tests: Add fonts/device_font_list test

This test verifies the behavior of styling with a list of fonts.
ruffle-rs · Jan 18, 2025 · 3bb449a · 3bb449a
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diff --git a/tests/tests/swfs/fonts/device_font_list/Test.as b/tests/tests/swfs/fonts/device_font_list/Test.as
@@ -0,0 +1,114 @@
+package {
+import flash.display.*;
+import flash.text.*;
+
+[SWF(width="100", height="200")]
+public class Test extends Sprite {
+    [Embed(source="TestFontA.ttf", fontName="EmbeddedTestFontA", embedAsCFF="false", unicodeRange="U+0061-U+0064")]
+    private var EmbeddedTestFontA:Class;
+
+    [Embed(source="TestFontB.ttf", fontName="EmbeddedTestFontB", embedAsCFF="false", unicodeRange="U+0061-U+0064")]
+    private var EmbeddedTestFontB:Class;
+
+    private var nextY: Number = 0;
+
+    private var fontListsDevice: Array = [
+        "Totally Unknown, TestFontA , TestFontB",
+        " testFOntB  , TestFontA , TestFontB",
+    ];
+    private var fontListsEmbedded: Array = [
+        "Totally Unknown, EmbeddedTestFontA, EmbeddedTestFontB",
+        "EmbeddedTestFontA",
+        "  EmbeddedTestFontA",
+        "EmbeddedTestFontA  ",
+        "  EmbeddedTestFontA  ",
+        "  embeddedTESTFonta",
+    ];
+
+    public function Test() {
+        stage.scaleMode = "noScale";
+
+        for each (var embedded in [false, true]) {
+            var fontLists = embedded ? fontListsEmbedded : fontListsDevice;
+            for each (var fontList in fontLists) {
+                testFontListCss(embedded, fontList);
+                testFontListFormat(embedded, fontList);
+            }
+        }
+    }
+
+    function testFontListCss(embedded: Boolean, fontList: String) {
+        trace("Testing CSS font list fallback:");
+        trace("  Embedded? = " + embedded);
+        trace("  Font list? = " + fontList);
+
+        var style: StyleSheet = new StyleSheet();
+
+        var classFontList:Object = new Object();
+        classFontList.fontFamily = fontList;
+        classFontList.fontSize = 20;
+        style.setStyle(".fontlist", classFontList);
+
+        var text: TextField = new TextField();
+        text.embedFonts = embedded;
+        text.styleSheet = style;
+
+        text.width = 100;
+        text.height = 50;
+        text.y = nextY;
+        nextY += text.height;
+        text.text = "<span class='fontlist'>abc</span>";
+
+        addChild(text);
+
+        if (text.getCharBoundaries(2) == null) {
+            return;
+        }
+
+        traceChars(text);
+    }
+
+    function testFontListFormat(embedded: Boolean, fontList: String) {
+        trace("Testing TextFormat font list fallback:");
+        trace("  Embedded? = " + embedded);
+        trace("  Font list? = " + fontList);
+
+        var tf: TextFormat = new TextFormat(fontList, 20);
+        var text: TextField = new TextField();
+        text.embedFonts = embedded;
+        text.defaultTextFormat = tf;
+
+        text.width = 100;
+        text.height = 50;
+        text.y = nextY;
+        nextY += text.height;
+        text.text = "abc";
+
+        addChild(text);
+
+        if (text.getCharBoundaries(2) == null) {
+            return;
+        }
+
+        traceChars(text);
+    }
+
+    private function traceChars(text: TextField) {
+        traceChar(text, 0);
+        traceChar(text, 1);
+        traceChar(text, 2);
+    }
+
+    private function traceChar(text: TextField, i: int) {
+        try {
+            var ch: Number = text.getCharBoundaries(i).width;
+            if (ch == 32) {
+                trace("  Char " + i + " is TestFontA");
+            }
+            if (ch == 30) {
+                trace("  Char " + i + " is TestFontB");
+            }
+        } catch(e) {}
+    }
+}
+}
diff --git a/tests/tests/swfs/fonts/device_font_list/TestFontA.sfd b/tests/tests/swfs/fonts/device_font_list/TestFontA.sfd
@@ -0,0 +1,88 @@
+SplineFontDB: 3.2
+FontName: TestFontA
+FullName: TestFontA
+FamilyName: TestFontA
+Weight: Regular
+Copyright: Copyright (c) 2024, Kamil Jarosz
+UComments: "2024-7-24: Created with FontForge (http://fontforge.org)"
+Version: 001.000
+ItalicAngle: 0
+UnderlinePosition: -76
+UnderlineWidth: 38
+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: 1737156144
+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 2
+
+StartChar: a
+Encoding: 97 97 0
+Width: 1600
+Flags: HW
+LayerCount: 2
+Fore
+SplineSet
+0 800 m 1
+ 1600 800 l 1
+ 1600 0 l 1
+ 0 0 l 1
+ 0 800 l 1
+EndSplineSet
+EndChar
+
+StartChar: c
+Encoding: 99 99 1
+Width: 1600
+Flags: HW
+LayerCount: 2
+Fore
+SplineSet
+0 800 m 1
+ 1600 800 l 1
+ 1600 0 l 1
+ 0 0 l 1
+ 0 800 l 1
+EndSplineSet
+EndChar
+EndChars
+EndSplineFont
diff --git a/tests/tests/swfs/fonts/device_font_list/TestFontA.ttf b/tests/tests/swfs/fonts/device_font_list/TestFontA.ttf
diff --git a/tests/tests/swfs/fonts/device_font_list/TestFontB.sfd b/tests/tests/swfs/fonts/device_font_list/TestFontB.sfd
@@ -0,0 +1,88 @@
+SplineFontDB: 3.2
+FontName: TestFontB
+FullName: TestFontB
+FamilyName: TestFontB
+Weight: Regular
+Copyright: Copyright (c) 2024, Kamil Jarosz
+UComments: "2024-7-24: Created with FontForge (http://fontforge.org)"
+Version: 001.000
+ItalicAngle: 0
+UnderlinePosition: -76
+UnderlineWidth: 38
+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: 1737156185
+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 2
+
+StartChar: b
+Encoding: 98 98 0
+Width: 1500
+Flags: HW
+LayerCount: 2
+Fore
+SplineSet
+0 0 m 1
+ 1500 0 l 5
+ 1500 -200 l 5
+ 0 -200 l 1
+ 0 0 l 1
+EndSplineSet
+EndChar
+
+StartChar: c
+Encoding: 99 99 1
+Width: 1500
+Flags: HW
+LayerCount: 2
+Fore
+SplineSet
+0 0 m 1
+ 1500 0 l 5
+ 1500 -200 l 5
+ 0 -200 l 1
+ 0 0 l 1
+EndSplineSet
+EndChar
+EndChars
+EndSplineFont
diff --git a/tests/tests/swfs/fonts/device_font_list/TestFontB.ttf b/tests/tests/swfs/fonts/device_font_list/TestFontB.ttf
diff --git a/tests/tests/swfs/fonts/device_font_list/output.txt b/tests/tests/swfs/fonts/device_font_list/output.txt
@@ -0,0 +1,64 @@
+Testing CSS font list fallback:
+  Embedded? = false
+  Font list? = Totally Unknown, TestFontA , TestFontB
+  Char 0 is TestFontA
+  Char 2 is TestFontA
+Testing TextFormat font list fallback:
+  Embedded? = false
+  Font list? = Totally Unknown, TestFontA , TestFontB
+  Char 0 is TestFontA
+  Char 2 is TestFontA
+Testing CSS font list fallback:
+  Embedded? = false
+  Font list? =  testFOntB  , TestFontA , TestFontB
+  Char 1 is TestFontB
+  Char 2 is TestFontB
+Testing TextFormat font list fallback:
+  Embedded? = false
+  Font list? =  testFOntB  , TestFontA , TestFontB
+  Char 1 is TestFontB
+  Char 2 is TestFontB
+Testing CSS font list fallback:
+  Embedded? = true
+  Font list? = Totally Unknown, EmbeddedTestFontA, EmbeddedTestFontB
+Testing TextFormat font list fallback:
+  Embedded? = true
+  Font list? = Totally Unknown, EmbeddedTestFontA, EmbeddedTestFontB
+Testing CSS font list fallback:
+  Embedded? = true
+  Font list? = EmbeddedTestFontA
+  Char 0 is TestFontA
+  Char 2 is TestFontA
+Testing TextFormat font list fallback:
+  Embedded? = true
+  Font list? = EmbeddedTestFontA
+  Char 0 is TestFontA
+  Char 2 is TestFontA
+Testing CSS font list fallback:
+  Embedded? = true
+  Font list? =   EmbeddedTestFontA
+  Char 0 is TestFontA
+  Char 2 is TestFontA
+Testing TextFormat font list fallback:
+  Embedded? = true
+  Font list? =   EmbeddedTestFontA
+Testing CSS font list fallback:
+  Embedded? = true
+  Font list? = EmbeddedTestFontA  
+Testing TextFormat font list fallback:
+  Embedded? = true
+  Font list? = EmbeddedTestFontA  
+Testing CSS font list fallback:
+  Embedded? = true
+  Font list? =   EmbeddedTestFontA  
+Testing TextFormat font list fallback:
+  Embedded? = true
+  Font list? =   EmbeddedTestFontA  
+Testing CSS font list fallback:
+  Embedded? = true
+  Font list? =   embeddedTESTFonta
+  Char 0 is TestFontA
+  Char 2 is TestFontA
+Testing TextFormat font list fallback:
+  Embedded? = true
+  Font list? =   embeddedTESTFonta
diff --git a/tests/tests/swfs/fonts/device_font_list/test.swf b/tests/tests/swfs/fonts/device_font_list/test.swf
diff --git a/tests/tests/swfs/fonts/device_font_list/test.toml b/tests/tests/swfs/fonts/device_font_list/test.toml
@@ -0,0 +1,9 @@
+num_ticks = 1
+
+[fonts.a]
+family = "TestFontA"
+path = "TestFontA.ttf"
+
+[fonts.b]
+family = "TestFontB"
+path = "TestFontB.ttf"