diff options
Diffstat (limited to 'ext/gd/libgd/gd_gd.c')
| -rw-r--r-- | ext/gd/libgd/gd_gd.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/ext/gd/libgd/gd_gd.c b/ext/gd/libgd/gd_gd.c deleted file mode 100644 index 45b6492312..0000000000 --- a/ext/gd/libgd/gd_gd.c +++ /dev/null @@ -1,272 +0,0 @@ - -#include <stdio.h> -#include <math.h> -#include <string.h> -#include <stdlib.h> -#include "gd.h" - -#define TRUE 1 -#define FALSE 0 - -/* Exported functions: */ -extern void gdImageGd (gdImagePtr im, FILE * out); - - -/* Use this for commenting out debug-print statements. */ -/* Just use the first '#define' to allow all the prints... */ -/*#define GD2_DBG(s) (s) */ -#define GD2_DBG(s) - -/* */ -/* Shared code to read color tables from gd file. */ -/* */ -int -_gdGetColors (gdIOCtx * in, gdImagePtr im, int gd2xFlag) -{ - int i; - if (gd2xFlag) - { - if (!gdGetByte (&im->trueColor, in)) - { - goto fail1; - } - /* This should have been a word all along */ - if (!im->trueColor) - { - if (!gdGetWord (&im->colorsTotal, in)) - { - goto fail1; - } - } - /* Int to accommodate truecolor single-color transparency */ - if (!gdGetInt (&im->transparent, in)) - { - goto fail1; - } - } - else - { - if (!gdGetByte (&im->colorsTotal, in)) - { - goto fail1; - } - if (!gdGetWord (&im->transparent, in)) - { - goto fail1; - } - if (im->transparent == 257) - { - im->transparent = (-1); - } - } - GD2_DBG (printf ("Pallette had %d colours (T=%d)\n", im->colorsTotal, im->transparent)); - - for (i = 0; (i < gdMaxColors); i++) - { - if (!gdGetByte (&im->red[i], in)) - { - goto fail1; - } - if (!gdGetByte (&im->green[i], in)) - { - goto fail1; - } - if (!gdGetByte (&im->blue[i], in)) - { - goto fail1; - } - if (gd2xFlag) - { - if (!gdGetByte (&im->alpha[i], in)) - { - goto fail1; - } - } - } - - for (i = 0; (i < im->colorsTotal); i++) - { - im->open[i] = 0; - }; - - return TRUE; -fail1: - return FALSE; -} - -/* */ -/* Use the common basic header info to make the image object. */ -/* This is also called from _gd2CreateFromFile */ -/* */ -static - gdImagePtr -_gdCreateFromFile (gdIOCtx * in, int *sx, int *sy) -{ - gdImagePtr im; - int gd2xFlag = 0; - if (!gdGetWord (sx, in)) - { - goto fail1; - } - if (*sx == 65535) - { - /* This is a gd 2.0 .gd file */ - gd2xFlag = 1; - if (!gdGetWord (sx, in)) - { - goto fail1; - } - } - if (!gdGetWord (sy, in)) - { - goto fail1; - } - - GD2_DBG (printf ("Image is %dx%d\n", *sx, *sy)); - - im = gdImageCreate (*sx, *sy); - - if (!_gdGetColors (in, im, gd2xFlag)) - { - goto fail2; - } - - return im; -fail2: - gdImageDestroy (im); -fail1: - return 0; -} - -gdImagePtr -gdImageCreateFromGd (FILE * inFile) -{ - gdImagePtr im; - gdIOCtx *in; - - in = gdNewFileCtx (inFile); - im = gdImageCreateFromGdCtx (in); - - in->free (in); - - return im; -} - -gdImagePtr -gdImageCreateFromGdCtx (gdIOCtxPtr in) -{ - int sx, sy; - int x, y; - gdImagePtr im; - - /* Read the header */ - im = _gdCreateFromFile (in, &sx, &sy); - - if (im == NULL) - { - goto fail1; - }; - - /* Then the data... */ - for (y = 0; (y < sy); y++) - { - for (x = 0; (x < sx); x++) - { - int ch; - ch = gdGetC (in); - if (ch == EOF) - { - goto fail2; - } - /* ROW-MAJOR IN GD 1.3 */ - im->pixels[y][x] = ch; - } - } - - return im; - -fail2: - gdImageDestroy (im); -fail1: - return 0; -} - -void -_gdPutColors (gdImagePtr im, gdIOCtx * out) -{ - int i; - int trans; - - gdPutC (im->trueColor, out); - if (!im->trueColor) - { - gdPutWord (im->colorsTotal, out); - } - gdPutInt (im->transparent, out); - if (!im->trueColor) - { - for (i = 0; (i < gdMaxColors); i++) - { - gdPutC ((unsigned char) im->red[i], out); - gdPutC ((unsigned char) im->green[i], out); - gdPutC ((unsigned char) im->blue[i], out); - gdPutC ((unsigned char) im->alpha[i], out); - } - } -} - -static -void -_gdPutHeader (gdImagePtr im, gdIOCtx * out) -{ - /* 65535 indicates this is a gd 2.x .gd file. */ - gdPutWord (65535, out); - gdPutWord (im->sx, out); - gdPutWord (im->sy, out); - - _gdPutColors (im, out); - -} - -static void -_gdImageGd (gdImagePtr im, gdIOCtx * out) -{ - int x, y; - - _gdPutHeader (im, out); - - for (y = 0; (y < im->sy); y++) - { - for (x = 0; (x < im->sx); x++) - { - /* ROW-MAJOR IN GD 1.3 */ - if (im->trueColor) - { - gdPutInt (im->tpixels[y][x], out); - } - else - { - gdPutC ((unsigned char) im->pixels[y][x], out); - } - } - } -} - -void -gdImageGd (gdImagePtr im, FILE * outFile) -{ - gdIOCtx *out = gdNewFileCtx (outFile); - _gdImageGd (im, out); - out->free (out); -} - -void * -gdImageGdPtr (gdImagePtr im, int *size) -{ - void *rv; - gdIOCtx *out = gdNewDynamicCtx (2048, NULL); - _gdImageGd (im, out); - rv = gdDPExtractData (out, size); - out->free (out); - return rv; -} |