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https://github.com/wxWidgets/Phoenix.git
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d49953b7cd
Fix GraphicsContext created from AutoBufferedPaintDC
(cherry picked from commit 5e7b9bc188)
301 lines
10 KiB
Python
301 lines
10 KiB
Python
#---------------------------------------------------------------------------
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# Name: etg/graphics.py
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# Author: Kevin Ollivier
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# Robin Dunn
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#
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# Created: 10-Sept-2011
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# Copyright: (c) 2011 by Kevin Ollivier
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# Copyright: (c) 2011-2018 by Total Control Software
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# License: wxWindows License
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#---------------------------------------------------------------------------
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import etgtools
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import etgtools.tweaker_tools as tools
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PACKAGE = "wx"
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MODULE = "_core"
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NAME = "graphics" # Base name of the file to generate to for this script
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DOCSTRING = ""
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# The classes and/or the basename of the Doxygen XML files to be processed by
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# this script.
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ITEMS = [
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'wxGraphicsObject',
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'wxGraphicsBitmap',
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'wxGraphicsBrush',
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'wxGraphicsFont',
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'wxGraphicsPenInfo',
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'wxGraphicsPen',
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'wxGraphicsContext',
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'wxGraphicsGradientStop',
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'wxGraphicsGradientStops',
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'wxGraphicsMatrix',
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'wxGraphicsPath',
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'wxGraphicsRenderer',
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]
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#---------------------------------------------------------------------------
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def run():
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# Parse the XML file(s) building a collection of Extractor objects
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module = etgtools.ModuleDef(PACKAGE, MODULE, NAME, DOCSTRING)
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etgtools.parseDoxyXML(module, ITEMS)
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#-----------------------------------------------------------------
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# Tweak the parsed meta objects in the module object as needed for
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# customizing the generated code and docstrings.
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module.addHeaderCode('#include <wx/gdicmn.h>')
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def markCreateFactories(klass):
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"""Mark all Create methods as factories"""
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for func in klass.allItems():
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if isinstance(func, etgtools.FunctionDef) \
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and func.name.startswith('Create') \
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and '*' in func.type:
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func.factory = True
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#---------------------------------------------
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c = module.find('wxGraphicsObject')
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assert isinstance(c, etgtools.ClassDef)
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c.mustHaveApp()
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c.addCppMethod('bool', 'IsOk', '()', 'return !self->IsNull();')
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c.addCppMethod('int', '__nonzero__', '()', "return !self->IsNull();")
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#---------------------------------------------
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c = module.find('wxGraphicsContext')
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assert isinstance(c, etgtools.ClassDef)
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tools.removeVirtuals(c)
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c.abstract = True
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c.mustHaveApp()
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c.addCppMethod('wxGraphicsContext*', 'Create', '(wxAutoBufferedPaintDC* autoPaintDC /KeepReference/)',
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pyArgsString='(autoPaintDC) -> GraphicsContext',
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isStatic=True,
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body="""\
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return wxGraphicsContext::Create(*autoPaintDC);
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""")
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m = c.find('Create').findOverload('wxEnhMetaFileDC')
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m.find('metaFileDC').type = 'const wxMetafileDC&'
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m.argsString = '(const wxMetafileDC& metaFileDC)'
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m.setCppCode("""\
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#ifdef __WXMSW__
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#if wxUSE_ENH_METAFILE
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return wxGraphicsContext::Create(*metaFileDC);
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#endif
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#endif
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wxPyRaiseNotImplemented();
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return NULL;
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""")
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markCreateFactories(c)
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# Ensure that the target DC or image passed to Create lives as long as the
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# GC does. NOTE: Since the Creates are static methods there is no self to
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# associate the extra reference with, but since they are factories then
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# that extra reference will be held by the return value of the factory
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# instead.
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for m in c.find('Create').all():
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for p in m.items:
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if 'DC' in p.name or p.name == 'image':
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p.keepReference = True
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c.find('GetSize.width').out = True
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c.find('GetSize.height').out = True
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c.find('GetDPI.dpiX').out = True
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c.find('GetDPI.dpiY').out = True
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m = c.find('GetPartialTextExtents')
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m.find('widths').ignore()
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m.type = 'wxArrayDouble*'
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m.factory = True # a new instance is being created
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m.setCppCode("""\
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wxArrayDouble rval;
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self->GetPartialTextExtents(*text, rval);
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return new wxArrayDouble(rval);
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""")
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m = c.find('GetTextExtent')
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m.pyName = 'GetFullTextExtent'
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m.find('width').out = True
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m.find('height').out = True
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m.find('descent').out = True
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m.find('externalLeading').out = True
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c.addCppMethod('PyObject*', 'GetTextExtent', '(const wxString& text)',
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pyArgsString="(text) -> (width, height)",
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doc="Gets the dimensions of the string using the currently selected font.",
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body="""\
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wxDouble width = 0.0, height = 0.0;
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self->GetTextExtent(*text, &width, &height, NULL, NULL);
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wxPyThreadBlocker blocker;
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return sipBuildResult(0, "(dd)", width, height);
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""")
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c.addPyCode("GraphicsContext.DrawRotatedText = wx.deprecated(GraphicsContext.DrawText, 'Use DrawText instead.')")
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c.addCppCode(tools.ObjArrayHelperTemplate('wxPoint2D', 'sipType_wxPoint2DDouble',
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"Expected a sequence of length-2 sequences or wx.Point2D objects."))
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# we'll reimplement this overload as StrokeLineSegments
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c.find('StrokeLines').findOverload('beginPoints').ignore()
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c.addCppMethod('void', 'StrokeLineSegments', '(PyObject* beginPoints, PyObject* endPoints)',
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pyArgsString="(beginPoint2Ds, endPoint2Ds)",
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doc="Stroke disconnected lines from begin to end points.",
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body="""\
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size_t c1, c2, count;
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wxPoint2D* beginP = wxPoint2D_array_helper(beginPoints, &c1);
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wxPoint2D* endP = wxPoint2D_array_helper(endPoints, &c2);
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if ( beginP != NULL && endP != NULL ) {
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count = wxMin(c1, c2);
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self->StrokeLines(count, beginP, endP);
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}
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delete [] beginP;
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delete [] endP;
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""")
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# Also reimplement the main StrokeLines method to reuse the same helper
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# function as StrokeLineSegments
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m = c.find('StrokeLines').findOverload('points').ignore()
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c.addCppMethod('void', 'StrokeLines', '(PyObject* points)',
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pyArgsString="(point2Ds)",
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doc="Stroke lines conencting all the points.",
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body="""\
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size_t count;
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wxPoint2D* ptsArray = wxPoint2D_array_helper(points, &count);
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if ( ptsArray != NULL ) {
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self->StrokeLines(count, ptsArray);
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delete [] ptsArray;
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}
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""")
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# and once more for DrawLines
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m = c.find('DrawLines').ignore()
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c.addCppMethod('void', 'DrawLines', '(PyObject* points, wxPolygonFillMode fillStyle = wxODDEVEN_RULE)',
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pyArgsString="(point2Ds, fillStyle=ODDEVEN_RULE)",
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doc="Draws a polygon.",
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body="""\
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size_t count;
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wxPoint2D* ptsArray = wxPoint2D_array_helper(points, &count);
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if ( ptsArray != NULL ) {
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self->DrawLines(count, ptsArray, fillStyle);
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delete [] ptsArray;
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}
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""")
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# TODO: support this?
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c.find('CreateFromNativeHDC').ignore()
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#---------------------------------------------
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c = module.find('wxGraphicsPath')
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tools.removeVirtuals(c)
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c.find('GetBox').findOverload('wxDouble *x, wxDouble *y').ignore()
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c.find('GetCurrentPoint').findOverload('wxDouble *x, wxDouble *y').ignore()
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c.mustHaveApp()
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#---------------------------------------------
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c = module.find('wxGraphicsRenderer')
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tools.removeVirtuals(c)
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markCreateFactories(c)
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c.abstract = True
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for m in c.find('CreateContext').all():
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for p in m.items:
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if 'DC' in p.name or p.name == 'image':
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p.keepReference = True
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c.find('CreateContextFromImage.image').keepReference = True
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# TODO: support this?
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c.find('CreateContext').findOverload('wxEnhMetaFileDC').ignore()
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# TODO: support this?
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c.find('CreateContextFromNativeHDC').ignore()
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c.find('GetGDIPlusRenderer').ignore()
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c.addCppMethod('wxGraphicsRenderer*', 'GetGDIPlusRenderer', '()', isStatic=True,
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doc="Returns GDI+ renderer (MSW only).",
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body="""\
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#ifdef __WXMSW__
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return wxGraphicsRenderer::GetGDIPlusRenderer();
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#else
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return NULL;
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#endif
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""")
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c.find('GetDirect2DRenderer').ignore()
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c.addCppMethod('wxGraphicsRenderer*', 'GetDirect2DRenderer', '()', isStatic=True,
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doc="Returns Direct2D renderer (MSW only).",
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body="""\
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#ifdef __WXMSW__
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return wxGraphicsRenderer::GetDirect2DRenderer();
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#else
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return NULL;
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#endif
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""")
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#---------------------------------------------
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c = module.find('wxGraphicsMatrix')
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tools.removeVirtuals(c)
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c.mustHaveApp()
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c.find('Concat').overloads = []
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c.find('IsEqual').overloads = []
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c.find('Get.a').out = True
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c.find('Get.b').out = True
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c.find('Get.c').out = True
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c.find('Get.d').out = True
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c.find('Get.tx').out = True
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c.find('Get.ty').out = True
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c.find('TransformDistance.dx').inOut = True
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c.find('TransformDistance.dy').inOut = True
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c.find('TransformPoint.x').inOut = True
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c.find('TransformPoint.y').inOut = True
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#---------------------------------------------
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c = module.find('wxGraphicsGradientStops')
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c.addCppMethod('SIP_SSIZE_T', '__len__', '()', body="return (SIP_SSIZE_T)self->GetCount();")
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c.addCppMethod('wxGraphicsGradientStop*', '__getitem__', '(ulong n)',
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pyArgsString='(n)',
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body="return new wxGraphicsGradientStop(self->Item(n));",
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factory=True)
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#---------------------------------------------
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c = module.find('wxGraphicsPenInfo')
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# Ignore Dashes for now
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# TODO: we need to do something like wx.Pen.SetDashes, but since
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# GraphicsPenInfo is transitory we can't save the reference in it to the
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# holder, and the pen will not have been created yet...
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c.find('Dashes').ignore()
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#---------------------------------------------
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# Use the pyNames we set for these classes in geometry.py so the old
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# names do not show up in the docstrings, etc.
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tools.changeTypeNames(module, 'wxPoint2DDouble', 'wxPoint2D')
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tools.changeTypeNames(module, 'wxRect2DDouble', 'wxRect2D')
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#-----------------------------------------------------------------
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tools.doCommonTweaks(module)
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tools.runGenerators(module)
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#---------------------------------------------------------------------------
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if __name__ == '__main__':
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run()
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