libcupsfilters 2.0b4 Release

Needs QPDF 11 now!

CHANGES.md

@@ -1,4 +1,35 @@
-# CHANGES - OpenPrinting libcupsfilters v2.0b3 - 2023-01-31
+# CHANGES - OpenPrinting libcupsfilters v2.0b4 - 2023-02-23
+
+## CHANGES IN V2.0b4 (23rd February 2023)
+
+- Do not free `cf_image_t` data structure in `_cfImageZoomDelete()`
+  (cups-filters issue #507)
+  The library-internal `_cfImageZoom...()` API does not create the
+  `cf_image_t` data structure, so it should not free it, to avoid
+  double-free crashes. This made the `cfFilterImageToRaster()` filter
+  function (`imagetoraster` CUPS filter) crash.
+
+- `cfImageOpenFP()`: Removed leftover `HAVE_LIBZ` conditionals
+  In the 3rd beta we have removed the dependency on libz from the
+  build system as there is no explicit dependency on it in
+  libcupsfilters. Having forgotten to remove `HAVE_LIBZ` from the
+  conditionals in `cfImageOpenFP()` PNG images were rendered as blank
+  pages. See cups-filters issue #465.
+
+- Compatibility with QPDF 11 and later
+  * Replaced deprecated `PointerHolder` with `shared_ptr` (PR #13)
+  * `cfFilterPDFToPDF()`: Replaced deprecated QPDF function name
+    `replaceOrRemoveKey` by `replaceKey`.
+  * Set `CXXFLAGS="-DPOINTERHOLDER_TRANSITION=0"` to silence QPDF warnings.
+
+- Coverity check done by Zdenek Dohnal for the inclusion of libppd in
+  Fedora and Red Hat. Zdenek has fixed all the issues: Missing `free()`,
+  files not closed, potential string overflows, ... Thanks a lot!
+
+- `configure.ac`: Change deprecated `AC_PROG_LIBTOOL` for `LT_INIT` (PR #12)
+
+- `INSTALL`: Explain dependencies (PR #10)
+
 
 ## CHANGES IN V2.0b3 (31st January 2023)
 

INSTALL

@@ -1,4 +1,4 @@
-INSTALL - OpenPrinting libcupsfilters v2.0b3 - 2023-01-31
+INSTALL - OpenPrinting libcupsfilters v2.0b4 - 2023-02-23
 ---------------------------------------------------------
 
 This file describes how to compile and install libcupsfilters from
@@ -21,25 +21,33 @@ BEFORE YOU BEGIN
       pdftoraster, pclmtoraster, pwgtopdf and pdftopdf written in C++)
     - make program
     - POSIX-compliant shell (/bin/sh)
-    - autoconf, autopoint, automake and libtool for ./autogen.sh to generate compilation scripts
+    - autoconf, autopoint, automake and libtool for ./autogen.sh to generate
+      compilation scripts
     - CUPS devel files of version 2.2.2 or higher
     - Poppler (with --enable-poppler-cpp options) devel files for pdftoraster
     - fontconfig devel files for texttopdf
-    - liblcms (liblcms2 recommended) devel files for color management in functions which use
-      rasters (pdftoraster, pwgtoraster, pwgtopdf)
-    - QPDF devel files for PDF related functions (pwgtopdf, pdftopdf, bannertopdf) and pclmtoraster
+    - liblcms (liblcms2 recommended) devel files for color management in
+      functions which use rasters (pdftoraster, pwgtoraster, pwgtopdf)
+    - QPDF (11.0 or higher) devel files for PDF related functions (pwgtopdf,
+      pdftopdf, bannertopdf) and pclmtoraster
 
-    Then at least one of the following binaries is required for supporting non-PDF printers:
-    - Ghostscript 10.0.0 or higher built with support for output devices - "pdfwrite", "ps2write", "cups",
-      "pwgraster", "appleraster", "pclm", "pclm8", "pdfimage24", "pdfimage8", "pxlcolor", "pxlmono"
+    Then at least one of the following binaries is required for supporting
+    non-PDF printers:
+
+    - Ghostscript 10.0.0 or higher built with support for output devices -
+      "pdfwrite", "ps2write", "cups", "pwgraster", "appleraster", "pclm",
+      "pclm8", "pdfimage24", "pdfimage8", "pxlcolor", "pxlmono"
 
     or
 
     - MuPDF at version 1.15 to prevent bugs
 
-    Libcupsfilters provides an additional features, which are optional for the compilation,
-    but the library misses several file format support/feature support without them:
-    - libdbus devel files for dBUS communication with colord for color profiles support
+    Libcupsfilters provides an additional features, which are optional
+    for the compilation, but the library misses several file format
+    support/feature support without them:
+
+    - libdbus devel files for dBUS communication with colord for color
+      profiles support
     - libjpeg devel files for JPEG file support
     - libpng devel files for PNG file support
     - libtiff devel files for TIFF file support
@@ -131,10 +139,11 @@ INSTALLING THE SOFTWARE
 
 RUNTIME DEPENDENCIES
 
-    There are several packages which are required to be installed and working to get full capabalities
-    of software using cupsfilters:
+    There are several packages which are required to be installed and
+    working to get full capabalities of software using cupsfilters:
 
-    - in case libcupsfilters is built dBUS support, a dBUS provider (dbus-broker/dbus-daemon) and colord
+    - in case libcupsfilters is built dBUS support, a dBUS provider
+      (dbus-broker/dbus-daemon) and colord
       have to be installed and running to get color profile support
     - Ghostscript or MuPDF or both (based on your configuration)
     - a monospace font (f.e. liberation-mono-fonts) for texttopdf

README.md

@@ -1,4 +1,4 @@
-# OpenPrinting libcupsfilters v2.0b3 - 2023-01-31
+# OpenPrinting libcupsfilters v2.0b4 - 2023-02-23
 
 Looking for compile instructions? Read the file "INSTALL"
 instead...

configure.ac

@@ -5,7 +5,7 @@ AC_PREREQ([2.65])
 # ====================
 # Version informations
 # ====================
-AC_INIT([libcupsfilters], [2.0b3], [https://github.com/OpenPrinting/libcupsfilters/issues], [libcupsfilters], [https://github.com/OpenPrinting/libcupsfilters/])
+AC_INIT([libcupsfilters], [2.0b4], [https://github.com/OpenPrinting/libcupsfilters/issues], [libcupsfilters], [https://github.com/OpenPrinting/libcupsfilters/])
 libcupsfilters_version="AC_PACKAGE_VERSION"
 libcupsfilters_version_major="`echo AC_PACKAGE_VERSION | awk -F. '{print $1}'`"
 libcupsfilters_version_major="`echo AC_PACKAGE_VERSION | awk -F. '{printf("%d\n",$2);}'`"
@@ -241,7 +241,7 @@ AS_IF([test x"$lcms2" = "xno"], [
 	AC_DEFINE([USE_LCMS1], [1], [Defines if use lcms1])
 ])
 PKG_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.0.0])
-PKG_CHECK_MODULES([LIBQPDF], [libqpdf >= 10.3.2])
+PKG_CHECK_MODULES([LIBQPDF], [libqpdf >= 11.0.0])
 
 # =================
 # Check for Poppler