org.jpedal.render.BaseDisplay Maven / Gradle / Ivy
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/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/java-pdf-library-support/
*
* (C) Copyright 1997-2013, IDRsolutions and Contributors.
*
* This file is part of JPedal
*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* BaseDisplay.java
* ---------------
*/
package org.jpedal.render;
import java.awt.AlphaComposite;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Composite;
import java.awt.Container;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.geom.AffineTransform;
import java.awt.geom.Area;
import java.awt.geom.PathIterator;
import java.awt.image.AffineTransformOp;
import java.awt.image.BufferedImage;
import java.awt.image.Raster;
import java.awt.image.WritableRaster;
import java.io.IOException;
import java.util.Set;
import org.jpedal.PdfDecoder;
import org.jpedal.color.ColorSpaces;
import org.jpedal.color.PdfColor;
import org.jpedal.color.PdfPaint;
import org.jpedal.constants.PDFImageProcessing;
import org.jpedal.exception.PdfException;
import org.jpedal.fonts.PdfFont;
import org.jpedal.fonts.glyph.PdfGlyph;
import org.jpedal.io.ObjectStore;
import org.jpedal.objects.GraphicsState;
import org.jpedal.parser.DecoderOptions;
import org.jpedal.utils.LogWriter;
import org.jpedal.utils.Matrix;
import org.jpedal.utils.repositories.Vector_Rectangle;
public class BaseDisplay implements DynamicVectorRenderer {
protected int type;
/** counter to make each form unique */
private int formNum = 0;
boolean isType3Font = false;
/** set flag to show if we add a background */
protected boolean addBackground = true;
/** holds rectangular outline to test in redraw */
protected Vector_Rectangle areas;
protected ObjectStore objectStoreRef;
protected int currentItem = -1;
// used to track end of PDF page in display
protected int endItem = -1;
/** raw page rotation */
protected int pageRotation = 0;
Area lastClip = null;
boolean hasClips = false;
/** shows if colours over-ridden for type3 font */
boolean colorsLocked;
Graphics2D g2;
/** internal flag to control how we turn images */
boolean optimisedTurnCode = true;
/** use hi res images to produce better quality display */
boolean useHiResImageForDisplay = false;
boolean extraRot = false;
// used by type3 fonts as identifier
String rawKey = null;
/** global colours if set */
PdfPaint fillCol = null, strokeCol = null;
public int pageNumber = 0;
int xx = 0, yy = 0;
public static boolean invertHighlight = false;
boolean isPrinting;
org.jpedal.external.ImageHandler customImageHandler = null;
org.jpedal.external.ColorHandler customColorHandler = null;
double cropX, cropH;
float scaling, lastScaling;
/** real size of pdf page */
int w = 0, h = 0;
/** background color */
protected Color backgroundColor = Color.WHITE;
protected Color textColor = null;
protected int colorThresholdToReplace = 255;
protected boolean changeLineArtAndText = false;
/** allow user to control */
public static RenderingHints userHints = null;
@Override
public void setInset(int x, int y) {
this.xx = x;
this.yy = y;
}
@Override
public void setG2(Graphics2D g2) {
this.g2 = g2;
// If user hints has been defined use these values.
if (userHints != null) {
this.g2.setRenderingHints(userHints);
}
}
@Override
public void init(int width, int height, int rawRotation, Color backgroundColor) {
this.w = width;
this.h = height;
this.pageRotation = rawRotation;
this.backgroundColor = backgroundColor;
}
@Override
public void paintBackground(Shape dirtyRegion) {
if ((this.addBackground)) {
if (this.g2 != null) {
this.g2.setColor(this.backgroundColor);
if (dirtyRegion == null) {
this.g2.fill(new Rectangle(this.xx, this.yy, (int) (this.w * this.scaling), (int) (this.h * this.scaling)));
}
else {
this.g2.fill(dirtyRegion);
}
}
}
}
protected boolean checkColorThreshold(int col) {
int r = (col) & 0xFF;
int g = (col >> 8) & 0xFF;
int b = (col >> 16) & 0xFF;
if (r <= this.colorThresholdToReplace && g <= this.colorThresholdToReplace && b <= this.colorThresholdToReplace) return true;
else return false;
}
void renderEmbeddedText(int text_fill_type, Object rawglyph, int glyphType, AffineTransform glyphAT, Rectangle textHighlight,
PdfPaint strokePaint, PdfPaint fillPaint, float strokeOpacity, float fillOpacity, int lineWidth) {
// ensure stroke only shows up
float strokeOnlyLine = 0;
if (text_fill_type == GraphicsState.STROKE && lineWidth >= 1.0) {
strokeOnlyLine = this.scaling;
}
// get glyph to draw
PdfGlyph glyph = (PdfGlyph) rawglyph;
AffineTransform at = this.g2.getTransform();
// and also as flat values so we can test below
double[] affValues = new double[6];
at.getMatrix(affValues);
if (glyph != null) {
Stroke currentStoke = this.g2.getStroke();
if (lineWidth != 0) {
float w = lineWidth * (float) this.g2.getTransform().getScaleX();
if (w < 0) w = -w;
this.g2.setStroke(new BasicStroke(w));
}
// set transform
this.g2.transform(glyphAT);
// type of draw operation to use
Composite comp = this.g2.getComposite();
/**
* Fill Text
*/
if ((text_fill_type & GraphicsState.FILL) == GraphicsState.FILL) {
// If we have an alt text color, its within threshold and not an additional item, use alt color
if (this.textColor != null && (this.currentItem == -1 || (this.endItem == -1 || this.currentItem <= this.endItem))
&& checkColorThreshold(fillPaint.getRGB())) {
fillPaint = new PdfColor(this.textColor.getRed(), this.textColor.getGreen(), this.textColor.getBlue());
}
fillPaint.setScaling(this.cropX, this.cropH, this.scaling, 0, 0);
if (this.customColorHandler != null) {
this.customColorHandler.setPaint(this.g2, fillPaint, this.pageNumber, this.isPrinting);
}
else
if (PdfDecoder.Helper != null) {
PdfDecoder.Helper.setPaint(this.g2, fillPaint, this.pageNumber, this.isPrinting);
}
else {
this.g2.setPaint(fillPaint);
}
if (fillOpacity != 1f) {
this.g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, fillOpacity));
}
if (textHighlight != null) {
if (invertHighlight) {
Color color = this.g2.getColor();
this.g2.setColor(new Color(255 - color.getRed(), 255 - color.getGreen(), 255 - color.getBlue()));
}
else
if (DecoderOptions.backgroundColor != null) {
this.g2.setColor(DecoderOptions.backgroundColor);
}
}
// pass down color for drawing text
if (glyphType == DynamicVectorRenderer.TYPE3 && !glyph.ignoreColors()) {
glyph.setT3Colors(strokePaint, fillPaint, false);
}
glyph.render(GraphicsState.FILL, this.g2, this.scaling, false);
// reset opacity
this.g2.setComposite(comp);
}
/**
* Stroke Text (Can be fill and stroke so not in else)
*/
if (text_fill_type == GraphicsState.STROKE) {
glyph.setStrokedOnly(true);
}
// creates shadow printing to Mac so added work around
if (DecoderOptions.isRunningOnMac && this.isPrinting && text_fill_type == GraphicsState.FILLSTROKE) {}
else
if ((text_fill_type & GraphicsState.STROKE) == GraphicsState.STROKE) {
if (strokePaint != null) {
// If we have an alt text color, its within threshold and not an additional item, use alt color
if (this.textColor != null && (this.currentItem == -1 || (this.endItem == -1 || this.currentItem <= this.endItem))
&& checkColorThreshold(strokePaint.getRGB())) {
strokePaint = new PdfColor(this.textColor.getRed(), this.textColor.getGreen(), this.textColor.getBlue());
}
strokePaint.setScaling(this.cropX, this.cropH, this.scaling, 0, 0);
}
if (this.customColorHandler != null) {
this.customColorHandler.setPaint(this.g2, strokePaint, this.pageNumber, this.isPrinting);
}
else
if (PdfDecoder.Helper != null) {
PdfDecoder.Helper.setPaint(this.g2, strokePaint, this.pageNumber, this.isPrinting);
}
else {
this.g2.setPaint(strokePaint);
}
if (strokeOpacity != 1f) {
this.g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, strokeOpacity));
}
if (textHighlight != null) {
if (invertHighlight) {
Color color = this.g2.getColor();
this.g2.setColor(new Color(255 - color.getRed(), 255 - color.getGreen(), 255 - color.getBlue()));
}
else
if (DecoderOptions.backgroundColor != null) {
this.g2.setColor(DecoderOptions.backgroundColor);
}
}
try {
glyph.render(GraphicsState.STROKE, this.g2, strokeOnlyLine, false);
}
catch (Exception e) {
// tell user and log
if (LogWriter.isOutput()) LogWriter.writeLog("Exception: " + e.getMessage());
}
// reset opacity
this.g2.setComposite(comp);
}
// restore transform
this.g2.setTransform(at);
if (lineWidth != 0) {
this.g2.setStroke(currentStoke);
}
}
}
public void renderXForm(DynamicVectorRenderer dvr, float nonstrokeAlpha) {
Shape clip = null;
if (this.g2 != null) {
clip = this.g2.getClip();
}
Rectangle area = dvr.getOccupiedArea();
int fx = area.x;
int fw = area.width;
int fy = area.y;
int fh = area.height;
// check x,y offsets and factor in
if (fx < 0) {
fx = 0;
}
if (fy > 0) {
fh = fh + fy;
}
// ignore offpage
if (fw <= 0 || fh <= 0) {
return;
}
BufferedImage formImg = new BufferedImage(fw, fh, BufferedImage.TYPE_INT_ARGB);
Graphics2D formG2 = formImg.createGraphics();
if (this.g2 == null) {
formG2.scale(1, -1);
formG2.translate(0, -fh);
}
formG2.translate(-fx, 0);
dvr.setG2(formG2);
dvr.paint(null, null, null);
// if odd matrix can break text and already applied for drawing so now remove
if (this.g2 != null) {
this.g2.setClip(null);
}
GraphicsState gs = new GraphicsState();
gs.CTM[0][0] = fw;
gs.CTM[1][0] = 0.0f;
gs.CTM[2][0] = 0f;
gs.CTM[0][1] = 0.0f;
gs.CTM[1][1] = fh;
gs.CTM[2][1] = 0f;
gs.CTM[0][2] = 0.0f;
gs.CTM[1][2] = 0.0f;
gs.CTM[2][2] = 1.0f;
if (this.g2 != null) {
this.g2.translate(fx, 0);
renderImage(new AffineTransform(), formImg, nonstrokeAlpha, gs, area.x, area.y, PDFImageProcessing.IMAGE_INVERTED);
this.g2.translate(-fx, 0);
// put it back
this.g2.setClip(clip);
}
else {
gs.CTM[2][0] = area.x;
gs.CTM[2][1] = area.y - fh + area.height;
drawImage(this.pageNumber, formImg, gs, false, "xf" + this.formNum, 0, -1);
this.formNum++;
}
}
final void renderShape(Shape defaultClip, int fillType, PdfPaint strokeCol, PdfPaint fillCol, Stroke shapeStroke, Shape currentShape,
float strokeOpacity, float fillOpacity) {
boolean clipChanged = false;
Shape clip = this.g2.getClip();
Composite comp = this.g2.getComposite();
// stroke and fill (do fill first so we don't overwrite Stroke)
if (fillType == GraphicsState.FILL || fillType == GraphicsState.FILLSTROKE) {
if (fillCol.getRGB() != -1)
// If we have an alt text color, are changing line art as well, its within threshold and not an additional item, use alt color
if (this.changeLineArtAndText && this.textColor != null && !fillCol.isPattern()
&& (this.currentItem == -1 || (this.endItem == -1 || this.currentItem <= this.endItem)) && checkColorThreshold(fillCol.getRGB())) {
fillCol = new PdfColor(this.textColor.getRed(), this.textColor.getGreen(), this.textColor.getBlue());
}
fillCol.setScaling(this.cropX, this.cropH, this.scaling, 0, 0);
if (this.customColorHandler != null) {
this.customColorHandler.setPaint(this.g2, fillCol, this.pageNumber, this.isPrinting);
}
else
if (PdfDecoder.Helper != null) {
PdfDecoder.Helper.setPaint(this.g2, fillCol, this.pageNumber, this.isPrinting);
}
else {
this.g2.setPaint(fillCol);
}
if (fillOpacity != 1f) {
this.g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, fillOpacity));
}
try {
// thin lines do not appear unless we use fillRect
double iw = currentShape.getBounds2D().getWidth();
double ih = currentShape.getBounds2D().getHeight();
if ((ih == 0d || iw == 0d) && ((BasicStroke) this.g2.getStroke()).getLineWidth() <= 1.0f) {
this.g2.fillRect(currentShape.getBounds().x, currentShape.getBounds().y, currentShape.getBounds().width,
currentShape.getBounds().height);
}
else this.g2.fill(currentShape);
}
catch (Exception e) {
if (LogWriter.isOutput()) LogWriter.writeLog("Exception " + e + " filling shape");
}
this.g2.setComposite(comp);
}
if ((fillType == GraphicsState.STROKE) || (fillType == GraphicsState.FILLSTROKE)) {
// set values for drawing the shape
Stroke currentStroke = this.g2.getStroke();
// fix for using large width on point to draw line
if (currentShape.getBounds2D().getWidth() < 1.0f && ((BasicStroke) shapeStroke).getLineWidth() > 10) {
this.g2.setStroke(new BasicStroke(1));
}
else {
this.g2.setStroke(shapeStroke);
}
// If we have an alt text color, are changing line art, its within threshold and not an additional item, use alt color
if (this.changeLineArtAndText && this.textColor != null && !strokeCol.isPattern()
&& (this.currentItem == -1 || (this.endItem == -1 || this.currentItem <= this.endItem))
&& checkColorThreshold(strokeCol.getRGB())) {
strokeCol = new PdfColor(this.textColor.getRed(), this.textColor.getGreen(), this.textColor.getBlue());
}
strokeCol.setScaling(this.cropX, this.cropH, this.scaling, 0, 0);
if (this.customColorHandler != null) {
this.customColorHandler.setPaint(this.g2, strokeCol, this.pageNumber, this.isPrinting);
}
else
if (PdfDecoder.Helper != null) {
PdfDecoder.Helper.setPaint(this.g2, strokeCol, this.pageNumber, this.isPrinting);
}
else {
this.g2.setPaint(strokeCol);
}
if (strokeOpacity != 1f) {
this.g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, strokeOpacity));
}
// breaks printing so disabled there
if (!this.isPrinting && clip != null && (clip.getBounds2D().getHeight() < 1 || clip.getBounds2D().getWidth() < 1)) {
this.g2.setClip(defaultClip); // use null or visible screen area
clipChanged = true;
}
this.g2.draw(currentShape);
this.g2.setStroke(currentStroke);
this.g2.setComposite(comp);
}
if (clipChanged) this.g2.setClip(clip);
}
final void renderImage(AffineTransform imageAf, BufferedImage image, float alpha, GraphicsState currentGraphicsState, float x, float y,
int optionsApplied) {
boolean renderDirect = (currentGraphicsState != null);
if (image == null) {
return;
}
int w = image.getWidth();
int h = image.getHeight();
// plot image (needs to be flipped as well as co-ords upside down)
// graphics less than 1 get swallowed if flipped
AffineTransform upside_down = new AffineTransform();
boolean applyTransform = false;
float CTM[][] = new float[3][3];
if (currentGraphicsState != null) {
CTM = currentGraphicsState.CTM;
}
// special case - ignore rotation
if (CTM[0][0] < 0 && CTM[1][1] < 0 && CTM[1][0] > -2 && CTM[1][0] < 0 && CTM[0][1] > 0 && CTM[0][1] < 10) {
CTM[0][1] = 0;
CTM[1][0] = 0;
}
AffineTransform before = this.g2.getTransform();
boolean invertInAff = false;
float dx = 0, dy = 0;
/**
* setup for printing
*/
if (renderDirect || this.useHiResImageForDisplay) {
if (renderDirect) {
upside_down = null;
// Turn image around if needed (ie JPEG not yet turned)
if ((optionsApplied & PDFImageProcessing.IMAGE_INVERTED) != PDFImageProcessing.IMAGE_INVERTED) {
if (!this.optimisedTurnCode) {
image = RenderUtils.invertImage(CTM, image);
}
else {
if ((CTM[0][1] < 0 && CTM[1][0] > 0) && (CTM[0][0] * CTM[1][1] == 0)) {
upside_down = new AffineTransform(CTM[0][0] / w, CTM[0][1] / w, -CTM[1][0] / h, CTM[1][1] / h, CTM[2][0] + CTM[1][0],
CTM[2][1]);
}
else
if ((CTM[0][1] < 0 || CTM[1][0] < 0)) {
float[][] flip2 = { { 1f / w, 0, 0 }, { 0, -1f / h, 0 }, { 0, 1f / h, 1 } };
float[][] rot = { { CTM[0][0], CTM[0][1], 0 }, { CTM[1][0], CTM[1][1], 0 }, { 0, 0, 1 } };
flip2 = Matrix.multiply(flip2, rot);
upside_down = new AffineTransform(flip2[0][0], flip2[0][1], flip2[1][0], flip2[1][1], flip2[2][0], flip2[2][1]);
dx = CTM[2][0] - image.getHeight() * flip2[1][0];
dy = CTM[2][1];
// special case
// if (CTM[0][0] < 0 && CTM[1][0] < 0 && CTM[0][1] > 0 && CTM[1][1] < 0) {
// System.out.println("a");
// } else if (CTM[1][1] != 0) {
dy = dy + CTM[1][1];
// System.out.println("b");
// }
}
else
if ((CTM[0][0] * CTM[0][1] == 0 && CTM[1][1] * CTM[1][0] == 0) && (CTM[0][1] > 0 && CTM[1][0] > 0)) {
float[][] flip2 = { { -1f / w, 0, 0 }, { 0, 1f / h, 0 }, { 1f / w, 0, 1 } };
float[][] rot = { { CTM[0][0], CTM[0][1], 0 }, { CTM[1][0], CTM[1][1], 0 }, { 0, 0, 1 } };
flip2 = Matrix.multiply(flip2, rot);
upside_down = new AffineTransform(flip2[0][0], flip2[1][0], flip2[0][1], flip2[1][1], flip2[2][0], flip2[2][1]);
dx = CTM[2][0] - image.getHeight() * flip2[0][1];
dy = CTM[2][1];
}
else
if (CTM[1][1] != 0) {
invertInAff = true;
}
}
}
if (upside_down == null) {
upside_down = new AffineTransform(CTM[0][0] / w, CTM[0][1] / w, CTM[1][0] / h, CTM[1][1] / h, CTM[2][0], CTM[2][1]);
}
}
else {
upside_down = imageAf;
invertInAff = ((optionsApplied & PDFImageProcessing.TURN_ON_DRAW) == PDFImageProcessing.TURN_ON_DRAW);
}
applyTransform = true;
}
Composite c = this.g2.getComposite();
Shape clip = this.g2.getClip();
boolean isClipChanged = false;
if (alpha != 1.0f) this.g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
/**
* color type3 glyphs if not black
*/
if (this.isType3Font && this.fillCol != null) {
int[] maskCol = new int[4];
int foreground = this.fillCol.getRGB();
maskCol[0] = ((foreground >> 16) & 0xFF);
maskCol[1] = ((foreground >> 8) & 0xFF);
maskCol[2] = ((foreground) & 0xFF);
maskCol[3] = 255;
if (maskCol[0] == 0 && maskCol[1] == 0 && maskCol[2] == 0) {
// System.out.println("black");
}
else {
// hack for white text in printing (see Host account statement from open.pdf)
if (image.getType() == 10 && maskCol[0] > 250 && maskCol[1] > 250 && maskCol[2] > 250) {
return;
}
BufferedImage img = new BufferedImage(image.getWidth(), image.getHeight(), image.getType());
Raster src = image.getRaster();
WritableRaster dest = img.getRaster();
int[] values = new int[4];
for (int yy = 0; yy < image.getHeight(); yy++) {
for (int xx = 0; xx < image.getWidth(); xx++) {
// get raw color data
src.getPixel(xx, yy, values);
// if not transparent, fill with color
if (values[3] > 2) {
dest.setPixel(xx, yy, maskCol);
}
}
}
image = img;
}
}
if (renderDirect || this.useHiResImageForDisplay) {
try {
if (this.optimisedTurnCode
&& (invertInAff && (optionsApplied & PDFImageProcessing.IMAGE_INVERTED) != PDFImageProcessing.IMAGE_INVERTED)) {
double[] values = new double[6];
upside_down.getMatrix(values);
dx = (float) (values[4] + (values[1] * image.getWidth()));
dy = (float) (values[5] + (image.getHeight() * values[3]));
// correct rotation case
if (values[0] > 0 && values[1] > 0 && values[2] > 0 && values[3] < 0) {
values[2] = -values[2];
}
values[3] = -values[3];
values[4] = 0;
values[5] = 0;
upside_down = new AffineTransform(values);
}
// allow user to over-ride
boolean useCustomRenderer = this.customImageHandler != null;
if (useCustomRenderer) {
useCustomRenderer = this.customImageHandler.drawImageOnscreen(image, optionsApplied, upside_down, null, this.g2, renderDirect,
this.objectStoreRef, this.isPrinting);
}
// exit if done
if (useCustomRenderer) {
this.g2.setComposite(c);
return;
}
this.g2.translate(dx, dy);
// hack to make bw
if (this.customColorHandler != null) {
BufferedImage newImage = this.customColorHandler.processImage(image, this.pageNumber, this.isPrinting);
if (newImage != null) {
image = newImage;
}
}
else
if (PdfDecoder.Helper != null) {
BufferedImage newImage = PdfDecoder.Helper.processImage(image, this.pageNumber, this.isPrinting);
if (newImage != null) {
image = newImage;
}
}
Shape g2clip = this.g2.getClip();
boolean isClipReset = false;
// hack to fix clipping issues due to sub-pixels
if (g2clip != null) {
double cy = this.g2.getClip().getBounds2D().getY();
double ch = this.g2.getClip().getBounds2D().getHeight();
double diff = image.getHeight() - ch;
if (diff < 0) {
diff = -diff;
}
if (diff > 0 && diff < 1 && cy < 0 && image.getHeight() > 1 && image.getHeight() < 10) {
int count = 0;
PathIterator i = this.g2.getClip().getPathIterator(null);
while (!i.isDone() && count < 6) { // see if rectangle or complex clip
i.next();
count++;
}
if (count < 6) {
double cx = this.g2.getClip().getBounds2D().getX();
double cw = this.g2.getClip().getBounds2D().getWidth();
this.g2.setClip(new Rectangle((int) cx, (int) cy, (int) cw, (int) ch));
isClipReset = false;
}
}
}
// If image is gray scale and small use quicker scale method
// Possibly in future use different scale methods based on size to improve speed?
// 23032012 - disabled by Mark as breaks with new print code
if (1 == 2 && image.getType() == BufferedImage.TYPE_BYTE_GRAY && image.getHeight() < 43 && !this.isPrinting) {
// This is how we fix the gray scale image
AffineTransformOp op = new AffineTransformOp(upside_down, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
this.g2.drawImage(image, op, 0, 0);
}
else {
// Draw image as normal
this.g2.drawImage(image, upside_down, null);
}
if (isClipReset) {
this.g2.setClip(g2clip);
}
}
catch (Exception e) {
// tell user and log
if (LogWriter.isOutput()) LogWriter.writeLog("Exception: " + e.getMessage());
}
}
else {
try {
if (applyTransform) {
AffineTransformOp invert = new AffineTransformOp(upside_down, ColorSpaces.hints);
image = invert.filter(image, null);
}
this.g2.translate(x, y);
if (this.optimisedTurnCode && (optionsApplied & PDFImageProcessing.TURN_ON_DRAW) == PDFImageProcessing.TURN_ON_DRAW) {
AffineTransform flip2;
float[] flip = new float[] { 1f, 0f, 0f, -1f, 0f, image.getHeight() };
AffineTransform flip3;
if (this.pageRotation == 0) {
flip2 = new AffineTransform(flip);
}
else
if (this.pageRotation == 90) {
flip2 = new AffineTransform();
if (this.extraRot) {
flip2.rotate(Math.PI, 0, 0);
}
else {
flip2.rotate(Math.PI / 2, 0, 0);
}
flip2.translate(-image.getWidth(), -image.getHeight());
flip = new float[] { -1f, 0f, 0f, 1f, image.getWidth(), 0 };// (float)image.getHeight()};
flip3 = new AffineTransform(flip);
flip2.concatenate(flip3);
}
else
if (this.pageRotation == 180) {
flip2 = new AffineTransform();
if (this.extraRot) {
flip2.rotate(Math.PI, 0, 0);
}
flip2.translate(-image.getWidth(), -image.getHeight());
flip = new float[] { -1f, 0f, 0f, 1f, image.getWidth(), 0 };// (float)image.getHeight()};
flip3 = new AffineTransform(flip);
flip2.concatenate(flip3);
}
else {
flip2 = new AffineTransform();
if (this.extraRot) {
flip2.rotate(Math.PI, 0, 0);
}
else {
flip2.rotate(Math.PI / 2 + Math.PI, 0, 0);
}
flip2.translate(-image.getWidth(), -image.getHeight());
flip = new float[] { -1f, 0f, 0f, 1f, image.getWidth(), 0 };
flip3 = new AffineTransform(flip);
flip2.concatenate(flip3);
}
this.g2.drawImage(image, flip2, null);
}
else {
this.g2.drawImage(image, 0, 0, null);
}
this.g2.translate(-x, -y);
}
catch (Exception e) {
// tell user and log
if (LogWriter.isOutput()) LogWriter.writeLog("Exception: " + e.getMessage());
}
}
this.g2.setTransform(before);
if (isClipChanged && (DecoderOptions.isRunningOnMac) && (clip != null)) {
this.g2.setClip(clip);
}
this.g2.setComposite(c);
}
final void renderText(float x, float y, int type, Area transformedGlyph2, Rectangle textHighlight, PdfPaint strokePaint, PdfPaint textFillCol,
float strokeOpacity, float fillOpacity) {
Paint currentCol = this.g2.getPaint();
// type of draw operation to use
Composite comp = this.g2.getComposite();
if ((type & GraphicsState.FILL) == GraphicsState.FILL) {
if (textFillCol != null) {
// If we have an alt text color, its within threshold and not an additional item, use alt color
if (this.textColor != null && (this.currentItem == -1 || (this.endItem == -1 || this.currentItem <= this.endItem))
&& checkColorThreshold(textFillCol.getRGB())) {
textFillCol = new PdfColor(this.textColor.getRed(), this.textColor.getGreen(), this.textColor.getBlue());
}
textFillCol.setScaling(this.cropX, this.cropH, this.scaling, x, y);
}
if (this.customColorHandler != null) {
this.customColorHandler.setPaint(this.g2, textFillCol, this.pageNumber, this.isPrinting);
}
else
if (PdfDecoder.Helper != null) {
PdfDecoder.Helper.setPaint(this.g2, textFillCol, this.pageNumber, this.isPrinting);
}
else {
this.g2.setPaint(textFillCol);
}
if (fillOpacity != 1f) {
this.g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, fillOpacity));
}
if (textHighlight != null) {
if (invertHighlight) {
Color col = this.g2.getColor();
this.g2.setColor(new Color(255 - col.getRed(), 255 - col.getGreen(), 255 - col.getBlue()));
}
else
if (DecoderOptions.backgroundColor != null) {
this.g2.setColor(DecoderOptions.backgroundColor);
}
}
this.g2.fill(transformedGlyph2);
// reset opacity
this.g2.setComposite(comp);
}
if ((type & GraphicsState.STROKE) == GraphicsState.STROKE) {
if (strokePaint != null) {
// If we have an alt text color, its within threshold and not an additional item, use alt color
if (this.textColor != null && (this.currentItem == -1 || (this.endItem == -1 || this.currentItem <= this.endItem))
&& checkColorThreshold(strokePaint.getRGB())) {
strokePaint = new PdfColor(this.textColor.getRed(), this.textColor.getGreen(), this.textColor.getBlue());
}
strokePaint.setScaling(this.cropX + x, this.cropH + y, this.scaling, x, y);
}
if (this.customColorHandler != null) {
this.customColorHandler.setPaint(this.g2, strokePaint, this.pageNumber, this.isPrinting);
}
else
if (PdfDecoder.Helper != null) {
PdfDecoder.Helper.setPaint(this.g2, strokePaint, this.pageNumber, this.isPrinting);
}
else {
this.g2.setPaint(strokePaint);
}
if (strokeOpacity != 1f) {
this.g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, strokeOpacity));
}
if (textHighlight != null) {
if (invertHighlight) {
Color col = this.g2.getColor();
this.g2.setColor(new Color(255 - col.getRed(), 255 - col.getGreen(), 255 - col.getBlue()));
}
else
if (DecoderOptions.backgroundColor != null) {
this.g2.setColor(DecoderOptions.backgroundColor);
}
}
// factor in scaling
float lineWidth = (float) (1f / this.g2.getTransform().getScaleX());
if (lineWidth < 0) {
lineWidth = -lineWidth;
}
this.g2.setStroke(new BasicStroke(lineWidth));
if (lineWidth < 0.1f) {
this.g2.draw(transformedGlyph2);
}
else {
this.g2.fill(transformedGlyph2);
}
// reset opacity
this.g2.setComposite(comp);
}
this.g2.setPaint(currentCol);
}
// used internally - please do not use
@Override
public ObjectStore getObjectStore() {
return this.objectStoreRef;
}
/**
* Screen drawing using hi res images and not down-sampled images but may be slower and use more memory
*/
@Override
public void setHiResImageForDisplayMode(boolean useHiResImageForDisplay) {
this.useHiResImageForDisplay = useHiResImageForDisplay;
}
@Override
public void setScalingValues(double cropX, double cropH, float scaling) {
this.cropX = cropX;
this.cropH = cropH;
this.scaling = scaling;
}
@Override
public void setCustomImageHandler(org.jpedal.external.ImageHandler customImageHandler) {
this.customImageHandler = customImageHandler;
}
@Override
public void setCustomColorHandler(org.jpedal.external.ColorHandler colorController) {
this.customColorHandler = colorController;
}
// //////////////////NOT used except by screen/////////////////////////////////
/**
* reset on colorspace change to ensure cached data up to data
*/
@Override
public void resetOnColorspaceChange() {
// To change body of implemented methods use File | Settings | File Templates.
}
@Override
public void drawFontBounds(Rectangle newfontBB) {}
/**
* store af info
*/
@Override
public void drawAffine(double[] afValues) {
// To change body of implemented methods use File | Settings | File Templates.
}
/**
* store af info
*/
@Override
public void drawFontSize(int fontSize) {
// To change body of implemented methods use File | Settings | File Templates.
}
/**
* store line width info
*/
@Override
public void setLineWidth(int lineWidth) {
// To change body of implemented methods use File | Settings | File Templates.
}
/**
* stop screen bein cleared on repaint - used by Canoo code
*
* NOT PART OF API and subject to change (DO NOT USE)
*/
@Override
public void stopClearOnNextRepaint(boolean flag) {
// To change body of implemented methods use File | Settings | File Templates.
}
@Override
public boolean hasObjectsBehind(float[][] CTM) {
boolean hasObject = false;
int x = (int) CTM[2][0];
int y = (int) CTM[2][1];
int w = (int) CTM[0][0];
if (w == 0) {
w = (int) CTM[0][1];
}
int h = (int) CTM[1][1];
if (h == 0) {
h = (int) CTM[1][0];
}
// if h or w are negative, reverse values
// as intersects and contains can't cope with it
if (h < 0) {
y = y + h;
h = y - h;
}
if (w < 0) {
x = x + w;
w = x - w;
}
Rectangle[] areas = this.areas.get();
int count = areas.length;
int rx, ry, rw, rh;
for (int i = 0; i < count; i++) {
if (areas[i] != null) {
// find if overlap and exit once found
rx = areas[i].x;
ry = areas[i].y;
rw = areas[i].width;
rh = areas[i].height;
boolean xOverlap = valueInRange(x, rx, rx + rw) || valueInRange(rx, x, x + w);
boolean yOverlap = xOverlap && valueInRange(y, ry, ry + rh) || valueInRange(ry, y, y + rh);
if (xOverlap && yOverlap) { // first match
i = count;
hasObject = true;
}
}
}
return hasObject;
}
private static boolean valueInRange(int value, int min, int max) {
return (value >= min && value <= max);
}
/**
* operations to do once page done
*/
@Override
public void flagDecodingFinished() {
// To change body of implemented methods use File | Settings | File Templates.
}
@Override
public void flagImageDeleted(int i) {
// To change body of implemented methods use File | Settings | File Templates.
}
@Override
public void setOCR(boolean isOCR) {
// To change body of implemented methods use File | Settings | File Templates.
}
/**
* turn object into byte[] so we can move across this way should be much faster than the stadard Java serialise.
*
* NOT PART OF API and subject to change (DO NOT USE)
*
* @throws java.io.IOException
*/
@Override
public byte[] serializeToByteArray(Set fontsAlreadyOnClient) throws IOException {
return new byte[0];
}
/**
* for font if we are generatign glyph on first render
*/
@Override
public void checkFontSaved(Object glyph, String name, PdfFont currentFontData) {
// To change body of implemented methods use File | Settings | File Templates.
}
@Override
public Rectangle getArea(int i) {
return null; // To change body of implemented methods use File | Settings | File Templates.
}
/**
* return number of image in display queue or -1 if none
*
* @return number of image in display queue or -1 if none (but currently hardcoded to 0)
*/
@Override
public int isInsideImage(int x, int y) {
return 0; // To change body of implemented methods use File | Settings | File Templates.
}
@Override
public void saveImage(int id, String des, String type) {
// To change body of implemented methods use File | Settings | File Templates.
}
/**
* HTML, or Image, or Display
*/
@Override
public int getType() {
return this.type;
}
/**
* return number of image in display queue or -1 if none
*
* @return number of image in display queue or -1 if none (but currently hardcoded to 0)
*/
@Override
public int getObjectUnderneath(int x, int y) {
return 0; // To change body of implemented methods use File | Settings | File Templates.
}
@Override
public void setneedsVerticalInvert(boolean b) {
// To change body of implemented methods use File | Settings | File Templates.
}
@Override
public void setneedsHorizontalInvert(boolean b) {
// To change body of implemented methods use File | Settings | File Templates.
}
/**
* just for printing
*
*/
@Override
public void stopG2HintSetting(boolean isSet) {
// To change body of implemented methods use File | Settings | File Templates.
}
@Override
public void setPrintPage(int currentPrintPage) {
// To change body of implemented methods use File | Settings | File Templates.
}
public void drawColor(PdfPaint currentCol, int type) {
// To change body of implemented methods use File | Settings | File Templates.
}
@Override
public void drawShape(Shape currentShape, GraphicsState currentGraphicsState, int cmd) {
// throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void drawCustom(Object value) {
// throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void drawEmbeddedText(float[][] Trm, int fontSize, PdfGlyph embeddedGlyph, Object javaGlyph, int type, GraphicsState gs,
AffineTransform at, String glyf, PdfFont currentFontData, float glyfWidth) {
// throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public Rectangle paint(Rectangle[] highlights, AffineTransform viewScaling, Rectangle userAnnot) {
// throw new UnsupportedOperationException("Not supported yet.");
return null;
}
@Override
public void setMessageFrame(Container frame) {
// throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void dispose() {}
@Override
public int drawImage(int pageNumber, BufferedImage image, GraphicsState currentGraphicsState, boolean alreadyCached, String name,
int optionsApplied, int previousUse) {
return -1;
}
@Override
public void drawXForm(DynamicVectorRenderer dvr, GraphicsState gs) {}
@Override
public void drawFillColor(PdfPaint currentCol) {}
@Override
public void drawAdditionalObjectsOverPage(int[] type, Color[] colors, Object[] obj) throws PdfException {}
@Override
public void flushAdditionalObjOnPage() {}
@Override
public void setOptimsePainting(boolean optimsePainting) {
// throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void flush() {
// throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void drawText(float[][] Trm, String text, GraphicsState currentGraphicsState, float x, float y, Font javaFont) {
// throw new UnsupportedOperationException("Not supported yet.");
}
public Rectangle getCombinedAreas(Rectangle targetRectangle, boolean justText) {
return null;// throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public Rectangle getOccupiedArea() {
return null;// throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void setGraphicsState(int fillType, float value) {
// throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void drawStrokeColor(Paint currentCol) {
// throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void drawTR(int value) {
// throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void drawStroke(Stroke current) {
// throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void drawClip(GraphicsState currentGraphicsState, Shape defaultClip, boolean alwaysDraw) {
// throw new UnsupportedOperationException("Not supported yet.");
}
/**
* used by some custom version of DynamicVectorRenderer
*
* @param output_dir
* @param pageAsString
*/
@Override
public void setOutputDir(String output_dir, String fileName, String pageAsString) {}
/**
* used by some custom version of DynamicVectorRenderer
*/
@Override
public void writeCustom(int key, Object value) {}
/** allow tracking of specific commands **/
@Override
public void flagCommand(int commandID, int tokenNumber) {
}
@Override
public void setTag(int formTag, String value) {
// used by HTML to set tags like form to custom values
}
@Override
public void setValue(int key, int i) {
switch (key) {
case ALT_BACKGROUND_COLOR:
this.backgroundColor = new Color(i);
break;
case ALT_FOREGROUND_COLOR:
this.textColor = new Color(i);
break;
case FOREGROUND_INCLUDE_LINEART:
if (i > 0) this.changeLineArtAndText = true;
else this.changeLineArtAndText = false;
break;
case COLOR_REPLACEMENT_THRESHOLD:
this.colorThresholdToReplace = i;
break;
}
}
@Override
public void setValue(int key, String[] S) {
}
@Override
public int getValue(int key) {
// used by HTML to get font handing mode, etc
// this is the unused 'dummy' default implementation required for other modes as in Interface
return -1;
}
/**
* used by Pattern code internally (do not use)
*
* @return null (hardcoded)
*/
@Override
public BufferedImage getSingleImagePattern() {
return null; // To change body of implemented methods use File | Settings | File Templates.
}
/**
* only used in HTMLDisplay at present
*
* @param includeJSFontResizingCode
* @param b
*/
@Override
public void setBooleanValue(int includeJSFontResizingCode, boolean b) {
}
/** used by JavaFX and HTML5 conversion to override scaling */
@Override
public boolean isScalingControlledByUser() {
return false;
}
/** used by HTML to retai nimage quality */
@Override
public boolean avoidDownSamplingImage() {
return false;
}
/**
* allow user to read
*/
@Override
public boolean getBooleanValue(int encloseContentInDiv) {
return false;
}
/**
* page scaling used by HTML code only
*
* @return scaling value
*/
@Override
public float getScaling() {
return this.scaling;
}
/**
* only used in HTML5 and SVG conversion
*
* @param baseFontName
* @param s
* @param potentialWidth
*/
@Override
public void saveAdvanceWidth(String baseFontName, String s, int potentialWidth) {
}
public static int isRectangle(Shape bounds) {
int count = 0;
PathIterator i = bounds.getPathIterator(null);
while (!i.isDone() && count < 8) { // see if rectangle or complex clip
i.next();
count++;
}
return count;
}
@Override
//used by HTML/SVG mode only
public Object getObjectValue(final int id) {
return null;
}
public static boolean isHTMLorSVG(final DynamicVectorRenderer dvr) {
return dvr.getType() == DynamicVectorRenderer.CREATE_HTML || dvr.getType() == DynamicVectorRenderer.CREATE_SVG || dvr.getType() == DynamicVectorRenderer.CREATE_EPOS;
}
}