86 lines
2.6 KiB
Diff
86 lines
2.6 KiB
Diff
From c379fe50574e5b5dd6e17f15d8473c5713d1b823 Mon Sep 17 00:00:00 2001
|
|
From: Thomas Loimer <thomas.loimer@tuwien.ac.at>
|
|
Date: Wed, 11 Dec 2019 21:36:46 +0100
|
|
Subject: [PATCH 4/8] Convert polygons with too few points to polylines
|
|
|
|
As a side effect, this also fixes ticket #56.
|
|
---
|
|
CHANGES | 1 +
|
|
fig2dev/read.c | 16 ++++++++++++++++
|
|
fig2dev/tests/read.at | 11 +++++++++++
|
|
3 files changed, 28 insertions(+)
|
|
|
|
diff --git a/CHANGES b/CHANGES
|
|
index 964dc84..b2f7006 100644
|
|
--- a/CHANGES
|
|
+++ b/CHANGES
|
|
@@ -6,6 +6,7 @@ Patchlevel Xx (Xxx 20xx)
|
|
|
|
BUGS FIXED:
|
|
Ticket numbers refer to https://sourceforge.net/p/mcj/tickets/#.
|
|
+ o Convert polygons having too few points to polylines. Ticket #56.
|
|
o Reject huge arrow types causing integer overflow. Ticket #57.
|
|
o Allow Fig v2 text strings ending with multiple ^A. Ticket #55.
|
|
o Embed images in pdfs with their original compression type, i.e., leave
|
|
diff --git a/fig2dev/read.c b/fig2dev/read.c
|
|
index 09bd17d..9500091 100644
|
|
--- a/fig2dev/read.c
|
|
+++ b/fig2dev/read.c
|
|
@@ -793,8 +793,10 @@ read_ellipseobject(void)
|
|
/*
|
|
* Sanitize line objects. Return 0 on success, -1 otherwise.
|
|
* On error, call free_linestorage(l) after sanitize_lineobject().
|
|
+ *
|
|
* polylines: remove fill, if less than 3 points
|
|
* remove arrows, if only one point
|
|
+ * polygons: convert to polyline if less than 3 unique points
|
|
* rectangles, polygons: last point must coincide with first point
|
|
* rectangle: convert to polygon, if not 5 points
|
|
* rectangle with rounded corners: error, if not 5 points
|
|
@@ -854,6 +856,20 @@ sanitize_lineobject(
|
|
q->y = l->points->y;
|
|
}
|
|
|
|
+ if (l->type == T_POLYGON) {
|
|
+ int npts;
|
|
+
|
|
+ q = l->points;
|
|
+ for (npts = 1; q->next && npts < 4; q = q->next)
|
|
+ ++npts;
|
|
+ if (npts < 4 ) {
|
|
+ put_msg("A polygon with %d points at line %d - convert to a polyline.",
|
|
+ npts, line_no);
|
|
+ l->type = T_POLYLINE;
|
|
+ return 0;
|
|
+ }
|
|
+ }
|
|
+
|
|
if (l->type == T_BOX || l->type == T_ARC_BOX || l->type == T_PIC_BOX) {
|
|
int npts = 1;
|
|
for (q = l->points; q->next; q = q->next)
|
|
diff --git a/fig2dev/tests/read.at b/fig2dev/tests/read.at
|
|
index e9a71a3..4ef8747 100644
|
|
--- a/fig2dev/tests/read.at
|
|
+++ b/fig2dev/tests/read.at
|
|
@@ -147,6 +147,17 @@ EOF
|
|
])
|
|
AT_CLEANUP
|
|
|
|
+AT_SETUP([convert short polygon to polyline, ticket #56])
|
|
+AT_KEYWORDS(read.c polygon)
|
|
+AT_CHECK([fig2dev -L ptk <<EOF
|
|
+FIG_FILE_TOP
|
|
+2 3 0 1 -1 -1 50 -1 -1 0.0 0 0 -1 0 0 1
|
|
+ 0 0
|
|
+EOF
|
|
+], 0, ignore, [A polygon with 1 points at line 11 - convert to a polyline.
|
|
+])
|
|
+AT_CLEANUP
|
|
+
|
|
AT_SETUP([reject negative font type])
|
|
AT_KEYWORDS(read.c font)
|
|
AT_CHECK([fig2dev -L box <<EOF
|
|
--
|
|
2.24.1
|
|
|