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搭建PVB架构，实现前端的基础布局、菜单、表格、图示等功能
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lixiaoyuan
143
libs/pvb/include/rllib/rlsvganimator.h
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143
libs/pvb/include/rllib/rlsvganimator.h
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/***************************************************************************
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rlsvganimator.h - description
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-------------------
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begin : Tue Apr 10 2006
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copyright : (C) 2006 by R. Lehrig
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email : lehrig@t-online.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This library is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE as *
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* published by the Free Software Foundation *
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* *
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***************************************************************************/
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#ifndef _RL_SVG_ANIMATOR_
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#define _RL_SVG_ANIMATOR_
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#include "rldefine.h"
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#include "rlinifile.h"
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#include "rlspreadsheet.h"
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#include "rlstring.h"
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/*! <pre>
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This class holds the position of an SVG object.
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Use it together with rlSvgAnimator::setMatrix()
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</pre> */
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class rlSvgPosition
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{
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public:
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rlSvgPosition();
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rlSvgPosition(float sx_init, float a_init, float x0_init, float y0_init, float cx_init, float cy_init);
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virtual ~rlSvgPosition();
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float sx, alpha, x0, y0, cx, cy;
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struct rlPositionInit {float sx, alpha, x0, y0, w, h;} init;
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void setInit(float x0_init, float y0_init, float w_init, float h_init);
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void move(float x, float y);
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void moveRelative(float dx, float dy);
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void scale(float s);
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void scaleRelative(float ds);
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void rotate(float alpha, float cx, float cy);
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};
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/*! <pre>
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This class allows you to animate SVG graphics within pvbrowser.
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First the SVG is send to pvbrowser.
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Then you may modify the SVG within the pvbrowser client.
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</pre> */
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class rlSvgAnimator
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{
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public:
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rlSvgAnimator();
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virtual ~rlSvgAnimator();
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/*! initialize the socket with pvbrowser p->s */
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int setSocket(int *socket);
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/*! initialize the id with the pvbrowser object id */
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int setId(int Id);
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/*! read SVG file infile and load it into the pvbrowser client.
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if inifile is given inifile will be set with properties within the SVG XML file.
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The id's of the SVG objects will result in section names of the inifile. */
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int read(const char *infile, rlIniFile *inifile=NULL);
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/*! update the SVG graphic with:
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gBeginDraw(p,id); d->svgAnimator.writeSocket(); gEndDraw(p); */
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//! The following methods are for modifying a object within a SVG graphic identified by objectname
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int writeSocket();
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/*! change a property of tag = "name=" */
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int svgPrintf(const char *objectname, const char *tag, const char *format, ...);
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/*! recursively change a property of tag = "name=" */
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int svgRecursivePrintf(const char *objectname, const char *tag, const char *format, ...);
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/*! search for "before" within "tag=" property and replace it with "after". You may use wildcards whin "before" */
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int svgSearchAndReplace(const char *objectname, const char *tag, const char *before, const char *after);
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/*! recursively search for "before" within "tag=" property and replace it with "after". You may use wildcards within "before" */
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int svgRecursiveSearchAndReplace(const char *objectname, const char *tag, const char *before, const char *after);
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/*! change the text of "objectname" */
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int svgTextPrintf(const char *objectname, const char *format, ...);
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/*! remove a style option of "objectname". option must end with ':'. Example: option="stroke:" */
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int svgRemoveStyleOption(const char *objectname, const char *option);
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/*! recursively remove a style option of "objectname". option must end with ':'. Example: option="stroke:" */
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int svgRecursiveRemoveStyleOption(const char *objectname, const char *option);
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/*! change a style option of "objectname". option must end with ':'. Example: option="stroke:" value="#000000" */
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int svgChangeStyleOption(const char *objectname, const char *option, const char *value);
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/*! recursively change a style option of "objectname". option must end with ':'. Example: option="stroke:" value="#000000" */
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int svgRecursiveChangeStyleOption(const char *objectname, const char *option, const char *value);
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/*! set a style option of "objectname". option must end with ':'. Example: value="fill:#9d9d9d;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:3.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1" */
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int svgSetStyleOption(const char *objectname, const char *value);
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/*! recursively set a style option of "objectname". option must end with ':'. Example: value="fill:#9d9d9d;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:3.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1" */
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int svgRecursiveSetStyleOption(const char *objectname, const char *value);
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/*! hide/show object state := 0=hide 1=show */
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int show(const char *objectname, int state); // state := 0|1
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/*! set transformation matrix of object */
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int setMatrix(const char *objectname, float sx, float alpha, float x0, float y0, float cx, float cy);
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/*! set transformation matrix of object */
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//! The following methods are for moveing and zooming the whole SVG identified by mainObject. default: main
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int setMatrix(const char *objectname, rlSvgPosition &pos);
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/*! set/get the name of the MainObject . The object name holding the whole SVG graphic. default: main */
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int setMainObject(const char *main_object);
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const char *mainObject();
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/*! set/get x0,y0 coordinates for the MainObject */
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int setXY0(float x0, float y0);
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float x0();
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float y0();
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/*! set/get mouse position 0 for the MainObject */
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int setMouseXY0(float x0, float y0);
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float mouseX0();
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float mouseY0();
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/*! set/get mouse position 1 for the MainObject */
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int setMouseXY1(float x1, float y1);
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float mouseX1();
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float mouseY1();
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/*! set/get the scaling factor for the MainObject */
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int setScale(float scale);
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float scale();
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/*! zooms the whole SVG graphic keeping it centered to the viewport */
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int zoomCenter(float newScale);
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/*! zooms the whole SVG graphic so that the visible section is from x0,x0 to x1,y1 */
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int zoomRect();
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/*! sets the MainObject matrix according to scale,x0,y0 */
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int setMainObjectMatrix();
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/*! call this method when the widget is resized */
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int setWindowSize(int width, int height);
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float windowWidth();
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float windowHeight();
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/*! move MainObject to position */
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int moveMainObject(float x, float y);
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int isModified;
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private:
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int tcpsend(const char *buf, int len);
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int fillIniFile(rlIniFile *inifile, const char *line);
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int fileFillIniFile(const char *infile, rlIniFile *inifile);
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int inifileState, inifileCount;
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rlSpreadsheetCell inifileID;
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rlSpreadsheetTable inifileTable;
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int *s;
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int id;
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// zoomer variables follow
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float svgX0, svgY0, svgWindowWidth, svgWindowHeight, svgScale, svgMouseX0, svgMouseY0, svgMouseX1, svgMouseY1;
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rlString main_object_name;
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};
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#endif
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