diff options
Diffstat (limited to 'hl/tools/gif2h5/gifread.c')
-rw-r--r-- | hl/tools/gif2h5/gifread.c | 92 |
1 files changed, 46 insertions, 46 deletions
diff --git a/hl/tools/gif2h5/gifread.c b/hl/tools/gif2h5/gifread.c index 948e112..79671aa 100644 --- a/hl/tools/gif2h5/gifread.c +++ b/hl/tools/gif2h5/gifread.c @@ -17,33 +17,33 @@ int EndianOrder; -static BYTE *ReadDataSubBlocks(BYTE **MemGif2, WORD *DSize); +static GIFBYTE *ReadDataSubBlocks(GIFBYTE **MemGif2, GIFWORD *DSize); -WORD -GetWord(BYTE *MemGif) +GIFWORD +GetWord(GIFBYTE *MemGif) { - WORD w; + GIFWORD w; if (EndianOrder == 1) { /* LittleEndian */ - w = (WORD) (*MemGif++ & 0xFF); - w |= (WORD) ((*MemGif++ & 0xFF) << 0x08); + w = (GIFWORD) (*MemGif++ & 0xFF); + w |= (GIFWORD) ((*MemGif++ & 0xFF) << 0x08); } else { - w = (WORD) (*MemGif++ & 0xFF); - w = ((WORD) (*MemGif++ & 0xFF)) | (w << 0x08); + w = (GIFWORD) (*MemGif++ & 0xFF); + w = ((GIFWORD) (*MemGif++ & 0xFF)) | (w << 0x08); } return w; } -BYTE -GetByte(BYTE *MemGif) +GIFBYTE +GetByte(GIFBYTE *MemGif) { return *MemGif; } /* - * Read a GIF image BYTE Header. + * Read a GIF image GIFBYTE Header. * * This function reads the Header, Logical Screen Descriptor, and * Global Color Table (if any) from a GIF image file. The information @@ -54,10 +54,10 @@ GetByte(BYTE *MemGif) */ int ReadGifHeader(GIFHEAD *GifHead, /* Pointer to GIF header structure */ - BYTE **MemGif2) /* GIF image file input FILE stream */ + GIFBYTE **MemGif2) /* GIF image file input FILE stream */ { - WORD i; /* Loop counter */ - WORD tableSize; /* Number of entires in the Global Color Table */ + GIFWORD i; /* Loop counter */ + GIFWORD tableSize; /* Number of entires in the Global Color Table */ GifHead->TableSize = 0; for (i = 0 ; i < 6 ; i++) { @@ -78,7 +78,7 @@ ReadGifHeader(GIFHEAD *GifHead, /* Pointer to GIF header structure */ /* Check if a Global Color Table is present */ if (GifHead->PackedField & 0x80) { /* Read number of color table entries */ - tableSize = (WORD) (1L << ((GifHead->PackedField & 0x07) + 1)); + tableSize = (GIFWORD) (1L << ((GifHead->PackedField & 0x07) + 1)); GifHead->TableSize = tableSize; /* Read the Global Color Table */ @@ -122,13 +122,13 @@ ReadGifHeader(GIFHEAD *GifHead, /* Pointer to GIF header structure */ int ReadGifImageDesc( GIFIMAGEDESC *GifImageDesc, /* Pointer to GIF image descriptor structure */ - BYTE **MemGif2 /* GIF image file input FILE stream */ + GIFBYTE **MemGif2 /* GIF image file input FILE stream */ ) { - WORD i; /* Loop counter */ - WORD tableSize; /* Number of entries in the Local Color Table */ - /* BYTE Interlace; */ /* PackedField & 0x20 gives information on interlacing */ - BYTE *TempPtr; + GIFWORD i; /* Loop counter */ + GIFWORD tableSize; /* Number of entries in the Local Color Table */ + /* GIFBYTE Interlace; */ /* PackedField & 0x20 gives information on interlacing */ + GIFBYTE *TempPtr; int ch , ch1; GifImageDesc->TableSize = 0; @@ -145,20 +145,20 @@ ReadGifImageDesc( if (EndianOrder == 1) /* LittleEndian */ { - GifImageDesc->ImageWidth = (WORD) (GifImageDesc->GIDDump[4] & 0xFF); - GifImageDesc->ImageWidth |= (WORD) ((GifImageDesc->GIDDump[5] & 0xFF) << 0x08); + GifImageDesc->ImageWidth = (GIFWORD) (GifImageDesc->GIDDump[4] & 0xFF); + GifImageDesc->ImageWidth |= (GIFWORD) ((GifImageDesc->GIDDump[5] & 0xFF) << 0x08); - GifImageDesc->ImageHeight = (WORD) (GifImageDesc->GIDDump[6] & 0xFF); - GifImageDesc->ImageHeight |= (WORD) ((GifImageDesc->GIDDump[7] & 0xFF) << 0x08); + GifImageDesc->ImageHeight = (GIFWORD) (GifImageDesc->GIDDump[6] & 0xFF); + GifImageDesc->ImageHeight |= (GIFWORD) ((GifImageDesc->GIDDump[7] & 0xFF) << 0x08); } else { - GifImageDesc->ImageWidth = (WORD) (GifImageDesc->GIDDump[4] & 0xFF); - GifImageDesc->ImageWidth = ((WORD) (GifImageDesc->GIDDump[5] & 0xFF)) | (GifImageDesc->ImageWidth << 0x08); + GifImageDesc->ImageWidth = (GIFWORD) (GifImageDesc->GIDDump[4] & 0xFF); + GifImageDesc->ImageWidth = ((GIFWORD) (GifImageDesc->GIDDump[5] & 0xFF)) | (GifImageDesc->ImageWidth << 0x08); - GifImageDesc->ImageHeight = (WORD) (GifImageDesc->GIDDump[6] & 0xFF); - GifImageDesc->ImageHeight = ((WORD) (GifImageDesc->GIDDump[7] & 0xFF)) | (GifImageDesc->ImageWidth << 0x08); + GifImageDesc->ImageHeight = (GIFWORD) (GifImageDesc->GIDDump[6] & 0xFF); + GifImageDesc->ImageHeight = ((GIFWORD) (GifImageDesc->GIDDump[7] & 0xFF)) | (GifImageDesc->ImageWidth << 0x08); } @@ -171,7 +171,7 @@ ReadGifImageDesc( if (GifImageDesc->PackedField & 0x80) { /* Read number of color table entries */ - tableSize = (WORD) (1L << ((GifImageDesc->PackedField & 0x07) + 1)); + tableSize = (GIFWORD) (1L << ((GifImageDesc->PackedField & 0x07) + 1)); GifImageDesc->TableSize = tableSize; /* Read the Local Color Table */ for (i = 0; i < tableSize; i++) @@ -185,10 +185,10 @@ ReadGifImageDesc( /* ** Get LZW minimum Code Size */ - GifImageDesc->CodeSize = (WORD)*(*MemGif2)++; + GifImageDesc->CodeSize = (GIFWORD)*(*MemGif2)++; /*GifImageDesc->GIFImage = ReadDataSubBlocks(FpGif);*/ - if (!(GifImageDesc->GIFImage = (BYTE *)malloc((GifImageDesc->ImageWidth) * (GifImageDesc->ImageHeight)))) { + if (!(GifImageDesc->GIFImage = (GIFBYTE *)malloc((GifImageDesc->ImageWidth) * (GifImageDesc->ImageHeight)))) { printf("Out of memory"); exit(EXIT_FAILURE); } @@ -219,7 +219,7 @@ ReadGifImageDesc( int ReadGifGraphicControl( GIFGRAPHICCONTROL *GifGraphicControl, /* Pointer to GC Extension structure */ - BYTE **MemGif2 /* GIF image file input FILE stream */ + GIFBYTE **MemGif2 /* GIF image file input FILE stream */ ) { int i; @@ -244,7 +244,7 @@ ReadGifGraphicControl( int ReadGifPlainText( GIFPLAINTEXT *GifPlainText, /* Pointer to Plain Text Extension structure */ - BYTE **MemGif2 /* GIF image file input FILE stream */ + GIFBYTE **MemGif2 /* GIF image file input FILE stream */ ) { int i; @@ -283,7 +283,7 @@ ReadGifPlainText( int ReadGifApplication( GIFAPPLICATION *GifApplication, /* Pointer to Application Extension structure */ - BYTE **MemGif2 /* GIF image file input FILE stream */ + GIFBYTE **MemGif2 /* GIF image file input FILE stream */ ) { int i; @@ -321,7 +321,7 @@ ReadGifApplication( int ReadGifComment( GIFCOMMENT *GifComment, /* Pointer to GIF Comment Extension structure */ - BYTE **MemGif2 /* GIF image file input FILE stream */ + GIFBYTE **MemGif2 /* GIF image file input FILE stream */ ) { @@ -345,14 +345,14 @@ ReadGifComment( ** Returns: A NULL pointer if a memory allocation error occured, ** otherwise a valid pointer if no error occured. */ -static BYTE * -ReadDataSubBlocks(BYTE **MemGif2, /* GIF image file input FILE stream */ - WORD *DSize) +static GIFBYTE * +ReadDataSubBlocks(GIFBYTE **MemGif2, /* GIF image file input FILE stream */ + GIFWORD *DSize) { - BYTE *ptr1; /* Pointer used to "walk the heap" */ - BYTE *ptr2; /* Pointer used to mark the top of the heap */ - BYTE dataSize; /* Size of the current data sub-block being read */ - WORD bufSize; /* Total size of the Plain Text data buffer */ + GIFBYTE *ptr1; /* Pointer used to "walk the heap" */ + GIFBYTE *ptr2; /* Pointer used to mark the top of the heap */ + GIFBYTE dataSize; /* Size of the current data sub-block being read */ + GIFWORD bufSize; /* Total size of the Plain Text data buffer */ int tempcount = 0; bufSize = 0; /* The output buffer is empty */ @@ -360,9 +360,9 @@ ReadDataSubBlocks(BYTE **MemGif2, /* GIF image file input FILE stream dataSize = *(*MemGif2)++; /* Get the size of the first sub-block */ /* Allocate initial data buffer */ - if (!(ptr1 = ptr2 = (BYTE *) malloc((size_t)dataSize + 1))) { + if (!(ptr1 = ptr2 = (GIFBYTE *) malloc((size_t)dataSize + 1))) { printf("Out of memory. Allocation of memory for data sub-blocks for\neither Comment, Plain Text or Application Extensions failed"); - return((BYTE *) NULL); + return((GIFBYTE *) NULL); } for (;;) { @@ -381,8 +381,8 @@ ReadDataSubBlocks(BYTE **MemGif2, /* GIF image file input FILE stream break; /* Block Terminator encountered */ /* Increase the buffer size to accomodate the next sub-block */ - if (!(ptr1 = ptr2 = (BYTE *) realloc(ptr2, bufSize + dataSize + 1))) - return((BYTE *) NULL); + if (!(ptr1 = ptr2 = (GIFBYTE *) realloc(ptr2, bufSize + dataSize + 1))) + return((GIFBYTE *) NULL); ptr1 += bufSize; /* Move pointer to the end of the data */ |