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Accepting request 1072216 from home:StefanBruens:branches:devel:tools

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- Fix boundingbox parsing of graphviz PDFs when using cairo >=
  1.17.6, add:
  * Fix-boundingbox-parsing_part1.patch
  * Fix-boundingbox-parsing_part2.patch
  * Fix-boundingbox-parsing_part3.patch
  * Fix-boundingbox-parsing_part4.patch

OBS-URL: https://build.opensuse.org/request/show/1072216
OBS-URL: https://build.opensuse.org/package/show/devel:tools/doxygen?expand=0&rev=178
This commit is contained in:
Petr Gajdos
2023-03-16 08:25:39 +00:00
committed by Git OBS Bridge
parent 155e3ed2e7
commit 5d69f1d0ac
7 changed files with 2210 additions and 2 deletions
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66
Fix-boundingbox-parsing_part4.patch Normal file
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@@ -0,0 +1,66 @@
From 8129939c312e4b5060042fdb93bd071b7b133381 Mon Sep 17 00:00:00 2001
From: Dimitri van Heesch <doxygen@gmail.com>
Date: Thu, 5 Jan 2023 11:16:24 +0100
Subject: [PATCH] issue #9319: Doc build fails with cairo 1.17.6
- Improve detection of "flate" encoded streams
---
TinyDeflate/gunzip.hh | 2 +-
src/dotrunner.cpp | 20 +++++++++++++++++++-
2 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/TinyDeflate/gunzip.hh b/TinyDeflate/gunzip.hh
index a631815a255..652058ab823 100644
--- a/TinyDeflate/gunzip.hh
+++ b/TinyDeflate/gunzip.hh
@@ -430,7 +430,7 @@ namespace gunzip_ns
static_assert((T)false, "result_of<CallableType> is invalid; use "
"result_of<CallableType(zero or more argument types)> instead.");
};
- #if __cplusplus > 201703UL
+ #if __cplusplus > 202000UL
template <typename F, typename... Args>
struct result_of<F(Args...)> : std::invoke_result<F, Args...> {};
#else
diff --git a/src/dotrunner.cpp b/src/dotrunner.cpp
index 9246029cb61..2e87a0d4a37 100644
--- a/src/dotrunner.cpp
+++ b/src/dotrunner.cpp
@@ -20,6 +20,7 @@
#pragma warning( push )
#pragma warning( disable : 4242 )
#pragma warning( disable : 4244 )
+#pragma warning( disable : 4996 )
#endif
#include <gunzip.hh>
#ifdef _MSC_VER
@@ -156,11 +157,28 @@ bool DotRunner::readBoundingBox(const QCString &fileName,int *width,int *height,
const std::string streamStart = "stream\n";
const std::string streamEnd = "\nendstream";
+ auto detectDeflateStreamStart = [&streamStart](const char *s)
+ {
+ size_t len = streamStart.length();
+ bool streamOK = strncmp(s,streamStart.c_str(),len)==0;
+ if (streamOK) // ASCII marker matches, check stream header bytes as well
+ {
+ unsigned short header1 = static_cast<unsigned char>(s[len])<<8; // CMF byte
+ if (header1) // not end of string
+ {
+ unsigned short header = (static_cast<unsigned char>(s[len+1])) | header1; // FLG byte
+ // check for correct header (see https://www.rfc-editor.org/rfc/rfc1950)
+ return ((header&0x8F20)==0x0800) && (header%31)==0;
+ }
+ }
+ return false;
+ };
+
const size_t l = contents.length();
size_t i=0;
while (i<l)
{
- if (!isEps && contents[i]=='s' && strncmp(&contents[i],streamStart.c_str(),streamStart.length())==0)
+ if (!isEps && contents[i]=='s' && detectDeflateStreamStart(&contents[i]))
{ // compressed stream start
int col=17;
i+=streamStart.length();