371 lines
10 KiB
C
Executable File
371 lines
10 KiB
C
Executable File
/*
|
|
* UPIWIN - Micro Pi Windowing Framework Kernel
|
|
* Copyright (C) 2019 Amy Bowersox/Erbosoft Metaverse Design Solutions
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#include <string.h>
|
|
#define PY_SSIZE_T_CLEAN
|
|
#include <Python.h>
|
|
#include "wintype.h"
|
|
#include "scode.h"
|
|
#include "log.h"
|
|
#include "devctxt.h"
|
|
#include "dc_screen.h"
|
|
#include "ep_init.h"
|
|
#include "ep_types.h"
|
|
|
|
static PyObject *devctxt_set_pixel(DevCtxtObject *self, PyObject *args)
|
|
{
|
|
INT32 x, y;
|
|
COLORREF color, rc;
|
|
|
|
if (!PyArg_ParseTuple(args, "iik", &x, &y, &color))
|
|
return NULL;
|
|
if (!(self->pdctxt))
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "bad device context");
|
|
return NULL;
|
|
}
|
|
rc = DC_SetPixel(self->pdctxt, x, y, color);
|
|
return PyLong_FromUnsignedLong(rc);
|
|
}
|
|
|
|
static PyObject *devctxt_line_to(DevCtxtObject *self, PyObject *args)
|
|
{
|
|
INT32 x, y;
|
|
BOOL rc;
|
|
|
|
if (!PyArg_ParseTuple(args, "ii", &x, &y))
|
|
return NULL;
|
|
if (!(self->pdctxt))
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "bad device context");
|
|
return NULL;
|
|
}
|
|
rc = DC_LineTo(self->pdctxt, x, y);
|
|
return PyBool_FromLong(rc);
|
|
}
|
|
|
|
static PyObject *devctxt_move_to(DevCtxtObject *self, PyObject *args)
|
|
{
|
|
INT32 x, y;
|
|
BOOL rc;
|
|
|
|
if (!PyArg_ParseTuple(args, "ii", &x, &y))
|
|
return NULL;
|
|
if (!(self->pdctxt))
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "bad device context");
|
|
return NULL;
|
|
}
|
|
rc = DC_MoveTo(self->pdctxt, x, y, NULL);
|
|
return PyBool_FromLong(rc);
|
|
}
|
|
|
|
static PyObject *devctxt_rectangle(DevCtxtObject *self, PyObject *args)
|
|
{
|
|
INT32 left, top, right, bottom;
|
|
BOOL rc;
|
|
|
|
if (!PyArg_ParseTuple(args, "iiii", &left, &top, &right, &bottom))
|
|
return NULL;
|
|
if (!(self->pdctxt))
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "bad device context");
|
|
return NULL;
|
|
}
|
|
rc = DC_Rectangle(self->pdctxt, left, top, right, bottom);
|
|
return PyBool_FromLong(rc);
|
|
}
|
|
|
|
static PyObject *devctxt_solid_rectangle(DevCtxtObject *self, PyObject *args)
|
|
{
|
|
INT32 left, top, right, bottom;
|
|
BOOL rc;
|
|
|
|
if (!PyArg_ParseTuple(args, "iiii", &left, &top, &right, &bottom))
|
|
return NULL;
|
|
if (!(self->pdctxt))
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "bad device context");
|
|
return NULL;
|
|
}
|
|
rc = DC_SolidRectangle(self->pdctxt, left, top, right, bottom);
|
|
return PyBool_FromLong(rc);
|
|
}
|
|
|
|
static PyObject *devctxt_bitblt(DevCtxtObject *self, PyObject *args)
|
|
{
|
|
INT32 x, y, width, height, x1, y1;
|
|
UINT32 rop;
|
|
DevCtxtObject *source;
|
|
BOOL rc;
|
|
|
|
if (!PyArg_ParseTuple(args, "iiiiO!iik", &x, &y, &width, &height, &DevCtxtType, &source, &x1, &y1, &rop))
|
|
return NULL;
|
|
if (!(self->pdctxt) || !(source->pdctxt))
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "bad device context");
|
|
return NULL;
|
|
}
|
|
|
|
rc = DC_BitBlt(self->pdctxt, x, y, width, height, source->pdctxt, x1, y1, rop);
|
|
return PyBool_FromLong(rc);
|
|
}
|
|
|
|
static PyObject *devctxt_get_clip_rect(DevCtxtObject *self, PyObject *args)
|
|
{
|
|
RECT rect;
|
|
|
|
if (!PyArg_ParseTuple(args, ""))
|
|
return NULL;
|
|
if (!(self->pdctxt))
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "bad device context");
|
|
return NULL;
|
|
}
|
|
DC_GetClipRect(self->pdctxt, &rect);
|
|
return Py_BuildValue("(i,i,i,i)", rect.left, rect.top, rect.right, rect.bottom);
|
|
}
|
|
|
|
static PyObject *devctxt_set_clip_rect(DevCtxtObject *self, PyObject *args)
|
|
{
|
|
RECT rect;
|
|
BOOL rc;
|
|
|
|
if (!PyArg_ParseTuple(args, "iiii", &(rect.left), &(rect.top), &(rect.right), &(rect.bottom)))
|
|
return NULL;
|
|
if (!(self->pdctxt))
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "bad device context");
|
|
return NULL;
|
|
}
|
|
rc = DC_SetClipRect(self->pdctxt, &rect);
|
|
return PyBool_FromLong(rc);
|
|
}
|
|
|
|
static PyObject *devctxt_select_bitmap(DevCtxtObject *self, BitmapObject *newbmp)
|
|
{
|
|
BitmapObject *old_bitmap = NULL;
|
|
PBITMAP old_pbmp;
|
|
|
|
if ((self->pdctxt->flags & DCFLG_TYPES) != DCFLG_IS_MEMORY)
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "must select bitmap into memory device context");
|
|
return NULL;
|
|
}
|
|
old_bitmap = self->selected_bitmap;
|
|
old_pbmp = (PBITMAP)DC_SelectObject(self->pdctxt, (PGFXOBJECT)(newbmp->pbmp));
|
|
if (!old_bitmap)
|
|
{
|
|
old_bitmap = (BitmapObject *)Epython_wrap_bitmap(old_pbmp);
|
|
if (!old_bitmap)
|
|
{
|
|
DC_SelectObject(self->pdctxt, (PGFXOBJECT)old_pbmp);
|
|
return NULL;
|
|
}
|
|
else
|
|
{
|
|
Py_INCREF(old_bitmap);
|
|
self->selected_bitmap = old_bitmap;
|
|
}
|
|
}
|
|
ASSERT(old_bitmap);
|
|
ASSERT(self->selected_bitmap);
|
|
ASSERT(newbmp);
|
|
Py_DECREF(self->selected_bitmap);
|
|
self->selected_bitmap = newbmp;
|
|
Py_INCREF(self->selected_bitmap);
|
|
return (PyObject *)old_bitmap;
|
|
}
|
|
|
|
static PyObject *devctxt_select_object(DevCtxtObject *self, PyObject *args)
|
|
{
|
|
PyObject *obj;
|
|
|
|
if (!PyArg_ParseTuple(args, "O", &obj))
|
|
return NULL;
|
|
if (!obj)
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "bad object selected");
|
|
return NULL;
|
|
}
|
|
if (PyObject_TypeCheck(obj, &BitmapType))
|
|
return devctxt_select_bitmap(self, (BitmapObject *)obj);
|
|
PyErr_SetString(PyExc_RuntimeError, "unknown type of object selected");
|
|
return NULL;
|
|
}
|
|
|
|
static PyMethodDef DevCtxtMethods[] = {
|
|
{"set_pixel", (PyCFunction)devctxt_set_pixel, METH_VARARGS,
|
|
"Sets a single pixel on the display."},
|
|
{"line_to", (PyCFunction)devctxt_line_to, METH_VARARGS,
|
|
"Draws a line from the current position to the specified location."},
|
|
{"move_to", (PyCFunction)devctxt_move_to, METH_VARARGS,
|
|
"Draws a line from the current position to the specified location."},
|
|
{"rectangle", (PyCFunction)devctxt_rectangle, METH_VARARGS,
|
|
"Draws a rectangle."},
|
|
{"solid_rectangle", (PyCFunction)devctxt_solid_rectangle, METH_VARARGS,
|
|
"Draws a solid rectangle."},
|
|
{"bitblt", (PyCFunction)devctxt_bitblt, METH_VARARGS,
|
|
"Copy bits from one device context to another."},
|
|
{"select_object", (PyCFunction)devctxt_select_object, METH_VARARGS,
|
|
"Selects a graphic object into the device context."},
|
|
{"get_clip_rect", (PyCFunction)devctxt_get_clip_rect, METH_VARARGS,
|
|
"Returns the current clipping rectangle of the device context."},
|
|
{"set_clip_rect", (PyCFunction)devctxt_set_clip_rect, METH_VARARGS,
|
|
"Sets the current clipping rectangle of the device context."},
|
|
{NULL, NULL, 0, NULL}
|
|
};
|
|
|
|
static PyObject *devctxt_get_rop2(DevCtxtObject *self, void *closure)
|
|
{
|
|
if (!(self->pdctxt))
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "bad device context");
|
|
return NULL;
|
|
}
|
|
return PyLong_FromUnsignedLong(DC_GetROP2(self->pdctxt));
|
|
}
|
|
|
|
static int devctxt_set_rop2(DevCtxtObject *self, PyObject *value, void *closure)
|
|
{
|
|
UINT32 v;
|
|
|
|
if (!(self->pdctxt))
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "bad device context");
|
|
return -1;
|
|
}
|
|
if (value == NULL)
|
|
{
|
|
PyErr_SetString(PyExc_TypeError, "Cannot delete this attribute");
|
|
return -1;
|
|
}
|
|
v = PyLong_AsUnsignedLong(value);
|
|
if (PyErr_Occurred())
|
|
return -1;
|
|
DC_SetROP2(self->pdctxt, v);
|
|
return 0;
|
|
}
|
|
|
|
static PyObject *devctxt_get_text_color(DevCtxtObject *self, void *closure)
|
|
{
|
|
if (!(self->pdctxt))
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "bad device context");
|
|
return NULL;
|
|
}
|
|
return PyLong_FromUnsignedLong(DC_GetTextColor(self->pdctxt));
|
|
}
|
|
|
|
static int devctxt_set_text_color(DevCtxtObject *self, PyObject *value, void *closure)
|
|
{
|
|
COLORREF v;
|
|
|
|
if (!(self->pdctxt))
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "bad device context");
|
|
return -1;
|
|
}
|
|
if (value == NULL)
|
|
{
|
|
PyErr_SetString(PyExc_TypeError, "Cannot delete this attribute");
|
|
return -1;
|
|
}
|
|
v = PyLong_AsUnsignedLong(value);
|
|
if (PyErr_Occurred())
|
|
return -1;
|
|
DC_SetTextColor(self->pdctxt, v);
|
|
return 0;
|
|
}
|
|
|
|
static PyGetSetDef DevCtxtProperties[] = {
|
|
{"rop2", (getter)devctxt_get_rop2, (setter)devctxt_set_rop2,
|
|
"Current raster operation", NULL},
|
|
{"text_color", (getter)devctxt_get_text_color, (setter)devctxt_set_text_color,
|
|
"Current text color", NULL},
|
|
{NULL, NULL, NULL, NULL, NULL}
|
|
};
|
|
|
|
static void devctxt_dealloc(DevCtxtObject *self)
|
|
{
|
|
if (self->pdctxt)
|
|
DC_release(self->pdctxt);
|
|
Py_TYPE(self)->tp_free((PyObject *)self);
|
|
}
|
|
|
|
static int devctxt_init(DevCtxtObject *self, PyObject *args, PyObject *kwds)
|
|
{
|
|
static char *kwlist[] = { "type", NULL };
|
|
const char *type;
|
|
|
|
if (!PyArg_ParseTupleAndKeywords(args, kwds, "$s", kwlist, &type))
|
|
return -1;
|
|
if (strcmp(type, "screen") == 0)
|
|
{
|
|
self->pdctxt = DC_CreateScreenContext();
|
|
if (!(self->pdctxt))
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "unable to create screen context");
|
|
return -1;
|
|
}
|
|
}
|
|
else if (strcmp(type, "memory") == 0)
|
|
{
|
|
self->pdctxt = _DC_CreateScreenCompatibleContext();
|
|
if (!(self->pdctxt))
|
|
{
|
|
PyErr_SetString(PyExc_RuntimeError, "unable to create memory context");
|
|
return -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
PyErr_Format(PyExc_RuntimeError, "invalid type '%s'", type);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
PyTypeObject DevCtxtType = {
|
|
PyVarObject_HEAD_INIT(NULL, 0)
|
|
.tp_name = "upiwin.DevCtxt",
|
|
.tp_doc = "Device context object",
|
|
.tp_basicsize = sizeof(DevCtxtObject),
|
|
.tp_itemsize = 0,
|
|
.tp_flags = Py_TPFLAGS_DEFAULT,
|
|
.tp_new = PyType_GenericNew,
|
|
.tp_init = (initproc)devctxt_init,
|
|
.tp_dealloc = (destructor)devctxt_dealloc,
|
|
.tp_methods = DevCtxtMethods,
|
|
.tp_getset = DevCtxtProperties,
|
|
};
|
|
|
|
HRESULT Epython_register_devctxt(PyObject *module)
|
|
{
|
|
if (PyType_Ready(&DevCtxtType) < 0)
|
|
return E_FAIL;
|
|
Py_INCREF(&DevCtxtType);
|
|
if (PyModule_AddObject(module, "DevCtxt", (PyObject *)(&DevCtxtType)) < 0)
|
|
{
|
|
Py_DECREF(&DevCtxtType);
|
|
return E_FAIL;
|
|
}
|
|
return S_OK;
|
|
}
|