From David Callu, IO support for Text3D
This commit is contained in:
Robert Osfield
parent
eef88e7e83
commit
d0cc647986
383
src/osgPlugins/osgText/IO_TextBase.cpp
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383
src/osgPlugins/osgText/IO_TextBase.cpp
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#include <osgText/Text>
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#include <osgText/Font>
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#include <iostream>
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#include <string>
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#include <osg/Vec3>
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#include <osg/Vec4>
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#include <osg/io_utils>
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#include <osgDB/Registry>
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#include <osgDB/Input>
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#include <osgDB/Output>
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#include <osgDB/ParameterOutput>
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bool TextBase_readLocalData(osg::Object &obj, osgDB::Input &fr);
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bool TextBase_writeLocalData(const osg::Object &obj, osgDB::Output &fw);
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osgDB::RegisterDotOsgWrapperProxy TextBase_Proxy
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(
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/*new osgText::Text*/NULL,
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"TextBase",
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"Object Drawable TextBase",
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TextBase_readLocalData,
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TextBase_writeLocalData
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);
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bool TextBase_readLocalData(osg::Object &obj, osgDB::Input &fr)
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{
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osgText::Text &text = static_cast<osgText::Text &>(obj);
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bool itAdvanced = false;
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if (fr[0].matchWord("fontResolution") || fr[0].matchWord("fontSize"))
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{
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unsigned int width;
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unsigned int height;
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if (fr[1].getUInt(width) && fr[2].getUInt(height))
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{
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text.setFontResolution(width,height);
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fr += 3;
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itAdvanced = true;
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}
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}
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if (fr[0].matchWord("characterSize"))
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{
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float height;
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float aspectRatio;
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if (fr[1].getFloat(height) && fr[2].getFloat(aspectRatio))
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{
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text.setCharacterSize(height,aspectRatio);
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fr += 3;
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itAdvanced = true;
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}
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}
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if (fr.matchSequence("characterSizeMode %w"))
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{
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std::string str = fr[1].getStr();
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if (str=="OBJECT_COORDS") text.setCharacterSizeMode(osgText::Text::OBJECT_COORDS);
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else if (str=="SCREEN_COORDS") text.setCharacterSizeMode(osgText::Text::SCREEN_COORDS);
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else if (str=="OBJECT_COORDS_WITH_MAXIMUM_SCREEN_SIZE_CAPPED_BY_FONT_HEIGHT") text.setCharacterSizeMode(osgText::Text::OBJECT_COORDS_WITH_MAXIMUM_SCREEN_SIZE_CAPPED_BY_FONT_HEIGHT);
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}
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// maximum dimentsions of text box.
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if (fr[0].matchWord("maximumWidth"))
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{
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float width;
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if (fr[1].getFloat(width))
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{
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text.setMaximumWidth(width);
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fr += 2;
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itAdvanced = true;
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}
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}
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if (fr[0].matchWord("maximumHeight"))
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{
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float height;
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if (fr[1].getFloat(height))
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{
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text.setMaximumHeight(height);
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fr += 2;
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itAdvanced = true;
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}
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}
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if (fr[0].matchWord("lineSpacing"))
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{
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float height;
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if (fr[1].getFloat(height))
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{
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text.setLineSpacing(height);
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fr += 2;
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itAdvanced = true;
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}
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}
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if (fr.matchSequence("alignment %w"))
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{
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std::string str = fr[1].getStr();
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if (str=="LEFT_TOP") text.setAlignment(osgText::Text::LEFT_TOP);
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else if (str=="LEFT_CENTER") text.setAlignment(osgText::Text::LEFT_CENTER);
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else if (str=="LEFT_BOTTOM") text.setAlignment(osgText::Text::LEFT_BOTTOM);
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else if (str=="CENTER_TOP") text.setAlignment(osgText::Text::CENTER_TOP);
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else if (str=="CENTER_CENTER") text.setAlignment(osgText::Text::CENTER_CENTER);
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else if (str=="CENTER_BOTTOM") text.setAlignment(osgText::Text::CENTER_BOTTOM);
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else if (str=="RIGHT_TOP") text.setAlignment(osgText::Text::RIGHT_TOP);
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else if (str=="RIGHT_CENTER") text.setAlignment(osgText::Text::RIGHT_CENTER);
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else if (str=="RIGHT_BOTTOM") text.setAlignment(osgText::Text::RIGHT_BOTTOM);
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else if (str=="LEFT_BASE_LINE") text.setAlignment(osgText::Text::LEFT_BASE_LINE);
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else if (str=="CENTER_BASE_LINE") text.setAlignment(osgText::Text::CENTER_BASE_LINE);
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else if (str=="RIGHT_BASE_LINE") text.setAlignment(osgText::Text::RIGHT_BASE_LINE);
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else if (str=="LEFT_BOTTOM_BASE_LINE") text.setAlignment(osgText::Text::LEFT_BOTTOM_BASE_LINE);
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else if (str=="CENTER_BOTTOM_BASE_LINE") text.setAlignment(osgText::Text::CENTER_BOTTOM_BASE_LINE);
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else if (str=="RIGHT_BOTTOM_BASE_LINE") text.setAlignment(osgText::Text::RIGHT_BOTTOM_BASE_LINE);
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else if (str=="BASE_LINE") text.setAlignment(osgText::Text::BASE_LINE);
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fr += 2;
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itAdvanced = true;
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}
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if (fr.matchSequence("axisAlignment %w"))
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{
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std::string str = fr[1].getStr();
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if (str=="XY_PLANE") text.setAxisAlignment(osgText::Text::XY_PLANE);
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else if (str=="REVERSED_XY_PLANE") text.setAxisAlignment(osgText::Text::REVERSED_XY_PLANE);
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else if (str=="XZ_PLANE") text.setAxisAlignment(osgText::Text::XZ_PLANE);
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else if (str=="REVERSED_XZ_PLANE") text.setAxisAlignment(osgText::Text::REVERSED_XZ_PLANE);
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else if (str=="YZ_PLANE") text.setAxisAlignment(osgText::Text::YZ_PLANE);
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else if (str=="REVERSED_YZ_PLANE") text.setAxisAlignment(osgText::Text::REVERSED_YZ_PLANE);
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else if (str=="SCREEN") text.setAxisAlignment(osgText::Text::SCREEN);
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fr += 2;
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itAdvanced = true;
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}
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if (fr.matchSequence("rotation"))
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{
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osg::Vec4 rotation;
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if (fr[1].getFloat(rotation.x()) && fr[2].getFloat(rotation.y()) && fr[3].getFloat(rotation.z()) && fr[4].getFloat(rotation.w()))
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{
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text.setRotation(rotation);
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fr += 4;
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itAdvanced = true;
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}
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}
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if (fr.matchSequence("autoRotateToScreen TRUE"))
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{
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text.setAutoRotateToScreen(true);
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fr += 2;
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itAdvanced = true;
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}
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if (fr.matchSequence("autoScaleToLimitScreenSizeToFontResolution TRUE"))
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{
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text.setCharacterSizeMode(osgText::Text::SCREEN_COORDS);
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fr += 2;
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itAdvanced = true;
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}
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if (fr.matchSequence("layout %w") && fr[1].getStr())
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{
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std::string str = fr[1].getStr();
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if (str=="LEFT_TO_RIGHT") text.setLayout(osgText::Text::LEFT_TO_RIGHT);
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else if (str=="RIGHT_TO_LEFT") text.setLayout(osgText::Text::RIGHT_TO_LEFT);
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else if (str=="VERTICAL") text.setLayout(osgText::Text::VERTICAL);
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fr += 2;
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itAdvanced = true;
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}
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// position
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if (fr[0].matchWord("position"))
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{
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osg::Vec3 p;
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if (fr[1].getFloat(p.x()) && fr[2].getFloat(p.y()) && fr[3].getFloat(p.z()))
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{
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text.setPosition(p);
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fr += 4;
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itAdvanced = true;
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}
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}
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// draw mode
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if (fr[0].matchWord("drawMode"))
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{
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int i;
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if (fr[1].getInt(i)) {
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text.setDrawMode(i);
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fr += 2;
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itAdvanced = true;
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}
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}
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// text
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if (fr.matchSequence("text %s") && fr[1].getStr()) {
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text.setText(std::string(fr[1].getStr()));
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fr += 2;
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itAdvanced = true;
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}
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if (fr.matchSequence("text %i {"))
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{
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// pre 0.9.3 releases..
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int entry = fr[0].getNoNestedBrackets();
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int capacity;
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fr[1].getInt(capacity);
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osgText::String str;
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str.reserve(capacity);
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fr += 3;
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while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
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{
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unsigned int c;
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if (fr[0].getUInt(c))
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{
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++fr;
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str.push_back(c);
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}
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else
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{
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++fr;
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}
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}
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text.setText(str);
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itAdvanced = true;
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++fr;
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}
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return itAdvanced;
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}
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//osgText::Text::CharactereSizeMode convertCharactereSizeModeStringtoEnum(std::string & str)
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//{
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// if (str=="OBJECT_COORDS") return osgText::Text::OBJECT_COORDS;
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// else if (str=="SCREEN_COORDS") return osgText::Text::SCREEN_COORDS;
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// else if (str=="OBJECT_COORDS_WITH_MAXIMUM_SCREEN_SIZE_CAPPED_BY_FONT_HEIGHT") return osgText::Text::OBJECT_COORDS_WITH_MAXIMUM_SCREEN_SIZE_CAPPED_BY_FONT_HEIGHT;
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// else return -1;
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//}
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//
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//std::string convertCharactereSizeModeStringtoEnum(osgText::Text::CharactereSizeMode charactereSizeMode)
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//{
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// switch(charactereSizeMode)
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// {
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// case osgText::Text::OBJECT_COORDS : return "OBJECT_COORDS";
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// case osgText::Text::SCREEN_COORDS : return "SCREEN_COORDS";
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// case osgText::Text::OBJECT_COORDS_WITH_MAXIMUM_SCREEN_SIZE_CAPPED_BY_FONT_HEIGHT: return "OBJECT_COORDS_WITH_MAXIMUM_SCREEN_SIZE_CAPPED_BY_FONT_HEIGHT";
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// default : return "";
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// }
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//}
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bool TextBase_writeLocalData(const osg::Object &obj, osgDB::Output &fw)
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{
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const osgText::Text &text = static_cast<const osgText::Text &>(obj);
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// font resolution
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fw.indent() << "fontResolution " << text.getFontWidth() << " " << text.getFontHeight() << std::endl;
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// charater size.
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fw.indent() << "characterSize " << text.getCharacterHeight() << " " << text.getCharacterAspectRatio() << std::endl;
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fw.indent() << "characterSizeMode ";
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switch(text.getCharacterSizeMode())
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{
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case osgText::Text::OBJECT_COORDS : fw<<"OBJECT_COORDS"<<std::endl; break;
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case osgText::Text::SCREEN_COORDS : fw<<"SCREEN_COORDS"<<std::endl; break;
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case osgText::Text::OBJECT_COORDS_WITH_MAXIMUM_SCREEN_SIZE_CAPPED_BY_FONT_HEIGHT: fw<<"OBJECT_COORDS_WITH_MAXIMUM_SCREEN_SIZE_CAPPED_BY_FONT_HEIGHT"<<std::endl; break;
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}
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// maximum dimension of text box.
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if (text.getMaximumWidth()>0.0f)
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{
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fw.indent() << "maximumWidth " << text.getMaximumWidth() << std::endl;
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}
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if (text.getMaximumHeight()>0.0f)
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{
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fw.indent() << "maximumHeight " << text.getMaximumHeight() << std::endl;
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}
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if (text.getLineSpacing()>0.0f)
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{
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fw.indent() << "lineSpacing " << text.getLineSpacing() << std::endl;
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}
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// alignment
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fw.indent() << "alignment ";
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switch(text.getAlignment())
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{
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case osgText::Text::LEFT_TOP: fw << "LEFT_TOP" << std::endl; break;
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case osgText::Text::LEFT_CENTER : fw << "LEFT_CENTER" << std::endl; break;
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case osgText::Text::LEFT_BOTTOM : fw << "LEFT_BOTTOM" << std::endl; break;
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case osgText::Text::CENTER_TOP: fw << "CENTER_TOP" << std::endl; break;
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case osgText::Text::CENTER_CENTER: fw << "CENTER_CENTER" << std::endl; break;
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case osgText::Text::CENTER_BOTTOM: fw << "CENTER_BOTTOM" << std::endl; break;
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case osgText::Text::RIGHT_TOP: fw << "RIGHT_TOP" << std::endl; break;
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case osgText::Text::RIGHT_CENTER: fw << "RIGHT_CENTER" << std::endl; break;
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case osgText::Text::RIGHT_BOTTOM: fw << "RIGHT_BOTTOM" << std::endl; break;
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case osgText::Text::LEFT_BASE_LINE: fw << "LEFT_BASE_LINE" << std::endl; break;
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case osgText::Text::CENTER_BASE_LINE:fw << "CENTER_BASE_LINE" << std::endl; break;
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case osgText::Text::RIGHT_BASE_LINE: fw << "RIGHT_BASE_LINE" << std::endl; break;
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case osgText::Text::LEFT_BOTTOM_BASE_LINE: fw << "LEFT_BOTTOM_BASE_LINE" << std::endl; break;
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case osgText::Text::CENTER_BOTTOM_BASE_LINE:fw << "CENTER_BOTTOM_BASE_LINE" << std::endl; break;
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case osgText::Text::RIGHT_BOTTOM_BASE_LINE: fw << "RIGHT_BOTTOM_BASE_LINE" << std::endl; break;
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};
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if (!text.getRotation().zeroRotation())
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{
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fw.indent() << "rotation " << text.getRotation() << std::endl;
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}
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if (text.getAutoRotateToScreen())
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{
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fw.indent() << "autoRotateToScreen TRUE"<< std::endl;
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}
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// layout
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fw.indent() << "layout ";
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switch(text.getLayout())
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{
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case osgText::Text::LEFT_TO_RIGHT: fw << "LEFT_TO_RIGHT" << std::endl; break;
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case osgText::Text::RIGHT_TO_LEFT: fw << "RIGHT_TO_LEFT" << std::endl; break;
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case osgText::Text::VERTICAL: fw << "VERTICAL" << std::endl; break;
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};
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// position
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osg::Vec3 p = text.getPosition();
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fw.indent() << "position " << p.x() << " " << p.y() << " " << p.z() << std::endl;
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// color
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// osg::Vec4 c = text.getColor();
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// fw.indent() << "color " << c.x() << " " << c.y() << " " << c.z() << " " << c.w() << std::endl;
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// draw mode
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fw.indent() << "drawMode " << text.getDrawMode() << std::endl;
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// text
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const osgText::String& textstring = text.getText();
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bool isACString = true;
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osgText::String::const_iterator itr;
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for(itr=textstring.begin();
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itr!=textstring.end() && isACString;
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++itr)
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{
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if (*itr==0 || *itr>256) isACString=false;
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}
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if (isACString)
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{
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std::string str;
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for(itr=textstring.begin();
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itr!=textstring.end();
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++itr)
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{
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str += (char)(*itr);
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}
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//std::copy(textstring.begin(),textstring.end(),std::back_inserter(str));
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fw.indent() << "text " << fw.wrapString(str) << std::endl;
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}
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else
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{
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// do it the hardway...output each character as an int
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fw.indent() << "text "<<textstring.size()<<std::endl;;
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osgDB::writeArray(fw,textstring.begin(),textstring.end());
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}
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return true;
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}
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