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Diffstat (limited to 'Build/source/texk/web2c/luatexdir/image/writepng.c')
-rw-r--r--Build/source/texk/web2c/luatexdir/image/writepng.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/Build/source/texk/web2c/luatexdir/image/writepng.c b/Build/source/texk/web2c/luatexdir/image/writepng.c
index 7f1269d9943..d431b3b7ed1 100644
--- a/Build/source/texk/web2c/luatexdir/image/writepng.c
+++ b/Build/source/texk/web2c/luatexdir/image/writepng.c
@@ -433,13 +433,16 @@ static int spng_getint(FILE * fp)
void copy_png(image_dict * idict)
{
- assert(idict != NULL);
- png_structp png_p = img_png_png_ptr(idict);
- png_infop info_p = img_png_info_ptr(idict);
- FILE *fp = (FILE *) png_p->io_ptr;
+ png_structp png_p;
+ png_infop info_p;
+ FILE *fp;
int i, len, type, streamlength = 0;
boolean endflag = false;
int idat = 0; /* flag to check continuous IDAT chunks sequence */
+ assert(idict != NULL);
+ png_p = img_png_png_ptr(idict);
+ info_p = img_png_info_ptr(idict);
+ fp = (FILE *) png_p->io_ptr;
/* 1st pass to find overall stream /Length */
if (fseek(fp, 8, SEEK_SET) != 0)
pdftex_fail("writepng: fseek in PNG file failed");
@@ -518,12 +521,14 @@ void write_png(image_dict * idict)
double gamma, checked_gamma;
int i;
integer palette_objnum = 0;
+ png_structp png_p;
+ png_infop info_p;
assert(idict != NULL);
if (img_file(idict) == NULL)
reopen_png(idict);
assert(img_png_ptr(idict) != NULL);
- png_structp png_p = img_png_png_ptr(idict);
- png_infop info_p = img_png_info_ptr(idict);
+ png_p = img_png_png_ptr(idict);
+ info_p = img_png_info_ptr(idict);
if (fixed_pdf_minor_version < 5)
fixed_image_hicolor = 0;
pdf_puts("/Type /XObject\n/Subtype /Image\n");