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Diffstat (limited to 'hl/tools/gif2h5/gifread.c')
-rw-r--r--hl/tools/gif2h5/gifread.c92
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 */
generated by cgit v0.12 at 2024-07-09 08:00:19 (GMT)