mirror of https://github.com/FreeRDP/FreeRDP
libfreerdp-codec: reduce ClearCodec memory usage
This commit is contained in:
Marc-André Moreau
parent
d6a37d641e
commit
2f26ed58e5
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@ -30,8 +30,17 @@
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#define CLEARCODEC_FLAG_GLYPH_HIT 0x02
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#define CLEARCODEC_FLAG_CACHE_RESET 0x04
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struct _CLEAR_GLYPH_ENTRY
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{
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UINT32 size;
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UINT32 count;
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UINT32* pixels;
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};
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typedef struct _CLEAR_GLYPH_ENTRY CLEAR_GLYPH_ENTRY;
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struct _CLEAR_VBAR_ENTRY
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{
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UINT32 size;
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UINT32 count;
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UINT32* pixels;
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};
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@ -44,7 +53,7 @@ struct _CLEAR_CONTEXT
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UINT32 seqNumber;
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BYTE* TempBuffer;
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UINT32 TempSize;
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BYTE* GlyphCache[4000];
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CLEAR_GLYPH_ENTRY GlyphCache[4000];
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UINT32 VBarStorageCursor;
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CLEAR_VBAR_ENTRY VBarStorage[32768];
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UINT32 ShortVBarStorageCursor;
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@ -79,6 +79,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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BYTE* pDstPixel8 = NULL;
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UINT32* pSrcPixel32 = NULL;
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UINT32* pDstPixel32 = NULL;
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CLEAR_GLYPH_ENTRY* glyphEntry;
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if (!ppDstData)
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return -1001;
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@ -128,16 +129,15 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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if (glyphFlags & CLEARCODEC_FLAG_GLYPH_HIT)
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{
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/**
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* Copy pixels from the Decompressor Glyph Storage position
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* specified by the glyphIndex field to the output bitmap
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*/
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glyphData = clear->GlyphCache[glyphIndex];
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glyphEntry = &(clear->GlyphCache[glyphIndex]);
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glyphData = (BYTE*) glyphEntry->pixels;
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if (!glyphData)
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return -1010;
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if ((nWidth * nHeight) > glyphEntry->count)
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return -1011;
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nSrcStep = nWidth * 4;
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pSrcPixel8 = glyphData;
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pDstPixel8 = &pDstData[(nYDst * nDstStep) + (nXDst * 4)];
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@ -156,7 +156,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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/* Read composition payload header parameters */
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if ((SrcSize - offset) < 12)
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return -1011;
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return -1012;
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residualByteCount = *((UINT32*) &pSrcData[offset]);
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bandsByteCount = *((UINT32*) &pSrcData[offset + 4]);
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@ -172,7 +172,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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BYTE* residualData;
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if ((SrcSize - offset) < residualByteCount)
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return -1012;
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return -1013;
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suboffset = 0;
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residualData = &pSrcData[offset];
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@ -183,7 +183,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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clear->TempBuffer = (BYTE*) realloc(clear->TempBuffer, clear->TempSize);
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if (!clear->TempBuffer)
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return -1013;
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return -1014;
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}
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pixelIndex = 0;
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@ -193,7 +193,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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while (suboffset < residualByteCount)
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{
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if ((residualByteCount - suboffset) < 4)
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return -1014;
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return -1015;
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color = RGB32(residualData[suboffset + 2], residualData[suboffset + 1], residualData[suboffset + 0]);
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suboffset += 3;
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@ -204,7 +204,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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if (runLengthFactor >= 0xFF)
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{
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if ((residualByteCount - suboffset) < 2)
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return -1015;
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return -1016;
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runLengthFactor = (UINT32) *((UINT16*) &residualData[suboffset]);
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suboffset += 2;
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@ -212,7 +212,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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if (runLengthFactor >= 0xFFFF)
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{
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if ((residualByteCount - suboffset) < 4)
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return -1016;
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return -1017;
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runLengthFactor = *((UINT32*) &residualData[suboffset]);
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suboffset += 4;
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@ -220,7 +220,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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}
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if ((pixelIndex + runLengthFactor) > pixelCount)
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return -1017;
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return -1018;
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for (i = 0; i < runLengthFactor; i++)
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{
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@ -236,7 +236,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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pDstPixel8 = &pDstData[(nYDst * nDstStep) + (nXDst * 4)];
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if (pixelIndex != pixelCount)
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return -1018;
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return -1019;
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for (y = 0; y < nHeight; y++)
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{
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@ -254,7 +254,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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UINT32 suboffset;
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if ((SrcSize - offset) < bandsByteCount)
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return -1019;
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return -1020;
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suboffset = 0;
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bandsData = &pSrcData[offset];
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@ -280,7 +280,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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CLEAR_VBAR_ENTRY* vBarShortEntry;
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if ((bandsByteCount - suboffset) < 11)
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return -1020;
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return -1021;
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xStart = *((UINT16*) &bandsData[suboffset]);
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xEnd = *((UINT16*) &bandsData[suboffset + 2]);
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@ -292,10 +292,10 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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suboffset += 3;
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if (xEnd < xStart)
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return -1021;
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return -1022;
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if (yEnd < yStart)
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return -1022;
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return -1023;
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vBarCount = (xEnd - xStart) + 1;
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@ -305,7 +305,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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vBar = &bandsData[suboffset];
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if ((bandsByteCount - suboffset) < 2)
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return -1023;
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return -1024;
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vBarHeader = *((UINT16*) &vBar[0]);
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suboffset += 2;
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@ -313,17 +313,17 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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vBarHeight = (yEnd - yStart + 1);
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if (vBarHeight > 52)
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return -1024;
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return -1025;
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if ((vBarHeader & 0xC000) == 0x4000) /* SHORT_VBAR_CACHE_HIT */
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{
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vBarIndex = (vBarHeader & 0x3FFF);
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if (vBarIndex >= 16384)
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return -1025;
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return -1026;
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if ((bandsByteCount - suboffset) < 1)
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return -1026;
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return -1027;
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vBarYOn = vBar[2];
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suboffset += 1;
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@ -331,7 +331,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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vBarShortEntry = &(clear->ShortVBarStorage[vBarIndex]);
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if (!vBarShortEntry)
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return -1027;
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return -1028;
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vBarShortPixelCount = vBarShortEntry->count;
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@ -343,27 +343,36 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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vBarYOff = ((vBarHeader >> 8) & 0x3F);
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if (vBarYOff < vBarYOn)
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return -1028;
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return -1029;
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pSrcPixel8 = &vBar[2];
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vBarShortPixelCount = (vBarYOff - vBarYOn);
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if (vBarShortPixelCount > 52)
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return -1029;
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if ((bandsByteCount - suboffset) < (vBarShortPixelCount * 3))
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return -1030;
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if (clear->ShortVBarStorageCursor >= 16384)
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if ((bandsByteCount - suboffset) < (vBarShortPixelCount * 3))
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return -1031;
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if (clear->ShortVBarStorageCursor >= 16384)
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return -1032;
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vBarShortEntry = &(clear->ShortVBarStorage[clear->ShortVBarStorageCursor]);
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if (!vBarShortEntry->pixels)
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vBarShortEntry->pixels = (UINT32*) malloc(52 * 4);
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vBarShortEntry->count = vBarShortPixelCount;
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if (!vBarShortEntry->pixels)
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return -1032;
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if (vBarShortEntry->count > vBarShortEntry->size)
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{
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vBarShortEntry->size = vBarShortEntry->count;
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if (!vBarShortEntry->pixels)
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vBarShortEntry->pixels = (UINT32*) malloc(vBarShortEntry->count * 4);
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else
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vBarShortEntry->pixels = (UINT32*) realloc(vBarShortEntry->pixels, vBarShortEntry->count * 4);
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}
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if (!vBarShortEntry->pixels && vBarShortEntry->size)
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return -1033;
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pDstPixel32 = vBarShortEntry->pixels;
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@ -386,29 +395,38 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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vBarIndex = (vBarHeader & 0x7FFF);
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if (vBarIndex >= 32768)
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return -1033;
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return -1034;
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vBarEntry = &(clear->VBarStorage[vBarIndex]);
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}
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else
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{
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return -1034; /* invalid vBarHeader */
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return -1035; /* invalid vBarHeader */
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}
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if (vBarUpdate)
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{
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if (clear->VBarStorageCursor >= 32768)
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return -1035;
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return -1036;
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vBarEntry = &(clear->VBarStorage[clear->VBarStorageCursor]);
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if (!vBarEntry->pixels)
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vBarEntry->pixels = (UINT32*) malloc(52 * 4);
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if (!vBarEntry->pixels)
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return -1036;
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vBarPixelCount = vBarHeight;
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vBarEntry->count = vBarPixelCount;
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if (vBarEntry->count > vBarEntry->size)
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{
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vBarEntry->size = vBarEntry->count;
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if (!vBarEntry->pixels)
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vBarEntry->pixels = (UINT32*) malloc(vBarEntry->count * 4);
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else
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vBarEntry->pixels = (UINT32*) realloc(vBarEntry->pixels, vBarEntry->count * 4);
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}
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if (!vBarEntry->pixels && vBarEntry->size)
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return -1037;
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pDstPixel32 = vBarEntry->pixels;
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/* if (y < vBarYOn), use colorBkg */
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@ -464,7 +482,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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count = yEnd - yStart + 1;
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if (vBarEntry->count != count)
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return -1037;
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return -1038;
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for (y = 0; y < count; y++)
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{
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@ -492,7 +510,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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UINT32 suboffset;
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if ((SrcSize - offset) < subcodecByteCount)
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return -1038;
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return -1039;
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suboffset = 0;
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subcodecs = &pSrcData[offset];
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@ -500,7 +518,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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while (suboffset < subcodecByteCount)
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{
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if ((subcodecByteCount - suboffset) < 13)
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return -1039;
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return -1040;
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xStart = *((UINT16*) &subcodecs[suboffset]);
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yStart = *((UINT16*) &subcodecs[suboffset + 2]);
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@ -514,16 +532,16 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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// bitmapDataByteCount, subcodecByteCount, suboffset, subcodecId);
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if ((subcodecByteCount - suboffset) < bitmapDataByteCount)
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return -1040;
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return -1041;
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nXDstRel = nXDst + xStart;
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nYDstRel = nYDst + yStart;
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if (width > nWidth)
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return -1041;
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return -1042;
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if (height > nHeight)
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return -1042;
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return -1043;
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if ((width * height * 4) > clear->TempSize)
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{
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@ -531,7 +549,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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clear->TempBuffer = (BYTE*) realloc(clear->TempBuffer, clear->TempSize);
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if (!clear->TempBuffer)
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return -1043;
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return -1044;
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}
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bitmapData = &subcodecs[suboffset];
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@ -539,7 +557,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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if (subcodecId == 0) /* Uncompressed */
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{
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if (bitmapDataByteCount != (width * height * 3))
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return -1044;
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return -1045;
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pSrcPixel8 = bitmapData;
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@ -558,7 +576,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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else if (subcodecId == 1) /* NSCodec */
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{
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if (nsc_process_message(clear->nsc, 32, width, height, bitmapData, bitmapDataByteCount) < 0)
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return -1045;
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return -1046;
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nSrcStep = width * 4;
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pSrcPixel8 = clear->nsc->BitmapData;
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@ -586,7 +604,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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bitmapDataOffset = 1 + (paletteCount * 3);
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if (paletteCount > 127)
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return -1046;
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return -1047;
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for (i = 0; i < paletteCount; i++)
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{
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@ -603,7 +621,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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while (bitmapDataOffset < bitmapDataByteCount)
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{
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if ((bitmapDataByteCount - bitmapDataOffset) < 2)
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return -1047;
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return -1048;
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stopIndex = bitmapData[bitmapDataOffset] & CLEAR_8BIT_MASKS[numBits];
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suiteDepth = (bitmapData[bitmapDataOffset] >> numBits) & CLEAR_8BIT_MASKS[(8 - numBits)];
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@ -616,7 +634,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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if (runLengthFactor >= 0xFF)
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{
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if ((bitmapDataByteCount - bitmapDataOffset) < 2)
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return -1048;
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return -1049;
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runLengthFactor = (UINT32) *((UINT16*) &bitmapData[bitmapDataOffset]);
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bitmapDataOffset += 2;
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@ -624,7 +642,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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if (runLengthFactor >= 0xFFFF)
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{
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if ((bitmapDataByteCount - bitmapDataOffset) < 4)
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return -1049;
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return -1050;
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runLengthFactor = *((UINT32*) &bitmapData[bitmapDataOffset]);
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bitmapDataOffset += 4;
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@ -632,16 +650,16 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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}
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if (startIndex >= paletteCount)
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return -1050;
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return -1051;
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if (stopIndex >= paletteCount)
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return -1051;
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return -1052;
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suiteIndex = startIndex;
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color = palette[suiteIndex];
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if ((pixelIndex + runLengthFactor) > pixelCount)
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return -1052;
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return -1053;
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for (i = 0; i < runLengthFactor; i++)
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{
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@ -652,7 +670,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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pixelIndex += runLengthFactor;
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if ((pixelIndex + (suiteDepth + 1)) > pixelCount)
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return -1053;
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return -1054;
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for (i = 0; i <= suiteDepth; i++)
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{
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@ -668,7 +686,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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pDstPixel8 = &pDstData[(nYDstRel * nDstStep) + (nXDstRel * 4)];
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if (pixelIndex != pixelCount)
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return -1054;
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return -1055;
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for (y = 0; y < height; y++)
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{
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@ -680,7 +698,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
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}
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else
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{
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||||
return -1055;
|
||||
return -1056;
|
||||
}
|
||||
|
||||
suboffset += bitmapDataByteCount;
|
||||
|
|
@ -691,18 +709,24 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
|
|||
|
||||
if (glyphFlags & CLEARCODEC_FLAG_GLYPH_INDEX)
|
||||
{
|
||||
/**
|
||||
* Copy decompressed bitmap to the Decompressor Glyph
|
||||
* Storage position specified by the glyphIndex field
|
||||
*/
|
||||
glyphEntry = &(clear->GlyphCache[glyphIndex]);
|
||||
|
||||
if (!clear->GlyphCache[glyphIndex])
|
||||
clear->GlyphCache[glyphIndex] = (BYTE*) malloc(1024 * 1024 * 4);
|
||||
glyphEntry->count = nWidth * nHeight;
|
||||
|
||||
glyphData = clear->GlyphCache[glyphIndex];
|
||||
if (glyphEntry->count > glyphEntry->size)
|
||||
{
|
||||
glyphEntry->size = glyphEntry->count;
|
||||
|
||||
if (!glyphData)
|
||||
return -1056;
|
||||
if (!glyphEntry->pixels)
|
||||
glyphEntry->pixels = (UINT32*) malloc(glyphEntry->size * 4);
|
||||
else
|
||||
glyphEntry->pixels = (UINT32*) realloc(glyphEntry->pixels, glyphEntry->size * 4);
|
||||
}
|
||||
|
||||
if (!glyphEntry->pixels)
|
||||
return -1057;
|
||||
|
||||
glyphData = (BYTE*) glyphEntry->pixels;
|
||||
|
||||
nSrcStep = nWidth * 4;
|
||||
pDstPixel8 = glyphData;
|
||||
|
|
@ -717,7 +741,7 @@ int clear_decompress(CLEAR_CONTEXT* clear, BYTE* pSrcData, UINT32 SrcSize,
|
|||
}
|
||||
|
||||
if (offset != SrcSize)
|
||||
return -1057;
|
||||
return -1058;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
|
@ -751,7 +775,7 @@ CLEAR_CONTEXT* clear_context_new(BOOL Compressor)
|
|||
|
||||
nsc_context_set_pixel_format(clear->nsc, RDP_PIXEL_FORMAT_R8G8B8);
|
||||
|
||||
clear->TempSize = 1024 * 1024 * 4;
|
||||
clear->TempSize = 512 * 512 * 4;
|
||||
clear->TempBuffer = (BYTE*) malloc(clear->TempSize);
|
||||
|
||||
clear_context_reset(clear);
|
||||
|
|
@ -772,7 +796,7 @@ void clear_context_free(CLEAR_CONTEXT* clear)
|
|||
free(clear->TempBuffer);
|
||||
|
||||
for (i = 0; i < 4000; i++)
|
||||
free(clear->GlyphCache[i]);
|
||||
free(clear->GlyphCache[i].pixels);
|
||||
|
||||
for (i = 0; i < 32768; i++)
|
||||
free(clear->VBarStorage[i].pixels);
|
||||
|
|
|
|||
Loading…
Reference in New Issue