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1/////////////////////////////////////////////////////////////////////////////
2// Name: src/x11/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// for compilers that support precompilation, includes "wx.h".
13#include "wx/wxprec.h"
14
15#include "wx/bitmap.h"
16
17#ifndef WX_PRECOMP
18 #include "wx/log.h"
19 #include "wx/app.h"
20 #include "wx/dcmemory.h"
21 #include "wx/icon.h"
22 #include "wx/math.h"
23 #include "wx/image.h"
24#endif
25
26#include "wx/x11/private.h"
27
28/* No point in using libXPM for NanoX */
29#if wxUSE_NANOX
30#undef wxHAVE_LIB_XPM
31#define wxHAVE_LIB_XPM 0
32
33// Copy from the drawable to the wxImage
34bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image);
35#endif
36
37#if wxUSE_XPM
38#if wxHAVE_LIB_XPM
39#include <X11/xpm.h>
40#else
41#include "wx/xpmdecod.h"
42#include "wx/wfstream.h"
43#endif
44#endif
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 &= 0xf8;
122 green &= 0xf8;
123 blue &= 0xf8;
124 } else
125 if (bpp == 16)
126 {
127 red &= 0xf8;
128 green &= 0xfc;
129 blue &= 0xf8;
130 } else
131 if (bpp == 12)
132 {
133 red &= 0xf0;
134 green &= 0xf0;
135 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 virtual ~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 Display * const dpy = (Display *)xdisplay;
275
276 int xscreen = DefaultScreen( dpy );
277 Window xroot = RootWindow( dpy, xscreen );
278 Visual* xvisual = DefaultVisual( dpy, xscreen );
279
280 XImage* ximage = XCreateImage( dpy, xvisual, depth,
281 ZPixmap, 0, 0, width, height, 32, 0 );
282 ximage->data = (char*)malloc( ximage->bytes_per_line * ximage->height );
283 ximage = XGetSubImage( dpy, (Pixmap)xpixmap,
284 x, y, width, height,
285 AllPlanes, ZPixmap, ximage, 0, 0 );
286
287 GC gc = XCreateGC( dpy, (Pixmap)xpixmap, 0, NULL );
288 Pixmap ret = XCreatePixmap( dpy, xroot,
289 width, height, depth );
290
291 XPutImage( dpy, ret, gc, ximage,
292 0, 0, 0, 0, width, height );
293 XDestroyImage( ximage );
294 XFreeGC( dpy, gc );
295
296 return (WXPixmap)ret;
297}
298
299#define M_BMPDATA ((wxBitmapRefData *)m_refData)
300
301IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
302
303wxBitmap::wxBitmap()
304{
305}
306
307wxBitmap::wxBitmap( int width, int height, int depth )
308{
309 Create( width, height, depth );
310}
311
312bool wxBitmap::Create( int width, int height, int depth )
313{
314 UnRef();
315
316 wxCHECK_MSG( (width > 0) && (height > 0), false, wxT("invalid bitmap size") );
317
318 m_refData = new wxBitmapRefData();
319
320 M_BMPDATA->m_display = wxGlobalDisplay();
321
322 wxASSERT_MSG( M_BMPDATA->m_display, wxT("No display") );
323
324 int xscreen = DefaultScreen( (Display*) M_BMPDATA->m_display );
325 Window xroot = RootWindow( (Display*) M_BMPDATA->m_display, xscreen );
326
327 int bpp = DefaultDepth( (Display*) M_BMPDATA->m_display, xscreen );
328 if (depth == -1) depth = bpp;
329
330 wxCHECK_MSG( (depth == bpp) ||
331 (depth == 1), false, wxT("invalid bitmap depth") );
332
333 M_BMPDATA->m_mask = (wxMask *) NULL;
334 M_BMPDATA->m_width = width;
335 M_BMPDATA->m_height = height;
336
337#if wxUSE_NANOX
338 M_BMPDATA->m_pixmap = (WXPixmap) GrNewPixmap(width, height, NULL);
339 M_BMPDATA->m_bpp = bpp;
340
341 wxASSERT_MSG( M_BMPDATA->m_pixmap, wxT("Bitmap creation failed") );
342#else
343 if (depth == 1)
344 {
345 M_BMPDATA->m_bitmap = (WXPixmap) XCreatePixmap( (Display*) M_BMPDATA->m_display, xroot, width, height, 1 );
346
347 wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("Bitmap creation failed") );
348
349 M_BMPDATA->m_bpp = 1;
350 }
351 else
352 {
353 M_BMPDATA->m_pixmap = (WXPixmap) XCreatePixmap( (Display*) M_BMPDATA->m_display, xroot, width, height, depth );
354
355 wxASSERT_MSG( M_BMPDATA->m_pixmap, wxT("Pixmap creation failed") );
356
357 M_BMPDATA->m_bpp = depth;
358 }
359#endif
360 return Ok();
361}
362
363bool wxBitmap::Create(const void* data, wxBitmapType type,
364 int width, int height, int depth)
365{
366 UnRef();
367
368 wxBitmapHandler *handler = FindHandler(type);
369
370 if ( handler == NULL ) {
371 wxLogWarning(wxT("no data bitmap handler for type %ld defined."),
372 (long)type);
373
374 return false;
375 }
376
377 return handler->Create(this, data, type, width, height, depth);
378}
379
380bool wxBitmap::Create(WXPixmap pixmap)
381{
382 UnRef();
383 Pixmap xpixmap = (Pixmap)pixmap;
384 Display* xdisplay = wxGlobalDisplay();
385 int xscreen = DefaultScreen( xdisplay );
386 Window xroot = RootWindow( xdisplay, xscreen );
387
388 // make a copy of the Pixmap
389 Window root;
390 Pixmap copy;
391 int x, y;
392 unsigned width, height, border, depth;
393
394 XGetGeometry( xdisplay, (Drawable)xpixmap, &root, &x, &y,
395 &width, &height, &border, &depth );
396 copy = XCreatePixmap( xdisplay, xroot, width, height, depth );
397
398 GC gc = XCreateGC( xdisplay, copy, 0, NULL );
399 XCopyArea( xdisplay, xpixmap, copy, gc, 0, 0, width, height, 0, 0 );
400 XFreeGC( xdisplay, gc );
401
402 // fill in ref data
403 wxBitmapRefData* ref = new wxBitmapRefData();
404
405 if( depth == 1 )
406 ref->m_bitmap = (WXPixmap)copy;
407 else
408 ref->m_pixmap = (WXPixmap)copy;
409
410 ref->m_display = (WXDisplay*)xdisplay;
411 ref->m_width = width;
412 ref->m_height = height;
413 ref->m_bpp = depth;
414
415 m_refData = ref;
416
417 return true;
418}
419
420wxBitmap::wxBitmap(const char* const* bits)
421{
422 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] = (unsigned char)((pixel >> red_shift_right) << red_shift_left);
868 data[pos+1] = (unsigned char)((pixel >> green_shift_right) << green_shift_left);
869 data[pos+2] = (unsigned char)((pixel >> blue_shift_right) << blue_shift_left);
870 }
871 else if (colors)
872 {
873 data[pos] = (unsigned char)(colors[pixel].red >> 8);
874 data[pos+1] = (unsigned char)(colors[pixel].green >> 8);
875 data[pos+2] = (unsigned char)(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 wxString &filename, wxBitmapType type )
905{
906 LoadFile( filename, type );
907}
908
909wxBitmap::wxBitmap( const char bits[], int width, int height, int depth )
910{
911 m_refData = new wxBitmapRefData;
912
913 (void) Create(bits, wxBITMAP_TYPE_XBM_DATA, width, height, depth);
914}
915
916wxBitmap::~wxBitmap()
917{
918}
919
920bool wxBitmap::operator == ( const wxBitmap& bmp ) const
921{
922 return m_refData == bmp.m_refData;
923}
924
925bool wxBitmap::operator != ( const wxBitmap& bmp ) const
926{
927 return m_refData != bmp.m_refData;
928}
929
930bool wxBitmap::IsOk() const
931{
932 return (m_refData != NULL);
933}
934
935int wxBitmap::GetHeight() const
936{
937 wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
938
939 return M_BMPDATA->m_height;
940}
941
942int wxBitmap::GetWidth() const
943{
944 wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
945
946 return M_BMPDATA->m_width;
947}
948
949int wxBitmap::GetDepth() const
950{
951 wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
952
953 return M_BMPDATA->m_bpp;
954}
955
956wxMask *wxBitmap::GetMask() const
957{
958 wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
959
960 return M_BMPDATA->m_mask;
961}
962
963void wxBitmap::SetMask( wxMask *mask )
964{
965 wxCHECK_RET( Ok(), wxT("invalid bitmap") );
966
967 if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
968
969 M_BMPDATA->m_mask = mask;
970}
971
972bool wxBitmap::CopyFromIcon(const wxIcon& icon)
973{
974 *this = icon;
975 return true;
976}
977
978wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
979{
980 wxCHECK_MSG( Ok() &&
981 (rect.x >= 0) && (rect.y >= 0) &&
982 (rect.x+rect.width <= M_BMPDATA->m_width ) &&
983 (rect.y+rect.height <= M_BMPDATA->m_height),
984 wxNullBitmap, wxT("invalid bitmap or bitmap region") );
985
986 wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
987 wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
988
989 if( GetMask() )
990 {
991 wxMask* mask = new wxMask();
992 mask->SetDisplay( GetMask()->GetDisplay() );
993 mask->SetBitmap( wxGetSubPixmap( GetMask()->GetDisplay(),
994 GetMask()->GetBitmap(),
995 rect.x, rect.y,
996 rect.width, rect.height,
997 1 ) );
998
999 ret.SetMask( mask );
1000 }
1001
1002 if( GetPixmap() )
1003 {
1004 ret.SetPixmap( wxGetSubPixmap( GetDisplay(),
1005 GetPixmap(),
1006 rect.x, rect.y,
1007 rect.width, rect.height,
1008 M_BMPDATA->m_bpp ) );
1009 }
1010
1011 if( GetBitmap() )
1012 {
1013 ret.SetBitmap( wxGetSubPixmap( GetDisplay(),
1014 GetBitmap(),
1015 rect.x, rect.y,
1016 rect.width, rect.height,
1017 1 ) );
1018 }
1019
1020 return ret;
1021}
1022
1023bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type,
1024 const wxPalette *palette ) const
1025{
1026 wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
1027
1028 wxBitmapHandler *handler = FindHandler(type);
1029
1030 // Try to save the bitmap via wxImage handlers:
1031 if (handler == NULL)
1032 {
1033 wxImage image(this->ConvertToImage());
1034 if (image.Ok()) return image.SaveFile( name, type );
1035
1036 return false;
1037 }
1038
1039 return handler->SaveFile(this, name, type, palette);
1040}
1041
1042bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
1043{
1044 UnRef();
1045
1046 if (!wxFileExists(name)) return false;
1047
1048 wxBitmapHandler *handler = FindHandler(type);
1049
1050 if (handler == NULL)
1051 {
1052 wxImage image;
1053 if (!image.LoadFile( name, type ))
1054 return false;
1055
1056 if (image.Ok())
1057 {
1058 *this = wxBitmap(image);
1059 return true;
1060 }
1061 else return false;
1062 }
1063
1064 return handler->LoadFile(this, name, type, -1, -1);
1065}
1066
1067void wxBitmap::SetPalette(const wxPalette& palette)
1068{
1069 wxCHECK_RET(Ok(), wxT("invalid bitmap"));
1070 wxCHECK_RET(GetDepth() > 1 && GetDepth() <= 8,
1071 wxT("cannot set palette for bitmap of this depth"));
1072
1073 delete M_BMPDATA->m_palette;
1074 M_BMPDATA->m_palette = NULL;
1075
1076 if (!palette.Ok()) return;
1077
1078 M_BMPDATA->m_palette = new wxPalette(palette);
1079}
1080
1081wxPalette *wxBitmap::GetPalette() const
1082{
1083 if (!Ok()) return (wxPalette *) NULL;
1084
1085 return M_BMPDATA->m_palette;
1086}
1087
1088void wxBitmap::SetHeight( int height )
1089{
1090 if (!m_refData) m_refData = new wxBitmapRefData();
1091
1092 M_BMPDATA->m_height = height;
1093}
1094
1095void wxBitmap::SetWidth( int width )
1096{
1097 if (!m_refData) m_refData = new wxBitmapRefData();
1098
1099 M_BMPDATA->m_width = width;
1100}
1101
1102void wxBitmap::SetDepth( int depth )
1103{
1104 if (!m_refData) m_refData = new wxBitmapRefData();
1105
1106 M_BMPDATA->m_bpp = depth;
1107}
1108
1109void wxBitmap::SetPixmap( WXPixmap pixmap )
1110{
1111 if (!m_refData) m_refData = new wxBitmapRefData();
1112
1113 M_BMPDATA->m_pixmap = pixmap;
1114}
1115
1116void wxBitmap::SetBitmap( WXPixmap bitmap )
1117{
1118 if (!m_refData) m_refData = new wxBitmapRefData();
1119
1120 M_BMPDATA->m_bitmap = bitmap;
1121}
1122
1123WXPixmap wxBitmap::GetPixmap() const
1124{
1125 wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") );
1126
1127 return M_BMPDATA->m_pixmap;
1128}
1129
1130WXPixmap wxBitmap::GetBitmap() const
1131{
1132 wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") );
1133
1134 return M_BMPDATA->m_bitmap;
1135}
1136
1137WXPixmap wxBitmap::GetDrawable() const
1138{
1139 wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") );
1140
1141 return M_BMPDATA->m_bpp == 1 ? M_BMPDATA->m_bitmap : M_BMPDATA->m_pixmap;
1142}
1143
1144WXDisplay *wxBitmap::GetDisplay() const
1145{
1146 wxCHECK_MSG( Ok(), (WXDisplay*) NULL, wxT("invalid bitmap") );
1147
1148 return M_BMPDATA->m_display;
1149}
1150
1151#if wxUSE_NANOX
1152// Copy from the drawable to the wxImage
1153bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image)
1154{
1155 GR_SCREEN_INFO sinfo;
1156 int x, y;
1157 GR_PIXELVAL *pixels;
1158 GR_PALETTE* palette = NULL;
1159 unsigned char rgb[3], *pp;
1160
1161 GrGetScreenInfo(&sinfo);
1162
1163 if (sinfo.pixtype == MWPF_PALETTE) {
1164 if(!(palette = (GR_PALETTE*) malloc(sizeof(GR_PALETTE)))) {
1165 return false;
1166 }
1167 GrGetSystemPalette(palette);
1168 }
1169
1170 if(!(pixels = (GR_PIXELVAL*) malloc(sizeof(GR_PIXELVAL) * width * height)))
1171 {
1172 return false;
1173 }
1174
1175 image.Create(width, height);
1176
1177 GrReadArea(drawable, srcX, srcY, width, height,
1178 pixels);
1179
1180
1181 for(x = 0; x < sinfo.cols; x++) {
1182
1183 pp = (unsigned char *)pixels +
1184 ((x + (y * sinfo.cols)) *
1185 sizeof(GR_PIXELVAL));
1186
1187 switch(sinfo.pixtype) {
1188 /* FIXME: These may need modifying on big endian. */
1189 case MWPF_TRUECOLOR0888:
1190 case MWPF_TRUECOLOR888:
1191 rgb[0] = pp[2];
1192 rgb[1] = pp[1];
1193 rgb[2] = pp[0];
1194 break;
1195 case MWPF_PALETTE:
1196 rgb[0] = palette->palette[pp[0]].r;
1197 rgb[1] = palette->palette[pp[0]].g;
1198 rgb[2] = palette->palette[pp[0]].b;
1199 break;
1200 case MWPF_TRUECOLOR565:
1201 rgb[0] = pp[1] & 0xf8;
1202 rgb[1] = ((pp[1] & 0x07) << 5) |
1203 ((pp[0] & 0xe0) >> 3);
1204 rgb[2] = (pp[0] & 0x1f) << 3;
1205 break;
1206 case MWPF_TRUECOLOR555:
1207 rgb[0] = (pp[1] & 0x7c) << 1;
1208 rgb[1] = ((pp[1] & 0x03) << 6) |
1209 ((pp[0] & 0xe0) >> 2);
1210 rgb[2] = (pp[0] & 0x1f) << 3;
1211 break;
1212 case MWPF_TRUECOLOR332:
1213 rgb[0] = pp[0] & 0xe0;
1214 rgb[1] = (pp[0] & 0x1c) << 3;
1215 rgb[2] = (pp[0] & 0x03) << 6;
1216 break;
1217 default:
1218 fprintf(stderr, "Unsupported pixel "
1219 "format\n");
1220 return 1;
1221 }
1222
1223 image.SetRGB(x, y, rgb[0], rgb[1], rgb[2]);
1224
1225 }
1226
1227 free(pixels);
1228 if(palette) free(palette);
1229
1230 return true;
1231}
1232
1233#if 0
1234int GrGetPixelColor(GR_SCREEN_INFO* sinfo, GR_PALETTE* palette, GR_PIXELVAL pixel,
1235 unsigned char* red, unsigned char* green, unsigned char* blue)
1236{
1237 unsigned char rgb[3], *pp;
1238
1239 pp = (unsigned char*) & pixel ;
1240
1241 switch (sinfo.pixtype)
1242 {
1243 /* FIXME: These may need modifying on big endian. */
1244 case MWPF_TRUECOLOR0888:
1245 case MWPF_TRUECOLOR888:
1246 rgb[0] = pp[2];
1247 rgb[1] = pp[1];
1248 rgb[2] = pp[0];
1249 break;
1250 case MWPF_PALETTE:
1251 rgb[0] = palette->palette[pp[0]].r;
1252 rgb[1] = palette->palette[pp[0]].g;
1253 rgb[2] = palette->palette[pp[0]].b;
1254 break;
1255 case MWPF_TRUECOLOR565:
1256 rgb[0] = pp[1] & 0xf8;
1257 rgb[1] = ((pp[1] & 0x07) << 5) |
1258 ((pp[0] & 0xe0) >> 3);
1259 rgb[2] = (pp[0] & 0x1f) << 3;
1260 break;
1261 case MWPF_TRUECOLOR555:
1262 rgb[0] = (pp[1] & 0x7c) << 1;
1263 rgb[1] = ((pp[1] & 0x03) << 6) |
1264 ((pp[0] & 0xe0) >> 2);
1265 rgb[2] = (pp[0] & 0x1f) << 3;
1266 break;
1267 case MWPF_TRUECOLOR332:
1268 rgb[0] = pp[0] & 0xe0;
1269 rgb[1] = (pp[0] & 0x1c) << 3;
1270 rgb[2] = (pp[0] & 0x03) << 6;
1271 break;
1272 default:
1273 fprintf(stderr, "Unsupported pixel format\n");
1274 return 0;
1275 }
1276
1277
1278 *(red) = rgb[0];
1279 *(green) = rgb[1];
1280 *(blue) = rgb[2];
1281 return 1;
1282}
1283#endif
1284
1285#endif
1286 // wxUSE_NANOX
1287
1288// ============================================================================
1289// Bitmap handlers
1290// ============================================================================
1291
1292IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase)
1293
1294#define M_BMPHANDLERDATA ((wxBitmapRefData *)bitmap->GetRefData())
1295
1296#if wxUSE_XPM
1297
1298#if wxHAVE_LIB_XPM || wxUSE_STREAMS
1299
1300// ----------------------------------------------------------------------------
1301// wxXPMFileHandler
1302// ----------------------------------------------------------------------------
1303
1304class wxXPMFileHandler : public wxBitmapHandler
1305{
1306 DECLARE_DYNAMIC_CLASS(wxXPMFileHandler)
1307public:
1308 wxXPMFileHandler()
1309 {
1310 SetName( wxT("XPM file") );
1311 SetExtension( wxT("xpm") );
1312 SetType( wxBITMAP_TYPE_XPM );
1313 };
1314
1315 virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
1316 int desiredWidth, int desiredHeight);
1317
1318 virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name,
1319 int type, const wxPalette *palette = NULL);
1320
1321 virtual bool Create(wxBitmap *WXUNUSED(bitmap), const void* WXUNUSED(data), long WXUNUSED(flags),
1322 int WXUNUSED(width), int WXUNUSED(height), int WXUNUSED(depth) = 1)
1323 { return false; }
1324};
1325
1326IMPLEMENT_DYNAMIC_CLASS(wxXPMFileHandler, wxBitmapHandler)
1327
1328bool wxXPMFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name,
1329 long WXUNUSED(flags), int WXUNUSED(desiredWidth),
1330 int WXUNUSED(desiredHeight))
1331{
1332#if wxHAVE_LIB_XPM
1333 if (!bitmap->GetRefData())
1334 bitmap->SetRefData( new wxBitmapRefData() );
1335
1336 M_BMPHANDLERDATA->m_display = wxGlobalDisplay();
1337
1338 Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display;
1339
1340 int xscreen = DefaultScreen( xdisplay );
1341 Window xroot = RootWindow( xdisplay, xscreen );
1342
1343 int bpp = DefaultDepth( xdisplay, xscreen );
1344
1345 XpmAttributes xpmAttr;
1346 xpmAttr.valuemask = XpmReturnInfos; // nothing yet, but get infos back
1347
1348 Pixmap pixmap;
1349 Pixmap mask = 0;
1350
1351 int ErrorStatus = XpmReadFileToPixmap( xdisplay, xroot,
1352 (char*) name.c_str(),
1353 &pixmap, &mask, &xpmAttr);
1354
1355 if (ErrorStatus == XpmSuccess)
1356 {
1357 M_BMPHANDLERDATA->m_width = xpmAttr.width;
1358 M_BMPHANDLERDATA->m_height = xpmAttr.height;
1359
1360 M_BMPHANDLERDATA->m_bpp = bpp; // mono as well?
1361
1362 XpmFreeAttributes(&xpmAttr);
1363
1364 M_BMPHANDLERDATA->m_bitmap = (WXPixmap) pixmap;
1365
1366 if (mask)
1367 {
1368 M_BMPHANDLERDATA->m_mask = new wxMask;
1369 M_BMPHANDLERDATA->m_mask->SetBitmap( (WXPixmap) mask );
1370 M_BMPHANDLERDATA->m_mask->SetDisplay( xdisplay );
1371 }
1372 }
1373 else
1374 {
1375 UnRef();
1376
1377 return false;
1378 }
1379
1380 return true;
1381#elif wxUSE_STREAMS
1382 wxXPMDecoder decoder;
1383 wxFileInputStream stream(name);
1384 if (stream.Ok())
1385 {
1386 wxImage image(decoder.ReadFile(stream));
1387 return image.Ok() && bitmap->CreateFromImage(image);
1388 }
1389
1390 return false;
1391#else // !wxHAVE_LIB_XPM && !wxUSE_STREAMS
1392 return false;
1393#endif // wxHAVE_LIB_XPM / wxUSE_STREAMS
1394}
1395
1396bool wxXPMFileHandler::SaveFile(const wxBitmap *bitmap, const wxString& name,
1397 int type,
1398 const wxPalette *WXUNUSED(palette))
1399{
1400 wxImage image(bitmap->ConvertToImage());
1401 if (image.Ok()) return image.SaveFile( name, (wxBitmapType)type );
1402
1403 return false;
1404}
1405
1406#endif // wxHAVE_LIB_XPM || wxUSE_STREAMS
1407
1408// ----------------------------------------------------------------------------
1409// wxXPMDataHandler
1410// ----------------------------------------------------------------------------
1411
1412class wxXPMDataHandler : public wxBitmapHandler
1413{
1414 DECLARE_DYNAMIC_CLASS(wxXPMDataHandler)
1415public:
1416 wxXPMDataHandler()
1417 {
1418 SetName( wxT("XPM data") );
1419 SetExtension( wxT("xpm") );
1420 SetType( wxBITMAP_TYPE_XPM_DATA );
1421 };
1422
1423 virtual bool LoadFile(wxBitmap *WXUNUSED(bitmap),
1424 const wxString& WXUNUSED(name),
1425 long WXUNUSED(flags),
1426 int WXUNUSED(desiredWidth),
1427 int WXUNUSED(desiredHeight))
1428 { return false; }
1429
1430 virtual bool SaveFile(const wxBitmap *WXUNUSED(bitmap),
1431 const wxString& WXUNUSED(name),
1432 int WXUNUSED(type),
1433 const wxPalette *WXUNUSED(palette) = NULL)
1434 { return false; }
1435
1436 virtual bool Create(wxBitmap *bitmap, const void* data, long flags,
1437 int width, int height, int depth = 1);
1438};
1439
1440IMPLEMENT_DYNAMIC_CLASS(wxXPMDataHandler, wxBitmapHandler)
1441
1442bool wxXPMDataHandler::Create(wxBitmap *bitmap, const void* bits,
1443 long WXUNUSED(flags),
1444 int WXUNUSED(width), int WXUNUSED(height), int WXUNUSED(depth))
1445{
1446#if wxHAVE_LIB_XPM
1447 wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") );
1448
1449 if (!bitmap->GetRefData())
1450 bitmap->SetRefData( new wxBitmapRefData() );
1451
1452 M_BMPHANDLERDATA->m_display = wxGlobalDisplay();
1453
1454 Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display;
1455
1456 int xscreen = DefaultScreen( xdisplay );
1457 Window xroot = RootWindow( xdisplay, xscreen );
1458
1459 int bpp = DefaultDepth( xdisplay, xscreen );
1460
1461 XpmAttributes xpmAttr;
1462 xpmAttr.valuemask = XpmReturnInfos; // nothing yet, but get infos back
1463
1464 Pixmap pixmap = 0;
1465 Pixmap mask = 0;
1466
1467 int ErrorStatus = XpmCreatePixmapFromData( xdisplay, xroot, (char**) bits,
1468 &pixmap, &mask, &xpmAttr );
1469
1470 if (ErrorStatus == XpmSuccess)
1471 {
1472 M_BMPHANDLERDATA->m_width = xpmAttr.width;
1473 M_BMPHANDLERDATA->m_height = xpmAttr.height;
1474
1475 M_BMPHANDLERDATA->m_bpp = bpp; // mono as well?
1476
1477#if __WXDEBUG__
1478 unsigned int depthRet;
1479 int xRet, yRet;
1480 unsigned int widthRet, heightRet, borderWidthRet;
1481 XGetGeometry( xdisplay, pixmap, &xroot, &xRet, &yRet,
1482 &widthRet, &heightRet, &borderWidthRet, &depthRet);
1483
1484 wxASSERT_MSG( bpp == (int)depthRet, wxT("colour depth mismatch") );
1485#endif
1486
1487 XpmFreeAttributes(&xpmAttr);
1488
1489 M_BMPHANDLERDATA->m_pixmap = (WXPixmap) pixmap;
1490
1491 if (mask)
1492 {
1493 M_BMPHANDLERDATA->m_mask = new wxMask;
1494 M_BMPHANDLERDATA->m_mask->SetBitmap( (WXPixmap) mask );
1495 M_BMPHANDLERDATA->m_mask->SetDisplay( xdisplay );
1496 }
1497 return true;
1498 }
1499 else
1500 {
1501 bitmap->UnRef();
1502
1503 return false;
1504 }
1505#else // !wxHAVE_LIB_XPM
1506 wxXPMDecoder decoder;
1507 wxImage image(decoder.ReadData((const char **)bits));
1508 return image.Ok() && bitmap->CreateFromImage(image);
1509#endif // wxHAVE_LIB_XPM/!wxHAVE_LIB_XPM
1510}
1511
1512#endif // wxUSE_XPM
1513
1514// ----------------------------------------------------------------------------
1515// wxXBMDataHandler
1516// ----------------------------------------------------------------------------
1517
1518class WXDLLEXPORT wxXBMDataHandler: public wxBitmapHandler
1519{
1520 DECLARE_DYNAMIC_CLASS(wxXBMDataHandler)
1521public:
1522 inline wxXBMDataHandler()
1523 {
1524 SetName( wxT("XBM data") );
1525 SetExtension( wxT("xbm") );
1526 SetType( wxBITMAP_TYPE_XBM_DATA );
1527 };
1528
1529 virtual bool LoadFile(wxBitmap *WXUNUSED(bitmap),
1530 const wxString& WXUNUSED(name),
1531 long WXUNUSED(flags),
1532 int WXUNUSED(desiredWidth),
1533 int WXUNUSED(desiredHeight))
1534 { return false; }
1535
1536 virtual bool SaveFile(const wxBitmap *WXUNUSED(bitmap),
1537 const wxString& WXUNUSED(name),
1538 int WXUNUSED(type),
1539 const wxPalette *WXUNUSED(palette) = NULL)
1540 { return false; }
1541
1542 virtual bool Create(wxBitmap *bitmap, const void* data, long flags,
1543 int width, int height, int depth = 1);
1544};
1545
1546IMPLEMENT_DYNAMIC_CLASS(wxXBMDataHandler, wxBitmapHandler)
1547
1548bool wxXBMDataHandler::Create( wxBitmap *bitmap, const void* bits,
1549 long WXUNUSED(flags),
1550 int width, int height, int WXUNUSED(depth))
1551{
1552#if !wxUSE_NANOX
1553 if (!bitmap->GetRefData())
1554 bitmap->SetRefData( new wxBitmapRefData() );
1555
1556 M_BMPHANDLERDATA->m_display = wxGlobalDisplay();
1557
1558 Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display;
1559
1560 int xscreen = DefaultScreen( xdisplay );
1561 Window xroot = RootWindow( xdisplay, xscreen );
1562
1563 M_BMPHANDLERDATA->m_mask = (wxMask *) NULL;
1564 M_BMPHANDLERDATA->m_bitmap =
1565 (WXPixmap) XCreateBitmapFromData( xdisplay, xroot,
1566 (char *) bits, width, height );
1567 M_BMPHANDLERDATA->m_width = width;
1568 M_BMPHANDLERDATA->m_height = height;
1569 M_BMPHANDLERDATA->m_bpp = 1;
1570
1571 return true;
1572#else
1573 wxCHECK_MSG( M_BMPHANDLERDATA->m_bitmap, false,
1574 wxT("couldn't create bitmap") );
1575#endif
1576}
1577
1578void wxBitmap::InitStandardHandlers()
1579{
1580 AddHandler(new wxXBMDataHandler);
1581#if wxUSE_XPM
1582#if wxHAVE_LIB_XPM || wxUSE_STREAMS
1583 AddHandler(new wxXPMFileHandler);
1584#endif
1585 AddHandler(new wxXPMDataHandler);
1586#endif
1587}
wxWidgets (Impactor)