Current News
Archived News
Search News
Discussion Forum


Old Forum
Install Programs More Downloads...
Troubleshooting
Source Code
Format Specs.
Misc. Information
Non-SF Stuff
Links




index 2cb5e2e..d206614 100644 (file)
@@ -79,6 +79,23 @@ void GRPAPI WINAPI FreeGrpApi()
 {\r
 }\r
 \r
+/*\r
+HANDLE hProcessHeap = NULL;\r
+\r
+void * SFAlloc(size_t nSize)\r
+{\r
+       if (!hProcessHeap) hProcessHeap = GetProcessHeap();\r
+       if (hProcessHeap) return HeapAlloc(hProcessHeap, 0, nSize);\r
+       else return NULL;\r
+}\r
+\r
+void SFFree(void *lpMem)\r
+{\r
+       if (!hProcessHeap) hProcessHeap = GetProcessHeap();\r
+       if (hProcessHeap) HeapFree(hProcessHeap, 0, lpMem);\r
+}\r
+*/\r
+\r
 BOOL GRPAPI WINAPI SetMpqDll(LPCSTR lpDllFileName)\r
 {\r
        if (LoadStorm((char *)lpDllFileName)) return TRUE;\r
@@ -216,7 +233,8 @@ BOOL GRPAPI WINAPI DrawGrp(HANDLE hGrp, HDC hdcDest, int nXDest, int nYDest, WOR
                                FrameSize = j;\r
                }\r
        }\r
-       if (FrameSize == 0xFFFFFF) {\r
+       if (FrameSize == 0xFFFFFF || FrameSize == GrpFrame->Width * GrpFrame->Height) {\r
+               FrameSize = 0xFFFFFF;\r
                for (i = 0; i + 1 < GrpFile->nFrames; i++) {\r
                        j = GrpFrames[i].Offset - GrpFrames[0].Offset;\r
                        if (j > 0 && j < FrameSize)\r
@@ -383,6 +401,19 @@ BOOL GRPAPI WINAPI GetGrpInfo(HANDLE hGrp, GRPHEADER *GrpInfo)
        return TRUE;\r
 }\r
 \r
+BOOL GRPAPI WINAPI GetGrpFrameInfo(HANDLE hGrp, WORD nFrame, DWORD *nLeft, DWORD *nTop, DWORD *nWidth, DWORD *nHeight)\r
+{\r
+       if (!hGrp || hGrp==INVALID_HANDLE_VALUE) return FALSE;\r
+       FRAMEHEADER *GrpFrame = &((FRAMEHEADER *)(((char *)hGrp)+6))[nFrame];\r
+\r
+       if (nLeft) *nLeft = GrpFrame->Left;\r
+       if (nTop) *nTop = GrpFrame->Top;\r
+       if (nWidth) *nWidth = GrpFrame->Width;\r
+       if (nHeight) *nHeight = GrpFrame->Height;\r
+\r
+       return TRUE;\r
+}\r
+\r
 void GRPAPI WINAPI SetFunctionGetPixel(GETPIXELPROC lpGetPixelProc)\r
 {\r
        if (!lpGetPixelProc)\r
@@ -439,7 +470,7 @@ void __inline SetPix(HDC hDC, int X, int Y, COLORREF clrColor, DWORD *dwPalette,
        MySetPixel(hDC,X,Y,clrColor);\r
 }\r
 \r
-HANDLE GRPAPI WINAPI CreateGrp(signed short *lpImageData, WORD nFrames, WORD wMaxWidth, WORD wMaxHeight, DWORD *nGrpSize)\r
+HANDLE GRPAPI WINAPI CreateGrp(signed short *lpImageData, WORD nFrames, WORD wMaxWidth, WORD wMaxHeight, BOOL bNoCompress, DWORD *nGrpSize)\r
 {\r
        GRPHEADER GrpHeader;\r
        FRAMEHEADER *lpFrameHeaders;\r
@@ -455,6 +486,7 @@ HANDLE GRPAPI WINAPI CreateGrp(signed short *lpImageData, WORD nFrames, WORD wMa
        GrpHeader.wMaxHeight = wMaxHeight;\r
        lpFrameHeaders = (FRAMEHEADER *)malloc(nFrames * sizeof(FRAMEHEADER));\r
        lpFrameData = (FRAMEDATA *)malloc(nFrames * sizeof(FRAMEDATA));\r
+       nLastOffset = sizeof(GRPHEADER) + nFrames * sizeof(FRAMEHEADER);\r
 \r
        for (i = 0; i < nFrames; i++) {\r
                // Search for duplicate frames\r
@@ -467,6 +499,7 @@ HANDLE GRPAPI WINAPI CreateGrp(signed short *lpImageData, WORD nFrames, WORD wMa
 \r
                if (j < i) {\r
                        memcpy(&lpFrameHeaders[i], &lpFrameHeaders[j], sizeof(FRAMEHEADER));\r
+                       lpFrameData[i].lpRowOffsets = 0;\r
                        continue;\r
                }\r
 \r
@@ -490,20 +523,31 @@ HANDLE GRPAPI WINAPI CreateGrp(signed short *lpImageData, WORD nFrames, WORD wMa
                                }\r
                        }\r
                }\r
+               x2 = x2 - x1 + 1;\r
+               y2 = y2 - y1 + 1;\r
+               if ((WORD)x1 > 255) x1 = 255;\r
+               if ((WORD)y1 > 255) y1 = 255;\r
+               if ((WORD)x2 > 255) x2 = 255;\r
+               if ((WORD)y2 > 255) y2 = 255;\r
                lpFrameHeaders[i].Left = x1;\r
                lpFrameHeaders[i].Top = y1;\r
-               lpFrameHeaders[i].Width = x2 - x1 + 1;\r
-               lpFrameHeaders[i].Height = y2 - y1 + 1;\r
+               lpFrameHeaders[i].Width = x2;\r
+               lpFrameHeaders[i].Height = y2;\r
 \r
-               EncodeFrameData(lpImageData, i, &GrpHeader, &lpFrameHeaders[i], &lpFrameData[i]);\r
+               if (!bNoCompress) {\r
+                       EncodeFrameData(lpImageData, i, &GrpHeader, &lpFrameHeaders[i], &lpFrameData[i]);\r
 \r
-               y = lpFrameHeaders[i].Height;\r
-               if (y > 0) {\r
-                       y--;\r
-                       nLastOffset = lpFrameHeaders[i].Offset + lpFrameData[i].lpRowOffsets[y] + lpFrameData[i].lpRowSizes[y];\r
+                       y = lpFrameHeaders[i].Height;\r
+                       if (y > 0) {\r
+                               y--;\r
+                               nLastOffset = lpFrameHeaders[i].Offset + lpFrameData[i].lpRowOffsets[y] + lpFrameData[i].lpRowSizes[y];\r
+                       }\r
+                       else {\r
+                               nLastOffset = lpFrameHeaders[i].Offset;\r
+                       }\r
                }\r
                else {\r
-                       nLastOffset = lpFrameHeaders[i].Offset;\r
+                       nLastOffset = lpFrameHeaders[i].Offset + lpFrameHeaders[i].Width * lpFrameHeaders[i].Height;\r
                }\r
        }\r
 \r
@@ -514,21 +558,28 @@ HANDLE GRPAPI WINAPI CreateGrp(signed short *lpImageData, WORD nFrames, WORD wMa
        memcpy(lpGrpData + sizeof(GRPHEADER), lpFrameHeaders, nFrames * sizeof(FRAMEHEADER));\r
 \r
        for (i = 0; i < nFrames; i++) {\r
-               if (lpFrameHeaders[i].Offset) {\r
-                       memcpy(lpGrpData + lpFrameHeaders[i].Offset, lpFrameData[i].lpRowOffsets, lpFrameHeaders[i].Height * sizeof(WORD));\r
+               if (lpFrameData[i].lpRowOffsets) {\r
+                       if (!bNoCompress) {\r
+                               memcpy(lpGrpData + lpFrameHeaders[i].Offset, lpFrameData[i].lpRowOffsets, lpFrameHeaders[i].Height * sizeof(WORD));\r
+\r
+                               for (y = 0; y < lpFrameHeaders[i].Height; y++) {\r
+                                       if (lpFrameData[i].lpRowData[y]) {\r
+                                               memcpy(lpGrpData + lpFrameHeaders[i].Offset + lpFrameData[i].lpRowOffsets[y], lpFrameData[i].lpRowData[y], lpFrameData[i].lpRowSizes[y]);\r
+                                               free(lpFrameData[i].lpRowData[y]);\r
+                                       }\r
+                               }\r
 \r
-                       for (y = 0; y < lpFrameHeaders[i].Height; y++) {\r
-                               memcpy(lpGrpData + lpFrameHeaders[i].Offset + lpFrameData[i].lpRowOffsets[y], lpFrameData[i].lpRowData[y], lpFrameData[i].lpRowSizes[y]);\r
-                               free(lpFrameData[i].lpRowData[y]);\r
+                               free(lpFrameData[i].lpRowOffsets);\r
+                               free(lpFrameData[i].lpRowSizes);\r
+                               free(lpFrameData[i].lpRowData);\r
                        }\r
-\r
-                       free(lpFrameData[i].lpRowOffsets);\r
-                       free(lpFrameData[i].lpRowSizes);\r
-                       free(lpFrameData[i].lpRowData);\r
-\r
-                       for (j = i + 1; j < nFrames; j++) {\r
-                               if (lpFrameHeaders[i].Offset == lpFrameHeaders[j].Offset)\r
-                                       lpFrameHeaders[j].Offset = 0;\r
+                       else {\r
+                               for (y = 0; y < lpFrameHeaders[i].Height; y++) {\r
+                                       for (x = 0; x < lpFrameHeaders[i].Width; x++) {\r
+                                               lpGrpData[lpFrameHeaders[i].Offset + y * lpFrameHeaders[i].Width + x] =\r
+                                                       (BYTE)lpImageData[i * wMaxWidth * wMaxHeight + (lpFrameHeaders[i].Top + y) * wMaxWidth + lpFrameHeaders[i].Left + x];\r
+                                       }\r
+                               }\r
                        }\r
                }\r
        }\r
@@ -544,14 +595,42 @@ void EncodeFrameData(signed short *lpImageData, WORD nFrame, GRPHEADER *lpGrpHea
 {\r
        int x, y, i, nBufPos, nRepeat;\r
        LPBYTE lpRowBuf;\r
+       WORD nLastOffset;\r
 \r
        lpFrameData->lpRowOffsets = (WORD *)malloc(lpFrameHeader->Height * sizeof(WORD));\r
        lpFrameData->lpRowSizes = (WORD *)malloc(lpFrameHeader->Height * sizeof(WORD));\r
        lpFrameData->lpRowData = (LPBYTE *)malloc(lpFrameHeader->Height * sizeof(LPBYTE));\r
        lpRowBuf = (LPBYTE)malloc(lpFrameHeader->Width * 2);\r
+       nLastOffset = lpFrameHeader->Height * sizeof(WORD);\r
 \r
        for (y = 0; y < lpFrameHeader->Height; y++) {\r
                i = nFrame * lpGrpHeader->wMaxWidth * lpGrpHeader->wMaxHeight + (lpFrameHeader->Top + y) * lpGrpHeader->wMaxWidth;\r
+\r
+               /* Fails verification when using this.  Bug in encoder or decoder?  Doesn't provide much benefit.\r
+               // Search for duplicate rows (experimental)\r
+               for (x = 0; x < y; x++) {\r
+                       j = nFrame * lpGrpHeader->wMaxWidth * lpGrpHeader->wMaxHeight + (lpFrameHeader->Top + x) * lpGrpHeader->wMaxWidth;\r
+                       if (memcmp(&lpImageData[i+lpFrameHeader->Left],\r
+                                  &lpImageData[j+lpFrameHeader->Left],\r
+                                  lpGrpHeader->wMaxWidth * sizeof(short)) == 0)\r
+                               break;\r
+               }\r
+\r
+               if (x < y) {\r
+                       lpFrameData->lpRowOffsets[y] = lpFrameData->lpRowOffsets[x];\r
+                       lpFrameData->lpRowSizes[y] = 0;\r
+                       lpFrameData->lpRowData[y] = 0;\r
+\r
+#ifdef _DEBUG\r
+                       if (!VerifyRow(&lpImageData[i+lpFrameHeader->Left], lpFrameHeader->Width, lpFrameData->lpRowData[x], lpFrameData->lpRowSizes[x])) {\r
+                               nBufPos = nBufPos;\r
+                       }\r
+#endif\r
+\r
+                       continue;\r
+               }\r
+               */\r
+\r
                nBufPos = 0;\r
                if (lpFrameHeader->Width > 0) {\r
                        for (x = lpFrameHeader->Left; x < lpFrameHeader->Left + lpFrameHeader->Width; x++) {\r
@@ -562,18 +641,20 @@ void EncodeFrameData(signed short *lpImageData, WORD nFrame, GRPHEADER *lpGrpHea
                                                        lpRowBuf[nBufPos]++;\r
                                                }\r
                                                x--;\r
-                                               nBufPos++;\r
+                                               if (nLastOffset + nBufPos + 1 <= 0xFFFF)\r
+                                                       nBufPos++;\r
                                                continue;\r
                                        }\r
 \r
                                        // Count repeating pixels, nRepeat = number of pixels - 1, ignore if there are less than 4 duplicates\r
-                                       for (nRepeat = 0; lpImageData[i+x+nRepeat] == lpImageData[i+x+nRepeat+1] && x+nRepeat < lpFrameHeader->Left + lpFrameHeader->Width - 1 && nRepeat < 0x3F; nRepeat++) {}\r
+                                       for (nRepeat = 0; lpImageData[i+x+nRepeat] == lpImageData[i+x+nRepeat+1] && x+nRepeat < lpFrameHeader->Left + lpFrameHeader->Width - 1 && nRepeat < 0x3E; nRepeat++) {}\r
 \r
                                        if (nRepeat > 2) {\r
                                                lpRowBuf[nBufPos] = 0x41 + nRepeat;\r
                                                lpRowBuf[nBufPos+1] = (BYTE)lpImageData[i+x];\r
                                                x += nRepeat;\r
-                                               nBufPos += 2;\r
+                                               if (nLastOffset + nBufPos + 2 <= 0xFFFF)\r
+                                                       nBufPos += 2;\r
                                        }\r
                                        else {\r
                                                lpRowBuf[nBufPos] = 0;\r
@@ -590,18 +671,21 @@ void EncodeFrameData(signed short *lpImageData, WORD nFrame, GRPHEADER *lpGrpHea
                                                        lpRowBuf[nBufPos+lpRowBuf[nBufPos]] = (BYTE)lpImageData[i+x];\r
                                                }\r
                                                x--;\r
-                                               nBufPos += 1 + lpRowBuf[nBufPos];\r
+                                               if (nLastOffset + nBufPos + 1 + lpRowBuf[nBufPos] <= 0xFFFF)\r
+                                                       nBufPos += 1 + lpRowBuf[nBufPos];\r
                                        }\r
                                }\r
                                else {\r
                                        if (lpImageData[i+x] < 0) {\r
                                                lpRowBuf[nBufPos] = 0x81;\r
-                                               nBufPos++;\r
+                                               if (nLastOffset + nBufPos + 1 <= 0xFFFF)\r
+                                                       nBufPos++;\r
                                        }\r
                                        else {\r
                                                lpRowBuf[nBufPos] = 1;\r
                                                lpRowBuf[nBufPos+1] = (BYTE)lpImageData[i+x];\r
-                                               nBufPos += 2;\r
+                                               if (nLastOffset + nBufPos + 2 <= 0xFFFF)\r
+                                                       nBufPos += 2;\r
                                        }\r
                                }\r
                        }\r
@@ -617,9 +701,11 @@ void EncodeFrameData(signed short *lpImageData, WORD nFrame, GRPHEADER *lpGrpHea
                        lpFrameData->lpRowOffsets[y] = lpFrameHeader->Height * sizeof(WORD);\r
                }\r
                else {\r
-                       lpFrameData->lpRowOffsets[y] = lpFrameData->lpRowOffsets[y-1] + lpFrameData->lpRowSizes[y-1];\r
+                       lpFrameData->lpRowOffsets[y] = nLastOffset;\r
                }\r
 \r
+               nLastOffset = lpFrameData->lpRowOffsets[y] + nBufPos;\r
+\r
                lpFrameData->lpRowSizes[y] = nBufPos;\r
                lpFrameData->lpRowData[y] = (LPBYTE)malloc(nBufPos);\r
                memcpy(lpFrameData->lpRowData[y], lpRowBuf, nBufPos);\r