+++ /dev/null
-/////////////////////////////////////////////////////////////////////////////
-// Name: drawlist.cpp
-// Purpose: Helper functions for optimized list drawing on a wxDC
-//
-// Author: Robin Dunn, Chris Barker
-//
-// Created:
-// RCS-ID: $Id$
-// Copyright: (c) 2003 by Total Control Software
-// Licence: wxWindows license
-/////////////////////////////////////////////////////////////////////////////
-
-
-#undef DEBUG
-#include <Python.h>
-#include "wx/wxPython/wxPython.h"
-#include "wx/wxPython/pydrawxxx.h"
-
-
-//---------------------------------------------------------------------------
-
-
-// Called from _gdiinit so we can do the API import while the GIL is held
-void wxPyDrawList_SetAPIPtr()
-{
- wxPyCoreAPI_IMPORT();
-}
-
-
-PyObject* wxPyDrawXXXList(wxDC& dc, wxPyDrawListOp_t doDraw,
- PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
-{
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
-
- bool isFastSeq = PyList_Check(pyCoords) || PyTuple_Check(pyCoords);
- bool isFastPens = PyList_Check(pyPens) || PyTuple_Check(pyPens);
- bool isFastBrushes = PyList_Check(pyBrushes) || PyTuple_Check(pyBrushes);
- int numObjs = 0;
- int numPens = 0;
- int numBrushes = 0;
- wxPen* pen;
- wxBrush* brush;
- PyObject* obj;
- PyObject* coords;
- int i = 0;
- PyObject* retval;
-
- if (!PySequence_Check(pyCoords)) {
- goto err0;
- }
- if (!PySequence_Check(pyPens)) {
- goto err1;
- }
- if (!PySequence_Check(pyBrushes)) {
- goto err2;
- }
- numObjs = PySequence_Length(pyCoords);
- numPens = PySequence_Length(pyPens);
- numBrushes = PySequence_Length(pyBrushes);
- for (i = 0; i < numObjs; i++) {
- // Use a new pen?
- if (i < numPens) {
- if (isFastPens) {
- obj = PySequence_Fast_GET_ITEM(pyPens, i);
- }
- else {
- obj = PySequence_GetItem(pyPens, i);
- }
- if (! wxPyConvertSwigPtr(obj, (void **) &pen, wxT("wxPen"))) {
- if (!isFastPens)
- Py_DECREF(obj);
- goto err1;
- }
-
- dc.SetPen(*pen);
- if (!isFastPens)
- Py_DECREF(obj);
- }
- // Use a new brush?
- if (i < numBrushes) {
- if (isFastBrushes) {
- obj = PySequence_Fast_GET_ITEM(pyBrushes, i);
- }
- else {
- obj = PySequence_GetItem(pyBrushes, i);
- }
- if (!wxPyConvertSwigPtr(obj, (void **) &brush, wxT("wxBrush"))) {
- if (!isFastBrushes)
- Py_DECREF(obj);
- goto err2;
- }
-
- dc.SetBrush(*brush);
- if (!isFastBrushes)
- Py_DECREF(obj);
- }
-
- // Get the Coordinates
- if (isFastSeq) {
- coords = PySequence_Fast_GET_ITEM(pyCoords, i);
- }
- else {
- coords = PySequence_GetItem(pyCoords, i);
- }
-
-
- // call the drawOp
- bool success = doDraw(dc, coords);
- if (!isFastSeq)
- Py_DECREF(coords);
-
- if (! success) {
- retval = NULL;
- goto exit;
- }
-
- } // end of main for loop
-
- Py_INCREF(Py_None);
- retval = Py_None;
- goto exit;
-
-
- err0:
- PyErr_SetString(PyExc_TypeError, "Expected a sequence of coordinates");
- retval = NULL;
- goto exit;
-
- err1:
- PyErr_SetString(PyExc_TypeError, "Expected a sequence of wxPens");
- retval = NULL;
- goto exit;
-
- err2:
- PyErr_SetString(PyExc_TypeError, "Expected a sequence of wxBrushes");
- retval = NULL;
- goto exit;
-
-
- exit:
- wxPyEndBlockThreads(blocked);
- return retval;
-}
-
-
-
-bool wxPyDrawXXXPoint(wxDC& dc, PyObject* coords)
-{
- int x, y;
-
- if (! wxPy2int_seq_helper(coords, &x, &y)) {
- PyErr_SetString(PyExc_TypeError, "Expected a sequence of (x,y) sequences.");
- return false;
- }
- dc.DrawPoint(x, y);
- return true;
-}
-
-bool wxPyDrawXXXLine(wxDC& dc, PyObject* coords)
-{
- int x1, y1, x2, y2;
-
- if (! wxPy4int_seq_helper(coords, &x1, &y1, &x2, &y2)) {
- PyErr_SetString(PyExc_TypeError, "Expected a sequence of (x1,y1, x1,y2) sequences.");
- return false;
- }
- dc.DrawLine(x1,y1, x2,y2);
- return true;
-}
-
-bool wxPyDrawXXXRectangle(wxDC& dc, PyObject* coords)
-{
- int x, y, w, h;
-
- if (! wxPy4int_seq_helper(coords, &x, &y, &w, &h)) {
- PyErr_SetString(PyExc_TypeError, "Expected a sequence of (x,y, w,h) sequences.");
- return false;
- }
- dc.DrawRectangle(x, y, w, h);
- return true;
-}
-
-bool wxPyDrawXXXEllipse(wxDC& dc, PyObject* coords)
-{
- int x, y, w, h;
-
- if (! wxPy4int_seq_helper(coords, &x, &y, &w, &h)) {
- PyErr_SetString(PyExc_TypeError, "Expected a sequence of (x,y, w,h) sequences.");
- return false;
- }
- dc.DrawEllipse(x, y, w, h);
- return true;
-}
-
-
-bool wxPyDrawXXXPolygon(wxDC& dc, PyObject* coords)
-{
- wxPoint* points;
- int numPoints;
-
- points = wxPoint_LIST_helper(coords, &numPoints);
- if (! points) {
- PyErr_SetString(PyExc_TypeError, "Expected a sequence of sequences of (x,y) sequences.");
- return false;
- }
- dc.DrawPolygon(numPoints, points);
- delete [] points;
- return true;
-}
-
-
-//---------------------------------------------------------------------------
-
-
-
-PyObject* wxPyDrawTextList(wxDC& dc, PyObject* textList, PyObject* pyPoints, PyObject* foregroundList, PyObject* backgroundList)
-{
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
-
- bool isFastSeq = PyList_Check(pyPoints) || PyTuple_Check(pyPoints);
- bool isFastText = PyList_Check(textList) || PyTuple_Check(textList);
- bool isFastForeground = PyList_Check(foregroundList) || PyTuple_Check(foregroundList);
- bool isFastBackground = PyList_Check(backgroundList) || PyTuple_Check(backgroundList);
- int numText = 0;
- int numPoints = 0;
- int numForeground = 0;
- int numBackground = 0;
- PyObject* obj;
- int x1, y1;
- int i = 0;
- wxColor* color;
- PyObject* retval;
- wxString string;
-
- if (!PySequence_Check(pyPoints)) {
- goto err0;
- }
- if (!PySequence_Check(textList)) {
- goto err1;
- }
- if (!PySequence_Check(foregroundList)) {
- goto err2;
- }
- if (!PySequence_Check(backgroundList)) {
- goto err3;
- }
- numPoints = PySequence_Length(pyPoints);
- numText = PySequence_Length(textList);
- numForeground = PySequence_Length(foregroundList);
- numBackground = PySequence_Length(backgroundList);
-
- for (i = 0; i < numPoints; i++) {
- // Use a new string ?
- if (i < numText) {
- if ( isFastText ) {
- obj = PySequence_Fast_GET_ITEM(textList, i);
- }
- else {
- obj = PySequence_GetItem(textList, i);
- }
- if (! PyString_Check(obj) && !PyUnicode_Check(obj) ) {
- Py_DECREF(obj);
- goto err1;
- }
- string = Py2wxString(obj);
- if ( !isFastText )
- Py_DECREF(obj);
- }
-
- if (i < numForeground) {
- // Use a new foreground ?
- if ( isFastForeground ) {
- obj = PySequence_Fast_GET_ITEM(foregroundList, i);
- }
- else {
- obj = PySequence_GetItem(foregroundList, i);
- }
- if (! wxPyConvertSwigPtr(obj, (void **) &color, wxT("wxColour"))) {
- if (!isFastForeground)
- Py_DECREF(obj);
- goto err2;
- }
- dc.SetTextForeground(*color);
- if ( !isFastForeground )
- Py_DECREF(obj);
- }
-
- if (i < numBackground) {
- // Use a new background ?
- if ( isFastBackground ) {
- obj = PySequence_Fast_GET_ITEM(backgroundList, i);
- }
- else {
- obj = PySequence_GetItem(backgroundList, i);
- }
- if (! wxPyConvertSwigPtr(obj, (void **) &color, wxT("wxColour"))) {
- if (!isFastBackground)
- Py_DECREF(obj);
- goto err3;
- }
- dc.SetTextBackground(*color);
- if ( !isFastBackground )
- Py_DECREF(obj);
- }
-
- // Get the point coordinates
- if (isFastSeq) {
- obj = PySequence_Fast_GET_ITEM(pyPoints, i);
- }
- else {
- obj = PySequence_GetItem(pyPoints, i);
- }
- if (! wxPy2int_seq_helper(obj, &x1, &y1)) {
- if (! isFastSeq)
- Py_DECREF(obj);
- goto err0;
- }
- if (PyErr_Occurred()) {
- retval = NULL;
- if (!isFastSeq)
- Py_DECREF(obj);
- goto exit;
- }
-
-
- // Now draw the text
- dc.DrawText(string, x1, y1);
-
- if (!isFastText)
- Py_DECREF(obj);
- }
-
- Py_INCREF(Py_None);
- retval = Py_None;
- goto exit;
-
- err0:
- PyErr_SetString(PyExc_TypeError, "Expected a sequence of (x,y) sequences.");
- retval = NULL;
- goto exit;
- err1:
- PyErr_SetString(PyExc_TypeError, "Expected a sequence of strings");
- retval = NULL;
- goto exit;
-
- err2:
- PyErr_SetString(PyExc_TypeError, "Expected a sequence of wxColours for foregrounds");
- retval = NULL;
- goto exit;
-
- err3:
- PyErr_SetString(PyExc_TypeError, "Expected a sequence of wxColours for backgrounds");
- retval = NULL;
- goto exit;
-
- exit:
- wxPyEndBlockThreads(blocked);
- return retval;
-}
-
-
-
-//---------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff