Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "headless/svpbmp.hxx"
21 :
22 : #include <basegfx/vector/b2ivector.hxx>
23 : #include <basegfx/range/b2ibox.hxx>
24 : #include <basebmp/scanlineformats.hxx>
25 : #include <basebmp/color.hxx>
26 :
27 : #include <vcl/salbtype.hxx>
28 : #include <vcl/bitmap.hxx>
29 :
30 : using namespace basebmp;
31 : using namespace basegfx;
32 :
33 5160 : SvpSalBitmap::~SvpSalBitmap()
34 : {
35 5160 : }
36 :
37 1278 : bool SvpSalBitmap::Create( const Size& rSize,
38 : sal_uInt16 nBitCount,
39 : const BitmapPalette& rPalette )
40 : {
41 1278 : sal_uInt32 nFormat = SVP_DEFAULT_BITMAP_FORMAT;
42 1278 : switch( nBitCount )
43 : {
44 154 : case 1: nFormat = Format::ONE_BIT_MSB_PAL; break;
45 6 : case 4: nFormat = Format::FOUR_BIT_MSB_PAL; break;
46 622 : case 8: nFormat = Format::EIGHT_BIT_PAL; break;
47 : #ifdef OSL_BIGENDIAN
48 : case 16: nFormat = Format::SIXTEEN_BIT_MSB_TC_MASK; break;
49 : #else
50 0 : case 16: nFormat = Format::SIXTEEN_BIT_LSB_TC_MASK; break;
51 : #endif
52 496 : case 24: nFormat = Format::TWENTYFOUR_BIT_TC_MASK; break;
53 : #if defined(ANDROID) || defined(IOS)
54 : case 32: nFormat = Format::THIRTYTWO_BIT_TC_MASK_RGBA; break;
55 : #else
56 0 : case 32: nFormat = Format::THIRTYTWO_BIT_TC_MASK; break;
57 : #endif
58 : }
59 1278 : B2IVector aSize( rSize.Width(), rSize.Height() );
60 1278 : if( aSize.getX() == 0 )
61 0 : aSize.setX( 1 );
62 1278 : if( aSize.getY() == 0 )
63 0 : aSize.setY( 1 );
64 1278 : if( nBitCount > 8 )
65 496 : m_aBitmap = createBitmapDevice( aSize, false, nFormat );
66 : else
67 : {
68 : // prepare palette
69 782 : unsigned int nEntries = 1U << nBitCount;
70 : std::vector<basebmp::Color>* pPalette =
71 782 : new std::vector<basebmp::Color>( nEntries, basebmp::Color(COL_WHITE) );
72 782 : unsigned int nColors = rPalette.GetEntryCount();
73 159354 : for( unsigned int i = 0; i < nColors; i++ )
74 : {
75 158572 : const BitmapColor& rCol = rPalette[i];
76 158572 : (*pPalette)[i] = basebmp::Color( rCol.GetRed(), rCol.GetGreen(), rCol.GetBlue() );
77 : }
78 : m_aBitmap = createBitmapDevice( aSize, false, nFormat,
79 : basebmp::RawMemorySharedArray(),
80 : basebmp::PaletteMemorySharedVector( pPalette )
81 782 : );
82 : }
83 1278 : return true;
84 : }
85 :
86 380 : bool SvpSalBitmap::Create( const SalBitmap& rSalBmp )
87 : {
88 380 : const SvpSalBitmap& rSrc = static_cast<const SvpSalBitmap&>(rSalBmp);
89 380 : const BitmapDeviceSharedPtr& rSrcBmp = rSrc.getBitmap();
90 380 : if( rSrcBmp.get() )
91 : {
92 380 : B2IVector aSize = rSrcBmp->getSize();
93 380 : m_aBitmap = cloneBitmapDevice( aSize, rSrcBmp );
94 380 : B2IBox aRect( 0, 0, aSize.getX(), aSize.getY() );
95 380 : m_aBitmap->drawBitmap( rSrcBmp, aRect, aRect, DrawMode_PAINT );
96 : }
97 : else
98 0 : m_aBitmap.reset();
99 :
100 380 : return true;
101 : }
102 :
103 14 : bool SvpSalBitmap::Create( const SalBitmap& /*rSalBmp*/,
104 : SalGraphics* /*pGraphics*/ )
105 : {
106 14 : return false;
107 : }
108 :
109 6 : bool SvpSalBitmap::Create( const SalBitmap& /*rSalBmp*/,
110 : sal_uInt16 /*nNewBitCount*/ )
111 : {
112 6 : return false;
113 : }
114 :
115 0 : bool SvpSalBitmap::Create( const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmapCanvas > /*xBitmapCanvas*/, Size& /*rSize*/, bool /*bMask*/ )
116 : {
117 0 : return false;
118 : }
119 :
120 0 : void SvpSalBitmap::Destroy()
121 : {
122 0 : m_aBitmap.reset();
123 0 : }
124 :
125 3843 : Size SvpSalBitmap::GetSize() const
126 : {
127 3843 : Size aSize;
128 3843 : if( m_aBitmap.get() )
129 : {
130 3843 : B2IVector aVec( m_aBitmap->getSize() );
131 3843 : aSize = Size( aVec.getX(), aVec.getY() );
132 : }
133 :
134 3843 : return aSize;
135 : }
136 :
137 2055 : sal_uInt16 SvpSalBitmap::GetBitCount() const
138 : {
139 2055 : sal_uInt16 nDepth = 0;
140 2055 : if( m_aBitmap.get() )
141 2049 : nDepth = getBitCountFromScanlineFormat( m_aBitmap->getScanlineFormat() );
142 2055 : return nDepth;
143 : }
144 :
145 3912 : BitmapBuffer* SvpSalBitmap::AcquireBuffer( bool )
146 : {
147 3912 : BitmapBuffer* pBuf = NULL;
148 3912 : if( m_aBitmap.get() )
149 : {
150 3906 : pBuf = new BitmapBuffer();
151 3906 : sal_uInt16 nBitCount = 1;
152 3906 : switch( m_aBitmap->getScanlineFormat() )
153 : {
154 : case Format::ONE_BIT_MSB_GREY:
155 : case Format::ONE_BIT_MSB_PAL:
156 295 : nBitCount = 1;
157 295 : pBuf->mnFormat = BMP_FORMAT_1BIT_MSB_PAL;
158 295 : break;
159 : case Format::ONE_BIT_LSB_GREY:
160 : case Format::ONE_BIT_LSB_PAL:
161 0 : nBitCount = 1;
162 0 : pBuf->mnFormat = BMP_FORMAT_1BIT_LSB_PAL;
163 0 : break;
164 : case Format::FOUR_BIT_MSB_GREY:
165 : case Format::FOUR_BIT_MSB_PAL:
166 12 : nBitCount = 4;
167 12 : pBuf->mnFormat = BMP_FORMAT_4BIT_MSN_PAL;
168 12 : break;
169 : case Format::FOUR_BIT_LSB_GREY:
170 : case Format::FOUR_BIT_LSB_PAL:
171 0 : nBitCount = 4;
172 0 : pBuf->mnFormat = BMP_FORMAT_4BIT_LSN_PAL;
173 0 : break;
174 : case Format::EIGHT_BIT_PAL:
175 2190 : nBitCount = 8;
176 2190 : pBuf->mnFormat = BMP_FORMAT_8BIT_PAL;
177 2190 : break;
178 : case Format::EIGHT_BIT_GREY:
179 0 : nBitCount = 8;
180 0 : pBuf->mnFormat = BMP_FORMAT_8BIT_PAL;
181 0 : break;
182 : case Format::SIXTEEN_BIT_LSB_TC_MASK:
183 0 : nBitCount = 16;
184 0 : pBuf->mnFormat = BMP_FORMAT_16BIT_TC_LSB_MASK;
185 0 : pBuf->maColorMask = ColorMask( 0xf800, 0x07e0, 0x001f );
186 0 : break;
187 : case Format::SIXTEEN_BIT_MSB_TC_MASK:
188 0 : nBitCount = 16;
189 0 : pBuf->mnFormat = BMP_FORMAT_16BIT_TC_MSB_MASK;
190 0 : pBuf->maColorMask = ColorMask( 0xf800, 0x07e0, 0x001f );
191 0 : break;
192 : case Format::TWENTYFOUR_BIT_TC_MASK:
193 1409 : nBitCount = 24;
194 1409 : pBuf->mnFormat = BMP_FORMAT_24BIT_TC_BGR;
195 1409 : break;
196 : case Format::THIRTYTWO_BIT_TC_MASK_BGRA:
197 0 : nBitCount = 32;
198 0 : pBuf->mnFormat = BMP_FORMAT_32BIT_TC_MASK;
199 : #ifdef OSL_BIGENDIAN
200 : pBuf->maColorMask = ColorMask( 0x0000ff00, 0x00ff0000, 0xff000000 );
201 : #else
202 0 : pBuf->maColorMask = ColorMask( 0x00ff0000, 0x0000ff00, 0x000000ff );
203 : #endif
204 0 : break;
205 : case Format::THIRTYTWO_BIT_TC_MASK_ARGB:
206 0 : nBitCount = 32;
207 0 : pBuf->mnFormat = BMP_FORMAT_32BIT_TC_MASK;
208 : #ifdef OSL_BIGENDIAN
209 : pBuf->maColorMask = ColorMask( 0x00ff0000, 0x0000ff00, 0x000000ff );
210 : #else
211 0 : pBuf->maColorMask = ColorMask( 0x0000ff00, 0x00ff0000, 0xff000000 );
212 : #endif
213 0 : break;
214 : case Format::THIRTYTWO_BIT_TC_MASK_ABGR:
215 0 : nBitCount = 32;
216 0 : pBuf->mnFormat = BMP_FORMAT_32BIT_TC_MASK;
217 : #ifdef OSL_BIGENDIAN
218 : pBuf->maColorMask = ColorMask( 0x000000ff, 0x0000ff00, 0x00ff0000 );
219 : #else
220 0 : pBuf->maColorMask = ColorMask( 0xff000000, 0x00ff0000, 0x0000ff00 );
221 : #endif
222 0 : break;
223 : case Format::THIRTYTWO_BIT_TC_MASK_RGBA:
224 0 : nBitCount = 32;
225 0 : pBuf->mnFormat = BMP_FORMAT_32BIT_TC_MASK;
226 : #ifdef OSL_BIGENDIAN
227 : pBuf->maColorMask = ColorMask( 0xff000000, 0x00ff0000, 0x0000ff00 );
228 : #else
229 0 : pBuf->maColorMask = ColorMask( 0x000000ff, 0x0000ff00, 0x00ff0000 );
230 : #endif
231 0 : break;
232 :
233 : default:
234 : // this is an error case !!!!!
235 0 : nBitCount = 1;
236 0 : pBuf->mnFormat = BMP_FORMAT_1BIT_MSB_PAL;
237 0 : break;
238 : }
239 3906 : if( m_aBitmap->isTopDown() )
240 0 : pBuf->mnFormat |= BMP_FORMAT_TOP_DOWN;
241 :
242 3906 : B2IVector aSize = m_aBitmap->getSize();
243 3906 : pBuf->mnWidth = aSize.getX();
244 3906 : pBuf->mnHeight = aSize.getY();
245 3906 : pBuf->mnScanlineSize = m_aBitmap->getScanlineStride();
246 3906 : pBuf->mnBitCount = nBitCount;
247 3906 : pBuf->mpBits = (sal_uInt8*)m_aBitmap->getBuffer().get();
248 3906 : if( nBitCount <= 8 )
249 : {
250 12485 : if( m_aBitmap->getScanlineFormat() == Format::EIGHT_BIT_GREY ||
251 2497 : m_aBitmap->getScanlineFormat() == Format::FOUR_BIT_LSB_GREY ||
252 2497 : m_aBitmap->getScanlineFormat() == Format::FOUR_BIT_MSB_GREY ||
253 2497 : m_aBitmap->getScanlineFormat() == Format::ONE_BIT_LSB_GREY ||
254 2497 : m_aBitmap->getScanlineFormat() == Format::ONE_BIT_MSB_GREY
255 : )
256 0 : pBuf->maPalette = Bitmap::GetGreyPalette( 1U << nBitCount );
257 : else
258 : {
259 2497 : basebmp::PaletteMemorySharedVector aPalette = m_aBitmap->getPalette();
260 2497 : if( aPalette.get() )
261 : {
262 2497 : unsigned int nColors = aPalette->size();
263 2497 : if( nColors > 0 )
264 : {
265 2497 : pBuf->maPalette.SetEntryCount( nColors );
266 563919 : for( unsigned int i = 0; i < nColors; i++ )
267 : {
268 561422 : const basebmp::Color& rCol = (*aPalette)[i];
269 561422 : pBuf->maPalette[i] = BitmapColor( rCol.getRed(), rCol.getGreen(), rCol.getBlue() );
270 : }
271 : }
272 2497 : }
273 : }
274 3906 : }
275 : }
276 :
277 3912 : return pBuf;
278 : }
279 :
280 3906 : void SvpSalBitmap::ReleaseBuffer( BitmapBuffer* pBuffer, bool bReadOnly )
281 : {
282 3906 : if( !bReadOnly && pBuffer->maPalette.GetEntryCount() )
283 : {
284 : // palette might have changed, clone device (but recycle
285 : // memory)
286 1144 : sal_uInt16 nBitCount = 0;
287 1144 : switch( m_aBitmap->getScanlineFormat() )
288 : {
289 : case Format::ONE_BIT_MSB_GREY:
290 : // FALLTHROUGH intended
291 : case Format::ONE_BIT_MSB_PAL:
292 : // FALLTHROUGH intended
293 : case Format::ONE_BIT_LSB_GREY:
294 : // FALLTHROUGH intended
295 : case Format::ONE_BIT_LSB_PAL:
296 174 : nBitCount = 1;
297 174 : break;
298 :
299 : case Format::FOUR_BIT_MSB_GREY:
300 : // FALLTHROUGH intended
301 : case Format::FOUR_BIT_MSB_PAL:
302 : // FALLTHROUGH intended
303 : case Format::FOUR_BIT_LSB_GREY:
304 : // FALLTHROUGH intended
305 : case Format::FOUR_BIT_LSB_PAL:
306 6 : nBitCount = 4;
307 6 : break;
308 :
309 : case Format::EIGHT_BIT_PAL:
310 : // FALLTHROUGH intended
311 : case Format::EIGHT_BIT_GREY:
312 964 : nBitCount = 8;
313 964 : break;
314 :
315 : default:
316 0 : break;
317 : }
318 :
319 1144 : if( nBitCount )
320 : {
321 1144 : sal_uInt32 nEntries = 1U << nBitCount;
322 :
323 : boost::shared_ptr< std::vector<basebmp::Color> > pPal(
324 : new std::vector<basebmp::Color>( nEntries,
325 1144 : basebmp::Color(COL_WHITE)));
326 : const sal_uInt32 nColors = std::min(
327 1144 : (sal_uInt32)pBuffer->maPalette.GetEntryCount(),
328 1144 : nEntries);
329 238566 : for( sal_uInt32 i = 0; i < nColors; i++ )
330 : {
331 237422 : const BitmapColor& rCol = pBuffer->maPalette[i];
332 237422 : (*pPal)[i] = basebmp::Color( rCol.GetRed(), rCol.GetGreen(), rCol.GetBlue() );
333 : }
334 :
335 : m_aBitmap = basebmp::createBitmapDevice( m_aBitmap->getSize(),
336 1144 : m_aBitmap->isTopDown(),
337 : m_aBitmap->getScanlineFormat(),
338 : m_aBitmap->getBuffer(),
339 2288 : pPal );
340 : }
341 : }
342 :
343 3906 : delete pBuffer;
344 3906 : }
345 :
346 0 : bool SvpSalBitmap::GetSystemData( BitmapSystemData& )
347 : {
348 0 : return false;
349 : }
350 :
351 :
352 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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