From David Callu, IO support for Text3D

This commit is contained in:
Robert Osfield 2007-12-10 19:51:33 +00:00
parent eef88e7e83
commit d0cc647986

View File

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