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-rw-r--r--src/java/org/apache/fop/render/awt/AWTRenderer.java6
-rw-r--r--src/java/org/apache/fop/render/extensions/prepress/PageScale.java (renamed from src/java/org/apache/fop/render/extensions/prepress/PageScaleAttributes.java)46
-rw-r--r--src/java/org/apache/fop/render/java2d/Java2DRenderer.java6
-rw-r--r--src/java/org/apache/fop/render/pdf/PDFDocumentHandler.java6
-rw-r--r--test/java/org/apache/fop/render/extensions/prepress/PageScaleTest.java10
5 files changed, 44 insertions, 30 deletions
diff --git a/src/java/org/apache/fop/render/awt/AWTRenderer.java b/src/java/org/apache/fop/render/awt/AWTRenderer.java
index 170df3f4d..b50708112 100644
--- a/src/java/org/apache/fop/render/awt/AWTRenderer.java
+++ b/src/java/org/apache/fop/render/awt/AWTRenderer.java
@@ -47,7 +47,7 @@ import org.apache.fop.render.awt.viewer.PreviewDialog;
import org.apache.fop.render.awt.viewer.Renderable;
import org.apache.fop.render.awt.viewer.StatusListener;
import org.apache.fop.render.java2d.Java2DRenderer;
-import org.apache.fop.render.extensions.prepress.PageScaleAttributes;
+import org.apache.fop.render.extensions.prepress.PageScale;
/**
* The AWTRender outputs the pages generated by the layout engine to a Swing
@@ -159,8 +159,8 @@ public class AWTRenderer extends Java2DRenderer implements Pageable {
/ userAgent.getTargetPixelUnitToMillimeter();
if (getPageViewport(pageNum).getForeignAttributes() != null) {
String scale = (String) getPageViewport(pageNum).getForeignAttributes().get(
- PageScaleAttributes.EXT_PAGE_SCALE);
- Point2D scales = PageScaleAttributes.getScaleAttributes(scale);
+ PageScale.EXT_PAGE_SCALE);
+ Point2D scales = PageScale.getScale(scale);
if (scales != null) {
scaleX *= scales.getX();
scaleY *= scales.getY();
diff --git a/src/java/org/apache/fop/render/extensions/prepress/PageScaleAttributes.java b/src/java/org/apache/fop/render/extensions/prepress/PageScale.java
index d57ea708b..361423753 100644
--- a/src/java/org/apache/fop/render/extensions/prepress/PageScaleAttributes.java
+++ b/src/java/org/apache/fop/render/extensions/prepress/PageScale.java
@@ -21,6 +21,7 @@ package org.apache.fop.render.extensions.prepress;
import java.awt.geom.Point2D;
import java.text.MessageFormat;
+import java.util.regex.Pattern;
import org.apache.xmlgraphics.util.QName;
@@ -29,7 +30,7 @@ import org.apache.fop.fo.extensions.ExtensionElementMapping;
/**
* This class provides utility methods to parse the 'fox:scale' extension attribute.
*/
-public final class PageScaleAttributes {
+public final class PageScale {
/**
* The extension 'scale' attribute for the simple-page-master element.
@@ -37,11 +38,12 @@ public final class PageScaleAttributes {
public static final QName EXT_PAGE_SCALE
= new QName(ExtensionElementMapping.URI, null, "scale");
+ private static final Pattern WHITESPACE_PATTERN = Pattern.compile("\\s+");
/**
* Utility classes should not have a public or default constructor
*/
- private PageScaleAttributes() {
+ private PageScale() {
}
/**
@@ -50,31 +52,41 @@ public final class PageScaleAttributes {
* @param scale scale attribute, input format: scaleX [scaleY]
* @return the pair of (sx, sy) values
*/
- public static Point2D.Double getScaleAttributes(String scale) {
+ public static Point2D getScale(String scale) {
+ // TODO throw appropriate exceptions that can be caught by the event
+ // notification mechanism
final String err = "Extension 'scale' attribute has incorrect value(s): {0}";
- if (scale == null) {
+ if (scale == null || scale.equals("")) {
return null;
}
- Point2D.Double result = null;
-
+ String[] scales = WHITESPACE_PATTERN.split(scale);
+ double scaleX;
try {
- String[] scales = scale.split(" ");
- if (scales.length > 0) {
- result = new Point2D.Double(Double.parseDouble(scales[0]),
- Double.parseDouble(scales[0]));
- }
- if (scales.length > 1) {
- result.y = Double.parseDouble(scales[1]);
- }
- if (result.x <= 0 || result.y <= 0) {
+ scaleX = Double.parseDouble(scales[0]);
+ } catch (NumberFormatException nfe) {
+ throw new IllegalArgumentException(MessageFormat.format(err, new Object[]{scale}));
+ }
+ double scaleY;
+ switch (scales.length) {
+ case 1:
+ scaleY = scaleX;
+ break;
+ case 2:
+ try {
+ scaleY = Double.parseDouble(scales[1]);
+ } catch (NumberFormatException nfe) {
throw new IllegalArgumentException(MessageFormat.format(err, new Object[]{scale}));
}
- } catch (NumberFormatException nfe) {
+ break;
+ default:
+ throw new IllegalArgumentException("Too many arguments");
+ }
+ if (scaleX <= 0 || scaleY <= 0) {
throw new IllegalArgumentException(MessageFormat.format(err, new Object[]{scale}));
}
- return result;
+ return new Point2D.Double(scaleX, scaleY);
}
}
diff --git a/src/java/org/apache/fop/render/java2d/Java2DRenderer.java b/src/java/org/apache/fop/render/java2d/Java2DRenderer.java
index aa25b3325..f09794ff2 100644
--- a/src/java/org/apache/fop/render/java2d/Java2DRenderer.java
+++ b/src/java/org/apache/fop/render/java2d/Java2DRenderer.java
@@ -77,7 +77,7 @@ import org.apache.fop.render.AbstractPathOrientedRenderer;
import org.apache.fop.render.Graphics2DAdapter;
import org.apache.fop.render.RendererContext;
import org.apache.fop.render.extensions.prepress.PageBoundaries;
-import org.apache.fop.render.extensions.prepress.PageScaleAttributes;
+import org.apache.fop.render.extensions.prepress.PageScale;
import org.apache.fop.render.pdf.CTMHelper;
import org.apache.fop.util.CharUtilities;
import org.apache.fop.util.ColorUtil;
@@ -309,8 +309,8 @@ public abstract class Java2DRenderer extends AbstractPathOrientedRenderer implem
double scaleX = scaleFactor;
double scaleY = scaleFactor;
String scale = (String) currentPageViewport.getForeignAttributes().get(
- PageScaleAttributes.EXT_PAGE_SCALE);
- Point2D scales = PageScaleAttributes.getScaleAttributes(scale);
+ PageScale.EXT_PAGE_SCALE);
+ Point2D scales = PageScale.getScale(scale);
if (scales != null) {
scaleX *= scales.getX();
scaleY *= scales.getY();
diff --git a/src/java/org/apache/fop/render/pdf/PDFDocumentHandler.java b/src/java/org/apache/fop/render/pdf/PDFDocumentHandler.java
index fab93e3c4..12f99780b 100644
--- a/src/java/org/apache/fop/render/pdf/PDFDocumentHandler.java
+++ b/src/java/org/apache/fop/render/pdf/PDFDocumentHandler.java
@@ -42,7 +42,7 @@ import org.apache.fop.pdf.PDFReference;
import org.apache.fop.pdf.PDFResourceContext;
import org.apache.fop.pdf.PDFResources;
import org.apache.fop.render.extensions.prepress.PageBoundaries;
-import org.apache.fop.render.extensions.prepress.PageScaleAttributes;
+import org.apache.fop.render.extensions.prepress.PageScale;
import org.apache.fop.render.intermediate.AbstractBinaryWritingIFDocumentHandler;
import org.apache.fop.render.intermediate.IFContext;
import org.apache.fop.render.intermediate.IFDocumentHandlerConfigurator;
@@ -183,8 +183,8 @@ public class PDFDocumentHandler extends AbstractBinaryWritingIFDocumentHandler {
double scaleX = 1;
double scaleY = 1;
String scale = (String) getContext().getForeignAttribute(
- PageScaleAttributes.EXT_PAGE_SCALE);
- Point2D scales = PageScaleAttributes.getScaleAttributes(scale);
+ PageScale.EXT_PAGE_SCALE);
+ Point2D scales = PageScale.getScale(scale);
if (scales != null) {
scaleX = scales.getX();
scaleY = scales.getY();
diff --git a/test/java/org/apache/fop/render/extensions/prepress/PageScaleTest.java b/test/java/org/apache/fop/render/extensions/prepress/PageScaleTest.java
index fc95e854d..cbf6f5226 100644
--- a/test/java/org/apache/fop/render/extensions/prepress/PageScaleTest.java
+++ b/test/java/org/apache/fop/render/extensions/prepress/PageScaleTest.java
@@ -46,14 +46,14 @@ public class PageScaleTest extends TestCase {
/** 1 value is used for both x and y. */
public void testScale1() {
- Point2D res = PageScaleAttributes.getScaleAttributes(".5");
+ Point2D res = PageScale.getScale(".5");
assertEquals(0.5, res.getX(), 0.0);
assertEquals(0.5, res.getY(), 0.0);
}
/** Two values, used resp. for x and y. */
public void testScale2() {
- Point2D res = PageScaleAttributes.getScaleAttributes("1. 1.2");
+ Point2D res = PageScale.getScale("1. \t \n 1.2");
assertEquals(1.0, res.getX(), 0.0);
assertEquals(1.2, res.getY(), 0.0);
}
@@ -61,7 +61,7 @@ public class PageScaleTest extends TestCase {
/** Scale must not contain units. */
public void testScaleFail() {
try {
- PageScaleAttributes.getScaleAttributes("0.5mm 0.5cm");
+ PageScale.getScale("0.5mm 0.5cm");
fail("Expected IllegalArgumentException. Scale shouldn't contain units");
} catch (IllegalArgumentException iae) {
// Good!
@@ -70,7 +70,9 @@ public class PageScaleTest extends TestCase {
/** @{code null} is returned when scale is unspecified. */
public void testScaleNull() {
- Point2D res = PageScaleAttributes.getScaleAttributes(null);
+ Point2D res = PageScale.getScale(null);
+ assertNull("Result should be null", res);
+ res = PageScale.getScale("");
assertNull("Result should be null", res);
}