From 9fb56ca02e7e8122f57b73652c1b6734b3b45708 Mon Sep 17 00:00:00 2001
From: frosch <frosch@openttd.org>
Date: Sat, 25 Apr 2015 11:58:19 +0000
Subject: [PATCH] (svn r27248) -Fix [FS#6257]: Town labels on smallmap and
 zoomed-out viewports were not centered. (_dp_)

---
 src/texteff.cpp     | 2 +-
 src/town_cmd.cpp    | 3 ++-
 src/viewport.cpp    | 6 +++++-
 src/viewport_type.h | 3 ++-
 4 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/texteff.cpp b/src/texteff.cpp
index 03b5645998..cdb8b8ce6a 100644
--- a/src/texteff.cpp
+++ b/src/texteff.cpp
@@ -114,7 +114,7 @@ void DrawTextEffects(DrawPixelInfo *dpi)
 	for (TextEffect *te = _text_effects.Begin(); te != end; te++) {
 		if (te->string_id == INVALID_STRING_ID) continue;
 		if (te->mode == TE_RISING || (_settings_client.gui.loading_indicators && !IsTransparencySet(TO_LOADING))) {
-			ViewportAddString(dpi, ZOOM_LVL_OUT_8X, te, te->string_id, te->string_id - 1, 0, te->params_1, te->params_2);
+			ViewportAddString(dpi, ZOOM_LVL_OUT_8X, te, te->string_id, te->string_id - 1, STR_NULL, te->params_1, te->params_2);
 		}
 	}
 }
diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp
index 2d03f4f87f..1444337adf 100644
--- a/src/town_cmd.cpp
+++ b/src/town_cmd.cpp
@@ -377,7 +377,8 @@ void Town::UpdateVirtCoord()
 	SetDParam(0, this->index);
 	SetDParam(1, this->cache.population);
 	this->cache.sign.UpdatePosition(pt.x, pt.y - 24 * ZOOM_LVL_BASE,
-		_settings_client.gui.population_in_label ? STR_VIEWPORT_TOWN_POP : STR_VIEWPORT_TOWN);
+		_settings_client.gui.population_in_label ? STR_VIEWPORT_TOWN_POP : STR_VIEWPORT_TOWN,
+		STR_VIEWPORT_TOWN);
 
 	SetWindowDirty(WC_TOWN_VIEW, this->index);
 }
diff --git a/src/viewport.cpp b/src/viewport.cpp
index ef23f18126..c1d4d61b4e 100644
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -1309,8 +1309,9 @@ static void ViewportAddSigns(DrawPixelInfo *dpi)
  * @param center the (preferred) center of the viewport sign
  * @param top    the new top of the sign
  * @param str    the string to show in the sign
+ * @param str_small the string to show when zoomed out. STR_NULL means same as \a str
  */
-void ViewportSign::UpdatePosition(int center, int top, StringID str)
+void ViewportSign::UpdatePosition(int center, int top, StringID str, StringID str_small)
 {
 	if (this->width_normal != 0) this->MarkDirty();
 
@@ -1323,6 +1324,9 @@ void ViewportSign::UpdatePosition(int center, int top, StringID str)
 	this->center = center;
 
 	/* zoomed out version */
+	if (str_small != STR_NULL) {
+		GetString(buffer, str_small, lastof(buffer));
+	}
 	this->width_small = VPSM_LEFT + Align(GetStringBoundingBox(buffer, FS_SMALL).width, 2) + VPSM_RIGHT;
 
 	this->MarkDirty();
diff --git a/src/viewport_type.h b/src/viewport_type.h
index 800c8b4952..07485c3243 100644
--- a/src/viewport_type.h
+++ b/src/viewport_type.h
@@ -14,6 +14,7 @@
 
 #include "zoom_type.h"
 #include "strings_type.h"
+#include "table/strings.h"
 
 class LinkGraphOverlay;
 
@@ -50,7 +51,7 @@ struct ViewportSign {
 	uint16 width_normal; ///< The width when not zoomed out (normal font)
 	uint16 width_small;  ///< The width when zoomed out (small font)
 
-	void UpdatePosition(int center, int top, StringID str);
+	void UpdatePosition(int center, int top, StringID str, StringID str_small = STR_NULL);
 	void MarkDirty(ZoomLevel maxzoom = ZOOM_LVL_MAX) const;
 };