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author | Allen Byrne <byrn@hdfgroup.org> | 2020-10-01 14:04:36 (GMT) |
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committer | Allen Byrne <byrn@hdfgroup.org> | 2020-10-01 14:04:36 (GMT) |
commit | f1ba03cea5b82699a984c80bd2deac14fdc8df18 (patch) | |
tree | ebe777c3e0b83f4c4cec9212731da9ebe0a0cfd3 /hl/tools/gif2h5/gif2mem.c | |
parent | 10343c197906415388f2a4c8d292e21d25cf7381 (diff) | |
download | hdf5-f1ba03cea5b82699a984c80bd2deac14fdc8df18.zip hdf5-f1ba03cea5b82699a984c80bd2deac14fdc8df18.tar.gz hdf5-f1ba03cea5b82699a984c80bd2deac14fdc8df18.tar.bz2 |
Source formatted
Diffstat (limited to 'hl/tools/gif2h5/gif2mem.c')
-rw-r--r-- | hl/tools/gif2h5/gif2mem.c | 181 |
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); } } } |