100 lines
3.5 KiB
C++
100 lines
3.5 KiB
C++
#include "osg/Transparency"
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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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using namespace osg;
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using namespace osgDB;
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// forward declare functions to use later.
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bool Transparency_readLocalData(Object& obj, Input& fr);
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bool Transparency_writeLocalData(const Object& obj, Output& fw);
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bool Transparency_matchModeStr(const char* str,int& mode);
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const char* Transparency_getModeStr(int value);
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// register the read and write functions with the osgDB::Registry.
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RegisterDotOsgWrapperProxy g_TransparencyProxy
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(
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new osg::Transparency,
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"Transparency",
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"Object StateAttribute Transparency",
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&Transparency_readLocalData,
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&Transparency_writeLocalData
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);
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bool Transparency_readLocalData(Object& obj, Input& fr)
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{
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bool iteratorAdvanced = false;
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Transparency& transparency = static_cast<Transparency&>(obj);
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int mode;
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if (fr[0].matchWord("source") && Transparency_matchModeStr(fr[1].getStr(),mode))
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{
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transparency.setSource(mode);
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fr+=2;
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iteratorAdvanced = true;
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}
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if (fr[0].matchWord("destination") && Transparency_matchModeStr(fr[1].getStr(),mode))
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{
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transparency.setDestination(mode);
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fr+=2;
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iteratorAdvanced = true;
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}
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return iteratorAdvanced;
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}
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bool Transparency_writeLocalData(const Object& obj, Output& fw)
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{
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const Transparency& transparency = static_cast<const Transparency&>(obj);
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fw.indent() << "source " << Transparency_getModeStr(transparency.getSource()) << std::endl;
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fw.indent() << "destination " << Transparency_getModeStr(transparency.getDestination()) << std::endl;
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return true;
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}
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bool Transparency_matchModeStr(const char* str,int& mode)
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{
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if (strcmp(str,"DST_ALPHA")==0) mode = Transparency::DST_ALPHA;
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else if (strcmp(str,"DST_COLOR")==0) mode = Transparency::DST_COLOR;
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else if (strcmp(str,"ONE")==0) mode = Transparency::ONE;
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else if (strcmp(str,"ONE_MINUS_DST_ALPHA")==0) mode = Transparency::ONE_MINUS_DST_ALPHA;
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else if (strcmp(str,"ONE_MINUS_DST_COLOR")==0) mode = Transparency::ONE_MINUS_DST_COLOR;
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else if (strcmp(str,"ONE_MINUS_SRC_ALPHA")==0) mode = Transparency::ONE_MINUS_SRC_ALPHA;
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else if (strcmp(str,"ONE_MINUS_SRC_COLOR")==0) mode = Transparency::ONE_MINUS_SRC_COLOR;
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else if (strcmp(str,"SRC_ALPHA")==0) mode = Transparency::SRC_ALPHA;
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else if (strcmp(str,"SRC_ALPHA_SATURATE")==0) mode = Transparency::SRC_ALPHA_SATURATE;
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else if (strcmp(str,"SRC_COLOR")==0) mode = Transparency::SRC_COLOR;
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else return false;
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return true;
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}
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const char* Transparency_getModeStr(int value)
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{
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switch(value)
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{
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case(Transparency::DST_ALPHA) : return "DST_ALPHA";
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case(Transparency::DST_COLOR) : return "DST_COLOR";
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case(Transparency::ONE) : return "ONE";
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case(Transparency::ONE_MINUS_DST_ALPHA) : return "ONE_MINUS_DST_ALPHA";
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case(Transparency::ONE_MINUS_DST_COLOR) : return "ONE_MINUS_DST_COLOR";
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case(Transparency::ONE_MINUS_SRC_ALPHA) : return "ONE_MINUS_SRC_ALPHA";
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case(Transparency::ONE_MINUS_SRC_COLOR) : return "ONE_MINUS_SRC_COLOR";
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case(Transparency::SRC_ALPHA) : return "SRC_ALPHA";
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case(Transparency::SRC_ALPHA_SATURATE) : return "SRC_ALPHA_SATURATE";
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case(Transparency::SRC_COLOR) : return "SRC_COLOR";
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case(Transparency::ZERO) : return "ZERO";
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}
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return NULL;
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}
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