com.lowagie.text.pdf.codec.wmf.MetaState Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of itext Show documentation
Show all versions of itext Show documentation
This is a build of the last MPL version of iText.
The newest version!
/*
* $Id: MetaState.java 3427 2008-05-24 18:32:31Z xlv $
*
* Copyright 2001, 2002 Paulo Soares
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or 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 Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text.pdf.codec.wmf;
import java.awt.Color;
import java.awt.Point;
import java.util.ArrayList;
import java.util.Stack;
import com.lowagie.text.pdf.PdfContentByte;
public class MetaState {
public static final int TA_NOUPDATECP = 0;
public static final int TA_UPDATECP = 1;
public static final int TA_LEFT = 0;
public static final int TA_RIGHT = 2;
public static final int TA_CENTER = 6;
public static final int TA_TOP = 0;
public static final int TA_BOTTOM = 8;
public static final int TA_BASELINE = 24;
public static final int TRANSPARENT = 1;
public static final int OPAQUE = 2;
public static final int ALTERNATE = 1;
public static final int WINDING = 2;
public Stack savedStates;
public ArrayList MetaObjects;
public Point currentPoint;
public MetaPen currentPen;
public MetaBrush currentBrush;
public MetaFont currentFont;
public Color currentBackgroundColor = Color.white;
public Color currentTextColor = Color.black;
public int backgroundMode = OPAQUE;
public int polyFillMode = ALTERNATE;
public int lineJoin = 1;
public int textAlign;
public int offsetWx;
public int offsetWy;
public int extentWx;
public int extentWy;
public float scalingX;
public float scalingY;
/** Creates new MetaState */
public MetaState() {
savedStates = new Stack();
MetaObjects = new ArrayList();
currentPoint = new Point(0, 0);
currentPen = new MetaPen();
currentBrush = new MetaBrush();
currentFont = new MetaFont();
}
public MetaState(MetaState state) {
setMetaState(state);
}
public void setMetaState(MetaState state) {
savedStates = state.savedStates;
MetaObjects = state.MetaObjects;
currentPoint = state.currentPoint;
currentPen = state.currentPen;
currentBrush = state.currentBrush;
currentFont = state.currentFont;
currentBackgroundColor = state.currentBackgroundColor;
currentTextColor = state.currentTextColor;
backgroundMode = state.backgroundMode;
polyFillMode = state.polyFillMode;
textAlign = state.textAlign;
lineJoin = state.lineJoin;
offsetWx = state.offsetWx;
offsetWy = state.offsetWy;
extentWx = state.extentWx;
extentWy = state.extentWy;
scalingX = state.scalingX;
scalingY = state.scalingY;
}
public void addMetaObject(MetaObject object) {
for (int k = 0; k < MetaObjects.size(); ++k) {
if (MetaObjects.get(k) == null) {
MetaObjects.set(k, object);
return;
}
}
MetaObjects.add(object);
}
public void selectMetaObject(int index, PdfContentByte cb) {
MetaObject obj = (MetaObject)MetaObjects.get(index);
if (obj == null)
return;
int style;
switch (obj.getType()) {
case MetaObject.META_BRUSH:
currentBrush = (MetaBrush)obj;
style = currentBrush.getStyle();
if (style == MetaBrush.BS_SOLID) {
Color color = currentBrush.getColor();
cb.setColorFill(color);
}
else if (style == MetaBrush.BS_HATCHED) {
Color color = currentBackgroundColor;
cb.setColorFill(color);
}
break;
case MetaObject.META_PEN:
{
currentPen = (MetaPen)obj;
style = currentPen.getStyle();
if (style != MetaPen.PS_NULL) {
Color color = currentPen.getColor();
cb.setColorStroke(color);
cb.setLineWidth(Math.abs(currentPen.getPenWidth() * scalingX / extentWx));
switch (style) {
case MetaPen.PS_DASH:
cb.setLineDash(18, 6, 0);
break;
case MetaPen.PS_DASHDOT:
cb.setLiteral("[9 6 3 6]0 d\n");
break;
case MetaPen.PS_DASHDOTDOT:
cb.setLiteral("[9 3 3 3 3 3]0 d\n");
break;
case MetaPen.PS_DOT:
cb.setLineDash(3, 0);
break;
default:
cb.setLineDash(0);
break;
}
}
break;
}
case MetaObject.META_FONT:
{
currentFont = (MetaFont)obj;
break;
}
}
}
public void deleteMetaObject(int index) {
MetaObjects.set(index, null);
}
public void saveState(PdfContentByte cb) {
cb.saveState();
MetaState state = new MetaState(this);
savedStates.push(state);
}
public void restoreState(int index, PdfContentByte cb) {
int pops;
if (index < 0)
pops = Math.min(-index, savedStates.size());
else
pops = Math.max(savedStates.size() - index, 0);
if (pops == 0)
return;
MetaState state = null;
while (pops-- != 0) {
cb.restoreState();
state = (MetaState)savedStates.pop();
}
setMetaState(state);
}
public void cleanup(PdfContentByte cb) {
int k = savedStates.size();
while (k-- > 0)
cb.restoreState();
}
public float transformX(int x) {
return ((float)x - offsetWx) * scalingX / extentWx;
}
public float transformY(int y) {
return (1f - ((float)y - offsetWy) / extentWy) * scalingY;
}
public void setScalingX(float scalingX) {
this.scalingX = scalingX;
}
public void setScalingY(float scalingY) {
this.scalingY = scalingY;
}
public void setOffsetWx(int offsetWx) {
this.offsetWx = offsetWx;
}
public void setOffsetWy(int offsetWy) {
this.offsetWy = offsetWy;
}
public void setExtentWx(int extentWx) {
this.extentWx = extentWx;
}
public void setExtentWy(int extentWy) {
this.extentWy = extentWy;
}
public float transformAngle(float angle) {
float ta = scalingY < 0 ? -angle : angle;
return (float)(scalingX < 0 ? Math.PI - ta : ta);
}
public void setCurrentPoint(Point p) {
currentPoint = p;
}
public Point getCurrentPoint() {
return currentPoint;
}
public MetaBrush getCurrentBrush() {
return currentBrush;
}
public MetaPen getCurrentPen() {
return currentPen;
}
public MetaFont getCurrentFont() {
return currentFont;
}
/** Getter for property currentBackgroundColor.
* @return Value of property currentBackgroundColor.
*/
public Color getCurrentBackgroundColor() {
return currentBackgroundColor;
}
/** Setter for property currentBackgroundColor.
* @param currentBackgroundColor New value of property currentBackgroundColor.
*/
public void setCurrentBackgroundColor(Color currentBackgroundColor) {
this.currentBackgroundColor = currentBackgroundColor;
}
/** Getter for property currentTextColor.
* @return Value of property currentTextColor.
*/
public Color getCurrentTextColor() {
return currentTextColor;
}
/** Setter for property currentTextColor.
* @param currentTextColor New value of property currentTextColor.
*/
public void setCurrentTextColor(Color currentTextColor) {
this.currentTextColor = currentTextColor;
}
/** Getter for property backgroundMode.
* @return Value of property backgroundMode.
*/
public int getBackgroundMode() {
return backgroundMode;
}
/** Setter for property backgroundMode.
* @param backgroundMode New value of property backgroundMode.
*/
public void setBackgroundMode(int backgroundMode) {
this.backgroundMode = backgroundMode;
}
/** Getter for property textAlign.
* @return Value of property textAlign.
*/
public int getTextAlign() {
return textAlign;
}
/** Setter for property textAlign.
* @param textAlign New value of property textAlign.
*/
public void setTextAlign(int textAlign) {
this.textAlign = textAlign;
}
/** Getter for property polyFillMode.
* @return Value of property polyFillMode.
*/
public int getPolyFillMode() {
return polyFillMode;
}
/** Setter for property polyFillMode.
* @param polyFillMode New value of property polyFillMode.
*/
public void setPolyFillMode(int polyFillMode) {
this.polyFillMode = polyFillMode;
}
public void setLineJoinRectangle(PdfContentByte cb) {
if (lineJoin != 0) {
lineJoin = 0;
cb.setLineJoin(0);
}
}
public void setLineJoinPolygon(PdfContentByte cb) {
if (lineJoin == 0) {
lineJoin = 1;
cb.setLineJoin(1);
}
}
public boolean getLineNeutral() {
return (lineJoin == 0);
}
}