diff options
Diffstat (limited to 'src/main/java/com/lowagie/text/pdf/codec/wmf/MetaState.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/pdf/codec/wmf/MetaState.java | 372 |
1 files changed, 372 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/text/pdf/codec/wmf/MetaState.java b/src/main/java/com/lowagie/text/pdf/codec/wmf/MetaState.java new file mode 100644 index 0000000..97f18f4 --- /dev/null +++ b/src/main/java/com/lowagie/text/pdf/codec/wmf/MetaState.java @@ -0,0 +1,372 @@ +/*
+ * $Id: MetaState.java,v 1.5 2005/12/01 16:57:15 psoares33 Exp $
+ * $Name: $
+ *
+ * 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.util.ArrayList;
+import java.util.Stack;
+import java.awt.Point;
+import java.awt.Color;
+import com.lowagie.text.pdf.*;
+
+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((float)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);
+ }
+
+}
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