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Further enhancements to Font Metrics support, wrt fonts with bold/italic varients, such as dialog (plus tests)

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@564263 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2007-08-09 16:27:16 +00:00
parent 03f738225f
commit 09bcbf7f97
3 changed files with 46 additions and 8 deletions
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16
src/java/org/apache/poi/hssf/usermodel/FontDetails.java
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@ -82,6 +82,16 @@ public class FontDetails
}
}
protected static String buildFontHeightProperty(String fontName) {
return "font." + fontName + ".height";
}
protected static String buildFontWidthsProperty(String fontName) {
return "font." + fontName + ".widths";
}
protected static String buildFontCharactersProperty(String fontName) {
return "font." + fontName + ".characters";
}
/**
* Create an instance of <code>FontDetails</code> by loading them from the
* provided property object.
@ -92,9 +102,9 @@ public class FontDetails
*/
public static FontDetails create( String fontName, Properties fontMetricsProps )
{
String heightStr = fontMetricsProps.getProperty( "font." + fontName + ".height");
String widthsStr = fontMetricsProps.getProperty( "font." + fontName + ".widths");
String charactersStr = fontMetricsProps.getProperty( "font." + fontName + ".characters");
String heightStr = fontMetricsProps.getProperty( buildFontHeightProperty(fontName) );
String widthsStr = fontMetricsProps.getProperty( buildFontWidthsProperty(fontName) );
String charactersStr = fontMetricsProps.getProperty( buildFontCharactersProperty(fontName) );
// Ensure that this is a font we know about
if(heightStr == null || widthsStr == null || charactersStr == null) {

29
src/java/org/apache/poi/hssf/usermodel/StaticFontMetrics.java
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@ -32,7 +32,9 @@ import java.io.*;
*/
class StaticFontMetrics
{
/** The font metrics property file we're using */
private static Properties fontMetricsProps;
/** Our cache of font details we've already looked up */
private static Map fontDetailsMap = new HashMap();
/**
@ -42,6 +44,8 @@ class StaticFontMetrics
*/
public static FontDetails getFontDetails(Font font)
{
// If we haven't already identified out font metrics file,
// figure out which one to use and load it
if (fontMetricsProps == null)
{
InputStream metricsIn = null;
@ -81,16 +85,31 @@ class StaticFontMetrics
}
}
// Grab the base name of the font they've asked about
String fontName = font.getName();
if (fontDetailsMap.get(fontName) == null)
{
// Some fonts support plain/bold/italic/bolditalic variants
// Others have different font instances for bold etc
// (eg font.dialog.plain.* vs font.Californian FB Bold.*)
String fontStyle = "";
if(font.isPlain()) fontStyle += "plain";
if(font.isBold()) fontStyle += "bold";
if(font.isItalic()) fontStyle += "italic";
// Do we have a definition for this font with just the name?
// If not, check with the font style added
if(fontMetricsProps.get(FontDetails.buildFontHeightProperty(fontName)) == null &&
fontMetricsProps.get(FontDetails.buildFontHeightProperty(fontName+"."+fontStyle)) != null) {
// Need to add on the style to the font name
fontName += "." + fontStyle;
}
// Get the details on this font
if (fontDetailsMap.get(fontName) == null) {
FontDetails fontDetails = FontDetails.create(fontName, fontMetricsProps);
fontDetailsMap.put( fontName, fontDetails );
return fontDetails;
}
else
{
} else {
return (FontDetails) fontDetailsMap.get(fontName);
}

9
src/testcases/org/apache/poi/hssf/usermodel/TestEscherGraphics2d.java
View File

@ -56,6 +56,15 @@ public class TestEscherGraphics2d extends TestCase
graphics.setFont(font);
graphics.drawString("This is another test", 10, 10);
// And test with ones that need the style appending
font = new Font("dialog", Font.PLAIN, 12);
graphics.setFont(font);
graphics.drawString("This is another test", 10, 10);
font = new Font("dialog", Font.BOLD, 12);
graphics.setFont(font);
graphics.drawString("This is another test", 10, 10);
// But with an invalid font, we get an exception
font = new Font("IamAmadeUPfont", Font.PLAIN, 22);
graphics.setFont(font);