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New internal function BMObj_NewCopied() which copies the BitMap. Used to get the screenBits bitmap.

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This commit is contained in:
Jack Jansen 2001-01-30 09:57:13 +00:00
parent 69c327988a
commit 87eb4f8bb3
2 changed files with 46 additions and 8 deletions
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28
Mac/Modules/qd/Qdmodule.c
View file

@ -11,7 +11,7 @@
#include <QuickDraw.h>
#if !ACCESSOR_CALLS_ARE_FUNCTIONS
#define GetPortBitMapForCopyBits(port) (((GrafPort)(port))->portBits)
#define GetPortBitMapForCopyBits(port) ((const struct BitMap *)&((GrafPort *)(port))->portBits)
#define GetPortPixMap(port) (((CGrafPtr)(port))->portPixMap)
#define GetPortBounds(port, bounds) (*(bounds) = (port)->portRect, (bounds))
#define GetPortForeColor(port, color) (*(color) = (port)->rgbFgColor, (color))
@ -79,6 +79,8 @@
#define QDIsPortBuffered(port) 0
#endif /* !TARGET_API_MAC_CARBON */
staticforward PyObject *BMObj_NewCopied(BitMapPtr);
/*
** Parse/generate RGB records
*/
@ -115,8 +117,6 @@ PyObject *QdFI_New(itself)
itself->widMax, itself->leading);
}
static PyObject *Qd_Error;
/* ---------------------- Object type GrafPort ---------------------- */
@ -584,7 +584,7 @@ static PyObject *QDGA_getattr(self, name)
if ( strcmp(name, "screenBits") == 0 ) {
BitMap rv;
GetQDGlobalsScreenBits(&rv);
return BMObj_New(&rv);
return BMObj_NewCopied(&rv);
}
if ( strcmp(name, "thePort") == 0 )
return GrafObj_New(GetQDGlobalsThePort());
@ -4521,7 +4521,7 @@ static PyObject *Qd_GetQDGlobalsScreenBits(_self, _args)
return NULL;
GetQDGlobalsScreenBits(&screenBits);
_res = Py_BuildValue("O&",
BMObj_New, &screenBits);
BMObj_NewCopied, &screenBits);
return _res;
}
@ -6162,6 +6162,24 @@ static PyMethodDef Qd_methods[] = {
/* Like BMObj_New, but the original bitmap data structure is copied (and
** released when the object is released)
*/
PyObject *BMObj_NewCopied(itself)
BitMapPtr itself;
{
BitMapObject *it;
BitMapPtr itself_copy;
if ((itself_copy=(BitMapPtr)malloc(sizeof(BitMap))) == NULL)
return PyErr_NoMemory();
*itself_copy = *itself;
it = (BitMapObject *)BMObj_New(itself_copy);
it->referred_bitmap = itself_copy;
return (PyObject *)it;
}
void initQd()
{

26
Mac/Modules/qd/qdsupport.py
View file

@ -46,7 +46,7 @@ def getargsCheck(self, name):
GrafPtr = OpaqueByValueType("GrafPtr", "GrafObj")
BitMap_ptr = OpaqueByValueType("BitMapPtr", "BMObj")
const_BitMap_ptr = OpaqueByValueType("const BitMap *", "BMObj")
BitMap = OpaqueType("BitMap", "BMObj")
BitMap = OpaqueType("BitMap", "BMObj_NewCopied", "BUG")
RGBColor = OpaqueType('RGBColor', 'QdRGB')
RGBColor_ptr = RGBColor
FontInfo = OpaqueType('FontInfo', 'QdFI')
@ -64,7 +64,7 @@ def getargsCheck(self, name):
#include <%s>""" % MACHEADERFILE + """
#if !ACCESSOR_CALLS_ARE_FUNCTIONS
#define GetPortBitMapForCopyBits(port) (((GrafPort)(port))->portBits)
#define GetPortBitMapForCopyBits(port) ((const struct BitMap *)&((GrafPort *)(port))->portBits)
#define GetPortPixMap(port) (((CGrafPtr)(port))->portPixMap)
#define GetPortBounds(port, bounds) (*(bounds) = (port)->portRect, (bounds))
#define GetPortForeColor(port, color) (*(color) = (port)->rgbFgColor, (color))
@ -132,6 +132,8 @@ def getargsCheck(self, name):
#define QDIsPortBuffered(port) 0
#endif /* !TARGET_API_MAC_CARBON */
staticforward PyObject *BMObj_NewCopied(BitMapPtr);
/*
** Parse/generate RGB records
*/
@ -167,7 +169,25 @@ def getargsCheck(self, name):
return Py_BuildValue("hhhh", itself->ascent, itself->descent,
itself->widMax, itself->leading);
}
"""
finalstuff = finalstuff + """
/* Like BMObj_New, but the original bitmap data structure is copied (and
** released when the object is released)
*/
PyObject *BMObj_NewCopied(itself)
BitMapPtr itself;
{
BitMapObject *it;
BitMapPtr itself_copy;
if ((itself_copy=(BitMapPtr)malloc(sizeof(BitMap))) == NULL)
return PyErr_NoMemory();
*itself_copy = *itself;
it = (BitMapObject *)BMObj_New(itself_copy);
it->referred_bitmap = itself_copy;
return (PyObject *)it;
}
"""
@ -458,7 +478,7 @@ def outputGetattrHook(self):
if ( strcmp(name, "screenBits") == 0 ) {
BitMap rv;
GetQDGlobalsScreenBits(&rv);
return BMObj_New(&rv);
return BMObj_NewCopied(&rv);
}
if ( strcmp(name, "thePort") == 0 )
return GrafObj_New(GetQDGlobalsThePort());