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An Open Source JavaFX PDF Viewer
/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2017 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
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
*
* ---------------
* JavaTextRenderer.java
* ---------------
*/
package org.jpedal.parser.text;
import java.awt.font.GlyphVector;
import java.awt.geom.AffineTransform;
import java.awt.geom.Area;
import org.jpedal.fonts.PdfFont;
import org.jpedal.fonts.StandardFonts;
import org.jpedal.fonts.glyph.MarkerGlyph;
import org.jpedal.fonts.glyph.PdfJavaGlyphs;
import org.jpedal.fonts.glyph.UnrendererGlyph;
import org.jpedal.objects.GraphicsState;
import org.jpedal.parser.DecoderOptions;
import org.jpedal.parser.ParserOptions;
import org.jpedal.parser.ValueTypes;
import org.jpedal.render.DynamicVectorRenderer;
import org.jpedal.render.SwingDisplay;
/**
*
* @author markee
*/
class JavaTextRenderer {
static void renderTextWithJavaFonts(final GraphicsState gs, final DynamicVectorRenderer current, final int streamType, final ParserOptions parserOptions, final PdfFont currentFontData, final GlyphData glyphData, final int Tmode, final float currentWidth, final boolean isTextShifted, final PdfJavaGlyphs glyphs, final float[][] Trm) {
final float actualWidth=glyphData.getActualWidth();
/*set values used if rendering as well*/
Object transformedGlyph2;
AffineTransform glyphAt=null;
final int rawInt=glyphData.getRawInt();
/*
* store info needed to create glyph on first render or create now
*/
if(parserOptions.generateGlyphOnRender() && !parserOptions.renderDirectly()){
if(glyphData.isfirstTime()){
transformedGlyph2=new MarkerGlyph(Trm[0][0],Trm[0][1],Trm[1][0],Trm[1][1],currentFontData.getBaseFontName());
((SwingDisplay)current).checkFontSaved(transformedGlyph2,currentFontData.getBaseFontName(),currentFontData);
glyphData.setFirstTime(false);
}
currentFontData.setValuesForGlyph(rawInt,null,glyphData.getDisplayValue(),null);
transformedGlyph2=new UnrendererGlyph(Trm[2][0],Trm[2][1],rawInt,currentWidth);
}else{ //render now
final boolean isSTD= actualWidth>0 || DecoderOptions.isRunningOnMac || streamType==ValueTypes.FORM || StandardFonts.isStandardFont(currentFontData.getBaseFontName(), true) || currentFontData.isBrokenFont();
//flush cache if needed
if(glyphs.lastTrm[0][0]!= Trm[0][0] || glyphs.lastTrm[1][0]!= Trm[1][0] || glyphs.lastTrm[0][1]!= Trm[0][1] || glyphs.lastTrm[1][1]!= Trm[1][1]){
glyphs.lastTrm = Trm;
glyphs.flush();
}
//either calculate the glyph to draw or reuse if already drawn
Area glyph = glyphs.getCachedShape(rawInt);
glyphAt= glyphs.getCachedTransform(rawInt);
if (glyph == null) {
double dY = -1,dX=1, x3=0, y3=0;
//allow for text running up the page
if ((Trm[1][0] < 0 && Trm[0][1] >= 0)||(Trm[0][1] < 0 && Trm[1][0] >= 0)) {
dX=1f;
dY=-1f;
}
if (isSTD || glyphs.isCIDFont) {
glyph = glyphs.getGlyph(glyphData.getDisplayValue() , currentWidth);
//hack to fix problem with Java Arial font
if(glyph !=null && rawInt ==146 && glyphs.isArialInstalledLocally) {
y3 = -(glyph.getBounds().height - glyph.getBounds().y);
}
}else {
//remap font if needed
final String xx=glyphData.getDisplayValue();
GlyphVector gv1 =null;
//do not show CID fonts as Lucida unless match
if(!glyphs.isCIDFont || glyphs.isCorrupted() || glyphs.isFontInstalled) {
gv1 = glyphs.getUnscaledFont().createGlyphVector(PdfJavaGlyphs.frc, xx);
}
if(gv1!=null){
glyph = new Area(gv1.getOutline());
//put glyph into display position
double glyphX=gv1.getOutline().getBounds2D().getX();
//ensure inside box
x3=0;
if(glyphX<0){
glyphX=-glyphX;
x3=glyphX*2;
//System.out.println(x3+" "+displayTrm[0][0]+" "+displayTrm[0][0]);
if(Trm[0][0]>Trm[0][1]) {
x3 *= Trm[0][0];
} else {
x3 *= Trm[0][1];
}
//glyphAt =AffineTransform.getTranslateInstance(x3,0);
}
final double glyphWidth=gv1.getVisualBounds().getWidth()+(glyphX*2);
final double scaleFactor= currentWidth /glyphWidth;
if(scaleFactor<1) {
dX *= scaleFactor;
}
if(x3>0){
x3 *= dX;
}
}
}
glyphAt =new AffineTransform(dX* Trm[0][0],dX* Trm[0][1],dY* Trm[1][0],dY* Trm[1][1] ,x3, y3);
//create shape for text using transformation to make correct size
// glyphAt =new AffineTransform(dX* displayTrm[0][0],dX* displayTrm[0][1],dY* displayTrm[1][0],dY* displayTrm[1][1] ,x3, y3);
//save so we can reuse if it occurs again in this TJ command
glyphs.setCachedShape(rawInt, glyph,glyphAt);
}
if(glyph!=null && Tmode==GraphicsState.CLIPTEXT && glyph.getBounds().width>0){ /*support for TR7*/
final Area glyphShape=(Area) glyph.clone();
//we need to apply to make it all work
glyphShape.transform(glyphAt);
//if its already generated we just need to move it
if(parserOptions.renderDirectly()){
final AffineTransform at2 =AffineTransform.getTranslateInstance(Trm[2][0],(Trm[2][1]));
glyphShape.transform(at2);
}
gs.addClip(glyphShape);
//current.drawClip(gs,null,false);
// if(parserOptions.renderDirectly()) {
glyph = null;
//}
}
transformedGlyph2=glyph;
}
if(transformedGlyph2!=null){
final double[] textTrans = new double[6];
glyphAt.getMatrix(textTrans);
final int fontSize=glyphData.getFontSize();
if(parserOptions.useJavaFX()){
current.drawEmbeddedText(Trm,fontSize,null,null,DynamicVectorRenderer.TEXT, gs,textTrans, glyphData.getUnicodeValue(),currentFontData, -100);
}else
//add to renderer
if(parserOptions.renderDirectly()){
current.drawEmbeddedText(Trm,fontSize,null,transformedGlyph2,DynamicVectorRenderer.TEXT, gs,textTrans, glyphData.getUnicodeValue(),currentFontData, -100);
}else{
if(isTextShifted) {
current.drawEmbeddedText(Trm, -fontSize, null, transformedGlyph2, DynamicVectorRenderer.TEXT, gs, null, glyphData.getUnicodeValue(), currentFontData, -100);
} else {
current.drawEmbeddedText(Trm, fontSize, null, transformedGlyph2, DynamicVectorRenderer.TEXT, gs, null, glyphData.getUnicodeValue(), currentFontData, -100);
}
}
}
}
}