1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
# 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
exec(open(INPUTFILE).read())
# 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()
|
