From dc2e33d2458249516d3e553257ca814b17173ef6 Mon Sep 17 00:00:00 2001
From: Matthew Hague <matthew.hague@rhul.ac.uk>
Date: Mon, 8 Nov 2021 19:09:58 +0000
Subject: [PATCH] Add slide move
---
lib/slide_helper.rb | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/lib/slide_helper.rb b/lib/slide_helper.rb
index 3ba1b2a..ceccac6 100644
--- a/lib/slide_helper.rb
+++ b/lib/slide_helper.rb
@@ -28,6 +28,10 @@
#
# Move one slide unit left and create a new slide
#
+# !SLIDE_MOVE x y
+#
+# Move x units horizontal and y units vertical
+#
# !SLIDE_RELATIVE rx ry
#
# Useful for making slides within slides, e.g.
@@ -210,6 +214,8 @@ module SlideHelper
output += impress_slide_left(args) + "\n"
when '!SLIDE_DOWN'
output += impress_slide_down(args) + "\n"
+ when '!SLIDE_MOVE'
+ output += impress_slide_move(args) + "\n"
when '!SLIDE_SCALE_LEFT'
output += impress_slide_scale_left(args) + "\n"
when '!SLIDE_RELATIVE'
@@ -300,6 +306,15 @@ module SlideHelper
impress_make_slide(args)
end
+ def impress_slide_move(args)
+ argv = args.split
+ rx, ry = argv[0..1].map {|v| v.to_f}
+ rem_args = argv[2..].join(' ')
+ @@pos.x += rx * impress_horiz_mov_unit()
+ @@pos.y += ry * impress_vert_mov_unit()
+ impress_make_slide(rem_args)
+ end
+
def impress_slide_scale_left(args)
argv = args.split
scale = argv[0].to_f
--
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