FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added a bunch of files synched with 0.8.42

Browse Source
This commit is contained in:
Don BURNS
2001-09-19 21:08:56 +00:00
parent fed86f3f03
commit e8f256a59d
446 changed files with 58397 additions and 10552 deletions
Download Patch File Download Diff File Expand all files Collapse all files

120
src/osg/Image.cpp
View File

@@ -1,19 +1,19 @@
#include "osg/Image"
#include "osg/Input"
#include "osg/Output"
#include "osg/GL"
#include "osg/Notify"
#include <osg/Geode>
#include <osg/GeoSet>
#include <osg/GeoState>
#include <osg/StateSet>
#include <osg/Texture>
#include <GL/glu.h>
using namespace osg;
Image::Image()
{
_fileName = NULL;
_fileName = "";
_s = _t = _r = 0;
_internalFormat = 0;
_pixelFormat = (unsigned int)0;
@@ -26,26 +26,22 @@ Image::Image()
Image::~Image()
{
if (_fileName) ::free(_fileName);
if (_data) ::free(_data);
}
void Image::setFileName(const char* fileName)
void Image::setFileName(const std::string& fileName)
{
if (_fileName) ::free(_fileName);
if (fileName) _fileName = strdup(fileName);
else _fileName = NULL;
_fileName = fileName;
}
void Image::setImage(int s,int t,int r,
int internalFormat,
unsigned int pixelFormat,
unsigned int dataType,
void Image::setImage(const int s,const int t,const int r,
const int internalFormat,
const unsigned int pixelFormat,
const unsigned int dataType,
unsigned char *data,
int packing)
const int packing)
{
if (_data) ::free(_data);
@@ -58,48 +54,23 @@ void Image::setImage(int s,int t,int r,
_dataType = dataType;
_data = data;
if (packing<0)
{
if (_s%4==0)
_packing = 4;
else
_packing = 1;
_packing = 1;
}
else
_packing = packing;
// scaleImageTo(16,16,_r);
// test scaling...
// scaleImageTo(16,16,_r);
}
bool Image::readLocalData(Input& fr)
{
bool iteratorAdvanced = false;
if (fr[0].matchWord("file") && fr[1].isString())
{
//loadFile(fr[1].getStr());
fr += 2;
iteratorAdvanced = true;
}
return iteratorAdvanced;
}
bool Image::writeLocalData(Output& fw)
{
if (_fileName)
{
fw.indent() << "file \""<<_fileName<<"\""<<endl;
}
return true;
}
void Image::scaleImage(int s,int t,int /*r*/)
void Image::scaleImage(const int s,const int t,const int /*r*/)
{
if (_data==NULL) return;
@@ -109,20 +80,21 @@ void Image::scaleImage(int s,int t,int /*r*/)
glPixelStorei(GL_UNPACK_ALIGNMENT,_packing);
GLint status = gluScaleImage((GLenum)_pixelFormat,
_s,
_t,
(GLenum)_dataType,
_data,
s,
t,
(GLenum)_dataType,
newData);
if (status==0) {
_s,
_t,
(GLenum)_dataType,
_data,
s,
t,
(GLenum)_dataType,
newData);
if (status==0)
{
// free old image.
::free(_data);
_s = s;
_t = t;
_data = newData;
@@ -135,29 +107,34 @@ void Image::scaleImage(int s,int t,int /*r*/)
}
}
void Image::ensureDimensionsArePowerOfTwo()
{
float sp2 = logf((float)_s)/logf(2.0f);
float rounded_sp2 = floorf(sp2+0.5f);
int new_s = (int)(powf(2.0f,rounded_sp2));
float tp2 = logf((float)_t)/logf(2.0f);
float rounded_tp2 = floorf(tp2+0.5f);
int new_t = (int)(powf(2.0f,rounded_tp2));
if (new_s!=_s && new_t!=_t)
{
notify(NOTICE) << "Scaling image '"<<_fileName<<"' from ("<<_s<<","<<_t<<") to ("<<new_s<<","<<new_t<<")"<<endl;
if (!_fileName.empty()) notify(NOTICE) << "Scaling image '"<<_fileName<<"' from ("<<_s<<","<<_t<<") to ("<<new_s<<","<<new_t<<")"<<endl;
else notify(NOTICE) << "Scaling image from ("<<_s<<","<<_t<<") to ("<<new_s<<","<<new_t<<")"<<endl;
scaleImage(new_s,new_t,_r);
}
}
Geode* osg::createGeodeForImage(osg::Image* image)
{
return createGeodeForImage(image,image->s(),image->t());
}
Geode* osg::createGeodeForImage(osg::Image* image,float s,float t)
Geode* osg::createGeodeForImage(osg::Image* image,const float s,const float t)
{
if (image)
{
@@ -167,20 +144,19 @@ Geode* osg::createGeodeForImage(osg::Image* image,float s,float t)
float y = 1.0;
float x = y*(s/t);
// set up the texture.
// set up the texture.
osg::Texture* texture = new osg::Texture;
texture->setImage(image);
// set up the geostate.
osg::GeoState* gstate = new osg::GeoState;
gstate->setMode(osg::GeoState::FACE_CULL,osg::GeoState::OFF);
gstate->setMode(osg::GeoState::LIGHTING,osg::GeoState::OFF);
gstate->setMode(osg::GeoState::TEXTURE,osg::GeoState::ON);
gstate->setAttribute(osg::GeoState::TEXTURE,texture);
// set up the drawstate.
osg::StateSet* dstate = new osg::StateSet;
dstate->setMode(GL_CULL_FACE,osg::StateAttribute::OFF);
dstate->setMode(GL_LIGHTING,osg::StateAttribute::OFF);
dstate->setAttributeAndModes(texture,osg::StateAttribute::ON);
// set up the geoset.
osg::GeoSet* gset = new osg::GeoSet;
gset->setGeoState(gstate);
gset->setStateSet(dstate);
osg::Vec3* coords = new Vec3 [4];
coords[0].set(-x,0.0f,y);
@@ -198,7 +174,7 @@ Geode* osg::createGeodeForImage(osg::Image* image,float s,float t)
gset->setTextureBinding(osg::GeoSet::BIND_PERVERTEX);
osg::Vec4* colours = new Vec4;
colours->set(1.0f,1.0f,1.0,0.0f);
colours->set(1.0f,1.0f,1.0,1.0f);
gset->setColors(colours);
gset->setColorBinding(osg::GeoSet::BIND_OVERALL);
@@ -207,7 +183,7 @@ Geode* osg::createGeodeForImage(osg::Image* image,float s,float t)
// set up the geode.
osg::Geode* geode = new osg::Geode;
geode->addGeoSet(gset);
geode->addDrawable(gset);
return geode;