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1 #include "grpapi.h"\r
2 #include "../LoadStorm/storm.h"\r
3 #include <malloc.h>\r
4 \r
5 #ifdef GRPAPI_STATIC\r
6 #define DllMain GrpMain\r
7 \r
8 #include "grp_static.h"\r
9 \r
10 struct GRPLIBMODULE {\r
11 GRPLIBMODULE();\r
12 ~GRPLIBMODULE();\r
13 } GrpLib;\r
14 \r
15 BOOL APIENTRY DllMain(HINSTANCE hInstDLL, DWORD ul_reason_for_call, LPVOID lpReserved);\r
16 \r
17 GRPLIBMODULE::GRPLIBMODULE()\r
18 {\r
19 GrpMain(0,DLL_PROCESS_ATTACH,0);\r
20 }\r
21 \r
22 GRPLIBMODULE::~GRPLIBMODULE()\r
23 {\r
24 GrpMain(0,DLL_PROCESS_DETACH,0);\r
25 }\r
26 \r
27 #endif\r
28 \r
29 typedef struct {\r
30 BYTE Left;\r
31 BYTE Top;\r
32 BYTE Width;\r
33 BYTE Height;\r
34 DWORD Offset;\r
35 } FRAMEHEADER;\r
36 \r
37 typedef struct {\r
38 WORD *lpRowOffsets;\r
39 WORD *lpRowSizes;\r
40 LPBYTE *lpRowData;\r
41 DWORD Size;\r
42 } FRAMEDATA;\r
43 \r
44 GETPIXELPROC MyGetPixel = GetPixel;\r
45 SETPIXELPROC MySetPixel = (SETPIXELPROC)SetPixelV;\r
46 \r
47 void __inline SetPix(HDC hDC, int X, int Y, COLORREF clrColor, DWORD *dwPalette, DWORD dwFlags, DWORD dwAlpha);\r
48 void EncodeFrameData(signed short *lpImageData, WORD nFrame, GRPHEADER *lpGrpHeader, FRAMEHEADER *lpFrameHeader, FRAMEDATA *lpFrameData, BOOL bNoCompress);\r
49 BOOL VerifyRow(signed short *lpRawRow, int nWidth, LPBYTE lpEncRow, int nSize, BOOL bNoCompress);\r
50 \r
51 extern HINSTANCE hStorm;\r
52 \r
53 BOOL APIENTRY DllMain( HINSTANCE hInstDLL, \r
54 DWORD ul_reason_for_call, \r
55 LPVOID lpReserved\r
56 )\r
57 {\r
58 switch (ul_reason_for_call)\r
59 {\r
60 case DLL_PROCESS_ATTACH:\r
61 break;\r
62 case DLL_THREAD_ATTACH:\r
63 break;\r
64 case DLL_THREAD_DETACH:\r
65 break;\r
66 case DLL_PROCESS_DETACH:\r
67 break;\r
68 }\r
69 \r
70 return TRUE;\r
71 }\r
72 \r
73 BOOL GRPAPI WINAPI LoadGrpApi()\r
74 {\r
75 if (!hStorm) return FALSE;\r
76 else return TRUE;\r
77 }\r
78 \r
79 void GRPAPI WINAPI FreeGrpApi()\r
80 {\r
81 }\r
82 \r
83 /*\r
84 HANDLE hProcessHeap = NULL;\r
85 \r
86 void * SFAlloc(size_t nSize)\r
87 {\r
88 if (!hProcessHeap) hProcessHeap = GetProcessHeap();\r
89 if (hProcessHeap) return HeapAlloc(hProcessHeap, 0, nSize);\r
90 else return NULL;\r
91 }\r
92 \r
93 void SFFree(void *lpMem)\r
94 {\r
95 if (!hProcessHeap) hProcessHeap = GetProcessHeap();\r
96 if (hProcessHeap) HeapFree(hProcessHeap, 0, lpMem);\r
97 }\r
98 */\r
99 \r
100 BOOL GRPAPI WINAPI SetMpqDll(LPCSTR lpDllFileName)\r
101 {\r
102 if (LoadStorm((char *)lpDllFileName)) return TRUE;\r
103 else return FALSE;\r
104 }\r
105 \r
106 BOOL GRPAPI WINAPI LoadPalette(LPCSTR lpFileName, DWORD *dwPaletteBuffer)\r
107 {\r
108 if (!lpFileName || !dwPaletteBuffer) return FALSE;\r
109 HANDLE hFile;\r
110 if (SFileOpenFileEx && SFileGetFileSize\r
111 && SFileSetFilePointer && SFileReadFile\r
112 && SFileCloseFile) {\r
113 if (!SFileOpenFileEx(0,lpFileName,1,&hFile)) return FALSE;\r
114 DWORD fsz = SFileGetFileSize(hFile,0);\r
115 SFileSetFilePointer(hFile,0,0,FILE_BEGIN);\r
116 if (fsz>=1024) {\r
117 memset(dwPaletteBuffer,0,1024);\r
118 SFileReadFile(hFile,dwPaletteBuffer,1024,0,0);\r
119 }\r
120 else if (fsz==768) {\r
121 char *buffer = (char *)_alloca(768);\r
122 memset(buffer,0,768);\r
123 SFileReadFile(hFile,buffer,768,0,0);\r
124 for (DWORD i=0;i<256;i++) {\r
125 memcpy(&dwPaletteBuffer[i],buffer+i*3,3);\r
126 *(((char *)&dwPaletteBuffer[i])+3) = 0;\r
127 }\r
128 }\r
129 else {\r
130 memset(dwPaletteBuffer,0,1024);\r
131 SFileReadFile(hFile,dwPaletteBuffer,fsz,0,0);\r
132 }\r
133 SFileCloseFile(hFile);\r
134 }\r
135 else {\r
136 hFile = CreateFile(lpFileName,GENERIC_READ,FILE_SHARE_READ,0,OPEN_EXISTING,0,0);\r
137 if (hFile==INVALID_HANDLE_VALUE) return FALSE;\r
138 DWORD fsz = GetFileSize(hFile,0),tsz;\r
139 SetFilePointer(hFile,0,0,FILE_BEGIN);\r
140 if (fsz>=1024) {\r
141 memset(dwPaletteBuffer,0,1024);\r
142 ReadFile(hFile,dwPaletteBuffer,1024,&tsz,0);\r
143 }\r
144 else if (fsz==768) {\r
145 char *buffer = (char *)_alloca(768);\r
146 memset(buffer,0,768);\r
147 ReadFile(hFile,buffer,768,&tsz,0);\r
148 for (DWORD i=0;i<256;i++) {\r
149 memcpy(&dwPaletteBuffer[i],buffer+i*3,3);\r
150 *(((char *)&dwPaletteBuffer[i])+3) = 0;\r
151 }\r
152 }\r
153 else {\r
154 memset(dwPaletteBuffer,0,1024);\r
155 ReadFile(hFile,dwPaletteBuffer,fsz,&tsz,0);\r
156 }\r
157 CloseHandle(hFile);\r
158 }\r
159 return TRUE;\r
160 }\r
161 \r
162 HANDLE GRPAPI WINAPI LoadGrp(LPCSTR lpFileName)\r
163 {\r
164 if (!lpFileName) return (HANDLE)-1;\r
165 HANDLE hFile;\r
166 char *GrpFile;\r
167 if (SFileOpenFileEx && SFileGetFileSize\r
168 && SFileSetFilePointer && SFileReadFile\r
169 && SFileCloseFile) {\r
170 if (!SFileOpenFileEx(0,lpFileName,1,&hFile)) return (HANDLE)-1;\r
171 DWORD fsz = SFileGetFileSize(hFile,0);\r
172 if (fsz<6) {\r
173 SFileCloseFile(hFile);\r
174 return (HANDLE)-1;\r
175 }\r
176 GrpFile = (char *)malloc(fsz);\r
177 if (GrpFile) {\r
178 SFileSetFilePointer(hFile,0,0,FILE_BEGIN);\r
179 SFileReadFile(hFile,GrpFile,fsz,0,0);\r
180 }\r
181 else GrpFile=(char *)-1;\r
182 SFileCloseFile(hFile);\r
183 }\r
184 else {\r
185 hFile = CreateFile(lpFileName,GENERIC_READ,FILE_SHARE_READ,0,OPEN_EXISTING,0,0);\r
186 if (hFile==INVALID_HANDLE_VALUE) return (HANDLE)-1;\r
187 DWORD fsz = GetFileSize(hFile,0),tsz;\r
188 if (fsz<6) {\r
189 CloseHandle(hFile);\r
190 return (HANDLE)-1;\r
191 }\r
192 GrpFile = (char *)malloc(fsz);\r
193 if (GrpFile) {\r
194 SetFilePointer(hFile,0,0,FILE_BEGIN);\r
195 ReadFile(hFile,GrpFile,fsz,&tsz,0);\r
196 }\r
197 else GrpFile=(char *)-1;\r
198 CloseHandle(hFile);\r
199 }\r
200 return (HANDLE)GrpFile;\r
201 }\r
202 \r
203 BOOL GRPAPI WINAPI DestroyGrp(HANDLE hGrp)\r
204 {\r
205 if (!hGrp || hGrp==INVALID_HANDLE_VALUE) return FALSE;\r
206 free(hGrp);\r
207 return TRUE;\r
208 }\r
209 \r
210 BOOL GRPAPI WINAPI DrawGrp(HANDLE hGrp, HDC hdcDest, int nXDest, int nYDest, WORD nFrame, DWORD *dwPalette, DWORD dwFlags, DWORD dwAlpha)\r
211 {\r
212 if (!hGrp || hGrp==INVALID_HANDLE_VALUE || hdcDest==0 || (!dwPalette && !(dwFlags&USE_INDEX))) return FALSE;\r
213 GRPHEADER *GrpFile = (GRPHEADER *)hGrp;\r
214 nFrame %= GrpFile->nFrames;\r
215 FRAMEHEADER *GrpFrame = &((FRAMEHEADER *)(((char *)GrpFile)+6))[nFrame];\r
216 FRAMEHEADER *GrpFrames = &((FRAMEHEADER *)(((char *)GrpFile)+6))[0];\r
217 int FrameSize = 0xFFFFFF;\r
218 DWORD Right,Bottom;\r
219 if (dwFlags&HORIZONTAL_FLIP) Right = nXDest+GrpFile->wMaxWidth-1-GrpFrame->Left;\r
220 if (dwFlags&VERTICAL_FLIP) Bottom = nYDest+GrpFile->wMaxHeight-1-GrpFrame->Top;\r
221 nXDest += GrpFrame->Left;\r
222 nYDest += GrpFrame->Top;\r
223 WORD *GrpOffsets = ((WORD *)(((char *)GrpFile)+GrpFrame->Offset));\r
224 BYTE *GrpRaw = (BYTE *)GrpOffsets;\r
225 BYTE *RowData;\r
226 WORD x,ofs;\r
227 DWORD y, nMaxOffset = 0;\r
228 WORD i;\r
229 int j, nFirstNonBlankFrame = 0;\r
230 for (i = 0; i < GrpFile->nFrames; i++) {\r
231 j = GrpFrames[i].Offset - GrpFrame->Offset;\r
232 if (j > 0 && j < FrameSize)\r
233 FrameSize = j;\r
234 if (GrpFrames[i].Offset > nMaxOffset)\r
235 nMaxOffset = GrpFrames[i].Offset;\r
236 }\r
237 if (FrameSize == 0xFFFFFF || FrameSize == GrpFrame->Width * GrpFrame->Height) {\r
238 FrameSize = 0xFFFFFF;\r
239 for (i = 0; i < GrpFile->nFrames; i++) {\r
240 if (GrpFrames[i].Width != 0 && GrpFrames[i].Height != 0 && GrpFrames[i].Offset != GrpFrame->Offset && GrpFrames[i].Offset != nMaxOffset) {\r
241 nFirstNonBlankFrame = i;\r
242 break;\r
243 }\r
244 }\r
245 if (i == GrpFile->nFrames)\r
246 nFirstNonBlankFrame = nFrame;\r
247 \r
248 for (i = 0; i < GrpFile->nFrames; i++) {\r
249 j = GrpFrames[i].Offset - GrpFrames[nFirstNonBlankFrame].Offset;\r
250 if (j > 0 && j < FrameSize)\r
251 FrameSize = j;\r
252 }\r
253 if (FrameSize == GrpFrames[nFirstNonBlankFrame].Width * GrpFrames[nFirstNonBlankFrame].Height)\r
254 FrameSize = GrpFrame->Width * GrpFrame->Height;\r
255 }\r
256 if (!(dwFlags&HORIZONTAL_FLIP) && !(dwFlags&VERTICAL_FLIP)) {\r
257 if (FrameSize != GrpFrame->Width * GrpFrame->Height) {\r
258 for (y=0;y<GrpFrame->Height;y++) {\r
259 RowData = ((BYTE *)(((char *)GrpOffsets)+GrpOffsets[y]));\r
260 x=0; ofs=0;\r
261 while (x<GrpFrame->Width) {\r
262 if (!(RowData[ofs] & 0x80)) {\r
263 if (!(RowData[ofs] & 0x40)) {\r
264 for (i=1;i<=RowData[ofs] && x<GrpFrame->Width;i++) {\r
265 SetPix(hdcDest,nXDest+x,nYDest+y,RowData[ofs+i],dwPalette,dwFlags,dwAlpha);\r
266 x++;\r
267 }\r
268 ofs+=RowData[ofs]+1;\r
269 }\r
270 else {\r
271 for (i=0;i<RowData[ofs]-64 && x<GrpFrame->Width;i++) {\r
272 SetPix(hdcDest,nXDest+x,nYDest+y,RowData[ofs+1],dwPalette,dwFlags,dwAlpha);\r
273 x++;\r
274 }\r
275 ofs+=2;\r
276 }\r
277 }\r
278 else {\r
279 x+=RowData[ofs]-128;\r
280 ofs++;\r
281 }\r
282 }\r
283 }\r
284 }\r
285 else {\r
286 for (y=0;y<GrpFrame->Height;y++) {\r
287 for (x=0;x<GrpFrame->Width;x++) {\r
288 SetPix(hdcDest,nXDest+x,nYDest+y,GrpRaw[y * GrpFrame->Width + x],dwPalette,dwFlags,dwAlpha);\r
289 }\r
290 }\r
291 }\r
292 }\r
293 else if (dwFlags&HORIZONTAL_FLIP && !(dwFlags&VERTICAL_FLIP)) {\r
294 if (FrameSize != GrpFrame->Width * GrpFrame->Height) {\r
295 for (y=0;y<GrpFrame->Height;y++) {\r
296 RowData = ((BYTE *)(((char *)GrpOffsets)+GrpOffsets[y]));\r
297 x=0; ofs=0;\r
298 while (x<GrpFrame->Width) {\r
299 if (!(RowData[ofs] & 0x80)) {\r
300 if (!(RowData[ofs] & 0x40)) {\r
301 for (i=1;i<=RowData[ofs] && x<GrpFrame->Width;i++) {\r
302 SetPix(hdcDest,Right-x,nYDest+y,RowData[ofs+i],dwPalette,dwFlags,dwAlpha);\r
303 x++;\r
304 }\r
305 ofs+=RowData[ofs]+1;\r
306 }\r
307 else {\r
308 for (i=0;i<RowData[ofs]-64 && x<GrpFrame->Width;i++) {\r
309 SetPix(hdcDest,Right-x,nYDest+y,RowData[ofs+1],dwPalette,dwFlags,dwAlpha);\r
310 x++;\r
311 }\r
312 ofs+=2;\r
313 }\r
314 }\r
315 else {\r
316 x+=RowData[ofs]-128;\r
317 ofs++;\r
318 }\r
319 }\r
320 }\r
321 }\r
322 else {\r
323 for (y=0;y<GrpFrame->Height;y++) {\r
324 for (x=0;x<GrpFrame->Width;x++) {\r
325 SetPix(hdcDest,Right-x,nYDest+y,GrpRaw[y * GrpFrame->Width + x],dwPalette,dwFlags,dwAlpha);\r
326 }\r
327 }\r
328 }\r
329 }\r
330 else if (!(dwFlags&HORIZONTAL_FLIP) && dwFlags&VERTICAL_FLIP) {\r
331 if (FrameSize != GrpFrame->Width * GrpFrame->Height) {\r
332 for (y=0;y<GrpFrame->Height;y++) {\r
333 RowData = ((BYTE *)(((char *)GrpOffsets)+GrpOffsets[y]));\r
334 x=0; ofs=0;\r
335 while (x<GrpFrame->Width) {\r
336 if (!(RowData[ofs] & 0x80)) {\r
337 if (!(RowData[ofs] & 0x40)) {\r
338 for (i=1;i<=RowData[ofs] && x<GrpFrame->Width;i++) {\r
339 SetPix(hdcDest,nXDest+x,Bottom-y,RowData[ofs+i],dwPalette,dwFlags,dwAlpha);\r
340 x++;\r
341 }\r
342 ofs+=RowData[ofs]+1;\r
343 }\r
344 else {\r
345 for (i=0;i<RowData[ofs]-64 && x<GrpFrame->Width;i++) {\r
346 SetPix(hdcDest,nXDest+x,Bottom-y,RowData[ofs+1],dwPalette,dwFlags,dwAlpha);\r
347 x++;\r
348 }\r
349 ofs+=2;\r
350 }\r
351 }\r
352 else {\r
353 x+=RowData[ofs]-128;\r
354 ofs++;\r
355 }\r
356 }\r
357 }\r
358 }\r
359 else {\r
360 for (y=0;y<GrpFrame->Height;y++) {\r
361 for (x=0;x<GrpFrame->Width;x++) {\r
362 SetPix(hdcDest,nXDest+x,Bottom-y,GrpRaw[y * GrpFrame->Width + x],dwPalette,dwFlags,dwAlpha);\r
363 }\r
364 }\r
365 }\r
366 }\r
367 else {\r
368 if (FrameSize != GrpFrame->Width * GrpFrame->Height) {\r
369 for (y=0;y<GrpFrame->Height;y++) {\r
370 RowData = ((BYTE *)(((char *)GrpOffsets)+GrpOffsets[y]));\r
371 x=0; ofs=0;\r
372 while (x<GrpFrame->Width) {\r
373 if (!(RowData[ofs] & 0x80)) {\r
374 if (!(RowData[ofs] & 0x40)) {\r
375 for (i=1;i<=RowData[ofs] && x<GrpFrame->Width;i++) {\r
376 SetPix(hdcDest,Right-x,Bottom-y,RowData[ofs+i],dwPalette,dwFlags,dwAlpha);\r
377 x++;\r
378 }\r
379 ofs+=RowData[ofs]+1;\r
380 }\r
381 else {\r
382 for (i=0;i<RowData[ofs]-64 && x<GrpFrame->Width;i++) {\r
383 SetPix(hdcDest,Right-x,Bottom-y,RowData[ofs+1],dwPalette,dwFlags,dwAlpha);\r
384 x++;\r
385 }\r
386 ofs+=2;\r
387 }\r
388 }\r
389 else {\r
390 x+=RowData[ofs]-128;\r
391 ofs++;\r
392 }\r
393 }\r
394 }\r
395 }\r
396 else {\r
397 for (y=0;y<GrpFrame->Height;y++) {\r
398 for (x=0;x<GrpFrame->Width;x++) {\r
399 SetPix(hdcDest,Right-x,Bottom-y,GrpRaw[y * GrpFrame->Width + x],dwPalette,dwFlags,dwAlpha);\r
400 }\r
401 }\r
402 }\r
403 }\r
404 return TRUE;\r
405 }\r
406 \r
407 BOOL GRPAPI WINAPI GetGrpInfo(HANDLE hGrp, GRPHEADER *GrpInfo)\r
408 {\r
409 if (!hGrp || hGrp==INVALID_HANDLE_VALUE || !GrpInfo) return FALSE;\r
410 memcpy(GrpInfo,hGrp,6);\r
411 return TRUE;\r
412 }\r
413 \r
414 BOOL GRPAPI WINAPI GetGrpFrameInfo(HANDLE hGrp, WORD nFrame, DWORD *nLeft, DWORD *nTop, DWORD *nWidth, DWORD *nHeight)\r
415 {\r
416 if (!hGrp || hGrp==INVALID_HANDLE_VALUE) return FALSE;\r
417 FRAMEHEADER *GrpFrame = &((FRAMEHEADER *)(((char *)hGrp)+6))[nFrame];\r
418 \r
419 if (nLeft) *nLeft = GrpFrame->Left;\r
420 if (nTop) *nTop = GrpFrame->Top;\r
421 if (nWidth) *nWidth = GrpFrame->Width;\r
422 if (nHeight) *nHeight = GrpFrame->Height;\r
423 \r
424 return TRUE;\r
425 }\r
426 \r
427 void GRPAPI WINAPI SetFunctionGetPixel(GETPIXELPROC lpGetPixelProc)\r
428 {\r
429 if (!lpGetPixelProc)\r
430 MyGetPixel = GetPixel;\r
431 else\r
432 MyGetPixel = lpGetPixelProc;\r
433 }\r
434 \r
435 void GRPAPI WINAPI SetFunctionSetPixel(SETPIXELPROC lpSetPixelProc)\r
436 {\r
437 if (!lpSetPixelProc)\r
438 MySetPixel = (SETPIXELPROC)SetPixelV;\r
439 else\r
440 MySetPixel = lpSetPixelProc;\r
441 }\r
442 \r
443 void __inline SetPix(HDC hDC, int X, int Y, COLORREF clrColor, DWORD *dwPalette, DWORD dwFlags, DWORD dwAlpha)\r
444 {\r
445 if (!(dwFlags&USE_INDEX)) {\r
446 if (dwFlags&SHADOW_COLOR) {\r
447 clrColor = (dwFlags >> 8) & 0x00FFFFFF;\r
448 }\r
449 else {\r
450 clrColor = dwPalette[clrColor];\r
451 }\r
452 if (dwFlags&ALPHA_BLEND) {\r
453 DWORD dwColor = MyGetPixel(hDC,X,Y);\r
454 \r
455 // Old alpha\r
456 /*((BYTE *)&dwColor)[0]*=1-((float)((BYTE *)&dwAlpha)[0]/256);\r
457 ((BYTE *)&dwColor)[1]*=1-((float)((BYTE *)&dwAlpha)[1]/256);\r
458 ((BYTE *)&dwColor)[2]*=1-((float)((BYTE *)&dwAlpha)[2]/256);\r
459 ((BYTE *)&clrColor)[0]*=(float)((BYTE *)&dwAlpha)[0]/256;\r
460 ((BYTE *)&clrColor)[1]*=(float)((BYTE *)&dwAlpha)[1]/256;\r
461 ((BYTE *)&clrColor)[2]*=(float)((BYTE *)&dwAlpha)[2]/256;\r
462 ((BYTE *)&clrColor)[0]+=((BYTE *)&dwColor)[0];\r
463 ((BYTE *)&clrColor)[1]+=((BYTE *)&dwColor)[1];\r
464 ((BYTE *)&clrColor)[2]+=((BYTE *)&dwColor)[2];*/\r
465 \r
466 /* blendedcolor =\r
467 ( ( forecolor * ( 1 - alpha ) ) >> 8 )\r
468 + ( ( backcolor * ( 256 - alpha ) ) >> 8 ) */\r
469 ((BYTE *)&clrColor)[0] =\r
470 ( ( ((BYTE *)&clrColor)[0] * ( ((BYTE *)&dwAlpha)[0] + 1 ) ) >> 8 )\r
471 + ( ( ((BYTE *)&dwColor)[0] * ( 256 - ((BYTE *)&dwAlpha)[0] ) ) >> 8 );\r
472 ((BYTE *)&clrColor)[1] =\r
473 ( ( ((BYTE *)&clrColor)[1] * ( ((BYTE *)&dwAlpha)[1] + 1 ) ) >> 8 )\r
474 + ( ( ((BYTE *)&dwColor)[1] * ( 256 - ((BYTE *)&dwAlpha)[1] ) ) >> 8 );\r
475 ((BYTE *)&clrColor)[2] =\r
476 ( ( ((BYTE *)&clrColor)[2] * ( ((BYTE *)&dwAlpha)[2] + 1 ) ) >> 8 )\r
477 + ( ( ((BYTE *)&dwColor)[2] * ( 256 - ((BYTE *)&dwAlpha)[2] ) ) >> 8 );\r
478 }\r
479 }\r
480 MySetPixel(hDC,X,Y,clrColor);\r
481 }\r
482 \r
483 HANDLE GRPAPI WINAPI CreateGrp(signed short *lpImageData, WORD nFrames, WORD wMaxWidth, WORD wMaxHeight, BOOL bNoCompress, DWORD *nGrpSize)\r
484 {\r
485 GRPHEADER GrpHeader;\r
486 FRAMEHEADER *lpFrameHeaders;\r
487 FRAMEDATA *lpFrameData;\r
488 LPBYTE lpGrpData;\r
489 int i, j, x, y, x1, x2, y1, y2;\r
490 DWORD nLastOffset;\r
491 \r
492 if (!lpImageData || !nGrpSize) return (HANDLE)-1;\r
493 \r
494 GrpHeader.nFrames = nFrames;\r
495 GrpHeader.wMaxWidth = wMaxWidth;\r
496 GrpHeader.wMaxHeight = wMaxHeight;\r
497 lpFrameHeaders = (FRAMEHEADER *)malloc(nFrames * sizeof(FRAMEHEADER));\r
498 lpFrameData = (FRAMEDATA *)malloc(nFrames * sizeof(FRAMEDATA));\r
499 nLastOffset = sizeof(GRPHEADER) + nFrames * sizeof(FRAMEHEADER);\r
500 \r
501 for (i = 0; i < nFrames; i++) {\r
502 lpFrameHeaders[i].Offset = nLastOffset;\r
503 \r
504 // Scan frame to find dimensions of used part\r
505 x1 = y1 = 0x10000;\r
506 x2 = y2 = -1;\r
507 for (y = 0; y < wMaxHeight; y++) {\r
508 for (x = 0; x < wMaxWidth; x++) {\r
509 if (lpImageData[i * wMaxWidth * wMaxHeight + y * wMaxWidth + x] >= 0) {\r
510 if (x < x1) x1 = x;\r
511 if (x > x2) x2 = x;\r
512 if (y < y1) y1 = y;\r
513 if (y > y2) y2 = y;\r
514 }\r
515 }\r
516 }\r
517 x2 = x2 - x1 + 1;\r
518 y2 = y2 - y1 + 1;\r
519 if ((WORD)x1 > 255) x1 = 255;\r
520 if ((WORD)y1 > 255) y1 = 255;\r
521 if ((WORD)x2 > 255) x2 = 255;\r
522 if ((WORD)y2 > 255) y2 = 255;\r
523 lpFrameHeaders[i].Left = x1;\r
524 lpFrameHeaders[i].Top = y1;\r
525 lpFrameHeaders[i].Width = x2;\r
526 lpFrameHeaders[i].Height = y2;\r
527 \r
528 EncodeFrameData(lpImageData, i, &GrpHeader, &lpFrameHeaders[i], &lpFrameData[i], bNoCompress);\r
529 \r
530 // Search for duplicate frames\r
531 for (j = 0; j < i; j++) {\r
532 if (lpFrameData[j].lpRowOffsets && lpFrameHeaders[i].Width == lpFrameHeaders[j].Width && lpFrameHeaders[i].Height == lpFrameHeaders[j].Height && lpFrameData[i].Size == lpFrameData[j].Size) {\r
533 for (y = 0; y < lpFrameHeaders[i].Height; y++) {\r
534 if (!lpFrameData[i].lpRowData[y] && !lpFrameData[j].lpRowData[y])\r
535 continue;\r
536 \r
537 if ((!lpFrameData[i].lpRowData[y] && lpFrameData[j].lpRowData[y]) || (lpFrameData[i].lpRowData[y] && !lpFrameData[j].lpRowData[y]) || lpFrameData[i].lpRowSizes[y] != lpFrameData[j].lpRowSizes[y])\r
538 break;\r
539 \r
540 if (memcmp(lpFrameData[i].lpRowData[y], lpFrameData[j].lpRowData[y], lpFrameData[i].lpRowSizes[y]) != 0)\r
541 break;\r
542 }\r
543 \r
544 if (y == lpFrameHeaders[i].Height) {\r
545 break;\r
546 }\r
547 }\r
548 }\r
549 \r
550 if (j < i) {\r
551 // Duplicate frame found, free stored frame data and change offset\r
552 for (y = 0; y < lpFrameHeaders[i].Height; y++) {\r
553 if (lpFrameData[i].lpRowData[y]) {\r
554 free(lpFrameData[i].lpRowData[y]);\r
555 }\r
556 }\r
557 \r
558 free(lpFrameData[i].lpRowOffsets);\r
559 free(lpFrameData[i].lpRowSizes);\r
560 free(lpFrameData[i].lpRowData);\r
561 \r
562 lpFrameHeaders[i].Offset = lpFrameHeaders[j].Offset;\r
563 lpFrameData[i].lpRowOffsets = 0;\r
564 lpFrameData[i].lpRowSizes = 0;\r
565 lpFrameData[i].lpRowData = 0;\r
566 lpFrameData[i].Size = 0;\r
567 continue;\r
568 }\r
569 \r
570 nLastOffset = lpFrameHeaders[i].Offset + lpFrameData[i].Size;\r
571 }\r
572 \r
573 lpGrpData = (LPBYTE)malloc(nLastOffset);\r
574 \r
575 // Write completed GRP to buffer\r
576 memcpy(lpGrpData, &GrpHeader, sizeof(GRPHEADER));\r
577 memcpy(lpGrpData + sizeof(GRPHEADER), lpFrameHeaders, nFrames * sizeof(FRAMEHEADER));\r
578 \r
579 for (i = 0; i < nFrames; i++) {\r
580 if (lpFrameData[i].lpRowOffsets) {\r
581 if (!bNoCompress)\r
582 memcpy(lpGrpData + lpFrameHeaders[i].Offset, lpFrameData[i].lpRowOffsets, lpFrameHeaders[i].Height * sizeof(WORD));\r
583 \r
584 for (y = 0; y < lpFrameHeaders[i].Height; y++) {\r
585 if (lpFrameData[i].lpRowData[y]) {\r
586 memcpy(lpGrpData + lpFrameHeaders[i].Offset + lpFrameData[i].lpRowOffsets[y], lpFrameData[i].lpRowData[y], lpFrameData[i].lpRowSizes[y]);\r
587 free(lpFrameData[i].lpRowData[y]);\r
588 }\r
589 }\r
590 \r
591 free(lpFrameData[i].lpRowOffsets);\r
592 free(lpFrameData[i].lpRowSizes);\r
593 free(lpFrameData[i].lpRowData);\r
594 }\r
595 }\r
596 \r
597 free(lpFrameHeaders);\r
598 free(lpFrameData);\r
599 \r
600 *nGrpSize = nLastOffset;\r
601 return (HANDLE)lpGrpData;\r
602 }\r
603 \r
604 void EncodeFrameData(signed short *lpImageData, WORD nFrame, GRPHEADER *lpGrpHeader, FRAMEHEADER *lpFrameHeader, FRAMEDATA *lpFrameData, BOOL bNoCompress)\r
605 {\r
606 int x, y, i, j, nBufPos, nRepeat;\r
607 LPBYTE lpRowBuf;\r
608 WORD nLastOffset = 0;\r
609 \r
610 lpFrameData->lpRowOffsets = (WORD *)malloc(lpFrameHeader->Height * sizeof(WORD));\r
611 lpFrameData->lpRowSizes = (WORD *)malloc(lpFrameHeader->Height * sizeof(WORD));\r
612 lpFrameData->lpRowData = (LPBYTE *)malloc(lpFrameHeader->Height * sizeof(LPBYTE));\r
613 lpRowBuf = (LPBYTE)malloc(lpFrameHeader->Width * 2);\r
614 \r
615 if (!bNoCompress)\r
616 nLastOffset = lpFrameHeader->Height * sizeof(WORD);\r
617 \r
618 for (y = 0; y < lpFrameHeader->Height; y++) {\r
619 i = nFrame * lpGrpHeader->wMaxWidth * lpGrpHeader->wMaxHeight + (lpFrameHeader->Top + y) * lpGrpHeader->wMaxWidth;\r
620 \r
621 if (!bNoCompress) {\r
622 // Search for duplicate rows\r
623 for (x = 0; x < y; x++) {\r
624 j = nFrame * lpGrpHeader->wMaxWidth * lpGrpHeader->wMaxHeight + (lpFrameHeader->Top + x) * lpGrpHeader->wMaxWidth;\r
625 if (memcmp(&lpImageData[i+lpFrameHeader->Left],\r
626 &lpImageData[j+lpFrameHeader->Left],\r
627 lpGrpHeader->wMaxWidth * sizeof(short)) == 0)\r
628 break;\r
629 }\r
630 \r
631 if (x < y) {\r
632 lpFrameData->lpRowOffsets[y] = lpFrameData->lpRowOffsets[x];\r
633 lpFrameData->lpRowSizes[y] = 0;\r
634 lpFrameData->lpRowData[y] = 0;\r
635 \r
636 #ifdef _DEBUG\r
637 if (!VerifyRow(&lpImageData[i+lpFrameHeader->Left], lpFrameHeader->Width, lpFrameData->lpRowData[x], lpFrameData->lpRowSizes[x], bNoCompress)) {\r
638 nBufPos = nBufPos;\r
639 }\r
640 #endif\r
641 \r
642 continue;\r
643 }\r
644 }\r
645 \r
646 nBufPos = 0;\r
647 if (lpFrameHeader->Width > 0) {\r
648 for (x = lpFrameHeader->Left; x < lpFrameHeader->Left + lpFrameHeader->Width; x++) {\r
649 if (!bNoCompress) {\r
650 if (x < lpFrameHeader->Left + lpFrameHeader->Width - 1) {\r
651 if (lpImageData[i+x] < 0) {\r
652 lpRowBuf[nBufPos] = 0x80;\r
653 for (; lpImageData[i+x] < 0 && x < lpFrameHeader->Left + lpFrameHeader->Width && lpRowBuf[nBufPos] < 0xFF; x++) {\r
654 lpRowBuf[nBufPos]++;\r
655 }\r
656 x--;\r
657 if (nLastOffset + nBufPos + 1 <= 0xFFFF)\r
658 nBufPos++;\r
659 continue;\r
660 }\r
661 \r
662 // Count repeating pixels, nRepeat = number of pixels - 1, ignore if there are less than 4 duplicates\r
663 for (nRepeat = 0; lpImageData[i+x+nRepeat] == lpImageData[i+x+nRepeat+1] && x+nRepeat < lpFrameHeader->Left + lpFrameHeader->Width - 1 && nRepeat < 0x3E; nRepeat++) {}\r
664 \r
665 if (nRepeat > 2) {\r
666 lpRowBuf[nBufPos] = 0x41 + nRepeat;\r
667 lpRowBuf[nBufPos+1] = (BYTE)(lpImageData[i+x]);\r
668 x += nRepeat;\r
669 if (nLastOffset + nBufPos + 2 <= 0xFFFF)\r
670 nBufPos += 2;\r
671 }\r
672 else {\r
673 lpRowBuf[nBufPos] = 0;\r
674 for (; lpImageData[i+x] >= 0 && x < lpFrameHeader->Left + lpFrameHeader->Width && lpRowBuf[nBufPos] < 0x3F; x++) {\r
675 // Count repeating pixels, ignore if there are less than 4 duplicates\r
676 for (nRepeat = 0; lpImageData[i+x+nRepeat] == lpImageData[i+x+nRepeat+1] && x+nRepeat < lpFrameHeader->Left + lpFrameHeader->Width - 1 && nRepeat < 3; nRepeat++) {}\r
677 if (nRepeat > 2) break;\r
678 \r
679 lpRowBuf[nBufPos]++;\r
680 lpRowBuf[nBufPos+lpRowBuf[nBufPos]] = (BYTE)(lpImageData[i+x]);\r
681 }\r
682 if (lpImageData[i+x] >= 0 && x == lpFrameHeader->Left + lpFrameHeader->Width - 1 && lpRowBuf[nBufPos] < 0x3F) {\r
683 lpRowBuf[nBufPos]++;\r
684 lpRowBuf[nBufPos+lpRowBuf[nBufPos]] = (BYTE)(lpImageData[i+x]);\r
685 }\r
686 x--;\r
687 if (nLastOffset + nBufPos + 1 + lpRowBuf[nBufPos] <= 0xFFFF)\r
688 nBufPos += 1 + lpRowBuf[nBufPos];\r
689 }\r
690 }\r
691 else {\r
692 if (lpImageData[i+x] < 0) {\r
693 lpRowBuf[nBufPos] = 0x81;\r
694 if (nLastOffset + nBufPos + 1 <= 0xFFFF)\r
695 nBufPos++;\r
696 }\r
697 else {\r
698 lpRowBuf[nBufPos] = 1;\r
699 lpRowBuf[nBufPos+1] = (BYTE)(lpImageData[i+x]);\r
700 if (nLastOffset + nBufPos + 2 <= 0xFFFF)\r
701 nBufPos += 2;\r
702 }\r
703 }\r
704 }\r
705 else {\r
706 lpRowBuf[nBufPos] = (BYTE)(lpImageData[i+x]);\r
707 if (nLastOffset + nBufPos + 1 <= 0xFFFF)\r
708 nBufPos++;\r
709 }\r
710 }\r
711 }\r
712 \r
713 #ifdef _DEBUG\r
714 if (!VerifyRow(&lpImageData[i+lpFrameHeader->Left], lpFrameHeader->Width, lpRowBuf, nBufPos, bNoCompress)) {\r
715 nBufPos = nBufPos;\r
716 }\r
717 #endif\r
718 \r
719 lpFrameData->lpRowOffsets[y] = nLastOffset;\r
720 nLastOffset = lpFrameData->lpRowOffsets[y] + nBufPos;\r
721 \r
722 lpFrameData->lpRowSizes[y] = nBufPos;\r
723 lpFrameData->lpRowData[y] = (LPBYTE)malloc(nBufPos);\r
724 memcpy(lpFrameData->lpRowData[y], lpRowBuf, nBufPos);\r
725 }\r
726 \r
727 lpFrameData->Size = nLastOffset;\r
728 \r
729 free(lpRowBuf);\r
730 }\r
731 \r
732 #ifdef _DEBUG\r
733 BOOL VerifyRow(signed short *lpRawRow, int nWidth, LPBYTE lpEncRow, int nSize, BOOL bNoCompress)\r
734 {\r
735 int i,x=0,ofs=0;\r
736 while (x < nWidth && ofs < nSize) {\r
737 if (!bNoCompress) {\r
738 if (!(lpEncRow[ofs] & 0x80)) {\r
739 if (!(lpEncRow[ofs] & 0x40)) {\r
740 for (i=1;i<=lpEncRow[ofs] && x<nWidth;i++) {\r
741 if (lpEncRow[ofs+i] != (BYTE)lpRawRow[x]) return FALSE;\r
742 x++;\r
743 }\r
744 ofs+=lpEncRow[ofs]+1;\r
745 }\r
746 else {\r
747 for (i=0;i<lpEncRow[ofs]-64 && x<nWidth;i++) {\r
748 if (lpEncRow[ofs+1] != (BYTE)lpRawRow[x]) return FALSE;\r
749 x++;\r
750 }\r
751 ofs+=2;\r
752 }\r
753 }\r
754 else {\r
755 for (i=0;i<lpEncRow[ofs]-128 && x<nWidth;i++) {\r
756 if (lpRawRow[x] >= 0) return FALSE;\r
757 }\r
758 x+=lpEncRow[ofs]-128;\r
759 ofs++;\r
760 }\r
761 }\r
762 else {\r
763 if (lpEncRow[ofs] != (BYTE)lpRawRow[x]) return FALSE;\r
764 x++;\r
765 ofs++;\r
766 }\r
767 }\r
768 \r
769 if (x != nWidth || ofs != nSize) return FALSE;\r
770 \r
771 return TRUE;\r
772 }\r
773 #endif\r
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