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/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2016 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
*
* ---------------
* DynamicVectorRenderer.java
* ---------------
*/
package org.jpedal.render;
import java.awt.*;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.Set;
import org.jpedal.exception.PdfException;
import org.jpedal.fonts.PdfFont;
import org.jpedal.fonts.glyph.PdfGlyph;
import org.jpedal.objects.GraphicsState;
import org.jpedal.objects.PdfShape;
public interface DynamicVectorRenderer {
int FontMode=1;
int TEXT=1;
int SHAPE=2;
int IMAGE=3;
int TRUETYPE=4;
int TYPE1C=5;
int TYPE3=6;
int CLIP=7;
int COLOR=8;
int AF=9;
int TEXTCOLOR=10;
int FILLCOLOR=11;
int STROKECOLOR=12;
int STROKE=14;
int TR=15;
int STRING=16;
int STROKEOPACITY=17;
int FILLOPACITY=18;
int STROKEDSHAPE=19;
int FILLEDSHAPE=20;
int FONTSIZE=21;
int LINEWIDTH=22;
int CUSTOM=23;
//int fontBB=24;
//int DELETED_IMAGE = 27;
int REUSED_IMAGE = 29;
int BLENDMODE = 31;
int SAVE_EMBEDDED_FONT = 10;
int TEXT_STRUCTURE_OPEN = 40;
int TEXT_STRUCTURE_CLOSE = 42;
int IsSVGMode = 44;
int IsTextSelectable = 45;
int IsRealText = 46;
int MARKER=200;
/**flag to enable debugging of painting*/
boolean debugPaint=false;
/**
* various types of DVR which we have
*/
int DISPLAY_SCREEN = 1;//
int DISPLAY_IMAGE = 2;//
int CREATE_PATTERN =3;
int CREATE_HTML =4;
int CREATE_SVG =5;
int CREATE_EPOS =7;
//int CREATE_SMASK =8;
int CREATE_T3 =9;
/**
* Keys for use with set value
*/
int ALT_BACKGROUND_COLOR=1;
int ALT_FOREGROUND_COLOR=2;
int FOREGROUND_INCLUDE_LINEART=3; //Alt foreground color changes lineart as well
int COLOR_REPLACEMENT_THRESHOLD=4;
int ENHANCE_FRACTIONAL_LINES=5; //Any line with width <1 is set to 1 to ensure visible (0 to turn off, 1 to turn on)
int TOKEN_NUMBER=6;
int CUSTOM_IMAGE_HANDLER=7;
int CUSTOM_COLOR_HANDLER=8;
int FLUSH=43;
int FLUSH_ADDITIONAL_OBJECTS_ON_PAGE=42;
int PAINT_BACKGROUND=41;
int PAGE_DECODING_FINISHED=19;
int RESET_COLORSPACE=18;
/**
* Used to pass in Graphics2D for all versions
* @param g2
*/
void setG2(Graphics2D g2);
void eliminateHiddenText(Shape currentShape, GraphicsState gs, int segmentCount, boolean ignoreScaling);
/**
* Renders all the objects onto the g2 surface for screen display
*
* @param highlights
* @param viewScaling
* @param userAnnot
*/
void paint(Rectangle[] highlights, AffineTransform viewScaling, Rectangle userAnnot);
/** Saves text object with attributes for rendering
*
* @param Trm
* @param text
* @param currentGraphicsState
* @param x
* @param y
* @param javaFont
*/
void drawText(float[][] Trm, String text, GraphicsState currentGraphicsState, float x, float y, Font javaFont);
/**
*
* Set page values
*
* @param width
* @param height
* @param backgroundColor
*/
void init(int width, int height, Color backgroundColor);
/**
* save image in array to draw
*
* @param pageNumber
* @param image
* @param currentGraphicsState
* @param alreadyCached
* @param name
* @param previousUse
* @return
*/
int drawImage(int pageNumber, BufferedImage image, GraphicsState currentGraphicsState, boolean alreadyCached, String name, int previousUse);
/**
* Used by Swing to Draw shape
* @param currentShape
* @param currentGraphicsState
* @param cmd
*/
void drawShape(PdfShape currentShape, GraphicsState currentGraphicsState, int cmd);
/**
* Used by FX to Draw shape
* @param currentShape
* @param currentGraphicsState
*/
void drawShape(Object currentShape, GraphicsState currentGraphicsState);
/**
* save opacity settings
*
* @param fillType
* @param value
* @param BM
*/
void setGraphicsState(int fillType, float value, int BM);
/**
* Method to add Shape, Text or image to main display on page over PDF - will be flushed on redraw
* @param type
* @param colors
* @param obj
* @throws PdfException
*/
void drawAdditionalObjectsOverPage(int[] type, Color[] colors, Object[] obj) throws PdfException;
/**
*
* @param value
*/
void drawTR(int value);
/**
*
* @param currentGraphicsState
* @param defaultClip
* @param alwaysApply
*/
void drawClip(GraphicsState currentGraphicsState, Shape defaultClip, boolean alwaysApply);
/**
* Store glyph info
* @param Trm
* @param fontSize
* @param embeddedGlyph
* @param javaGlyph
* @param type
* @param gs
* @param at
* @param glyf
* @param currentFontData
* @param glyfWidth
*/
void drawEmbeddedText(float[][] Trm, int fontSize,
PdfGlyph embeddedGlyph, Object javaGlyph, int type,
GraphicsState gs, double[] at, String glyf, PdfFont currentFontData, float glyfWidth);
/**
*
* @param cropX
* @param cropH
* @param scaling
*/
void setScalingValues(double cropX, double cropH, float scaling);
/**
* Turn object into byte[] so we can move across
* this way should be much faster than the stadard Java serialise.
*
* NOT PART OF API and subject to change (DO NOT USE)
*
* @param fontsAlreadyOnClient
* @return
* @throws java.io.IOException
*/
byte[] serializeToByteArray(Set fontsAlreadyOnClient) throws IOException;
/**
* Generic method to set any values as an object
*
* @param key key value defined in this interface or inheriting class
* @param obj value for key settings
*/
void writeCustom(int key, Object obj);
/**
* Generic method to set int values
*
* @param key key value defined in this interface or inheriting class
* @param i value for key settings
*/
void setValue(int key, int i);
/**
* Generic method to access int values
*
* @param key - int key value defined in this interface or inheriting class
* @return - an int value
*/
int getValue(int key);
/**
* Generic method to access boolean flags
*
* @param key - int key value defined in this interface or inheriting class
* @return true/false boolean
*/
boolean getBooleanValue(int key);
/**
* Passes in width value for font glyphs - only used in HTML5 and SVG conversion
* @param fontObjID
* @param glyphName
* @param potentialWidth
*/
void saveAdvanceWidth(int fontObjID, String glyphName, int potentialWidth);
/**
* Allows generic code to identify if it is doing HTML/SVG conversion
*
* @return boolean which will be true for HTML/SVG conversion and otherwise false
*/
boolean isHTMLorSVG();
}
