diff options
Diffstat (limited to 'ext/gd/libgd/gd_gd.c')
| -rw-r--r-- | ext/gd/libgd/gd_gd.c | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/ext/gd/libgd/gd_gd.c b/ext/gd/libgd/gd_gd.c deleted file mode 100644 index 2d259cdd51..0000000000 --- a/ext/gd/libgd/gd_gd.c +++ /dev/null @@ -1,274 +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) { - int trueColorFlag; - if (!gdGetByte(&trueColorFlag, in)) { - goto fail1; - } - /* 2.0.12: detect bad truecolor .gd files created by pre-2.0.12. - * Beginning in 2.0.12 truecolor is indicated by the initial 2-byte - * signature. - */ - if (trueColorFlag != im->trueColor) { - 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)); - - if (im->trueColor) { - return TRUE; - } - - 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. */ -/* */ -static gdImagePtr _gdCreateFromFile (gdIOCtx * in, int *sx, int *sy) -{ - gdImagePtr im; - int gd2xFlag = 0; - int trueColorFlag = 0; - - if (!gdGetWord(sx, in)) { - goto fail1; - } - if (*sx == 65535 || *sx == 65534) { - /* This is a gd 2.0 .gd file */ - gd2xFlag = 1; - /* 2.0.12: 65534 signals a truecolor .gd file. There is a slight redundancy here but we can live with it. */ - if (*sx == 65534) { - trueColorFlag = 1; - } - if (!gdGetWord(sx, in)) { - goto fail1; - } - } - if (!gdGetWord(sy, in)) { - goto fail1; - } - - GD2_DBG(printf("Image is %dx%d\n", *sx, *sy)); - - if (trueColorFlag) { - im = gdImageCreateTrueColor(*sx, *sy); - } else { - 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->gd_free(in); - - return im; -} - -gdImagePtr gdImageCreateFromGdPtr (int size, void *data) -{ - gdImagePtr im; - gdIOCtx *in = gdNewDynamicCtxEx(size, data, 0); - im = gdImageCreateFromGdCtx(in); - in->gd_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... */ - /* 2.0.12: support truecolor properly in .gd as well as in .gd2. Problem reported by Andreas Pfaller. */ - if (im->trueColor) { - for (y = 0; y < sy; y++) { - for (x = 0; x < sx; x++) { - int pix; - if (!gdGetInt(&pix, in)) { - goto fail2; - } - im->tpixels[y][x] = pix; - } - } - } else { - 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; - - 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. - * 2.0.12: 65534 indicates truecolor. - */ - if (im->trueColor) { - gdPutWord(65534, out); - } else { - 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->gd_free(out); -} - -void *gdImageGdPtr (gdImagePtr im, int *size) -{ - void *rv; - gdIOCtx *out = gdNewDynamicCtx(2048, NULL); - _gdImageGd(im, out); - rv = gdDPExtractData(out, size); - out->gd_free(out); - return rv; -} |