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authorHan The Thanh <hanthethanh@gmail.com>2010-04-16 10:39:02 +0000
committerHan The Thanh <hanthethanh@gmail.com>2010-04-16 10:39:02 +0000
commit1a4eb7d7de2042c12e223a2eb31bc016de246561 (patch)
treede1e1b8f9a605b6528712675291c752a3f75f3ed /Build
parent3ba06bc5a98bfc651ab7ec896205727f7373045d (diff)
minor fixes for pdftex
git-svn-id: svn://tug.org/texlive/trunk@17892 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build')
-rw-r--r--Build/source/texk/web2c/pdftexdir/image.h1
-rw-r--r--Build/source/texk/web2c/pdftexdir/pdftoepdf.cc15
-rw-r--r--Build/source/texk/web2c/pdftexdir/writeimg.c1
-rw-r--r--Build/source/texk/web2c/pdftexdir/writepng.c74
4 files changed, 49 insertions, 42 deletions
diff --git a/Build/source/texk/web2c/pdftexdir/image.h b/Build/source/texk/web2c/pdftexdir/image.h
index 9365d128716..e54145c0582 100644
--- a/Build/source/texk/web2c/pdftexdir/image.h
+++ b/Build/source/texk/web2c/pdftexdir/image.h
@@ -109,7 +109,6 @@ extern void write_epdf(void);
extern void epdf_delete(void);
extern void read_png_info(integer);
extern void write_png(integer);
-extern void write_additional_png_objects(void);
extern void read_jpg_info(integer);
extern void write_jpg(integer);
extern void read_jbig2_info(integer);
diff --git a/Build/source/texk/web2c/pdftexdir/pdftoepdf.cc b/Build/source/texk/web2c/pdftexdir/pdftoepdf.cc
index d1da80bb3cc..fd1b5365cb5 100644
--- a/Build/source/texk/web2c/pdftexdir/pdftoepdf.cc
+++ b/Build/source/texk/web2c/pdftexdir/pdftoepdf.cc
@@ -447,13 +447,22 @@ static void copyFontResources(Object * obj)
static void copyOtherResources(Object * obj, char *key)
{
// copies all other resources (write_epdf handles Fonts and ProcSets),
- // but gives a warning if an object is not a dictionary.
- if (!obj->isDict())
+ // if Subtype is present, it must be a name
+ if (strcmp("Subtype", key) == 0) {
+ if (!obj->isName()) {
+ pdftex_warn("PDF inclusion: Subtype in Resources dict is not a name"
+ " (key '%s', type <%s>); ignored.",
+ key, obj->getTypeName());
+ return;
+ }
+ } else if (!obj->isDict()) {
//FIXME: Write the message only to the log file
pdftex_warn("PDF inclusion: invalid other resource which is no dict"
- " (key '%s', type <%s>); copying it anyway.",
+ " (key '%s', type <%s>); ignored.",
key, obj->getTypeName());
+ return;
+ }
copyName(key);
pdf_puts(" ");
copyObject(obj);
diff --git a/Build/source/texk/web2c/pdftexdir/writeimg.c b/Build/source/texk/web2c/pdftexdir/writeimg.c
index ba6281eeb33..78540e0d180 100644
--- a/Build/source/texk/web2c/pdftexdir/writeimg.c
+++ b/Build/source/texk/web2c/pdftexdir/writeimg.c
@@ -350,7 +350,6 @@ void writeimage(integer img)
switch (img_type(img)) {
case IMAGE_TYPE_PNG:
write_png(img);
- write_additional_png_objects();
break;
case IMAGE_TYPE_JPG:
write_jpg(img);
diff --git a/Build/source/texk/web2c/pdftexdir/writepng.c b/Build/source/texk/web2c/pdftexdir/writepng.c
index 249bb96d933..aa5fb0c7e39 100644
--- a/Build/source/texk/web2c/pdftexdir/writepng.c
+++ b/Build/source/texk/web2c/pdftexdir/writepng.c
@@ -110,7 +110,7 @@ void read_png_info(integer img)
#define write_gray_pixel_8(r) \
if (j % 2 == 0) pdfbuf[pdfptr++] = *r++; \
- else smask[smask_ptr++] = *r++
+ else smask[smask_ptr++] = *r++
#define write_rgb_pixel_16(r) \
@@ -130,27 +130,27 @@ void read_png_info(integer img)
r = row; \
k = png_info(img)->rowbytes; \
while(k > 0) { \
- l = (k > pdfbufsize)? pdfbufsize : k; \
- pdfroom(l); \
- for (j = 0; j < l; j++) { \
- outmac; \
- } \
- k -= l; \
- } \
+ l = (k > pdfbufsize)? pdfbufsize : k; \
+ pdfroom(l); \
+ for (j = 0; j < l; j++) { \
+ outmac; \
+ } \
+ k -= l; \
+ } \
}
#define write_interlaced(outmac) \
for (i = 0; i < (int)png_info(img)->height; i++) { \
row = rows[i]; \
- k = png_info(img)->rowbytes; \
- while(k > 0) { \
- l = (k > pdfbufsize)? pdfbufsize : k; \
- pdfroom(l); \
- for (j = 0; j < l; j++) { \
- outmac; \
- } \
- k -= l; \
- } \
+ k = png_info(img)->rowbytes; \
+ while(k > 0) { \
+ l = (k > pdfbufsize)? pdfbufsize : k; \
+ pdfroom(l); \
+ for (j = 0; j < l; j++) { \
+ outmac; \
+ } \
+ k -= l; \
+ } \
xfree(rows[i]); \
}
@@ -486,6 +486,25 @@ static void copy_png(integer img)
}
static boolean last_png_needs_page_group;
+static boolean transparent_page_group_was_written = false;
+
+/* Called after the xobject generated by write_png has been finished; used to
+ * write out additional objects */
+static void write_additional_png_objects(void)
+{
+ if (last_png_needs_page_group) {
+ if (!transparent_page_group_was_written && transparent_page_group > 1) {
+ // create new group object
+ transparent_page_group_was_written = true;
+ pdfbeginobj(transparent_page_group, 2);
+ if (getpdfcompresslevel() == 0) {
+ pdf_puts("%PTEX Group needed for transparent pngs\n");
+ }
+ pdf_puts("<</Type/Group /S/Transparency /CS/DeviceRGB /I true>>\n");
+ pdfendobj();
+ }
+ }
+}
void write_png(integer img)
{
@@ -605,24 +624,5 @@ void write_png(integer img)
}
}
pdfflush();
-}
-
-static boolean transparent_page_group_was_written = false;
-
-/* Called after the xobject generated by write_png has been finished; used to
- * write out additional objects */
-void write_additional_png_objects(void)
-{
- if (last_png_needs_page_group) {
- if (!transparent_page_group_was_written && transparent_page_group > 1) {
- // create new group object
- transparent_page_group_was_written = true;
- pdfbeginobj(transparent_page_group, 2);
- if (getpdfcompresslevel() == 0) {
- pdf_puts("%PTEX Group needed for transparent pngs\n");
- }
- pdf_puts("<</Type/Group /S/Transparency /CS/DeviceRGB /I true>>\n");
- pdfendobj();
- }
- }
+ write_additional_png_objects();
}