Commit | Line | Data |
14362b19 |
1 | #include "grpapi.h"\r |
ecca31ff |
2 | #include "../LoadStorm/storm.h"\r |
14362b19 |
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 |
c483a082 |
37 | typedef struct {\r |
38 | WORD *lpRowOffsets;\r |
39 | WORD *lpRowSizes;\r |
40 | LPBYTE *lpRowData;\r |
41 | } FRAMEDATA;\r |
42 | \r |
ecca31ff |
43 | GETPIXELPROC MyGetPixel = GetPixel;\r |
44 | SETPIXELPROC MySetPixel = (SETPIXELPROC)SetPixelV;\r |
45 | \r |
ff024783 |
46 | void __inline SetPix(HDC hDC, int X, int Y, COLORREF clrColor, DWORD *dwPalette, DWORD dwFlags, DWORD dwAlpha);\r |
c483a082 |
47 | void EncodeFrameData(signed short *lpImageData, WORD nFrame, GRPHEADER *lpGrpHeader, FRAMEHEADER *lpFrameHeader, FRAMEDATA *lpFrameData);\r |
0df81049 |
48 | BOOL VerifyRow(signed short *lpRawRow, int nWidth, LPBYTE lpEncRow, int nSize);\r |
14362b19 |
49 | \r |
50 | extern HINSTANCE hStorm;\r |
51 | \r |
52 | BOOL APIENTRY DllMain( HINSTANCE hInstDLL, \r |
53 | DWORD ul_reason_for_call, \r |
54 | LPVOID lpReserved\r |
55 | )\r |
56 | {\r |
57 | switch (ul_reason_for_call)\r |
58 | {\r |
59 | case DLL_PROCESS_ATTACH:\r |
60 | break;\r |
61 | case DLL_THREAD_ATTACH:\r |
62 | break;\r |
63 | case DLL_THREAD_DETACH:\r |
64 | break;\r |
65 | case DLL_PROCESS_DETACH:\r |
66 | break;\r |
67 | }\r |
68 | \r |
69 | return TRUE;\r |
70 | }\r |
71 | \r |
72 | BOOL GRPAPI WINAPI LoadGrpApi()\r |
73 | {\r |
ecca31ff |
74 | if (!hStorm) return FALSE;\r |
14362b19 |
75 | else return TRUE;\r |
76 | }\r |
77 | \r |
78 | void GRPAPI WINAPI FreeGrpApi()\r |
79 | {\r |
80 | }\r |
81 | \r |
d8c90836 |
82 | /*\r |
83 | HANDLE hProcessHeap = NULL;\r |
84 | \r |
85 | void * SFAlloc(size_t nSize)\r |
86 | {\r |
87 | if (!hProcessHeap) hProcessHeap = GetProcessHeap();\r |
88 | if (hProcessHeap) return HeapAlloc(hProcessHeap, 0, nSize);\r |
89 | else return NULL;\r |
90 | }\r |
91 | \r |
92 | void SFFree(void *lpMem)\r |
93 | {\r |
94 | if (!hProcessHeap) hProcessHeap = GetProcessHeap();\r |
95 | if (hProcessHeap) HeapFree(hProcessHeap, 0, lpMem);\r |
96 | }\r |
97 | */\r |
98 | \r |
ecca31ff |
99 | BOOL GRPAPI WINAPI SetMpqDll(LPCSTR lpDllFileName)\r |
100 | {\r |
101 | if (LoadStorm((char *)lpDllFileName)) return TRUE;\r |
102 | else return FALSE;\r |
103 | }\r |
104 | \r |
14362b19 |
105 | BOOL GRPAPI WINAPI LoadPalette(LPCSTR lpFileName, DWORD *dwPaletteBuffer)\r |
106 | {\r |
ecca31ff |
107 | if (!lpFileName || !dwPaletteBuffer) return FALSE;\r |
14362b19 |
108 | HANDLE hFile;\r |
ecca31ff |
109 | if (SFileOpenFileEx && SFileGetFileSize\r |
110 | && SFileSetFilePointer && SFileReadFile\r |
111 | && SFileCloseFile) {\r |
112 | if (!SFileOpenFileEx(0,lpFileName,1,&hFile)) return FALSE;\r |
14362b19 |
113 | DWORD fsz = SFileGetFileSize(hFile,0);\r |
114 | SFileSetFilePointer(hFile,0,0,FILE_BEGIN);\r |
115 | if (fsz>=1024) {\r |
116 | memset(dwPaletteBuffer,0,1024);\r |
117 | SFileReadFile(hFile,dwPaletteBuffer,1024,0,0);\r |
118 | }\r |
119 | else if (fsz==768) {\r |
120 | char *buffer = (char *)_alloca(768);\r |
121 | memset(buffer,0,768);\r |
122 | SFileReadFile(hFile,buffer,768,0,0);\r |
123 | for (DWORD i=0;i<256;i++) {\r |
124 | memcpy(&dwPaletteBuffer[i],buffer+i*3,3);\r |
125 | *(((char *)&dwPaletteBuffer[i])+3) = 0;\r |
126 | }\r |
127 | }\r |
128 | else {\r |
129 | memset(dwPaletteBuffer,0,1024);\r |
130 | SFileReadFile(hFile,dwPaletteBuffer,fsz,0,0);\r |
131 | }\r |
132 | SFileCloseFile(hFile);\r |
133 | }\r |
134 | else {\r |
135 | hFile = CreateFile(lpFileName,GENERIC_READ,FILE_SHARE_READ,0,OPEN_EXISTING,0,0);\r |
136 | if (hFile==INVALID_HANDLE_VALUE) return FALSE;\r |
137 | DWORD fsz = GetFileSize(hFile,0),tsz;\r |
138 | SetFilePointer(hFile,0,0,FILE_BEGIN);\r |
139 | if (fsz>=1024) {\r |
140 | memset(dwPaletteBuffer,0,1024);\r |
141 | ReadFile(hFile,dwPaletteBuffer,1024,&tsz,0);\r |
142 | }\r |
143 | else if (fsz==768) {\r |
144 | char *buffer = (char *)_alloca(768);\r |
145 | memset(buffer,0,768);\r |
146 | ReadFile(hFile,buffer,768,&tsz,0);\r |
147 | for (DWORD i=0;i<256;i++) {\r |
148 | memcpy(&dwPaletteBuffer[i],buffer+i*3,3);\r |
149 | *(((char *)&dwPaletteBuffer[i])+3) = 0;\r |
150 | }\r |
151 | }\r |
152 | else {\r |
153 | memset(dwPaletteBuffer,0,1024);\r |
154 | ReadFile(hFile,dwPaletteBuffer,fsz,&tsz,0);\r |
155 | }\r |
156 | CloseHandle(hFile);\r |
157 | }\r |
158 | return TRUE;\r |
159 | }\r |
160 | \r |
161 | HANDLE GRPAPI WINAPI LoadGrp(LPCSTR lpFileName)\r |
162 | {\r |
ecca31ff |
163 | if (!lpFileName) return (HANDLE)-1;\r |
14362b19 |
164 | HANDLE hFile;\r |
165 | char *GrpFile;\r |
ecca31ff |
166 | if (SFileOpenFileEx && SFileGetFileSize\r |
167 | && SFileSetFilePointer && SFileReadFile\r |
168 | && SFileCloseFile) {\r |
169 | if (!SFileOpenFileEx(0,lpFileName,1,&hFile)) return (HANDLE)-1;\r |
14362b19 |
170 | DWORD fsz = SFileGetFileSize(hFile,0);\r |
171 | if (fsz<6) {\r |
172 | SFileCloseFile(hFile);\r |
173 | return (HANDLE)-1;\r |
174 | }\r |
afcd1861 |
175 | GrpFile = (char *)malloc(fsz);\r |
ecca31ff |
176 | if (GrpFile) {\r |
14362b19 |
177 | SFileSetFilePointer(hFile,0,0,FILE_BEGIN);\r |
178 | SFileReadFile(hFile,GrpFile,fsz,0,0);\r |
179 | }\r |
180 | else GrpFile=(char *)-1;\r |
181 | SFileCloseFile(hFile);\r |
182 | }\r |
183 | else {\r |
184 | hFile = CreateFile(lpFileName,GENERIC_READ,FILE_SHARE_READ,0,OPEN_EXISTING,0,0);\r |
185 | if (hFile==INVALID_HANDLE_VALUE) return (HANDLE)-1;\r |
186 | DWORD fsz = GetFileSize(hFile,0),tsz;\r |
187 | if (fsz<6) {\r |
188 | CloseHandle(hFile);\r |
189 | return (HANDLE)-1;\r |
190 | }\r |
afcd1861 |
191 | GrpFile = (char *)malloc(fsz);\r |
ecca31ff |
192 | if (GrpFile) {\r |
14362b19 |
193 | SetFilePointer(hFile,0,0,FILE_BEGIN);\r |
194 | ReadFile(hFile,GrpFile,fsz,&tsz,0);\r |
195 | }\r |
196 | else GrpFile=(char *)-1;\r |
197 | CloseHandle(hFile);\r |
198 | }\r |
199 | return (HANDLE)GrpFile;\r |
200 | }\r |
201 | \r |
202 | BOOL GRPAPI WINAPI DestroyGrp(HANDLE hGrp)\r |
203 | {\r |
ecca31ff |
204 | if (!hGrp || hGrp==INVALID_HANDLE_VALUE) return FALSE;\r |
afcd1861 |
205 | free(hGrp);\r |
14362b19 |
206 | return TRUE;\r |
207 | }\r |
208 | \r |
209 | BOOL GRPAPI WINAPI DrawGrp(HANDLE hGrp, HDC hdcDest, int nXDest, int nYDest, WORD nFrame, DWORD *dwPalette, DWORD dwFlags, DWORD dwAlpha)\r |
210 | {\r |
c483a082 |
211 | if (!hGrp || hGrp==INVALID_HANDLE_VALUE || hdcDest==0 || (!dwPalette && !(dwFlags&USE_INDEX))) return FALSE;\r |
14362b19 |
212 | GRPHEADER *GrpFile = (GRPHEADER *)hGrp;\r |
213 | nFrame %= GrpFile->nFrames;\r |
214 | FRAMEHEADER *GrpFrame = &((FRAMEHEADER *)(((char *)GrpFile)+6))[nFrame];\r |
2975ca34 |
215 | FRAMEHEADER *GrpFrames = &((FRAMEHEADER *)(((char *)GrpFile)+6))[0];\r |
216 | int FrameSize = 0xFFFFFF;\r |
14362b19 |
217 | DWORD Right,Bottom;\r |
218 | if (dwFlags&HORIZONTAL_FLIP) Right = nXDest+GrpFile->wMaxWidth-1-GrpFrame->Left;\r |
219 | if (dwFlags&VERTICAL_FLIP) Bottom = nYDest+GrpFile->wMaxHeight-1-GrpFrame->Top;\r |
220 | nXDest += GrpFrame->Left;\r |
221 | nYDest += GrpFrame->Top;\r |
222 | WORD *GrpOffsets = ((WORD *)(((char *)GrpFile)+GrpFrame->Offset));\r |
2975ca34 |
223 | BYTE *GrpRaw = (BYTE *)GrpOffsets;\r |
ecca31ff |
224 | BYTE *RowData;\r |
225 | WORD x,ofs;\r |
226 | DWORD y;\r |
227 | WORD i;\r |
2975ca34 |
228 | int j;\r |
229 | if (nFrame + 1 < GrpFile->nFrames) {\r |
230 | for (i = 0; i + 1 < GrpFile->nFrames; i++) {\r |
231 | j = GrpFrames[i].Offset - GrpFrame->Offset;\r |
232 | if (j > 0 && j < FrameSize)\r |
233 | FrameSize = j;\r |
234 | }\r |
235 | }\r |
236 | if (FrameSize == 0xFFFFFF) {\r |
237 | for (i = 0; i + 1 < GrpFile->nFrames; i++) {\r |
238 | j = GrpFrames[i].Offset - GrpFrames[0].Offset;\r |
239 | if (j > 0 && j < FrameSize)\r |
240 | FrameSize = j;\r |
241 | }\r |
242 | if (FrameSize == GrpFrames[0].Width * GrpFrames[0].Height)\r |
243 | FrameSize = GrpFrame->Width * GrpFrame->Height;\r |
244 | }\r |
ecca31ff |
245 | if (!(dwFlags&HORIZONTAL_FLIP) && !(dwFlags&VERTICAL_FLIP)) {\r |
2975ca34 |
246 | if (FrameSize != GrpFrame->Width * GrpFrame->Height) {\r |
247 | for (y=0;y<GrpFrame->Height;y++) {\r |
248 | RowData = ((BYTE *)(((char *)GrpOffsets)+GrpOffsets[y]));\r |
249 | x=0; ofs=0;\r |
250 | while (x<GrpFrame->Width) {\r |
251 | if (!(RowData[ofs] & 0x80)) {\r |
252 | if (!(RowData[ofs] & 0x40)) {\r |
253 | for (i=1;i<=RowData[ofs] && x<GrpFrame->Width;i++) {\r |
ff024783 |
254 | SetPix(hdcDest,nXDest+x,nYDest+y,RowData[ofs+i],dwPalette,dwFlags,dwAlpha);\r |
2975ca34 |
255 | x++;\r |
256 | }\r |
257 | ofs+=RowData[ofs]+1;\r |
258 | }\r |
259 | else {\r |
260 | for (i=0;i<RowData[ofs]-64 && x<GrpFrame->Width;i++) {\r |
ff024783 |
261 | SetPix(hdcDest,nXDest+x,nYDest+y,RowData[ofs+1],dwPalette,dwFlags,dwAlpha);\r |
2975ca34 |
262 | x++;\r |
263 | }\r |
264 | ofs+=2;\r |
ecca31ff |
265 | }\r |
14362b19 |
266 | }\r |
ecca31ff |
267 | else {\r |
2975ca34 |
268 | x+=RowData[ofs]-128;\r |
269 | ofs++;\r |
14362b19 |
270 | }\r |
271 | }\r |
2975ca34 |
272 | }\r |
273 | }\r |
274 | else {\r |
275 | for (y=0;y<GrpFrame->Height;y++) {\r |
276 | for (x=0;x<GrpFrame->Width;x++) {\r |
ff024783 |
277 | SetPix(hdcDest,nXDest+x,nYDest+y,GrpRaw[y * GrpFrame->Width + x],dwPalette,dwFlags,dwAlpha);\r |
ecca31ff |
278 | }\r |
279 | }\r |
280 | }\r |
281 | }\r |
282 | else if (dwFlags&HORIZONTAL_FLIP && !(dwFlags&VERTICAL_FLIP)) {\r |
2975ca34 |
283 | if (FrameSize != GrpFrame->Width * GrpFrame->Height) {\r |
284 | for (y=0;y<GrpFrame->Height;y++) {\r |
285 | RowData = ((BYTE *)(((char *)GrpOffsets)+GrpOffsets[y]));\r |
286 | x=0; ofs=0;\r |
287 | while (x<GrpFrame->Width) {\r |
288 | if (!(RowData[ofs] & 0x80)) {\r |
289 | if (!(RowData[ofs] & 0x40)) {\r |
290 | for (i=1;i<=RowData[ofs] && x<GrpFrame->Width;i++) {\r |
ff024783 |
291 | SetPix(hdcDest,Right-x,nYDest+y,RowData[ofs+i],dwPalette,dwFlags,dwAlpha);\r |
2975ca34 |
292 | x++;\r |
293 | }\r |
294 | ofs+=RowData[ofs]+1;\r |
295 | }\r |
296 | else {\r |
297 | for (i=0;i<RowData[ofs]-64 && x<GrpFrame->Width;i++) {\r |
ff024783 |
298 | SetPix(hdcDest,Right-x,nYDest+y,RowData[ofs+1],dwPalette,dwFlags,dwAlpha);\r |
2975ca34 |
299 | x++;\r |
300 | }\r |
301 | ofs+=2;\r |
ecca31ff |
302 | }\r |
ecca31ff |
303 | }\r |
304 | else {\r |
2975ca34 |
305 | x+=RowData[ofs]-128;\r |
306 | ofs++;\r |
14362b19 |
307 | }\r |
308 | }\r |
2975ca34 |
309 | }\r |
310 | }\r |
311 | else {\r |
312 | for (y=0;y<GrpFrame->Height;y++) {\r |
313 | for (x=0;x<GrpFrame->Width;x++) {\r |
ff024783 |
314 | SetPix(hdcDest,Right-x,nYDest+y,GrpRaw[y * GrpFrame->Width + x],dwPalette,dwFlags,dwAlpha);\r |
14362b19 |
315 | }\r |
14362b19 |
316 | }\r |
ecca31ff |
317 | }\r |
318 | }\r |
319 | else if (!(dwFlags&HORIZONTAL_FLIP) && dwFlags&VERTICAL_FLIP) {\r |
2975ca34 |
320 | if (FrameSize != GrpFrame->Width * GrpFrame->Height) {\r |
321 | for (y=0;y<GrpFrame->Height;y++) {\r |
322 | RowData = ((BYTE *)(((char *)GrpOffsets)+GrpOffsets[y]));\r |
323 | x=0; ofs=0;\r |
324 | while (x<GrpFrame->Width) {\r |
325 | if (!(RowData[ofs] & 0x80)) {\r |
326 | if (!(RowData[ofs] & 0x40)) {\r |
327 | for (i=1;i<=RowData[ofs] && x<GrpFrame->Width;i++) {\r |
ff024783 |
328 | SetPix(hdcDest,nXDest+x,Bottom-y,RowData[ofs+i],dwPalette,dwFlags,dwAlpha);\r |
2975ca34 |
329 | x++;\r |
330 | }\r |
331 | ofs+=RowData[ofs]+1;\r |
332 | }\r |
333 | else {\r |
334 | for (i=0;i<RowData[ofs]-64 && x<GrpFrame->Width;i++) {\r |
ff024783 |
335 | SetPix(hdcDest,nXDest+x,Bottom-y,RowData[ofs+1],dwPalette,dwFlags,dwAlpha);\r |
2975ca34 |
336 | x++;\r |
337 | }\r |
338 | ofs+=2;\r |
ecca31ff |
339 | }\r |
14362b19 |
340 | }\r |
ecca31ff |
341 | else {\r |
2975ca34 |
342 | x+=RowData[ofs]-128;\r |
343 | ofs++;\r |
14362b19 |
344 | }\r |
345 | }\r |
2975ca34 |
346 | }\r |
347 | }\r |
348 | else {\r |
349 | for (y=0;y<GrpFrame->Height;y++) {\r |
350 | for (x=0;x<GrpFrame->Width;x++) {\r |
ff024783 |
351 | SetPix(hdcDest,nXDest+x,Bottom-y,GrpRaw[y * GrpFrame->Width + x],dwPalette,dwFlags,dwAlpha);\r |
ecca31ff |
352 | }\r |
353 | }\r |
354 | }\r |
355 | }\r |
356 | else {\r |
2975ca34 |
357 | if (FrameSize != GrpFrame->Width * GrpFrame->Height) {\r |
358 | for (y=0;y<GrpFrame->Height;y++) {\r |
359 | RowData = ((BYTE *)(((char *)GrpOffsets)+GrpOffsets[y]));\r |
360 | x=0; ofs=0;\r |
361 | while (x<GrpFrame->Width) {\r |
362 | if (!(RowData[ofs] & 0x80)) {\r |
363 | if (!(RowData[ofs] & 0x40)) {\r |
364 | for (i=1;i<=RowData[ofs] && x<GrpFrame->Width;i++) {\r |
ff024783 |
365 | SetPix(hdcDest,Right-x,Bottom-y,RowData[ofs+i],dwPalette,dwFlags,dwAlpha);\r |
2975ca34 |
366 | x++;\r |
367 | }\r |
368 | ofs+=RowData[ofs]+1;\r |
369 | }\r |
370 | else {\r |
371 | for (i=0;i<RowData[ofs]-64 && x<GrpFrame->Width;i++) {\r |
ff024783 |
372 | SetPix(hdcDest,Right-x,Bottom-y,RowData[ofs+1],dwPalette,dwFlags,dwAlpha);\r |
2975ca34 |
373 | x++;\r |
374 | }\r |
375 | ofs+=2;\r |
ecca31ff |
376 | }\r |
ecca31ff |
377 | }\r |
378 | else {\r |
2975ca34 |
379 | x+=RowData[ofs]-128;\r |
380 | ofs++;\r |
14362b19 |
381 | }\r |
382 | }\r |
2975ca34 |
383 | }\r |
384 | }\r |
385 | else {\r |
386 | for (y=0;y<GrpFrame->Height;y++) {\r |
387 | for (x=0;x<GrpFrame->Width;x++) {\r |
ff024783 |
388 | SetPix(hdcDest,Right-x,Bottom-y,GrpRaw[y * GrpFrame->Width + x],dwPalette,dwFlags,dwAlpha);\r |
14362b19 |
389 | }\r |
14362b19 |
390 | }\r |
391 | }\r |
392 | }\r |
393 | return TRUE;\r |
394 | }\r |
395 | \r |
396 | BOOL GRPAPI WINAPI GetGrpInfo(HANDLE hGrp, GRPHEADER *GrpInfo)\r |
397 | {\r |
ecca31ff |
398 | if (!hGrp || hGrp==INVALID_HANDLE_VALUE || !GrpInfo) return FALSE;\r |
14362b19 |
399 | memcpy(GrpInfo,hGrp,6);\r |
400 | return TRUE;\r |
401 | }\r |
402 | \r |
ecca31ff |
403 | void GRPAPI WINAPI SetFunctionGetPixel(GETPIXELPROC lpGetPixelProc)\r |
404 | {\r |
afcd1861 |
405 | if (!lpGetPixelProc)\r |
406 | MyGetPixel = GetPixel;\r |
407 | else\r |
408 | MyGetPixel = lpGetPixelProc;\r |
ecca31ff |
409 | }\r |
410 | \r |
411 | void GRPAPI WINAPI SetFunctionSetPixel(SETPIXELPROC lpSetPixelProc)\r |
412 | {\r |
afcd1861 |
413 | if (!lpSetPixelProc)\r |
414 | MySetPixel = (SETPIXELPROC)SetPixelV;\r |
415 | else\r |
416 | MySetPixel = lpSetPixelProc;\r |
ecca31ff |
417 | }\r |
418 | \r |
ff024783 |
419 | void __inline SetPix(HDC hDC, int X, int Y, COLORREF clrColor, DWORD *dwPalette, DWORD dwFlags, DWORD dwAlpha)\r |
14362b19 |
420 | {\r |
ff024783 |
421 | if (!(dwFlags&USE_INDEX)) {\r |
422 | if (dwFlags&SHADOW_COLOR) {\r |
423 | clrColor = (dwFlags >> 8) & 0x00FFFFFF;\r |
424 | }\r |
425 | else {\r |
426 | clrColor = dwPalette[clrColor];\r |
427 | }\r |
428 | if (dwFlags&ALPHA_BLEND) {\r |
429 | DWORD dwColor = MyGetPixel(hDC,X,Y);\r |
14362b19 |
430 | \r |
ff024783 |
431 | // Old alpha\r |
432 | /*((BYTE *)&dwColor)[0]*=1-((float)((BYTE *)&dwAlpha)[0]/256);\r |
433 | ((BYTE *)&dwColor)[1]*=1-((float)((BYTE *)&dwAlpha)[1]/256);\r |
434 | ((BYTE *)&dwColor)[2]*=1-((float)((BYTE *)&dwAlpha)[2]/256);\r |
435 | ((BYTE *)&clrColor)[0]*=(float)((BYTE *)&dwAlpha)[0]/256;\r |
436 | ((BYTE *)&clrColor)[1]*=(float)((BYTE *)&dwAlpha)[1]/256;\r |
437 | ((BYTE *)&clrColor)[2]*=(float)((BYTE *)&dwAlpha)[2]/256;\r |
438 | ((BYTE *)&clrColor)[0]+=((BYTE *)&dwColor)[0];\r |
439 | ((BYTE *)&clrColor)[1]+=((BYTE *)&dwColor)[1];\r |
440 | ((BYTE *)&clrColor)[2]+=((BYTE *)&dwColor)[2];*/\r |
14362b19 |
441 | \r |
ff024783 |
442 | /* blendedcolor =\r |
443 | ( ( forecolor * ( 1 - alpha ) ) >> 8 )\r |
444 | + ( ( backcolor * ( 256 - alpha ) ) >> 8 ) */\r |
445 | ((BYTE *)&clrColor)[0] =\r |
446 | ( ( ((BYTE *)&clrColor)[0] * ( ((BYTE *)&dwAlpha)[0] + 1 ) ) >> 8 )\r |
447 | + ( ( ((BYTE *)&dwColor)[0] * ( 256 - ((BYTE *)&dwAlpha)[0] ) ) >> 8 );\r |
448 | ((BYTE *)&clrColor)[1] =\r |
449 | ( ( ((BYTE *)&clrColor)[1] * ( ((BYTE *)&dwAlpha)[1] + 1 ) ) >> 8 )\r |
450 | + ( ( ((BYTE *)&dwColor)[1] * ( 256 - ((BYTE *)&dwAlpha)[1] ) ) >> 8 );\r |
451 | ((BYTE *)&clrColor)[2] =\r |
452 | ( ( ((BYTE *)&clrColor)[2] * ( ((BYTE *)&dwAlpha)[2] + 1 ) ) >> 8 )\r |
453 | + ( ( ((BYTE *)&dwColor)[2] * ( 256 - ((BYTE *)&dwAlpha)[2] ) ) >> 8 );\r |
454 | }\r |
14362b19 |
455 | }\r |
ecca31ff |
456 | MySetPixel(hDC,X,Y,clrColor);\r |
14362b19 |
457 | }\r |
c483a082 |
458 | \r |
03269fee |
459 | HANDLE GRPAPI WINAPI CreateGrp(signed short *lpImageData, WORD nFrames, WORD wMaxWidth, WORD wMaxHeight, BOOL bNoCompress, DWORD *nGrpSize)\r |
c483a082 |
460 | {\r |
461 | GRPHEADER GrpHeader;\r |
462 | FRAMEHEADER *lpFrameHeaders;\r |
463 | FRAMEDATA *lpFrameData;\r |
464 | LPBYTE lpGrpData;\r |
0df81049 |
465 | int i, j, x, y, x1, x2, y1, y2;\r |
466 | DWORD nLastOffset;\r |
c483a082 |
467 | \r |
468 | if (!lpImageData || !nGrpSize) return (HANDLE)-1;\r |
469 | \r |
470 | GrpHeader.nFrames = nFrames;\r |
471 | GrpHeader.wMaxWidth = wMaxWidth;\r |
472 | GrpHeader.wMaxHeight = wMaxHeight;\r |
0df81049 |
473 | lpFrameHeaders = (FRAMEHEADER *)malloc(nFrames * sizeof(FRAMEHEADER));\r |
c483a082 |
474 | lpFrameData = (FRAMEDATA *)malloc(nFrames * sizeof(FRAMEDATA));\r |
72348a2d |
475 | nLastOffset = sizeof(GRPHEADER) + nFrames * sizeof(FRAMEHEADER);\r |
c483a082 |
476 | \r |
0df81049 |
477 | for (i = 0; i < nFrames; i++) {\r |
478 | // Search for duplicate frames\r |
479 | for (j = 0; j < i; j++) {\r |
480 | if (memcmp(&lpImageData[i * wMaxWidth * wMaxHeight],\r |
481 | &lpImageData[j * wMaxWidth * wMaxHeight],\r |
482 | wMaxWidth * wMaxHeight * sizeof(short)) == 0)\r |
483 | break;\r |
484 | }\r |
485 | \r |
486 | if (j < i) {\r |
487 | memcpy(&lpFrameHeaders[i], &lpFrameHeaders[j], sizeof(FRAMEHEADER));\r |
ec637542 |
488 | lpFrameData[i].lpRowOffsets = 0;\r |
0df81049 |
489 | continue;\r |
490 | }\r |
491 | \r |
c483a082 |
492 | if (i == 0) {\r |
493 | lpFrameHeaders[i].Offset = sizeof(GRPHEADER) + nFrames * sizeof(FRAMEHEADER);\r |
494 | }\r |
495 | else {\r |
0df81049 |
496 | lpFrameHeaders[i].Offset = nLastOffset;\r |
c483a082 |
497 | }\r |
c483a082 |
498 | \r |
499 | // Scan frame to find dimensions of used part\r |
500 | x1 = y1 = 0x10000;\r |
501 | x2 = y2 = -1;\r |
502 | for (y = 0; y < wMaxHeight; y++) {\r |
503 | for (x = 0; x < wMaxWidth; x++) {\r |
504 | if (lpImageData[i * wMaxWidth * wMaxHeight + y * wMaxWidth + x] >= 0) {\r |
505 | if (x < x1) x1 = x;\r |
506 | if (x > x2) x2 = x;\r |
507 | if (y < y1) y1 = y;\r |
508 | if (y > y2) y2 = y;\r |
509 | }\r |
510 | }\r |
511 | }\r |
9492b9e6 |
512 | x2 = x2 - x1 + 1;\r |
513 | y2 = y2 - y1 + 1;\r |
514 | if ((WORD)x1 > 255) x1 = 255;\r |
515 | if ((WORD)y1 > 255) y1 = 255;\r |
516 | if ((WORD)x2 > 255) x2 = 255;\r |
517 | if ((WORD)y2 > 255) y2 = 255;\r |
c483a082 |
518 | lpFrameHeaders[i].Left = x1;\r |
519 | lpFrameHeaders[i].Top = y1;\r |
9492b9e6 |
520 | lpFrameHeaders[i].Width = x2;\r |
521 | lpFrameHeaders[i].Height = y2;\r |
c483a082 |
522 | \r |
03269fee |
523 | if (!bNoCompress) {\r |
524 | EncodeFrameData(lpImageData, i, &GrpHeader, &lpFrameHeaders[i], &lpFrameData[i]);\r |
0df81049 |
525 | \r |
03269fee |
526 | y = lpFrameHeaders[i].Height;\r |
527 | if (y > 0) {\r |
528 | y--;\r |
529 | nLastOffset = lpFrameHeaders[i].Offset + lpFrameData[i].lpRowOffsets[y] + lpFrameData[i].lpRowSizes[y];\r |
530 | }\r |
531 | else {\r |
532 | nLastOffset = lpFrameHeaders[i].Offset;\r |
533 | }\r |
0df81049 |
534 | }\r |
535 | else {\r |
03269fee |
536 | nLastOffset = lpFrameHeaders[i].Offset + lpFrameHeaders[i].Width * lpFrameHeaders[i].Height;\r |
0df81049 |
537 | }\r |
c483a082 |
538 | }\r |
539 | \r |
0df81049 |
540 | lpGrpData = (LPBYTE)malloc(nLastOffset);\r |
c483a082 |
541 | \r |
542 | // Write completed GRP to buffer\r |
543 | memcpy(lpGrpData, &GrpHeader, sizeof(GRPHEADER));\r |
544 | memcpy(lpGrpData + sizeof(GRPHEADER), lpFrameHeaders, nFrames * sizeof(FRAMEHEADER));\r |
545 | \r |
546 | for (i = 0; i < nFrames; i++) {\r |
ec637542 |
547 | if (lpFrameData[i].lpRowOffsets) {\r |
03269fee |
548 | if (!bNoCompress) {\r |
549 | memcpy(lpGrpData + lpFrameHeaders[i].Offset, lpFrameData[i].lpRowOffsets, lpFrameHeaders[i].Height * sizeof(WORD));\r |
c483a082 |
550 | \r |
03269fee |
551 | for (y = 0; y < lpFrameHeaders[i].Height; y++) {\r |
552 | if (lpFrameData[i].lpRowData[y]) {\r |
553 | memcpy(lpGrpData + lpFrameHeaders[i].Offset + lpFrameData[i].lpRowOffsets[y], lpFrameData[i].lpRowData[y], lpFrameData[i].lpRowSizes[y]);\r |
554 | free(lpFrameData[i].lpRowData[y]);\r |
555 | }\r |
ec637542 |
556 | }\r |
0df81049 |
557 | \r |
03269fee |
558 | free(lpFrameData[i].lpRowOffsets);\r |
559 | free(lpFrameData[i].lpRowSizes);\r |
560 | free(lpFrameData[i].lpRowData);\r |
561 | }\r |
562 | else {\r |
563 | for (y = 0; y < lpFrameHeaders[i].Height; y++) {\r |
564 | for (x = 0; x < lpFrameHeaders[i].Width; x++) {\r |
565 | lpGrpData[lpFrameHeaders[i].Offset + y * lpFrameHeaders[i].Width + x] =\r |
f7234247 |
566 | (BYTE)lpImageData[i * wMaxWidth * wMaxHeight + (lpFrameHeaders[i].Top + y) * wMaxWidth + lpFrameHeaders[i].Left + x];\r |
03269fee |
567 | }\r |
568 | }\r |
569 | }\r |
0df81049 |
570 | }\r |
c483a082 |
571 | }\r |
572 | \r |
c483a082 |
573 | free(lpFrameHeaders);\r |
574 | free(lpFrameData);\r |
575 | \r |
0df81049 |
576 | *nGrpSize = nLastOffset;\r |
c483a082 |
577 | return (HANDLE)lpGrpData;\r |
578 | }\r |
579 | \r |
580 | void EncodeFrameData(signed short *lpImageData, WORD nFrame, GRPHEADER *lpGrpHeader, FRAMEHEADER *lpFrameHeader, FRAMEDATA *lpFrameData)\r |
581 | {\r |
f7234247 |
582 | int x, y, i, nBufPos, nRepeat;\r |
c483a082 |
583 | LPBYTE lpRowBuf;\r |
ec637542 |
584 | WORD nLastOffset;\r |
c483a082 |
585 | \r |
586 | lpFrameData->lpRowOffsets = (WORD *)malloc(lpFrameHeader->Height * sizeof(WORD));\r |
587 | lpFrameData->lpRowSizes = (WORD *)malloc(lpFrameHeader->Height * sizeof(WORD));\r |
588 | lpFrameData->lpRowData = (LPBYTE *)malloc(lpFrameHeader->Height * sizeof(LPBYTE));\r |
589 | lpRowBuf = (LPBYTE)malloc(lpFrameHeader->Width * 2);\r |
d8c90836 |
590 | nLastOffset = lpFrameHeader->Height * sizeof(WORD);\r |
c483a082 |
591 | \r |
592 | for (y = 0; y < lpFrameHeader->Height; y++) {\r |
593 | i = nFrame * lpGrpHeader->wMaxWidth * lpGrpHeader->wMaxHeight + (lpFrameHeader->Top + y) * lpGrpHeader->wMaxWidth;\r |
ec637542 |
594 | \r |
595 | /* Fails verification when using this. Bug in encoder or decoder? Doesn't provide much benefit.\r |
03269fee |
596 | // Search for duplicate rows (experimental)\r |
ec637542 |
597 | for (x = 0; x < y; x++) {\r |
598 | j = nFrame * lpGrpHeader->wMaxWidth * lpGrpHeader->wMaxHeight + (lpFrameHeader->Top + x) * lpGrpHeader->wMaxWidth;\r |
599 | if (memcmp(&lpImageData[i+lpFrameHeader->Left],\r |
600 | &lpImageData[j+lpFrameHeader->Left],\r |
601 | lpGrpHeader->wMaxWidth * sizeof(short)) == 0)\r |
602 | break;\r |
603 | }\r |
604 | \r |
605 | if (x < y) {\r |
606 | lpFrameData->lpRowOffsets[y] = lpFrameData->lpRowOffsets[x];\r |
607 | lpFrameData->lpRowSizes[y] = 0;\r |
608 | lpFrameData->lpRowData[y] = 0;\r |
609 | \r |
610 | #ifdef _DEBUG\r |
611 | if (!VerifyRow(&lpImageData[i+lpFrameHeader->Left], lpFrameHeader->Width, lpFrameData->lpRowData[x], lpFrameData->lpRowSizes[x])) {\r |
612 | nBufPos = nBufPos;\r |
613 | }\r |
614 | #endif\r |
615 | \r |
616 | continue;\r |
617 | }\r |
618 | */\r |
619 | \r |
c483a082 |
620 | nBufPos = 0;\r |
0df81049 |
621 | if (lpFrameHeader->Width > 0) {\r |
622 | for (x = lpFrameHeader->Left; x < lpFrameHeader->Left + lpFrameHeader->Width; x++) {\r |
623 | if (x < lpFrameHeader->Left + lpFrameHeader->Width - 1) {\r |
624 | if (lpImageData[i+x] < 0) {\r |
625 | lpRowBuf[nBufPos] = 0x80;\r |
626 | for (; lpImageData[i+x] < 0 && x < lpFrameHeader->Left + lpFrameHeader->Width && lpRowBuf[nBufPos] < 0xFF; x++) {\r |
627 | lpRowBuf[nBufPos]++;\r |
628 | }\r |
629 | x--;\r |
d8c90836 |
630 | if (nLastOffset + nBufPos + 1 <= 0xFFFF)\r |
631 | nBufPos++;\r |
0df81049 |
632 | continue;\r |
c483a082 |
633 | }\r |
0df81049 |
634 | \r |
635 | // Count repeating pixels, nRepeat = number of pixels - 1, ignore if there are less than 4 duplicates\r |
58a8b78c |
636 | for (nRepeat = 0; lpImageData[i+x+nRepeat] == lpImageData[i+x+nRepeat+1] && x+nRepeat < lpFrameHeader->Left + lpFrameHeader->Width - 1 && nRepeat < 0x3E; nRepeat++) {}\r |
0df81049 |
637 | \r |
638 | if (nRepeat > 2) {\r |
639 | lpRowBuf[nBufPos] = 0x41 + nRepeat;\r |
640 | lpRowBuf[nBufPos+1] = (BYTE)lpImageData[i+x];\r |
641 | x += nRepeat;\r |
d8c90836 |
642 | if (nLastOffset + nBufPos + 2 <= 0xFFFF)\r |
643 | nBufPos += 2;\r |
0df81049 |
644 | }\r |
645 | else {\r |
646 | lpRowBuf[nBufPos] = 0;\r |
647 | for (; lpImageData[i+x] >= 0 && x < lpFrameHeader->Left + lpFrameHeader->Width && lpRowBuf[nBufPos] < 0x3F; x++) {\r |
648 | // Count repeating pixels, ignore if there are less than 4 duplicates\r |
649 | for (nRepeat = 0; lpImageData[i+x+nRepeat] == lpImageData[i+x+nRepeat+1] && x+nRepeat < lpFrameHeader->Left + lpFrameHeader->Width - 1 && nRepeat < 3; nRepeat++) {}\r |
650 | if (nRepeat > 2) break;\r |
651 | \r |
652 | lpRowBuf[nBufPos]++;\r |
653 | lpRowBuf[nBufPos+lpRowBuf[nBufPos]] = (BYTE)lpImageData[i+x];\r |
654 | }\r |
655 | if (lpImageData[i+x] >= 0 && x == lpFrameHeader->Left + lpFrameHeader->Width - 1 && lpRowBuf[nBufPos] < 0x3F) {\r |
656 | lpRowBuf[nBufPos]++;\r |
657 | lpRowBuf[nBufPos+lpRowBuf[nBufPos]] = (BYTE)lpImageData[i+x];\r |
658 | }\r |
659 | x--;\r |
d8c90836 |
660 | if (nLastOffset + nBufPos + 1 + lpRowBuf[nBufPos] <= 0xFFFF)\r |
661 | nBufPos += 1 + lpRowBuf[nBufPos];\r |
c483a082 |
662 | }\r |
c483a082 |
663 | }\r |
664 | else {\r |
0df81049 |
665 | if (lpImageData[i+x] < 0) {\r |
666 | lpRowBuf[nBufPos] = 0x81;\r |
d8c90836 |
667 | if (nLastOffset + nBufPos + 1 <= 0xFFFF)\r |
668 | nBufPos++;\r |
0df81049 |
669 | }\r |
670 | else {\r |
671 | lpRowBuf[nBufPos] = 1;\r |
672 | lpRowBuf[nBufPos+1] = (BYTE)lpImageData[i+x];\r |
d8c90836 |
673 | if (nLastOffset + nBufPos + 2 <= 0xFFFF)\r |
674 | nBufPos += 2;\r |
c483a082 |
675 | }\r |
c483a082 |
676 | }\r |
677 | }\r |
678 | }\r |
0df81049 |
679 | \r |
680 | #ifdef _DEBUG\r |
681 | if (!VerifyRow(&lpImageData[i+lpFrameHeader->Left], lpFrameHeader->Width, lpRowBuf, nBufPos)) {\r |
682 | nBufPos = nBufPos;\r |
c483a082 |
683 | }\r |
0df81049 |
684 | #endif\r |
c483a082 |
685 | \r |
686 | if (y == 0) {\r |
687 | lpFrameData->lpRowOffsets[y] = lpFrameHeader->Height * sizeof(WORD);\r |
688 | }\r |
689 | else {\r |
ec637542 |
690 | lpFrameData->lpRowOffsets[y] = nLastOffset;\r |
c483a082 |
691 | }\r |
692 | \r |
ec637542 |
693 | nLastOffset = lpFrameData->lpRowOffsets[y] + nBufPos;\r |
694 | \r |
c483a082 |
695 | lpFrameData->lpRowSizes[y] = nBufPos;\r |
696 | lpFrameData->lpRowData[y] = (LPBYTE)malloc(nBufPos);\r |
697 | memcpy(lpFrameData->lpRowData[y], lpRowBuf, nBufPos);\r |
698 | }\r |
699 | \r |
700 | free(lpRowBuf);\r |
701 | }\r |
0df81049 |
702 | \r |
703 | #ifdef _DEBUG\r |
704 | BOOL VerifyRow(signed short *lpRawRow, int nWidth, LPBYTE lpEncRow, int nSize)\r |
705 | {\r |
706 | int i,x=0,ofs=0;\r |
707 | while (x < nWidth && ofs < nSize) {\r |
708 | if (!(lpEncRow[ofs] & 0x80)) {\r |
709 | if (!(lpEncRow[ofs] & 0x40)) {\r |
710 | for (i=1;i<=lpEncRow[ofs] && x<nWidth;i++) {\r |
711 | if (lpEncRow[ofs+i] != (BYTE)lpRawRow[x]) return FALSE;\r |
712 | x++;\r |
713 | }\r |
714 | ofs+=lpEncRow[ofs]+1;\r |
715 | }\r |
716 | else {\r |
717 | for (i=0;i<lpEncRow[ofs]-64 && x<nWidth;i++) {\r |
718 | if (lpEncRow[ofs+1] != (BYTE)lpRawRow[x]) return FALSE;\r |
719 | x++;\r |
720 | }\r |
721 | ofs+=2;\r |
722 | }\r |
723 | }\r |
724 | else {\r |
725 | for (i=0;i<lpEncRow[ofs]-128 && x<nWidth;i++) {\r |
726 | if (lpRawRow[x] >= 0) return FALSE;\r |
727 | }\r |
728 | x+=lpEncRow[ofs]-128;\r |
729 | ofs++;\r |
730 | }\r |
731 | }\r |
732 | \r |
733 | if (x != nWidth || ofs != nSize) return FALSE;\r |
734 | \r |
735 | return TRUE;\r |
736 | }\r |
737 | #endif\r |