87 lines
2.9 KiB
C++
87 lines
2.9 KiB
C++
#include "osg/BlendEquation"
|
|
|
|
#include "osgDB/Registry"
|
|
#include "osgDB/Input"
|
|
#include "osgDB/Output"
|
|
|
|
#include <string.h>
|
|
|
|
using namespace osg;
|
|
using namespace osgDB;
|
|
|
|
// forward declare functions to use later.
|
|
bool BlendEquation_readLocalData(Object& obj, Input& fr);
|
|
bool BlendEquation_writeLocalData(const Object& obj, Output& fw);
|
|
|
|
bool BlendEquation_matchModeStr(const char* str,int& mode);
|
|
const char* BlendEquation_getModeStr(int value);
|
|
|
|
// register the read and write functions with the osgDB::Registry.
|
|
REGISTER_DOTOSGWRAPPER(BlendEquation)
|
|
(
|
|
new osg::BlendEquation,
|
|
"BlendEquation",
|
|
"Object StateAttribute BlendEquation",
|
|
&BlendEquation_readLocalData,
|
|
&BlendEquation_writeLocalData
|
|
);
|
|
|
|
bool BlendEquation_readLocalData(Object& obj, Input& fr)
|
|
{
|
|
bool iteratorAdvanced = false;
|
|
|
|
BlendEquation& transparency = static_cast<BlendEquation&>(obj);
|
|
|
|
int mode;
|
|
if (fr[0].matchWord("equation") && BlendEquation_matchModeStr(fr[1].getStr(),mode))
|
|
{
|
|
transparency.setEquation(osg::BlendEquation::Equation(mode));
|
|
fr+=2;
|
|
iteratorAdvanced = true;
|
|
}
|
|
|
|
return iteratorAdvanced;
|
|
}
|
|
|
|
bool BlendEquation_writeLocalData(const Object& obj, Output& fw)
|
|
{
|
|
const BlendEquation& transparency = static_cast<const BlendEquation&>(obj);
|
|
|
|
fw.indent() << "equation " << BlendEquation_getModeStr(transparency.getEquation()) << std::endl;
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
bool BlendEquation_matchModeStr(const char* str,int& mode)
|
|
{
|
|
if (strcmp(str,"RGBA_MIN")==0) mode = BlendEquation::RGBA_MIN;
|
|
else if (strcmp(str,"RGBA_MAX")==0) mode = BlendEquation::RGBA_MAX;
|
|
else if (strcmp(str,"ALPHA_MIN")==0) mode = BlendEquation::ALPHA_MIN;
|
|
else if (strcmp(str,"ALPHA_MAX")==0) mode = BlendEquation::ALPHA_MAX;
|
|
else if (strcmp(str,"LOGIC_OP")==0) mode = BlendEquation::LOGIC_OP;
|
|
else if (strcmp(str,"FUNC_ADD")==0) mode = BlendEquation::FUNC_ADD;
|
|
else if (strcmp(str,"FUNC_SUBTRACT")==0) mode = BlendEquation::FUNC_SUBTRACT;
|
|
else if (strcmp(str,"FUNC_REVERSE_SUBTRACT")==0) mode = BlendEquation::FUNC_REVERSE_SUBTRACT;
|
|
else return false;
|
|
return true;
|
|
|
|
}
|
|
const char* BlendEquation_getModeStr(int value)
|
|
{
|
|
switch(value)
|
|
{
|
|
case(BlendEquation::RGBA_MIN) : return "RGBA_MIN";
|
|
case(BlendEquation::RGBA_MAX) : return "RGBA_MAX";
|
|
case(BlendEquation::ALPHA_MIN) : return "ALPHA_MIN";
|
|
case(BlendEquation::ALPHA_MAX) : return "ALPHA_MAX";
|
|
case(BlendEquation::LOGIC_OP) : return "LOGIC_OP";
|
|
case(BlendEquation::FUNC_ADD) : return "FUNC_ADD";
|
|
case(BlendEquation::FUNC_SUBTRACT) : return "FUNC_SUBTRACT";
|
|
case(BlendEquation::FUNC_REVERSE_SUBTRACT) : return "FUNC_REVERSE_SUBTRACT";
|
|
}
|
|
|
|
return NULL;
|
|
}
|