# This script generates a Python interface for an Apple Macintosh Manager. # It uses the "bgen" package to generate C code. # The function specifications are generated by scanning the mamager's header file, # using the "scantools" package (customized for this particular manager). #error missing SetActionFilter import string # Declarations that change for each manager MODNAME = '_CG' # The name of the module # The following is *usually* unchanged but may still require tuning MODPREFIX = 'CG' # The prefix for module-wide routines INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner OUTPUTFILE = MODNAME + "module.c" # The file generated by this program from macsupport import * CGrafPtr = OpaqueByValueType("CGrafPtr", "GrafObj") RgnHandle = OpaqueByValueType("RgnHandle", "ResObj") # Create the type objects includestuff = includestuff + """ #include <ApplicationServices/ApplicationServices.h> extern int GrafObj_Convert(PyObject *, GrafPtr *); /* ** Manual converters */ PyObject *CGPoint_New(CGPoint *itself) { return Py_BuildValue("(ff)", itself->x, itself->y); } int CGPoint_Convert(PyObject *v, CGPoint *p_itself) { if( !PyArg_Parse(v, "(ff)", &p_itself->x, &p_itself->y) ) return 0; return 1; } PyObject *CGRect_New(CGRect *itself) { return Py_BuildValue("(ffff)", itself->origin.x, itself->origin.y, itself->size.width, itself->size.height); } int CGRect_Convert(PyObject *v, CGRect *p_itself) { if( !PyArg_Parse(v, "(ffff)", &p_itself->origin.x, &p_itself->origin.y, &p_itself->size.width, &p_itself->size.height) ) return 0; return 1; } PyObject *CGAffineTransform_New(CGAffineTransform *itself) { return Py_BuildValue("(ffffff)", itself->a, itself->b, itself->c, itself->d, itself->tx, itself->ty); } int CGAffineTransform_Convert(PyObject *v, CGAffineTransform *p_itself) { if( !PyArg_Parse(v, "(ffffff)", &p_itself->a, &p_itself->b, &p_itself->c, &p_itself->d, &p_itself->tx, &p_itself->ty) ) return 0; return 1; } """ class MyOpaqueByValueType(OpaqueByValueType): """Sort of a mix between OpaqueByValueType and OpaqueType.""" def mkvalueArgs(self, name): return "%s, &%s" % (self.new, name) CGPoint = MyOpaqueByValueType('CGPoint', 'CGPoint') CGRect = MyOpaqueByValueType('CGRect', 'CGRect') CGAffineTransform = MyOpaqueByValueType('CGAffineTransform', 'CGAffineTransform') char_ptr = Type("char *", "s") CGTextEncoding = int CGLineCap = int CGLineJoin = int CGTextDrawingMode = int CGPathDrawingMode = int CGInterpolationQuality = int # The real objects CGContextRef = OpaqueByValueType("CGContextRef", "CGContextRefObj") class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition): def outputStructMembers(self): ObjectDefinition.outputStructMembers(self) def outputCleanupStructMembers(self): Output("CGContextRelease(self->ob_itself);") # Create the generator groups and link them module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff) CGContextRef_object = MyObjectDefinition('CGContextRef', 'CGContextRefObj', 'CGContextRef') # ADD object here module.addobject(CGContextRef_object) Function = FunctionGenerator Method = MethodGenerator CGContextRef_methods = [] # ADD _methods initializer here execfile(INPUTFILE) # manual method, lives in Quickdraw.h f = Method(void, 'SyncCGContextOriginWithPort', (CGContextRef, 'ctx', InMode), (CGrafPtr, 'port', InMode), ) CGContextRef_methods.append(f) # manual method, lives in Quickdraw.h f = Method(void, 'ClipCGContextToRegion', (CGContextRef, 'ctx', InMode), (Rect, 'portRect', InMode), (RgnHandle, 'region', InMode), ) CGContextRef_methods.append(f) CreateCGContextForPort_body = """\ GrafPtr port; CGContextRef ctx; OSStatus _err; if (!PyArg_ParseTuple(_args, "O&", GrafObj_Convert, &port)) return NULL; _err = CreateCGContextForPort(port, &ctx); if (_err != noErr) if (_err != noErr) return PyMac_Error(_err); _res = Py_BuildValue("O&", CGContextRefObj_New, ctx); return _res; """ f = ManualGenerator("CreateCGContextForPort", CreateCGContextForPort_body); f.docstring = lambda: "(CGrafPtr) -> CGContextRef" module.add(f) # ADD add forloop here for f in CGContextRef_methods: CGContextRef_object.add(f) # generate output (open the output file as late as possible) SetOutputFileName(OUTPUTFILE) module.generate()