Cleaned up and re-organized PS gradient test case

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/FOP-2393_gradient-rendering@1611648 13f79535-47bb-0310-9956-ffa450edef68

build.xml

@@ -732,6 +732,7 @@ list of possible build targets.
         <include name="**/*.fo"/>
         <include name="**/BidiTestData*.ser"/>
         <include name="**/*.afp"/>
+        <include name="**/*.ps"/>
         <include name="**/*.xsl"/>
       </fileset>
       <fileset dir="${build.dir}/test-gensrc">

test/java/org/apache/fop/render/ps/svg/GradientTestCase.java

@@ -0,0 +1,75 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* $Id$ */
+
+package org.apache.fop.render.ps.svg;
+
+import java.awt.Color;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+import org.apache.commons.io.IOUtils;
+
+import org.apache.batik.ext.awt.LinearGradientPaint;
+import org.apache.batik.ext.awt.MultipleGradientPaint;
+import org.apache.batik.ext.awt.RadialGradientPaint;
+
+import org.apache.xmlgraphics.java2d.GraphicContext;
+import org.apache.xmlgraphics.ps.PSGenerator;
+
+public class GradientTestCase {
+
+    @Test
+    public void testLinearGradient() throws IOException {
+        float[] fractions = {0f, 1f};
+        Color[] colors = {new Color(255, 255, 0), new Color(255, 0, 0)};
+        LinearGradientPaint gradient = new LinearGradientPaint(115f, 285f, 15f, 15f, fractions, colors);
+        testGradientRendering(gradient, "expected-linear-gradient.ps");
+    }
+
+    @Test
+    public void testRadialGradient() throws IOException {
+        float cx = 840f;
+        float cy = 180f;
+        float r = 16f;
+        float[] fractions = {0.2f, 0.6f, 0.8f, 1.0f};
+        Color[] colors = {
+                new Color(255, 255, 255),
+                new Color(200, 200, 200),
+                new Color(170, 170, 170),
+                new Color(140, 140, 140)};
+        RadialGradientPaint gradient = new RadialGradientPaint(cx, cy, r, fractions, colors);
+        testGradientRendering(gradient, "expected-radial-gradient.ps");
+    }
+
+    private void testGradientRendering(MultipleGradientPaint gradient, String expectedResourceName)
+            throws IOException {
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        PSSVGGraphics2D svgGraphics2D = new PSSVGGraphics2D(false, new PSGenerator(out));
+        svgGraphics2D.setGraphicContext(new GraphicContext());
+        svgGraphics2D.applyPaint(gradient, true);
+        byte[] actual = out.toByteArray();
+        byte[] expected = IOUtils.toByteArray(getClass().getResourceAsStream(expectedResourceName));
+        assertEquals(new String(expected, "US-ASCII"), new String(actual, "US-ASCII"));
+    }
+
+}

test/java/org/apache/fop/render/ps/svg/PSSVGGraphics2DTestCase.java

@@ -1,71 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/* $Id$ */
-
-package org.apache.fop.render.ps.svg;
-
-import java.awt.Color;
-import java.awt.geom.AffineTransform;
-import java.awt.geom.Rectangle2D;
-import java.awt.geom.Rectangle2D.Float;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.IOException;
-
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-import org.apache.commons.io.FileUtils;
-
-import org.apache.batik.ext.awt.RadialGradientPaint;
-
-import org.apache.xmlgraphics.java2d.GraphicContext;
-import org.apache.xmlgraphics.ps.PSGenerator;
-
-public class PSSVGGraphics2DTestCase {
-
-    float cx = 841.891f;
-    float cy = 178.583f;
-    float r = 16.4331f;
-    float[] fractions = {0.2f, 0.6012f, 0.8094f, 1.0f};
-
-    /**
-     * Tests a radial gradient generated pattern with certain inputs against
-     * an expected output.
-     * @throws IOException
-     */
-    @Test
-    public void testApplyPaint() throws IOException {
-        ByteArrayOutputStream os = new ByteArrayOutputStream();
-        PSGenerator gen = new PSGenerator(os);
-        PSSVGGraphics2D svgGraphics2D = new PSSVGGraphics2D(false, gen);
-        svgGraphics2D.setGraphicContext(new GraphicContext());
-        svgGraphics2D.setTransform(new AffineTransform());
-        Color[] colors = {new Color(255, 255, 255), new Color(200, 200, 200),
-                new Color(170, 170, 170), new Color(140, 140, 140)};
-        RadialGradientPaint paint = new RadialGradientPaint(cx, cy, r, fractions, colors);
-        Float s = new Rectangle2D.Float(7.0f, 3.0f, 841.891f, 178.583f);
-        svgGraphics2D.applyPaint(paint, true);
-        byte[] test = os.toByteArray();
-
-        byte[] expected = FileUtils.readFileToByteArray(
-                new File("test/java/org/apache/fop/render/ps/svg/expected.ps"));
-        assertEquals(new String(test), new String(expected));
-    }
-}

test/java/org/apache/fop/render/ps/svg/PSSVGLinearGraphics2DTestCase.java

@@ -1,70 +0,0 @@
- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/* $Id$ */
-
-package org.apache.fop.render.ps.svg;
-
-import java.awt.Color;
-import java.awt.geom.AffineTransform;
-import java.awt.geom.Rectangle2D;
-import java.awt.geom.Rectangle2D.Float;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.IOException;
-
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-import org.apache.commons.io.FileUtils;
-
-import org.apache.batik.ext.awt.LinearGradientPaint;
-
-import org.apache.xmlgraphics.java2d.GraphicContext;
-import org.apache.xmlgraphics.ps.PSGenerator;
-
-public class PSSVGLinearGraphics2DTestCase {
-    float startX = 115f;
-    float endX = 15f;
-    float startY = 285f;
-    float endY = 15f;
-    float[] fractions = {0.0f, 1.0f};
-
-    /**
-     * Tests a linear gradient generated pattern with certain inputs against
-     * an expected output.
-     * @throws IOException
-     */
-    @Test
-    public void testApplyPaint() throws IOException {
-        ByteArrayOutputStream os = new ByteArrayOutputStream();
-        PSGenerator gen = new PSGenerator(os);
-        PSSVGGraphics2D svgGraphics2D = new PSSVGGraphics2D(false, gen);
-        svgGraphics2D.setGraphicContext(new GraphicContext());
-        svgGraphics2D.setTransform(new AffineTransform());
-        Color[] colors = {new Color(255, 255, 0), new Color(255, 0, 0)};
-        LinearGradientPaint paint = new LinearGradientPaint(startX, startY, endX, endY, fractions, colors);
-        Float s = new Rectangle2D.Float(115.0f, 15.0f, 170f, 110f);
-        svgGraphics2D.applyPaint(paint, true);
-        byte[] test = os.toByteArray();
-
-        byte[] expected = FileUtils.readFileToByteArray(
-                new File("test/java/org/apache/fop/render/ps/svg/axial-shading-expected.dat"));
-        assertEquals(new String(test), new String(expected));
-    }
-}

test/java/org/apache/fop/render/ps/svg/axial-shading-expected.dat

@@ -1,26 +0,0 @@
-/Pattern setcolorspace
-<< 
-/Type /Pattern 
-/PatternType 2 
-/Shading <<
-/ShadingType 2 
-/ColorSpace /DeviceRGB 
-	/Coords [ 115 285 15 15 ] 
-	/Domain [ 0 1 ] 
-	/Extend [ true true ] 
-	/Function << 
-/FunctionType 3 
-/Domain [ 0 1 ] 
-/Functions [ << 
-/FunctionType 2 
-/Domain [ 0 1 ] 
-/C0 [ 1 1 0 ] 
-/C1 [ 1 0 0 ] 
-/N 1 
->> ] 
-/Encode [ 0 1 ] 
-/Bounds [ ]
->> 
->> 
->> 
-matrix makepattern setcolor

test/java/org/apache/fop/render/ps/svg/expected-linear-gradient.ps

@@ -0,0 +1,26 @@
+/Pattern setcolorspace
+<< 
+/Type /Pattern 
+/PatternType 2 
+/Shading <<
+/ShadingType 2
+/ColorSpace /DeviceRGB
+/Coords [ 115 285 15 15 ]
+/Domain [ 0 1 ] 
+/Extend [ true true ] 
+/Function <<
+/FunctionType 3
+/Domain [ 0 1 ]
+/Functions [ <<
+/FunctionType 2
+/Domain [ 0 1 ]
+/C0 [ 1 1 0 ]
+/C1 [ 1 0 0 ]
+/N 1
+>> ]
+/Encode [ 0 1 ]
+/Bounds [ ]
+>>
+>> 
+>> 
+[ 1 0 0 1 0 0 ] makepattern setcolor

test/java/org/apache/fop/render/ps/svg/expected-radial-gradient.ps

@@ -0,0 +1,44 @@
+/Pattern setcolorspace
+<< 
+/Type /Pattern 
+/PatternType 2 
+/Shading <<
+/ShadingType 3
+/ColorSpace /DeviceRGB
+/Coords [ 840 180 0 840 180 16 ]
+/Domain [ 0 1 ] 
+/Extend [ true true ] 
+/Function <<
+/FunctionType 3
+/Domain [ 0 1 ]
+/Functions [ <<
+/FunctionType 2
+/Domain [ 0 1 ]
+/C0 [ 1 1 1 ]
+/C1 [ 1 1 1 ]
+/N 1
+>> <<
+/FunctionType 2
+/Domain [ 0 1 ]
+/C0 [ 1 1 1 ]
+/C1 [ 0.784 0.784 0.784 ]
+/N 1
+>> <<
+/FunctionType 2
+/Domain [ 0 1 ]
+/C0 [ 0.784 0.784 0.784 ]
+/C1 [ 0.667 0.667 0.667 ]
+/N 1
+>> <<
+/FunctionType 2
+/Domain [ 0 1 ]
+/C0 [ 0.667 0.667 0.667 ]
+/C1 [ 0.549 0.549 0.549 ]
+/N 1
+>> ]
+/Encode [ 0 1 0 1 0 1 0 1 ]
+/Bounds [ 0.2 0.6 0.8 ]
+>>
+>> 
+>> 
+[ 1 0 0 1 0 0 ] makepattern setcolor

test/java/org/apache/fop/render/ps/svg/expected.ps

@@ -1,38 +0,0 @@
-/Pattern setcolorspace
-<< 
-/Type /Pattern 
-/PatternType 2 
-/Shading <<
-/ShadingType 3 
-/ColorSpace /DeviceRGB 
-	/Coords [ 841.890991 178.582993 3.28662 841.890991 178.582993 16.4331 ] 
-	/Domain [ 0 1 ] 
-	/Extend [ true true ] 
-	/Function << 
-/FunctionType 3 
-/Domain [ 0 1 ] 
-/Functions [ << 
-/FunctionType 2 
-/Domain [ 0 1 ] 
-/C0 [ 1 1 1 ] 
-/C1 [ 0.784314 0.784314 0.784314 ] 
-/N 1 
->> << 
-/FunctionType 2 
-/Domain [ 0 1 ] 
-/C0 [ 0.784314 0.784314 0.784314 ] 
-/C1 [ 0.666667 0.666667 0.666667 ] 
-/N 1 
->> << 
-/FunctionType 2 
-/Domain [ 0 1 ] 
-/C0 [ 0.666667 0.666667 0.666667 ] 
-/C1 [ 0.54902 0.54902 0.54902 ] 
-/N 1 
->> ] 
-/Encode [ 0 1 0 1 0 1 ] 
-/Bounds [ 0.6012 0.8094 ]
->> 
->> 
->> 
-matrix makepattern setcolor