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diff --git a/grpapi/grpapi.cpp b/grpapi/grpapi.cpp
--- a/grpapi/grpapi.cpp
+++ b/grpapi/grpapi.cpp
{\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
@@ -455,6 +472,7 @@ 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
@@ -491,10 +509,16 @@ 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
if (!bNoCompress) {\r
EncodeFrameData(lpImageData, i, &GrpHeader, &lpFrameHeaders[i], &lpFrameData[i]);\r
@@ -563,6 +587,7 @@ void EncodeFrameData(signed short *lpImageData, WORD nFrame, GRPHEADER *lpGrpHea
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
@@ -602,7 +627,8 @@ 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
@@ -613,7 +639,8 @@ void EncodeFrameData(signed short *lpImageData, WORD nFrame, GRPHEADER *lpGrpHea
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
@@ -630,18 +657,21 @@ 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
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