line spacing option

assets/resources/application/ar.xml

@@ -988,5 +988,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/be.xml

@@ -996,5 +996,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/bg.xml

@@ -995,5 +995,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/ca.xml

@@ -1016,5 +1016,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/cs.xml

@@ -999,5 +999,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/da.xml

@@ -1010,5 +1010,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/de.xml

@@ -995,5 +995,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/el.xml

@@ -988,5 +988,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/en.xml

@@ -990,5 +990,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%"/>
+		<node name="percent" value="E.g.: 125%"/>
 	</node>
 </resources>

assets/resources/application/es.xml

@@ -995,5 +995,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/eu.xml

@@ -1016,5 +1016,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/fa.xml

@@ -990,5 +990,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/fr.xml

@@ -983,5 +983,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/gl.xml

@@ -980,5 +980,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/hu.xml

@@ -980,5 +980,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/hy.xml

@@ -995,5 +995,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/it.xml

@@ -981,5 +981,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/ka.xml

@@ -995,5 +995,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/nb.xml

@@ -990,5 +990,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/nl.xml

@@ -990,5 +990,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/pl.xml

@@ -980,5 +980,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/pt.xml

@@ -992,5 +992,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/ro.xml

@@ -980,5 +980,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/ru.xml

@@ -995,5 +995,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="Например: 20px, 10pt, 0.8em, 1ex, 120%"/>
 		<node name="length" value="Например: -2px, 10pt, -0.8em, 1.1ex, -40%"/>
+		<node name="percent" value="Например: 125%"/>
 	</node>
 </resources>

assets/resources/application/sr.xml

@@ -990,5 +990,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/th.xml

@@ -980,5 +980,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/tr.xml

@@ -990,5 +990,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/uk.xml

@@ -980,5 +980,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/vi.xml

@@ -980,5 +980,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/zh.xml

@@ -980,5 +980,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

assets/resources/application/zh_TW.xml

@@ -980,5 +980,6 @@
 	<node name="hint">
 		<node name="positiveLength" value="E.g.: 20px, 10pt, 0.8em, 1ex, 120%" toBeTranslated="true"/>
 		<node name="length" value="E.g.: -2px, 10pt, -0.8em, 1.1ex, -40%" toBeTranslated="true"/>
+		<node name="percent" value="E.g.: 125%" toBeTranslated="true"/>
 	</node>
 </resources>

src/org/geometerplus/android/fbreader/preferences/PreferenceActivity.java

@@ -254,24 +254,6 @@ public class PreferenceActivity extends ZLPreferenceActivity {
 		textScreen.addOption(baseStyle.AutoHyphenationOption, "autoHyphenations");
 
 		final Screen moreStylesScreen = textScreen.createPreferenceScreen("more");
-
-		/*
-			final ZLIntegerOption spacePercentOption = decoration.LineSpacePercentOption;
-			final int[] spacingValues = new int[17];
-			final String[] spacingKeys = new String[17];
-			spacingValues[0] = -1;
-			spacingKeys[0] = "unchanged";
-			for (int j = 1; j < spacingValues.length; ++j) {
-				final int val = 4 + j;
-				spacingValues[j] = 10 * val;
-				spacingKeys[j] = (char)(val / 10 + '0') + decimalSeparator + (char)(val % 10 + '0');
-			}
-			formatScreen.addPreference(new ZLIntegerChoicePreference(
-				this, textScreen.Resource, "lineSpacing",
-				spacePercentOption, spacingValues, spacingKeys
-			));
-		*/
-
 		for (ZLTextNGStyleDescription description : collection.getDescriptionList()) {
 			final Screen ngScreen = moreStylesScreen.createPreferenceScreen(description.Name);
 			ngScreen.addPreference(new FontPreference(
@@ -308,6 +290,11 @@ public class PreferenceActivity extends ZLPreferenceActivity {
 				description.AlignmentOption,
 				new String[] { "inherit", "left", "right", "center", "justify" }
 			));
+			ngScreen.addPreference(new StringPreference(
+				this, description.LineHeightOption,
+				StringPreference.Constraint.PERCENT,
+				textScreen.Resource, "lineSpacing"
+			));
 			ngScreen.addPreference(new StringPreference(
 				this, description.MarginTopOption,
 				StringPreference.Constraint.LENGTH,

src/org/geometerplus/android/fbreader/preferences/StringPreference.java

@@ -37,13 +37,17 @@ import org.geometerplus.zlibrary.ui.android.R;
 public class StringPreference extends DialogPreference {
 	public static class Constraint {
 		public static final Constraint LENGTH = new Constraint(
-			"(-{0,1}([0-9]*\\.){0,1}[0-9]+(%|em|ex|px|pt)|)",
+			"-{0,1}([0-9]*\\.){0,1}[0-9]+(%|em|ex|px|pt)|",
 			"length"
 		);
 		public static final Constraint POSITIVE_LENGTH = new Constraint(
-			"(([0-9]*\\.){0,1}[0-9]+(%|em|ex|px|pt)|)",
+			"([0-9]*\\.){0,1}[0-9]+(%|em|ex|px|pt)|",
 			"positiveLength"
 		);
+		public static final Constraint PERCENT = new Constraint(
+			"([1-9][0-9]{1,2}%)|",
+			"percent"
+		);
 
 		private final Pattern myPattern;
 		public final String HintKey;

src/org/geometerplus/zlibrary/text/view/style/ZLTextDecoratedStyle.java

@@ -35,6 +35,7 @@ public abstract class ZLTextDecoratedStyle extends ZLTextStyle {
 	private boolean myIsBold;
 	private boolean myIsUnderline;
 	private boolean myIsStrikeThrough;
+	private int myLineSpacePercent;
 
 	private boolean myIsNotCached = true;
 
@@ -60,6 +61,7 @@ public abstract class ZLTextDecoratedStyle extends ZLTextStyle {
 		myIsBold = isBoldInternal();
 		myIsUnderline = isUnderlineInternal();
 		myIsStrikeThrough = isStrikeThroughInternal();
+		myLineSpacePercent = getLineSpacePercentInternal();
 
 		myIsNotCached = false;
 	}
@@ -182,4 +184,13 @@ public abstract class ZLTextDecoratedStyle extends ZLTextStyle {
 		return myFirstLineIndent;
 	}
 	protected abstract int getFirstLineIndentInternal(ZLTextMetrics metrics, int fontSize);
+
+	@Override
+	public final int getLineSpacePercent() {
+		if (myIsNotCached) {
+			initCache();
+		}
+		return myLineSpacePercent;
+	}
+	protected abstract int getLineSpacePercentInternal();
 }

src/org/geometerplus/zlibrary/text/view/style/ZLTextExplicitlyDecoratedStyle.java

@@ -158,7 +158,7 @@ public class ZLTextExplicitlyDecoratedStyle extends ZLTextDecoratedStyle impleme
 		return myEntry.getLength(LENGTH_RIGHT_INDENT, metrics, fontSize);
 	}
 	@Override
-	public int getFirstLineIndentInternal(ZLTextMetrics metrics, int fontSize) {
+	protected int getFirstLineIndentInternal(ZLTextMetrics metrics, int fontSize) {
 		if (myEntry instanceof ZLTextCSSStyleEntry && !BaseStyle.UseCSSMarginsOption.getValue()) {
 			return Parent.getFirstLineIndent(metrics);
 		}
@@ -168,7 +168,8 @@ public class ZLTextExplicitlyDecoratedStyle extends ZLTextDecoratedStyle impleme
 		}
 		return myEntry.getLength(LENGTH_FIRST_LINE_INDENT, metrics, fontSize);
 	}
-	public int getLineSpacePercent() {
+	@Override
+	protected int getLineSpacePercentInternal() {
 		// TODO: implement
 		return Parent.getLineSpacePercent();
 	}

src/org/geometerplus/zlibrary/text/view/style/ZLTextNGStyle.java

@@ -105,21 +105,25 @@ public class ZLTextNGStyle extends ZLTextDecoratedStyle {
 	}
 
 	@Override
-	public int getLeftIndentInternal(ZLTextMetrics metrics, int fontSize) {
+	protected int getLeftIndentInternal(ZLTextMetrics metrics, int fontSize) {
 		return myDescription.getLeftIndent(metrics, Parent.getLeftIndent(metrics), fontSize);
 	}
 	@Override
-	public int getRightIndentInternal(ZLTextMetrics metrics, int fontSize) {
+	protected int getRightIndentInternal(ZLTextMetrics metrics, int fontSize) {
 		return myDescription.getRightIndent(metrics, Parent.getRightIndent(metrics), fontSize);
 	}
 	@Override
-	public int getFirstLineIndentInternal(ZLTextMetrics metrics, int fontSize) {
+	protected int getFirstLineIndentInternal(ZLTextMetrics metrics, int fontSize) {
 		return myDescription.getFirstLineIndent(metrics, Parent.getFirstLineIndent(metrics), fontSize);
 	}
-	public int getLineSpacePercent() {
+	@Override
-		// TODO: implement
+	protected int getLineSpacePercentInternal() {
+		final String lineHeight = myDescription.LineHeightOption.getValue();
+		if (!lineHeight.matches("[1-9][0-9]*%")) {
 			return Parent.getLineSpacePercent();
 		}
+		return Integer.valueOf(lineHeight.substring(0, lineHeight.length() - 1));
+	}
 	@Override
 	protected int getVerticalAlignInternal(ZLTextMetrics metrics, int fontSize) {
 		return myDescription.getVerticalAlign(metrics, Parent.getVerticalAlign(metrics), fontSize);

src/org/geometerplus/zlibrary/text/view/style/ZLTextNGStyleDescription.java

@@ -42,6 +42,7 @@ public class ZLTextNGStyleDescription {
 	public final ZLStringOption TextIndentOption;
 	public final ZLStringOption AlignmentOption;
 	public final ZLStringOption VerticalAlignOption;
+	public final ZLStringOption LineHeightOption;
 
 	private static ZLStringOption createOption(String selector, String name, Map<String,String> valueMap) {
 		return new ZLStringOption("Style", selector + "::" + name, valueMap.get(name));
@@ -63,6 +64,7 @@ public class ZLTextNGStyleDescription {
 		TextIndentOption = createOption(selector, "text-indent", valueMap);
 		AlignmentOption = createOption(selector, "text-align", valueMap);
 		VerticalAlignOption = createOption(selector, "vertical-align", valueMap);
+		LineHeightOption = createOption(selector, "line-height", valueMap);
 	}
 
 	int getFontSize(ZLTextMetrics metrics, int baseFontSize) {