mirror of
https://gitlab.alpinelinux.org/alpine/aports.git
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82 lines
3.5 KiB
Diff
82 lines
3.5 KiB
Diff
From efd33aad5e69f36ab343b1f28839a55db4538104 Mon Sep 17 00:00:00 2001
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From: Tom Hughes <tom@compton.nu>
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Date: Sun, 19 May 2013 10:55:37 +0100
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Subject: [PATCH 01/15] Fix non-terminating loop conditions when len=1
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- while(abs(sx - lp.x1) + abs(sy - lp.y1) > lp2.len)
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+ while(abs(sx - lp.x1) + abs(sy - lp.y1) > 1 + lp2.len)
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{
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sx = (lp.x1 + sx) >> 1;
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sy = (lp.y1 + sy) >> 1;
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}
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---
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include/agg_renderer_outline_aa.h | 8 ++++----
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include/agg_renderer_outline_image.h | 4 ++--
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2 files changed, 6 insertions(+), 6 deletions(-)
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diff --git a/include/agg_renderer_outline_aa.h b/include/agg_renderer_outline_aa.h
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index ce25a2e..cb2aa00 100644
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--- a/include/agg_renderer_outline_aa.h
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+++ b/include/agg_renderer_outline_aa.h
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@@ -1659,7 +1659,7 @@ namespace agg
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}
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else
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{
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- while(abs(sx - lp.x1) + abs(sy - lp.y1) > lp2.len)
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+ while(abs(sx - lp.x1) + abs(sy - lp.y1) > 1 + lp2.len)
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{
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sx = (lp.x1 + sx) >> 1;
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sy = (lp.y1 + sy) >> 1;
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@@ -1726,7 +1726,7 @@ namespace agg
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}
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else
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{
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- while(abs(ex - lp.x2) + abs(ey - lp.y2) > lp2.len)
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+ while(abs(ex - lp.x2) + abs(ey - lp.y2) > 1 + lp2.len)
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{
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ex = (lp.x2 + ex) >> 1;
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ey = (lp.y2 + ey) >> 1;
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@@ -1798,7 +1798,7 @@ namespace agg
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}
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else
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{
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- while(abs(sx - lp.x1) + abs(sy - lp.y1) > lp2.len)
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+ while(abs(sx - lp.x1) + abs(sy - lp.y1) > 1 + lp2.len)
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{
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sx = (lp.x1 + sx) >> 1;
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sy = (lp.y1 + sy) >> 1;
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@@ -1811,7 +1811,7 @@ namespace agg
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}
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else
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{
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- while(abs(ex - lp.x2) + abs(ey - lp.y2) > lp2.len)
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+ while(abs(ex - lp.x2) + abs(ey - lp.y2) > 1 + lp2.len)
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{
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ex = (lp.x2 + ex) >> 1;
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ey = (lp.y2 + ey) >> 1;
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diff --git a/include/agg_renderer_outline_image.h b/include/agg_renderer_outline_image.h
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index fbfac10..66d2b9a 100644
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--- a/include/agg_renderer_outline_image.h
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+++ b/include/agg_renderer_outline_image.h
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@@ -969,7 +969,7 @@ namespace agg
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}
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else
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{
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- while(abs(sx - lp.x1) + abs(sy - lp.y1) > lp2.len)
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+ while(abs(sx - lp.x1) + abs(sy - lp.y1) > 1 + lp2.len)
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{
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sx = (lp.x1 + sx) >> 1;
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sy = (lp.y1 + sy) >> 1;
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@@ -982,7 +982,7 @@ namespace agg
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}
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else
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{
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- while(abs(ex - lp.x2) + abs(ey - lp.y2) > lp2.len)
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+ while(abs(ex - lp.x2) + abs(ey - lp.y2) > 1 + lp2.len)
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{
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ex = (lp.x2 + ex) >> 1;
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ey = (lp.y2 + ey) >> 1;
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--
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1.8.1.4
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