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Added methods getdata() and putdata() to obtain the data in a bitmap.

This commit is contained in:
Jack Jansen 2000-03-03 16:01:11 +00:00
parent 9428fa607b
commit 484be6152f
2 changed files with 68 additions and 0 deletions
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38
Mac/Modules/qd/Qdmodule.c
View File

@ -297,7 +297,45 @@ static void BMObj_dealloc(self)
PyMem_DEL(self);
}
static PyObject *BMObj_getdata(_self, _args)
BitMapObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
int from, length;
char *cp;
if ( !PyArg_ParseTuple(_args, "ii", &from, &length) )
return NULL;
cp = _self->ob_itself->baseAddr+from;
return PyString_FromStringAndSize(cp, length);
}
static PyObject *BMObj_putdata(_self, _args)
BitMapObject *_self;
PyObject *_args;
{
PyObject *_res = NULL;
int from, length;
char *cp, *icp;
if ( !PyArg_ParseTuple(_args, "is#", &from, &icp, &length) )
return NULL;
cp = _self->ob_itself->baseAddr+from;
memcpy(cp, icp, length);
Py_INCREF(Py_None);
return Py_None;
}
static PyMethodDef BMObj_methods[] = {
{"getdata", (PyCFunction)BMObj_getdata, 1,
"(int start, int size) -> string. Return bytes from the bitmap"},
{"putdata", (PyCFunction)BMObj_putdata, 1,
"(int start, string data). Store bytes into the bitmap"},
{NULL, NULL, 0}
};

30
Mac/Modules/qd/qdsupport.py
View File

@ -310,6 +310,36 @@ for f in functions: module.add(f)
##for f in r_methods: r_object.add(f)
##for f in po_methods: po_object.add(f)
# Manual generator: get data out of a bitmap
getdata_body = """
int from, length;
char *cp;
if ( !PyArg_ParseTuple(_args, "ii", &from, &length) )
return NULL;
cp = _self->ob_itself->baseAddr+from;
return PyString_FromStringAndSize(cp, length);
"""
f = ManualGenerator("getdata", getdata_body)
f.docstring = lambda: """(int start, int size) -> string. Return bytes from the bitmap"""
bm_object.add(f)
# Manual generator: store data in a bitmap
putdata_body = """
int from, length;
char *cp, *icp;
if ( !PyArg_ParseTuple(_args, "is#", &from, &icp, &length) )
return NULL;
cp = _self->ob_itself->baseAddr+from;
memcpy(cp, icp, length);
Py_INCREF(Py_None);
return Py_None;
"""
f = ManualGenerator("putdata", putdata_body)
f.docstring = lambda: """(int start, string data). Store bytes into the bitmap"""
bm_object.add(f)
#
# We manually generate a routine to create a BitMap from python data.
#