tests: Add leading_define_font test

This test verifies how FP renders text when the font has leading,
dependeing on different DefineFont tags used.

tests/tests/swfs/visual/fonts/leading_define_font/TestFont.sfd

@@ -0,0 +1,118 @@
+SplineFontDB: 3.2
+FontName: TestFont
+FullName: TestFont
+FamilyName: TestFont
+Weight: Regular
+Copyright: Copyright (c) 2024, Kamil Jarosz
+UComments: "2024-7-24: Created with FontForge (http://fontforge.org)"
+Version: 001.000
+ItalicAngle: 0
+UnderlinePosition: -97
+UnderlineWidth: 48
+Ascent: 800
+Descent: 200
+InvalidEm: 0
+LayerCount: 2
+Layer: 0 0 "Back" 1
+Layer: 1 0 "Fore" 0
+XUID: [1021 253 198287149 6396829]
+StyleMap: 0x0000
+FSType: 0
+OS2Version: 0
+OS2_WeightWidthSlopeOnly: 0
+OS2_UseTypoMetrics: 1
+CreationTime: 1721856925
+ModificationTime: 1729444387
+PfmFamily: 17
+TTFWeight: 400
+TTFWidth: 5
+LineGap: 100
+VLineGap: 0
+OS2TypoAscent: 0
+OS2TypoAOffset: 1
+OS2TypoDescent: 0
+OS2TypoDOffset: 1
+OS2TypoLinegap: 100
+OS2WinAscent: 0
+OS2WinAOffset: 1
+OS2WinDescent: 0
+OS2WinDOffset: 1
+HheadAscent: 0
+HheadAOffset: 1
+HheadDescent: 0
+HheadDOffset: 1
+OS2Vendor: 'PfEd'
+MarkAttachClasses: 1
+DEI: 91125
+Encoding: ISO8859-1
+UnicodeInterp: none
+NameList: AGL For New Fonts
+DisplaySize: -48
+AntiAlias: 1
+FitToEm: 0
+WinInfo: 0 30 10
+BeginPrivate: 0
+EndPrivate
+BeginChars: 256 4
+
+StartChar: a
+Encoding: 97 97 0
+Width: 800
+Flags: HW
+LayerCount: 2
+Fore
+SplineSet
+0 800 m 1
+ 800 800 l 1
+ 800 0 l 1
+ 0 0 l 1
+ 0 800 l 1
+EndSplineSet
+EndChar
+
+StartChar: b
+Encoding: 98 98 1
+Width: 100
+Flags: HW
+LayerCount: 2
+Fore
+SplineSet
+0 800 m 1
+ 100 800 l 1
+ 100 0 l 1
+ 0 0 l 1
+ 0 800 l 1
+EndSplineSet
+EndChar
+
+StartChar: c
+Encoding: 99 99 2
+Width: 800
+Flags: HW
+LayerCount: 2
+Fore
+SplineSet
+0 0 m 1
+ 800 0 l 1
+ 800 -200 l 1
+ 0 -200 l 1
+ 0 0 l 1
+EndSplineSet
+EndChar
+
+StartChar: d
+Encoding: 100 100 3
+Width: 100
+Flags: HW
+LayerCount: 2
+Fore
+SplineSet
+0 0 m 1
+ 100 0 l 1
+ 100 -200 l 1
+ 0 -200 l 1
+ 0 0 l 1
+EndSplineSet
+EndChar
+EndChars
+EndSplineFont

tests/tests/swfs/visual/fonts/leading_define_font/test.as

@@ -0,0 +1,50 @@
+var nextX:int = 0;
+var nextY:int = 0;
+var i:int = 0;
+
+function newTextField(font, leading) {
+ var text = _root.createTextField(
+ "text" + (i++),
+ _root.getNextHighestDepth(),
+ nextX, nextY, 50, 80);
+
+ text.border = true;
+ text.embedFonts = true;
+ var tf:TextFormat = new TextFormat();
+ tf.font = font;
+ tf.size = 20;
+ if (leading != null) {
+ tf.leading = leading;
+ }
+ text.setNewTextFormat(tf);
+
+ text.multiline = true;
+ text.text = "acbd\nabcd";
+
+ nextX += text._width + 2;
+ return text;
+}
+
+Stage.scaleMode = "noScale";
+
+newTextField("TestFont2Gap0", null);
+newTextField("TestFont2Gap0", 0);
+newTextField("TestFont2Gap0", 2);
+nextY += 100;
+nextX = 0;
+newTextField("TestFont2Gap100", null);
+newTextField("TestFont2Gap100", 0);
+newTextField("TestFont2Gap100", 2);
+nextY += 100;
+nextX = 0;
+
+newTextField("TestFont3Gap0");
+newTextField("TestFont3Gap0", 0);
+newTextField("TestFont3Gap0", 2);
+nextY += 100;
+nextX = 0;
+newTextField("TestFont3Gap100");
+newTextField("TestFont3Gap100", 0);
+newTextField("TestFont3Gap100", 2);
+nextY += 100;
+nextX = 0;

tests/tests/swfs/visual/fonts/leading_define_font/test.toml

@@ -0,0 +1,7 @@
+num_ticks = 1
+
+[image_comparisons.output]
+tolerance = 128
+
+[player_options]
+with_renderer = { optional = false, sample_count = 4 }