From 9c62993efd45bcd685c579d51be013a1ae4f2770 Mon Sep 17 00:00:00 2001
From: Chris Young <chris@unsatisfactorysoftware.co.uk>
Date: Mon, 18 Jan 2016 00:02:52 +0000
Subject: Don't expose the DPI-related variables

---
 amiga/font.c        | 13 +++++++++++++
 amiga/font.h        |  9 +++++----
 amiga/font_bullet.c |  4 ++--
 amiga/gui.c         |  6 +++++-
 4 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/amiga/font.c b/amiga/font.c
index 27ea62d6e..39cb38602 100644
--- a/amiga/font.c
+++ b/amiga/font.c
@@ -32,6 +32,19 @@
 #include "amiga/font_diskfont.h"
 #include "amiga/font_scan.h"
 
+static ULONG ami_devicedpi = 72;
+static ULONG ami_xdpi = 72;
+
+ULONG ami_font_dpi_get_devicedpi(void)
+{
+	return ami_devicedpi;
+}
+
+ULONG ami_font_dpi_get_xdpi(void)
+{
+	return ami_xdpi;
+}
+
 void ami_font_setdevicedpi(int id)
 {
 	DisplayInfoHandle dih;
diff --git a/amiga/font.h b/amiga/font.h
index e0799ea05..da23b5989 100755
--- a/amiga/font.h
+++ b/amiga/font.h
@@ -23,10 +23,14 @@
 #include <graphics/rastport.h>
 #include <graphics/text.h>
 
-void ami_font_setdevicedpi(int id);
 void ami_font_init(void);
 void ami_font_fini(void);
 
+/* DPI stuff */
+void ami_font_setdevicedpi(int id);
+ULONG ami_font_dpi_get_devicedpi(void);
+ULONG ami_font_dpi_get_xdpi(void);
+
 /* Simple diskfont functions for graphics.library use (not page rendering) */
 struct TextFont *ami_font_open_disk_font(struct TextAttr *tattr);
 void ami_font_close_disk_font(struct TextFont *tfont);
@@ -50,9 +54,6 @@ struct ami_font_functions {
 			ULONG x, ULONG y, bool aa);
 };
 
-ULONG ami_devicedpi;
-ULONG ami_xdpi;
-
 const struct ami_font_functions *ami_nsfont;
 #endif
 
diff --git a/amiga/font_bullet.c b/amiga/font_bullet.c
index 69757e5a3..f63455257 100644
--- a/amiga/font_bullet.c
+++ b/amiga/font_bullet.c
@@ -55,7 +55,7 @@
 #define NSA_VALUE_SHEARSIN (1 << 14)
 #define NSA_VALUE_SHEARCOS (1 << 16)
 
-#define NSA_FONT_EMWIDTH(s) (s / FONT_SIZE_SCALE) * (ami_xdpi / 72.0)
+#define NSA_FONT_EMWIDTH(s) (s / FONT_SIZE_SCALE) * (ami_font_dpi_get_xdpi() / 72.0)
 
 const uint16 sc_table[] = {
 		0x0061, 0x1D00, /* a */
@@ -510,7 +510,7 @@ static struct OutlineFont *ami_open_outline_font(const plot_font_style_t *fstyle
 #endif
 
 	if(ESetInfo(AMI_OFONT_ENGINE,
-			OT_DeviceDPI,   ami_devicedpi,
+			OT_DeviceDPI,   ami_font_dpi_get_devicedpi(),
 			OT_PointHeight, ysize,
 			OT_EmboldenX,   emboldenx,
 			OT_EmboldenY,   emboldeny,
diff --git a/amiga/gui.c b/amiga/gui.c
index e0f370f6e..768b4062a 100644
--- a/amiga/gui.c
+++ b/amiga/gui.c
@@ -5589,8 +5589,12 @@ int main(int argc, char** argv)
 
 #ifdef __amigaos4__
 	amiga_plugin_hack_init();
-#endif
+
+	/* DataTypes loader needs datatypes.library v45,
+	 * but for some reason that's not in OS3.9.
+	 * Skip it to ensure it isn't causing other problems. */
 	ret = amiga_datatypes_init();
+#endif
 
 	/* user options setup */
 	ret = nsoption_init(ami_set_options, &nsoptions, &nsoptions_default);
-- 
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