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Diffstat (limited to 'hl/tools/gif2h5/gif2mem.c')
-rw-r--r--hl/tools/gif2h5/gif2mem.c181
1 files changed, 87 insertions, 94 deletions
diff --git a/hl/tools/gif2h5/gif2mem.c b/hl/tools/gif2h5/gif2mem.c
index ae0a113..b1ea718 100644
--- a/hl/tools/gif2h5/gif2mem.c
+++ b/hl/tools/gif2h5/gif2mem.c
@@ -42,29 +42,29 @@ Gif2Mem(GIFBYTE *MemGif, GIFTOMEM *GifMemoryStruct)
* The gif structure outline for passing data to memory is given in gif.h.
* These pointers are redunant, should take them out in ver. 2
*/
- GIFHEAD *gifHead; /* GIF Header structure */
- GIFIMAGEDESC **gifImageDesc; /* Logical Image Descriptor struct */
- GIFPLAINTEXT **gifPlainText; /* Plain Text Extension structure */
- GIFAPPLICATION **gifApplication; /* Application Extension structure */
- GIFCOMMENT **gifComment; /* Comment Extension structure */
+ GIFHEAD * gifHead; /* GIF Header structure */
+ GIFIMAGEDESC ** gifImageDesc; /* Logical Image Descriptor struct */
+ GIFPLAINTEXT ** gifPlainText; /* Plain Text Extension structure */
+ GIFAPPLICATION ** gifApplication; /* Application Extension structure */
+ GIFCOMMENT ** gifComment; /* Comment Extension structure */
GIFGRAPHICCONTROL **gifGraphicControl; /* Graphic Control Extension strct */
- register GIFWORD i; /* Loop counter */
- GIFBYTE Identifier; /* Extension block identifier holder */
- GIFBYTE Label; /* Extension block label holder */
- GIFBYTE ImageCount; /* Count of the number of images in the file */
- GIFBYTE ImageArray; /* Keep the size of the array to store Images */
- GIFBYTE CommentCount;
- GIFBYTE CommentArray;
- GIFBYTE ApplicationCount;
- GIFBYTE ApplicationArray;
- GIFBYTE PlainTextCount;
- GIFBYTE PlainTextArray;
- GIFBYTE GCEflag;
- GIFBYTE aTemp;
- GIFBYTE j;
- GIFBYTE w; /* Two more variables needed only while testing */
- GIFBYTE *b; /* Endian Ordering */
+ register GIFWORD i; /* Loop counter */
+ GIFBYTE Identifier; /* Extension block identifier holder */
+ GIFBYTE Label; /* Extension block label holder */
+ GIFBYTE ImageCount; /* Count of the number of images in the file */
+ GIFBYTE ImageArray; /* Keep the size of the array to store Images */
+ GIFBYTE CommentCount;
+ GIFBYTE CommentArray;
+ GIFBYTE ApplicationCount;
+ GIFBYTE ApplicationArray;
+ GIFBYTE PlainTextCount;
+ GIFBYTE PlainTextArray;
+ GIFBYTE GCEflag;
+ GIFBYTE aTemp;
+ GIFBYTE j;
+ GIFBYTE w; /* Two more variables needed only while testing */
+ GIFBYTE * b; /* Endian Ordering */
/* Allocate memory for the GIF structures */
/* Plug the structs into GifMemoryStruct at the end */
@@ -89,8 +89,8 @@ Gif2Mem(GIFBYTE *MemGif, GIFTOMEM *GifMemoryStruct)
/******************************/
/* Carry out Endian Testing and set Endian Order */
- w = 0x0001;
- b = (GIFBYTE *) &w;
+ w = 0x0001;
+ b = (GIFBYTE *)&w;
EndianOrder = (b[0] ? 1 : 0);
/* Read the GIF image file header information */
@@ -103,22 +103,22 @@ Gif2Mem(GIFBYTE *MemGif, GIFTOMEM *GifMemoryStruct)
fputs("GIFHEAD: Error reading header information!\n", stderr);
exit(EXIT_FAILURE);
}
-#endif /* 0 */
+#endif /* 0 */
/*
* Identify, read, and display block information.
*/
- ImageCount = ImageArray = 0;
- CommentCount = CommentArray = 0;
+ ImageCount = ImageArray = 0;
+ CommentCount = CommentArray = 0;
ApplicationCount = ApplicationArray = 0;
- PlainTextCount = PlainTextArray = 0;
- GCEflag = 0;
+ PlainTextCount = PlainTextArray = 0;
+ GCEflag = 0;
for (;;) {
Identifier = *MemGif++;
switch (Identifier) {
- case 0x3B: /* Trailer */
+ case 0x3B: /* Trailer */
/*
* The counts are stored to make it easier while putting stuff
* into the HDF file and then deallocating space.
@@ -129,17 +129,17 @@ Gif2Mem(GIFBYTE *MemGif, GIFTOMEM *GifMemoryStruct)
gifHead->PlainTextCount = PlainTextCount;
/* putting stuff into the gif2mem structure */
- GifMemoryStruct->GifHeader = gifHead;
- GifMemoryStruct->GifImageDesc = gifImageDesc;
- GifMemoryStruct->GifPlainTextExtension = gifPlainText;
- GifMemoryStruct->GifApplicationExtension = gifApplication;
- GifMemoryStruct->GifCommentExtension = gifComment;
+ GifMemoryStruct->GifHeader = gifHead;
+ GifMemoryStruct->GifImageDesc = gifImageDesc;
+ GifMemoryStruct->GifPlainTextExtension = gifPlainText;
+ GifMemoryStruct->GifApplicationExtension = gifApplication;
+ GifMemoryStruct->GifCommentExtension = gifComment;
GifMemoryStruct->GifGraphicControlExtension = gifGraphicControl;
/* return the struct */
return 0;
- case 0x2C: /* Image Descriptor */
+ case 0x2C: /* Image Descriptor */
/*
* If there was no image descriptor before this increase image
* count. If an imagedescriptor was present, reset GCEflag
@@ -150,40 +150,37 @@ Gif2Mem(GIFBYTE *MemGif, GIFTOMEM *GifMemoryStruct)
GCEflag = 0;
if (ImageCount > ImageArray) {
- aTemp = ImageArray;
+ aTemp = ImageArray;
ImageArray = (GIFBYTE)((ImageArray << 1) + 1);
- if (!(gifImageDesc = (GIFIMAGEDESC **)realloc(gifImageDesc,
- sizeof(GIFIMAGEDESC *) * ImageArray))) {
+ if (!(gifImageDesc =
+ (GIFIMAGEDESC **)realloc(gifImageDesc, sizeof(GIFIMAGEDESC *) * ImageArray))) {
printf("Out of memory!");
exit(EXIT_FAILURE);
}
if (!(gifGraphicControl = (GIFGRAPHICCONTROL **)realloc(
- gifGraphicControl,
- sizeof(GIFGRAPHICCONTROL *) * ImageArray))) {
+ gifGraphicControl, sizeof(GIFGRAPHICCONTROL *) * ImageArray))) {
printf("Out of memory!");
exit(EXIT_FAILURE);
}
- for (j = aTemp ; j < ImageArray ; j++) {
+ for (j = aTemp; j < ImageArray; j++) {
gifGraphicControl[j] = NULL;
- gifImageDesc[j] = NULL;
+ gifImageDesc[j] = NULL;
}
}
- if(!(gifImageDesc[ImageCount-1] = (GIFIMAGEDESC*)malloc(sizeof(GIFIMAGEDESC)))) {
+ if (!(gifImageDesc[ImageCount - 1] = (GIFIMAGEDESC *)malloc(sizeof(GIFIMAGEDESC)))) {
printf("Out of memory!");
exit(EXIT_FAILURE);
}
-
- if (ReadGifImageDesc(gifImageDesc[ImageCount-1], &MemGif) == -1)
+ if (ReadGifImageDesc(gifImageDesc[ImageCount - 1], &MemGif) == -1)
fputs("Error reading Image Descriptor information\n", stderr);
/* Decompress the Image */
- gifImageDesc[ImageCount-1]->Image = Decompress(gifImageDesc[ImageCount-1],
- gifHead);
- free(gifImageDesc[ImageCount-1]->GIFImage);
+ gifImageDesc[ImageCount - 1]->Image = Decompress(gifImageDesc[ImageCount - 1], gifHead);
+ free(gifImageDesc[ImageCount - 1]->GIFImage);
/*
* Convert the local palette into an HDF compatible palette In
@@ -191,150 +188,146 @@ Gif2Mem(GIFBYTE *MemGif, GIFTOMEM *GifMemoryStruct)
* the HDFPalette If it is absent the global table is written
* as the HDFPalette.
*/
- if (!((gifImageDesc[ImageCount-1]->PackedField) & 0x80)) {
+ if (!((gifImageDesc[ImageCount - 1]->PackedField) & 0x80)) {
/* Check to see if the global color table exists.... */
if (gifHead->PackedField & 0x80) {
- for (i=0 ; i<gifHead->TableSize ; i++) {
- gifImageDesc[ImageCount-1]->HDFPalette[i][0] =
- gifHead->HDFPalette[i][0];
- gifImageDesc[ImageCount-1]->HDFPalette[i][1] =
- gifHead->HDFPalette[i][1];
- gifImageDesc[ImageCount-1]->HDFPalette[i][2] =
- gifHead->HDFPalette[i][2];
+ for (i = 0; i < gifHead->TableSize; i++) {
+ gifImageDesc[ImageCount - 1]->HDFPalette[i][0] = gifHead->HDFPalette[i][0];
+ gifImageDesc[ImageCount - 1]->HDFPalette[i][1] = gifHead->HDFPalette[i][1];
+ gifImageDesc[ImageCount - 1]->HDFPalette[i][2] = gifHead->HDFPalette[i][2];
}
}
- gifImageDesc[ImageCount-1]->TableSize = gifHead->TableSize;
+ gifImageDesc[ImageCount - 1]->TableSize = gifHead->TableSize;
}
break;
- case 0x21: /* Extension Block */
- Label = *MemGif++;
+ case 0x21: /* Extension Block */
+ Label = *MemGif++;
- switch (Label) {
- case 0x01: /* Plain Text Extension */
+ switch (Label) {
+ case 0x01: /* Plain Text Extension */
puts("Plain Text Extension\n");
PlainTextCount++;
if (PlainTextCount > PlainTextArray)
PlainTextArray = (GIFBYTE)((PlainTextArray << 1) + 1);
- if (!(gifPlainText = (GIFPLAINTEXT **)realloc(gifPlainText , sizeof(GIFPLAINTEXT *) * PlainTextArray))) {
+ if (!(gifPlainText = (GIFPLAINTEXT **)realloc(gifPlainText, sizeof(GIFPLAINTEXT *) *
+ PlainTextArray))) {
printf("Out of memory!");
exit(EXIT_FAILURE);
}
- if(!(gifPlainText[PlainTextCount - 1] = (GIFPLAINTEXT*)malloc(sizeof(GIFPLAINTEXT)))) {
+ if (!(gifPlainText[PlainTextCount - 1] =
+ (GIFPLAINTEXT *)malloc(sizeof(GIFPLAINTEXT)))) {
printf("Out of memory!");
exit(EXIT_FAILURE);
}
if (ReadGifPlainText(gifPlainText[PlainTextCount - 1], &MemGif))
- fprintf(stderr,
- "Error reading Plain Text Extension information.\n");
+ fprintf(stderr, "Error reading Plain Text Extension information.\n");
break;
- case 0xFE: /* Comment Extension */
+ case 0xFE: /* Comment Extension */
CommentCount++;
if (CommentCount > CommentArray)
CommentArray = (GIFBYTE)((CommentArray << 1) + 1);
- if (!(gifComment = (GIFCOMMENT **)realloc(gifComment , sizeof(GIFCOMMENT *) * CommentArray))) {
+ if (!(gifComment =
+ (GIFCOMMENT **)realloc(gifComment, sizeof(GIFCOMMENT *) * CommentArray))) {
printf("Out of memory!");
exit(EXIT_FAILURE);
}
- if(!(gifComment[CommentCount - 1] = (GIFCOMMENT *)malloc(sizeof(GIFCOMMENT)))) {
+ if (!(gifComment[CommentCount - 1] = (GIFCOMMENT *)malloc(sizeof(GIFCOMMENT)))) {
printf("Out of memory!");
exit(EXIT_FAILURE);
}
-
if (ReadGifComment(gifComment[CommentCount - 1], &MemGif))
- fprintf(stderr,
- "Error reading Comment Extension information\n");
+ fprintf(stderr, "Error reading Comment Extension information\n");
break;
- case 0xF9: /* Graphic Control Extension */
- if (GCEflag == 0 )
+ case 0xF9: /* Graphic Control Extension */
+ if (GCEflag == 0)
ImageCount++;
GCEflag = 1;
if (ImageCount > ImageArray) {
- aTemp = ImageArray;
+ aTemp = ImageArray;
ImageArray = (GIFBYTE)((ImageArray << 1) + 1);
- if (!(gifGraphicControl = (GIFGRAPHICCONTROL **)realloc(gifGraphicControl , sizeof(GIFGRAPHICCONTROL *) * ImageArray))) {
+ if (!(gifGraphicControl = (GIFGRAPHICCONTROL **)realloc(
+ gifGraphicControl, sizeof(GIFGRAPHICCONTROL *) * ImageArray))) {
printf("Out of memory!");
exit(EXIT_FAILURE);
}
- if (!(gifImageDesc = (GIFIMAGEDESC **)realloc(gifImageDesc , sizeof(GIFIMAGEDESC *) * ImageArray))) {
+ if (!(gifImageDesc = (GIFIMAGEDESC **)realloc(
+ gifImageDesc, sizeof(GIFIMAGEDESC *) * ImageArray))) {
printf("Out of memory!");
exit(EXIT_FAILURE);
}
- for (j = aTemp ; j < ImageArray ; j++) {
+ for (j = aTemp; j < ImageArray; j++) {
gifGraphicControl[j] = NULL;
gifImageDesc[j] = NULL;
}
}
- if(!(gifGraphicControl[ImageCount-1] = (GIFGRAPHICCONTROL*)malloc(sizeof(GIFGRAPHICCONTROL)))) {
+ if (!(gifGraphicControl[ImageCount - 1] =
+ (GIFGRAPHICCONTROL *)malloc(sizeof(GIFGRAPHICCONTROL)))) {
printf("Out of memory!");
exit(EXIT_FAILURE);
}
-
- if (ReadGifGraphicControl(gifGraphicControl[ImageCount-1], &MemGif))
- fprintf(stderr,
- "Error reading Graphic Control Extension information\n");
+ if (ReadGifGraphicControl(gifGraphicControl[ImageCount - 1], &MemGif))
+ fprintf(stderr, "Error reading Graphic Control Extension information\n");
(*MemGif)++;
if ((!*MemGif) == 0)
- fprintf(stderr,
- "Error reading Graphic Control Extension\n");
+ fprintf(stderr, "Error reading Graphic Control Extension\n");
break;
- case 0xFF: /* Application Extension */
+ case 0xFF: /* Application Extension */
ApplicationCount++;
if (ApplicationCount > ApplicationArray)
ApplicationArray = (GIFBYTE)((ApplicationArray << 1) + 1);
- if (!(gifApplication = (GIFAPPLICATION **)realloc(gifApplication , sizeof(GIFAPPLICATION *) * ApplicationArray))) {
+ if (!(gifApplication = (GIFAPPLICATION **)realloc(
+ gifApplication, sizeof(GIFAPPLICATION *) * ApplicationArray))) {
printf("Out of memory!");
exit(EXIT_FAILURE);
}
- if(!(gifApplication[ApplicationCount - 1] = (GIFAPPLICATION *)malloc(sizeof(GIFAPPLICATION)))) {
+ if (!(gifApplication[ApplicationCount - 1] =
+ (GIFAPPLICATION *)malloc(sizeof(GIFAPPLICATION)))) {
printf("Out of memory!");
exit(EXIT_FAILURE);
}
-
if (ReadGifApplication(gifApplication[ApplicationCount - 1], &MemGif))
- fprintf(stderr,
- "Error reading Application Extension information\n");
+ fprintf(stderr, "Error reading Application Extension information\n");
break;
default:
printf("Unknown Extension Label: %#02x\n", Label);
break;
- }
+ }
- break;
+ break;
default:
- fprintf(stderr,
- "Unknown Block Separator Character: %#02x\n", Identifier);
+ fprintf(stderr, "Unknown Block Separator Character: %#02x\n", Identifier);
}
}
}
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