X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/822e03eeffe940efdcae10f44f46bd49e6f76131..1d1972fce1db0ae559433967255ce486b0d7494a:/wxPython/src/helpers.cpp diff --git a/wxPython/src/helpers.cpp b/wxPython/src/helpers.cpp index 2a568e3e38..d4c30cce5f 100644 --- a/wxPython/src/helpers.cpp +++ b/wxPython/src/helpers.cpp @@ -15,6 +15,8 @@ #include #include "wx/wxPython/wxPython_int.h" #include "wx/wxPython/pyistream.h" +#include "wx/wxPython/swigver.h" +#include "wx/wxPython/twoitem.h" #ifdef __WXMSW__ #include @@ -29,8 +31,8 @@ #include #include #define GetXWindow(wxwin) (wxwin)->m_wxwindow ? \ - GDK_WINDOW_XWINDOW(GTK_PIZZA((wxwin)->m_wxwindow)->bin_window) : \ - GDK_WINDOW_XWINDOW((wxwin)->m_widget->window) + GDK_WINDOW_XWINDOW(GTK_PIZZA((wxwin)->m_wxwindow)->bin_window) : \ + GDK_WINDOW_XWINDOW((wxwin)->m_widget->window) #include #endif @@ -97,6 +99,7 @@ PyObject* wxPyPtrTypeMap = NULL; // This gets run when the DLL is loaded. We just need to save a handle. //---------------------------------------------------------------------- +extern "C" BOOL WINAPI DllMain( HINSTANCE hinstDLL, // handle to DLL module DWORD fdwReason, // reason for calling function @@ -125,6 +128,8 @@ wxPyApp::wxPyApp() { wxPyApp::~wxPyApp() { + wxPythonApp = NULL; + wxApp::SetInstance(NULL); } @@ -173,22 +178,36 @@ int wxPyApp::OnExit() { } -#ifdef __WXDEBUG__ -void wxPyApp::OnAssert(const wxChar *file, - int line, - const wxChar *cond, - const wxChar *msg) { +void wxPyApp::ExitMainLoop() { + bool found; + wxPyBlock_t blocked = wxPyBeginBlockThreads(); + if ((found = wxPyCBH_findCallback(m_myInst, "ExitMainLoop"))) + wxPyCBH_callCallback(m_myInst, Py_BuildValue("()")); + wxPyEndBlockThreads(blocked); + if (! found) + wxApp::ExitMainLoop(); +} + + +#ifdef __WXDEBUG__ +void wxPyApp::OnAssertFailure(const wxChar *file, + int line, + const wxChar *func, + const wxChar *cond, + const wxChar *msg) +{ // if we're not fully initialized then just log the error if (! m_startupComplete) { wxString buf; buf.Alloc(4096); buf.Printf(wxT("%s(%d): assert \"%s\" failed"), file, line, cond); - if (msg != NULL) { - buf += wxT(": "); - buf += msg; - } + if ( func && *func ) + buf << wxT(" in ") << func << wxT("()"); + if (msg != NULL) + buf << wxT(": ") << msg; + wxLogDebug(buf); return; } @@ -222,11 +241,12 @@ void wxPyApp::OnAssert(const wxChar *file, if (m_assertMode & wxPYAPP_ASSERT_EXCEPTION) { wxString buf; buf.Alloc(4096); - buf.Printf(wxT("C++ assertion \"%s\" failed in %s(%d)"), cond, file, line); - if (msg != NULL) { - buf += wxT(": "); - buf += msg; - } + buf.Printf(wxT("C++ assertion \"%s\" failed at %s(%d)"), cond, file, line); + if ( func && *func ) + buf << wxT(" in ") << func << wxT("()"); + if (msg != NULL) + buf << wxT(": ") << msg; + // set the exception wxPyBlock_t blocked = wxPyBeginBlockThreads(); @@ -247,16 +267,16 @@ void wxPyApp::OnAssert(const wxChar *file, buf.Alloc(4096); buf.Printf(wxT("%s(%d): assert \"%s\" failed"), file, line, cond); - if (msg != NULL) { - buf += wxT(": "); - buf += msg; - } + if ( func && *func ) + buf << wxT(" in ") << func << wxT("()"); + if (msg != NULL) + buf << wxT(": ") << msg; wxLogDebug(buf); } // do the normal wx assert dialog? if (m_assertMode & wxPYAPP_ASSERT_DIALOG) - wxApp::OnAssert(file, line, cond, msg); + wxApp::OnAssertFailure(file, line, func, cond, msg); } } #endif @@ -400,14 +420,18 @@ void wxPyApp::_BootstrapApp() int argc = 0; char** argv = NULL; blocked = wxPyBeginBlockThreads(); + PyObject* sysargv = PySys_GetObject("argv"); - if (sysargv != NULL) { - argc = PyList_Size(sysargv); + PyObject* executable = PySys_GetObject("executable"); + + if (sysargv != NULL && executable != NULL) { + argc = PyList_Size(sysargv) + 1; argv = new char*[argc+1]; + argv[0] = strdup(PyString_AsString(executable)); int x; - for(x=0; xargc = 0; + this->argv = NULL; + } + // It's now ok to generate exceptions for assertion errors. wxPythonApp->SetStartupComplete(true); - // Call the Python wxApp's OnInit function + + // Call the Python wxApp's OnPreInit and OnInit functions blocked = wxPyBeginBlockThreads(); + if (wxPyCBH_findCallback(m_myInst, "OnPreInit")) { + PyObject* method = m_myInst.GetLastFound(); + PyObject* argTuple = PyTuple_New(0); + retval = PyEval_CallObject(method, argTuple); + m_myInst.clearRecursionGuard(method); + Py_DECREF(argTuple); + Py_DECREF(method); + if (retval == NULL) + goto error; + } if (wxPyCBH_findCallback(m_myInst, "OnInit")) { PyObject* method = m_myInst.GetLastFound(); PyObject* argTuple = PyTuple_New(0); retval = PyEval_CallObject(method, argTuple); + m_myInst.clearRecursionGuard(method); Py_DECREF(argTuple); Py_DECREF(method); if (retval == NULL) @@ -560,9 +599,6 @@ void __wxPyPreStart(PyObject* moduleDict) // Ensure that the build options in the DLL (or whatever) match this build wxApp::CheckBuildOptions(WX_BUILD_OPTIONS_SIGNATURE, "wxPython"); - // Init the stock objects to a non-NULL value so SWIG doesn't create them as None - wxPy_ReinitStockObjects(1); - wxInitAllImageHandlers(); } @@ -676,7 +712,8 @@ PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args) #else _AddInfoString("wx-assertions-off"); #endif - + _AddInfoString(wxPy_SWIG_VERSION); + #undef _AddInfoString PyObject* PlatInfoTuple = PyList_AsTuple(PlatInfo); @@ -687,178 +724,6 @@ PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args) } -//--------------------------------------------------------------------------- - -// Python's PyInstance_Check does not return True for instances of new-style -// classes. This should get close enough for both new and old classes but I -// should re-evaluate the need for doing instance checks... -bool wxPyInstance_Check(PyObject* obj) { - return PyObject_HasAttrString(obj, "__class__") != 0; -} - - -// This one checks if the object is an instance of a SWIG proxy class (it has -// a .this attribute) -bool wxPySwigInstance_Check(PyObject* obj) { - return PyObject_HasAttrString(obj, "this") != 0; -} - -//--------------------------------------------------------------------------- - -// The stock objects are no longer created when the wx._core_ module is -// imported, but only after the app object has been created. The -// wxPy_ReinitStockObjects function will be called 3 times to pass the stock -// objects though various stages of evolution: -// -// pass 1: Set all the pointers to a non-NULL value so the Python proxy -// object will be created (otherwise SWIG will just use None.) -// -// pass 2: After the module has been imported and the python proxys have -// been created, then set the __class__ to be _wxPyUnbornObject so -// it will catch any access to the object and will raise an exception. -// -// pass 3: Finally, from BootstrapApp patch things up so the stock objects -// can be used. - - -PyObject* __wxPyFixStockObjects(PyObject* /* self */, PyObject* args) -{ - wxPy_ReinitStockObjects(2); - RETURN_NONE(); -} - - -static void rsoPass2(const char* name) -{ - static PyObject* unbornObjectClass = NULL; - PyObject* obj; - - if (unbornObjectClass == NULL) { - unbornObjectClass = PyDict_GetItemString(wxPython_dict, "_wxPyUnbornObject"); - Py_INCREF(unbornObjectClass); - } - - // Find the object instance - obj = PyDict_GetItemString(wxPython_dict, (char*)dropwx(name)); - wxCHECK_RET(obj != NULL, wxT("Unable to find stock object")); - wxCHECK_RET(wxPySwigInstance_Check(obj), wxT("Not a swig instance")); - - // Change its class - PyObject_SetAttrString(obj, "__class__", unbornObjectClass); - -} - -static void rsoPass3(const char* name, const char* classname, void* ptr) -{ - PyObject* obj; - PyObject* classobj; - PyObject* ptrobj; - - // Find the object instance - obj = PyDict_GetItemString(wxPython_dict, (char*)dropwx(name)); - wxCHECK_RET(obj != NULL, wxT("Unable to find stock object")); - wxCHECK_RET(wxPySwigInstance_Check(obj), wxT("Not a swig instance")); - - // Find the class object and put it back in the instance - classobj = PyDict_GetItemString(wxPython_dict, (char*)dropwx(classname)); - wxCHECK_RET(classobj != NULL, wxT("Unable to find stock class object")); - PyObject_SetAttrString(obj, "__class__", classobj); - - // Rebuild the .this swigified pointer with the new value of the C++ pointer - ptrobj = wxPyMakeSwigPtr(ptr, wxString(classname, *wxConvCurrent)); - PyObject_SetAttrString(obj, "this", ptrobj); - Py_DECREF(ptrobj); -} - - - -void wxPy_ReinitStockObjects(int pass) -{ - - // If there is already an App object then wxPython is probably embedded in - // a wx C++ application, so there is no need to do all this. - static bool embedded = false; - if ((pass == 1 || pass == 2) && wxTheApp) { - embedded = true; - return; - } - if (pass == 3 && embedded) - return; - - -#define REINITOBJ(name, classname) \ - if (pass == 1) { name = (classname*)0xC0C0C0C0; } \ - else if (pass == 2) { rsoPass2(#name); } \ - else if (pass == 3) { rsoPass3(#name, #classname, (void*)name); } - - -#define REINITOBJ2(name, classname) \ - if (pass == 1) { } \ - else if (pass == 2) { rsoPass2(#name); } \ - else if (pass == 3) { rsoPass3(#name, #classname, (void*)&name); } - - - REINITOBJ(wxNORMAL_FONT, wxFont); - REINITOBJ(wxSMALL_FONT, wxFont); - REINITOBJ(wxITALIC_FONT, wxFont); - REINITOBJ(wxSWISS_FONT, wxFont); - - REINITOBJ(wxRED_PEN, wxPen); - REINITOBJ(wxCYAN_PEN, wxPen); - REINITOBJ(wxGREEN_PEN, wxPen); - REINITOBJ(wxBLACK_PEN, wxPen); - REINITOBJ(wxWHITE_PEN, wxPen); - REINITOBJ(wxTRANSPARENT_PEN, wxPen); - REINITOBJ(wxBLACK_DASHED_PEN, wxPen); - REINITOBJ(wxGREY_PEN, wxPen); - REINITOBJ(wxMEDIUM_GREY_PEN, wxPen); - REINITOBJ(wxLIGHT_GREY_PEN, wxPen); - - REINITOBJ(wxBLUE_BRUSH, wxBrush); - REINITOBJ(wxGREEN_BRUSH, wxBrush); - REINITOBJ(wxWHITE_BRUSH, wxBrush); - REINITOBJ(wxBLACK_BRUSH, wxBrush); - REINITOBJ(wxTRANSPARENT_BRUSH, wxBrush); - REINITOBJ(wxCYAN_BRUSH, wxBrush); - REINITOBJ(wxRED_BRUSH, wxBrush); - REINITOBJ(wxGREY_BRUSH, wxBrush); - REINITOBJ(wxMEDIUM_GREY_BRUSH, wxBrush); - REINITOBJ(wxLIGHT_GREY_BRUSH, wxBrush); - - REINITOBJ(wxBLACK, wxColour); - REINITOBJ(wxWHITE, wxColour); - REINITOBJ(wxRED, wxColour); - REINITOBJ(wxBLUE, wxColour); - REINITOBJ(wxGREEN, wxColour); - REINITOBJ(wxCYAN, wxColour); - REINITOBJ(wxLIGHT_GREY, wxColour); - - REINITOBJ(wxSTANDARD_CURSOR, wxCursor); - REINITOBJ(wxHOURGLASS_CURSOR, wxCursor); - REINITOBJ(wxCROSS_CURSOR, wxCursor); - - REINITOBJ2(wxNullBitmap, wxBitmap); - REINITOBJ2(wxNullIcon, wxIcon); - REINITOBJ2(wxNullCursor, wxCursor); - REINITOBJ2(wxNullPen, wxPen); - REINITOBJ2(wxNullBrush, wxBrush); - REINITOBJ2(wxNullPalette, wxPalette); - REINITOBJ2(wxNullFont, wxFont); - REINITOBJ2(wxNullColour, wxColour); - - REINITOBJ(wxTheFontList, wxFontList); - REINITOBJ(wxThePenList, wxPenList); - REINITOBJ(wxTheBrushList, wxBrushList); - REINITOBJ(wxTheColourDatabase, wxColourDatabase); - - - REINITOBJ2(wxDefaultValidator, wxValidator); - REINITOBJ2(wxNullImage, wxImage); - REINITOBJ2(wxNullAcceleratorTable, wxAcceleratorTable); - -#undef REINITOBJ -#undef REINITOBJ2 -} //--------------------------------------------------------------------------- @@ -987,6 +852,7 @@ void wxPyPtrTypeMap_Add(const char* commonName, const char* ptrName) { PyObject* wxPyMake_wxObject(wxObject* source, bool setThisOwn, bool checkEvtHandler) { PyObject* target = NULL; bool isEvtHandler = false; + bool isSizer = false; if (source) { // If it's derived from wxEvtHandler then there may @@ -1003,6 +869,18 @@ PyObject* wxPyMake_wxObject(wxObject* source, bool setThisOwn, bool checkEvtHan } } + // Also check for wxSizer + if (!target && wxIsKindOf(source, wxSizer)) { + isSizer = true; + wxSizer* sz = (wxSizer*)source; + wxPyOORClientData* data = (wxPyOORClientData*)sz->GetClientObject(); + if (data) { + target = data->m_obj; + if (target) + Py_INCREF(target); + } + } + if (! target) { // Otherwise make it the old fashioned way by making a new shadow // object and putting this pointer in it. Look up the class @@ -1020,6 +898,8 @@ PyObject* wxPyMake_wxObject(wxObject* source, bool setThisOwn, bool checkEvtHan target = wxPyConstructObject((void*)source, name, setThisOwn); if (target && isEvtHandler) ((wxEvtHandler*)source)->SetClientObject(new wxPyOORClientData(target)); + if (target && isSizer) + ((wxSizer*)source)->SetClientObject(new wxPyOORClientData(target)); } else { wxString msg(wxT("wxPython class not found for ")); msg += source->GetClassInfo()->GetClassName(); @@ -1035,25 +915,8 @@ PyObject* wxPyMake_wxObject(wxObject* source, bool setThisOwn, bool checkEvtHan PyObject* wxPyMake_wxSizer(wxSizer* source, bool setThisOwn) { - PyObject* target = NULL; - if (source && wxIsKindOf(source, wxSizer)) { - // If it's derived from wxSizer then there may already be a pointer to - // a Python object that we can use in the OOR data. - wxSizer* sz = (wxSizer*)source; - wxPyOORClientData* data = (wxPyOORClientData*)sz->GetClientObject(); - if (data) { - target = data->m_obj; - if (target) - Py_INCREF(target); - } - } - if (! target) { - target = wxPyMake_wxObject(source, setThisOwn, false); - if (target != Py_None) - ((wxSizer*)source)->SetClientObject(new wxPyOORClientData(target)); - } - return target; + return wxPyMake_wxObject(source, setThisOwn); } @@ -1155,6 +1018,9 @@ void wxPyEndAllowThreads(PyThreadState* saved) { wxPyBlock_t wxPyBeginBlockThreads() { #ifdef WXP_WITH_THREAD + if (! Py_IsInitialized()) { + return (wxPyBlock_t)0; + } #if wxPyUSE_GIL_STATE PyGILState_STATE state = PyGILState_Ensure(); return state; @@ -1173,13 +1039,16 @@ wxPyBlock_t wxPyBeginBlockThreads() { return blocked; #endif #else - return false; + return (wxPyBlock_t)0; #endif } void wxPyEndBlockThreads(wxPyBlock_t blocked) { #ifdef WXP_WITH_THREAD + if (! Py_IsInitialized()) { + return; + } #if wxPyUSE_GIL_STATE PyGILState_Release(blocked); #else @@ -1712,45 +1581,81 @@ PyObject* PyFindClassWithAttr(PyObject *klass, PyObject *name) static -PyObject* PyMethod_GetDefiningClass(PyObject* method, const char* name) +PyObject* PyMethod_GetDefiningClass(PyObject* method, PyObject* nameo) { PyObject* mgc = PyMethod_GET_CLASS(method); #if PYTHON_API_VERSION <= 1010 // prior to Python 2.2, the easy way return mgc; #else // 2.2 and after, the hard way... - - PyObject* nameo = PyString_FromString(name); - PyObject* klass = PyFindClassWithAttr(mgc, nameo); - Py_DECREF(nameo); - return klass; + return PyFindClassWithAttr(mgc, nameo); #endif } -bool wxPyCallbackHelper::findCallback(const char* name) const { +// To avoid recursion when an overridden virtual method wants to call the base +// class version, temporarily set an attribute in the instance with the same +// name as the method. Then the PyObject_GetAttr in the next findCallback +// will return this attribute and the PyMethod_Check will fail. + +void wxPyCallbackHelper::setRecursionGuard(PyObject* method) const +{ + PyFunctionObject* func = (PyFunctionObject*)PyMethod_Function(method); + PyObject_SetAttr(m_self, func->func_name, Py_None); +} + +void wxPyCallbackHelper::clearRecursionGuard(PyObject* method) const +{ + PyFunctionObject* func = (PyFunctionObject*)PyMethod_Function(method); + if (PyObject_HasAttr(m_self, func->func_name)) { + PyObject_DelAttr(m_self, func->func_name); + } +} + +// bool wxPyCallbackHelper::hasRecursionGuard(PyObject* method) const +// { +// PyFunctionObject* func = (PyFunctionObject*)PyMethod_Function(method); +// if (PyObject_HasAttr(m_self, func->func_name)) { +// PyObject* attr = PyObject_GetAttr(m_self, func->func_name); +// bool retval = (attr == Py_None); +// Py_DECREF(attr); +// return retval; +// } +// return false; +// } + + +bool wxPyCallbackHelper::findCallback(const char* name, bool setGuard) const { wxPyCallbackHelper* self = (wxPyCallbackHelper*)this; // cast away const + PyObject *method, *klass; + PyObject* nameo = PyString_FromString(name); self->m_lastFound = NULL; // If the object (m_self) has an attibute of the given name... - if (m_self && PyObject_HasAttrString(m_self, (char*)name)) { - PyObject *method, *klass; - method = PyObject_GetAttrString(m_self, (char*)name); + if (m_self && PyObject_HasAttr(m_self, nameo)) { + method = PyObject_GetAttr(m_self, nameo); // ...and if that attribute is a method, and if that method's class is - // not from a base class... + // not from the registered class or a base class... if (PyMethod_Check(method) && - (klass = PyMethod_GetDefiningClass(method, (char*)name)) != NULL && - ((klass == m_class) || PyObject_IsSubclass(klass, m_class))) { - - // ...then we'll save a pointer to the method so callCallback can call it. + (klass = PyMethod_GetDefiningClass(method, nameo)) != NULL && + (klass != m_class) && + PyObject_IsSubclass(klass, m_class)) { + + // ...then we'll save a pointer to the method so callCallback can + // call it. But first, set a recursion guard in case the + // overridden method wants to call the base class version. + if (setGuard) + setRecursionGuard(method); self->m_lastFound = method; } else { Py_DECREF(method); } } + + Py_DECREF(nameo); return m_lastFound != NULL; } @@ -1779,6 +1684,8 @@ PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) const { PyObject* method = m_lastFound; result = PyEval_CallObject(method, argTuple); + clearRecursionGuard(method); + Py_DECREF(argTuple); Py_DECREF(method); if (!result) { @@ -1792,8 +1699,8 @@ void wxPyCBH_setCallbackInfo(wxPyCallbackHelper& cbh, PyObject* self, PyObject* cbh.setSelf(self, klass, incref); } -bool wxPyCBH_findCallback(const wxPyCallbackHelper& cbh, const char* name) { - return cbh.findCallback(name); +bool wxPyCBH_findCallback(const wxPyCallbackHelper& cbh, const char* name, bool setGuard) { + return cbh.findCallback(name, setGuard); } int wxPyCBH_callCallback(const wxPyCallbackHelper& cbh, PyObject* argTuple) { @@ -1971,7 +1878,7 @@ wxString* wxString_in_helper(PyObject* source) { str = PyObject_Str(source); if (PyErr_Occurred()) return NULL; } - char* tmpPtr; int tmpSize; + char* tmpPtr; Py_ssize_t tmpSize; PyString_AsStringAndSize(str, &tmpPtr, &tmpSize); target = new wxString(tmpPtr, tmpSize); @@ -2014,7 +1921,7 @@ wxString Py2wxString(PyObject* source) str = PyObject_Str(source); if (PyErr_Occurred()) return wxEmptyString; // TODO: should we PyErr_Clear? } - char* tmpPtr; int tmpSize; + char* tmpPtr; Py_ssize_t tmpSize; PyString_AsStringAndSize(str, &tmpPtr, &tmpSize); target = wxString(tmpPtr, tmpSize); @@ -2707,6 +2614,145 @@ PyObject* wxArrayInt2PyList_helper(const wxArrayInt& arr) { } +//---------------------------------------------------------------------- +// wxPyImageHandler methods +// +// TODO: Switch these to use wxPython's standard macros and helper classes +// for calling callbacks. + +PyObject* wxPyImageHandler::m_DoCanRead_Name = NULL; +PyObject* wxPyImageHandler::m_GetImageCount_Name = NULL; +PyObject* wxPyImageHandler::m_LoadFile_Name = NULL; +PyObject* wxPyImageHandler::m_SaveFile_Name = NULL; + +PyObject* wxPyImageHandler::py_InputStream(wxInputStream* stream) { + return wxPyConstructObject(new wxPyInputStream(stream), + wxT("wxPyInputStream"), 0); +} + +PyObject* wxPyImageHandler::py_Image(wxImage* image) { + return wxPyConstructObject(image, wxT("wxImage"), 0); +} + +PyObject* wxPyImageHandler::py_OutputStream(wxOutputStream* stream) { + return wxPyConstructObject(stream, wxT("wxOutputStream"), 0); +} + +wxPyImageHandler::wxPyImageHandler(): + m_self(NULL) +{ + if (!m_DoCanRead_Name) { + m_DoCanRead_Name = PyString_FromString("DoCanRead"); + m_GetImageCount_Name = PyString_FromString("GetImageCount"); + m_LoadFile_Name = PyString_FromString("LoadFile"); + m_SaveFile_Name = PyString_FromString("SaveFile"); + } +} + +wxPyImageHandler::~wxPyImageHandler() { + if (m_self) { + Py_DECREF(m_self); + m_self = NULL; + } +} + +void wxPyImageHandler::_SetSelf(PyObject *self) { + // should check here for isinstance(PyImageHandler) ?? + m_self = self; + Py_INCREF(m_self); +} + +bool wxPyImageHandler::DoCanRead(wxInputStream& stream) { + // check if our object has this method + wxPyBlock_t blocked = wxPyBeginBlockThreads(); + if (!m_self || !PyObject_HasAttr(m_self, m_DoCanRead_Name)) { + wxPyEndBlockThreads(blocked); + return false; + } + + PyObject* res = PyObject_CallMethodObjArgs(m_self, m_DoCanRead_Name, + py_InputStream(&stream), NULL); + bool retval = false; + if (res) { + retval = PyInt_AsLong(res); + Py_DECREF(res); + PyErr_Clear(); + } + else + PyErr_Print(); + wxPyEndBlockThreads(blocked); + return retval; +} + +bool wxPyImageHandler::LoadFile( wxImage* image, wxInputStream& stream, + bool verbose, int index ) { + // check if our object has this method + wxPyBlock_t blocked = wxPyBeginBlockThreads(); + if (!m_self || !PyObject_HasAttr(m_self, m_LoadFile_Name)) { + wxPyEndBlockThreads(blocked); + return false; + } + PyObject* res = PyObject_CallMethodObjArgs(m_self, m_LoadFile_Name, + py_Image(image), + py_InputStream(&stream), + PyInt_FromLong(verbose), + PyInt_FromLong(index), + NULL); + bool retval = false; + if (res) { + retval = PyInt_AsLong(res); + Py_DECREF(res); + PyErr_Clear(); + } else + PyErr_Print(); + wxPyEndBlockThreads(blocked); + return retval; +} + +bool wxPyImageHandler::SaveFile( wxImage* image, wxOutputStream& stream, + bool verbose ) { + wxPyBlock_t blocked = wxPyBeginBlockThreads(); + if (!m_self || !PyObject_HasAttr(m_self, m_SaveFile_Name)) { + wxPyEndBlockThreads(blocked); + return false; + } + PyObject* res = PyObject_CallMethodObjArgs(m_self, m_SaveFile_Name, + py_Image(image), + py_OutputStream(&stream), + PyInt_FromLong(verbose), + NULL); + bool retval = false; + if(res) { + retval=PyInt_AsLong(res); + Py_DECREF(res); + PyErr_Clear(); + } else + PyErr_Print(); + wxPyEndBlockThreads(blocked); + return retval; +} + +int wxPyImageHandler::GetImageCount( wxInputStream& stream ) { + wxPyBlock_t blocked = wxPyBeginBlockThreads(); + if (!m_self || !PyObject_HasAttr(m_self, m_GetImageCount_Name)) { + wxPyEndBlockThreads(blocked); + return 1; + } + PyObject *res=PyObject_CallMethodObjArgs(m_self, m_GetImageCount_Name, + py_InputStream(&stream), + NULL); + int retval = 1; + if(res) { + retval=PyInt_AsLong(res); + Py_DECREF(res); + PyErr_Clear(); + } else + PyErr_Print(); + wxPyEndBlockThreads(blocked); + return retval; +} + + //---------------------------------------------------------------------- //----------------------------------------------------------------------