|
1 /* |
|
2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * |
|
16 */ |
|
17 |
|
18 #include "mifconv_mbmgenerator_bmtopbm.h" |
|
19 #include "mifconv_util.h" |
|
20 |
|
21 const TRgbQuad KNokiaBrandBlue = {0xcc,0x33,0,0}; |
|
22 const TRgbQuad KNokiaBrandGreen = {0x33,0x99,0,0}; |
|
23 const int KNokiaBrandBlueIndex = 254; |
|
24 const int KNokiaBrandGreenIndex = 253; |
|
25 |
|
26 const unsigned char ColorRemapTable[256] = |
|
27 { |
|
28 0xff, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
|
29 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, |
|
30 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, |
|
31 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, |
|
32 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, |
|
33 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, |
|
34 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, |
|
35 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, |
|
36 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, |
|
37 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, |
|
38 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, |
|
39 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, |
|
40 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, |
|
41 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0x00, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, |
|
42 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, |
|
43 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xd7 |
|
44 }; |
|
45 |
|
46 BitmapLoader::BitmapLoader(): |
|
47 iNumBmpColors(0), |
|
48 iBmpColors(NULL), |
|
49 iBmpBits(NULL), |
|
50 iAlphaBits(NULL) |
|
51 {} |
|
52 |
|
53 BitmapLoader::~BitmapLoader() |
|
54 { |
|
55 delete [] iBmpColors; |
|
56 delete [] iBmpBits; |
|
57 delete [] iAlphaBits; |
|
58 } |
|
59 |
|
60 int BitmapLoader::LoadBitmap(MifConvSourceFile& aFilename,int aBpp,TBitmapColor aColor,SEpocBitmapHeader*& aPbm) |
|
61 { |
|
62 iSourceFile = &aFilename; |
|
63 char sig[2]; |
|
64 |
|
65 fstream file(aFilename.Filename().c_str(), FILE_IN_BINARY_NOCREATE_FLAGS); |
|
66 |
|
67 if (file.is_open()==0) |
|
68 return Files; |
|
69 file.read(sig,2); |
|
70 file.close(); |
|
71 if (file.gcount()!=2) |
|
72 return SourceFile ; |
|
73 if (sig[0]!='B'||sig[1]!='M') |
|
74 return SourceFile; |
|
75 |
|
76 int ret = DoLoad(aFilename.Filename().c_str()); |
|
77 |
|
78 // If we have >8bit color BMP file and c8, change to c16 |
|
79 if( (aColor==EColorBitmap) && (aBpp==8) && |
|
80 (iBmpHeader.biBitCount>8) ) |
|
81 { |
|
82 // cout << "Note: " << aFilename.Filename() << " changed c8 -> c16" << "\n"; |
|
83 aBpp = 16; |
|
84 } |
|
85 if (!ret && aColor==EColorBitmapAlpha) |
|
86 { |
|
87 int filenameLen = aFilename.Filename().length(); |
|
88 MifConvString alphaFilename = ""; |
|
89 |
|
90 int dotPos = -1; |
|
91 for (int i = 0; i < filenameLen; ++i) |
|
92 if (aFilename.Filename()[i]=='.') |
|
93 dotPos=i; |
|
94 // Prefix length. |
|
95 int prefixLen = (dotPos>=0?dotPos:filenameLen); |
|
96 alphaFilename = aFilename.Filename().substr(0,prefixLen); |
|
97 alphaFilename += "-alpha"; |
|
98 if (dotPos>=0) |
|
99 alphaFilename += aFilename.Filename().substr(prefixLen,aFilename.Filename().length()); |
|
100 alphaFilename += '\0'; |
|
101 ret = DoLoadAlpha(alphaFilename); // overlay alpha data from separate file |
|
102 } |
|
103 if (!ret) |
|
104 ret = DoConvert(aBpp,aColor,aPbm); |
|
105 return ret; |
|
106 } |
|
107 |
|
108 int BitmapLoader::DoLoad(const char* aFileName) |
|
109 { |
|
110 |
|
111 fstream file(aFileName, FILE_IN_BINARY_NOCREATE_FLAGS); |
|
112 |
|
113 if (file.is_open()==0) |
|
114 return Files; |
|
115 TBitmapFileHeader bmpfile; |
|
116 long size=sizeof(TBitmapFileHeader); |
|
117 |
|
118 file.read((char *)&bmpfile,size); |
|
119 if (file.gcount()!=size) |
|
120 return SourceFile; |
|
121 size=sizeof(TBitmapInfoHeader); |
|
122 file.read((char *)&iBmpHeader,size); |
|
123 if (file.gcount()!=size) |
|
124 return SourceFile; |
|
125 if (iBmpHeader.biCompression != 0) |
|
126 { |
|
127 return UnknownCompression; |
|
128 } |
|
129 size=bmpfile.bfSize-sizeof(TBitmapInfoHeader)-sizeof(TBitmapFileHeader); |
|
130 long bitcount=iBmpHeader.biBitCount; |
|
131 long colors=iBmpHeader.biClrUsed; |
|
132 if (colors==0) |
|
133 { |
|
134 if (bitcount==24) |
|
135 iNumBmpColors=0; |
|
136 else if (bitcount==32) |
|
137 iNumBmpColors=0;//See MSDN - BITMAPFILEHEADER and BITMAPINFOHEADER structures. |
|
138 //If biCompression is 0 - we don't have TRgbQuad array! |
|
139 else |
|
140 iNumBmpColors=1<<bitcount; |
|
141 } |
|
142 else |
|
143 iNumBmpColors=colors; |
|
144 if (iNumBmpColors > 256) |
|
145 return SourceFile; |
|
146 if (iNumBmpColors>0) |
|
147 { |
|
148 iBmpColors = new TRgbQuad[iNumBmpColors]; |
|
149 if (iBmpColors == NULL) |
|
150 return NoMemory; |
|
151 memset(iBmpColors,0,iNumBmpColors*sizeof(TRgbQuad)); |
|
152 } |
|
153 size-=iNumBmpColors*sizeof(TRgbQuad); |
|
154 iBmpBits = new char[size]; |
|
155 if (iBmpBits == NULL) |
|
156 return NoMemory; |
|
157 memset(iBmpBits,0xff,size); |
|
158 |
|
159 if(iBmpColors != NULL) |
|
160 { |
|
161 file.read((char *)iBmpColors,iNumBmpColors*sizeof(TRgbQuad)); |
|
162 if (file.gcount()!=(int)(iNumBmpColors*sizeof(TRgbQuad))) |
|
163 return SourceFile; |
|
164 } |
|
165 file.read(iBmpBits,size); |
|
166 file.close(); |
|
167 if (file.gcount()!=size) |
|
168 return SourceFile; |
|
169 return NoError; |
|
170 } |
|
171 |
|
172 int BitmapLoader::DoLoadAlpha(MifConvString& aAlphaFileName) |
|
173 { |
|
174 |
|
175 fstream file(aAlphaFileName.c_str(), FILE_IN_BINARY_NOCREATE_FLAGS); |
|
176 |
|
177 if (file.is_open()==0) |
|
178 return AlphaFiles; |
|
179 TBitmapFileHeader alphaBmpfile; |
|
180 long size=sizeof(TBitmapFileHeader); |
|
181 file.read((char *)&alphaBmpfile,size); |
|
182 if (file.gcount()!=size) |
|
183 return SourceFile; |
|
184 size=sizeof(TBitmapInfoHeader); |
|
185 TBitmapInfoHeader alphaBmpInfo; |
|
186 file.read((char *)&alphaBmpInfo,size); |
|
187 if (file.gcount()!=size) |
|
188 return SourceFile; |
|
189 if (alphaBmpInfo.biCompression != 0) |
|
190 return UnknownCompression; |
|
191 if (alphaBmpInfo.biWidth != iBmpHeader.biWidth || alphaBmpInfo.biHeight != iBmpHeader.biHeight) |
|
192 return AlphaDimensions; |
|
193 if (alphaBmpInfo.biBitCount != 8) |
|
194 return AlphaBpp; |
|
195 size=alphaBmpfile.bfSize-sizeof(TBitmapInfoHeader)-sizeof(TBitmapFileHeader); |
|
196 long numBmpColors=alphaBmpInfo.biClrUsed; |
|
197 if (numBmpColors == 0) |
|
198 numBmpColors = 256; |
|
199 if (numBmpColors != 256) |
|
200 return SourceFile; |
|
201 size-=numBmpColors*sizeof(TRgbQuad); |
|
202 iAlphaBits = new char[size]; |
|
203 if (iAlphaBits == NULL) |
|
204 { |
|
205 return NoMemory; |
|
206 } |
|
207 memset(iAlphaBits,0xff,size); |
|
208 char* bmpColors = new char[numBmpColors*sizeof(TRgbQuad)]; |
|
209 file.read((char *)bmpColors,numBmpColors*sizeof(TRgbQuad)); |
|
210 delete [] bmpColors; // we aren't interested in the palette data for the 8bpp grayscale alpha bmp |
|
211 if (file.gcount()!=(int)(numBmpColors*sizeof(TRgbQuad))) |
|
212 return SourceFile; |
|
213 file.read(iAlphaBits,size); |
|
214 file.close(); |
|
215 if (file.gcount()!=size) |
|
216 return SourceFile; |
|
217 return NoError; |
|
218 } |
|
219 |
|
220 TRgb BitmapLoader::GetBmpPixel(long aXCoord,long aYCoord) |
|
221 { |
|
222 TRgb darkgray(128,128,128); |
|
223 TRgb darkgrayex(127,127,127); |
|
224 TRgb lightgray(192,192,192); |
|
225 TRgb lightgrayex(187,187,187); |
|
226 unsigned char col; |
|
227 TRgb color; |
|
228 |
|
229 switch(iBmpHeader.biBitCount) |
|
230 { |
|
231 case 1: |
|
232 col=iBmpBits[(iBmpHeader.biHeight-aYCoord-1)*(((iBmpHeader.biWidth+31)>>5)<<2)+(aXCoord>>3)]; |
|
233 col&=(0x80>>(aXCoord%8)); |
|
234 if (iBmpColors) |
|
235 { |
|
236 TRgbQuad rgbq; |
|
237 if (col) |
|
238 rgbq = iBmpColors[1]; |
|
239 else |
|
240 rgbq = iBmpColors[0]; |
|
241 color = TRgb(rgbq.iRed,rgbq.iGreen,rgbq.iBlue); |
|
242 } |
|
243 else |
|
244 { |
|
245 if (col) |
|
246 color = TRgb(0x00ffffff); |
|
247 else |
|
248 color = TRgb(0); |
|
249 } |
|
250 break; |
|
251 case 4: |
|
252 col=iBmpBits[(iBmpHeader.biHeight-aYCoord-1)*(((iBmpHeader.biWidth+7)>>3)<<2)+(aXCoord>>1)]; |
|
253 if (aXCoord%2==0) |
|
254 col=(unsigned char)(col>>4); |
|
255 col&=0x0f; |
|
256 if (iBmpColors) |
|
257 { |
|
258 TRgbQuad rgbq = iBmpColors[col]; |
|
259 color = TRgb(rgbq.iRed,rgbq.iGreen,rgbq.iBlue); |
|
260 } |
|
261 else |
|
262 { |
|
263 col *= 17; |
|
264 color = TRgb(col,col,col); |
|
265 } |
|
266 break; |
|
267 case 8: |
|
268 col=iBmpBits[(iBmpHeader.biHeight-aYCoord-1)*((iBmpHeader.biWidth+3)&~3)+aXCoord]; |
|
269 if (iBmpColors) |
|
270 { |
|
271 TRgbQuad rgbq = iBmpColors[col]; |
|
272 color = TRgb(rgbq.iRed,rgbq.iGreen,rgbq.iBlue); |
|
273 } |
|
274 else |
|
275 color = TRgb(col,col,col); |
|
276 break; |
|
277 case 16: |
|
278 { |
|
279 unsigned short int* wordptr = (unsigned short int*)&iBmpBits[(iBmpHeader.biHeight-aYCoord-1)*(((iBmpHeader.biWidth+1)&~1)<<1)+(aXCoord<<1)]; |
|
280 color = TRgb((*wordptr&0x7c)>>10,(*wordptr&0x3e)>>5,(*wordptr&0x1f)); |
|
281 } |
|
282 break; |
|
283 case 24: |
|
284 { |
|
285 TRgbTriple rgbcol = *((TRgbTriple *)&(iBmpBits[(iBmpHeader.biHeight-aYCoord-1)*((3*iBmpHeader.biWidth+3)&~3)+aXCoord+(aXCoord<<1)])); |
|
286 color = TRgb(rgbcol.rgbtRed,rgbcol.rgbtGreen,rgbcol.rgbtBlue); |
|
287 } |
|
288 break; |
|
289 case 32: |
|
290 { |
|
291 unsigned long int* dwordptr = (unsigned long int*)&iBmpBits[(iBmpHeader.biHeight-aYCoord-1)*((iBmpHeader.biWidth)<<2)+(aXCoord<<2)]; |
|
292 color = TRgb((*dwordptr&0xff0000)>>16,(*dwordptr&0xff00)>>8,*dwordptr&0xff); |
|
293 } |
|
294 break; |
|
295 default: |
|
296 break; |
|
297 } |
|
298 if (color == darkgray) |
|
299 color = darkgrayex; |
|
300 else if (color == lightgray) |
|
301 color = lightgrayex; |
|
302 return color; |
|
303 } |
|
304 |
|
305 unsigned char BitmapLoader::GetAlphaPixel(long aXCoord,long aYCoord) |
|
306 { |
|
307 return iAlphaBits[(iBmpHeader.biHeight-aYCoord-1)*((iBmpHeader.biWidth+3)&~3)+aXCoord]; |
|
308 } |
|
309 |
|
310 int BitmapLoader::DoConvert(int aBpp,TBitmapColor aColor,SEpocBitmapHeader*& aPbm) |
|
311 { |
|
312 bool useAlpha = (aColor==EColorBitmapAlpha); |
|
313 long desttwipswidth = 0; |
|
314 long desttwipsheight = 0; |
|
315 |
|
316 long bytewidth = MifConvUtil::ByteWidth(iBmpHeader.biWidth,aBpp); |
|
317 long destlength = iBmpHeader.biHeight * bytewidth; |
|
318 |
|
319 if (iBmpHeader.biXPelsPerMeter>0) |
|
320 desttwipswidth = iBmpHeader.biWidth*1440000/254/iBmpHeader.biXPelsPerMeter; |
|
321 if (iBmpHeader.biYPelsPerMeter>0) |
|
322 desttwipsheight = iBmpHeader.biHeight*1440000/254/iBmpHeader.biYPelsPerMeter; |
|
323 |
|
324 aPbm = (SEpocBitmapHeader*)new char[sizeof(SEpocBitmapHeader) + destlength]; |
|
325 if (aPbm == NULL) |
|
326 return NoMemory; |
|
327 memset(aPbm,0,sizeof(SEpocBitmapHeader)); |
|
328 |
|
329 // aBitmap->iByteWidth = bytewidth; |
|
330 // aBitmap->iDataOffset = sizeof(Bitmap); |
|
331 |
|
332 aPbm->iBitmapSize = sizeof(SEpocBitmapHeader) + destlength; |
|
333 aPbm->iStructSize = sizeof(SEpocBitmapHeader); |
|
334 aPbm->iWidthInPixels = iBmpHeader.biWidth; |
|
335 aPbm->iHeightInPixels = iBmpHeader.biHeight; |
|
336 aPbm->iWidthInTwips = desttwipswidth; |
|
337 aPbm->iHeightInTwips = desttwipsheight; |
|
338 aPbm->iBitsPerPixel = aBpp; |
|
339 aPbm->iColor = aColor; |
|
340 aPbm->iPaletteEntries = 0; |
|
341 aPbm->iCompression = ENoBitmapCompression; |
|
342 |
|
343 char* pbmBits = ((char*)aPbm) + sizeof(SEpocBitmapHeader); |
|
344 memset(pbmBits,0xff,destlength); |
|
345 |
|
346 long col = 0; |
|
347 char* pixadd = 0; |
|
348 bool indicesOnly = false; |
|
349 if (aColor == EColorBitmap && aBpp == 8) |
|
350 { |
|
351 indicesOnly = |
|
352 (iNumBmpColors==256 && |
|
353 iBmpColors[KNokiaBrandGreenIndex].iRed == KNokiaBrandGreen.iRed && |
|
354 iBmpColors[KNokiaBrandGreenIndex].iBlue == KNokiaBrandGreen.iBlue && |
|
355 iBmpColors[KNokiaBrandGreenIndex].iGreen == KNokiaBrandGreen.iGreen && |
|
356 iBmpColors[KNokiaBrandBlueIndex].iRed == KNokiaBrandBlue.iRed && |
|
357 iBmpColors[KNokiaBrandBlueIndex].iBlue == KNokiaBrandBlue.iBlue && |
|
358 iBmpColors[KNokiaBrandBlueIndex].iGreen == KNokiaBrandBlue.iGreen); |
|
359 } |
|
360 |
|
361 switch(aBpp) |
|
362 { |
|
363 case 1: |
|
364 { |
|
365 for(long ycrd=0;ycrd<iBmpHeader.biHeight;ycrd++) |
|
366 for(long xcrd=0;xcrd<iBmpHeader.biWidth;xcrd++) |
|
367 { |
|
368 TRgb color=GetBmpPixel(xcrd,ycrd); |
|
369 col=color.Gray2(); |
|
370 pixadd=&(pbmBits[ycrd*bytewidth+(xcrd>>3)]); |
|
371 (*pixadd)&=~(1<<((xcrd&7))); |
|
372 (*pixadd)|=(unsigned char)(col<<(xcrd&7)); |
|
373 } |
|
374 } |
|
375 break; |
|
376 case 2: |
|
377 { |
|
378 for(long ycrd=0;ycrd<iBmpHeader.biHeight;ycrd++) |
|
379 for(long xcrd=0;xcrd<iBmpHeader.biWidth;xcrd++) |
|
380 { |
|
381 TRgb color=GetBmpPixel(xcrd,ycrd); |
|
382 col=color.Gray4(); |
|
383 pixadd=&(pbmBits[ycrd*bytewidth+(xcrd>>2)]); |
|
384 (*pixadd)&=~(0x3<<(2*(xcrd%4))); |
|
385 (*pixadd)|=(unsigned char)(col<<(2*(xcrd%4))); |
|
386 } |
|
387 } |
|
388 break; |
|
389 case 4: |
|
390 { |
|
391 for(long ycrd=0;ycrd<iBmpHeader.biHeight;ycrd++) |
|
392 for(long xcrd=0;xcrd<iBmpHeader.biWidth;xcrd++) |
|
393 { |
|
394 TRgb color=GetBmpPixel(xcrd,ycrd); |
|
395 if (aColor == EMonochromeBitmap) |
|
396 col = color.Gray16(); |
|
397 else |
|
398 col = color.Color16(); |
|
399 pixadd=&(pbmBits[ycrd*bytewidth+(xcrd>>1)]); |
|
400 if (xcrd%2!=0) |
|
401 *pixadd=(unsigned char)((unsigned char)((col<<4)|(*pixadd&0x0f))); |
|
402 else |
|
403 *pixadd=(unsigned char)((unsigned char)(col|(*pixadd&0xf0))); |
|
404 } |
|
405 } |
|
406 break; |
|
407 case 8: |
|
408 { |
|
409 for(long ycrd=0;ycrd<iBmpHeader.biHeight;ycrd++) |
|
410 for(long xcrd=0;xcrd<iBmpHeader.biWidth;xcrd++) |
|
411 { |
|
412 if (indicesOnly) |
|
413 { |
|
414 unsigned char pixel = iBmpBits[(iBmpHeader.biHeight-ycrd-1)*((iBmpHeader.biWidth+3)&~3)+xcrd]; |
|
415 col = ColorRemapTable[pixel]; |
|
416 iSourceFile->SetCompileInfo(MifConvSourceFile::ENokiaBitmap); |
|
417 } |
|
418 else |
|
419 { |
|
420 TRgb color=GetBmpPixel(xcrd,ycrd); |
|
421 if (aColor == EMonochromeBitmap) |
|
422 col = color.Gray256(); |
|
423 else |
|
424 col = color.Color256(); |
|
425 iSourceFile->SetCompileInfo(MifConvSourceFile::EThirdPartyBitmap); |
|
426 } |
|
427 pixadd=&(pbmBits[ycrd*((iBmpHeader.biWidth+3)&~3)+xcrd]); |
|
428 *pixadd=(unsigned char)col; |
|
429 } |
|
430 } |
|
431 break; |
|
432 case 12: |
|
433 { |
|
434 for(long ycrd=0;ycrd<iBmpHeader.biHeight;ycrd++) |
|
435 for(long xcrd=0;xcrd<iBmpHeader.biWidth;xcrd++) |
|
436 { |
|
437 TRgb color=GetBmpPixel(xcrd,ycrd); |
|
438 col=color.Color4K(); |
|
439 pixadd=&(pbmBits[ycrd*bytewidth+(xcrd<<1)]); |
|
440 unsigned short* wordadd=(unsigned short*)pixadd; |
|
441 *wordadd=(unsigned short)col; |
|
442 } |
|
443 } |
|
444 break; |
|
445 case 16: |
|
446 { |
|
447 for(long ycrd=0;ycrd<iBmpHeader.biHeight;ycrd++) |
|
448 for(long xcrd=0;xcrd<iBmpHeader.biWidth;xcrd++) |
|
449 { |
|
450 TRgb color=GetBmpPixel(xcrd,ycrd); |
|
451 col=color.Color64K(); |
|
452 pixadd=&(pbmBits[ycrd*bytewidth+(xcrd<<1)]); |
|
453 unsigned short* wordadd=(unsigned short*)pixadd; |
|
454 *wordadd=(unsigned short)col; |
|
455 } |
|
456 } |
|
457 break; |
|
458 case 24: |
|
459 { |
|
460 for(long ycrd=0;ycrd<iBmpHeader.biHeight;ycrd++) |
|
461 { |
|
462 unsigned char* bytePtr = (unsigned char*)&pbmBits[ycrd*bytewidth]; |
|
463 for(long xcrd=0;xcrd<iBmpHeader.biWidth;xcrd++) |
|
464 { |
|
465 TRgb col = GetBmpPixel(xcrd,ycrd); |
|
466 *bytePtr++ = (unsigned char) col.iBlue; |
|
467 *bytePtr++ = (unsigned char) col.iGreen; |
|
468 *bytePtr++ = (unsigned char) col.iRed; |
|
469 } |
|
470 } |
|
471 } |
|
472 break; |
|
473 case 32: |
|
474 { |
|
475 for(long ycrd=0;ycrd<iBmpHeader.biHeight;ycrd++) |
|
476 { |
|
477 unsigned char* bytePtr = (unsigned char*)&pbmBits[ycrd*bytewidth]; |
|
478 for(long xcrd=0;xcrd<iBmpHeader.biWidth;xcrd++) |
|
479 { |
|
480 TRgb col = GetBmpPixel(xcrd,ycrd); |
|
481 unsigned char alpha = useAlpha?GetAlphaPixel(xcrd,ycrd):(unsigned char)0; |
|
482 *bytePtr++ = (unsigned char) col.iBlue; |
|
483 *bytePtr++ = (unsigned char) col.iGreen; |
|
484 *bytePtr++ = (unsigned char) col.iRed; |
|
485 *bytePtr++ = alpha; |
|
486 } |
|
487 } |
|
488 } |
|
489 break; |
|
490 }; |
|
491 |
|
492 return NoError; |
|
493 } |
|
494 |