MagnumFont[Converter]: support for line height.

src/Plugins/MagnumFont/MagnumFont.cpp

@@ -160,7 +160,7 @@ std::pair<Float, Float> MagnumFont::openInternal(Utility::Configuration&& conf,
         _opened->glyphId.emplace(c->value<char32_t>("unicode"), glyphId);
     }
 
-    return {_opened->conf.value<Float>("fontSize"), 0};
+    return {_opened->conf.value<Float>("fontSize"), _opened->conf.value<Float>("lineHeight")};
 }
 
 void MagnumFont::doClose() {

src/Plugins/MagnumFont/Test/MagnumFontTest.cpp

@@ -51,6 +51,7 @@ void MagnumFontTest::properties() {
     MagnumFont font;
     CORRADE_VERIFY(font.openFile(Utility::Directory::join(MAGNUMFONT_TEST_DIR, "font.conf"), 0.0f));
     CORRADE_COMPARE(font.size(), 16.0f);
+    CORRADE_COMPARE(font.lineHeight(), 39.7333f);
     CORRADE_COMPARE(font.glyphAdvance(font.glyphId(U'W')), Vector2(23.0f, 0.0f));
 }
 

src/Plugins/MagnumFont/Test/font.conf

@@ -3,6 +3,7 @@ image=font.tga
 originalImageSize=1536 1536
 padding=24 24
 fontSize=16
+lineHeight=39.7333
 [char]
 unicode=57
 glyph=2

src/Plugins/MagnumFontConverter/MagnumFontConverter.cpp

@@ -57,6 +57,7 @@ std::vector<std::pair<std::string, Containers::Array<unsigned char>>> MagnumFont
     configuration.setValue("originalImageSize", cache.textureSize());
     configuration.setValue("padding", cache.padding());
     configuration.setValue("fontSize", font.size());
+    configuration.setValue("lineHeight", font.lineHeight());
 
     /* Compress glyph IDs so the glyphs are in consecutive array, glyph 0
        should stay at position 0 */

src/Plugins/MagnumFontConverter/Test/MagnumFontConverterTest.cpp

@@ -67,7 +67,7 @@ void MagnumFontConverterTest::exportFont() {
             bool doIsOpened() const { return _opened; }
             std::pair<Float, Float> doOpenFile(const std::string&, Float) {
                 _opened = true;
-                return {16.0f, 0};
+                return {16.0f, 39.7333f};
             }
             Features doFeatures() const { return {}; }
             std::unique_ptr<AbstractLayouter> doLayout(const GlyphCache&, Float, const std::string&) { return nullptr; }