FOP-2924: Images not scaled or rotated in PCL

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1875643 13f79535-47bb-0310-9956-ffa450edef68

fop-core/src/main/java/org/apache/fop/render/pcl/PCLGenerator.java

@@ -758,8 +758,12 @@ public class PCLGenerator {
         boolean scaled = !orgDim.equals(effDim);
         if (!monochrome) {
             if (printerSupportsColor) {
+                RenderedImage effImg = img;
+                if (scaled) {
+                    effImg = BitmapImageUtil.convertTosRGB(img, effDim);
+                }
                 selectCurrentPattern(0, 0); //Solid black
-                renderImageAsColor(img, effResolution);
+                renderImageAsColor(effImg, effResolution);
             } else {
                 //Transparency mask disabled. Doesn't work reliably
                 /*
@@ -784,7 +788,7 @@ public class PCLGenerator {
             RenderedImage effImg = img;
             if (scaled) {
                 effImg = BitmapImageUtil.convertToMonochrome(img, effDim);
-                }
+            }
             setSourceTransparencyMode(sourceTransparency);
             selectCurrentPattern(0, 0); //Solid black
             paintMonochromeBitmap(effImg, effResolution);

fop-core/src/main/java/org/apache/fop/render/pcl/PCLImageHandlerGraphics2D.java

@@ -91,6 +91,17 @@ public class PCLImageHandlerGraphics2D implements ImageHandler {
 
             AffineTransform prepareHPGL2 = new AffineTransform();
             prepareHPGL2.scale(0.001, 0.001);
+
+            int direction = PCLRenderingUtil.determinePrintDirection(ctx.getTransform());
+            rotate(prepareHPGL2, imageDim, direction);
+            int height = pos.height;
+            int width = pos.width;
+            if (direction == 90 || direction == 270) {
+                int tmp = height;
+                height = width;
+                width = tmp;
+            }
+
             ctx.setTransform(prepareHPGL2);
 
             PCLGraphics2D graphics = new PCLGraphics2D(tempGen);
@@ -101,8 +112,8 @@ public class PCLImageHandlerGraphics2D implements ImageHandler {
             imageG2D.getGraphics2DImagePainter().paint(graphics, area);
 
             //If we arrive here, the graphic is natively paintable, so write the graphic
-            gen.writeCommand("*c" + gen.formatDouble4(pos.width / 100f) + "x"
-                    + gen.formatDouble4(pos.height / 100f) + "Y");
+            gen.writeCommand("*c" + gen.formatDouble4(width / 100f) + "x"
+                    + gen.formatDouble4(height / 100f) + "Y");
             gen.writeCommand("*c0T");
             gen.enterHPGL2Mode(false);
             gen.writeText("\nIN;");
@@ -143,6 +154,19 @@ public class PCLImageHandlerGraphics2D implements ImageHandler {
         }
     }
 
+    private void rotate(AffineTransform prepareHPGL2, Dimension imageDim, int direction) {
+        if (direction != 0) {
+            double rads = Math.toRadians(-direction);
+            double sin = Math.abs(Math.sin(rads));
+            double cos = Math.abs(Math.cos(rads));
+            double w = Math.floor(imageDim.getWidth() * cos + imageDim.getHeight() * sin);
+            double h = Math.floor(imageDim.getHeight() * cos + imageDim.getWidth() * sin);
+            prepareHPGL2.translate(w / 2d, h / 2d);
+            prepareHPGL2.rotate(rads, 0, 0);
+            prepareHPGL2.translate(-imageDim.getWidth() / 2d, -imageDim.getHeight() / 2d);
+        }
+    }
+
     /** {@inheritDoc} */
     public boolean isCompatible(RenderingContext targetContext, Image image) {
         boolean supported = (image == null || image instanceof ImageGraphics2D)

fop-core/src/test/java/org/apache/fop/render/pcl/PCLPainterTestCase.java

@@ -21,7 +21,10 @@ package org.apache.fop.render.pcl;
 import java.awt.Color;
 import java.awt.Dimension;
 import java.awt.FontFormatException;
+import java.awt.Graphics2D;
 import java.awt.Rectangle;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Rectangle2D;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.IOException;
@@ -33,6 +36,11 @@ import javax.xml.transform.stream.StreamResult;
 import org.junit.Assert;
 import org.junit.Test;
 
+import org.apache.xmlgraphics.image.loader.ImageInfo;
+import org.apache.xmlgraphics.image.loader.ImageSize;
+import org.apache.xmlgraphics.image.loader.impl.ImageGraphics2D;
+import org.apache.xmlgraphics.java2d.Graphics2DImagePainter;
+
 import org.apache.fop.apps.FOUserAgent;
 import org.apache.fop.apps.FopFactory;
 import org.apache.fop.fonts.EmbeddingMode;
@@ -67,6 +75,49 @@ public class PCLPainterTestCase {
         Assert.assertTrue(output.toString().contains("*v255a0b0c0I\u001B*v0S\u001B*c0.01h0.01V\u001B*c0P"));
     }
 
+    @Test
+    public void testDrawImage() throws IFException {
+        Rectangle size = new Rectangle(1, 1);
+        PCLPageDefinition pclPageDef = new PCLPageDefinition("", 0, new Dimension(), size, true);
+        PCLDocumentHandler documentHandler = new PCLDocumentHandler(new IFContext(ua));
+        ByteArrayOutputStream output = new ByteArrayOutputStream();
+        documentHandler.setResult(new StreamResult(output));
+        documentHandler.startDocument();
+        PCLPainter pclPainter = new PCLPainter(documentHandler, pclPageDef);
+        pclPainter.getPCLUtil().setColorEnabled(true);
+        pclPainter.drawImage("test/resources/images/fop-logo-color-24bit.png", new Rectangle(100, 100));
+        Assert.assertTrue(output.toString(), output.toString().contains("*r0f1t1S"));
+    }
+
+    @Test
+    public void testDrawGraphics() throws IOException, IFException {
+        Rectangle size = new Rectangle(1, 1);
+        PCLPageDefinition pclPageDef = new PCLPageDefinition("", 0, new Dimension(), size, true);
+        PCLDocumentHandler documentHandler = new PCLDocumentHandler(new IFContext(ua));
+        ByteArrayOutputStream output = new ByteArrayOutputStream();
+        documentHandler.setResult(new StreamResult(output));
+        documentHandler.startDocument();
+        PCLPainter pclPainter = new PCLPainter(documentHandler, pclPageDef);
+        PCLImageHandlerGraphics2D graphics2D = new PCLImageHandlerGraphics2D();
+        ImageInfo info = new ImageInfo(null, null);
+        info.setSize(new ImageSize());
+        ImageGraphics2D imageGraphics2D = new ImageGraphics2D(info, new MyGraphics2DImagePainter());
+        graphics2D.handleImage(pclPainter.createRenderingContext(), imageGraphics2D, new Rectangle(50, 100));
+        Assert.assertTrue(output.toString().contains("*c0.5x1Y"));
+        output.reset();
+        pclPainter.startGroup(AffineTransform.getRotateInstance(-Math.PI / 2), null);
+        graphics2D.handleImage(pclPainter.createRenderingContext(), imageGraphics2D, new Rectangle(50, 100));
+        Assert.assertTrue(output.toString().contains("*c1x0.5Y"));
+    }
+
+    static class MyGraphics2DImagePainter implements Graphics2DImagePainter {
+        public void paint(Graphics2D g2d, Rectangle2D area) {
+        }
+        public Dimension getImageSize() {
+            return null;
+        }
+    }
+
     @Test
     public void testTruetype() throws IFException, IOException, FontFormatException, URISyntaxException {
         String optimizeResources = getPCL(true).toString();