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1/////////////////////////////////////////////////////////////////////////////
2// Name: _dc.i
3// Purpose: SWIG interface defs for wxDC and releated classes
4//
5// Author: Robin Dunn
6//
7// Created: 7-July-1997
8// RCS-ID: $Id$
9// Copyright: (c) 2003 by Total Control Software
10// Licence: wxWindows license
11/////////////////////////////////////////////////////////////////////////////
12
13// Not a %module
14
15
4942342c 16
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17//---------------------------------------------------------------------------
18
19%{
20#include "wx/wxPython/pydrawxxx.h"
21%}
22
23// TODO: 1. wrappers for wxDrawObject and wxDC::DrawObject
24
25
26//---------------------------------------------------------------------------
27
28%typemap(in) (int points, wxPoint* points_array ) {
29 $2 = wxPoint_LIST_helper($input, &$1);
30 if ($2 == NULL) SWIG_fail;
31}
32%typemap(freearg) (int points, wxPoint* points_array ) {
33 if ($2) delete [] $2;
34}
35
36
37//---------------------------------------------------------------------------
38%newgroup;
39
40
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41DocStr(wxDC,
42"A wx.DC is a device context onto which graphics and text can be
43drawn. It is intended to represent a number of output devices in a
44generic way, so a window can have a device context associated with it,
45and a printer also has a device context. In this way, the same piece
46of code may write to a number of different devices, if the device
47context is used as a parameter.
48
49Derived types of wxDC have documentation for specific features only,
50so refer to this section for most device context information.
51
52The wx.DC class is abstract and can not be instantiated, you must use
53one of the derived classes instead. Which one will depend on the
54situation in which it is used.", "");
55
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56class wxDC : public wxObject {
57public:
58// wxDC(); **** abstract base class, can't instantiate.
59 ~wxDC();
60
61
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62 %pythoncode {
63 %# These have been deprecated in wxWidgets. Since they never
64 %# really did anything to begin with, just make them be NOPs.
65 def BeginDrawing(self): pass
66 def EndDrawing(self): pass
67 }
70794ec5 68
70794ec5 69
22b549f2 70
70794ec5 71// TODO virtual void DrawObject(wxDrawObject* drawobject);
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72
73
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74 DocStr(
75 FloodFill,
76 "Flood fills the device context starting from the given point, using
77the current brush colour, and using a style:
d14a1e28 78
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79 - **wxFLOOD_SURFACE**: the flooding occurs until a colour other than
80 the given colour is encountered.
d14a1e28 81
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82 - **wxFLOOD_BORDER**: the area to be flooded is bounded by the given
83 colour.
d14a1e28 84
70794ec5 85Returns False if the operation failed.
d14a1e28 86
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87Note: The present implementation for non-Windows platforms may fail to
88find colour borders if the pixels do not match the colour
89exactly. However the function will still return true.", "");
d14a1e28 90 bool FloodFill(wxCoord x, wxCoord y, const wxColour& col, int style = wxFLOOD_SURFACE);
1b8c7ba6 91 %Rename(FloodFillPoint, bool, FloodFill(const wxPoint& pt, const wxColour& col, int style = wxFLOOD_SURFACE));
dce2bd22 92
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93 // fill the area specified by rect with a radial gradient, starting from
94 // initialColour in the centre of the cercle and fading to destColour.
95
96 DocDeclStr(
97 void , GradientFillConcentric(const wxRect& rect,
98 const wxColour& initialColour,
99 const wxColour& destColour,
100 const wxPoint& circleCenter),
101 "Fill the area specified by rect with a radial gradient, starting from
102initialColour in the center of the circle and fading to destColour on
103the outside of the circle. The circleCenter argument is the relative
104coordinants of the center of the circle in the specified rect.
105
106Note: Currently this function is very slow, don't use it for real-time
107drawing.", "");
108
109
110 DocDeclStr(
111 void , GradientFillLinear(const wxRect& rect,
112 const wxColour& initialColour,
113 const wxColour& destColour,
114 wxDirection nDirection = wxEAST),
115 "Fill the area specified by rect with a linear gradient, starting from
116initialColour and eventually fading to destColour. The nDirection
117parameter specifies the direction of the colour change, default is to
118use initialColour on the left part of the rectangle and destColour on
119the right side.", "");
120
121
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122
123 DocStr(
124 GetPixel,
125 "Gets the colour at the specified location on the DC.","");
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126 %extend {
127 wxColour GetPixel(wxCoord x, wxCoord y) {
128 wxColour col;
129 self->GetPixel(x, y, &col);
130 return col;
131 }
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132 wxColour GetPixelPoint(const wxPoint& pt) {
133 wxColour col;
134 self->GetPixel(pt, &col);
135 return col;
136 }
d14a1e28 137 }
70794ec5 138
dce2bd22 139
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140 DocStr(
141 DrawLine,
142 "Draws a line from the first point to the second. The current pen is
143used for drawing the line. Note that the second point is *not* part of
144the line and is not drawn by this function (this is consistent with
145the behaviour of many other toolkits).", "");
d14a1e28 146 void DrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
1b8c7ba6 147 %Rename(DrawLinePoint, void, DrawLine(const wxPoint& pt1, const wxPoint& pt2));
dce2bd22 148
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149
150 DocStr(
151 CrossHair,
152 "Displays a cross hair using the current pen. This is a vertical and
153horizontal line the height and width of the window, centred on the
154given point.", "");
d14a1e28 155 void CrossHair(wxCoord x, wxCoord y);
1b8c7ba6 156 %Rename(CrossHairPoint, void, CrossHair(const wxPoint& pt));
dce2bd22 157
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158
159 DocStr(
160 DrawArc,
161 "Draws an arc of a circle, centred on the *center* point (xc, yc), from
162the first point to the second. The current pen is used for the outline
163and the current brush for filling the shape.
164
165The arc is drawn in an anticlockwise direction from the start point to
166the end point.", "");
d14a1e28 167 void DrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc);
1b8c7ba6 168 %Rename(DrawArcPoint, void, DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& center));
dce2bd22 169
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170
171 DocStr(
172 DrawCheckMark,
173 "Draws a check mark inside the given rectangle.", "");
d14a1e28 174 void DrawCheckMark(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
1b8c7ba6 175 %Rename(DrawCheckMarkRect, void, DrawCheckMark(const wxRect& rect));
dce2bd22 176
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177 DocStr(
178 DrawEllipticArc,
179 "Draws an arc of an ellipse, with the given rectangle defining the
180bounds of the ellipse. The current pen is used for drawing the arc and
181the current brush is used for drawing the pie.
182
183The *start* and *end* parameters specify the start and end of the arc
184relative to the three-o'clock position from the center of the
185rectangle. Angles are specified in degrees (360 is a complete
186circle). Positive values mean counter-clockwise motion. If start is
187equal to end, a complete ellipse will be drawn.", "");
188 void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, double start, double end);
1b8c7ba6 189 %Rename(DrawEllipticArcPointSize, void, DrawEllipticArc(const wxPoint& pt, const wxSize& sz, double start, double end));
70794ec5 190
dce2bd22 191
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192 DocStr(
193 DrawPoint,
194 "Draws a point using the current pen.", "");
d14a1e28 195 void DrawPoint(wxCoord x, wxCoord y);
1b8c7ba6 196 %Rename(DrawPointPoint, void, DrawPoint(const wxPoint& pt));
dce2bd22 197
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198
199 DocStr(
200 DrawRectangle,
201 "Draws a rectangle with the given top left corner, and with the given
202size. The current pen is used for the outline and the current brush
203for filling the shape.", "");
d14a1e28 204 void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
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205 %Rename(DrawRectangleRect,void, DrawRectangle(const wxRect& rect));
206 %Rename(DrawRectanglePointSize, void, DrawRectangle(const wxPoint& pt, const wxSize& sz));
dce2bd22 207
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208
209 DocStr(
210 DrawRoundedRectangle,
211 "Draws a rectangle with the given top left corner, and with the given
212size. The corners are quarter-circles using the given radius. The
213current pen is used for the outline and the current brush for filling
214the shape.
215
216If radius is positive, the value is assumed to be the radius of the
217rounded corner. If radius is negative, the absolute value is assumed
218to be the proportion of the smallest dimension of the rectangle. This
219means that the corner can be a sensible size relative to the size of
220the rectangle, and also avoids the strange effects X produces when the
221corners are too big for the rectangle.", "");
d14a1e28 222 void DrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius);
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223 %Rename(DrawRoundedRectangleRect, void, DrawRoundedRectangle(const wxRect& r, double radius));
224 %Rename(DrawRoundedRectanglePointSize, void, DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz, double radius));
dce2bd22 225
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226
227 DocStr(
228 DrawCircle,
229 "Draws a circle with the given center point and radius. The current
230pen is used for the outline and the current brush for filling the
231shape.", "
232
233:see: `DrawEllipse`");
d14a1e28 234 void DrawCircle(wxCoord x, wxCoord y, wxCoord radius);
1b8c7ba6 235 %Rename(DrawCirclePoint, void, DrawCircle(const wxPoint& pt, wxCoord radius));
dce2bd22 236
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237
238 DocStr(
239 DrawEllipse,
240 "Draws an ellipse contained in the specified rectangle. The current pen
241is used for the outline and the current brush for filling the shape.", "
242
243:see: `DrawCircle`");
d14a1e28 244 void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
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245 %Rename(DrawEllipseRect, void, DrawEllipse(const wxRect& rect));
246 %Rename(DrawEllipsePointSize, void, DrawEllipse(const wxPoint& pt, const wxSize& sz));
dce2bd22 247
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248
249 DocStr(
250 DrawIcon,
251 "Draw an icon on the display (does nothing if the device context is
252PostScript). This can be the simplest way of drawing bitmaps on a
253window.", "");
d14a1e28 254 void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
1b8c7ba6 255 %Rename(DrawIconPoint, void, DrawIcon(const wxIcon& icon, const wxPoint& pt));
dce2bd22 256
d14a1e28 257
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258 DocStr(
259 DrawBitmap,
260 "Draw a bitmap on the device context at the specified point. If
261*transparent* is true and the bitmap has a transparency mask, (or
262alpha channel on the platforms that support it) then the bitmap will
263be drawn transparently.", "
4942342c 264
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265When drawing a mono-bitmap, the current text foreground colour will be
266used to draw the foreground of the bitmap (all bits set to 1), and the
267current text background colour to draw the background (all bits set to
2680).
d14a1e28 269
70794ec5 270:see: `SetTextForeground`, `SetTextBackground` and `wx.MemoryDC`");
a72f4631 271 void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask = false);
1b8c7ba6 272 %Rename(DrawBitmapPoint, void, DrawBitmap(const wxBitmap &bmp, const wxPoint& pt, bool useMask = false));
d14a1e28 273
d14a1e28 274
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275 DocStr(
276 DrawText,
277 "Draws a text string at the specified point, using the current text
278font, and the current text foreground and background colours.
d14a1e28 279
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280The coordinates refer to the top-left corner of the rectangle bounding
281the string. See `GetTextExtent` for how to get the dimensions of a
282text string, which can be used to position the text more precisely.
d14a1e28 283
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284**NOTE**: under wxGTK the current logical function is used by this
285function but it is ignored by wxMSW. Thus, you should avoid using
286logical functions with this function in portable programs.", "
d14a1e28 287
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288:see: `DrawRotatedText`");
289 void DrawText(const wxString& text, wxCoord x, wxCoord y);
1b8c7ba6 290 %Rename(DrawTextPoint, void, DrawText(const wxString& text, const wxPoint& pt));
d14a1e28 291
d14a1e28 292
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293 DocStr(
294 DrawRotatedText,
295 "Draws the text rotated by *angle* degrees, if supported by the platform.
d14a1e28 296
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297**NOTE**: Under Win9x only TrueType fonts can be drawn by this
298function. In particular, a font different from ``wx.NORMAL_FONT``
299should be used as the it is not normally a TrueType
300font. ``wx.SWISS_FONT`` is an example of a font which is.","
d14a1e28 301
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302:see: `DrawText`");
303 void DrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
1b8c7ba6 304 %Rename(DrawRotatedTextPoint, void, DrawRotatedText(const wxString& text, const wxPoint& pt, double angle));
d14a1e28 305
d14a1e28 306
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307 DocDeclStr(
308 bool , Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
309 wxDC *source, wxCoord xsrc, wxCoord ysrc,
a72f4631 310 int rop = wxCOPY, bool useMask = false,
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311 wxCoord xsrcMask = -1, wxCoord ysrcMask = -1),
312 "Copy from a source DC to this DC. Parameters specify the destination
313coordinates, size of area to copy, source DC, source coordinates,
314logical function, whether to use a bitmap mask, and mask source
315position.", "
316
317 :param xdest: Destination device context x position.
318 :param ydest: Destination device context y position.
319 :param width: Width of source area to be copied.
320 :param height: Height of source area to be copied.
321 :param source: Source device context.
322 :param xsrc: Source device context x position.
323 :param ysrc: Source device context y position.
324 :param rop: Logical function to use: see `SetLogicalFunction`.
325 :param useMask: If true, Blit does a transparent blit using the mask
326 that is associated with the bitmap selected into the
327 source device context.
328 :param xsrcMask: Source x position on the mask. If both xsrcMask and
329 ysrcMask are -1, xsrc and ysrc will be assumed for
330 the mask source position.
331 :param ysrcMask: Source y position on the mask.
332");
333
334 DocDeclStrName(
335 bool , Blit(const wxPoint& destPt, const wxSize& sz,
336 wxDC *source, const wxPoint& srcPt,
a72f4631 337 int rop = wxCOPY, bool useMask = false,
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338 const wxPoint& srcPtMask = wxDefaultPosition),
339 "Copy from a source DC to this DC. Parameters specify the destination
340coordinates, size of area to copy, source DC, source coordinates,
341logical function, whether to use a bitmap mask, and mask source
342position.", "
343
344 :param destPt: Destination device context position.
345 :param sz: Size of source area to be copied.
346 :param source: Source device context.
347 :param srcPt: Source device context position.
348 :param rop: Logical function to use: see `SetLogicalFunction`.
349 :param useMask: If true, Blit does a transparent blit using the mask
350 that is associated with the bitmap selected into the
351 source device context.
352 :param srcPtMask: Source position on the mask.
353",
354 BlitPointSize);
355
d14a1e28 356
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357 DocStr(
358 SetClippingRegion,
359 "Sets the clipping region for this device context to the intersection
360of the given region described by the parameters of this method and the
361previously set clipping region. You should call `DestroyClippingRegion`
362if you want to set the clipping region exactly to the region
363specified.
4942342c 364
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365The clipping region is an area to which drawing is
366restricted. Possible uses for the clipping region are for clipping
367text or for speeding up window redraws when only a known area of the
368screen is damaged.", "
d14a1e28 369
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370:see: `DestroyClippingRegion`, `wx.Region`");
371 void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
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372 %Rename(SetClippingRegionPointSize, void, SetClippingRegion(const wxPoint& pt, const wxSize& sz));
373 %Rename(SetClippingRegionAsRegion, void, SetClippingRegion(const wxRegion& region));
374 %Rename(SetClippingRect, void, SetClippingRegion(const wxRect& rect));
d7403ad2 375
4942342c 376
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377
378 DocDeclAStr(
379 void , DrawLines(int points, wxPoint* points_array,
380 wxCoord xoffset = 0, wxCoord yoffset = 0),
381 "DrawLines(self, List points, int xoffset=0, int yoffset=0)",
382 "Draws lines using a sequence of `wx.Point` objects, adding the
383optional offset coordinate. The current pen is used for drawing the
384lines.", "");
385
d14a1e28 386
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387 DocDeclAStr(
388 void , DrawPolygon(int points, wxPoint* points_array,
d14a1e28 389 wxCoord xoffset = 0, wxCoord yoffset = 0,
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390 int fillStyle = wxODDEVEN_RULE),
391 "DrawPolygon(self, List points, int xoffset=0, int yoffset=0,
392 int fillStyle=ODDEVEN_RULE)",
393 "Draws a filled polygon using a sequence of `wx.Point` objects, adding
394the optional offset coordinate. The last argument specifies the fill
395rule: ``wx.ODDEVEN_RULE`` (the default) or ``wx.WINDING_RULE``.
396
397The current pen is used for drawing the outline, and the current brush
398for filling the shape. Using a transparent brush suppresses
399filling. Note that wxWidgets automatically closes the first and last
400points.", "");
401
d14a1e28 402
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403 // TODO: Figure out a good typemap for this...
404 // Convert the first 3 args from a sequence of sequences?
405// void DrawPolyPolygon(int n, int count[], wxPoint points[],
406// wxCoord xoffset = 0, wxCoord yoffset = 0,
407// int fillStyle = wxODDEVEN_RULE);
d14a1e28 408
86aafce3 409
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410 DocDeclStr(
411 void , DrawLabel(const wxString& text, const wxRect& rect,
412 int alignment = wxALIGN_LEFT | wxALIGN_TOP,
413 int indexAccel = -1),
414 "Draw *text* within the specified rectangle, abiding by the alignment
415flags. Will additionally emphasize the character at *indexAccel* if
416it is not -1.", "
417
418:see: `DrawImageLabel`");
419
420
d14a1e28 421 %extend {
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422 DocStr(DrawImageLabel,
423 "Draw *text* and an image (which may be ``wx.NullBitmap`` to skip
424drawing it) within the specified rectangle, abiding by the alignment
425flags. Will additionally emphasize the character at *indexAccel* if
426it is not -1. Returns the bounding rectangle.", "");
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427 wxRect DrawImageLabel(const wxString& text,
428 const wxBitmap& image,
429 const wxRect& rect,
430 int alignment = wxALIGN_LEFT | wxALIGN_TOP,
431 int indexAccel = -1) {
432 wxRect rv;
433 self->DrawLabel(text, image, rect, alignment, indexAccel, &rv);
434 return rv;
435 }
436 }
437
438
439
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440 DocDeclAStr(
441 void , DrawSpline(int points, wxPoint* points_array),
442 "DrawSpline(self, List points)",
443 "Draws a spline between all given control points, (a list of `wx.Point`
444objects) using the current pen. The spline is drawn using a series of
445lines, using an algorithm taken from the X drawing program 'XFIG'.", "");
446
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447
448
4942342c 449
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450 // global DC operations
451 // --------------------
452
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453 DocDeclStr(
454 virtual void , Clear(),
455 "Clears the device context using the current background brush.", "");
456
d14a1e28 457
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458 DocDeclStr(
459 virtual bool , StartDoc(const wxString& message),
460 "Starts a document (only relevant when outputting to a
461printer). *Message* is a message to show whilst printing.", "");
462
463 DocDeclStr(
464 virtual void , EndDoc(),
465 "Ends a document (only relevant when outputting to a printer).", "");
466
d14a1e28 467
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468 DocDeclStr(
469 virtual void , StartPage(),
470 "Starts a document page (only relevant when outputting to a printer).", "");
471
472 DocDeclStr(
473 virtual void , EndPage(),
474 "Ends a document page (only relevant when outputting to a printer).", "");
475
d14a1e28 476
4942342c 477
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478 // set objects to use for drawing
479 // ------------------------------
480
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481 DocDeclStr(
482 virtual void , SetFont(const wxFont& font),
483 "Sets the current font for the DC. It must be a valid font, in
484particular you should not pass ``wx.NullFont`` to this method.","
d14a1e28 485
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486:see: `wx.Font`");
487
488 DocDeclStr(
489 virtual void , SetPen(const wxPen& pen),
490 "Sets the current pen for the DC.
4942342c 491
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492If the argument is ``wx.NullPen``, the current pen is selected out of the
493device context, and the original pen restored.", "
d14a1e28 494
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495:see: `wx.Pen`");
496
497 DocDeclStr(
498 virtual void , SetBrush(const wxBrush& brush),
499 "Sets the current brush for the DC.
500
501If the argument is ``wx.NullBrush``, the current brush is selected out
502of the device context, and the original brush restored, allowing the
503current brush to be destroyed safely.","
504
505:see: `wx.Brush`");
506
507 DocDeclStr(
508 virtual void , SetBackground(const wxBrush& brush),
509 "Sets the current background brush for the DC.", "");
510
511 DocDeclStr(
512 virtual void , SetBackgroundMode(int mode),
513 "*mode* may be one of ``wx.SOLID`` and ``wx.TRANSPARENT``. This setting
514determines whether text will be drawn with a background colour or
515not.", "");
516
517 DocDeclStr(
518 virtual void , SetPalette(const wxPalette& palette),
519 "If this is a window DC or memory DC, assigns the given palette to the
520window or bitmap associated with the DC. If the argument is
521``wx.NullPalette``, the current palette is selected out of the device
522context, and the original palette restored.", "
523
524:see: `wx.Palette`");
525
526
527
528 DocDeclStr(
529 virtual void , DestroyClippingRegion(),
530 "Destroys the current clipping region so that none of the DC is
531clipped.", "
532
533:see: `SetClippingRegion`");
534
535
536 DocDeclAStr(
322913ce 537 void, GetClippingBox(wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord *OUTPUT) const,
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538 "GetClippingBox() -> (x, y, width, height)",
539 "Gets the rectangle surrounding the current clipping region.", "");
4942342c 540
d14a1e28 541 %extend {
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542 DocStr(
543 GetClippingRect,
544 "Gets the rectangle surrounding the current clipping region.", "");
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545 wxRect GetClippingRect() {
546 wxRect rect;
547 self->GetClippingBox(rect);
548 return rect;
549 }
550 }
d14a1e28 551
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552
553
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554 // text extent
555 // -----------
556
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557 DocDeclStr(
558 virtual wxCoord , GetCharHeight() const,
559 "Gets the character height of the currently set font.", "");
560
561 DocDeclStr(
562 virtual wxCoord , GetCharWidth() const,
563 "Gets the average character width of the currently set font.", "");
564
d14a1e28 565
d14a1e28 566
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567 DocDeclAStr(
568 void, GetTextExtent(const wxString& string, wxCoord *OUTPUT, wxCoord *OUTPUT),
569 "GetTextExtent(wxString string) -> (width, height)",
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570 "Get the width and height of the text using the current font. Only
571works for single line strings.", "");
572
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573 DocDeclAStrName(
574 void, GetTextExtent(const wxString& string,
4942342c 575 wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord* OUTPUT,
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576 wxFont* font = NULL),
577 "GetFullTextExtent(wxString string, Font font=None) ->\n (width, height, descent, externalLeading)",
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578 "Get the width, height, decent and leading of the text using the
579current or specified font. Only works for single line strings.", "",
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580 GetFullTextExtent);
581
4942342c 582
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583 // works for single as well as multi-line strings
584 DocDeclAStr(
585 void, GetMultiLineTextExtent(const wxString& text,
586 wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord *OUTPUT,
587 wxFont *font = NULL),
25e29eb2 588 "GetMultiLineTextExtent(wxString string, Font font=None) ->\n (width, height, lineHeight)",
67cb8b47 589 "Get the width, height, and line height of the text using the
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590current or specified font. Works for single as well as multi-line
591strings.", "");
322913ce 592
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593
594 %extend {
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595 DocAStr(GetPartialTextExtents,
596 "GetPartialTextExtents(self, text) -> [widths]",
597 "Returns a list of integers such that each value is the distance in
598pixels from the begining of text to the coresponding character of
599*text*. The generic version simply builds a running total of the widths
600of each character using GetTextExtent, however if the various
601platforms have a native API function that is faster or more accurate
43e8916f 602than the generic implementation then it will be used instead.", "");
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603 wxArrayInt GetPartialTextExtents(const wxString& text) {
604 wxArrayInt widths;
605 self->GetPartialTextExtents(text, widths);
606 return widths;
607 }
608 }
609
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610
611 // size and resolution
612 // -------------------
613
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614 DocStr(
615 GetSize,
616 "This gets the horizontal and vertical resolution in device units. It
617can be used to scale graphics to fit the page. For example, if *maxX*
618and *maxY* represent the maximum horizontal and vertical 'pixel' values
619used in your application, the following code will scale the graphic to
620fit on the printer page::
621
622 w, h = dc.GetSize()
623 scaleX = maxX*1.0 / w
624 scaleY = maxY*1.0 / h
625 dc.SetUserScale(min(scaleX,scaleY),min(scaleX,scaleY))
626", "");
d14a1e28 627 wxSize GetSize();
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628 DocDeclAName(
629 void, GetSize( int *OUTPUT, int *OUTPUT ),
630 "GetSizeTuple() -> (width, height)",
631 GetSizeTuple);
4942342c 632
d14a1e28 633
d07d2bc9 634 DocStr(GetSizeMM, "Get the DC size in milimeters.", "");
d14a1e28 635 wxSize GetSizeMM() const;
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636 DocDeclAName(
637 void, GetSizeMM( int *OUTPUT, int *OUTPUT ) const,
638 "GetSizeMMTuple() -> (width, height)",
639 GetSizeMMTuple);
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640
641
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642
643 // coordinates conversions
644 // -----------------------
645
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646 DocDeclStr(
647 wxCoord , DeviceToLogicalX(wxCoord x) const,
648 "Convert device X coordinate to logical coordinate, using the current
649mapping mode.", "");
650
651 DocDeclStr(
652 wxCoord , DeviceToLogicalY(wxCoord y) const,
653 "Converts device Y coordinate to logical coordinate, using the current
654mapping mode.", "");
655
656 DocDeclStr(
657 wxCoord , DeviceToLogicalXRel(wxCoord x) const,
658 "Convert device X coordinate to relative logical coordinate, using the
659current mapping mode but ignoring the x axis orientation. Use this
660function for converting a width, for example.", "");
661
662 DocDeclStr(
663 wxCoord , DeviceToLogicalYRel(wxCoord y) const,
664 "Convert device Y coordinate to relative logical coordinate, using the
665current mapping mode but ignoring the y axis orientation. Use this
666function for converting a height, for example.", "");
667
668 DocDeclStr(
669 wxCoord , LogicalToDeviceX(wxCoord x) const,
670 "Converts logical X coordinate to device coordinate, using the current
671mapping mode.", "");
672
673 DocDeclStr(
674 wxCoord , LogicalToDeviceY(wxCoord y) const,
675 "Converts logical Y coordinate to device coordinate, using the current
676mapping mode.", "");
677
678 DocDeclStr(
679 wxCoord , LogicalToDeviceXRel(wxCoord x) const,
680 "Converts logical X coordinate to relative device coordinate, using the
681current mapping mode but ignoring the x axis orientation. Use this for
682converting a width, for example.", "");
683
684 DocDeclStr(
685 wxCoord , LogicalToDeviceYRel(wxCoord y) const,
686 "Converts logical Y coordinate to relative device coordinate, using the
687current mapping mode but ignoring the y axis orientation. Use this for
688converting a height, for example.", "");
689
d14a1e28 690
70794ec5 691
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692 // query DC capabilities
693 // ---------------------
694
695 virtual bool CanDrawBitmap() const;
696 virtual bool CanGetTextExtent() const;
697
d14a1e28 698
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699 DocDeclStr(
700 virtual int , GetDepth() const,
701 "Returns the colour depth of the DC.", "");
702
d14a1e28 703
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704 DocDeclStr(
705 virtual wxSize , GetPPI() const,
361b8ff7 706 "Resolution in pixels per inch", "");
70794ec5 707
d14a1e28 708
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709 DocDeclStr(
710 virtual bool , Ok() const,
711 "Returns true if the DC is ok to use.", "");
712
4942342c 713
d14a1e28 714
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715 DocDeclStr(
716 int , GetBackgroundMode() const,
717 "Returns the current background mode, either ``wx.SOLID`` or
718``wx.TRANSPARENT``.","
d14a1e28 719
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720:see: `SetBackgroundMode`");
721
722 DocDeclStr(
723 const wxBrush& , GetBackground() const,
724 "Gets the brush used for painting the background.","
d14a1e28 725
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726:see: `SetBackground`");
727
728 DocDeclStr(
729 const wxBrush& , GetBrush() const,
730 "Gets the current brush", "");
731
732 DocDeclStr(
733 const wxFont& , GetFont() const,
734 "Gets the current font", "");
735
736 DocDeclStr(
737 const wxPen& , GetPen() const,
738 "Gets the current pen", "");
739
740 DocDeclStr(
741 const wxColour& , GetTextBackground() const,
742 "Gets the current text background colour", "");
743
744 DocDeclStr(
745 const wxColour& , GetTextForeground() const,
746 "Gets the current text foreground colour", "");
747
d14a1e28 748
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749 DocDeclStr(
750 virtual void , SetTextForeground(const wxColour& colour),
751 "Sets the current text foreground colour for the DC.", "");
752
753 DocDeclStr(
754 virtual void , SetTextBackground(const wxColour& colour),
755 "Sets the current text background colour for the DC.", "");
756
4942342c 757
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758 DocDeclStr(
759 int , GetMapMode() const,
760 "Gets the current *mapping mode* for the device context ", "");
761
762 DocDeclStr(
763 virtual void , SetMapMode(int mode),
764 "The *mapping mode* of the device context defines the unit of
765measurement used to convert logical units to device units. The
766mapping mode can be one of the following:
767
768 ================ =============================================
769 wx.MM_TWIPS Each logical unit is 1/20 of a point, or 1/1440
770 of an inch.
771 wx.MM_POINTS Each logical unit is a point, or 1/72 of an inch.
772 wx.MM_METRIC Each logical unit is 1 mm.
773 wx.MM_LOMETRIC Each logical unit is 1/10 of a mm.
774 wx.MM_TEXT Each logical unit is 1 pixel.
775 ================ =============================================
776","
777Note that in X, text drawing isn't handled consistently with the
778mapping mode; a font is always specified in point size. However,
779setting the user scale (see `SetUserScale`) scales the text
780appropriately. In Windows, scalable TrueType fonts are always used; in
781X, results depend on availability of fonts, but usually a reasonable
782match is found.
783
784The coordinate origin is always at the top left of the screen/printer.
785
786Drawing to a Windows printer device context uses the current mapping
787mode, but mapping mode is currently ignored for PostScript output.
788");
789
790
791
792 DocDeclAStr(
322913ce 793 virtual void, GetUserScale(double *OUTPUT, double *OUTPUT) const,
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794 "GetUserScale(self) -> (xScale, yScale)",
795 "Gets the current user scale factor (set by `SetUserScale`).", "");
4942342c 796
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797 DocDeclStr(
798 virtual void , SetUserScale(double x, double y),
799 "Sets the user scaling factor, useful for applications which require
800'zooming'.", "");
801
d14a1e28 802
4942342c 803
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804 DocDeclA(
805 virtual void, GetLogicalScale(double *OUTPUT, double *OUTPUT),
806 "GetLogicalScale() -> (xScale, yScale)");
807
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808 virtual void SetLogicalScale(double x, double y);
809
322913ce 810
d14a1e28 811 wxPoint GetLogicalOrigin() const;
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812 DocDeclAName(
813 void, GetLogicalOrigin(wxCoord *OUTPUT, wxCoord *OUTPUT) const,
814 "GetLogicalOriginTuple() -> (x,y)",
815 GetLogicalOriginTuple);
4942342c 816
d14a1e28 817 virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
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818 %extend {
819 void SetLogicalOriginPoint(const wxPoint& point) {
820 self->SetLogicalOrigin(point.x, point.y);
821 }
822 }
d14a1e28 823
d7403ad2 824
d14a1e28 825 wxPoint GetDeviceOrigin() const;
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826 DocDeclAName(
827 void, GetDeviceOrigin(wxCoord *OUTPUT, wxCoord *OUTPUT) const,
828 "GetDeviceOriginTuple() -> (x,y)",
829 GetDeviceOriginTuple);
4942342c 830
d14a1e28 831 virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
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832 %extend {
833 void SetDeviceOriginPoint(const wxPoint& point) {
834 self->SetDeviceOrigin(point.x, point.y);
835 }
836 }
d14a1e28 837
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838 DocDeclStr(
839 virtual void , SetAxisOrientation(bool xLeftRight, bool yBottomUp),
840 "Sets the x and y axis orientation (i.e., the direction from lowest to
841highest values on the axis). The default orientation is the natural
842orientation, e.g. x axis from left to right and y axis from bottom up.", "");
3350d652 843
d14a1e28 844
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845 DocDeclStr(
846 int , GetLogicalFunction() const,
847 "Gets the current logical function (set by `SetLogicalFunction`).", "");
848
849 DocDeclStr(
850 virtual void , SetLogicalFunction(int function),
851 "Sets the current logical function for the device context. This
852determines how a source pixel (from a pen or brush colour, or source
853device context if using `Blit`) combines with a destination pixel in
854the current device context.
855
856The possible values and their meaning in terms of source and
857destination pixel values are as follows:
858
859 ================ ==========================
860 wx.AND src AND dst
861 wx.AND_INVERT (NOT src) AND dst
862 wx.AND_REVERSE src AND (NOT dst)
863 wx.CLEAR 0
864 wx.COPY src
865 wx.EQUIV (NOT src) XOR dst
866 wx.INVERT NOT dst
867 wx.NAND (NOT src) OR (NOT dst)
868 wx.NOR (NOT src) AND (NOT dst)
869 wx.NO_OP dst
870 wx.OR src OR dst
871 wx.OR_INVERT (NOT src) OR dst
872 wx.OR_REVERSE src OR (NOT dst)
873 wx.SET 1
874 wx.SRC_INVERT NOT src
875 wx.XOR src XOR dst
876 ================ ==========================
877
878The default is wx.COPY, which simply draws with the current
879colour. The others combine the current colour and the background using
880a logical operation. wx.INVERT is commonly used for drawing rubber
881bands or moving outlines, since drawing twice reverts to the original
882colour.
883", "");
884
d14a1e28 885
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886 DocDeclStr(
887 void , ComputeScaleAndOrigin(),
888 "Performs all necessary computations for given platform and context
889type after each change of scale and origin parameters. Usually called
890automatically internally after such changes.
891", "");
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892
893
894
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895// DocDeclStr(
896// virtual void , SetOptimization(bool optimize),
897// "If *optimize* is true this function sets optimization mode on. This
898// currently means that under X, the device context will not try to set a
899// pen or brush property if it is known to be set already. This approach
900// can fall down if non-wxWidgets code is using the same device context
901// or window, for example when the window is a panel on which the
902// windowing system draws panel items. The wxWidgets device context
903// 'memory' will now be out of step with reality.
904
905// Setting optimization off, drawing, then setting it back on again, is a
906// trick that must occasionally be employed.", "");
907
908// DocDeclStr(
909// virtual bool , GetOptimization(),
910// "Returns true if device context optimization is on. See
911// `SetOptimization` for details.", "");
912
913 %pythoncode {
914 def SetOptimization(self, optimize):
915 pass
916 def GetOptimization(self):
917 return False
918
919 SetOptimization = wx._deprecated(SetOptimization)
920 GetOptimization = wx._deprecated(GetOptimization)
921 }
70794ec5 922
70794ec5 923
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924 // bounding box
925 // ------------
926
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927 DocDeclStr(
928 virtual void , CalcBoundingBox(wxCoord x, wxCoord y),
929 "Adds the specified point to the bounding box which can be retrieved
930with `MinX`, `MaxX` and `MinY`, `MaxY` or `GetBoundingBox` functions.", "");
931
d7403ad2 932 %extend {
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933 DocStr(CalcBoundingBoxPoint,
934 "Adds the specified point to the bounding box which can be retrieved
935with `MinX`, `MaxX` and `MinY`, `MaxY` or `GetBoundingBox` functions.","");
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936 void CalcBoundingBoxPoint(const wxPoint& point) {
937 self->CalcBoundingBox(point.x, point.y);
938 }
939 }
940
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941 DocDeclStr(
942 void , ResetBoundingBox(),
943 "Resets the bounding box: after a call to this function, the bounding
944box doesn't contain anything.", "");
945
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946
947 // Get the final bounding box of the PostScript or Metafile picture.
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948 DocDeclStr(
949 wxCoord , MinX() const,
950 "Gets the minimum horizontal extent used in drawing commands so far.", "");
951
952 DocDeclStr(
953 wxCoord , MaxX() const,
954 "Gets the maximum horizontal extent used in drawing commands so far.", "");
955
956 DocDeclStr(
957 wxCoord , MinY() const,
958 "Gets the minimum vertical extent used in drawing commands so far.", "");
959
960 DocDeclStr(
961 wxCoord , MaxY() const,
962 "Gets the maximum vertical extent used in drawing commands so far.", "");
963
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964
965
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966 DocAStr(GetBoundingBox,
967 "GetBoundingBox() -> (x1,y1, x2,y2)",
968 "Returns the min and max points used in drawing commands so far.", "");
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969 %extend {
970 void GetBoundingBox(int* OUTPUT, int* OUTPUT, int* OUTPUT, int* OUTPUT);
971 // See below for implementation
4942342c 972 }
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974 %pythoncode { def __nonzero__(self): return self.Ok() };
975
976
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977#ifdef __WXMSW__
978 long GetHDC();
979#endif
980
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981
982 %extend { // See drawlist.cpp for impplementaion of these...
983 PyObject* _DrawPointList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
984 {
985 return wxPyDrawXXXList(*self, wxPyDrawXXXPoint, pyCoords, pyPens, pyBrushes);
986 }
987
988 PyObject* _DrawLineList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
989 {
990 return wxPyDrawXXXList(*self, wxPyDrawXXXLine, pyCoords, pyPens, pyBrushes);
991 }
992
993 PyObject* _DrawRectangleList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
994 {
995 return wxPyDrawXXXList(*self, wxPyDrawXXXRectangle, pyCoords, pyPens, pyBrushes);
996 }
997
998 PyObject* _DrawEllipseList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
999 {
1000 return wxPyDrawXXXList(*self, wxPyDrawXXXEllipse, pyCoords, pyPens, pyBrushes);
1001 }
1002
1003 PyObject* _DrawPolygonList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
1004 {
1005 return wxPyDrawXXXList(*self, wxPyDrawXXXPolygon, pyCoords, pyPens, pyBrushes);
1006 }
1007
1008 PyObject* _DrawTextList(PyObject* textList, PyObject* pyPoints,
1009 PyObject* foregroundList, PyObject* backgroundList) {
1010 return wxPyDrawTextList(*self, textList, pyPoints, foregroundList, backgroundList);
1011 }
1012 }
1013
1014 %pythoncode {
1015 def DrawPointList(self, points, pens=None):
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1016 """
1017 Draw a list of points as quickly as possible.
1018
1019 :param points: A sequence of 2-element sequences representing
1020 each point to draw, (x,y).
1021 :param pens: If None, then the current pen is used. If a
1022 single pen then it will be used for all points. If
1023 a list of pens then there should be one for each point
1024 in points.
1025 """
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1026 if pens is None:
1027 pens = []
1028 elif isinstance(pens, wx.Pen):
1029 pens = [pens]
1030 elif len(pens) != len(points):
1031 raise ValueError('points and pens must have same length')
1032 return self._DrawPointList(points, pens, [])
1033
1034
1035 def DrawLineList(self, lines, pens=None):
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1036 """
1037 Draw a list of lines as quickly as possible.
1038
1039 :param lines: A sequence of 4-element sequences representing
1040 each line to draw, (x1,y1, x2,y2).
1041 :param pens: If None, then the current pen is used. If a
1042 single pen then it will be used for all lines. If
1043 a list of pens then there should be one for each line
1044 in lines.
1045 """
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1046 if pens is None:
1047 pens = []
1048 elif isinstance(pens, wx.Pen):
1049 pens = [pens]
1050 elif len(pens) != len(lines):
1051 raise ValueError('lines and pens must have same length')
1052 return self._DrawLineList(lines, pens, [])
1053
1054
1055 def DrawRectangleList(self, rectangles, pens=None, brushes=None):
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1056 """
1057 Draw a list of rectangles as quickly as possible.
1058
1059 :param rectangles: A sequence of 4-element sequences representing
1060 each rectangle to draw, (x,y, w,h).
1061 :param pens: If None, then the current pen is used. If a
1062 single pen then it will be used for all rectangles.
1063 If a list of pens then there should be one for each
1064 rectangle in rectangles.
1065 :param brushes: A brush or brushes to be used to fill the rectagles,
1066 with similar semantics as the pens parameter.
1067 """
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1068 if pens is None:
1069 pens = []
1070 elif isinstance(pens, wx.Pen):
1071 pens = [pens]
1072 elif len(pens) != len(rectangles):
1073 raise ValueError('rectangles and pens must have same length')
1074 if brushes is None:
1075 brushes = []
1076 elif isinstance(brushes, wx.Brush):
1077 brushes = [brushes]
1078 elif len(brushes) != len(rectangles):
1079 raise ValueError('rectangles and brushes must have same length')
1080 return self._DrawRectangleList(rectangles, pens, brushes)
1081
1082
1083 def DrawEllipseList(self, ellipses, pens=None, brushes=None):
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1084 """
1085 Draw a list of ellipses as quickly as possible.
1086
1087 :param ellipses: A sequence of 4-element sequences representing
1088 each ellipse to draw, (x,y, w,h).
1089 :param pens: If None, then the current pen is used. If a
1090 single pen then it will be used for all ellipses.
1091 If a list of pens then there should be one for each
1092 ellipse in ellipses.
1093 :param brushes: A brush or brushes to be used to fill the ellipses,
1094 with similar semantics as the pens parameter.
1095 """
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1096 if pens is None:
1097 pens = []
1098 elif isinstance(pens, wx.Pen):
1099 pens = [pens]
1100 elif len(pens) != len(ellipses):
1101 raise ValueError('ellipses and pens must have same length')
1102 if brushes is None:
1103 brushes = []
1104 elif isinstance(brushes, wx.Brush):
1105 brushes = [brushes]
1106 elif len(brushes) != len(ellipses):
1107 raise ValueError('ellipses and brushes must have same length')
1108 return self._DrawEllipseList(ellipses, pens, brushes)
1109
1110
1111 def DrawPolygonList(self, polygons, pens=None, brushes=None):
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1112 """
1113 Draw a list of polygons, each of which is a list of points.
1114
1115 :param polygons: A sequence of sequences of sequences.
1116 [[(x1,y1),(x2,y2),(x3,y3)...],
1117 [(x1,y1),(x2,y2),(x3,y3)...]]
1118
1119 :param pens: If None, then the current pen is used. If a
1120 single pen then it will be used for all polygons.
1121 If a list of pens then there should be one for each
1122 polygon.
1123 :param brushes: A brush or brushes to be used to fill the polygons,
1124 with similar semantics as the pens parameter.
1125 """
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1126 if pens is None:
1127 pens = []
1128 elif isinstance(pens, wx.Pen):
1129 pens = [pens]
1130 elif len(pens) != len(polygons):
1131 raise ValueError('polygons and pens must have same length')
1132 if brushes is None:
1133 brushes = []
1134 elif isinstance(brushes, wx.Brush):
1135 brushes = [brushes]
1136 elif len(brushes) != len(polygons):
1137 raise ValueError('polygons and brushes must have same length')
1138 return self._DrawPolygonList(polygons, pens, brushes)
1139
1140
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1141 def DrawTextList(self, textList, coords, foregrounds = None, backgrounds = None):
1142 """
1143 Draw a list of strings using a list of coordinants for positioning each string.
1144
1145 :param textList: A list of strings
1146 :param coords: A list of (x,y) positions
1147 :param foregrounds: A list of `wx.Colour` objects to use for the
1148 foregrounds of the strings.
1149 :param backgrounds: A list of `wx.Colour` objects to use for the
1150 backgrounds of the strings.
1151
1152 NOTE: Make sure you set Background mode to wx.Solid (DC.SetBackgroundMode)
1153 If you want backgrounds to do anything.
1154 """
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1155 if type(textList) == type(''):
1156 textList = [textList]
1157 elif len(textList) != len(coords):
1158 raise ValueError('textlist and coords must have same length')
1159 if foregrounds is None:
1160 foregrounds = []
fd3f2efe 1161 elif isinstance(foregrounds, wx.Colour):
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1162 foregrounds = [foregrounds]
1163 elif len(foregrounds) != len(coords):
1164 raise ValueError('foregrounds and coords must have same length')
1165 if backgrounds is None:
1166 backgrounds = []
fd3f2efe 1167 elif isinstance(backgrounds, wx.Colour):
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1168 backgrounds = [backgrounds]
1169 elif len(backgrounds) != len(coords):
1170 raise ValueError('backgrounds and coords must have same length')
1171 return self._DrawTextList(textList, coords, foregrounds, backgrounds)
1172 }
1173
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1174 %property(Background, GetBackground, SetBackground, doc="See `GetBackground` and `SetBackground`");
1175 %property(BackgroundMode, GetBackgroundMode, SetBackgroundMode, doc="See `GetBackgroundMode` and `SetBackgroundMode`");
1176 %property(BoundingBox, GetBoundingBox, doc="See `GetBoundingBox`");
1177 %property(Brush, GetBrush, SetBrush, doc="See `GetBrush` and `SetBrush`");
1178 %property(CharHeight, GetCharHeight, doc="See `GetCharHeight`");
1179 %property(CharWidth, GetCharWidth, doc="See `GetCharWidth`");
1180 %property(ClippingBox, GetClippingBox, doc="See `GetClippingBox`");
1181 %property(ClippingRect, GetClippingRect, SetClippingRect, doc="See `GetClippingRect` and `SetClippingRect`");
1182 %property(Depth, GetDepth, doc="See `GetDepth`");
1183 %property(DeviceOrigin, GetDeviceOrigin, SetDeviceOrigin, doc="See `GetDeviceOrigin` and `SetDeviceOrigin`");
1184 %property(Font, GetFont, SetFont, doc="See `GetFont` and `SetFont`");
1185 %property(FullTextExtent, GetFullTextExtent, doc="See `GetFullTextExtent`");
1186 %property(LogicalFunction, GetLogicalFunction, SetLogicalFunction, doc="See `GetLogicalFunction` and `SetLogicalFunction`");
1187 %property(LogicalOrigin, GetLogicalOrigin, SetLogicalOrigin, doc="See `GetLogicalOrigin` and `SetLogicalOrigin`");
1188 %property(LogicalScale, GetLogicalScale, SetLogicalScale, doc="See `GetLogicalScale` and `SetLogicalScale`");
1189 %property(MapMode, GetMapMode, SetMapMode, doc="See `GetMapMode` and `SetMapMode`");
1190 %property(MultiLineTextExtent, GetMultiLineTextExtent, doc="See `GetMultiLineTextExtent`");
1191 %property(Optimization, GetOptimization, SetOptimization, doc="See `GetOptimization` and `SetOptimization`");
1192 %property(PPI, GetPPI, doc="See `GetPPI`");
1193 %property(PartialTextExtents, GetPartialTextExtents, doc="See `GetPartialTextExtents`");
1194 %property(Pen, GetPen, SetPen, doc="See `GetPen` and `SetPen`");
1195 %property(Pixel, GetPixel, doc="See `GetPixel`");
1196 %property(PixelPoint, GetPixelPoint, doc="See `GetPixelPoint`");
1197 %property(Size, GetSize, doc="See `GetSize`");
1198 %property(SizeMM, GetSizeMM, doc="See `GetSizeMM`");
1199 %property(TextBackground, GetTextBackground, SetTextBackground, doc="See `GetTextBackground` and `SetTextBackground`");
1200 %property(TextExtent, GetTextExtent, doc="See `GetTextExtent`");
1201 %property(TextForeground, GetTextForeground, SetTextForeground, doc="See `GetTextForeground` and `SetTextForeground`");
1202 %property(UserScale, GetUserScale, SetUserScale, doc="See `GetUserScale` and `SetUserScale`");
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1203};
1204
1205
1206
1207%{
1208static void wxDC_GetBoundingBox(wxDC* dc, int* x1, int* y1, int* x2, int* y2) {
1209 *x1 = dc->MinX();
1210 *y1 = dc->MinY();
1211 *x2 = dc->MaxX();
1212 *y2 = dc->MaxY();
1213}
1214%}
1215
1216
1217//---------------------------------------------------------------------------
1218%newgroup
1219
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1220MustHaveApp(wxMemoryDC);
1221
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1222DocStr(wxMemoryDC,
1223"A memory device context provides a means to draw graphics onto a
1224bitmap. A bitmap must be selected into the new memory DC before it may
1225be used for anything. Typical usage is as follows::
1226
1227 dc = wx.MemoryDC()
1228 dc.SelectObject(bitmap)
1229 # draw on the dc usign any of the Draw methods
1230 dc.SelectObject(wx.NullBitmap)
1231 # the bitmap now contains wahtever was drawn upon it
1232
1233Note that the memory DC *must* be deleted (or the bitmap selected out
1234of it) before a bitmap can be reselected into another memory DC.
1235", "");
1236
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1237class wxMemoryDC : public wxDC {
1238public:
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1239 DocCtorStr(
1240 wxMemoryDC(),
1241 "Constructs a new memory device context.
1242
1243Use the Ok member to test whether the constructor was successful in
1244creating a usable device context. Don't forget to select a bitmap into
1245the DC before drawing on it.", "
4942342c 1246
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1247:see: `MemoryDCFromDC`");
1248
1249 DocCtorStrName(
1250 wxMemoryDC(wxDC* oldDC),
1251 "Creates a DC that is compatible with the oldDC.", "",
1252 MemoryDCFromDC);
1253
1254
1255 DocDeclStr(
1256 void , SelectObject(const wxBitmap& bitmap),
1257 "Selects the bitmap into the device context, to use as the memory
1258bitmap. Selecting the bitmap into a memory DC allows you to draw into
1259the DC, and therefore the bitmap, and also to use Blit to copy the
1260bitmap to a window.
1261
1262If the argument is wx.NullBitmap (or some other uninitialised
1263`wx.Bitmap`) the current bitmap is selected out of the device context,
1264and the original bitmap restored, allowing the current bitmap to be
1265destroyed safely.", "");
1266
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1267};
1268
1269//---------------------------------------------------------------------------
1270%newgroup
1271
b159c5c4 1272
ef22e3d3 1273%{
ef22e3d3 1274#include <wx/dcbuffer.h>
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1275%}
1276
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1277enum {
1278 wxBUFFER_VIRTUAL_AREA,
1279 wxBUFFER_CLIENT_AREA
1280};
ef22e3d3 1281
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1282MustHaveApp(wxBufferedDC);
1283
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1284DocStr(wxBufferedDC,
1285"This simple class provides a simple way to avoid flicker: when drawing
1286on it, everything is in fact first drawn on an in-memory buffer (a
1287`wx.Bitmap`) and then copied to the screen only once, when this object
1288is destroyed.
1289
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1290It can be used in the same way as any other device context.
1291wx.BufferedDC itself typically replaces `wx.ClientDC`, if you want to
1292use it in your EVT_PAINT handler, you should look at
70794ec5 1293`wx.BufferedPaintDC`.
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1294
1295Please note that GTK+ 2.0 and OS X provide double buffering themselves
1296natively so using this class on those platforms will normally result
1297in an unneeded level of buffering.
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1298", "");
1299
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1300class wxBufferedDC : public wxMemoryDC
1301{
1302public:
e608d228 1303 %pythonAppend wxBufferedDC
70794ec5 1304 "self.__dc = args[0] # save a ref so the other dc will not be deleted before self";
1b8c7ba6 1305
b159c5c4 1306 %nokwargs wxBufferedDC;
d14a1e28 1307
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1308 DocStr(
1309 wxBufferedDC,
1310 "Constructs a buffered DC.", "
1311
1312 :param dc: The underlying DC: everything drawn to this object will
1313 be flushed to this DC when this object is destroyed. You may
1314 pass ``None`` in order to just initialize the buffer, and not
1315 flush it.
1316
1317 :param buffer: If a `wx.Size` object is passed as the 2nd arg then
1318 it is the size of the bitmap that will be created internally
1319 and used for an implicit buffer. If the 2nd arg is a
1320 `wx.Bitmap` then it is the explicit buffer that will be
1321 used. Using an explicit buffer is the most efficient solution
1322 as the bitmap doesn't have to be recreated each time but it
1323 also requires more memory as the bitmap is never freed. The
1324 bitmap should have appropriate size, anything drawn outside of
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1325 its bounds is clipped. If wx.NullBitmap is used then a new
1326 buffer will be allocated that is the same size as the dc.
b159c5c4 1327
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1328 :param style: The style parameter indicates whether the supplied buffer is
1329 intended to cover the entire virtual size of a `wx.ScrolledWindow` or
1330 if it only covers the client area. Acceptable values are
1331 ``wx.BUFFER_VIRTUAL_AREA`` and ``wx.BUFFER_CLIENT_AREA``.
1332
1333");
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1334 wxBufferedDC( wxDC* dc,
1335 const wxBitmap& buffer=wxNullBitmap,
1336 int style = wxBUFFER_CLIENT_AREA );
1337 wxBufferedDC( wxDC* dc,
1338 const wxSize& area,
1339 int style = wxBUFFER_CLIENT_AREA );
7a0b15e9 1340
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1341 DocCtorStr(
1342 ~wxBufferedDC(),
1343 "Copies everything drawn on the DC so far to the underlying DC
1344associated with this object, if any.", "");
1345
4a065572 1346
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1347 DocDeclStr(
1348 void , UnMask(),
1349 "Blits the buffer to the dc, and detaches the dc from the buffer (so it
1350can be effectively used once only). This is usually only called in
1351the destructor.", "");
e608d228 1352
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1353};
1354
1355
7a0b15e9 1356
70794ec5 1357
ab1f7d2a 1358MustHaveApp(wxBufferedPaintDC);
7a0b15e9 1359
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1360DocStr(wxBufferedPaintDC,
1361"This is a subclass of `wx.BufferedDC` which can be used inside of an
1362EVT_PAINT event handler. Just create an object of this class instead
1363of `wx.PaintDC` and that's all you have to do to (mostly) avoid
1364flicker. The only thing to watch out for is that if you are using this
1365class together with `wx.ScrolledWindow`, you probably do **not** want
1366to call `wx.Window.PrepareDC` on it as it already does this internally
1367for the real underlying `wx.PaintDC`.
1368
1369If your window is already fully buffered in a `wx.Bitmap` then your
1370EVT_PAINT handler can be as simple as just creating a
1371``wx.BufferedPaintDC`` as it will `Blit` the buffer to the window
1372automatically when it is destroyed. For example::
1373
1374 def OnPaint(self, event):
1375 dc = wx.BufferedPaintDC(self, self.buffer)
1376
1377
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1378
1379
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1380", "");
1381
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1382class wxBufferedPaintDC : public wxBufferedDC
1383{
1384public:
b159c5c4 1385
70794ec5 1386 DocCtorStr(
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1387 wxBufferedPaintDC( wxWindow *window,
1388 const wxBitmap &buffer = wxNullBitmap,
1389 int style = wxBUFFER_CLIENT_AREA),
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1390 "Create a buffered paint DC. As with `wx.BufferedDC`, you may either
1391provide the bitmap to be used for buffering or let this object create
1392one internally (in the latter case, the size of the client part of the
1393window is automatically used).
1394
1395", "");
b159c5c4 1396
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1397};
1398
1399
1400//---------------------------------------------------------------------------
1401%newgroup
1402
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1403MustHaveApp(wxScreenDC);
1404
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1405DocStr(wxScreenDC,
1406"A wxScreenDC can be used to paint anywhere on the screen. This should
1407normally be constructed as a temporary stack object; don't store a
1408wxScreenDC object.
1409", "");
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1410class wxScreenDC : public wxDC {
1411public:
1412 wxScreenDC();
1413
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1414 DocDeclStrName(
1415 bool , StartDrawingOnTop(wxWindow* window),
1416 "Specify that the area of the screen to be drawn upon coincides with
1417the given window.
1418
1419:see: `EndDrawingOnTop`", "",
1420 StartDrawingOnTopWin);
1421
1422
1423 DocDeclStr(
1424 bool , StartDrawingOnTop(wxRect* rect = NULL),
1425 "Specify that the area is the given rectangle, or the whole screen if
1426``None`` is passed.
1427
1428:see: `EndDrawingOnTop`", "");
1429
1430
1431 DocDeclStr(
1432 bool , EndDrawingOnTop(),
1433 "Use this in conjunction with `StartDrawingOnTop` or
1434`StartDrawingOnTopWin` to ensure that drawing to the screen occurs on
1435top of existing windows. Without this, some window systems (such as X)
1436only allow drawing to take place underneath other windows.
1437
1438You might use this pair of functions when implementing a drag feature,
1439for example as in the `wx.SplitterWindow` implementation.
1440
1441These functions are probably obsolete since the X implementations
1442allow drawing directly on the screen now. However, the fact that this
1443function allows the screen to be refreshed afterwards may be useful
1444to some applications.", "");
1445
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1446};
1447
1448//---------------------------------------------------------------------------
1449%newgroup
1450
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1451MustHaveApp(wxWindowDC);
1452
1453DocStr(wxWindowDC,
1454 "A wx.WindowDC must be constructed if an application wishes to paint on
1455the whole area of a window (client and decorations). This should
1456normally be constructed as a temporary stack object; don't store a
1457wx.WindowDC object.","");
1458class wxWindowDC : public wxDC {
1459public:
1460 DocCtorStr(
1461 wxWindowDC(wxWindow* win),
1462 "Constructor. Pass the window on which you wish to paint.","");
1463};
1464
1465//---------------------------------------------------------------------------
1466%newgroup
1467
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1468MustHaveApp(wxClientDC);
1469
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1470DocStr(wxClientDC,
1471"A wx.ClientDC must be constructed if an application wishes to paint on
1472the client area of a window from outside an EVT_PAINT event. This should
1473normally be constructed as a temporary stack object; don't store a
1474wx.ClientDC object long term.
1475
1476To draw on a window from within an EVT_PAINT handler, construct a
1477`wx.PaintDC` object.
1478
1479To draw on the whole window including decorations, construct a
1480`wx.WindowDC` object (Windows only).
1481", "");
205d49f7 1482class wxClientDC : public wxWindowDC {
d14a1e28 1483public:
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1484 DocCtorStr(
1485 wxClientDC(wxWindow* win),
1486 "Constructor. Pass the window on which you wish to paint.", "");
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1487};
1488
1489//---------------------------------------------------------------------------
1490%newgroup
1491
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1492MustHaveApp(wxPaintDC);
1493
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1494DocStr(wxPaintDC,
1495"A wx.PaintDC must be constructed if an application wishes to paint on
1496the client area of a window from within an EVT_PAINT event
1497handler. This should normally be constructed as a temporary stack
1498object; don't store a wx.PaintDC object. If you have an EVT_PAINT
1499handler, you **must** create a wx.PaintDC object within it even if you
1500don't actually use it.
1501
1502Using wx.PaintDC within EVT_PAINT handlers is important because it
1503automatically sets the clipping area to the damaged area of the
1504window. Attempts to draw outside this area do not appear.
1505
1506To draw on a window from outside EVT_PAINT handlers, construct a
1507`wx.ClientDC` object.
1508","");
205d49f7 1509class wxPaintDC : public wxClientDC {
d14a1e28 1510public:
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1511 DocCtorStr(
1512 wxPaintDC(wxWindow* win),
1513 "Constructor. Pass the window on which you wish to paint.", "");
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1514};
1515
1516//---------------------------------------------------------------------------
1517%newgroup
1518
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1519MustHaveApp(wxMirrorDC);
1520
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1521DocStr(wxMirrorDC,
1522"wx.MirrorDC is a simple wrapper class which is always associated with a
1523real `wx.DC` object and either forwards all of its operations to it
1524without changes (no mirroring takes place) or exchanges x and y
1525coordinates which makes it possible to reuse the same code to draw a
1526figure and its mirror -- i.e. reflection related to the diagonal line
1527x == y.", "");
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1528class wxMirrorDC : public wxDC
1529{
1530public:
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1531 DocCtorStr(
1532 wxMirrorDC(wxDC& dc, bool mirror),
1533 "Creates a mirrored DC associated with the real *dc*. Everything drawn
1534on the wx.MirrorDC will appear on the *dc*, and will be mirrored if
1535*mirror* is True.","");
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1536};
1537
1538//---------------------------------------------------------------------------
1539%newgroup
1540
1541%{
1542#include <wx/dcps.h>
1543%}
1544
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1545MustHaveApp(wxPostScriptDC);
1546
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1547DocStr(wxPostScriptDC,
1548"This is a `wx.DC` that can write to PostScript files on any platform.","");
1549
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1550class wxPostScriptDC : public wxDC {
1551public:
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1552 DocCtorStr(
1553 wxPostScriptDC(const wxPrintData& printData),
1554 "Constructs a PostScript printer device context from a `wx.PrintData`
1555object.", "");
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1556
1557 wxPrintData& GetPrintData();
1558 void SetPrintData(const wxPrintData& data);
1559
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1560 DocDeclStr(
1561 static void , SetResolution(int ppi),
1562 "Set resolution (in pixels per inch) that will be used in PostScript
1563output. Default is 720ppi.", "");
1564
1565 DocDeclStr(
1566 static int , GetResolution(),
1567 "Return resolution used in PostScript output.", "");
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1568
1569 %property(PrintData, GetPrintData, SetPrintData, doc="See `GetPrintData` and `SetPrintData`");
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1570};
1571
1572//---------------------------------------------------------------------------
1573%newgroup
1574
1575
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1576MustHaveApp(wxMetaFile);
1577MustHaveApp(wxMetaFileDC);
1578
1579
da457c1b 1580#if defined(__WXMSW__) || defined(__WXMAC__)
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1581
1582%{
1583#include <wx/metafile.h>
1584%}
1585
1586class wxMetaFile : public wxObject {
1587public:
1588 wxMetaFile(const wxString& filename = wxPyEmptyString);
1589 ~wxMetaFile();
1590
1591 bool Ok();
1592 bool SetClipboard(int width = 0, int height = 0);
1593
1594 wxSize GetSize();
1595 int GetWidth();
1596 int GetHeight();
1597
da457c1b 1598#ifdef __WXMSW__
d14a1e28 1599 const wxString& GetFileName() const;
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1600#endif
1601
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1602 %pythoncode { def __nonzero__(self): return self.Ok() }
1603};
1604
1605// bool wxMakeMetaFilePlaceable(const wxString& filename,
1606// int minX, int minY, int maxX, int maxY, float scale=1.0);
1607
1608
1609class wxMetaFileDC : public wxDC {
1610public:
1611 wxMetaFileDC(const wxString& filename = wxPyEmptyString,
1612 int width = 0, int height = 0,
1613 const wxString& description = wxPyEmptyString);
1614 wxMetaFile* Close();
1615};
1616
1617
1618
1619#else // Make some dummies for the other platforms
1620
1621%{
1622class wxMetaFile : public wxObject {
1623public:
1624 wxMetaFile(const wxString&)
81cfe5e1 1625 { wxPyRaiseNotImplemented(); }
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1626};
1627
1628class wxMetaFileDC : public wxClientDC {
1629public:
1630 wxMetaFileDC(const wxString&, int, int, const wxString&)
81cfe5e1 1631 { wxPyRaiseNotImplemented(); }
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1632};
1633
1634%}
1635
1636class wxMetaFile : public wxObject {
1637public:
1638 wxMetaFile(const wxString& filename = wxPyEmptyString);
1639};
1640
1641class wxMetaFileDC : public wxDC {
1642public:
1643 wxMetaFileDC(const wxString& filename = wxPyEmptyString,
1644 int width = 0, int height = 0,
1645 const wxString& description = wxPyEmptyString);
1646};
1647
1648
1649#endif
1650
1651
1652//---------------------------------------------------------------------------
1653
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1654MustHaveApp(wxPrinterDC);
1655
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1656#if defined(__WXMSW__) || defined(__WXMAC__)
1657
1658class wxPrinterDC : public wxDC {
1659public:
1660 wxPrinterDC(const wxPrintData& printData);
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1661};
1662
1663#else
1664%{
1665class wxPrinterDC : public wxClientDC {
1666public:
1667 wxPrinterDC(const wxPrintData&)
81cfe5e1 1668 { wxPyRaiseNotImplemented(); }
4942342c 1669
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1670};
1671%}
4942342c 1672
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1673class wxPrinterDC : public wxDC {
1674public:
1675 wxPrinterDC(const wxPrintData& printData);
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1676};
1677#endif
1678
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1679//---------------------------------------------------------------------------
1680//---------------------------------------------------------------------------