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