Merge tag '13.0-beta2' into jgrpp

# Conflicts:
#	src/cheat_gui.cpp
#	src/company_gui.cpp
#	src/console_gui.cpp
#	src/depot_gui.cpp
#	src/error_gui.cpp
#	src/gfx.cpp
#	src/graph_gui.cpp
#	src/group_gui.cpp
#	src/lang/english.txt
#	src/lang/korean.txt
#	src/lang/polish.txt
#	src/misc_gui.cpp
#	src/network/network_content_gui.h
#	src/newgrf_debug_gui.cpp
#	src/order_gui.cpp
#	src/rail_gui.cpp
#	src/road_gui.cpp
#	src/settings_gui.cpp
#	src/settings_type.h
#	src/station_gui.cpp
#	src/subsidy_gui.cpp
#	src/table/settings/gui_settings.ini
#	src/timetable_gui.cpp
#	src/town_gui.cpp
#	src/train_cmd.cpp
#	src/vehicle_gui.cpp
#	src/viewport.cpp
#	src/water_cmd.cpp
#	src/widgets/dropdown.cpp
#	src/window_gui.h

src/os/windows/font_win32.cpp

@@ -392,7 +392,7 @@ void Win32FontCache::SetFontSize(FontSize fs, int pixels)
 {
 	if (pixels == 0) {
 		/* Try to determine a good height based on the minimal height recommended by the font. */
-		int scaled_height = ScaleFontTrad(this->GetDefaultFontHeight(this->fs));
+		int scaled_height = ScaleGUITrad(this->GetDefaultFontHeight(this->fs));
 		pixels = scaled_height;
 
 		HFONT temp = CreateFontIndirect(&this->logfont);
@@ -405,14 +405,15 @@ void Win32FontCache::SetFontSize(FontSize fs, int pixels)
 
 			/* Font height is minimum height plus the difference between the default
 			 * height for this font size and the small size. */
-			int diff = scaled_height - ScaleFontTrad(this->GetDefaultFontHeight(FS_SMALL));
-			pixels = Clamp(std::min(otm->otmusMinimumPPEM, MAX_FONT_MIN_REC_SIZE) + diff, scaled_height, MAX_FONT_SIZE);
+			int diff = scaled_height - ScaleGUITrad(this->GetDefaultFontHeight(FS_SMALL));
+			/* Clamp() is not used as scaled_height could be greater than MAX_FONT_SIZE, which is not permitted in Clamp(). */
+			pixels = std::min(std::max(std::min<int>(otm->otmusMinimumPPEM, MAX_FONT_MIN_REC_SIZE) + diff, scaled_height), MAX_FONT_SIZE);
 
 			SelectObject(dc, old);
 			DeleteObject(temp);
 		}
 	} else {
-		pixels = ScaleFontTrad(pixels);
+		pixels = ScaleGUITrad(pixels);
 	}
 	this->used_size = pixels;
 
@@ -478,9 +479,10 @@ void Win32FontCache::ClearFontCache()
 		GetGlyphOutline(this->dc, key, GGO_GLYPH_INDEX | (aa ? GGO_GRAY8_BITMAP : GGO_BITMAP), &gm, size, bmp, &mat);
 	}
 
-	/* Add 1 pixel for the shadow on the medium font. Our sprite must be at least 1x1 pixel. */
-	uint width = std::max(1U, (uint)gm.gmBlackBoxX + (this->fs == FS_NORMAL));
-	uint height = std::max(1U, (uint)gm.gmBlackBoxY + (this->fs == FS_NORMAL));
+	/* Add 1 scaled pixel for the shadow on the medium font. Our sprite must be at least 1x1 pixel. */
+	uint shadow = (this->fs == FS_NORMAL) ? ScaleGUITrad(1) : 0;
+	uint width = std::max(1U, (uint)gm.gmBlackBoxX + shadow);
+	uint height = std::max(1U, (uint)gm.gmBlackBoxY + shadow);
 
 	/* Limit glyph size to prevent overflows later on. */
 	if (width > MAX_GLYPH_DIM || height > MAX_GLYPH_DIM) usererror("Font glyph is too large");
@@ -508,8 +510,8 @@ void Win32FontCache::ClearFontCache()
 			for (uint y = 0; y < gm.gmBlackBoxY; y++) {
 				for (uint x = 0; x < gm.gmBlackBoxX; x++) {
 					if (aa ? (bmp[x + y * pitch] > 0) : HasBit(bmp[(x / 8) + y * pitch], 7 - (x % 8))) {
-						sprite.data[1 + x + (1 + y) * sprite.width].m = SHADOW_COLOUR;
-						sprite.data[1 + x + (1 + y) * sprite.width].a = aa ? (bmp[x + y * pitch] << 2) - 1 : 0xFF;
+						sprite.data[shadow + x + (shadow + y) * sprite.width].m = SHADOW_COLOUR;
+						sprite.data[shadow + x + (shadow + y) * sprite.width].a = aa ? (bmp[x + y * pitch] << 2) - 1 : 0xFF;
 					}
 				}
 			}