Offscreen bitmap support, first stab. PixMaps are still treated as ordinary
handles, not fullblown python objects, and UpdateGWorld returns a new GWorld
object in stead of modifying the existing one.
diff --git a/Mac/Modules/qdoffs/Qdoffsmodule.c b/Mac/Modules/qdoffs/Qdoffsmodule.c
new file mode 100644
index 0000000..fef251f
--- /dev/null
+++ b/Mac/Modules/qdoffs/Qdoffsmodule.c
@@ -0,0 +1,587 @@
+
+/* ========================= Module Qdoffs ========================== */
+
+#include "Python.h"
+
+
+
+#define SystemSevenOrLater 1
+
+#include "macglue.h"
+#include <Memory.h>
+#include <Dialogs.h>
+#include <Menus.h>
+#include <Controls.h>
+
+extern PyObject *ResObj_New(Handle);
+extern int ResObj_Convert(PyObject *, Handle *);
+extern PyObject *OptResObj_New(Handle);
+extern int OptResObj_Convert(PyObject *, Handle *);
+
+extern PyObject *WinObj_New(WindowPtr);
+extern int WinObj_Convert(PyObject *, WindowPtr *);
+extern PyTypeObject Window_Type;
+#define WinObj_Check(x) ((x)->ob_type == &Window_Type)
+
+extern PyObject *DlgObj_New(DialogPtr);
+extern int DlgObj_Convert(PyObject *, DialogPtr *);
+extern PyTypeObject Dialog_Type;
+#define DlgObj_Check(x) ((x)->ob_type == &Dialog_Type)
+
+extern PyObject *MenuObj_New(MenuHandle);
+extern int MenuObj_Convert(PyObject *, MenuHandle *);
+
+extern PyObject *CtlObj_New(ControlHandle);
+extern int CtlObj_Convert(PyObject *, ControlHandle *);
+
+extern PyObject *GrafObj_New(GrafPtr);
+extern int GrafObj_Convert(PyObject *, GrafPtr *);
+
+extern PyObject *BMObj_New(BitMapPtr);
+extern int BMObj_Convert(PyObject *, BitMapPtr *);
+
+extern PyObject *WinObj_WhichWindow(WindowPtr);
+
+#include <QDOffscreen.h>
+
+#define resNotFound -192 /* Can't include <Errors.h> because of Python's "errors.h" */
+
+
+static PyObject *Qdoffs_Error;
+
+/* ----------------------- Object type GWorld ----------------------- */
+
+PyTypeObject GWorld_Type;
+
+#define GWorldObj_Check(x) ((x)->ob_type == &GWorld_Type)
+
+typedef struct GWorldObject {
+ PyObject_HEAD
+ GWorldPtr ob_itself;
+} GWorldObject;
+
+PyObject *GWorldObj_New(itself)
+ GWorldPtr itself;
+{
+ GWorldObject *it;
+ if (itself == NULL) return PyMac_Error(resNotFound);
+ it = PyObject_NEW(GWorldObject, &GWorld_Type);
+ if (it == NULL) return NULL;
+ it->ob_itself = itself;
+ return (PyObject *)it;
+}
+GWorldObj_Convert(v, p_itself)
+ PyObject *v;
+ GWorldPtr *p_itself;
+{
+ if (!GWorldObj_Check(v))
+ {
+ PyErr_SetString(PyExc_TypeError, "GWorld required");
+ return 0;
+ }
+ *p_itself = ((GWorldObject *)v)->ob_itself;
+ return 1;
+}
+
+static void GWorldObj_dealloc(self)
+ GWorldObject *self;
+{
+ DisposeGWorld(self->ob_itself);
+ PyMem_DEL(self);
+}
+
+static PyObject *GWorldObj_GetGWorldDevice(_self, _args)
+ GWorldObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ GDHandle _rv;
+ if (!PyArg_ParseTuple(_args, ""))
+ return NULL;
+ _rv = GetGWorldDevice(_self->ob_itself);
+ _res = Py_BuildValue("O&",
+ ResObj_New, _rv);
+ return _res;
+}
+
+static PyObject *GWorldObj_GetGWorldPixMap(_self, _args)
+ GWorldObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ PixMapHandle _rv;
+ if (!PyArg_ParseTuple(_args, ""))
+ return NULL;
+ _rv = GetGWorldPixMap(_self->ob_itself);
+ _res = Py_BuildValue("O&",
+ ResObj_New, _rv);
+ return _res;
+}
+
+static PyMethodDef GWorldObj_methods[] = {
+ {"GetGWorldDevice", (PyCFunction)GWorldObj_GetGWorldDevice, 1,
+ "() -> (GDHandle _rv)"},
+ {"GetGWorldPixMap", (PyCFunction)GWorldObj_GetGWorldPixMap, 1,
+ "() -> (PixMapHandle _rv)"},
+ {NULL, NULL, 0}
+};
+
+PyMethodChain GWorldObj_chain = { GWorldObj_methods, NULL };
+
+static PyObject *GWorldObj_getattr(self, name)
+ GWorldObject *self;
+ char *name;
+{
+ return Py_FindMethodInChain(&GWorldObj_chain, (PyObject *)self, name);
+}
+
+#define GWorldObj_setattr NULL
+
+PyTypeObject GWorld_Type = {
+ PyObject_HEAD_INIT(&PyType_Type)
+ 0, /*ob_size*/
+ "GWorld", /*tp_name*/
+ sizeof(GWorldObject), /*tp_basicsize*/
+ 0, /*tp_itemsize*/
+ /* methods */
+ (destructor) GWorldObj_dealloc, /*tp_dealloc*/
+ 0, /*tp_print*/
+ (getattrfunc) GWorldObj_getattr, /*tp_getattr*/
+ (setattrfunc) GWorldObj_setattr, /*tp_setattr*/
+};
+
+/* --------------------- End object type GWorld --------------------- */
+
+
+static PyObject *Qdoffs_NewGWorld(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ QDErr _err;
+ GWorldPtr offscreenGWorld;
+ short PixelDepth;
+ Rect boundsRect;
+ CTabHandle cTable;
+ GDHandle aGDevice;
+ GWorldFlags flags;
+ if (!PyArg_ParseTuple(_args, "hO&O&O&l",
+ &PixelDepth,
+ PyMac_GetRect, &boundsRect,
+ OptResObj_Convert, &cTable,
+ OptResObj_Convert, &aGDevice,
+ &flags))
+ return NULL;
+ _err = NewGWorld(&offscreenGWorld,
+ PixelDepth,
+ &boundsRect,
+ cTable,
+ aGDevice,
+ flags);
+ if (_err != noErr) return PyMac_Error(_err);
+ _res = Py_BuildValue("O&",
+ GWorldObj_New, offscreenGWorld);
+ return _res;
+}
+
+static PyObject *Qdoffs_LockPixels(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ Boolean _rv;
+ PixMapHandle pm;
+ if (!PyArg_ParseTuple(_args, "O&",
+ ResObj_Convert, &pm))
+ return NULL;
+ _rv = LockPixels(pm);
+ _res = Py_BuildValue("b",
+ _rv);
+ return _res;
+}
+
+static PyObject *Qdoffs_UnlockPixels(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ PixMapHandle pm;
+ if (!PyArg_ParseTuple(_args, "O&",
+ ResObj_Convert, &pm))
+ return NULL;
+ UnlockPixels(pm);
+ Py_INCREF(Py_None);
+ _res = Py_None;
+ return _res;
+}
+
+static PyObject *Qdoffs_UpdateGWorld(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ GWorldFlags _rv;
+ GWorldPtr offscreenGWorld;
+ short pixelDepth;
+ Rect boundsRect;
+ CTabHandle cTable;
+ GDHandle aGDevice;
+ GWorldFlags flags;
+ if (!PyArg_ParseTuple(_args, "hO&O&O&l",
+ &pixelDepth,
+ PyMac_GetRect, &boundsRect,
+ OptResObj_Convert, &cTable,
+ OptResObj_Convert, &aGDevice,
+ &flags))
+ return NULL;
+ _rv = UpdateGWorld(&offscreenGWorld,
+ pixelDepth,
+ &boundsRect,
+ cTable,
+ aGDevice,
+ flags);
+ _res = Py_BuildValue("lO&",
+ _rv,
+ GWorldObj_New, offscreenGWorld);
+ return _res;
+}
+
+static PyObject *Qdoffs_GetGWorld(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ CGrafPtr port;
+ GDHandle gdh;
+ if (!PyArg_ParseTuple(_args, ""))
+ return NULL;
+ GetGWorld(&port,
+ &gdh);
+ _res = Py_BuildValue("O&O&",
+ GrafObj_New, port,
+ ResObj_New, gdh);
+ return _res;
+}
+
+static PyObject *Qdoffs_SetGWorld(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ CGrafPtr port;
+ GDHandle gdh;
+ if (!PyArg_ParseTuple(_args, "O&O&",
+ GrafObj_Convert, &port,
+ OptResObj_Convert, &gdh))
+ return NULL;
+ SetGWorld(port,
+ gdh);
+ Py_INCREF(Py_None);
+ _res = Py_None;
+ return _res;
+}
+
+static PyObject *Qdoffs_CTabChanged(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ CTabHandle ctab;
+ if (!PyArg_ParseTuple(_args, "O&",
+ OptResObj_Convert, &ctab))
+ return NULL;
+ CTabChanged(ctab);
+ Py_INCREF(Py_None);
+ _res = Py_None;
+ return _res;
+}
+
+static PyObject *Qdoffs_PixPatChanged(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ PixPatHandle ppat;
+ if (!PyArg_ParseTuple(_args, "O&",
+ ResObj_Convert, &ppat))
+ return NULL;
+ PixPatChanged(ppat);
+ Py_INCREF(Py_None);
+ _res = Py_None;
+ return _res;
+}
+
+static PyObject *Qdoffs_PortChanged(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ GrafPtr port;
+ if (!PyArg_ParseTuple(_args, "O&",
+ GrafObj_Convert, &port))
+ return NULL;
+ PortChanged(port);
+ Py_INCREF(Py_None);
+ _res = Py_None;
+ return _res;
+}
+
+static PyObject *Qdoffs_GDeviceChanged(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ GDHandle gdh;
+ if (!PyArg_ParseTuple(_args, "O&",
+ OptResObj_Convert, &gdh))
+ return NULL;
+ GDeviceChanged(gdh);
+ Py_INCREF(Py_None);
+ _res = Py_None;
+ return _res;
+}
+
+static PyObject *Qdoffs_AllowPurgePixels(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ PixMapHandle pm;
+ if (!PyArg_ParseTuple(_args, "O&",
+ ResObj_Convert, &pm))
+ return NULL;
+ AllowPurgePixels(pm);
+ Py_INCREF(Py_None);
+ _res = Py_None;
+ return _res;
+}
+
+static PyObject *Qdoffs_NoPurgePixels(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ PixMapHandle pm;
+ if (!PyArg_ParseTuple(_args, "O&",
+ ResObj_Convert, &pm))
+ return NULL;
+ NoPurgePixels(pm);
+ Py_INCREF(Py_None);
+ _res = Py_None;
+ return _res;
+}
+
+static PyObject *Qdoffs_GetPixelsState(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ GWorldFlags _rv;
+ PixMapHandle pm;
+ if (!PyArg_ParseTuple(_args, "O&",
+ ResObj_Convert, &pm))
+ return NULL;
+ _rv = GetPixelsState(pm);
+ _res = Py_BuildValue("l",
+ _rv);
+ return _res;
+}
+
+static PyObject *Qdoffs_SetPixelsState(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ PixMapHandle pm;
+ GWorldFlags state;
+ if (!PyArg_ParseTuple(_args, "O&l",
+ ResObj_Convert, &pm,
+ &state))
+ return NULL;
+ SetPixelsState(pm,
+ state);
+ Py_INCREF(Py_None);
+ _res = Py_None;
+ return _res;
+}
+
+static PyObject *Qdoffs_NewScreenBuffer(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ QDErr _err;
+ Rect globalRect;
+ Boolean purgeable;
+ GDHandle gdh;
+ PixMapHandle offscreenPixMap;
+ if (!PyArg_ParseTuple(_args, "O&b",
+ PyMac_GetRect, &globalRect,
+ &purgeable))
+ return NULL;
+ _err = NewScreenBuffer(&globalRect,
+ purgeable,
+ &gdh,
+ &offscreenPixMap);
+ if (_err != noErr) return PyMac_Error(_err);
+ _res = Py_BuildValue("O&O&",
+ ResObj_New, gdh,
+ ResObj_New, offscreenPixMap);
+ return _res;
+}
+
+static PyObject *Qdoffs_DisposeScreenBuffer(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ PixMapHandle offscreenPixMap;
+ if (!PyArg_ParseTuple(_args, "O&",
+ ResObj_Convert, &offscreenPixMap))
+ return NULL;
+ DisposeScreenBuffer(offscreenPixMap);
+ Py_INCREF(Py_None);
+ _res = Py_None;
+ return _res;
+}
+
+static PyObject *Qdoffs_QDDone(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ Boolean _rv;
+ GrafPtr port;
+ if (!PyArg_ParseTuple(_args, "O&",
+ GrafObj_Convert, &port))
+ return NULL;
+ _rv = QDDone(port);
+ _res = Py_BuildValue("b",
+ _rv);
+ return _res;
+}
+
+static PyObject *Qdoffs_OffscreenVersion(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ long _rv;
+ if (!PyArg_ParseTuple(_args, ""))
+ return NULL;
+ _rv = OffscreenVersion();
+ _res = Py_BuildValue("l",
+ _rv);
+ return _res;
+}
+
+static PyObject *Qdoffs_NewTempScreenBuffer(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ QDErr _err;
+ Rect globalRect;
+ Boolean purgeable;
+ GDHandle gdh;
+ PixMapHandle offscreenPixMap;
+ if (!PyArg_ParseTuple(_args, "O&b",
+ PyMac_GetRect, &globalRect,
+ &purgeable))
+ return NULL;
+ _err = NewTempScreenBuffer(&globalRect,
+ purgeable,
+ &gdh,
+ &offscreenPixMap);
+ if (_err != noErr) return PyMac_Error(_err);
+ _res = Py_BuildValue("O&O&",
+ ResObj_New, gdh,
+ ResObj_New, offscreenPixMap);
+ return _res;
+}
+
+static PyObject *Qdoffs_PixMap32Bit(_self, _args)
+ PyObject *_self;
+ PyObject *_args;
+{
+ PyObject *_res = NULL;
+ Boolean _rv;
+ PixMapHandle pmHandle;
+ if (!PyArg_ParseTuple(_args, "O&",
+ ResObj_Convert, &pmHandle))
+ return NULL;
+ _rv = PixMap32Bit(pmHandle);
+ _res = Py_BuildValue("b",
+ _rv);
+ return _res;
+}
+
+static PyMethodDef Qdoffs_methods[] = {
+ {"NewGWorld", (PyCFunction)Qdoffs_NewGWorld, 1,
+ "(short PixelDepth, Rect boundsRect, CTabHandle cTable, GDHandle aGDevice, GWorldFlags flags) -> (GWorldPtr offscreenGWorld)"},
+ {"LockPixels", (PyCFunction)Qdoffs_LockPixels, 1,
+ "(PixMapHandle pm) -> (Boolean _rv)"},
+ {"UnlockPixels", (PyCFunction)Qdoffs_UnlockPixels, 1,
+ "(PixMapHandle pm) -> None"},
+ {"UpdateGWorld", (PyCFunction)Qdoffs_UpdateGWorld, 1,
+ "(short pixelDepth, Rect boundsRect, CTabHandle cTable, GDHandle aGDevice, GWorldFlags flags) -> (GWorldFlags _rv, GWorldPtr offscreenGWorld)"},
+ {"GetGWorld", (PyCFunction)Qdoffs_GetGWorld, 1,
+ "() -> (CGrafPtr port, GDHandle gdh)"},
+ {"SetGWorld", (PyCFunction)Qdoffs_SetGWorld, 1,
+ "(CGrafPtr port, GDHandle gdh) -> None"},
+ {"CTabChanged", (PyCFunction)Qdoffs_CTabChanged, 1,
+ "(CTabHandle ctab) -> None"},
+ {"PixPatChanged", (PyCFunction)Qdoffs_PixPatChanged, 1,
+ "(PixPatHandle ppat) -> None"},
+ {"PortChanged", (PyCFunction)Qdoffs_PortChanged, 1,
+ "(GrafPtr port) -> None"},
+ {"GDeviceChanged", (PyCFunction)Qdoffs_GDeviceChanged, 1,
+ "(GDHandle gdh) -> None"},
+ {"AllowPurgePixels", (PyCFunction)Qdoffs_AllowPurgePixels, 1,
+ "(PixMapHandle pm) -> None"},
+ {"NoPurgePixels", (PyCFunction)Qdoffs_NoPurgePixels, 1,
+ "(PixMapHandle pm) -> None"},
+ {"GetPixelsState", (PyCFunction)Qdoffs_GetPixelsState, 1,
+ "(PixMapHandle pm) -> (GWorldFlags _rv)"},
+ {"SetPixelsState", (PyCFunction)Qdoffs_SetPixelsState, 1,
+ "(PixMapHandle pm, GWorldFlags state) -> None"},
+ {"NewScreenBuffer", (PyCFunction)Qdoffs_NewScreenBuffer, 1,
+ "(Rect globalRect, Boolean purgeable) -> (GDHandle gdh, PixMapHandle offscreenPixMap)"},
+ {"DisposeScreenBuffer", (PyCFunction)Qdoffs_DisposeScreenBuffer, 1,
+ "(PixMapHandle offscreenPixMap) -> None"},
+ {"QDDone", (PyCFunction)Qdoffs_QDDone, 1,
+ "(GrafPtr port) -> (Boolean _rv)"},
+ {"OffscreenVersion", (PyCFunction)Qdoffs_OffscreenVersion, 1,
+ "() -> (long _rv)"},
+ {"NewTempScreenBuffer", (PyCFunction)Qdoffs_NewTempScreenBuffer, 1,
+ "(Rect globalRect, Boolean purgeable) -> (GDHandle gdh, PixMapHandle offscreenPixMap)"},
+ {"PixMap32Bit", (PyCFunction)Qdoffs_PixMap32Bit, 1,
+ "(PixMapHandle pmHandle) -> (Boolean _rv)"},
+ {NULL, NULL, 0}
+};
+
+
+
+
+void initQdoffs()
+{
+ PyObject *m;
+ PyObject *d;
+
+
+
+
+ m = Py_InitModule("Qdoffs", Qdoffs_methods);
+ d = PyModule_GetDict(m);
+ Qdoffs_Error = PyMac_GetOSErrException();
+ if (Qdoffs_Error == NULL ||
+ PyDict_SetItemString(d, "Error", Qdoffs_Error) != 0)
+ Py_FatalError("can't initialize Qdoffs.Error");
+ GWorld_Type.ob_type = &PyType_Type;
+ Py_INCREF(&GWorld_Type);
+ if (PyDict_SetItemString(d, "GWorldType", (PyObject *)&GWorld_Type) != 0)
+ Py_FatalError("can't initialize GWorldType");
+}
+
+/* ======================= End module Qdoffs ======================== */
+