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Diffstat (limited to 'src/java/org/apache/fop/render/ps/PSImageUtils.java')
-rw-r--r--src/java/org/apache/fop/render/ps/PSImageUtils.java241
1 files changed, 2 insertions, 239 deletions
diff --git a/src/java/org/apache/fop/render/ps/PSImageUtils.java b/src/java/org/apache/fop/render/ps/PSImageUtils.java
index bd3736eb5..9d6314f9d 100644
--- a/src/java/org/apache/fop/render/ps/PSImageUtils.java
+++ b/src/java/org/apache/fop/render/ps/PSImageUtils.java
@@ -19,29 +19,20 @@
package org.apache.fop.render.ps;
import java.awt.Dimension;
-import java.awt.color.ColorSpace;
import java.awt.geom.Rectangle2D;
-import java.awt.image.ColorModel;
-import java.awt.image.DataBuffer;
-import java.awt.image.Raster;
-import java.awt.image.RenderedImage;
import java.io.IOException;
-import java.io.OutputStream;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.fop.image.EPSImage;
import org.apache.fop.image.FopImage;
import org.apache.fop.image.JpegImage;
-import org.apache.fop.util.ASCII85OutputStream;
-import org.apache.fop.util.Finalizable;
-import org.apache.fop.util.FlateEncodeOutputStream;
-import org.apache.fop.util.RunLengthEncodeOutputStream;
+import org.apache.xmlgraphics.ps.PSGenerator;
/**
* Utility code for rendering images in PostScript.
*/
-public class PSImageUtils {
+public class PSImageUtils extends org.apache.xmlgraphics.ps.PSImageUtils {
/** logging instance */
protected static Log log = LogFactory.getLog(PSImageUtils.class);
@@ -85,187 +76,6 @@ public class PSImageUtils {
img.getColorSpace(), gen);
}
- private static void writeImage(byte[] img,
- Dimension imgDim, String imgName,
- Rectangle2D targetRect,
- boolean isJPEG, ColorSpace colorSpace,
- PSGenerator gen) throws IOException {
- boolean iscolor = colorSpace.getType() != ColorSpace.CS_GRAY;
-
- gen.saveGraphicsState();
- gen.writeln(gen.formatDouble(targetRect.getX()) + " "
- + gen.formatDouble(targetRect.getY()) + " translate");
- gen.writeln(gen.formatDouble(targetRect.getWidth()) + " "
- + gen.formatDouble(targetRect.getHeight()) + " scale");
-
- gen.commentln("%FOPBeginBitmap: " + imgName);
- if (colorSpace.getType() == ColorSpace.TYPE_CMYK) {
- gen.writeln("/DeviceCMYK setcolorspace");
- } else if (colorSpace.getType() == ColorSpace.CS_GRAY) {
- gen.writeln("/DeviceGray setcolorspace");
- } else {
- gen.writeln("/DeviceRGB setcolorspace");
- }
-
- gen.writeln("{{");
- // Template: (RawData is used for the EOF signal only)
- // gen.write("/RawData currentfile <first filter> filter def");
- // gen.write("/Data RawData <second filter> <third filter> [...] def");
- if (isJPEG) {
- gen.writeln("/RawData currentfile /ASCII85Decode filter def");
- gen.writeln("/Data RawData << >> /DCTDecode filter def");
- } else {
- if (gen.getPSLevel() >= 3) {
- gen.writeln("/RawData currentfile /ASCII85Decode filter def");
- gen.writeln("/Data RawData /FlateDecode filter def");
- } else {
- gen.writeln("/RawData currentfile /ASCII85Decode filter def");
- gen.writeln("/Data RawData /RunLengthDecode filter def");
- }
- }
- gen.writeln("<<");
- gen.writeln(" /ImageType 1");
- gen.writeln(" /Width " + imgDim.width);
- gen.writeln(" /Height " + imgDim.height);
- gen.writeln(" /BitsPerComponent 8");
- if (colorSpace.getType() == ColorSpace.TYPE_CMYK) {
- if (false /*TODO img.invertImage()*/) {
- gen.writeln(" /Decode [1 0 1 0 1 0 1 0]");
- } else {
- gen.writeln(" /Decode [0 1 0 1 0 1 0 1]");
- }
- } else if (iscolor) {
- gen.writeln(" /Decode [0 1 0 1 0 1]");
- } else {
- gen.writeln(" /Decode [0 1]");
- }
- // Setup scanning for left-to-right and top-to-bottom
- gen.writeln(" /ImageMatrix [" + imgDim.width + " 0 0 "
- + imgDim.height + " 0 0]");
-
- gen.writeln(" /DataSource Data");
- gen.writeln(">>");
- gen.writeln("image");
- /* the following two lines could be enabled if something still goes wrong
- * gen.write("Data closefile");
- * gen.write("RawData flushfile");
- */
- gen.writeln("} stopped {handleerror} if");
- gen.writeln(" RawData flushfile");
- gen.writeln("} exec");
-
- OutputStream out = gen.getOutputStream();
- out = new ASCII85OutputStream(out);
- if (isJPEG) {
- //nop
- } else {
- if (gen.getPSLevel() >= 3) {
- out = new FlateEncodeOutputStream(out);
- } else {
- out = new RunLengthEncodeOutputStream(out);
- }
- }
- out.write(img);
- if (out instanceof Finalizable) {
- ((Finalizable)out).finalizeStream();
- } else {
- out.flush();
- }
-
- gen.writeln("");
- gen.commentln("%FOPEndBitmap");
- gen.restoreGraphicsState();
- }
-
- /**
- * Renders a bitmap image to PostScript.
- * @param img image to render
- * @param x x position
- * @param y y position
- * @param w width
- * @param h height
- * @param gen PS generator
- * @throws IOException In case of an I/O problem while rendering the image
- */
- public static void renderBitmapImage(RenderedImage img,
- float x, float y, float w, float h, PSGenerator gen)
- throws IOException {
- byte[] imgmap = getBitmapBytes(img);
-
- String imgName = img.getClass().getName();
- Dimension imgDim = new Dimension(img.getWidth(), img.getHeight());
- Rectangle2D targetRect = new Rectangle2D.Double(x, y, w, h);
- boolean isJPEG = false;
- writeImage(imgmap, imgDim, imgName, targetRect, isJPEG,
- img.getColorModel().getColorSpace(), gen);
- }
-
- private static byte[] getBitmapBytes(RenderedImage img) {
- int[] tmpMap = getRGB(img, 0, 0, img.getWidth(), img.getHeight(), null, 0, img.getWidth());
- // Should take care of the ColorSpace and bitsPerPixel
- byte[] bitmaps = new byte[img.getWidth() * img.getHeight() * 3];
- for (int y = 0, my = img.getHeight(); y < my; y++) {
- for (int x = 0, mx = img.getWidth(); x < mx; x++) {
- int p = tmpMap[y * mx + x];
- int r = (p >> 16) & 0xFF;
- int g = (p >> 8) & 0xFF;
- int b = (p) & 0xFF;
- bitmaps[3 * (y * mx + x)] = (byte)(r & 0xFF);
- bitmaps[3 * (y * mx + x) + 1] = (byte)(g & 0xFF);
- bitmaps[3 * (y * mx + x) + 2] = (byte)(b & 0xFF);
- }
- }
- return bitmaps;
- }
-
- public static int[] getRGB(RenderedImage img,
- int startX, int startY, int w, int h,
- int[] rgbArray, int offset, int scansize) {
- Raster raster = img.getData();
- int yoff = offset;
- int off;
- Object data;
- int nbands = raster.getNumBands();
- int dataType = raster.getDataBuffer().getDataType();
- switch (dataType) {
- case DataBuffer.TYPE_BYTE:
- data = new byte[nbands];
- break;
- case DataBuffer.TYPE_USHORT:
- data = new short[nbands];
- break;
- case DataBuffer.TYPE_INT:
- data = new int[nbands];
- break;
- case DataBuffer.TYPE_FLOAT:
- data = new float[nbands];
- break;
- case DataBuffer.TYPE_DOUBLE:
- data = new double[nbands];
- break;
- default:
- throw new IllegalArgumentException("Unknown data buffer type: "+
- dataType);
- }
-
- if (rgbArray == null) {
- rgbArray = new int[offset+h*scansize];
- }
-
- ColorModel colorModel = img.getColorModel();
- for (int y = startY; y < startY+h; y++, yoff+=scansize) {
- off = yoff;
- for (int x = startX; x < startX+w; x++) {
- rgbArray[off++] = colorModel.getRGB(raster.getDataElements(x,
- y,
- data));
- }
- }
-
- return rgbArray;
-
- }
-
public static void renderEPS(EPSImage img,
float x, float y, float w, float h,
PSGenerator gen) {
@@ -291,51 +101,4 @@ public class PSImageUtils {
}
}
- /**
- * Places an EPS file in the PostScript stream.
- * @param rawEPS byte array containing the raw EPS data
- * @param name name for the EPS document
- * @param x x-coordinate of viewport in millipoints
- * @param y y-coordinate of viewport in millipoints
- * @param w width of viewport in millipoints
- * @param h height of viewport in millipoints
- * @param bboxx x-coordinate of EPS bounding box in points
- * @param bboxy y-coordinate of EPS bounding box in points
- * @param bboxw width of EPS bounding box in points
- * @param bboxh height of EPS bounding box in points
- * @param gen the PS generator
- * @throws IOException in case an I/O error happens during output
- */
- public static void renderEPS(byte[] rawEPS, String name,
- float x, float y, float w, float h,
- float bboxx, float bboxy, float bboxw, float bboxh,
- PSGenerator gen) throws IOException {
- gen.notifyResourceUsage(PSProcSets.EPS_PROCSET, false);
- gen.writeln("%FOPBeginEPS: " + name);
- gen.writeln("BeginEPSF");
-
- gen.writeln(gen.formatDouble(x) + " " + gen.formatDouble(y) + " translate");
- gen.writeln("0 " + gen.formatDouble(h) + " translate");
- gen.writeln("1 -1 scale");
- float sx = w / bboxw;
- float sy = h / bboxh;
- if (sx != 1 || sy != 1) {
- gen.writeln(gen.formatDouble(sx) + " " + gen.formatDouble(sy) + " scale");
- }
- if (bboxx != 0 || bboxy != 0) {
- gen.writeln(gen.formatDouble(-bboxx) + " " + gen.formatDouble(-bboxy) + " translate");
- }
- gen.writeln(gen.formatDouble(bboxy) + " " + gen.formatDouble(bboxy)
- + " " + gen.formatDouble(bboxw) + " " + gen.formatDouble(bboxh) + " re clip");
- gen.writeln("newpath");
-
- PSResource res = new PSResource(PSResource.TYPE_FILE, name);
- gen.notifyResourceUsage(res, false);
- gen.writeDSCComment(DSCConstants.BEGIN_DOCUMENT, res.getName());
- gen.writeByteArr(rawEPS);
- gen.writeDSCComment(DSCConstants.END_DOCUMENT);
- gen.writeln("EndEPSF");
- gen.writeln("%FOPEndEPS");
- }
-
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 09:55:07 +0000