1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
#include "php_gd.h"
#define CTX_PUTC(c,ctx) ctx->putC(ctx, c)
static void _php_image_output_putc(struct gdIOCtx *ctx, int c)
{
php_write(&c, 1);
}
static int _php_image_output_putbuf(struct gdIOCtx *ctx, const void* buf, int l)
{
return php_write((void *)buf, l);
}
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)) {
php_error(E_WARNING, "%s: invalid filename '%s'", get_active_function_name(TSRMLS_C), fn);
RETURN_FALSE;
}
fp = VCWD_FOPEN(fn, "wb");
if (!fp) {
php_error(E_WARNING, "%s: unable to open '%s' for writing", get_active_function_name(TSRMLS_C), 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(E_WARNING, "%s: invalid threshold value '%d'. It must be between 0 and 255",get_active_function_name(TSRMLS_C), 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;
}
|
