#63818 - Allow multiple charsets for same font typeface

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1868358 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/hpsf/ClassIDPredefined.java

@@ -84,7 +84,9 @@ public enum ClassIDPredefined {
     /** AcroExch.Document */
     PDF                  ("{B801CA65-A1FC-11D0-85AD-444553540000}", ".pdf", "application/pdf"),
     /** Plain Text Persistent Handler **/
-    TXT_ONLY             ("{5e941d80-bf96-11cd-b579-08002b30bfeb}", ".txt", "text/plain")
+    TXT_ONLY             ("{5e941d80-bf96-11cd-b579-08002b30bfeb}", ".txt", "text/plain"),
+    /** Microsoft Paint **/
+    PAINT                ("{0003000A-0000-0000-C000-000000000046}", null, null)
     ;
     
     private static final Map<String,ClassIDPredefined> LOOKUP = new HashMap<>();

src/scratchpad/src/org/apache/poi/hslf/record/FontCollection.java

@@ -24,8 +24,10 @@ import java.util.ArrayList;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.function.Predicate;
 import java.util.function.Supplier;
 
+import org.apache.poi.common.usermodel.fonts.FontCharset;
 import org.apache.poi.common.usermodel.fonts.FontHeader;
 import org.apache.poi.common.usermodel.fonts.FontInfo;
 import org.apache.poi.common.usermodel.fonts.FontPitch;
@@ -41,7 +43,7 @@ import org.apache.poi.util.POILogger;
 
 @SuppressWarnings("WeakerAccess")
 public final class FontCollection extends RecordContainer {
-    private final Map<String,HSLFFontInfo> fonts = new LinkedHashMap<>();
+    private final Map<Integer,HSLFFontInfo> fonts = new LinkedHashMap<>();
     private byte[] _header;
 
 	/* package */ FontCollection(byte[] source, int start, int len) {
@@ -53,7 +55,7 @@ public final class FontCollection extends RecordContainer {
 		for (Record r : _children){
 			if(r instanceof FontEntityAtom) {
                 HSLFFontInfo fi = new HSLFFontInfo((FontEntityAtom) r);
-                fonts.put(fi.getTypeface(), fi);
+                fonts.put(fi.getIndex(), fi);
             } else if (r instanceof FontEmbeddedData) {
                 FontEmbeddedData fed = (FontEmbeddedData)r;
 			    FontHeader fontHeader = fed.getFontHeader();
@@ -93,14 +95,14 @@ public final class FontCollection extends RecordContainer {
      * @return the register HSLFFontInfo object
      */
     public HSLFFontInfo addFont(FontInfo fontInfo) {
-        HSLFFontInfo fi = getFontInfo(fontInfo.getTypeface());
+        HSLFFontInfo fi = getFontInfo(fontInfo.getTypeface(), fontInfo.getCharset());
         if (fi != null) {
             return fi;
         }
 
         fi = new HSLFFontInfo(fontInfo);
         fi.setIndex(fonts.size());
-        fonts.put(fi.getTypeface(), fi);
+        fonts.put(fi.getIndex(), fi);
 
         FontEntityAtom fnt = fi.createRecord();
 
@@ -172,7 +174,23 @@ public final class FontCollection extends RecordContainer {
      * @return the HSLFFontInfo for the given name or {@code null} if not found
      */
     public HSLFFontInfo getFontInfo(String typeface) {
-        return fonts.get(typeface);
+        return getFontInfo(typeface, null);
+    }
+
+    /**
+     * Lookup a FontInfo object by its typeface
+     *
+     * @param typeface the full font name
+     * @param charset the charset
+     *
+     * @return the HSLFFontInfo for the given name or {@code null} if not found
+     */
+    public HSLFFontInfo getFontInfo(String typeface, FontCharset charset) {
+        return fonts.values().stream().filter(findFont(typeface, charset)).findFirst().orElse(null);
+    }
+
+    private static Predicate<HSLFFontInfo> findFont(String typeface, FontCharset charset) {
+        return (fi) -> typeface.equals(fi.getTypeface()) && (charset == null || charset.equals(fi.getCharset()));
     }
 
     /**

src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideMaster.java

@@ -89,38 +89,50 @@ public final class HSLFSlideMaster extends HSLFMasterSheet {
      */
     @Override
     public TextPropCollection getPropCollection(final int txtype, final int level, final String name, final boolean isCharacter) {
-        if (txtype < _txmaster.length) {
-            final TxMasterStyleAtom t = _txmaster[txtype];
-            final List<TextPropCollection> styles = isCharacter ? t.getCharacterStyles() : t.getParagraphStyles();
-            // TODO: what is the reaction for readOnly=false and styles.isEmpty()?
-            final int minLevel = Math.min(level, styles.size()-1);
-            if ("*".equals(name)) {
-                return styles.get(minLevel);
-            }
-            
-            for (int i=minLevel; i >= 0; i--) {
-                final TextPropCollection col = styles.get(i);
-                final TextProp tp = col.findByName(name);
-                if (tp != null) {
-                    return col;
-                }
-            }
+        TextPropCollection tpc = getPropHelper(txtype, level, name, isCharacter);
+        if (tpc != null) {
+            return tpc;
         }
 
-        switch (TextPlaceholder.fromNativeId(txtype)) {
+        TextPlaceholder tp = TextPlaceholder.fromNativeId(txtype);
+        switch (tp == null ? TextPlaceholder.BODY : tp) {
             case BODY:
             case CENTER_BODY:
             case HALF_BODY:
             case QUARTER_BODY:
-                return getPropCollection(TextPlaceholder.BODY.nativeId, level, name, isCharacter);
+                return getPropHelper(TextPlaceholder.BODY.nativeId, level, name, isCharacter);
             case TITLE:
             case CENTER_TITLE:
-                return getPropCollection(TextPlaceholder.TITLE.nativeId, level, name, isCharacter);
+                return getPropHelper(TextPlaceholder.TITLE.nativeId, level, name, isCharacter);
             default:
                 return null;
         }
     }
 
+    private TextPropCollection getPropHelper(final int txtype, final int level, final String name, final boolean isCharacter) {
+        if (txtype >= _txmaster.length) {
+            return null;
+        }
+        final TxMasterStyleAtom t = _txmaster[txtype];
+        final List<TextPropCollection> styles = isCharacter ? t.getCharacterStyles() : t.getParagraphStyles();
+        // TODO: what is the reaction for readOnly=false and styles.isEmpty()?
+        final int minLevel = Math.min(level, styles.size()-1);
+        if ("*".equals(name)) {
+            return styles.get(minLevel);
+        }
+
+        for (int i=minLevel; i >= 0; i--) {
+            final TextPropCollection col = styles.get(i);
+            final TextProp tp = col.findByName(name);
+            if (tp != null) {
+                return col;
+            }
+        }
+
+        return null;
+    }
+
+
     /**
      * Assign SlideShow for this slide master.
      */