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