mirror of
https://github.com/php/php-src.git
synced 2024-12-13 03:44:17 +08:00
107 lines
2.4 KiB
C
107 lines
2.4 KiB
C
#include "php_gd.h"
|
|
|
|
|
|
#define CTX_PUTC(c,ctx) ctx->putC(ctx, c)
|
|
|
|
static void _php_image_output_putc(struct gdIOCtx *ctx, int c)
|
|
{
|
|
TSRMLS_FETCH();
|
|
php_write(&c, 1 TSRMLS_CC);
|
|
}
|
|
|
|
static int _php_image_output_putbuf(struct gdIOCtx *ctx, const void* buf, int l)
|
|
{
|
|
TSRMLS_FETCH();
|
|
return php_write((void *)buf, l TSRMLS_CC);
|
|
}
|
|
|
|
static void _php_image_output_ctxfree(struct gdIOCtx *ctx)
|
|
{
|
|
if(ctx) {
|
|
efree(ctx);
|
|
}
|
|
}
|
|
|
|
static void _php_image_output_ctx(INTERNAL_FUNCTION_PARAMETERS, int image_type, char *tn, void (*func_p)())
|
|
{
|
|
zval **imgind, **file, **quality;
|
|
gdImagePtr im;
|
|
char *fn = NULL;
|
|
FILE *fp = NULL;
|
|
int argc = ZEND_NUM_ARGS();
|
|
int q = -1, i;
|
|
gdIOCtx *ctx;
|
|
|
|
/* The quality parameter for Wbmp stands for the threshold when called from image2wbmp() */
|
|
|
|
if (argc < 1 || argc > 3 || zend_get_parameters_ex(argc, &imgind, &file, &quality) == FAILURE)
|
|
{
|
|
WRONG_PARAM_COUNT;
|
|
}
|
|
|
|
ZEND_FETCH_RESOURCE(im, gdImagePtr, imgind, -1, "Image", phpi_get_le_gd());
|
|
|
|
if (argc > 1) {
|
|
convert_to_string_ex(file);
|
|
fn = Z_STRVAL_PP(file);
|
|
if (argc == 3) {
|
|
convert_to_long_ex(quality);
|
|
q = Z_LVAL_PP(quality);
|
|
}
|
|
}
|
|
|
|
if ((argc == 2) || (argc == 3 && Z_STRLEN_PP(file))) {
|
|
if (!fn || fn == empty_string || php_check_open_basedir(fn TSRMLS_CC)) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid filename '%s'", fn);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
fp = VCWD_FOPEN(fn, "wb");
|
|
if (!fp) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to open '%s' for writing", fn);
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
ctx = gdNewFileCtx(fp);
|
|
} else {
|
|
ctx = emalloc(sizeof(gdIOCtx));
|
|
ctx->putC = _php_image_output_putc;
|
|
ctx->putBuf = _php_image_output_putbuf;
|
|
ctx->free = _php_image_output_ctxfree;
|
|
|
|
#if APACHE && defined(CHARSET_EBCDIC)
|
|
/* XXX this is unlikely to work any more thies@thieso.net */
|
|
/* This is a binary file already: avoid EBCDIC->ASCII conversion */
|
|
ap_bsetflag(php3_rqst->connection->client, B_EBCDIC2ASCII, 0);
|
|
#endif
|
|
}
|
|
|
|
switch(image_type) {
|
|
case PHP_GDIMG_CONVERT_WBM:
|
|
if(q<0||q>255) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid threshold value '%d'. It must be between 0 and 255", q);
|
|
}
|
|
case PHP_GDIMG_TYPE_JPG:
|
|
(*func_p)(im, ctx, q);
|
|
break;
|
|
case PHP_GDIMG_TYPE_WBM:
|
|
for(i=0; i < gdImageColorsTotal(im); i++) {
|
|
if(gdImageRed(im, i) == 0) break;
|
|
}
|
|
(*func_p)(im, i, ctx);
|
|
break;
|
|
default:
|
|
(*func_p)(im, ctx);
|
|
break;
|
|
}
|
|
|
|
ctx->free(ctx);
|
|
|
|
if(fp) {
|
|
fflush(fp);
|
|
fclose(fp);
|
|
}
|
|
|
|
RETURN_TRUE;
|
|
}
|