1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
|
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: bmpacc.hxx,v $
* $Revision: 1.5 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _SV_BMPACC_HXX
#define _SV_BMPACC_HXX
#include <vcl/sv.h>
#include <vcl/dllapi.h>
#include <vcl/salbtype.hxx>
#include <vcl/bitmap.hxx>
//#if 0 // _SOLAR__PRIVATE
// --------------------
// - Access defines -
// --------------------
#define DECL_FORMAT_GETPIXEL( Format ) \
static BitmapColor GetPixelFor##Format( ConstScanline pScanline, long nX, const ColorMask& rMask );
#define DECL_FORMAT_SETPIXEL( Format ) \
static void SetPixelFor##Format( Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask& rMask );
#define DECL_FORMAT( Format ) \
DECL_FORMAT_GETPIXEL( Format ) \
DECL_FORMAT_SETPIXEL( Format )
#define IMPL_FORMAT_GETPIXEL( Format ) \
BitmapColor BitmapReadAccess::GetPixelFor##Format( ConstScanline pScanline, long nX, const ColorMask& rMask )
#define IMPL_FORMAT_GETPIXEL_NOMASK( Format ) \
BitmapColor BitmapReadAccess::GetPixelFor##Format( ConstScanline pScanline, long nX, const ColorMask& )
#define IMPL_FORMAT_SETPIXEL( Format ) \
void BitmapReadAccess::SetPixelFor##Format( Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask& rMask )
#define IMPL_FORMAT_SETPIXEL_NOMASK( Format ) \
void BitmapReadAccess::SetPixelFor##Format( Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask& )
#define CASE_FORMAT( Format ) \
case( BMP_FORMAT##Format ): \
{ \
mFncGetPixel = GetPixelFor##Format;\
mFncSetPixel = SetPixelFor##Format;\
} \
break;
//#endif // __PRIVATE
// --------------------
// - Access functions -
// --------------------
typedef BitmapColor (*FncGetPixel)( ConstScanline pScanline, long nX, const ColorMask& rMask );
typedef void (*FncSetPixel)( Scanline pScanline, long nX, const BitmapColor& rBitmapColor, const ColorMask& rMask );
// --------------------
// - BitmapReadAccess -
// --------------------
class VCL_DLLPUBLIC BitmapReadAccess
{
friend class BitmapWriteAccess;
private:
BitmapReadAccess() {}
BitmapReadAccess( const BitmapReadAccess& ) {}
BitmapReadAccess& operator=( const BitmapReadAccess& ) { return *this; }
protected:
Bitmap maBitmap;
BitmapBuffer* mpBuffer;
Scanline* mpScanBuf;
ColorMask maColorMask;
FncGetPixel mFncGetPixel;
FncSetPixel mFncSetPixel;
BOOL mbModify;
//#if 0 // _SOLAR__PRIVATE
SAL_DLLPRIVATE void ImplCreate( Bitmap& rBitmap );
SAL_DLLPRIVATE void ImplDestroy();
SAL_DLLPRIVATE BOOL ImplSetAccessPointers( ULONG nFormat );
public:
SAL_DLLPRIVATE void ImplZeroInitUnusedBits();
SAL_DLLPRIVATE BitmapBuffer* ImplGetBitmapBuffer() const { return mpBuffer; }
DECL_FORMAT( _1BIT_MSB_PAL )
DECL_FORMAT( _1BIT_LSB_PAL )
DECL_FORMAT( _4BIT_MSN_PAL )
DECL_FORMAT( _4BIT_LSN_PAL )
DECL_FORMAT( _8BIT_PAL )
DECL_FORMAT( _8BIT_TC_MASK )
DECL_FORMAT( _16BIT_TC_MSB_MASK )
DECL_FORMAT( _16BIT_TC_LSB_MASK )
DECL_FORMAT( _24BIT_TC_BGR )
DECL_FORMAT( _24BIT_TC_RGB )
DECL_FORMAT( _24BIT_TC_MASK )
DECL_FORMAT( _32BIT_TC_ABGR )
DECL_FORMAT( _32BIT_TC_ARGB )
DECL_FORMAT( _32BIT_TC_BGRA )
DECL_FORMAT( _32BIT_TC_RGBA )
DECL_FORMAT( _32BIT_TC_MASK )
//#endif // __PRIVATE
protected:
BitmapReadAccess( Bitmap& rBitmap, BOOL bModify );
void Flush();
void ReAccess( BOOL bModify );
public:
BitmapReadAccess( Bitmap& rBitmap );
virtual ~BitmapReadAccess();
inline BOOL operator!() const;
inline long Width() const;
inline long Height() const;
inline Point TopLeft() const;
inline Point BottomRight() const;
inline BOOL IsTopDown() const;
inline BOOL IsBottomUp() const;
inline ULONG GetScanlineFormat() const;
inline ULONG GetScanlineSize() const;
inline USHORT GetBitCount() const;
inline BitmapColor GetBestMatchingColor( const BitmapColor& rBitmapColor );
inline Scanline GetBuffer() const;
inline Scanline GetScanline( long nY ) const;
inline BOOL HasPalette() const;
inline const BitmapPalette& GetPalette() const;
inline USHORT GetPaletteEntryCount() const;
inline const BitmapColor& GetPaletteColor( USHORT nColor ) const;
inline const BitmapColor& GetBestPaletteColor( const BitmapColor& rBitmapColor ) const;
USHORT GetBestPaletteIndex( const BitmapColor& rBitmapColor ) const;
inline BOOL HasColorMask() const;
inline ColorMask& GetColorMask() const;
inline BitmapColor GetPixelFromData( const BYTE* pData, long nX ) const;
inline void SetPixelOnData( BYTE* pData, long nX, const BitmapColor& rBitmapColor );
inline BitmapColor GetPixel( long nY, long nX ) const;
inline BitmapColor GetColor( long nY, long nX ) const;
inline BYTE GetLuminance( long nY, long nX ) const;
};
// ---------------------
// - BitmapWriteAccess -
// ---------------------
class VCL_DLLPUBLIC BitmapWriteAccess : public BitmapReadAccess
{
public:
BitmapWriteAccess( Bitmap& rBitmap );
virtual ~BitmapWriteAccess();
void CopyScanline( long nY, const BitmapReadAccess& rReadAcc );
void CopyScanline( long nY, ConstScanline aSrcScanline,
ULONG nSrcScanlineFormat, ULONG nSrcScanlineSize );
void CopyBuffer( const BitmapReadAccess& rReadAcc );
inline void SetPalette( const BitmapPalette& rPalette );
inline void SetPaletteEntryCount( USHORT nCount );
inline void SetPaletteColor( USHORT nColor, const BitmapColor& rBitmapColor );
inline void SetPixel( long nY, long nX, const BitmapColor& rBitmapColor );
void SetLineColor();
void SetLineColor( const Color& rColor );
Color GetLineColor() const;
void SetFillColor();
void SetFillColor( const Color& rColor );
Color GetFillColor() const;
void Erase( const Color& rColor );
void DrawLine( const Point& rStart, const Point& rEnd );
void FillRect( const Rectangle& rRect );
void DrawRect( const Rectangle& rRect );
void FillPolygon( const Polygon& rPoly );
void DrawPolygon( const Polygon& rPoly );
void FillPolyPolygon( const PolyPolygon& rPoly );
void DrawPolyPolygon( const PolyPolygon& rPolyPoly );
private:
BitmapColor* mpLineColor;
BitmapColor* mpFillColor;
BitmapWriteAccess() {}
BitmapWriteAccess( const BitmapWriteAccess& ) : BitmapReadAccess() {}
BitmapWriteAccess& operator=( const BitmapWriteAccess& ) { return *this; }
};
// -------------------
// - Accessor Helper -
// -------------------
/** This template handles BitmapAccess the RAII way.
Please don't use directly, but the ready-made typedefs for
BitmapReadAccess and BitmapWriteAccess below.
*/
template < class Access > class ScopedBitmapAccess
{
public:
ScopedBitmapAccess( Access* pAccess,
Bitmap& rBitmap ) :
mpAccess( pAccess ),
mrBitmap( rBitmap )
{
}
~ScopedBitmapAccess()
{
mrBitmap.ReleaseAccess( mpAccess );
}
Access* get() { return mpAccess; }
const Access* get() const { return mpAccess; }
Access* operator->() { return mpAccess; }
const Access* operator->() const { return mpAccess; }
Access& operator*() { return *mpAccess; }
const Access& operator*() const { return *mpAccess; }
private:
Access* mpAccess;
Bitmap& mrBitmap;
};
/** This wrapper handles BitmapReadAccess the RAII way.
Use as follows:
Bitmap aBitmap
ScopedBitmapReadAccess pReadAccess( aBitmap.AcquireReadAccess(), aBitmap );
pReadAccess->SetPixel()...
@attention for practical reasons, ScopedBitmapReadAccess stores a
reference to the provided bitmap, thus, make sure that the bitmap
specified at construction time lives at least as long as the
ScopedBitmapReadAccess.
*/
typedef ScopedBitmapAccess< BitmapReadAccess > ScopedBitmapReadAccess;
/** This wrapper handles BitmapWriteAccess the RAII way.
Use as follows:
Bitmap aBitmap
ScopedBitmapWriteAccess pWriteAccess( aBitmap.AcquireWriteAccess(), aBitmap );
pWriteAccess->SetPixel()...
@attention for practical reasons, ScopedBitmapWriteAccess stores a
reference to the provided bitmap, thus, make sure that the bitmap
specified at construction time lives at least as long as the
ScopedBitmapWriteAccess.
*/
typedef ScopedBitmapAccess< BitmapWriteAccess > ScopedBitmapWriteAccess;
// -----------
// - Inlines -
// -----------
inline BOOL BitmapReadAccess::operator!() const
{
return( mpBuffer == NULL );
}
// ------------------------------------------------------------------
inline long BitmapReadAccess::Width() const
{
return( mpBuffer ? mpBuffer->mnWidth : 0L );
}
// ------------------------------------------------------------------
inline long BitmapReadAccess::Height() const
{
return( mpBuffer ? mpBuffer->mnHeight : 0L );
}
// ------------------------------------------------------------------
inline Point BitmapReadAccess::TopLeft() const
{
return Point();
}
// ------------------------------------------------------------------
inline Point BitmapReadAccess::BottomRight() const
{
return Point( Width() - 1L, Height() - 1L );
}
// ------------------------------------------------------------------
inline BOOL BitmapReadAccess::IsTopDown() const
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
return( mpBuffer ? sal::static_int_cast<BOOL>( BMP_SCANLINE_ADJUSTMENT( mpBuffer->mnFormat ) == BMP_FORMAT_TOP_DOWN ) : FALSE );
}
// ------------------------------------------------------------------
inline BOOL BitmapReadAccess::IsBottomUp() const
{
return !IsTopDown();
}
// ------------------------------------------------------------------
inline ULONG BitmapReadAccess::GetScanlineFormat() const
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
return( mpBuffer ? BMP_SCANLINE_FORMAT( mpBuffer->mnFormat ) : 0UL );
}
// ------------------------------------------------------------------
inline ULONG BitmapReadAccess::GetScanlineSize() const
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
return( mpBuffer ? mpBuffer->mnScanlineSize : 0UL );
}
// ------------------------------------------------------------------
inline USHORT BitmapReadAccess::GetBitCount() const
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
return( mpBuffer ? mpBuffer->mnBitCount : 0 );
}
// ------------------------------------------------------------------
inline BitmapColor BitmapReadAccess::GetBestMatchingColor( const BitmapColor& rBitmapColor )
{
if( HasPalette() )
return BitmapColor( (BYTE) GetBestPaletteIndex( rBitmapColor ) );
else
return rBitmapColor;
}
// ------------------------------------------------------------------
inline Scanline BitmapReadAccess::GetBuffer() const
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
return( mpBuffer ? mpBuffer->mpBits : NULL );
}
// ------------------------------------------------------------------
inline Scanline BitmapReadAccess::GetScanline( long nY ) const
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
DBG_ASSERT( nY < mpBuffer->mnHeight, "y-coordinate out of range!" );
return( mpBuffer ? mpScanBuf[ nY ] : NULL );
}
// ------------------------------------------------------------------
inline BOOL BitmapReadAccess::HasPalette() const
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
return( mpBuffer && !!mpBuffer->maPalette );
}
// ------------------------------------------------------------------
inline const BitmapPalette& BitmapReadAccess::GetPalette() const
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
return mpBuffer->maPalette;
}
// ------------------------------------------------------------------
inline USHORT BitmapReadAccess::GetPaletteEntryCount() const
{
DBG_ASSERT( HasPalette(), "Bitmap has no palette!" );
return( HasPalette() ? mpBuffer->maPalette.GetEntryCount() : 0 );
}
// ------------------------------------------------------------------
inline const BitmapColor& BitmapReadAccess::GetPaletteColor( USHORT nColor ) const
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
DBG_ASSERT( HasPalette(), "Bitmap has no palette!" );
return mpBuffer->maPalette[ nColor ];
}
// ------------------------------------------------------------------
inline const BitmapColor& BitmapReadAccess::GetBestPaletteColor( const BitmapColor& rBitmapColor ) const
{
return GetPaletteColor( GetBestPaletteIndex( rBitmapColor ) );
}
// ------------------------------------------------------------------
inline BOOL BitmapReadAccess::HasColorMask() const
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
const ULONG nFormat = BMP_SCANLINE_FORMAT( mpBuffer->mnFormat );
return( nFormat == BMP_FORMAT_8BIT_TC_MASK ||
nFormat == BMP_FORMAT_16BIT_TC_MSB_MASK ||
nFormat == BMP_FORMAT_16BIT_TC_LSB_MASK ||
nFormat == BMP_FORMAT_24BIT_TC_MASK ||
nFormat == BMP_FORMAT_32BIT_TC_MASK );
}
// ------------------------------------------------------------------
inline ColorMask& BitmapReadAccess::GetColorMask() const
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
return mpBuffer->maColorMask;
}
// ------------------------------------------------------------------
inline BitmapColor BitmapReadAccess::GetPixel( long nY, long nX ) const
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
DBG_ASSERT( nX < mpBuffer->mnWidth, "x-coordinate out of range!" );
DBG_ASSERT( nY < mpBuffer->mnHeight, "y-coordinate out of range!" );
return mFncGetPixel( mpScanBuf[ nY ], nX, maColorMask );
}
// ------------------------------------------------------------------
inline BitmapColor BitmapReadAccess::GetPixelFromData( const BYTE* pData, long nX ) const
{
DBG_ASSERT( pData, "Access is not valid!" );
return mFncGetPixel( pData, nX, maColorMask );
}
// ------------------------------------------------------------------
inline void BitmapReadAccess::SetPixelOnData( BYTE* pData, long nX, const BitmapColor& rBitmapColor )
{
DBG_ASSERT( pData, "Access is not valid!" );
mFncSetPixel( pData, nX, rBitmapColor, maColorMask );
}
// ------------------------------------------------------------------
inline BitmapColor BitmapReadAccess::GetColor( long nY, long nX ) const
{
if( !!mpBuffer->maPalette )
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
return mpBuffer->maPalette[ GetPixel( nY, nX ).GetIndex() ];
}
else
return GetPixel( nY, nX );
}
// ------------------------------------------------------------------
inline BYTE BitmapReadAccess::GetLuminance( long nY, long nX ) const
{
return GetColor( nY, nX ).GetLuminance();
}
// ------------------------------------------------------------------
inline void BitmapWriteAccess::SetPalette( const BitmapPalette& rPalette )
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
mpBuffer->maPalette = rPalette;
}
// ------------------------------------------------------------------
inline void BitmapWriteAccess::SetPaletteEntryCount( USHORT nCount )
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
mpBuffer->maPalette.SetEntryCount( nCount );
}
// ------------------------------------------------------------------
inline void BitmapWriteAccess::SetPaletteColor( USHORT nColor, const BitmapColor& rBitmapColor )
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
DBG_ASSERT( HasPalette(), "Bitmap has no palette!" );
mpBuffer->maPalette[ nColor ] = rBitmapColor;
}
// ------------------------------------------------------------------
inline void BitmapWriteAccess::SetPixel( long nY, long nX, const BitmapColor& rBitmapColor )
{
DBG_ASSERT( mpBuffer, "Access is not valid!" );
DBG_ASSERT( nX < mpBuffer->mnWidth, "x-coordinate out of range!" );
DBG_ASSERT( nY < mpBuffer->mnHeight, "y-coordinate out of range!" );
mFncSetPixel( mpScanBuf[ nY ], nX, rBitmapColor, maColorMask );
}
#endif // _SV_BMPACC_HXX
|
