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/********************************************************************************
* *
* O p e n G L O b j e c t *
* *
*********************************************************************************
* Copyright (C) 1998,2022 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* 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 3 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 program. If not, see <http://www.gnu.org/licenses/> *
********************************************************************************/
#include "xincs.h"
#include "fxver.h"
#include "fxdefs.h"
#include "fxmath.h"
#include "FXArray.h"
#include "FXHash.h"
#include "FXMutex.h"
#include "FXStream.h"
#include "FXVec2f.h"
#include "FXVec3f.h"
#include "FXVec4f.h"
#include "FXQuatf.h"
#include "FXMat4f.h"
#include "FXRangef.h"
#include "FXString.h"
#include "FXSize.h"
#include "FXPoint.h"
#include "FXRectangle.h"
#include "FXStringDictionary.h"
#include "FXSettings.h"
#include "FXRegistry.h"
#include "FXAccelTable.h"
#include "FXObjectList.h"
#include "FXFont.h"
#include "FXEvent.h"
#include "FXWindow.h"
#include "FXApp.h"
#include "FXGLViewer.h"
#include "FXGLObject.h"
/*
Notes:
- Leaf objects don't push any names!
- Group objects should do focus traversal.
*/
using namespace FX;
/*******************************************************************************/
namespace FX {
// Object implementation
FXIMPLEMENT(FXGLObject,FXObject,nullptr,0)
// Get bounding box
void FXGLObject::bounds(FXRangef& box){
box.upper.x=box.lower.x=0.0f;
box.upper.y=box.lower.y=0.0f;
box.upper.z=box.lower.z=0.0f;
}
// Draw the GL scene
void FXGLObject::draw(FXGLViewer*){ }
// Hit objects
void FXGLObject::hit(FXGLViewer* viewer){ draw(viewer); }
// Copy
FXGLObject* FXGLObject::copy(){ return new FXGLObject(*this); }
// Identify object by its path
FXGLObject* FXGLObject::identify(FXuint*){ return this; }
// Return true if it can be dragged
FXbool FXGLObject::canDrag() const { return false; }
// Return true if OK to delete object
FXbool FXGLObject::canDelete() const { return false; }
// Drag the object
FXbool FXGLObject::drag(FXGLViewer*,FXint,FXint,FXint,FXint){ return false; }
/*******************************************************************************/
// Object implementation
FXIMPLEMENT(FXGLGroup,FXGLObject,nullptr,0)
// Get bounding box
void FXGLGroup::bounds(FXRangef& box){
FXRangef b;
box.lower.x=box.lower.y=box.lower.z=0.0f;
box.upper.x=box.upper.y=box.upper.z=0.0f;
if(0<list.no()){
box.lower.x=box.lower.y=box.lower.z= FLT_MAX;
box.upper.x=box.upper.y=box.upper.z=-FLT_MAX;
for(FXival i=0; i<list.no(); i++){
list[i]->bounds(b);
box.include(b);
}
}
}
// Draw
void FXGLGroup::draw(FXGLViewer* viewer){
for(FXival i=0; i<list.no(); i++) list[i]->draw(viewer);
}
// Draw for hit
void FXGLGroup::hit(FXGLViewer* viewer){
#ifdef HAVE_GL_H
glPushName(0xffffffff);
for(FXival i=0; i<list.no(); i++){
glLoadName((FXuint)i);
list[i]->hit(viewer);
}
glPopName();
#endif
}
// Copy
FXGLObject* FXGLGroup::copy(){
return new FXGLGroup(*this);
}
// Identify object by its path
FXGLObject* FXGLGroup::identify(FXuint* path){
FXASSERT(path);
FXASSERT((FXint)path[0]<list.no());
return list[path[0]]->identify(path+1);
}
// Return true if it can be dragged
FXbool FXGLGroup::canDrag() const { return true; }
// Drag group object
FXbool FXGLGroup::drag(FXGLViewer* viewer,FXint fx,FXint fy,FXint tx,FXint ty){
for(FXival i=0; i<list.no(); i++){
list[i]->drag(viewer,fx,fy,tx,ty);
}
return true;
}
// Save object to stream
void FXGLGroup::save(FXStream& store) const {
FXGLObject::save(store);
list.save(store);
}
// Load object from stream
void FXGLGroup::load(FXStream& store){
FXGLObject::load(store);
list.load(store);
}
// Delete members of the group
FXGLGroup::~FXGLGroup(){
for(FXival i=0; i<list.no(); i++) delete list[i];
}
}
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