rtfdestinationshppict.java

来自「有关对pdf操作的代码」· Java 代码 · 共 519 行 · 第 1/2 页

					e1.printStackTrace();
				} catch (IOException e1) {
					e1.printStackTrace();
				}

				// set the image attributes
				
				img.scaleAbsolute(this.desiredWidth.floatValue()/PIXEL_TWIPS_FACTOR, this.desiredHeight.floatValue()/PIXEL_TWIPS_FACTOR);
				img.scaleAbsolute(this.width.floatValue()/PIXEL_TWIPS_FACTOR, this.height.floatValue()/PIXEL_TWIPS_FACTOR);
				img.scalePercent(this.scaleX.floatValue(), this.scaleY.floatValue());
//				img.setBorder(value);
				
				try {
					if(this.rtfParser.isImport()) {
						RtfDocument rtfDoc = this.rtfParser.getRtfDocument();
						RtfImage rtfImage = new RtfImage(rtfDoc, img);
						rtfDoc.add(rtfImage);
					}
					if(this.rtfParser.isConvert()) {
						this.rtfParser.getDocument().add(img);
					}
				} catch (DocumentException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
			
//			data = new ByteBuffer();
			dataFormat = FORMAT_HEXADECIMAL;
			return true;
	}

	/* (non-Javadoc)
	 * @see com.lowagie.text.rtf.direct.RtfDestination#handleGroupStart()
	 */
	public boolean handleOpenGroup() {
		this.onOpenGroup();	// event handler
		
		if(this.rtfParser.isImport()) {
		}
		if(this.rtfParser.isConvert()) {
		}
		return true;
	}
	/* (non-Javadoc)
	 * @see com.lowagie.text.rtf.parser.destinations.RtfDestination#handleOpenNewGroup()
	 */
	public boolean handleOpeningSubGroup() {
		if(this.rtfParser.isImport()) {
			if(this.buffer.length()>0) {
				writeBuffer();
			}
		}
		return true;
	}
	/* (non-Javadoc)
	 * @see com.lowagie.text.rtf.direct.RtfDestination#handleCharacter(int)
	 */
	public boolean handleCharacter(int ch) {
		
		if(this.rtfParser.isImport()) {
			if(buffer.length() > 254)
				writeBuffer();
		}
		if(data == null) data = new ByteBuffer();
		switch(dataFormat) {
		case FORMAT_HEXADECIMAL:
			hexChars.append(ch);
			if(hexChars.length() == 2) {
				try {
					data.append((char)Integer.parseInt(hexChars.toString() , 16));
				} catch (NumberFormatException e) {
					e.printStackTrace();
				}
				hexChars = new StringBuffer();
			}
			break;
		case FORMAT_BINARY:
			if (dataOS == null) { 
				dataOS = new ByteArrayOutputStream();
			}
			// HGS - FIX ME IF PROBLEM!
			dataOS.write((char)(ch));
			// PNG signature should be.
//			   (decimal)              137  80  78  71  13  10  26  10
//			   (hexadecimal)           89  50  4e  47  0d  0a  1a  0a
//			   (ASCII C notation)    \211   P   N   G  \r  \n \032 \n

//			data.append(b1[0]);
			binaryLength--;
			if(binaryLength == 0) { dataFormat = FORMAT_HEXADECIMAL; }
			break;
		}
		
		return true;
	}
	public boolean handleControlWord(RtfCtrlWordData ctrlWordData) {
		boolean result = false;
		boolean skipCtrlWord = false;
		if(this.rtfParser.isImport()) {
			skipCtrlWord = true;
			if(ctrlWordData.ctrlWord.equals("shppict")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("nonshppict")) {	// never gets here because this is a destination set to null
				skipCtrlWord = true; this.rtfParser.setTokeniserStateSkipGroup(); result = true;
				}
			if(ctrlWordData.ctrlWord.equals("blipuid")) { skipCtrlWord = true; this.rtfParser.setTokeniserStateSkipGroup(); result = true;}
			if(ctrlWordData.ctrlWord.equals("picprop")) { skipCtrlWord = true; this.rtfParser.setTokeniserStateSkipGroup(); result = true;}
			if(ctrlWordData.ctrlWord.equals("pict")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("emfblip")) { result = true; pictureType = Image.ORIGINAL_NONE;}
			if(ctrlWordData.ctrlWord.equals("pngblip")) { result = true; pictureType = Image.ORIGINAL_PNG;}
			if(ctrlWordData.ctrlWord.equals("jepgblip")) { result = true; pictureType = Image.ORIGINAL_JPEG;}
			if(ctrlWordData.ctrlWord.equals("macpict")) { result = true; pictureType = Image.ORIGINAL_NONE;}
			if(ctrlWordData.ctrlWord.equals("pmmetafile")) { result = true; pictureType = Image.ORIGINAL_NONE;}
			if(ctrlWordData.ctrlWord.equals("wmetafile")) { result = true; pictureType = Image.ORIGINAL_WMF;}
			if(ctrlWordData.ctrlWord.equals("dibitmap")) { result = true; pictureType = Image.ORIGINAL_NONE;}
			if(ctrlWordData.ctrlWord.equals("wbitmap")) { result = true; pictureType = Image.ORIGINAL_BMP;}
			/* bitmap information */
			if(ctrlWordData.ctrlWord.equals("wbmbitspixel")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("wbmplanes")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("wbmwidthbytes")) { result = true;}
			/* picture size, scaling and cropping */
			if(ctrlWordData.ctrlWord.equals("picw")) { this.width = ctrlWordData.toLong(); result = true;}
			if(ctrlWordData.ctrlWord.equals("pich")) { this.height = ctrlWordData.toLong(); result = true;}
			if(ctrlWordData.ctrlWord.equals("picwgoal")) { this.desiredWidth = ctrlWordData.toLong(); result = true;}
			if(ctrlWordData.ctrlWord.equals("pichgoal")) { this.desiredHeight = ctrlWordData.toLong(); result = true;}
			if(ctrlWordData.ctrlWord.equals("picscalex")) { this.scaleX = ctrlWordData.toInteger(); result = true;}
			if(ctrlWordData.ctrlWord.equals("picscaley")) { this.scaleY = ctrlWordData.toInteger();result = true;}
			if(ctrlWordData.ctrlWord.equals("picscaled")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("picprop")) { skipCtrlWord = true; this.rtfParser.setTokeniserStateSkipGroup(); result = true;}
			if(ctrlWordData.ctrlWord.equals("defshp")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("piccropt")) { this.cropTop = ctrlWordData.toInteger(); result = true;}
			if(ctrlWordData.ctrlWord.equals("piccropb")) { this.cropBottom = ctrlWordData.toInteger(); result = true;}
			if(ctrlWordData.ctrlWord.equals("piccropl")) { this.cropLeft = ctrlWordData.toInteger(); result = true;}
			if(ctrlWordData.ctrlWord.equals("piccropr")) { this.cropRight = ctrlWordData.toInteger(); result = true;}
			/* metafile information */
			if(ctrlWordData.ctrlWord.equals("picbmp")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("picbpp")) { result = true;}
			/* picture data */
			if(ctrlWordData.ctrlWord.equals("bin")) { 
				this.dataFormat = FORMAT_BINARY;
				// set length to param
				this.binaryLength = ctrlWordData.longValue();
				this.rtfParser.setTokeniserStateBinary(binaryLength);
				result = true;
			}
			if(ctrlWordData.ctrlWord.equals("blipupi")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("blipuid")) { skipCtrlWord = true; this.rtfParser.setTokeniserStateSkipGroup(); result = true;}
			if(ctrlWordData.ctrlWord.equals("bliptag")) { result = true;}
		}
		if(this.rtfParser.isConvert()) {
			if(ctrlWordData.ctrlWord.equals("shppict")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("nonshppict")) { skipCtrlWord = true; this.rtfParser.setTokeniserStateSkipGroup(); result = true;}
			if(ctrlWordData.ctrlWord.equals("blipuid")) { result = true; this.rtfParser.setTokeniserStateSkipGroup(); result = true;}
			if(ctrlWordData.ctrlWord.equals("pict")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("emfblip")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("pngblip")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("jepgblip")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("macpict")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("pmmetafile")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("wmetafile")) {  skipCtrlWord = true; this.rtfParser.setTokeniserStateSkipGroup(); result = true;}
			if(ctrlWordData.ctrlWord.equals("dibitmap")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("wbitmap")) { result = true;}
			/* bitmap information */
			if(ctrlWordData.ctrlWord.equals("wbmbitspixel")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("wbmplanes")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("wbmwidthbytes")) { result = true;}
			/* picture size, scaling and cropping */
			if(ctrlWordData.ctrlWord.equals("picw")) { this.width = ctrlWordData.toLong(); result = true;}
			if(ctrlWordData.ctrlWord.equals("pich")) { this.height = ctrlWordData.toLong(); result = true;}
			if(ctrlWordData.ctrlWord.equals("picwgoal")) { this.desiredWidth = ctrlWordData.toLong(); result = true;}
			if(ctrlWordData.ctrlWord.equals("pichgoal")) { this.desiredHeight = ctrlWordData.toLong(); result = true;}
			if(ctrlWordData.ctrlWord.equals("picscalex")) { this.scaleX = ctrlWordData.toInteger(); result = true;}
			if(ctrlWordData.ctrlWord.equals("picscaley")) { this.scaleY = ctrlWordData.toInteger();result = true;}
			if(ctrlWordData.ctrlWord.equals("picscaled")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("picprop")) { skipCtrlWord = true; this.rtfParser.setTokeniserStateSkipGroup(); result = true;}
			if(ctrlWordData.ctrlWord.equals("defshp")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("piccropt")) { this.cropTop = ctrlWordData.toInteger(); result = true;}
			if(ctrlWordData.ctrlWord.equals("piccropb")) { this.cropBottom = ctrlWordData.toInteger(); result = true;}
			if(ctrlWordData.ctrlWord.equals("piccropl")) { this.cropLeft = ctrlWordData.toInteger(); result = true;}
			if(ctrlWordData.ctrlWord.equals("piccropr")) { this.cropRight = ctrlWordData.toInteger(); result = true;}
			/* metafile information */
			if(ctrlWordData.ctrlWord.equals("picbmp")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("picbpp")) { result = true;}
			/* picture data */
			if(ctrlWordData.ctrlWord.equals("bin")) { 
				dataFormat = FORMAT_BINARY; result = true;
			}
			if(ctrlWordData.ctrlWord.equals("blipupi")) { result = true;}
			if(ctrlWordData.ctrlWord.equals("blipuid")) { skipCtrlWord = true; this.rtfParser.setTokeniserStateSkipGroup(); result = true;}
			if(ctrlWordData.ctrlWord.equals("bliptag")) { result = true;}
		
		}
		if(!skipCtrlWord) {
			switch(this.rtfParser.getConversionType()) {
			case RtfParser.TYPE_IMPORT_FULL:
					writeBuffer();
					writeText(ctrlWordData.toString());
				result = true;
				break;		
			case RtfParser.TYPE_IMPORT_FRAGMENT:
					writeBuffer();
					writeText(ctrlWordData.toString());
				result = true;
				break;
			case RtfParser.TYPE_CONVERT:
				result = true;
				break;
			default:	// error because is should be an import or convert
				result = false;
				break;
			}
		}
		return result;
	}

	/* (non-Javadoc)
	 * @see com.lowagie.text.rtf.direct.RtfDestination#setDefaults()
	 */
	public void setToDefaults() {
		
		this.buffer = new StringBuffer();
		this.data = null;
		this.width = null;
		this.height = null;
		this.desiredWidth = null;
		this.desiredHeight = null;
		this.scaleX = new Integer(100);
		this.scaleY = new Integer(100);
		this.scaled = null;
		this.inlinePicture = Boolean.FALSE;
		this.wordArt = Boolean.FALSE;
		this.cropTop = new Integer(0);
		this.cropBottom = new Integer(0);
		this.cropLeft = new Integer(0);
		this.cropRight = new Integer(0);
		this.bitmap = false;
		this.bbp = 1;
		this.dataFormat = FORMAT_HEXADECIMAL;
		this.binaryLength = 0;
		this.unitsPerInch = null;
		this.tag = "";
	}

	private void writeBuffer() {
		writeText(this.buffer.toString());
		//setToDefaults();
	}
	private void writeText(String value) {
		if(this.rtfParser.getState().newGroup) {
			this.rtfParser.getRtfDocument().add(new RtfDirectContent("{"));
			this.rtfParser.getState().newGroup = false;
		}
		if(value.length() > 0) {
			this.rtfParser.getRtfDocument().add(new RtfDirectContent(value));
		}
	}

}