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/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.render.rtf;
//FOP
import org.apache.commons.logging.Log;
import org.apache.commons.logging.impl.SimpleLog;
import org.apache.fop.apps.FOPException;
import org.apache.fop.datatypes.ColorType;
import org.apache.fop.fo.Constants;
import org.apache.fop.fo.flow.Block;
import org.apache.fop.fo.flow.BlockContainer;
import org.apache.fop.fo.flow.Character;
import org.apache.fop.fo.flow.Inline;
import org.apache.fop.fo.flow.PageNumber;
import org.apache.fop.fo.properties.ColorTypeProperty;
import org.apache.fop.fo.properties.CommonBorderPaddingBackground;
import org.apache.fop.fo.properties.CommonFont;
import org.apache.fop.fo.properties.CommonMarginBlock;
import org.apache.fop.render.rtf.rtflib.rtfdoc.RtfAttributes;
import org.apache.fop.render.rtf.rtflib.rtfdoc.RtfColorTable;
import org.apache.fop.render.rtf.rtflib.rtfdoc.RtfFontManager;
import org.apache.fop.render.rtf.rtflib.rtfdoc.RtfText;
/** Converts FO properties to RtfAttributes
* @author Bertrand Delacretaz bdelacretaz@codeconsult.ch
* @author Andreas Putz a.putz@skynamics.com
* @author Boris Poudérous boris.pouderous@eads-telecom.com
* @author Peter Herweg, pherweg@web.de
* @author Normand Massé
* @author Chris Scott
* @author rmarra
*/
class TextAttributesConverter {
private static Log log = new SimpleLog("FOP/RTF");
/**
* Converts all known text FO properties to RtfAttributes
* @param props list of FO properites, which are to be converted
*/
public static RtfAttributes convertAttributes(Block fobj)
throws FOPException {
FOPRtfAttributes attrib = new FOPRtfAttributes();
attrFont(fobj.getCommonFont(), attrib);
attrFontColor(fobj.getColor(), attrib);
//attrTextDecoration(fobj.getTextDecoration(), attrib);
attrBackgroundColor(fobj.getCommonBorderPaddingBackground(), attrib);
attrBlockMargin(fobj.getCommonMarginBlock(), attrib);
attrBlockTextAlign(fobj.getTextAlign(), attrib);
return attrib;
}
/**
* Converts all known text FO properties to RtfAttributes
* @param props list of FO properites, which are to be converted
*/
public static RtfAttributes convertBlockContainerAttributes(BlockContainer fobj)
throws FOPException {
FOPRtfAttributes attrib = new FOPRtfAttributes();
attrBackgroundColor(fobj.getCommonBorderPaddingBackground(), attrib);
attrBlockMargin(fobj.getCommonMarginBlock(), attrib);
//attrBlockDimension(fobj, attrib);
return attrib;
}
/**
* Converts all character related FO properties to RtfAttributes.
* @param fobj FObj whose properties are to be converted
*/
public static RtfAttributes convertCharacterAttributes(
Character fobj) throws FOPException {
FOPRtfAttributes attrib = new FOPRtfAttributes();
attrFont(fobj.getCommonFont(), attrib);
attrFontColor(fobj.getColor(), attrib);
attrTextDecoration(fobj.getTextDecoration(), attrib);
attrBackgroundColor(fobj.getCommonBorderPaddingBackground(), attrib);
return attrib;
}
/**
* Converts all character related FO properties to RtfAttributes.
* @param fobj FObj whose properties are to be converted
*/
public static RtfAttributes convertCharacterAttributes(
PageNumber fobj) throws FOPException {
FOPRtfAttributes attrib = new FOPRtfAttributes();
attrFont(fobj.getCommonFont(), attrib);
attrTextDecoration(fobj.getTextDecoration(), attrib);
attrBackgroundColor(fobj.getCommonBorderPaddingBackground(), attrib);
return attrib;
}
/**
* Converts all character related FO properties to RtfAttributes.
* @param fobj FObj whose properties are to be converted
*/
public static RtfAttributes convertCharacterAttributes(
Inline fobj) throws FOPException {
FOPRtfAttributes attrib = new FOPRtfAttributes();
attrFont(fobj.getCommonFont(), attrib);
attrFontColor(fobj.getColor(), attrib);
attrTextDecoration(fobj.getTextDecoration(), attrib);
attrBackgroundColor(fobj.getCommonBorderPaddingBackground(), attrib);
return attrib;
}
private static void attrFont(CommonFont font, FOPRtfAttributes rtfAttr) {
rtfAttr.set(RtfText.ATTR_FONT_FAMILY,
RtfFontManager.getInstance().getFontNumber(font.fontFamily));
rtfAttr.setHalfPoints(RtfText.ATTR_FONT_SIZE, font.fontSize);
if (font.fontWeight.equals("bold") || font.fontWeight.equals("700")) {
rtfAttr.set("b", 1);
} else {
rtfAttr.set("b", 0);
}
if (font.fontStyle.equals("italic")) {
rtfAttr.set(RtfText.ATTR_ITALIC, 1);
} else {
rtfAttr.set(RtfText.ATTR_ITALIC, 0);
}
}
private static void attrFontColor(ColorType colorType, RtfAttributes rtfAttr) {
// Cell background color
if (colorType != null) {
if (colorType.getAlpha() != 0
|| colorType.getRed() != 0
|| colorType.getGreen() != 0
|| colorType.getBlue() != 0) {
rtfAttr.set(RtfText.ATTR_FONT_COLOR,
convertFOPColorToRTF(colorType));
}
}
}
private static void attrTextDecoration(int textDecoration, RtfAttributes rtfAttr) {
if (textDecoration == Constants.EN_UNDERLINE) {
rtfAttr.set(RtfText.ATTR_UNDERLINE, 1);
} else {
rtfAttr.set(RtfText.ATTR_UNDERLINE, 0);
}
}
private static void attrBlockMargin(CommonMarginBlock cmb, FOPRtfAttributes rtfAttr) {
rtfAttr.setTwips(RtfText.SPACE_BEFORE,
cmb.spaceBefore.getOptimum().getLength());
rtfAttr.setTwips(RtfText.SPACE_AFTER,
cmb.spaceAfter.getOptimum().getLength());
rtfAttr.setTwips(RtfText.LEFT_INDENT_BODY, cmb.marginLeft);
rtfAttr.setTwips(RtfText.RIGHT_INDENT_BODY, cmb.marginRight);
}
/*
private static void attrBlockDimension(FObj fobj, FOPRtfAttributes rtfAttr) {
Length ipd = fobj.getProperty(Constants.PR_INLINE_PROGRESSION_DIMENSION).getLengthRange().getOptimum().getLength();
if (ipd.getEnum() != Constants.EN_AUTO) {
rtfAttr.set(RtfText.FRAME_WIDTH, ipd);
}
Length bpd = fobj.getProperty(Constants.PR_BLOCK_PROGRESSION_DIMENSION).getLengthRange().getOptimum().getLength();
if (bpd.getEnum() != Constants.EN_AUTO) {
rtfAttr.set(RtfText.FRAME_HEIGHT, bpd);
}
}
*/
private static void attrBlockTextAlign(int alignment, RtfAttributes rtfAttr) {
String rtfValue = null;
switch (alignment) {
case Constants.EN_CENTER:
rtfValue = RtfText.ALIGN_CENTER;
break;
case Constants.EN_END:
rtfValue = RtfText.ALIGN_RIGHT;
break;
case Constants.EN_JUSTIFY:
rtfValue = RtfText.ALIGN_JUSTIFIED;
break;
default:
rtfValue = RtfText.ALIGN_LEFT;
break;
}
rtfAttr.set(rtfValue);
}
/**
* Reads background-color from bl and writes it to rtfAttr.
*
* @param bl the Block object the properties are read from
* @param rtfAttr the RtfAttributes object the attributes are written to
*/
private static void attrBackgroundColor(CommonBorderPaddingBackground bpb, RtfAttributes rtfAttr) {
ColorType fopValue = bpb.backgroundColor;
int rtfColor = 0;
/* FOP uses a default background color of "transparent", which is
actually a transparent black, which is generally not suitable as a
default here. Changing FOP's default to "white" causes problems in
PDF output, so we will look for the default here & change it to
"auto". */
if ((fopValue == null)
|| ((fopValue.getRed() == 0)
&& (fopValue.getGreen() == 0)
&& (fopValue.getBlue() == 0)
&& (fopValue.getAlpha() == 0))) {
return;
} else {
rtfColor = convertFOPColorToRTF(fopValue);
}
rtfAttr.set(RtfText.ATTR_BACKGROUND_COLOR, rtfColor);
}
/**
* Converts a FOP ColorType to the integer pointing into the RTF color table
* @param fopColor the ColorType object to be converted
* @return integer pointing into the RTF color table
*/
public static int convertFOPColorToRTF(ColorType fopColor) {
int redComponent = ColorTypeProperty.convertChannelToInteger (fopColor.getRed());
int greenComponent = ColorTypeProperty.convertChannelToInteger (fopColor.getGreen());
int blueComponent = ColorTypeProperty.convertChannelToInteger (fopColor.getBlue());
return RtfColorTable.getInstance().getColorNumber(redComponent,
greenComponent, blueComponent).intValue();
}
}
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