From: Marcus Boerger <helly@php.net>
Date: Mon, 18 Nov 2002 16:50:10 +0000 (+0000)
Subject: Added colordepth for png
X-Git-Tag: RELEASE_1_0b2~148
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a3d821c69551851ae9be8203897b1d4c02d74ff8;p=php

Added colordepth for png
---

diff --git a/ext/standard/image.c b/ext/standard/image.c
index a2edc7c820..aef0a27a99 100644
--- a/ext/standard/image.c
+++ b/ext/standard/image.c
@@ -276,7 +276,15 @@ static struct gfxinfo *php_handle_swf (php_stream * stream TSRMLS_DC)
 static struct gfxinfo *php_handle_png (php_stream * stream TSRMLS_DC)
 {
 	struct gfxinfo *result = NULL;
-	unsigned char dim[8];
+	unsigned char dim[9];
+/* Width:              4 bytes
+ * Height:             4 bytes
+ * Bit depth:          1 byte
+ * Color type:         1 byte
+ * Compression method: 1 byte
+ * Filter method:      1 byte
+ * Interlace method:   1 byte
+ */
 
 	if (php_stream_seek(stream, 8, SEEK_CUR))
 		return NULL;
@@ -287,6 +295,7 @@ static struct gfxinfo *php_handle_png (php_stream * stream TSRMLS_DC)
 	result = (struct gfxinfo *) ecalloc(1, sizeof(struct gfxinfo));
 	result->width  = (((unsigned int)dim[0]) << 24) + (((unsigned int)dim[1]) << 16) + (((unsigned int)dim[2]) << 8) + ((unsigned int)dim[3]);
 	result->height = (((unsigned int)dim[4]) << 24) + (((unsigned int)dim[5]) << 16) + (((unsigned int)dim[6]) << 8) + ((unsigned int)dim[7]);
+	result->bits   = (unsigned int)dim[8];
 	return result;
 }
 /* }}} */