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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
16
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
41 DocStr(wxDC,
42 "A wx.DC is a device context onto which graphics and text can be
43 drawn. It is intended to represent a number of output devices in a
44 generic way, so a window can have a device context associated with it,
45 and a printer also has a device context. In this way, the same piece
46 of code may write to a number of different devices, if the device
47 context is used as a parameter.
48
49 Derived types of wxDC have documentation for specific features only,
50 so refer to this section for most device context information.
51
52 The wx.DC class is abstract and can not be instantiated, you must use
53 one of the derived classes instead. Which one will depend on the
54 situation in which it is used.", "");
55
56 class wxDC : public wxObject {
57 public:
58 // wxDC(); **** abstract base class, can't instantiate.
59 ~wxDC();
60
61
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 }
68
69
70
71 // TODO virtual void DrawObject(wxDrawObject* drawobject);
72
73
74 DocStr(
75 FloodFill,
76 "Flood fills the device context starting from the given point, using
77 the current brush colour, and using a style:
78
79 - **wxFLOOD_SURFACE**: the flooding occurs until a colour other than
80 the given colour is encountered.
81
82 - **wxFLOOD_BORDER**: the area to be flooded is bounded by the given
83 colour.
84
85 Returns False if the operation failed.
86
87 Note: The present implementation for non-Windows platforms may fail to
88 find colour borders if the pixels do not match the colour
89 exactly. However the function will still return true.", "");
90 bool FloodFill(wxCoord x, wxCoord y, const wxColour& col, int style = wxFLOOD_SURFACE);
91 %Rename(FloodFillPoint, bool, FloodFill(const wxPoint& pt, const wxColour& col, int style = wxFLOOD_SURFACE));
92
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
102 initialColour in the center of the circle and fading to destColour on
103 the outside of the circle. The circleCenter argument is the relative
104 coordinants of the center of the circle in the specified rect.
105
106 Note: Currently this function is very slow, don't use it for real-time
107 drawing.", "");
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
116 initialColour and eventually fading to destColour. The nDirection
117 parameter specifies the direction of the colour change, default is to
118 use initialColour on the left part of the rectangle and destColour on
119 the right side.", "");
120
121
122
123 DocStr(
124 GetPixel,
125 "Gets the colour at the specified location on the DC.","");
126 %extend {
127 wxColour GetPixel(wxCoord x, wxCoord y) {
128 wxColour col;
129 self->GetPixel(x, y, &col);
130 return col;
131 }
132 wxColour GetPixelPoint(const wxPoint& pt) {
133 wxColour col;
134 self->GetPixel(pt, &col);
135 return col;
136 }
137 }
138
139
140 DocStr(
141 DrawLine,
142 "Draws a line from the first point to the second. The current pen is
143 used for drawing the line. Note that the second point is *not* part of
144 the line and is not drawn by this function (this is consistent with
145 the behaviour of many other toolkits).", "");
146 void DrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
147 %Rename(DrawLinePoint, void, DrawLine(const wxPoint& pt1, const wxPoint& pt2));
148
149
150 DocStr(
151 CrossHair,
152 "Displays a cross hair using the current pen. This is a vertical and
153 horizontal line the height and width of the window, centred on the
154 given point.", "");
155 void CrossHair(wxCoord x, wxCoord y);
156 %Rename(CrossHairPoint, void, CrossHair(const wxPoint& pt));
157
158
159 DocStr(
160 DrawArc,
161 "Draws an arc of a circle, centred on the *center* point (xc, yc), from
162 the first point to the second. The current pen is used for the outline
163 and the current brush for filling the shape.
164
165 The arc is drawn in an anticlockwise direction from the start point to
166 the end point.", "");
167 void DrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc);
168 %Rename(DrawArcPoint, void, DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& center));
169
170
171 DocStr(
172 DrawCheckMark,
173 "Draws a check mark inside the given rectangle.", "");
174 void DrawCheckMark(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
175 %Rename(DrawCheckMarkRect, void, DrawCheckMark(const wxRect& rect));
176
177 DocStr(
178 DrawEllipticArc,
179 "Draws an arc of an ellipse, with the given rectangle defining the
180 bounds of the ellipse. The current pen is used for drawing the arc and
181 the current brush is used for drawing the pie.
182
183 The *start* and *end* parameters specify the start and end of the arc
184 relative to the three-o'clock position from the center of the
185 rectangle. Angles are specified in degrees (360 is a complete
186 circle). Positive values mean counter-clockwise motion. If start is
187 equal to end, a complete ellipse will be drawn.", "");
188 void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, double start, double end);
189 %Rename(DrawEllipticArcPointSize, void, DrawEllipticArc(const wxPoint& pt, const wxSize& sz, double start, double end));
190
191
192 DocStr(
193 DrawPoint,
194 "Draws a point using the current pen.", "");
195 void DrawPoint(wxCoord x, wxCoord y);
196 %Rename(DrawPointPoint, void, DrawPoint(const wxPoint& pt));
197
198
199 DocStr(
200 DrawRectangle,
201 "Draws a rectangle with the given top left corner, and with the given
202 size. The current pen is used for the outline and the current brush
203 for filling the shape.", "");
204 void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
205 %Rename(DrawRectangleRect,void, DrawRectangle(const wxRect& rect));
206 %Rename(DrawRectanglePointSize, void, DrawRectangle(const wxPoint& pt, const wxSize& sz));
207
208
209 DocStr(
210 DrawRoundedRectangle,
211 "Draws a rectangle with the given top left corner, and with the given
212 size. The corners are quarter-circles using the given radius. The
213 current pen is used for the outline and the current brush for filling
214 the shape.
215
216 If radius is positive, the value is assumed to be the radius of the
217 rounded corner. If radius is negative, the absolute value is assumed
218 to be the proportion of the smallest dimension of the rectangle. This
219 means that the corner can be a sensible size relative to the size of
220 the rectangle, and also avoids the strange effects X produces when the
221 corners are too big for the rectangle.", "");
222 void DrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius);
223 %Rename(DrawRoundedRectangleRect, void, DrawRoundedRectangle(const wxRect& r, double radius));
224 %Rename(DrawRoundedRectanglePointSize, void, DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz, double radius));
225
226
227 DocStr(
228 DrawCircle,
229 "Draws a circle with the given center point and radius. The current
230 pen is used for the outline and the current brush for filling the
231 shape.", "
232
233 :see: `DrawEllipse`");
234 void DrawCircle(wxCoord x, wxCoord y, wxCoord radius);
235 %Rename(DrawCirclePoint, void, DrawCircle(const wxPoint& pt, wxCoord radius));
236
237
238 DocStr(
239 DrawEllipse,
240 "Draws an ellipse contained in the specified rectangle. The current pen
241 is used for the outline and the current brush for filling the shape.", "
242
243 :see: `DrawCircle`");
244 void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
245 %Rename(DrawEllipseRect, void, DrawEllipse(const wxRect& rect));
246 %Rename(DrawEllipsePointSize, void, DrawEllipse(const wxPoint& pt, const wxSize& sz));
247
248
249 DocStr(
250 DrawIcon,
251 "Draw an icon on the display (does nothing if the device context is
252 PostScript). This can be the simplest way of drawing bitmaps on a
253 window.", "");
254 void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
255 %Rename(DrawIconPoint, void, DrawIcon(const wxIcon& icon, const wxPoint& pt));
256
257
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
262 alpha channel on the platforms that support it) then the bitmap will
263 be drawn transparently.", "
264
265 When drawing a mono-bitmap, the current text foreground colour will be
266 used to draw the foreground of the bitmap (all bits set to 1), and the
267 current text background colour to draw the background (all bits set to
268 0).
269
270 :see: `SetTextForeground`, `SetTextBackground` and `wx.MemoryDC`");
271 void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask = false);
272 %Rename(DrawBitmapPoint, void, DrawBitmap(const wxBitmap &bmp, const wxPoint& pt, bool useMask = false));
273
274
275 DocStr(
276 DrawText,
277 "Draws a text string at the specified point, using the current text
278 font, and the current text foreground and background colours.
279
280 The coordinates refer to the top-left corner of the rectangle bounding
281 the string. See `GetTextExtent` for how to get the dimensions of a
282 text string, which can be used to position the text more precisely.
283
284 **NOTE**: under wxGTK the current logical function is used by this
285 function but it is ignored by wxMSW. Thus, you should avoid using
286 logical functions with this function in portable programs.", "
287
288 :see: `DrawRotatedText`");
289 void DrawText(const wxString& text, wxCoord x, wxCoord y);
290 %Rename(DrawTextPoint, void, DrawText(const wxString& text, const wxPoint& pt));
291
292
293 DocStr(
294 DrawRotatedText,
295 "Draws the text rotated by *angle* degrees, if supported by the platform.
296
297 **NOTE**: Under Win9x only TrueType fonts can be drawn by this
298 function. In particular, a font different from ``wx.NORMAL_FONT``
299 should be used as the it is not normally a TrueType
300 font. ``wx.SWISS_FONT`` is an example of a font which is.","
301
302 :see: `DrawText`");
303 void DrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
304 %Rename(DrawRotatedTextPoint, void, DrawRotatedText(const wxString& text, const wxPoint& pt, double angle));
305
306
307 DocDeclStr(
308 bool , Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
309 wxDC *source, wxCoord xsrc, wxCoord ysrc,
310 int rop = wxCOPY, bool useMask = false,
311 wxCoord xsrcMask = -1, wxCoord ysrcMask = -1),
312 "Copy from a source DC to this DC. Parameters specify the destination
313 coordinates, size of area to copy, source DC, source coordinates,
314 logical function, whether to use a bitmap mask, and mask source
315 position.", "
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,
337 int rop = wxCOPY, bool useMask = false,
338 const wxPoint& srcPtMask = wxDefaultPosition),
339 "Copy from a source DC to this DC. Parameters specify the destination
340 coordinates, size of area to copy, source DC, source coordinates,
341 logical function, whether to use a bitmap mask, and mask source
342 position.", "
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
356
357 DocStr(
358 SetClippingRegion,
359 "Sets the clipping region for this device context to the intersection
360 of the given region described by the parameters of this method and the
361 previously set clipping region. You should call `DestroyClippingRegion`
362 if you want to set the clipping region exactly to the region
363 specified.
364
365 The clipping region is an area to which drawing is
366 restricted. Possible uses for the clipping region are for clipping
367 text or for speeding up window redraws when only a known area of the
368 screen is damaged.", "
369
370 :see: `DestroyClippingRegion`, `wx.Region`");
371 void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
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));
375
376
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
383 optional offset coordinate. The current pen is used for drawing the
384 lines.", "");
385
386
387 DocDeclAStr(
388 void , DrawPolygon(int points, wxPoint* points_array,
389 wxCoord xoffset = 0, wxCoord yoffset = 0,
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
394 the optional offset coordinate. The last argument specifies the fill
395 rule: ``wx.ODDEVEN_RULE`` (the default) or ``wx.WINDING_RULE``.
396
397 The current pen is used for drawing the outline, and the current brush
398 for filling the shape. Using a transparent brush suppresses
399 filling. Note that wxWidgets automatically closes the first and last
400 points.", "");
401
402
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);
408
409
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
415 flags. Will additionally emphasize the character at *indexAccel* if
416 it is not -1.", "
417
418 :see: `DrawImageLabel`");
419
420
421 %extend {
422 DocStr(DrawImageLabel,
423 "Draw *text* and an image (which may be ``wx.NullBitmap`` to skip
424 drawing it) within the specified rectangle, abiding by the alignment
425 flags. Will additionally emphasize the character at *indexAccel* if
426 it is not -1. Returns the bounding rectangle.", "");
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
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`
444 objects) using the current pen. The spline is drawn using a series of
445 lines, using an algorithm taken from the X drawing program 'XFIG'.", "");
446
447
448
449
450 // global DC operations
451 // --------------------
452
453 DocDeclStr(
454 virtual void , Clear(),
455 "Clears the device context using the current background brush.", "");
456
457
458 DocDeclStr(
459 virtual bool , StartDoc(const wxString& message),
460 "Starts a document (only relevant when outputting to a
461 printer). *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
467
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
476
477
478 // set objects to use for drawing
479 // ------------------------------
480
481 DocDeclStr(
482 virtual void , SetFont(const wxFont& font),
483 "Sets the current font for the DC. It must be a valid font, in
484 particular you should not pass ``wx.NullFont`` to this method.","
485
486 :see: `wx.Font`");
487
488 DocDeclStr(
489 virtual void , SetPen(const wxPen& pen),
490 "Sets the current pen for the DC.
491
492 If the argument is ``wx.NullPen``, the current pen is selected out of the
493 device context, and the original pen restored.", "
494
495 :see: `wx.Pen`");
496
497 DocDeclStr(
498 virtual void , SetBrush(const wxBrush& brush),
499 "Sets the current brush for the DC.
500
501 If the argument is ``wx.NullBrush``, the current brush is selected out
502 of the device context, and the original brush restored, allowing the
503 current 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
514 determines whether text will be drawn with a background colour or
515 not.", "");
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
520 window or bitmap associated with the DC. If the argument is
521 ``wx.NullPalette``, the current palette is selected out of the device
522 context, 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
531 clipped.", "
532
533 :see: `SetClippingRegion`");
534
535
536 DocDeclAStr(
537 void, GetClippingBox(wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord *OUTPUT) const,
538 "GetClippingBox() -> (x, y, width, height)",
539 "Gets the rectangle surrounding the current clipping region.", "");
540
541 %extend {
542 DocStr(
543 GetClippingRect,
544 "Gets the rectangle surrounding the current clipping region.", "");
545 wxRect GetClippingRect() {
546 wxRect rect;
547 self->GetClippingBox(rect);
548 return rect;
549 }
550 }
551
552
553
554 // text extent
555 // -----------
556
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
565
566
567 DocDeclAStr(
568 void, GetTextExtent(const wxString& string, wxCoord *OUTPUT, wxCoord *OUTPUT),
569 "GetTextExtent(wxString string) -> (width, height)",
570 "Get the width and height of the text using the current font. Only
571 works for single line strings.", "");
572
573 DocDeclAStrName(
574 void, GetTextExtent(const wxString& string,
575 wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord* OUTPUT,
576 wxFont* font = NULL),
577 "GetFullTextExtent(wxString string, Font font=None) ->\n (width, height, descent, externalLeading)",
578 "Get the width, height, decent and leading of the text using the
579 current or specified font. Only works for single line strings.", "",
580 GetFullTextExtent);
581
582
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),
588 "GetMultiLineTextExtent(wxString string, Font font=None) ->\n (width, height, lineHeight)",
589 "Get the width, height, and line height of the text using the
590 current or specified font. Works for single as well as multi-line
591 strings.", "");
592
593
594 %extend {
595 DocAStr(GetPartialTextExtents,
596 "GetPartialTextExtents(self, text) -> [widths]",
597 "Returns a list of integers such that each value is the distance in
598 pixels from the begining of text to the coresponding character of
599 *text*. The generic version simply builds a running total of the widths
600 of each character using GetTextExtent, however if the various
601 platforms have a native API function that is faster or more accurate
602 than the generic implementation then it will be used instead.", "");
603 wxArrayInt GetPartialTextExtents(const wxString& text) {
604 wxArrayInt widths;
605 self->GetPartialTextExtents(text, widths);
606 return widths;
607 }
608 }
609
610
611 // size and resolution
612 // -------------------
613
614 DocStr(
615 GetSize,
616 "This gets the horizontal and vertical resolution in device units. It
617 can be used to scale graphics to fit the page. For example, if *maxX*
618 and *maxY* represent the maximum horizontal and vertical 'pixel' values
619 used in your application, the following code will scale the graphic to
620 fit 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 ", "");
627 wxSize GetSize();
628 DocDeclAName(
629 void, GetSize( int *OUTPUT, int *OUTPUT ),
630 "GetSizeTuple() -> (width, height)",
631 GetSizeTuple);
632
633
634 DocStr(GetSizeMM, "Get the DC size in milimeters.", "");
635 wxSize GetSizeMM() const;
636 DocDeclAName(
637 void, GetSizeMM( int *OUTPUT, int *OUTPUT ) const,
638 "GetSizeMMTuple() -> (width, height)",
639 GetSizeMMTuple);
640
641
642
643 // coordinates conversions
644 // -----------------------
645
646 DocDeclStr(
647 wxCoord , DeviceToLogicalX(wxCoord x) const,
648 "Convert device X coordinate to logical coordinate, using the current
649 mapping mode.", "");
650
651 DocDeclStr(
652 wxCoord , DeviceToLogicalY(wxCoord y) const,
653 "Converts device Y coordinate to logical coordinate, using the current
654 mapping mode.", "");
655
656 DocDeclStr(
657 wxCoord , DeviceToLogicalXRel(wxCoord x) const,
658 "Convert device X coordinate to relative logical coordinate, using the
659 current mapping mode but ignoring the x axis orientation. Use this
660 function 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
665 current mapping mode but ignoring the y axis orientation. Use this
666 function 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
671 mapping mode.", "");
672
673 DocDeclStr(
674 wxCoord , LogicalToDeviceY(wxCoord y) const,
675 "Converts logical Y coordinate to device coordinate, using the current
676 mapping mode.", "");
677
678 DocDeclStr(
679 wxCoord , LogicalToDeviceXRel(wxCoord x) const,
680 "Converts logical X coordinate to relative device coordinate, using the
681 current mapping mode but ignoring the x axis orientation. Use this for
682 converting a width, for example.", "");
683
684 DocDeclStr(
685 wxCoord , LogicalToDeviceYRel(wxCoord y) const,
686 "Converts logical Y coordinate to relative device coordinate, using the
687 current mapping mode but ignoring the y axis orientation. Use this for
688 converting a height, for example.", "");
689
690
691
692 // query DC capabilities
693 // ---------------------
694
695 virtual bool CanDrawBitmap() const;
696 virtual bool CanGetTextExtent() const;
697
698
699 DocDeclStr(
700 virtual int , GetDepth() const,
701 "Returns the colour depth of the DC.", "");
702
703
704 DocDeclStr(
705 virtual wxSize , GetPPI() const,
706 "Resolution in pixels per inch", "");
707
708
709 DocDeclStr(
710 virtual bool , IsOk() const,
711 "Returns true if the DC is ok to use.", "");
712 %pythoncode { Ok = IsOk }
713
714
715
716 DocDeclStr(
717 int , GetBackgroundMode() const,
718 "Returns the current background mode, either ``wx.SOLID`` or
719 ``wx.TRANSPARENT``.","
720
721 :see: `SetBackgroundMode`");
722
723 DocDeclStr(
724 const wxBrush& , GetBackground() const,
725 "Gets the brush used for painting the background.","
726
727 :see: `SetBackground`");
728
729 DocDeclStr(
730 const wxBrush& , GetBrush() const,
731 "Gets the current brush", "");
732
733 DocDeclStr(
734 const wxFont& , GetFont() const,
735 "Gets the current font", "");
736
737 DocDeclStr(
738 const wxPen& , GetPen() const,
739 "Gets the current pen", "");
740
741 DocDeclStr(
742 const wxColour& , GetTextBackground() const,
743 "Gets the current text background colour", "");
744
745 DocDeclStr(
746 const wxColour& , GetTextForeground() const,
747 "Gets the current text foreground colour", "");
748
749
750 DocDeclStr(
751 virtual void , SetTextForeground(const wxColour& colour),
752 "Sets the current text foreground colour for the DC.", "");
753
754 DocDeclStr(
755 virtual void , SetTextBackground(const wxColour& colour),
756 "Sets the current text background colour for the DC.", "");
757
758
759 DocDeclStr(
760 int , GetMapMode() const,
761 "Gets the current *mapping mode* for the device context ", "");
762
763 DocDeclStr(
764 virtual void , SetMapMode(int mode),
765 "The *mapping mode* of the device context defines the unit of
766 measurement used to convert logical units to device units. The
767 mapping mode can be one of the following:
768
769 ================ =============================================
770 wx.MM_TWIPS Each logical unit is 1/20 of a point, or 1/1440
771 of an inch.
772 wx.MM_POINTS Each logical unit is a point, or 1/72 of an inch.
773 wx.MM_METRIC Each logical unit is 1 mm.
774 wx.MM_LOMETRIC Each logical unit is 1/10 of a mm.
775 wx.MM_TEXT Each logical unit is 1 pixel.
776 ================ =============================================
777 ","
778 Note that in X, text drawing isn't handled consistently with the
779 mapping mode; a font is always specified in point size. However,
780 setting the user scale (see `SetUserScale`) scales the text
781 appropriately. In Windows, scalable TrueType fonts are always used; in
782 X, results depend on availability of fonts, but usually a reasonable
783 match is found.
784
785 The coordinate origin is always at the top left of the screen/printer.
786
787 Drawing to a Windows printer device context uses the current mapping
788 mode, but mapping mode is currently ignored for PostScript output.
789 ");
790
791
792
793 DocDeclAStr(
794 virtual void, GetUserScale(double *OUTPUT, double *OUTPUT) const,
795 "GetUserScale(self) -> (xScale, yScale)",
796 "Gets the current user scale factor (set by `SetUserScale`).", "");
797
798 DocDeclStr(
799 virtual void , SetUserScale(double x, double y),
800 "Sets the user scaling factor, useful for applications which require
801 'zooming'.", "");
802
803
804
805 DocDeclA(
806 virtual void, GetLogicalScale(double *OUTPUT, double *OUTPUT),
807 "GetLogicalScale() -> (xScale, yScale)");
808
809 virtual void SetLogicalScale(double x, double y);
810
811
812 wxPoint GetLogicalOrigin() const;
813 DocDeclAName(
814 void, GetLogicalOrigin(wxCoord *OUTPUT, wxCoord *OUTPUT) const,
815 "GetLogicalOriginTuple() -> (x,y)",
816 GetLogicalOriginTuple);
817
818 virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
819 %extend {
820 void SetLogicalOriginPoint(const wxPoint& point) {
821 self->SetLogicalOrigin(point.x, point.y);
822 }
823 }
824
825
826 wxPoint GetDeviceOrigin() const;
827 DocDeclAName(
828 void, GetDeviceOrigin(wxCoord *OUTPUT, wxCoord *OUTPUT) const,
829 "GetDeviceOriginTuple() -> (x,y)",
830 GetDeviceOriginTuple);
831
832 virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
833 %extend {
834 void SetDeviceOriginPoint(const wxPoint& point) {
835 self->SetDeviceOrigin(point.x, point.y);
836 }
837 }
838
839 DocDeclStr(
840 virtual void , SetAxisOrientation(bool xLeftRight, bool yBottomUp),
841 "Sets the x and y axis orientation (i.e., the direction from lowest to
842 highest values on the axis). The default orientation is the natural
843 orientation, e.g. x axis from left to right and y axis from bottom up.", "");
844
845
846 DocDeclStr(
847 int , GetLogicalFunction() const,
848 "Gets the current logical function (set by `SetLogicalFunction`).", "");
849
850 DocDeclStr(
851 virtual void , SetLogicalFunction(int function),
852 "Sets the current logical function for the device context. This
853 determines how a source pixel (from a pen or brush colour, or source
854 device context if using `Blit`) combines with a destination pixel in
855 the current device context.
856
857 The possible values and their meaning in terms of source and
858 destination pixel values are as follows:
859
860 ================ ==========================
861 wx.AND src AND dst
862 wx.AND_INVERT (NOT src) AND dst
863 wx.AND_REVERSE src AND (NOT dst)
864 wx.CLEAR 0
865 wx.COPY src
866 wx.EQUIV (NOT src) XOR dst
867 wx.INVERT NOT dst
868 wx.NAND (NOT src) OR (NOT dst)
869 wx.NOR (NOT src) AND (NOT dst)
870 wx.NO_OP dst
871 wx.OR src OR dst
872 wx.OR_INVERT (NOT src) OR dst
873 wx.OR_REVERSE src OR (NOT dst)
874 wx.SET 1
875 wx.SRC_INVERT NOT src
876 wx.XOR src XOR dst
877 ================ ==========================
878
879 The default is wx.COPY, which simply draws with the current
880 colour. The others combine the current colour and the background using
881 a logical operation. wx.INVERT is commonly used for drawing rubber
882 bands or moving outlines, since drawing twice reverts to the original
883 colour.
884 ", "");
885
886
887 DocDeclStr(
888 void , ComputeScaleAndOrigin(),
889 "Performs all necessary computations for given platform and context
890 type after each change of scale and origin parameters. Usually called
891 automatically internally after such changes.
892 ", "");
893
894
895
896 // DocDeclStr(
897 // virtual void , SetOptimization(bool optimize),
898 // "If *optimize* is true this function sets optimization mode on. This
899 // currently means that under X, the device context will not try to set a
900 // pen or brush property if it is known to be set already. This approach
901 // can fall down if non-wxWidgets code is using the same device context
902 // or window, for example when the window is a panel on which the
903 // windowing system draws panel items. The wxWidgets device context
904 // 'memory' will now be out of step with reality.
905
906 // Setting optimization off, drawing, then setting it back on again, is a
907 // trick that must occasionally be employed.", "");
908
909 // DocDeclStr(
910 // virtual bool , GetOptimization(),
911 // "Returns true if device context optimization is on. See
912 // `SetOptimization` for details.", "");
913
914 %pythoncode {
915 def SetOptimization(self, optimize):
916 pass
917 def GetOptimization(self):
918 return False
919
920 SetOptimization = wx._deprecated(SetOptimization)
921 GetOptimization = wx._deprecated(GetOptimization)
922 }
923
924
925 // bounding box
926 // ------------
927
928 DocDeclStr(
929 virtual void , CalcBoundingBox(wxCoord x, wxCoord y),
930 "Adds the specified point to the bounding box which can be retrieved
931 with `MinX`, `MaxX` and `MinY`, `MaxY` or `GetBoundingBox` functions.", "");
932
933 %extend {
934 DocStr(CalcBoundingBoxPoint,
935 "Adds the specified point to the bounding box which can be retrieved
936 with `MinX`, `MaxX` and `MinY`, `MaxY` or `GetBoundingBox` functions.","");
937 void CalcBoundingBoxPoint(const wxPoint& point) {
938 self->CalcBoundingBox(point.x, point.y);
939 }
940 }
941
942 DocDeclStr(
943 void , ResetBoundingBox(),
944 "Resets the bounding box: after a call to this function, the bounding
945 box doesn't contain anything.", "");
946
947
948 // Get the final bounding box of the PostScript or Metafile picture.
949 DocDeclStr(
950 wxCoord , MinX() const,
951 "Gets the minimum horizontal extent used in drawing commands so far.", "");
952
953 DocDeclStr(
954 wxCoord , MaxX() const,
955 "Gets the maximum horizontal extent used in drawing commands so far.", "");
956
957 DocDeclStr(
958 wxCoord , MinY() const,
959 "Gets the minimum vertical extent used in drawing commands so far.", "");
960
961 DocDeclStr(
962 wxCoord , MaxY() const,
963 "Gets the maximum vertical extent used in drawing commands so far.", "");
964
965
966
967 DocAStr(GetBoundingBox,
968 "GetBoundingBox() -> (x1,y1, x2,y2)",
969 "Returns the min and max points used in drawing commands so far.", "");
970 %extend {
971 void GetBoundingBox(int* OUTPUT, int* OUTPUT, int* OUTPUT, int* OUTPUT);
972 // See below for implementation
973 }
974
975 %pythoncode { def __nonzero__(self): return self.IsOk() };
976
977
978 // RTL related functions
979 // ---------------------
980
981 DocDeclStr(
982 virtual wxLayoutDirection , GetLayoutDirection() const,
983 "Get the layout direction (LTR or RTL)_ for this dc. On platforms
984 where RTL layout is supported, the return value will either be
985 ``wx.Layout_LeftToRight`` or ``wx.Layout_RightToLeft``.
986 ``wx.Layout_Default`` is returned if layout direction is not
987 supported.", "");
988
989 DocDeclStr(
990 virtual void , SetLayoutDirection(wxLayoutDirection dir),
991 "Change the layout direction for this dc.", "");
992
993
994
995
996 #ifdef __WXMSW__
997 long GetHDC();
998 #endif
999
1000
1001 %extend { // See drawlist.cpp for impplementaion of these...
1002 PyObject* _DrawPointList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
1003 {
1004 return wxPyDrawXXXList(*self, wxPyDrawXXXPoint, pyCoords, pyPens, pyBrushes);
1005 }
1006
1007 PyObject* _DrawLineList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
1008 {
1009 return wxPyDrawXXXList(*self, wxPyDrawXXXLine, pyCoords, pyPens, pyBrushes);
1010 }
1011
1012 PyObject* _DrawRectangleList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
1013 {
1014 return wxPyDrawXXXList(*self, wxPyDrawXXXRectangle, pyCoords, pyPens, pyBrushes);
1015 }
1016
1017 PyObject* _DrawEllipseList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
1018 {
1019 return wxPyDrawXXXList(*self, wxPyDrawXXXEllipse, pyCoords, pyPens, pyBrushes);
1020 }
1021
1022 PyObject* _DrawPolygonList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
1023 {
1024 return wxPyDrawXXXList(*self, wxPyDrawXXXPolygon, pyCoords, pyPens, pyBrushes);
1025 }
1026
1027 PyObject* _DrawTextList(PyObject* textList, PyObject* pyPoints,
1028 PyObject* foregroundList, PyObject* backgroundList) {
1029 return wxPyDrawTextList(*self, textList, pyPoints, foregroundList, backgroundList);
1030 }
1031 }
1032
1033 %pythoncode {
1034 def DrawPointList(self, points, pens=None):
1035 """
1036 Draw a list of points as quickly as possible.
1037
1038 :param points: A sequence of 2-element sequences representing
1039 each point to draw, (x,y).
1040 :param pens: If None, then the current pen is used. If a
1041 single pen then it will be used for all points. If
1042 a list of pens then there should be one for each point
1043 in points.
1044 """
1045 if pens is None:
1046 pens = []
1047 elif isinstance(pens, wx.Pen):
1048 pens = [pens]
1049 elif len(pens) != len(points):
1050 raise ValueError('points and pens must have same length')
1051 return self._DrawPointList(points, pens, [])
1052
1053
1054 def DrawLineList(self, lines, pens=None):
1055 """
1056 Draw a list of lines as quickly as possible.
1057
1058 :param lines: A sequence of 4-element sequences representing
1059 each line to draw, (x1,y1, x2,y2).
1060 :param pens: If None, then the current pen is used. If a
1061 single pen then it will be used for all lines. If
1062 a list of pens then there should be one for each line
1063 in lines.
1064 """
1065 if pens is None:
1066 pens = []
1067 elif isinstance(pens, wx.Pen):
1068 pens = [pens]
1069 elif len(pens) != len(lines):
1070 raise ValueError('lines and pens must have same length')
1071 return self._DrawLineList(lines, pens, [])
1072
1073
1074 def DrawRectangleList(self, rectangles, pens=None, brushes=None):
1075 """
1076 Draw a list of rectangles as quickly as possible.
1077
1078 :param rectangles: A sequence of 4-element sequences representing
1079 each rectangle to draw, (x,y, w,h).
1080 :param pens: If None, then the current pen is used. If a
1081 single pen then it will be used for all rectangles.
1082 If a list of pens then there should be one for each
1083 rectangle in rectangles.
1084 :param brushes: A brush or brushes to be used to fill the rectagles,
1085 with similar semantics as the pens parameter.
1086 """
1087 if pens is None:
1088 pens = []
1089 elif isinstance(pens, wx.Pen):
1090 pens = [pens]
1091 elif len(pens) != len(rectangles):
1092 raise ValueError('rectangles and pens must have same length')
1093 if brushes is None:
1094 brushes = []
1095 elif isinstance(brushes, wx.Brush):
1096 brushes = [brushes]
1097 elif len(brushes) != len(rectangles):
1098 raise ValueError('rectangles and brushes must have same length')
1099 return self._DrawRectangleList(rectangles, pens, brushes)
1100
1101
1102 def DrawEllipseList(self, ellipses, pens=None, brushes=None):
1103 """
1104 Draw a list of ellipses as quickly as possible.
1105
1106 :param ellipses: A sequence of 4-element sequences representing
1107 each ellipse to draw, (x,y, w,h).
1108 :param pens: If None, then the current pen is used. If a
1109 single pen then it will be used for all ellipses.
1110 If a list of pens then there should be one for each
1111 ellipse in ellipses.
1112 :param brushes: A brush or brushes to be used to fill the ellipses,
1113 with similar semantics as the pens parameter.
1114 """
1115 if pens is None:
1116 pens = []
1117 elif isinstance(pens, wx.Pen):
1118 pens = [pens]
1119 elif len(pens) != len(ellipses):
1120 raise ValueError('ellipses and pens must have same length')
1121 if brushes is None:
1122 brushes = []
1123 elif isinstance(brushes, wx.Brush):
1124 brushes = [brushes]
1125 elif len(brushes) != len(ellipses):
1126 raise ValueError('ellipses and brushes must have same length')
1127 return self._DrawEllipseList(ellipses, pens, brushes)
1128
1129
1130 def DrawPolygonList(self, polygons, pens=None, brushes=None):
1131 """
1132 Draw a list of polygons, each of which is a list of points.
1133
1134 :param polygons: A sequence of sequences of sequences.
1135 [[(x1,y1),(x2,y2),(x3,y3)...],
1136 [(x1,y1),(x2,y2),(x3,y3)...]]
1137
1138 :param pens: If None, then the current pen is used. If a
1139 single pen then it will be used for all polygons.
1140 If a list of pens then there should be one for each
1141 polygon.
1142 :param brushes: A brush or brushes to be used to fill the polygons,
1143 with similar semantics as the pens parameter.
1144 """
1145 if pens is None:
1146 pens = []
1147 elif isinstance(pens, wx.Pen):
1148 pens = [pens]
1149 elif len(pens) != len(polygons):
1150 raise ValueError('polygons and pens must have same length')
1151 if brushes is None:
1152 brushes = []
1153 elif isinstance(brushes, wx.Brush):
1154 brushes = [brushes]
1155 elif len(brushes) != len(polygons):
1156 raise ValueError('polygons and brushes must have same length')
1157 return self._DrawPolygonList(polygons, pens, brushes)
1158
1159
1160 def DrawTextList(self, textList, coords, foregrounds = None, backgrounds = None):
1161 """
1162 Draw a list of strings using a list of coordinants for positioning each string.
1163
1164 :param textList: A list of strings
1165 :param coords: A list of (x,y) positions
1166 :param foregrounds: A list of `wx.Colour` objects to use for the
1167 foregrounds of the strings.
1168 :param backgrounds: A list of `wx.Colour` objects to use for the
1169 backgrounds of the strings.
1170
1171 NOTE: Make sure you set Background mode to wx.Solid (DC.SetBackgroundMode)
1172 If you want backgrounds to do anything.
1173 """
1174 if type(textList) == type(''):
1175 textList = [textList]
1176 elif len(textList) != len(coords):
1177 raise ValueError('textlist and coords must have same length')
1178 if foregrounds is None:
1179 foregrounds = []
1180 elif isinstance(foregrounds, wx.Colour):
1181 foregrounds = [foregrounds]
1182 elif len(foregrounds) != len(coords):
1183 raise ValueError('foregrounds and coords must have same length')
1184 if backgrounds is None:
1185 backgrounds = []
1186 elif isinstance(backgrounds, wx.Colour):
1187 backgrounds = [backgrounds]
1188 elif len(backgrounds) != len(coords):
1189 raise ValueError('backgrounds and coords must have same length')
1190 return self._DrawTextList(textList, coords, foregrounds, backgrounds)
1191 }
1192
1193 %property(Background, GetBackground, SetBackground, doc="See `GetBackground` and `SetBackground`");
1194 %property(BackgroundMode, GetBackgroundMode, SetBackgroundMode, doc="See `GetBackgroundMode` and `SetBackgroundMode`");
1195 %property(BoundingBox, GetBoundingBox, doc="See `GetBoundingBox`");
1196 %property(Brush, GetBrush, SetBrush, doc="See `GetBrush` and `SetBrush`");
1197 %property(CharHeight, GetCharHeight, doc="See `GetCharHeight`");
1198 %property(CharWidth, GetCharWidth, doc="See `GetCharWidth`");
1199 %property(ClippingBox, GetClippingBox, doc="See `GetClippingBox`");
1200 %property(ClippingRect, GetClippingRect, SetClippingRect, doc="See `GetClippingRect` and `SetClippingRect`");
1201 %property(Depth, GetDepth, doc="See `GetDepth`");
1202 %property(DeviceOrigin, GetDeviceOrigin, SetDeviceOrigin, doc="See `GetDeviceOrigin` and `SetDeviceOrigin`");
1203 %property(Font, GetFont, SetFont, doc="See `GetFont` and `SetFont`");
1204 %property(FullTextExtent, GetFullTextExtent, doc="See `GetFullTextExtent`");
1205 %property(LogicalFunction, GetLogicalFunction, SetLogicalFunction, doc="See `GetLogicalFunction` and `SetLogicalFunction`");
1206 %property(LogicalOrigin, GetLogicalOrigin, SetLogicalOrigin, doc="See `GetLogicalOrigin` and `SetLogicalOrigin`");
1207 %property(LogicalScale, GetLogicalScale, SetLogicalScale, doc="See `GetLogicalScale` and `SetLogicalScale`");
1208 %property(MapMode, GetMapMode, SetMapMode, doc="See `GetMapMode` and `SetMapMode`");
1209 %property(MultiLineTextExtent, GetMultiLineTextExtent, doc="See `GetMultiLineTextExtent`");
1210 %property(Optimization, GetOptimization, SetOptimization, doc="See `GetOptimization` and `SetOptimization`");
1211 %property(PPI, GetPPI, doc="See `GetPPI`");
1212 %property(PartialTextExtents, GetPartialTextExtents, doc="See `GetPartialTextExtents`");
1213 %property(Pen, GetPen, SetPen, doc="See `GetPen` and `SetPen`");
1214 %property(Pixel, GetPixel, doc="See `GetPixel`");
1215 %property(PixelPoint, GetPixelPoint, doc="See `GetPixelPoint`");
1216 %property(Size, GetSize, doc="See `GetSize`");
1217 %property(SizeMM, GetSizeMM, doc="See `GetSizeMM`");
1218 %property(TextBackground, GetTextBackground, SetTextBackground, doc="See `GetTextBackground` and `SetTextBackground`");
1219 %property(TextExtent, GetTextExtent, doc="See `GetTextExtent`");
1220 %property(TextForeground, GetTextForeground, SetTextForeground, doc="See `GetTextForeground` and `SetTextForeground`");
1221 %property(UserScale, GetUserScale, SetUserScale, doc="See `GetUserScale` and `SetUserScale`");
1222
1223 %property(LayoutDirection, GetLayoutDirection, SetLayoutDirection);
1224 };
1225
1226
1227
1228 %{
1229 static void wxDC_GetBoundingBox(wxDC* dc, int* x1, int* y1, int* x2, int* y2) {
1230 *x1 = dc->MinX();
1231 *y1 = dc->MinY();
1232 *x2 = dc->MaxX();
1233 *y2 = dc->MaxY();
1234 }
1235 %}
1236
1237
1238 //---------------------------------------------------------------------------
1239 %newgroup
1240
1241 DocStr(wxDCTextColourChanger,
1242 "wx.DCTextColourChanger can be used to temporarily change the DC text
1243 colour and restore it automatically when the object goes out of scope", "");
1244
1245 class wxDCTextColourChanger
1246 {
1247 public:
1248 wxDCTextColourChanger(wxDC& dc, const wxColour& col);
1249 ~wxDCTextColourChanger();
1250 };
1251
1252
1253 DocStr(wxDCPenChanger,
1254 "wx.DCPenChanger can be used to temporarily change the DC pen and
1255 restore it automatically when the object goes out of scope", "");
1256
1257 class wxDCPenChanger
1258 {
1259 public:
1260 wxDCPenChanger(wxDC& dc, const wxPen& pen);
1261 ~wxDCPenChanger();
1262 };
1263
1264
1265
1266 DocStr(wxDCBrushChanger,
1267 "wx.DCBrushChanger can be used to temporarily change the DC brush and
1268 restore it automatically when the object goes out of scope", "");
1269
1270 class wxDCBrushChanger
1271 {
1272 public:
1273 wxDCBrushChanger(wxDC& dc, const wxBrush& brush);
1274 ~wxDCBrushChanger();
1275 };
1276
1277
1278 DocStr(wxDCClipper,
1279 "wx.wxDCClipper sets the DC's clipping region when it is constructed,
1280 and then automatically destroys the clipping region when the clipper
1281 goes out of scope.", "");
1282
1283 class wxDCClipper
1284 {
1285 public:
1286 %nokwargs wxDCClipper;
1287 wxDCClipper(wxDC& dc, const wxRegion& r);
1288 wxDCClipper(wxDC& dc, const wxRect& r);
1289 wxDCClipper(wxDC& dc, wxCoord x, wxCoord y, wxCoord w, wxCoord h);
1290 ~wxDCClipper();
1291 };
1292
1293
1294
1295
1296 //---------------------------------------------------------------------------
1297 %newgroup
1298
1299 MustHaveApp(wxMemoryDC);
1300
1301 DocStr(wxMemoryDC,
1302 "A memory device context provides a means to draw graphics onto a
1303 bitmap. A bitmap must be selected into the new memory DC before it may
1304 be used for anything. Typical usage is as follows::
1305
1306 dc = wx.MemoryDC()
1307 dc.SelectObject(bitmap)
1308 # draw on the dc using any of the Draw methods
1309 dc.SelectObject(wx.NullBitmap)
1310 # the bitmap now contains wahtever was drawn upon it
1311
1312 Note that the memory DC *must* be deleted (or the bitmap selected out
1313 of it) before a bitmap can be reselected into another memory DC.
1314 ", "");
1315
1316 class wxMemoryDC : public wxDC {
1317 public:
1318 DocCtorStr(
1319 wxMemoryDC(const wxBitmap& bitmap = wxNullBitmap),
1320 "Constructs a new memory device context.
1321
1322 Use the Ok member to test whether the constructor was successful in
1323 creating a usable device context. If a bitmap is not given to this
1324 constructor then don't forget to select a bitmap into the DC before
1325 drawing on it.", "
1326
1327 :see: `MemoryDCFromDC`");
1328
1329 DocCtorStrName(
1330 wxMemoryDC(wxDC* oldDC),
1331 "Creates a DC that is compatible with the oldDC.", "",
1332 MemoryDCFromDC);
1333
1334
1335 DocDeclStr(
1336 void , SelectObject(const wxBitmap& bitmap),
1337 "Selects the bitmap into the device context, to use as the memory
1338 bitmap. Selecting the bitmap into a memory DC allows you to draw into
1339 the DC, and therefore the bitmap, and also to use Blit to copy the
1340 bitmap to a window.
1341
1342 If the argument is wx.NullBitmap (or some other uninitialised
1343 `wx.Bitmap`) the current bitmap is selected out of the device context,
1344 and the original bitmap restored, allowing the current bitmap to be
1345 destroyed safely.", "");
1346
1347 };
1348
1349 //---------------------------------------------------------------------------
1350 %newgroup
1351
1352 MustHaveApp(wxScreenDC);
1353
1354 DocStr(wxScreenDC,
1355 "A wxScreenDC can be used to paint anywhere on the screen. This should
1356 normally be constructed as a temporary stack object; don't store a
1357 wxScreenDC object.
1358 ", "");
1359 class wxScreenDC : public wxDC {
1360 public:
1361 wxScreenDC();
1362
1363 DocDeclStrName(
1364 bool , StartDrawingOnTop(wxWindow* window),
1365 "Specify that the area of the screen to be drawn upon coincides with
1366 the given window.
1367
1368 :see: `EndDrawingOnTop`", "",
1369 StartDrawingOnTopWin);
1370
1371
1372 DocDeclStr(
1373 bool , StartDrawingOnTop(wxRect* rect = NULL),
1374 "Specify that the area is the given rectangle, or the whole screen if
1375 ``None`` is passed.
1376
1377 :see: `EndDrawingOnTop`", "");
1378
1379
1380 DocDeclStr(
1381 bool , EndDrawingOnTop(),
1382 "Use this in conjunction with `StartDrawingOnTop` or
1383 `StartDrawingOnTopWin` to ensure that drawing to the screen occurs on
1384 top of existing windows. Without this, some window systems (such as X)
1385 only allow drawing to take place underneath other windows.
1386
1387 You might use this pair of functions when implementing a drag feature,
1388 for example as in the `wx.SplitterWindow` implementation.
1389
1390 These functions are probably obsolete since the X implementations
1391 allow drawing directly on the screen now. However, the fact that this
1392 function allows the screen to be refreshed afterwards may be useful
1393 to some applications.", "");
1394
1395 };
1396
1397 //---------------------------------------------------------------------------
1398 %newgroup
1399
1400 MustHaveApp(wxWindowDC);
1401
1402 DocStr(wxWindowDC,
1403 "A wx.WindowDC must be constructed if an application wishes to paint on
1404 the whole area of a window (client and decorations). This should
1405 normally be constructed as a temporary stack object; don't store a
1406 wx.WindowDC object.","");
1407 class wxWindowDC : public wxDC {
1408 public:
1409 DocCtorStr(
1410 wxWindowDC(wxWindow* win),
1411 "Constructor. Pass the window on which you wish to paint.","");
1412 };
1413
1414 //---------------------------------------------------------------------------
1415 %newgroup
1416
1417 MustHaveApp(wxClientDC);
1418
1419 DocStr(wxClientDC,
1420 "A wx.ClientDC must be constructed if an application wishes to paint on
1421 the client area of a window from outside an EVT_PAINT event. This should
1422 normally be constructed as a temporary stack object; don't store a
1423 wx.ClientDC object long term.
1424
1425 To draw on a window from within an EVT_PAINT handler, construct a
1426 `wx.PaintDC` object.
1427
1428 To draw on the whole window including decorations, construct a
1429 `wx.WindowDC` object (Windows only).
1430 ", "");
1431 class wxClientDC : public wxWindowDC {
1432 public:
1433 DocCtorStr(
1434 wxClientDC(wxWindow* win),
1435 "Constructor. Pass the window on which you wish to paint.", "");
1436 };
1437
1438 //---------------------------------------------------------------------------
1439 %newgroup
1440
1441 MustHaveApp(wxPaintDC);
1442
1443 DocStr(wxPaintDC,
1444 "A wx.PaintDC must be constructed if an application wishes to paint on
1445 the client area of a window from within an EVT_PAINT event
1446 handler. This should normally be constructed as a temporary stack
1447 object; don't store a wx.PaintDC object. If you have an EVT_PAINT
1448 handler, you **must** create a wx.PaintDC object within it even if you
1449 don't actually use it.
1450
1451 Using wx.PaintDC within EVT_PAINT handlers is important because it
1452 automatically sets the clipping area to the damaged area of the
1453 window. Attempts to draw outside this area do not appear.
1454
1455 To draw on a window from outside EVT_PAINT handlers, construct a
1456 `wx.ClientDC` object.
1457 ","");
1458 class wxPaintDC : public wxClientDC {
1459 public:
1460 DocCtorStr(
1461 wxPaintDC(wxWindow* win),
1462 "Constructor. Pass the window on which you wish to paint.", "");
1463 };
1464
1465
1466
1467 //---------------------------------------------------------------------------
1468 %newgroup
1469
1470
1471 %{
1472 #include <wx/dcbuffer.h>
1473 %}
1474
1475 enum {
1476 wxBUFFER_VIRTUAL_AREA,
1477 wxBUFFER_CLIENT_AREA
1478 };
1479
1480 MustHaveApp(wxBufferedDC);
1481
1482 DocStr(wxBufferedDC,
1483 "This simple class provides a simple way to avoid flicker: when drawing
1484 on it, everything is in fact first drawn on an in-memory buffer (a
1485 `wx.Bitmap`) and then copied to the screen only once, when this object
1486 is destroyed. You can either provide a buffer bitmap yourself, and
1487 reuse it the next time something needs painted, or you can let the
1488 buffered DC create and provide a buffer bitmap itself.
1489
1490 Buffered DCs can be used in the same way as any other device context.
1491 wx.BufferedDC itself typically replaces `wx.ClientDC`, if you want to
1492 use it in your EVT_PAINT handler, you should look at
1493 `wx.BufferedPaintDC`. You can also use a wx.BufferedDC without
1494 providing a target DC. In this case the operations done on the dc
1495 will only be written to the buffer bitmap and *not* to any window, so
1496 you will want to have provided the buffer bitmap and then reuse it
1497 when it needs painted to the window.
1498
1499 Please note that GTK+ 2.0 and OS X provide double buffering themselves
1500 natively. You may want to use `wx.Window.IsDoubleBuffered` to
1501 determine whether you need to use buffering or not, or use
1502 `wx.AutoBufferedPaintDC` to avoid needless double buffering on systems
1503 that already do it automatically.
1504
1505
1506 ", "");
1507
1508 class wxBufferedDC : public wxMemoryDC
1509 {
1510 public:
1511 %pythonAppend wxBufferedDC
1512 "self.__dc = args[0] # save a ref so the other dc will not be deleted before self";
1513
1514 %nokwargs wxBufferedDC;
1515
1516 DocStr(
1517 wxBufferedDC,
1518 "Constructs a buffered DC.", "
1519
1520 :param dc: The underlying DC: everything drawn to this object will
1521 be flushed to this DC when this object is destroyed. You may
1522 pass ``None`` in order to just initialize the buffer, and not
1523 flush it.
1524
1525 :param buffer: If a `wx.Size` object is passed as the 2nd arg then
1526 it is the size of the bitmap that will be created internally
1527 and used for an implicit buffer. If the 2nd arg is a
1528 `wx.Bitmap` then it is the explicit buffer that will be
1529 used. Using an explicit buffer is the most efficient solution
1530 as the bitmap doesn't have to be recreated each time but it
1531 also requires more memory as the bitmap is never freed. The
1532 bitmap should have appropriate size, anything drawn outside of
1533 its bounds is clipped. If wx.NullBitmap is used then a new
1534 buffer will be allocated that is the same size as the dc.
1535
1536 :param style: The style parameter indicates whether the supplied buffer is
1537 intended to cover the entire virtual size of a `wx.ScrolledWindow` or
1538 if it only covers the client area. Acceptable values are
1539 ``wx.BUFFER_VIRTUAL_AREA`` and ``wx.BUFFER_CLIENT_AREA``.
1540
1541 ");
1542 wxBufferedDC( wxDC* dc,
1543 const wxBitmap& buffer=wxNullBitmap,
1544 int style = wxBUFFER_CLIENT_AREA );
1545 wxBufferedDC( wxDC* dc,
1546 const wxSize& area,
1547 int style = wxBUFFER_CLIENT_AREA );
1548 // wxBufferedDC(wxWindow* win,
1549 // wxDC *dc,
1550 // const wxSize &area,
1551 // int style = wxBUFFER_CLIENT_AREA);
1552
1553
1554 DocCtorStr(
1555 ~wxBufferedDC(),
1556 "Copies everything drawn on the DC so far to the underlying DC
1557 associated with this object, if any.", "");
1558
1559
1560 DocDeclStr(
1561 void , UnMask(),
1562 "Blits the buffer to the dc, and detaches the dc from the buffer (so it
1563 can be effectively used once only). This is usually only called in
1564 the destructor.", "");
1565
1566 };
1567
1568
1569
1570
1571 MustHaveApp(wxBufferedPaintDC);
1572
1573 DocStr(wxBufferedPaintDC,
1574 "This is a subclass of `wx.BufferedDC` which can be used inside of an
1575 EVT_PAINT event handler. Just create an object of this class instead
1576 of `wx.PaintDC` and that's all you have to do to (mostly) avoid
1577 flicker. The only thing to watch out for is that if you are using this
1578 class together with `wx.ScrolledWindow`, you probably do **not** want
1579 to call `wx.Window.PrepareDC` on it as it already does this internally
1580 for the real underlying `wx.PaintDC`.
1581
1582 If your window is already fully buffered in a `wx.Bitmap` then your
1583 EVT_PAINT handler can be as simple as just creating a
1584 ``wx.BufferedPaintDC`` as it will `Blit` the buffer to the window
1585 automatically when it is destroyed. For example::
1586
1587 def OnPaint(self, event):
1588 dc = wx.BufferedPaintDC(self, self.buffer)
1589
1590
1591 ", "");
1592
1593 class wxBufferedPaintDC : public wxBufferedDC
1594 {
1595 public:
1596
1597 DocCtorStr(
1598 wxBufferedPaintDC( wxWindow *window,
1599 const wxBitmap &buffer = wxNullBitmap,
1600 int style = wxBUFFER_CLIENT_AREA),
1601 "Create a buffered paint DC. As with `wx.BufferedDC`, you may either
1602 provide the bitmap to be used for buffering or let this object create
1603 one internally (in the latter case, the size of the client part of the
1604 window is automatically used).", "");
1605
1606 };
1607
1608 //---------------------------------------------------------------------------
1609 %newgroup
1610
1611 // Epydoc doesn't like this for some strange reason...
1612 // %pythoncode {
1613 // if 'wxMac' in wx.PlatformInfo or 'gtk2' in wx.PlatformInfo:
1614 // _AutoBufferedPaintDCBase = PaintDC
1615 // else:
1616 // _AutoBufferedPaintDCBase = BufferedPaintDC
1617
1618 // class AutoBufferedPaintDC(_AutoBufferedPaintDCBase):
1619 // """
1620 // If the current platform double buffers by default then this DC is the
1621 // same as a plain `wx.PaintDC`, otherwise it is a `wx.BufferedPaintDC`.
1622
1623 // :see: `wx.AutoBufferedPaintDCFactory`
1624 // """
1625 // def __init__(self, window):
1626 // _AutoBufferedPaintDCBase.__init__(self, window)
1627 // }
1628
1629
1630 DocStr(wxAutoBufferedPaintDC,
1631 "If the current platform double buffers by default then this DC is the
1632 same as a plain `wx.PaintDC`, otherwise it is a `wx.BufferedPaintDC`.
1633
1634 :see: `wx.AutoBufferedPaintDCFactory`
1635 ", "");
1636
1637 class wxAutoBufferedPaintDC: public wxDC
1638 {
1639 public:
1640 wxAutoBufferedPaintDC(wxWindow* win);
1641 };
1642
1643
1644 %newobject wxAutoBufferedPaintDCFactory;
1645 DocDeclStr(
1646 wxDC* , wxAutoBufferedPaintDCFactory(wxWindow* window),
1647 "Checks if the window is natively double buffered and will return a
1648 `wx.PaintDC` if it is, a `wx.BufferedPaintDC` otherwise. The advantage of
1649 this function over `wx.AutoBufferedPaintDC` is that this function will check
1650 if the the specified window has double-buffering enabled rather than just
1651 going by platform defaults.", "");
1652
1653
1654
1655 //---------------------------------------------------------------------------
1656 %newgroup
1657
1658 MustHaveApp(wxMirrorDC);
1659
1660 DocStr(wxMirrorDC,
1661 "wx.MirrorDC is a simple wrapper class which is always associated with a
1662 real `wx.DC` object and either forwards all of its operations to it
1663 without changes (no mirroring takes place) or exchanges x and y
1664 coordinates which makes it possible to reuse the same code to draw a
1665 figure and its mirror -- i.e. reflection related to the diagonal line
1666 x == y.", "");
1667 class wxMirrorDC : public wxDC
1668 {
1669 public:
1670 DocCtorStr(
1671 wxMirrorDC(wxDC& dc, bool mirror),
1672 "Creates a mirrored DC associated with the real *dc*. Everything drawn
1673 on the wx.MirrorDC will appear on the *dc*, and will be mirrored if
1674 *mirror* is True.","");
1675 };
1676
1677 //---------------------------------------------------------------------------
1678 %newgroup
1679
1680 %{
1681 #include <wx/dcps.h>
1682 %}
1683
1684 MustHaveApp(wxPostScriptDC);
1685
1686 DocStr(wxPostScriptDC,
1687 "This is a `wx.DC` that can write to PostScript files on any platform.","");
1688
1689 class wxPostScriptDC : public wxDC {
1690 public:
1691 DocCtorStr(
1692 wxPostScriptDC(const wxPrintData& printData),
1693 "Constructs a PostScript printer device context from a `wx.PrintData`
1694 object.", "");
1695
1696 wxPrintData& GetPrintData();
1697 void SetPrintData(const wxPrintData& data);
1698
1699 DocDeclStr(
1700 static void , SetResolution(int ppi),
1701 "Set resolution (in pixels per inch) that will be used in PostScript
1702 output. Default is 720ppi.", "");
1703
1704 DocDeclStr(
1705 static int , GetResolution(),
1706 "Return resolution used in PostScript output.", "");
1707
1708 %property(PrintData, GetPrintData, SetPrintData, doc="See `GetPrintData` and `SetPrintData`");
1709 };
1710
1711 //---------------------------------------------------------------------------
1712 %newgroup
1713
1714
1715 MustHaveApp(wxMetaFile);
1716 MustHaveApp(wxMetaFileDC);
1717
1718
1719 #if defined(__WXMSW__) || defined(__WXMAC__)
1720
1721 %{
1722 #include <wx/metafile.h>
1723 %}
1724
1725 class wxMetaFile : public wxObject {
1726 public:
1727 wxMetaFile(const wxString& filename = wxPyEmptyString);
1728 ~wxMetaFile();
1729
1730 bool IsOk();
1731 %pythoncode { Ok = IsOk }
1732 bool SetClipboard(int width = 0, int height = 0);
1733
1734 wxSize GetSize();
1735 int GetWidth();
1736 int GetHeight();
1737
1738 #ifdef __WXMSW__
1739 const wxString& GetFileName() const;
1740 #endif
1741
1742 %pythoncode { def __nonzero__(self): return self.IsOk() }
1743 };
1744
1745 // bool wxMakeMetaFilePlaceable(const wxString& filename,
1746 // int minX, int minY, int maxX, int maxY, float scale=1.0);
1747
1748
1749 class wxMetaFileDC : public wxDC {
1750 public:
1751 wxMetaFileDC(const wxString& filename = wxPyEmptyString,
1752 int width = 0, int height = 0,
1753 const wxString& description = wxPyEmptyString);
1754 wxMetaFile* Close();
1755 };
1756
1757
1758
1759 #else // Make some dummies for the other platforms
1760
1761 %{
1762 class wxMetaFile : public wxObject {
1763 public:
1764 wxMetaFile(const wxString&)
1765 { wxPyRaiseNotImplemented(); }
1766 };
1767
1768 class wxMetaFileDC : public wxClientDC {
1769 public:
1770 wxMetaFileDC(const wxString&, int, int, const wxString&)
1771 { wxPyRaiseNotImplemented(); }
1772 };
1773
1774 %}
1775
1776 class wxMetaFile : public wxObject {
1777 public:
1778 wxMetaFile(const wxString& filename = wxPyEmptyString);
1779 };
1780
1781 class wxMetaFileDC : public wxDC {
1782 public:
1783 wxMetaFileDC(const wxString& filename = wxPyEmptyString,
1784 int width = 0, int height = 0,
1785 const wxString& description = wxPyEmptyString);
1786 };
1787
1788
1789 #endif
1790
1791
1792 //---------------------------------------------------------------------------
1793
1794 MustHaveApp(wxPrinterDC);
1795
1796 #if defined(__WXMSW__) || defined(__WXMAC__)
1797
1798 class wxPrinterDC : public wxDC {
1799 public:
1800 wxPrinterDC(const wxPrintData& printData);
1801 };
1802
1803 #else
1804 %{
1805 class wxPrinterDC : public wxClientDC {
1806 public:
1807 wxPrinterDC(const wxPrintData&)
1808 { wxPyRaiseNotImplemented(); }
1809
1810 };
1811 %}
1812
1813 class wxPrinterDC : public wxDC {
1814 public:
1815 wxPrinterDC(const wxPrintData& printData);
1816 };
1817 #endif
1818
1819 //---------------------------------------------------------------------------
1820 //---------------------------------------------------------------------------