mask = image.GetMaskRed();
622 int g_mask = image.GetMaskGreen();
623 int b_mask = image.GetMaskBlue();
624
625 unsigned char* data = image.GetData();
626 wxASSERT_MSG( data, wxT("No image data") );
627
628 unsigned char *colorCube =
629 wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_colorCube;
630
631 bool hasMask = image.HasMask();
632
633 int index = 0;
634 for (int y = 0; y < height; y++)
635 {
636 for (int x = 0; x < width; x++)
637 {
638 int r = data[index];
639 index++;
640 int g = data[index];
641 index++;
642 int b = data[index];
643 index++;
644
645 if (hasMask)
646 {
647 if ((r == r_mask) && (b == b_mask) && (g == g_mask))
648 XPutPixel( mask_image, x, y, 0 );
649 else
650 XPutPixel( mask_image, x, y, 1 );
651 }
652
653 switch (bpp)
654 {
655 case 8:
656 {
657 int pixel = 0;
658 pixel = colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
659 XPutPixel( data_image, x, y, pixel );
660 break;
661 }
662 case 12: // SGI only
663 {
664 int pixel = 0;
665 switch (b_o)
666 {
667 case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break;
668 case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break;
669 case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break;
670 case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break;
671 case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break;
672 case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break;
673 }
674 XPutPixel( data_image, x, y, pixel );
675 break;
676 }
677 case 15:
678 {
679 int pixel = 0;
680 switch (b_o)
681 {
682 case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
683 case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
684 case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
685 case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
686 case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
687 case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
688 }
689 XPutPixel( data_image, x, y, pixel );
690 break;
691 }
692 case 16:
693 {
694 // I actually don't know if for 16-bit displays, it is alway the green
695 // component or the second component which has 6 bits.
696 int pixel = 0;
697 switch (b_o)
698 {
699 case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
700 case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
701 case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
702 case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
703 case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
704 case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
705 }
706 XPutPixel( data_image, x, y, pixel );
707 break;
708 }
709 case 32:
710 case 24:
711 {
712 int pixel = 0;
713 switch (b_o)
714 {
715 case RGB: pixel = (r << 16) | (g << 8) | b; break;
716 case RBG: pixel = (r << 16) | (b << 8) | g; break;
717 case BRG: pixel = (b << 16) | (r << 8) | g; break;
718 case BGR: pixel = (b << 16) | (g << 8) | r; break;
719 case GRB: pixel = (g << 16) | (r << 8) | b; break;
720 case GBR: pixel = (g << 16) | (b << 8) | r; break;
721 }
722 XPutPixel( data_image, x, y, pixel );
723 }
724 default: break;
725 }
726 } // for
727 } // for
728
729 // Blit picture
730
731 GC gc = XCreateGC( xdisplay, (Pixmap) M_BMPDATA->m_pixmap, 0, NULL );
732 XPutImage( xdisplay, (Pixmap) M_BMPDATA->m_pixmap, gc, data_image, 0, 0, 0, 0, width, height );
733 XDestroyImage( data_image );
734 XFreeGC( xdisplay, gc );
735
736 // Blit mask
737
738 if (image.HasMask())
739 {
740 GC gc = XCreateGC( xdisplay, (Pixmap) GetMask()->GetBitmap(), 0, NULL );
741 XPutImage( xdisplay, (Pixmap) GetMask()->GetBitmap(), gc, mask_image, 0, 0, 0, 0, width, height );
742
743 XDestroyImage( mask_image );
744 XFreeGC( xdisplay, gc );
745 }
746 }
747
748 return TRUE;
749#endif
750 // wxUSE_NANOX
751}
752
753wxImage wxBitmap::ConvertToImage() const
754{
755 wxImage image;
756
757 wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
758
759 Display *xdisplay = (Display*) M_BMPDATA->m_display;
760 wxASSERT_MSG( xdisplay, wxT("No display") );
761
762#if wxUSE_NANOX
763 //int bpp = DefaultDepth(xdisplay, xscreen);
764 wxGetImageFromDrawable((Pixmap) GetPixmap(), 0, 0, GetWidth(), GetHeight(), image);
765 return image;
766#else
767 // !wxUSE_NANOX
768 int bpp = wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_visualDepth;
769 XImage *x_image = NULL;
770 if (GetPixmap())
771 {
772 x_image = XGetImage( xdisplay, (Pixmap) GetPixmap(),
773 0, 0,
774 GetWidth(), GetHeight(),
775 AllPlanes, ZPixmap );
776 } else
777 if (GetBitmap())
778 {
779 x_image = XGetImage( xdisplay, (Pixmap) GetBitmap(),
780 0, 0,
781 GetWidth(), GetHeight(),
782 AllPlanes, ZPixmap );
783 } else
784 {
785 wxFAIL_MSG( wxT("Ill-formed bitmap") );
786 }
787
788 wxCHECK_MSG( x_image, wxNullImage, wxT("couldn't create image") );
789
790 image.Create( GetWidth(), GetHeight() );
791 char unsigned *data = image.GetData();
792
793 if (!data)
794 {
795 XDestroyImage( x_image );
796 wxFAIL_MSG( wxT("couldn't create image") );
797 return wxNullImage;
798 }
799
800 XImage *x_image_mask = NULL;
801 if (GetMask())
802 {
803 x_image_mask = XGetImage( xdisplay, (Pixmap) GetMask()->GetBitmap(),
804 0, 0,
805 GetWidth(), GetHeight(),
806 AllPlanes, ZPixmap );
807
808 image.SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable
809 }
810
811 int red_shift_right = 0;
812 int green_shift_right = 0;
813 int blue_shift_right = 0;
814 int red_shift_left = 0;
815 int green_shift_left = 0;
816 int blue_shift_left = 0;
817 bool use_shift = FALSE;
818
819 if (GetPixmap())
820 {
821 wxXVisualInfo* vi = wxTheApp->GetVisualInfo(M_BMPDATA->m_display);
822
823 red_shift_right = vi->m_visualRedShift;
824 red_shift_left = 8 - vi->m_visualRedPrec;
825 green_shift_right = vi->m_visualGreenShift;
826 green_shift_left = 8 - vi->m_visualGreenPrec;
827 blue_shift_right = vi->m_visualBlueShift;
828 blue_shift_left = 8 - vi->m_visualBluePrec;
829
830 use_shift = (vi->m_visualType == GrayScale) ||
831 (vi->m_visualType != PseudoColor);
832 }
833
834 if (GetBitmap())
835 {
836 bpp = 1;
837 }
838
839 XColor *colors = (XColor*)wxTheApp->
840 GetVisualInfo(M_BMPDATA->m_display)->m_visualColormap;
841
842 int width = GetWidth();
843 int height = GetHeight();
844 long pos = 0;
845 for (int j = 0; j < height; j++)
846 {
847 for (int i = 0; i < width; i++)
848 {
849 unsigned long pixel = XGetPixel( x_image, i, j );
850 if (bpp == 1)
851 {
852 if (pixel == 0)
853 {
854 data[pos] = 0;
855 data[pos+1] = 0;
856 data[pos+2] = 0;
857 }
858 else
859 {
860 data[pos] = 255;
861 data[pos+1] = 255;
862 data[pos+2] = 255;
863 }
864 }
865 else if (use_shift)
866 {
867 data[pos] = (pixel >> red_shift_right) << red_shift_left;
868 data[pos+1] = (pixel >> green_shift_right) << green_shift_left;
869 data[pos+2] = (pixel >> blue_shift_right) << blue_shift_left;
870 }
871 else if (colors)
872 {
873 data[pos] = colors[pixel].red >> 8;
874 data[pos+1] = colors[pixel].green >> 8;
875 data[pos+2] = colors[pixel].blue >> 8;
876 }
877 else
878 {
879 wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") );
880 }
881
882 if (x_image_mask)
883 {
884 int mask_pixel = XGetPixel( x_image_mask, i, j );
885 if (mask_pixel == 0)
886 {
887 data[pos] = 16;
888 data[pos+1] = 16;
889 data[pos+2] = 16;
890 }
891 }
892
893 pos += 3;
894 }
895 }
896
897 XDestroyImage( x_image );
898 if (x_image_mask) XDestroyImage( x_image_mask );
899 return image;
900#endif
901 // wxUSE_NANOX
902}
903
904wxBitmap::wxBitmap( const wxBitmap& bmp )
905{
906 Ref( bmp );
907}
908
909wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type )
910{
911 LoadFile( filename, type );
912}
913
914wxBitmap::wxBitmap( const char bits[], int width, int height, int depth )
915{
916 m_refData = new wxBitmapRefData;
917
918 (void) Create((void*) bits, wxBITMAP_TYPE_XBM_DATA, width, height, depth);
919}
920
921wxBitmap::~wxBitmap()
922{
923}
924
925wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
926{
927 if ( m_refData != bmp.m_refData )
928 Ref( bmp );
929
930 return *this;
931}
932
933bool wxBitmap::operator == ( const wxBitmap& bmp ) const
934{
935 return m_refData == bmp.m_refData;
936}
937
938bool wxBitmap::operator != ( const wxBitmap& bmp ) const
939{
940 return m_refData != bmp.m_refData;
941}
942
943bool wxBitmap::Ok() const
944{
945 return (m_refData != NULL);
946}
947
948int wxBitmap::GetHeight() const
949{
950 wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
951
952 return M_BMPDATA->m_height;
953}
954
955int wxBitmap::GetWidth() const
956{
957 wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
958
959 return M_BMPDATA->m_width;
960}
961
962int wxBitmap::GetDepth() const
963{
964 wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
965
966 return M_BMPDATA->m_bpp;
967}
968
969wxMask *wxBitmap::GetMask() const
970{
971 wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
972
973 return M_BMPDATA->m_mask;
974}
975
976void wxBitmap::SetMask( wxMask *mask )
977{
978 wxCHECK_RET( Ok(), wxT("invalid bitmap") );
979
980 if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
981
982 M_BMPDATA->m_mask = mask;
983}
984
985bool wxBitmap::CopyFromIcon(const wxIcon& icon)
986{
987 *this = icon;
988 return TRUE;
989}
990
991wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
992{
993 wxCHECK_MSG( Ok() &&
994 (rect.x >= 0) && (rect.y >= 0) &&
995 (rect.x+rect.width <= M_BMPDATA->m_width ) &&
996 (rect.y+rect.height <= M_BMPDATA->m_height),
997 wxNullBitmap, wxT("invalid bitmap or bitmap region") );
998
999 wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
1000 wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
1001
1002 if( GetMask() )
1003 {
1004 wxMask* mask = new wxMask();
1005 mask->SetDisplay( GetMask()->GetDisplay() );
1006 mask->SetBitmap( wxGetSubPixmap( GetMask()->GetDisplay(),
1007 GetMask()->GetBitmap(),
1008 rect.x, rect.y,
1009 rect.width, rect.height,
1010 1 ) );
1011
1012 ret.SetMask( mask );
1013 }
1014
1015 if( GetPixmap() )
1016 {
1017 ret.SetPixmap( wxGetSubPixmap( GetDisplay(),
1018 GetPixmap(),
1019 rect.x, rect.y,
1020 rect.width, rect.height,
1021 M_BMPDATA->m_bpp ) );
1022 }
1023
1024 if( GetBitmap() )
1025 {
1026 ret.SetBitmap( wxGetSubPixmap( GetDisplay(),
1027 GetBitmap(),
1028 rect.x, rect.y,
1029 rect.width, rect.height,
1030 1 ) );
1031 }
1032
1033 return ret;
1034}
1035
1036bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type,
1037 const wxPalette *palette ) const
1038{
1039 wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
1040
1041 wxBitmapHandler *handler = FindHandler(type);
1042
1043 // Try to save the bitmap via wxImage handlers:
1044 if (handler == NULL)
1045 {
1046 wxImage image(this->ConvertToImage());
1047 if (image.Ok()) return image.SaveFile( name, type );
1048
1049 return FALSE;
1050 }
1051
1052 return handler->SaveFile(this, name, type, palette);
1053}
1054
1055bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
1056{
1057 UnRef();
1058
1059 if (!wxFileExists(name)) return FALSE;
1060
1061 wxBitmapHandler *handler = FindHandler(type);
1062
1063 if (handler == NULL)
1064 {
1065 wxImage image;
1066 if (!image.LoadFile( name, type ))
1067 return FALSE;
1068
1069 if (image.Ok())
1070 {
1071 *this = wxBitmap(image);
1072 return TRUE;
1073 }
1074 else return FALSE;
1075 }
1076
1077 return handler->LoadFile(this, name, type, -1, -1);
1078}
1079
1080void wxBitmap::SetPalette(const wxPalette& palette)
1081{
1082 wxCHECK_RET(Ok(), wxT("invalid bitmap"));
1083 wxCHECK_RET(GetDepth() > 1 && GetDepth() <= 8,
1084 wxT("cannot set palette for bitmap of this depth"));
1085
1086 delete M_BMPDATA->m_palette;
1087 M_BMPDATA->m_palette = NULL;
1088
1089 if (!palette.Ok()) return;
1090
1091 M_BMPDATA->m_palette = new wxPalette(palette);
1092}
1093
1094wxPalette *wxBitmap::GetPalette() const
1095{
1096 if (!Ok()) return (wxPalette *) NULL;
1097
1098 return M_BMPDATA->m_palette;
1099}
1100
1101void wxBitmap::SetHeight( int height )
1102{
1103 if (!m_refData) m_refData = new wxBitmapRefData();
1104
1105 M_BMPDATA->m_height = height;
1106}
1107
1108void wxBitmap::SetWidth( int width )
1109{
1110 if (!m_refData) m_refData = new wxBitmapRefData();
1111
1112 M_BMPDATA->m_width = width;
1113}
1114
1115void wxBitmap::SetDepth( int depth )
1116{
1117 if (!m_refData) m_refData = new wxBitmapRefData();
1118
1119 M_BMPDATA->m_bpp = depth;
1120}
1121
1122void wxBitmap::SetPixmap( WXPixmap pixmap )
1123{
1124 if (!m_refData) m_refData = new wxBitmapRefData();
1125
1126 M_BMPDATA->m_pixmap = pixmap;
1127}
1128
1129void wxBitmap::SetBitmap( WXPixmap bitmap )
1130{
1131 if (!m_refData) m_refData = new wxBitmapRefData();
1132
1133 M_BMPDATA->m_bitmap = bitmap;
1134}
1135
1136WXPixmap wxBitmap::GetPixmap() const
1137{
1138 wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") );
1139
1140 return M_BMPDATA->m_pixmap;
1141}
1142
1143WXPixmap wxBitmap::GetBitmap() const
1144{
1145 wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") );
1146
1147 return M_BMPDATA->m_bitmap;
1148}
1149
1150WXPixmap wxBitmap::GetDrawable() const
1151{
1152 wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") );
1153
1154 return M_BMPDATA->m_bpp == 1 ? M_BMPDATA->m_bitmap : M_BMPDATA->m_pixmap;
1155}
1156
1157WXDisplay *wxBitmap::GetDisplay() const
1158{
1159 wxCHECK_MSG( Ok(), (WXDisplay*) NULL, wxT("invalid bitmap") );
1160
1161 return M_BMPDATA->m_display;
1162}
1163
1164#if wxUSE_NANOX
1165// Copy from the drawable to the wxImage
1166bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image)
1167{
1168 GR_SCREEN_INFO sinfo;
1169 int x, y;
1170 GR_PIXELVAL *pixels;
1171 GR_PALETTE* palette = NULL;
1172 unsigned char rgb[3], *pp;
1173
1174 GrGetScreenInfo(&sinfo);
1175
1176 if (sinfo.pixtype == MWPF_PALETTE) {
1177 if(!(palette = (GR_PALETTE*) malloc(sizeof(GR_PALETTE)))) {
1178 return FALSE;
1179 }
1180 GrGetSystemPalette(palette);
1181 }
1182
1183 if(!(pixels = (GR_PIXELVAL*) malloc(sizeof(GR_PIXELVAL) * width * height)))
1184 {
1185 return FALSE;
1186 }
1187
1188 image.Create(width, height);
1189
1190 GrReadArea(drawable, srcX, srcY, width, height,
1191 pixels);
1192
1193
1194 for(x = 0; x < sinfo.cols; x++) {
1195
1196 pp = (unsigned char *)pixels +
1197 ((x + (y * sinfo.cols)) *
1198 sizeof(GR_PIXELVAL));
1199
1200 switch(sinfo.pixtype) {
1201 /* FIXME: These may need modifying on big endian. */
1202 case MWPF_TRUECOLOR0888:
1203 case MWPF_TRUECOLOR888:
1204 rgb[0] = pp[2];
1205 rgb[1] = pp[1];
1206 rgb[2] = pp[0];
1207 break;
1208 case MWPF_PALETTE:
1209 rgb[0] = palette->palette[pp[0]].r;
1210 rgb[1] = palette->palette[pp[0]].g;
1211 rgb[2] = palette->palette[pp[0]].b;
1212 break;
1213 case MWPF_TRUECOLOR565:
1214 rgb[0] = pp[1] & 0xf8;
1215 rgb[1] = ((pp[1] & 0x07) << 5) |
1216 ((pp[0] & 0xe0) >> 3);
1217 rgb[2] = (pp[0] & 0x1f) << 3;
1218 break;
1219 case MWPF_TRUECOLOR555:
1220 rgb[0] = (pp[1] & 0x7c) << 1;
1221 rgb[1] = ((pp[1] & 0x03) << 6) |
1222 ((pp[0] & 0xe0) >> 2);
1223 rgb[2] = (pp[0] & 0x1f) << 3;
1224 break;
1225 case MWPF_TRUECOLOR332:
1226 rgb[0] = pp[0] & 0xe0;
1227 rgb[1] = (pp[0] & 0x1c) << 3;
1228 rgb[2] = (pp[0] & 0x03) << 6;
1229 break;
1230 default:
1231 fprintf(stderr, "Unsupported pixel "
1232 "format\n");
1233 return 1;
1234 }
1235
1236 image.SetRGB(x, y, rgb[0], rgb[1], rgb[2]);
1237
1238 }
1239
1240 free(pixels);
1241 if(palette) free(palette);
1242
1243 return TRUE;
1244}
1245
1246#if 0
1247int GrGetPixelColor(GR_SCREEN_INFO* sinfo, GR_PALETTE* palette, GR_PIXELVAL pixel,
1248 unsigned char* red, unsigned char* green, unsigned char* blue)
1249{
1250 unsigned char rgb[3], *pp;
1251
1252 pp = (unsigned char*) & pixel ;
1253
1254 switch (sinfo.pixtype)
1255 {
1256 /* FIXME: These may need modifying on big endian. */
1257 case MWPF_TRUECOLOR0888:
1258 case MWPF_TRUECOLOR888:
1259 rgb[0] = pp[2];
1260 rgb[1] = pp[1];
1261 rgb[2] = pp[0];
1262 break;
1263 case MWPF_PALETTE:
1264 rgb[0] = palette->palette[pp[0]].r;
1265 rgb[1] = palette->palette[pp[0]].g;
1266 rgb[2] = palette->palette[pp[0]].b;
1267 break;
1268 case MWPF_TRUECOLOR565:
1269 rgb[0] = pp[1] & 0xf8;
1270 rgb[1] = ((pp[1] & 0x07) << 5) |
1271 ((pp[0] & 0xe0) >> 3);
1272 rgb[2] = (pp[0] & 0x1f) << 3;
1273 break;
1274 case MWPF_TRUECOLOR555:
1275 rgb[0] = (pp[1] & 0x7c) << 1;
1276 rgb[1] = ((pp[1] & 0x03) << 6) |
1277 ((pp[0] & 0xe0) >> 2);
1278 rgb[2] = (pp[0] & 0x1f) << 3;
1279 break;
1280 case MWPF_TRUECOLOR332:
1281 rgb[0] = pp[0] & 0xe0;
1282 rgb[1] = (pp[0] & 0x1c) << 3;
1283 rgb[2] = (pp[0] & 0x03) << 6;
1284 break;
1285 default:
1286 fprintf(stderr, "Unsupported pixel format\n");
1287 return 0;
1288 }
1289
1290
1291 *(red) = rgb[0];
1292 *(green) = rgb[1];
1293 *(blue) = rgb[2];
1294 return 1;
1295}
1296#endif
1297
1298#endif
1299 // wxUSE_NANOX
1300
1301// ============================================================================
1302// Bitmap handlers
1303// ============================================================================
1304
1305IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase);
1306
1307#define M_BMPHANDLERDATA ((wxBitmapRefData *)bitmap->GetRefData())
1308
1309#if wxUSE_XPM
1310
1311#if wxHAVE_LIB_XPM || wxUSE_STREAMS
1312
1313// ----------------------------------------------------------------------------
1314// wxXPMFileHandler
1315// ----------------------------------------------------------------------------
1316
1317class wxXPMFileHandler : public wxBitmapHandler
1318{
1319 DECLARE_DYNAMIC_CLASS(wxXPMFileHandler);
1320public:
1321 wxXPMFileHandler()
1322 {
1323 m_name = wxT("XPM file");
1324 m_extension = wxT("xpm");
1325 m_type = wxBITMAP_TYPE_XPM;
1326 };
1327
1328 virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
1329 int desiredWidth, int desiredHeight);
1330
1331 virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name,
1332 int type, const wxPalette *palette = NULL);
1333
1334 virtual bool Create(wxBitmap *bitmap, void *data, long flags,
1335 int width, int height, int depth = 1)
1336 { return FALSE; }
1337};
1338
1339IMPLEMENT_DYNAMIC_CLASS(wxXPMFileHandler, wxBitmapHandler);
1340
1341bool wxXPMFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name,
1342 long flags, int desiredWidth,
1343 int desiredHeight)
1344{
1345#if wxHAVE_LIB_XPM
1346 if (!bitmap->GetRefData())
1347 bitmap->SetRefData( new wxBitmapRefData() );
1348
1349 M_BMPHANDLERDATA->m_display = wxGlobalDisplay();
1350
1351 Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display;
1352
1353 int xscreen = DefaultScreen( xdisplay );
1354 Window xroot = RootWindow( xdisplay, xscreen );
1355
1356 int bpp = DefaultDepth( xdisplay, xscreen );
1357
1358 XpmAttributes xpmAttr;
1359 xpmAttr.valuemask = XpmReturnInfos; // nothing yet, but get infos back
1360
1361 Pixmap pixmap;
1362 Pixmap mask = 0;
1363
1364 int ErrorStatus = XpmReadFileToPixmap( xdisplay, xroot,
1365 (char*) name.c_str(),
1366 &pixmap, &mask, &xpmAttr);
1367
1368 if (ErrorStatus == XpmSuccess)
1369 {
1370 M_BMPHANDLERDATA->m_width = xpmAttr.width;
1371 M_BMPHANDLERDATA->m_height = xpmAttr.height;
1372
1373 M_BMPHANDLERDATA->m_bpp = bpp; // mono as well?
1374
1375 XpmFreeAttributes(&xpmAttr);
1376
1377 M_BMPHANDLERDATA->m_bitmap = (WXPixmap) pixmap;
1378
1379 if (mask)
1380 {
1381 M_BMPHANDLERDATA->m_mask = new wxMask;
1382 M_BMPHANDLERDATA->m_mask->SetBitmap( (WXPixmap) mask );
1383 M_BMPHANDLERDATA->m_mask->SetDisplay( xdisplay );
1384 }
1385 }
1386 else
1387 {
1388 UnRef();
1389
1390 return FALSE;
1391 }
1392
1393 return TRUE;
1394#elif wxUSE_STREAMS
1395 wxXPMDecoder decoder;
1396 wxFileInputStream stream(name);
1397 if (stream.Ok())
1398 {
1399 wxImage image(decoder.ReadFile(stream));
1400 return image.Ok() && bitmap->CreateFromImage(image);
1401 }
1402
1403 return FALSE;
1404#else // !wxHAVE_LIB_XPM && !wxUSE_STREAMS
1405 return FALSE;
1406#endif // wxHAVE_LIB_XPM / wxUSE_STREAMS
1407}
1408
1409bool wxXPMFileHandler::SaveFile(const wxBitmap *bitmap, const wxString& name,
1410 int type,
1411 const wxPalette *WXUNUSED(palette))
1412{
1413 wxImage image(bitmap->ConvertToImage());
1414 if (image.Ok()) return image.SaveFile( name, (wxBitmapType)type );
1415
1416 return FALSE;
1417}
1418
1419#endif // wxHAVE_LIB_XPM || wxUSE_STREAMS
1420
1421// ----------------------------------------------------------------------------
1422// wxXPMDataHandler
1423// ----------------------------------------------------------------------------
1424
1425class wxXPMDataHandler : public wxBitmapHandler
1426{
1427 DECLARE_DYNAMIC_CLASS(wxXPMDataHandler);
1428public:
1429 wxXPMDataHandler()
1430 {
1431 m_name = wxT("XPM data");
1432 m_extension = wxT("xpm");
1433 m_type = wxBITMAP_TYPE_XPM_DATA;
1434 };
1435
1436 virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
1437 int desiredWidth, int desiredHeight)
1438 { return FALSE; }
1439
1440 virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name,
1441 int type, const wxPalette *palette = NULL)
1442 { return FALSE; }
1443
1444 virtual bool Create(wxBitmap *bitmap, void *data, long flags,
1445 int width, int height, int depth = 1);
1446};
1447
1448IMPLEMENT_DYNAMIC_CLASS(wxXPMDataHandler, wxBitmapHandler);
1449
1450bool wxXPMDataHandler::Create(wxBitmap *bitmap, void *bits,
1451 long WXUNUSED(flags),
1452 int width, int height, int WXUNUSED(depth))
1453{
1454#if wxHAVE_LIB_XPM
1455 wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
1456
1457 if (!bitmap->GetRefData())
1458 bitmap->SetRefData( new wxBitmapRefData() );
1459
1460 M_BMPHANDLERDATA->m_display = wxGlobalDisplay();
1461
1462 Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display;
1463
1464 int xscreen = DefaultScreen( xdisplay );
1465 Window xroot = RootWindow( xdisplay, xscreen );
1466
1467 int bpp = DefaultDepth( xdisplay, xscreen );
1468
1469 XpmAttributes xpmAttr;
1470 xpmAttr.valuemask = XpmReturnInfos; // nothing yet, but get infos back
1471
1472 Pixmap pixmap = 0;
1473 Pixmap mask = 0;
1474
1475 int ErrorStatus = XpmCreatePixmapFromData( xdisplay, xroot, (char**) bits,
1476 &pixmap, &mask, &xpmAttr );
1477
1478 if (ErrorStatus == XpmSuccess)
1479 {
1480 M_BMPHANDLERDATA->m_width = xpmAttr.width;
1481 M_BMPHANDLERDATA->m_height = xpmAttr.height;
1482
1483 M_BMPHANDLERDATA->m_bpp = bpp; // mono as well?
1484
1485#if __WXDEBUG__
1486 unsigned int depthRet;
1487 int xRet, yRet;
1488 unsigned int widthRet, heightRet, borderWidthRet;
1489 XGetGeometry( xdisplay, pixmap, &xroot, &xRet, &yRet,
1490 &widthRet, &heightRet, &borderWidthRet, &depthRet);
1491
1492 wxASSERT_MSG( bpp == (int)depthRet, wxT("colour depth mismatch") );
1493#endif
1494
1495 XpmFreeAttributes(&xpmAttr);
1496
1497 M_BMPHANDLERDATA->m_pixmap = (WXPixmap) pixmap;
1498
1499 if (mask)
1500 {
1501 M_BMPHANDLERDATA->m_mask = new wxMask;
1502 M_BMPHANDLERDATA->m_mask->SetBitmap( (WXPixmap) mask );
1503 M_BMPHANDLERDATA->m_mask->SetDisplay( xdisplay );
1504 }
1505 return TRUE;
1506 }
1507 else
1508 {
1509 bitmap->UnRef();
1510
1511 return FALSE;
1512 }
1513#else // !wxHAVE_LIB_XPM
1514 wxXPMDecoder decoder;
1515 wxImage image(decoder.ReadData((const char **)bits));
1516 return image.Ok() && bitmap->CreateFromImage(image);
1517#endif // wxHAVE_LIB_XPM/!wxHAVE_LIB_XPM
1518}
1519
1520#endif // wxUSE_XPM
1521
1522// ----------------------------------------------------------------------------
1523// wxXBMDataHandler
1524// ----------------------------------------------------------------------------
1525
1526class WXDLLEXPORT wxXBMDataHandler: public wxBitmapHandler
1527{
1528 DECLARE_DYNAMIC_CLASS(wxXBMDataHandler)
1529public:
1530 inline wxXBMDataHandler()
1531 {
1532 m_name = wxT("XBM data");
1533 m_extension = wxT("xbm");
1534 m_type = wxBITMAP_TYPE_XBM_DATA;
1535 };
1536
1537 virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
1538 int desiredWidth, int desiredHeight)
1539 { return FALSE; }
1540
1541 virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name,
1542 int type, const wxPalette *palette = NULL)
1543 { return FALSE; }
1544
1545 virtual bool Create(wxBitmap *bitmap, void *data, long flags,
1546 int width, int height, int depth = 1);
1547};
1548
1549IMPLEMENT_DYNAMIC_CLASS(wxXBMDataHandler, wxBitmapHandler);
1550
1551bool wxXBMDataHandler::Create( wxBitmap *bitmap, void *bits,
1552 long WXUNUSED(flags),
1553 int width, int height, int depth)
1554{
1555#if !wxUSE_NANOX
1556 if (!bitmap->GetRefData())
1557 bitmap->SetRefData( new wxBitmapRefData() );
1558
1559 M_BMPHANDLERDATA->m_display = wxGlobalDisplay();
1560
1561 Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display;
1562
1563 int xscreen = DefaultScreen( xdisplay );
1564 Window xroot = RootWindow( xdisplay, xscreen );
1565
1566 M_BMPHANDLERDATA->m_mask = (wxMask *) NULL;
1567 M_BMPHANDLERDATA->m_bitmap =
1568 (WXPixmap) XCreateBitmapFromData( xdisplay, xroot,
1569 (char *) bits, width, height );
1570 M_BMPHANDLERDATA->m_width = width;
1571 M_BMPHANDLERDATA->m_height = height;
1572 M_BMPHANDLERDATA->m_bpp = 1;
1573
1574 return TRUE;
1575#else
1576 wxCHECK_MSG( M_BMPHANDLERDATA->m_bitmap, FALSE,
1577 wxT("couldn't create bitmap") );
1578#endif
1579}
1580
1581void wxBitmap::InitStandardHandlers()
1582{
1583 AddHandler(new wxXBMDataHandler);
1584#if wxUSE_XPM
1585#if wxHAVE_LIB_XPM || wxUSE_STREAMS
1586 AddHandler(new wxXPMFileHandler);
1587#endif
1588 AddHandler(new wxXPMDataHandler);
1589#endif
1590}
wxWidgets (Impactor)