From c225087ab50742df40e34e6ce24b942741d51de0 Mon Sep 17 00:00:00 2001
From: Jonathan Westhues <jwesthues@cq.cx>
Date: Tue, 15 Dec 2009 06:51:21 -0800
Subject: [PATCH] PDF has a page size limit of 200 inches for either axis; so
 warn if we exceed that, because the viewers will otherwise just silently
 display nothing.

[git-p4: depot-paths = "//depot/solvespace/": change = 2088]
---
 exportvector.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/exportvector.cpp b/exportvector.cpp
index 75245bf..61f8f6c 100644
--- a/exportvector.cpp
+++ b/exportvector.cpp
@@ -263,6 +263,13 @@ void EpsFileWriter::FinishAndCloseFile(void) {
 // a correct xref table.
 //-----------------------------------------------------------------------------
 void PdfFileWriter::StartFile(void) {
+    if((ptMax.x - ptMin.x) > 200*25.4 || 
+       (ptMax.y - ptMin.y) > 200*25.4)
+    {
+        Message("PDF page size exceeds 200 by 200 inches; many viewers may "
+                "reject this file.");
+    }
+
     fprintf(f,
 "%%PDF-1.1\r\n"
 "%%%c%c%c%c\r\n",