%newgroup;
-// wxDC is the device context - object on which any drawing is done
+DocStr(wxDC,
+"A wx.DC is a device context onto which graphics and text can be
+drawn. It is intended to represent a number of output devices in a
+generic way, so a window can have a device context associated with it,
+and a printer also has a device context. In this way, the same piece
+of code may write to a number of different devices, if the device
+context is used as a parameter.
+
+Derived types of wxDC have documentation for specific features only,
+so refer to this section for most device context information.
+
+The wx.DC class is abstract and can not be instantiated, you must use
+one of the derived classes instead. Which one will depend on the
+situation in which it is used.", "");
+
class wxDC : public wxObject {
public:
// wxDC(); **** abstract base class, can't instantiate.
~wxDC();
- virtual void BeginDrawing();
- virtual void EndDrawing();
+ DocDeclStr(
+ virtual void , BeginDrawing(),
+ "Allows for optimization of drawing code on platforms that need it. On
+other platforms this is just an empty function and is harmless. To
+take advantage of this postential optimization simply enclose each
+group of calls to the drawing primitives within calls to
+`BeginDrawing` and `EndDrawing`.", "");
+
+ DocDeclStr(
+ virtual void , EndDrawing(),
+ "Ends the group of drawing primitives started with `BeginDrawing`, and
+invokes whatever optimization is available for this DC type on the
+current platform.", "");
+
+
+// TODO virtual void DrawObject(wxDrawObject* drawobject);
-// virtual void DrawObject(wxDrawObject* drawobject);
+ DocStr(
+ FloodFill,
+ "Flood fills the device context starting from the given point, using
+the current brush colour, and using a style:
+ - **wxFLOOD_SURFACE**: the flooding occurs until a colour other than
+ the given colour is encountered.
-#if defined(wxUSE_DC_OLD_METHODS)
+ - **wxFLOOD_BORDER**: the area to be flooded is bounded by the given
+ colour.
+Returns False if the operation failed.
+
+Note: The present implementation for non-Windows platforms may fail to
+find colour borders if the pixels do not match the colour
+exactly. However the function will still return true.", "");
bool FloodFill(wxCoord x, wxCoord y, const wxColour& col, int style = wxFLOOD_SURFACE);
- //bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const;
+ %Rename(FloodFillPoint, bool, FloodFill(const wxPoint& pt, const wxColour& col, int style = wxFLOOD_SURFACE));
+
+
+ DocStr(
+ GetPixel,
+ "Gets the colour at the specified location on the DC.","");
%extend {
wxColour GetPixel(wxCoord x, wxCoord y) {
wxColour col;
self->GetPixel(x, y, &col);
return col;
}
+ wxColour GetPixelPoint(const wxPoint& pt) {
+ wxColour col;
+ self->GetPixel(pt, &col);
+ return col;
+ }
}
+
+
+ DocStr(
+ DrawLine,
+ "Draws a line from the first point to the second. The current pen is
+used for drawing the line. Note that the second point is *not* part of
+the line and is not drawn by this function (this is consistent with
+the behaviour of many other toolkits).", "");
void DrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
+ %Rename(DrawLinePoint, void, DrawLine(const wxPoint& pt1, const wxPoint& pt2));
+
+
+ DocStr(
+ CrossHair,
+ "Displays a cross hair using the current pen. This is a vertical and
+horizontal line the height and width of the window, centred on the
+given point.", "");
void CrossHair(wxCoord x, wxCoord y);
+ %Rename(CrossHairPoint, void, CrossHair(const wxPoint& pt));
+
+
+ DocStr(
+ DrawArc,
+ "Draws an arc of a circle, centred on the *center* point (xc, yc), from
+the first point to the second. The current pen is used for the outline
+and the current brush for filling the shape.
+
+The arc is drawn in an anticlockwise direction from the start point to
+the end point.", "");
void DrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc);
+ %Rename(DrawArcPoint, void, DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& center));
+
+
+ DocStr(
+ DrawCheckMark,
+ "Draws a check mark inside the given rectangle.", "");
void DrawCheckMark(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
- void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, double sa, double ea);
+ %Rename(DrawCheckMarkRect, void, DrawCheckMark(const wxRect& rect));
+
+ DocStr(
+ DrawEllipticArc,
+ "Draws an arc of an ellipse, with the given rectangle defining the
+bounds of the ellipse. The current pen is used for drawing the arc and
+the current brush is used for drawing the pie.
+
+The *start* and *end* parameters specify the start and end of the arc
+relative to the three-o'clock position from the center of the
+rectangle. Angles are specified in degrees (360 is a complete
+circle). Positive values mean counter-clockwise motion. If start is
+equal to end, a complete ellipse will be drawn.", "");
+ void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, double start, double end);
+ %Rename(DrawEllipticArcPointSize, void, DrawEllipticArc(const wxPoint& pt, const wxSize& sz, double start, double end));
+
+
+ DocStr(
+ DrawPoint,
+ "Draws a point using the current pen.", "");
void DrawPoint(wxCoord x, wxCoord y);
+ %Rename(DrawPointPoint, void, DrawPoint(const wxPoint& pt));
+
+
+ DocStr(
+ DrawRectangle,
+ "Draws a rectangle with the given top left corner, and with the given
+size. The current pen is used for the outline and the current brush
+for filling the shape.", "");
void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
- %name(DrawRectangleRect)void DrawRectangle(const wxRect& rect);
+ %Rename(DrawRectangleRect,void, DrawRectangle(const wxRect& rect));
+ %Rename(DrawRectanglePointSize, void, DrawRectangle(const wxPoint& pt, const wxSize& sz));
+
+
+ DocStr(
+ DrawRoundedRectangle,
+ "Draws a rectangle with the given top left corner, and with the given
+size. The corners are quarter-circles using the given radius. The
+current pen is used for the outline and the current brush for filling
+the shape.
+
+If radius is positive, the value is assumed to be the radius of the
+rounded corner. If radius is negative, the absolute value is assumed
+to be the proportion of the smallest dimension of the rectangle. This
+means that the corner can be a sensible size relative to the size of
+the rectangle, and also avoids the strange effects X produces when the
+corners are too big for the rectangle.", "");
void DrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius);
+ %Rename(DrawRoundedRectangleRect, void, DrawRoundedRectangle(const wxRect& r, double radius));
+ %Rename(DrawRoundedRectanglePointSize, void, DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz, double radius));
+
+
+ DocStr(
+ DrawCircle,
+ "Draws a circle with the given center point and radius. The current
+pen is used for the outline and the current brush for filling the
+shape.", "
+
+:see: `DrawEllipse`");
void DrawCircle(wxCoord x, wxCoord y, wxCoord radius);
- void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
- void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
- void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask = False);
- void DrawText(const wxString& text, wxCoord x, wxCoord y);
- void DrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
- bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
- wxDC *source, wxCoord xsrc, wxCoord ysrc,
- int rop = wxCOPY, bool useMask = False,
- wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
+ %Rename(DrawCirclePoint, void, DrawCircle(const wxPoint& pt, wxCoord radius));
+ DocStr(
+ DrawEllipse,
+ "Draws an ellipse contained in the specified rectangle. The current pen
+is used for the outline and the current brush for filling the shape.", "
-#else // The new way
+:see: `DrawCircle`");
+ void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
+ %Rename(DrawEllipseRect, void, DrawEllipse(const wxRect& rect));
+ %Rename(DrawEllipsePointSize, void, DrawEllipse(const wxPoint& pt, const wxSize& sz));
- %name(FloodFillXY) bool FloodFill(wxCoord x, wxCoord y, const wxColour& col, int style = wxFLOOD_SURFACE);
- bool FloodFill(const wxPoint& pt, const wxColour& col, int style = wxFLOOD_SURFACE);
- //%name(GetPixelXY) bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const;
- //bool GetPixel(const wxPoint& pt, wxColour *col) const;
- %extend {
- wxColour GetPixelXY(wxCoord x, wxCoord y) {
- wxColour col;
- self->GetPixel(x, y, &col);
- return col;
- }
- wxColour GetPixel(const wxPoint& pt) {
- wxColour col;
- self->GetPixel(pt, &col);
- return col;
- }
- }
- %name(DrawLineXY) void DrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
- void DrawLine(const wxPoint& pt1, const wxPoint& pt2);
+ DocStr(
+ DrawIcon,
+ "Draw an icon on the display (does nothing if the device context is
+PostScript). This can be the simplest way of drawing bitmaps on a
+window.", "");
+ void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
+ %Rename(DrawIconPoint, void, DrawIcon(const wxIcon& icon, const wxPoint& pt));
- %name(CrossHairXY) void CrossHair(wxCoord x, wxCoord y);
- void CrossHair(const wxPoint& pt);
- %name(DrawArcXY) void DrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc);
- void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre);
+ DocStr(
+ DrawBitmap,
+ "Draw a bitmap on the device context at the specified point. If
+*transparent* is true and the bitmap has a transparency mask, (or
+alpha channel on the platforms that support it) then the bitmap will
+be drawn transparently.", "
- %name(DrawCheckMarkXY) void DrawCheckMark(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
- void DrawCheckMark(const wxRect& rect);
+When drawing a mono-bitmap, the current text foreground colour will be
+used to draw the foreground of the bitmap (all bits set to 1), and the
+current text background colour to draw the background (all bits set to
+0).
- %name(DrawEllipticArcXY) void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, double sa, double ea);
- void DrawEllipticArc(const wxPoint& pt, const wxSize& sz, double sa, double ea);
+:see: `SetTextForeground`, `SetTextBackground` and `wx.MemoryDC`");
+ void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask = false);
+ %Rename(DrawBitmapPoint, void, DrawBitmap(const wxBitmap &bmp, const wxPoint& pt, bool useMask = false));
- %name(DrawPointXY) void DrawPoint(wxCoord x, wxCoord y);
- void DrawPoint(const wxPoint& pt);
- %name(DrawRectangleXY) void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
- void DrawRectangle(const wxPoint& pt, const wxSize& sz);
- %name(DrawRectangleRect) void DrawRectangle(const wxRect& rect);
+ DocStr(
+ DrawText,
+ "Draws a text string at the specified point, using the current text
+font, and the current text foreground and background colours.
- %name(DrawRoundedRectangleXY) void DrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius);
- void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz, double radius);
- %name(DrawRoundedRectangleRect) void DrawRoundedRectangle(const wxRect& r, double radius);
+The coordinates refer to the top-left corner of the rectangle bounding
+the string. See `GetTextExtent` for how to get the dimensions of a
+text string, which can be used to position the text more precisely.
- %name(DrawCircleXY) void DrawCircle(wxCoord x, wxCoord y, wxCoord radius);
- void DrawCircle(const wxPoint& pt, wxCoord radius);
+**NOTE**: under wxGTK the current logical function is used by this
+function but it is ignored by wxMSW. Thus, you should avoid using
+logical functions with this function in portable programs.", "
- %name(DrawEllipseXY) void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
- void DrawEllipse(const wxPoint& pt, const wxSize& sz);
- %name(DrawEllipseRect) void DrawEllipse(const wxRect& rect);
+:see: `DrawRotatedText`");
+ void DrawText(const wxString& text, wxCoord x, wxCoord y);
+ %Rename(DrawTextPoint, void, DrawText(const wxString& text, const wxPoint& pt));
- %name(DrawIconXY) void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
- void DrawIcon(const wxIcon& icon, const wxPoint& pt);
- %name(DrawBitmapXY) void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask = False);
- void DrawBitmap(const wxBitmap &bmp, const wxPoint& pt, bool useMask = False);
+ DocStr(
+ DrawRotatedText,
+ "Draws the text rotated by *angle* degrees, if supported by the platform.
- %name(DrawTextXY) void DrawText(const wxString& text, wxCoord x, wxCoord y);
- void DrawText(const wxString& text, const wxPoint& pt);
+**NOTE**: Under Win9x only TrueType fonts can be drawn by this
+function. In particular, a font different from ``wx.NORMAL_FONT``
+should be used as the it is not normally a TrueType
+font. ``wx.SWISS_FONT`` is an example of a font which is.","
- %name(DrawRotatedTextXY) void DrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
- void DrawRotatedText(const wxString& text, const wxPoint& pt, double angle);
+:see: `DrawText`");
+ void DrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
+ %Rename(DrawRotatedTextPoint, void, DrawRotatedText(const wxString& text, const wxPoint& pt, double angle));
+
+
+ DocDeclStr(
+ bool , Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
+ wxDC *source, wxCoord xsrc, wxCoord ysrc,
+ int rop = wxCOPY, bool useMask = false,
+ wxCoord xsrcMask = -1, wxCoord ysrcMask = -1),
+ "Copy from a source DC to this DC. Parameters specify the destination
+coordinates, size of area to copy, source DC, source coordinates,
+logical function, whether to use a bitmap mask, and mask source
+position.", "
+
+ :param xdest: Destination device context x position.
+ :param ydest: Destination device context y position.
+ :param width: Width of source area to be copied.
+ :param height: Height of source area to be copied.
+ :param source: Source device context.
+ :param xsrc: Source device context x position.
+ :param ysrc: Source device context y position.
+ :param rop: Logical function to use: see `SetLogicalFunction`.
+ :param useMask: If true, Blit does a transparent blit using the mask
+ that is associated with the bitmap selected into the
+ source device context.
+ :param xsrcMask: Source x position on the mask. If both xsrcMask and
+ ysrcMask are -1, xsrc and ysrc will be assumed for
+ the mask source position.
+ :param ysrcMask: Source y position on the mask.
+");
+
+ DocDeclStrName(
+ bool , Blit(const wxPoint& destPt, const wxSize& sz,
+ wxDC *source, const wxPoint& srcPt,
+ int rop = wxCOPY, bool useMask = false,
+ const wxPoint& srcPtMask = wxDefaultPosition),
+ "Copy from a source DC to this DC. Parameters specify the destination
+coordinates, size of area to copy, source DC, source coordinates,
+logical function, whether to use a bitmap mask, and mask source
+position.", "
+
+ :param destPt: Destination device context position.
+ :param sz: Size of source area to be copied.
+ :param source: Source device context.
+ :param srcPt: Source device context position.
+ :param rop: Logical function to use: see `SetLogicalFunction`.
+ :param useMask: If true, Blit does a transparent blit using the mask
+ that is associated with the bitmap selected into the
+ source device context.
+ :param srcPtMask: Source position on the mask.
+",
+ BlitPointSize);
+
+ DocStr(
+ SetClippingRegion,
+ "Sets the clipping region for this device context to the intersection
+of the given region described by the parameters of this method and the
+previously set clipping region. You should call `DestroyClippingRegion`
+if you want to set the clipping region exactly to the region
+specified.
- %name(BlitXY) bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
- wxDC *source, wxCoord xsrc, wxCoord ysrc,
- int rop = wxCOPY, bool useMask = False,
- wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
- bool Blit(const wxPoint& destPt, const wxSize& sz,
- wxDC *source, const wxPoint& srcPt,
- int rop = wxCOPY, bool useMask = False,
- const wxPoint& srcPtMask = wxDefaultPosition);
+The clipping region is an area to which drawing is
+restricted. Possible uses for the clipping region are for clipping
+text or for speeding up window redraws when only a known area of the
+screen is damaged.", "
+
+:see: `DestroyClippingRegion`, `wx.Region`");
+ void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
+ %Rename(SetClippingRegionPointSize, void, SetClippingRegion(const wxPoint& pt, const wxSize& sz));
+ %Rename(SetClippingRegionAsRegion, void, SetClippingRegion(const wxRegion& region));
+ %Rename(SetClippingRect, void, SetClippingRegion(const wxRect& rect));
-#endif
- void DrawLines(int points, wxPoint* points_array, wxCoord xoffset = 0, wxCoord yoffset = 0);
+
+ DocDeclAStr(
+ void , DrawLines(int points, wxPoint* points_array,
+ wxCoord xoffset = 0, wxCoord yoffset = 0),
+ "DrawLines(self, List points, int xoffset=0, int yoffset=0)",
+ "Draws lines using a sequence of `wx.Point` objects, adding the
+optional offset coordinate. The current pen is used for drawing the
+lines.", "");
+
- void DrawPolygon(int points, wxPoint* points_array,
+ DocDeclAStr(
+ void , DrawPolygon(int points, wxPoint* points_array,
wxCoord xoffset = 0, wxCoord yoffset = 0,
- int fillStyle = wxODDEVEN_RULE);
+ int fillStyle = wxODDEVEN_RULE),
+ "DrawPolygon(self, List points, int xoffset=0, int yoffset=0,
+ int fillStyle=ODDEVEN_RULE)",
+ "Draws a filled polygon using a sequence of `wx.Point` objects, adding
+the optional offset coordinate. The last argument specifies the fill
+rule: ``wx.ODDEVEN_RULE`` (the default) or ``wx.WINDING_RULE``.
+
+The current pen is used for drawing the outline, and the current brush
+for filling the shape. Using a transparent brush suppresses
+filling. Note that wxWidgets automatically closes the first and last
+points.", "");
+
// TODO: Figure out a good typemap for this...
// Convert the first 3 args from a sequence of sequences?
// int fillStyle = wxODDEVEN_RULE);
- // this version puts both optional bitmap and the text into the given
- // rectangle and aligns is as specified by alignment parameter; it also
- // will emphasize the character with the given index if it is != -1 and
- // return the bounding rectangle if required
- void DrawLabel(const wxString& text, const wxRect& rect,
- int alignment = wxALIGN_LEFT | wxALIGN_TOP,
- int indexAccel = -1);
+ DocDeclStr(
+ void , DrawLabel(const wxString& text, const wxRect& rect,
+ int alignment = wxALIGN_LEFT | wxALIGN_TOP,
+ int indexAccel = -1),
+ "Draw *text* within the specified rectangle, abiding by the alignment
+flags. Will additionally emphasize the character at *indexAccel* if
+it is not -1.", "
+
+:see: `DrawImageLabel`");
+
+
%extend {
+ DocStr(DrawImageLabel,
+ "Draw *text* and an image (which may be ``wx.NullBitmap`` to skip
+drawing it) within the specified rectangle, abiding by the alignment
+flags. Will additionally emphasize the character at *indexAccel* if
+it is not -1. Returns the bounding rectangle.", "");
wxRect DrawImageLabel(const wxString& text,
const wxBitmap& image,
const wxRect& rect,
- void DrawSpline(int points, wxPoint* points_array);
+ DocDeclAStr(
+ void , DrawSpline(int points, wxPoint* points_array),
+ "DrawSpline(self, List points)",
+ "Draws a spline between all given control points, (a list of `wx.Point`
+objects) using the current pen. The spline is drawn using a series of
+lines, using an algorithm taken from the X drawing program 'XFIG'.", "");
+
// global DC operations
// --------------------
- virtual void Clear();
+ DocDeclStr(
+ virtual void , Clear(),
+ "Clears the device context using the current background brush.", "");
+
- virtual bool StartDoc(const wxString& message);
- virtual void EndDoc();
+ DocDeclStr(
+ virtual bool , StartDoc(const wxString& message),
+ "Starts a document (only relevant when outputting to a
+printer). *Message* is a message to show whilst printing.", "");
+
+ DocDeclStr(
+ virtual void , EndDoc(),
+ "Ends a document (only relevant when outputting to a printer).", "");
+
- virtual void StartPage();
- virtual void EndPage();
+ DocDeclStr(
+ virtual void , StartPage(),
+ "Starts a document page (only relevant when outputting to a printer).", "");
+
+ DocDeclStr(
+ virtual void , EndPage(),
+ "Ends a document page (only relevant when outputting to a printer).", "");
+
// set objects to use for drawing
// ------------------------------
- virtual void SetFont(const wxFont& font);
- virtual void SetPen(const wxPen& pen);
- virtual void SetBrush(const wxBrush& brush);
- virtual void SetBackground(const wxBrush& brush);
- virtual void SetBackgroundMode(int mode);
- virtual void SetPalette(const wxPalette& palette);
+ DocDeclStr(
+ virtual void , SetFont(const wxFont& font),
+ "Sets the current font for the DC. It must be a valid font, in
+particular you should not pass ``wx.NullFont`` to this method.","
+:see: `wx.Font`");
+
+ DocDeclStr(
+ virtual void , SetPen(const wxPen& pen),
+ "Sets the current pen for the DC.
- // clipping region
- // ---------------
+If the argument is ``wx.NullPen``, the current pen is selected out of the
+device context, and the original pen restored.", "
- %name(SetClippingRegionXY)void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
- void SetClippingRegion(const wxPoint& pt, const wxSize& sz);
- %name(SetClippingRect) void SetClippingRegion(const wxRect& rect);
- %name(SetClippingRegionAsRegion) void SetClippingRegion(const wxRegion& region);
+:see: `wx.Pen`");
+
+ DocDeclStr(
+ virtual void , SetBrush(const wxBrush& brush),
+ "Sets the current brush for the DC.
- virtual void DestroyClippingRegion();
+If the argument is ``wx.NullBrush``, the current brush is selected out
+of the device context, and the original brush restored, allowing the
+current brush to be destroyed safely.","
- DocDeclA(
+:see: `wx.Brush`");
+
+ DocDeclStr(
+ virtual void , SetBackground(const wxBrush& brush),
+ "Sets the current background brush for the DC.", "");
+
+ DocDeclStr(
+ virtual void , SetBackgroundMode(int mode),
+ "*mode* may be one of ``wx.SOLID`` and ``wx.TRANSPARENT``. This setting
+determines whether text will be drawn with a background colour or
+not.", "");
+
+ DocDeclStr(
+ virtual void , SetPalette(const wxPalette& palette),
+ "If this is a window DC or memory DC, assigns the given palette to the
+window or bitmap associated with the DC. If the argument is
+``wx.NullPalette``, the current palette is selected out of the device
+context, and the original palette restored.", "
+
+:see: `wx.Palette`");
+
+
+
+ DocDeclStr(
+ virtual void , DestroyClippingRegion(),
+ "Destroys the current clipping region so that none of the DC is
+clipped.", "
+
+:see: `SetClippingRegion`");
+
+
+ DocDeclAStr(
void, GetClippingBox(wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord *OUTPUT) const,
- "GetClippingBox() -> (x, y, width, height)");
+ "GetClippingBox() -> (x, y, width, height)",
+ "Gets the rectangle surrounding the current clipping region.", "");
%extend {
+ DocStr(
+ GetClippingRect,
+ "Gets the rectangle surrounding the current clipping region.", "");
wxRect GetClippingRect() {
wxRect rect;
self->GetClippingBox(rect);
// text extent
// -----------
- virtual wxCoord GetCharHeight() const;
- virtual wxCoord GetCharWidth() const;
+ DocDeclStr(
+ virtual wxCoord , GetCharHeight() const,
+ "Gets the character height of the currently set font.", "");
+
+ DocDeclStr(
+ virtual wxCoord , GetCharWidth() const,
+ "Gets the average character width of the currently set font.", "");
+
DocDeclAStr(
void, GetTextExtent(const wxString& string, wxCoord *OUTPUT, wxCoord *OUTPUT),
"GetTextExtent(wxString string) -> (width, height)",
- "Get the width and height of the text using the current font.\n"
- "Only works for single line strings.");
+ "Get the width and height of the text using the current font. Only
+works for single line strings.", "");
+
DocDeclAStrName(
void, GetTextExtent(const wxString& string,
wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord* OUTPUT,
wxFont* font = NULL),
"GetFullTextExtent(wxString string, Font font=None) ->\n (width, height, descent, externalLeading)",
- "Get the width, height, decent and leading of the text using the current or specified font.\n"
- "Only works for single line strings.",
+ "Get the width, height, decent and leading of the text using the
+current or specified font. Only works for single line strings.", "",
GetFullTextExtent);
wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord *OUTPUT,
wxFont *font = NULL),
"GetMultiLineTextExtent(wxString string, Font font=None) ->\n (width, height, descent, externalLeading)",
- "Get the width, height, decent and leading of the text using the current or specified font.\n"
- "Works for single as well as multi-line strings.");
+ "Get the width, height, decent and leading of the text using the
+current or specified font. Works for single as well as multi-line
+strings.", "");
%extend {
+ DocAStr(GetPartialTextExtents,
+ "GetPartialTextExtents(self, text) -> [widths]",
+ "Returns a list of integers such that each value is the distance in
+pixels from the begining of text to the coresponding character of
+*text*. The generic version simply builds a running total of the widths
+of each character using GetTextExtent, however if the various
+platforms have a native API function that is faster or more accurate
+than the generic implementaiton then it will be used instead.", "");
wxArrayInt GetPartialTextExtents(const wxString& text) {
wxArrayInt widths;
self->GetPartialTextExtents(text, widths);
// size and resolution
// -------------------
- DocStr(GetSize, "Get the DC size in device units.");
+ DocStr(
+ GetSize,
+ "This gets the horizontal and vertical resolution in device units. It
+can be used to scale graphics to fit the page. For example, if *maxX*
+and *maxY* represent the maximum horizontal and vertical 'pixel' values
+used in your application, the following code will scale the graphic to
+fit on the printer page::
+
+ w, h = dc.GetSize()
+ scaleX = maxX*1.0 / w
+ scaleY = maxY*1.0 / h
+ dc.SetUserScale(min(scaleX,scaleY),min(scaleX,scaleY))
+", "");
wxSize GetSize();
DocDeclAName(
void, GetSize( int *OUTPUT, int *OUTPUT ),
GetSizeTuple);
- DocStr(GetSizeMM, "Get the DC size in milimeters.");
+ DocStr(GetSizeMM, "Get the DC size in milimeters.", "");
wxSize GetSizeMM() const;
DocDeclAName(
void, GetSizeMM( int *OUTPUT, int *OUTPUT ) const,
// coordinates conversions
// -----------------------
- // This group of functions does actual conversion of the input, as you'd
- // expect.
- wxCoord DeviceToLogicalX(wxCoord x) const;
- wxCoord DeviceToLogicalY(wxCoord y) const;
- wxCoord DeviceToLogicalXRel(wxCoord x) const;
- wxCoord DeviceToLogicalYRel(wxCoord y) const;
- wxCoord LogicalToDeviceX(wxCoord x) const;
- wxCoord LogicalToDeviceY(wxCoord y) const;
- wxCoord LogicalToDeviceXRel(wxCoord x) const;
- wxCoord LogicalToDeviceYRel(wxCoord y) const;
+ DocDeclStr(
+ wxCoord , DeviceToLogicalX(wxCoord x) const,
+ "Convert device X coordinate to logical coordinate, using the current
+mapping mode.", "");
+
+ DocDeclStr(
+ wxCoord , DeviceToLogicalY(wxCoord y) const,
+ "Converts device Y coordinate to logical coordinate, using the current
+mapping mode.", "");
+
+ DocDeclStr(
+ wxCoord , DeviceToLogicalXRel(wxCoord x) const,
+ "Convert device X coordinate to relative logical coordinate, using the
+current mapping mode but ignoring the x axis orientation. Use this
+function for converting a width, for example.", "");
+
+ DocDeclStr(
+ wxCoord , DeviceToLogicalYRel(wxCoord y) const,
+ "Convert device Y coordinate to relative logical coordinate, using the
+current mapping mode but ignoring the y axis orientation. Use this
+function for converting a height, for example.", "");
+
+ DocDeclStr(
+ wxCoord , LogicalToDeviceX(wxCoord x) const,
+ "Converts logical X coordinate to device coordinate, using the current
+mapping mode.", "");
+
+ DocDeclStr(
+ wxCoord , LogicalToDeviceY(wxCoord y) const,
+ "Converts logical Y coordinate to device coordinate, using the current
+mapping mode.", "");
+
+ DocDeclStr(
+ wxCoord , LogicalToDeviceXRel(wxCoord x) const,
+ "Converts logical X coordinate to relative device coordinate, using the
+current mapping mode but ignoring the x axis orientation. Use this for
+converting a width, for example.", "");
+
+ DocDeclStr(
+ wxCoord , LogicalToDeviceYRel(wxCoord y) const,
+ "Converts logical Y coordinate to relative device coordinate, using the
+current mapping mode but ignoring the y axis orientation. Use this for
+converting a height, for example.", "");
+
+
// query DC capabilities
// ---------------------
virtual bool CanDrawBitmap() const;
virtual bool CanGetTextExtent() const;
- // colour depth
- virtual int GetDepth() const;
- // Resolution in Pixels per inch
- virtual wxSize GetPPI() const;
+ DocDeclStr(
+ virtual int , GetDepth() const,
+ "Returns the colour depth of the DC.", "");
+
- virtual bool Ok() const;
+ DocDeclStr(
+ virtual wxSize , GetPPI() const,
+ "Resolution in Pixels per inch", "");
+
+ DocDeclStr(
+ virtual bool , Ok() const,
+ "Returns true if the DC is ok to use.", "");
+
- int GetBackgroundMode() const;
- const wxBrush& GetBackground() const;
- const wxBrush& GetBrush() const;
- const wxFont& GetFont() const;
- const wxPen& GetPen() const;
- const wxColour& GetTextBackground() const;
- const wxColour& GetTextForeground() const;
+ DocDeclStr(
+ int , GetBackgroundMode() const,
+ "Returns the current background mode, either ``wx.SOLID`` or
+``wx.TRANSPARENT``.","
- virtual void SetTextForeground(const wxColour& colour);
- virtual void SetTextBackground(const wxColour& colour);
+:see: `SetBackgroundMode`");
+
+ DocDeclStr(
+ const wxBrush& , GetBackground() const,
+ "Gets the brush used for painting the background.","
- int GetMapMode() const;
- virtual void SetMapMode(int mode);
+:see: `SetBackground`");
+
+ DocDeclStr(
+ const wxBrush& , GetBrush() const,
+ "Gets the current brush", "");
+
+ DocDeclStr(
+ const wxFont& , GetFont() const,
+ "Gets the current font", "");
+
+ DocDeclStr(
+ const wxPen& , GetPen() const,
+ "Gets the current pen", "");
+
+ DocDeclStr(
+ const wxColour& , GetTextBackground() const,
+ "Gets the current text background colour", "");
+
+ DocDeclStr(
+ const wxColour& , GetTextForeground() const,
+ "Gets the current text foreground colour", "");
+
+ DocDeclStr(
+ virtual void , SetTextForeground(const wxColour& colour),
+ "Sets the current text foreground colour for the DC.", "");
+
+ DocDeclStr(
+ virtual void , SetTextBackground(const wxColour& colour),
+ "Sets the current text background colour for the DC.", "");
+
- DocDeclA(
+ DocDeclStr(
+ int , GetMapMode() const,
+ "Gets the current *mapping mode* for the device context ", "");
+
+ DocDeclStr(
+ virtual void , SetMapMode(int mode),
+ "The *mapping mode* of the device context defines the unit of
+measurement used to convert logical units to device units. The
+mapping mode can be one of the following:
+
+ ================ =============================================
+ wx.MM_TWIPS Each logical unit is 1/20 of a point, or 1/1440
+ of an inch.
+ wx.MM_POINTS Each logical unit is a point, or 1/72 of an inch.
+ wx.MM_METRIC Each logical unit is 1 mm.
+ wx.MM_LOMETRIC Each logical unit is 1/10 of a mm.
+ wx.MM_TEXT Each logical unit is 1 pixel.
+ ================ =============================================
+","
+Note that in X, text drawing isn't handled consistently with the
+mapping mode; a font is always specified in point size. However,
+setting the user scale (see `SetUserScale`) scales the text
+appropriately. In Windows, scalable TrueType fonts are always used; in
+X, results depend on availability of fonts, but usually a reasonable
+match is found.
+
+The coordinate origin is always at the top left of the screen/printer.
+
+Drawing to a Windows printer device context uses the current mapping
+mode, but mapping mode is currently ignored for PostScript output.
+");
+
+
+
+ DocDeclAStr(
virtual void, GetUserScale(double *OUTPUT, double *OUTPUT) const,
- "GetUserScale() -> (xScale, yScale)");
+ "GetUserScale(self) -> (xScale, yScale)",
+ "Gets the current user scale factor (set by `SetUserScale`).", "");
- virtual void SetUserScale(double x, double y);
+ DocDeclStr(
+ virtual void , SetUserScale(double x, double y),
+ "Sets the user scaling factor, useful for applications which require
+'zooming'.", "");
+
DocDeclA(
GetLogicalOriginTuple);
virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
+ %extend {
+ void SetLogicalOriginPoint(const wxPoint& point) {
+ self->SetLogicalOrigin(point.x, point.y);
+ }
+ }
-
+
wxPoint GetDeviceOrigin() const;
DocDeclAName(
void, GetDeviceOrigin(wxCoord *OUTPUT, wxCoord *OUTPUT) const,
GetDeviceOriginTuple);
virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
+ %extend {
+ void SetDeviceOriginPoint(const wxPoint& point) {
+ self->SetDeviceOrigin(point.x, point.y);
+ }
+ }
- virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
+ DocDeclStr(
+ virtual void , SetAxisOrientation(bool xLeftRight, bool yBottomUp),
+ "Sets the x and y axis orientation (i.e., the direction from lowest to
+highest values on the axis). The default orientation is the natural
+orientation, e.g. x axis from left to right and y axis from bottom up.", "");
- int GetLogicalFunction() const;
- virtual void SetLogicalFunction(int function);
- virtual void SetOptimization(bool opt);
- virtual bool GetOptimization();
+ DocDeclStr(
+ int , GetLogicalFunction() const,
+ "Gets the current logical function (set by `SetLogicalFunction`).", "");
+
+ DocDeclStr(
+ virtual void , SetLogicalFunction(int function),
+ "Sets the current logical function for the device context. This
+determines how a source pixel (from a pen or brush colour, or source
+device context if using `Blit`) combines with a destination pixel in
+the current device context.
+
+The possible values and their meaning in terms of source and
+destination pixel values are as follows:
+
+ ================ ==========================
+ wx.AND src AND dst
+ wx.AND_INVERT (NOT src) AND dst
+ wx.AND_REVERSE src AND (NOT dst)
+ wx.CLEAR 0
+ wx.COPY src
+ wx.EQUIV (NOT src) XOR dst
+ wx.INVERT NOT dst
+ wx.NAND (NOT src) OR (NOT dst)
+ wx.NOR (NOT src) AND (NOT dst)
+ wx.NO_OP dst
+ wx.OR src OR dst
+ wx.OR_INVERT (NOT src) OR dst
+ wx.OR_REVERSE src OR (NOT dst)
+ wx.SET 1
+ wx.SRC_INVERT NOT src
+ wx.XOR src XOR dst
+ ================ ==========================
+
+The default is wx.COPY, which simply draws with the current
+colour. The others combine the current colour and the background using
+a logical operation. wx.INVERT is commonly used for drawing rubber
+bands or moving outlines, since drawing twice reverts to the original
+colour.
+", "");
+
+ DocDeclStr(
+ void , ComputeScaleAndOrigin(),
+ "Performs all necessary computations for given platform and context
+type after each change of scale and origin parameters. Usually called
+automatically internally after such changes.
+", "");
+
+
+
+// DocDeclStr(
+// virtual void , SetOptimization(bool optimize),
+// "If *optimize* is true this function sets optimization mode on. This
+// currently means that under X, the device context will not try to set a
+// pen or brush property if it is known to be set already. This approach
+// can fall down if non-wxWidgets code is using the same device context
+// or window, for example when the window is a panel on which the
+// windowing system draws panel items. The wxWidgets device context
+// 'memory' will now be out of step with reality.
+
+// Setting optimization off, drawing, then setting it back on again, is a
+// trick that must occasionally be employed.", "");
+
+// DocDeclStr(
+// virtual bool , GetOptimization(),
+// "Returns true if device context optimization is on. See
+// `SetOptimization` for details.", "");
+
+ %pythoncode {
+ def SetOptimization(self, optimize):
+ pass
+ def GetOptimization(self):
+ return False
+ SetOptimization = wx._deprecated(SetOptimization)
+ GetOptimization = wx._deprecated(GetOptimization)
+ }
+
+
// bounding box
// ------------
- virtual void CalcBoundingBox(wxCoord x, wxCoord y);
- void ResetBoundingBox();
+ DocDeclStr(
+ virtual void , CalcBoundingBox(wxCoord x, wxCoord y),
+ "Adds the specified point to the bounding box which can be retrieved
+with `MinX`, `MaxX` and `MinY`, `MaxY` or `GetBoundingBox` functions.", "");
+
+ %extend {
+ DocStr(CalcBoundingBoxPoint,
+ "Adds the specified point to the bounding box which can be retrieved
+with `MinX`, `MaxX` and `MinY`, `MaxY` or `GetBoundingBox` functions.","");
+ void CalcBoundingBoxPoint(const wxPoint& point) {
+ self->CalcBoundingBox(point.x, point.y);
+ }
+ }
+
+ DocDeclStr(
+ void , ResetBoundingBox(),
+ "Resets the bounding box: after a call to this function, the bounding
+box doesn't contain anything.", "");
+
// Get the final bounding box of the PostScript or Metafile picture.
- wxCoord MinX() const;
- wxCoord MaxX() const;
- wxCoord MinY() const;
- wxCoord MaxY() const;
+ DocDeclStr(
+ wxCoord , MinX() const,
+ "Gets the minimum horizontal extent used in drawing commands so far.", "");
+
+ DocDeclStr(
+ wxCoord , MaxX() const,
+ "Gets the maximum horizontal extent used in drawing commands so far.", "");
+
+ DocDeclStr(
+ wxCoord , MinY() const,
+ "Gets the minimum vertical extent used in drawing commands so far.", "");
+
+ DocDeclStr(
+ wxCoord , MaxY() const,
+ "Gets the maximum vertical extent used in drawing commands so far.", "");
+
- DocA(GetBoundingBox,
- "GetBoundingBox() -> (x1,y1, x2,y2)");
+ DocAStr(GetBoundingBox,
+ "GetBoundingBox() -> (x1,y1, x2,y2)",
+ "Returns the min and max points used in drawing commands so far.", "");
%extend {
void GetBoundingBox(int* OUTPUT, int* OUTPUT, int* OUTPUT, int* OUTPUT);
// See below for implementation
}
+
%pythoncode { def __nonzero__(self): return self.Ok() };
+#ifdef __WXMSW__
+ long GetHDC();
+#endif
+
%extend { // See drawlist.cpp for impplementaion of these...
PyObject* _DrawPointList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
%pythoncode {
def DrawPointList(self, points, pens=None):
+ """
+ Draw a list of points as quickly as possible.
+
+ :param points: A sequence of 2-element sequences representing
+ each point to draw, (x,y).
+ :param pens: If None, then the current pen is used. If a
+ single pen then it will be used for all points. If
+ a list of pens then there should be one for each point
+ in points.
+ """
if pens is None:
pens = []
elif isinstance(pens, wx.Pen):
def DrawLineList(self, lines, pens=None):
+ """
+ Draw a list of lines as quickly as possible.
+
+ :param lines: A sequence of 4-element sequences representing
+ each line to draw, (x1,y1, x2,y2).
+ :param pens: If None, then the current pen is used. If a
+ single pen then it will be used for all lines. If
+ a list of pens then there should be one for each line
+ in lines.
+ """
if pens is None:
pens = []
elif isinstance(pens, wx.Pen):
def DrawRectangleList(self, rectangles, pens=None, brushes=None):
+ """
+ Draw a list of rectangles as quickly as possible.
+
+ :param rectangles: A sequence of 4-element sequences representing
+ each rectangle to draw, (x,y, w,h).
+ :param pens: If None, then the current pen is used. If a
+ single pen then it will be used for all rectangles.
+ If a list of pens then there should be one for each
+ rectangle in rectangles.
+ :param brushes: A brush or brushes to be used to fill the rectagles,
+ with similar semantics as the pens parameter.
+ """
if pens is None:
pens = []
elif isinstance(pens, wx.Pen):
def DrawEllipseList(self, ellipses, pens=None, brushes=None):
+ """
+ Draw a list of ellipses as quickly as possible.
+
+ :param ellipses: A sequence of 4-element sequences representing
+ each ellipse to draw, (x,y, w,h).
+ :param pens: If None, then the current pen is used. If a
+ single pen then it will be used for all ellipses.
+ If a list of pens then there should be one for each
+ ellipse in ellipses.
+ :param brushes: A brush or brushes to be used to fill the ellipses,
+ with similar semantics as the pens parameter.
+ """
if pens is None:
pens = []
elif isinstance(pens, wx.Pen):
def DrawPolygonList(self, polygons, pens=None, brushes=None):
- %## Note: This does not currently support fill style or offset
- %## you can always use the non-List version if need be.
+ """
+ Draw a list of polygons, each of which is a list of points.
+
+ :param polygons: A sequence of sequences of sequences.
+ [[(x1,y1),(x2,y2),(x3,y3)...],
+ [(x1,y1),(x2,y2),(x3,y3)...]]
+
+ :param pens: If None, then the current pen is used. If a
+ single pen then it will be used for all polygons.
+ If a list of pens then there should be one for each
+ polygon.
+ :param brushes: A brush or brushes to be used to fill the polygons,
+ with similar semantics as the pens parameter.
+ """
if pens is None:
pens = []
elif isinstance(pens, wx.Pen):
return self._DrawPolygonList(polygons, pens, brushes)
- def DrawTextList(self, textList, coords, foregrounds = None, backgrounds = None, fonts = None):
- %## NOTE: this does not currently support changing the font
- %## Make sure you set Background mode to wxSolid (DC.SetBackgroundMode)
- %## If you want backgounds to do anything.
+ def DrawTextList(self, textList, coords, foregrounds = None, backgrounds = None):
+ """
+ Draw a list of strings using a list of coordinants for positioning each string.
+
+ :param textList: A list of strings
+ :param coords: A list of (x,y) positions
+ :param foregrounds: A list of `wx.Colour` objects to use for the
+ foregrounds of the strings.
+ :param backgrounds: A list of `wx.Colour` objects to use for the
+ backgrounds of the strings.
+
+ NOTE: Make sure you set Background mode to wx.Solid (DC.SetBackgroundMode)
+ If you want backgrounds to do anything.
+ """
if type(textList) == type(''):
textList = [textList]
elif len(textList) != len(coords):
//---------------------------------------------------------------------------
%newgroup
-class wxMemoryDC : public wxDC {
-public:
- wxMemoryDC();
- %name(MemoryDCFromDC) wxMemoryDC(wxDC* oldDC);
+MustHaveApp(wxMemoryDC);
- void SelectObject(const wxBitmap& bitmap);
-};
+DocStr(wxMemoryDC,
+"A memory device context provides a means to draw graphics onto a
+bitmap. A bitmap must be selected into the new memory DC before it may
+be used for anything. Typical usage is as follows::
-//---------------------------------------------------------------------------
-%newgroup
+ dc = wx.MemoryDC()
+ dc.SelectObject(bitmap)
+ # draw on the dc usign any of the Draw methods
+ dc.SelectObject(wx.NullBitmap)
+ # the bitmap now contains wahtever was drawn upon it
+Note that the memory DC *must* be deleted (or the bitmap selected out
+of it) before a bitmap can be reselected into another memory DC.
+", "");
-%{
-//-=-=-=-=-=-=-=-=-=-=-
-
-#if 1
-// Use the standard wxBufferedDC
-#include <wx/dcbuffer.h>
-
-#else
-
-// Or, temporarily put a set of classes here similar to the old buffered DC
-// classes until the real ones can be fixed to work "correctly" again.
-
-class wxBufferedDC : public wxMemoryDC
-{
-private:
- wxDC *m_dc;
- wxBitmap m_buffer;
-
+class wxMemoryDC : public wxDC {
public:
+ DocCtorStr(
+ wxMemoryDC(),
+ "Constructs a new memory device context.
- wxBufferedDC() : m_dc( 0 ) {}
-
- wxBufferedDC( wxDC *dc, const wxBitmap &buffer )
- : m_dc( dc ), m_buffer( buffer )
- {
- SelectObject( m_buffer );
- }
-
- wxBufferedDC( wxDC *dc, const wxSize &area )
- : m_dc( dc ), m_buffer( area.GetWidth(), area.GetHeight() )
- {
- SelectObject( m_buffer );
- }
+Use the Ok member to test whether the constructor was successful in
+creating a usable device context. Don't forget to select a bitmap into
+the DC before drawing on it.", "
- ~wxBufferedDC() {
- if( m_dc != 0 )
- UnMask();
- }
+:see: `MemoryDCFromDC`");
+ DocCtorStrName(
+ wxMemoryDC(wxDC* oldDC),
+ "Creates a DC that is compatible with the oldDC.", "",
+ MemoryDCFromDC);
- void Init( wxDC *dc, const wxBitmap &buffer ) {
- wxASSERT_MSG( m_dc == 0 && m_buffer == wxNullBitmap,
- _T("wxBufferedDC already initialised") );
- m_dc = dc;
- m_buffer = buffer;
- SelectObject( m_buffer );
- }
-
- void Init( wxDC *dc, const wxSize &area ) {
- wxASSERT_MSG( m_dc == 0 && m_buffer == wxNullBitmap,
- _T("wxBufferedDC already initialised") );
- m_dc = dc;
- m_buffer = wxBitmap( area.GetWidth(), area.GetHeight() );
- SelectObject( m_buffer );
- }
-
- void UnMask() {
- wxASSERT_MSG( m_dc != 0, _T("No low level DC associated with buffer (anymore)") );
- m_dc->Blit( 0, 0, m_buffer.GetWidth(), m_buffer.GetHeight(), this, 0, 0 );
- m_dc = 0;
- }
+
+ DocDeclStr(
+ void , SelectObject(const wxBitmap& bitmap),
+ "Selects the bitmap into the device context, to use as the memory
+bitmap. Selecting the bitmap into a memory DC allows you to draw into
+the DC, and therefore the bitmap, and also to use Blit to copy the
+bitmap to a window.
+
+If the argument is wx.NullBitmap (or some other uninitialised
+`wx.Bitmap`) the current bitmap is selected out of the device context,
+and the original bitmap restored, allowing the current bitmap to be
+destroyed safely.", "");
+
};
-
-class wxBufferedPaintDC : public wxBufferedDC
-{
-private:
- wxPaintDC m_paintdc;
+//---------------------------------------------------------------------------
+%newgroup
-public:
- wxBufferedPaintDC( wxWindow *window, const wxBitmap &buffer = wxNullBitmap )
- : m_paintdc( window )
- {
- window->PrepareDC( m_paintdc );
-
- if( buffer != wxNullBitmap )
- Init( &m_paintdc, buffer );
- else
- Init( &m_paintdc, window->GetClientSize() );
- }
-
- ~wxBufferedPaintDC() {
- UnMask();
- }
-};
-#endif
-//-=-=-=-=-=-=-=-=-=-=-
+%{
+#include <wx/dcbuffer.h>
%}
+MustHaveApp(wxBufferedDC);
+
+DocStr(wxBufferedDC,
+"This simple class provides a simple way to avoid flicker: when drawing
+on it, everything is in fact first drawn on an in-memory buffer (a
+`wx.Bitmap`) and then copied to the screen only once, when this object
+is destroyed.
+It can be used in the same way as any other device
+context. wx.BufferedDC itself typically replaces `wx.ClientDC`, if you
+want to use it in your EVT_PAINT handler, you should look at
+`wx.BufferedPaintDC`.
+", "");
class wxBufferedDC : public wxMemoryDC
{
public:
%pythonAppend wxBufferedDC
- "self._dc = args[0] # save a ref so the other dc will not be deleted before self";
-
- %nokwargs wxBufferedDC;
+ "self.__dc = args[0] # save a ref so the other dc will not be deleted before self";
- // Construct a wxBufferedDC using a user supplied buffer.
- wxBufferedDC( wxDC *dc, const wxBitmap &buffer );
+ %nokwargs wxBufferedDC;
- // Construct a wxBufferedDC with an internal buffer of 'area'
- // (where area is usually something like the size of the window
- // being buffered)
+ DocStr(
+ wxBufferedDC,
+ "Constructs a buffered DC.", "
+
+ :param dc: The underlying DC: everything drawn to this object will
+ be flushed to this DC when this object is destroyed. You may
+ pass ``None`` in order to just initialize the buffer, and not
+ flush it.
+
+ :param buffer: If a `wx.Size` object is passed as the 2nd arg then
+ it is the size of the bitmap that will be created internally
+ and used for an implicit buffer. If the 2nd arg is a
+ `wx.Bitmap` then it is the explicit buffer that will be
+ used. Using an explicit buffer is the most efficient solution
+ as the bitmap doesn't have to be recreated each time but it
+ also requires more memory as the bitmap is never freed. The
+ bitmap should have appropriate size, anything drawn outside of
+ its bounds is clipped.
+");
+ wxBufferedDC( wxDC *dc, const wxBitmap &buffer );
wxBufferedDC( wxDC *dc, const wxSize &area );
+
- // TODO: Keep this one too?
- %pythonAppend wxBufferedDC( wxDC *dc, const wxSize &area )
- "val._dc = args[0] # save a ref so the other dc will not be deleted before self";
- %name(BufferedDCInternalBuffer) wxBufferedDC( wxDC *dc, const wxSize &area );
+// // TODO: Keep this one too?
+// %pythonAppend wxBufferedDC( wxDC *dc, const wxSize &area )
+// "val.__dc = args[0] # save a ref so the other dc will not be deleted before self";
+// %RenameCtor(BufferedDCInternalBuffer, wxBufferedDC( wxDC *dc, const wxSize &area ));
// The buffer is blit to the real DC when the BufferedDC is destroyed.
- ~wxBufferedDC();
-
+ DocCtorStr(
+ ~wxBufferedDC(),
+ "Copies everything drawn on the DC so far to the underlying DC
+associated with this object, if any.", "");
+
+
+ DocDeclStr(
+ void , UnMask(),
+ "Blits the buffer to the dc, and detaches the dc from the buffer (so it
+can be effectively used once only). This is usually only called in
+the destructor.", "");
- // Blits the buffer to the dc, and detaches the dc from
- // the buffer. Usually called in the dtor or by the dtor
- // of derived classes if the BufferedDC must blit before
- // the derived class (which may own the dc it's blitting
- // to) is destroyed.
- void UnMask();
};
-// Creates a double buffered wxPaintDC, optionally allowing the
-// user to specify their own buffer to use.
+MustHaveApp(wxBufferedPaintDC);
+
+DocStr(wxBufferedPaintDC,
+"This is a subclass of `wx.BufferedDC` which can be used inside of an
+EVT_PAINT event handler. Just create an object of this class instead
+of `wx.PaintDC` and that's all you have to do to (mostly) avoid
+flicker. The only thing to watch out for is that if you are using this
+class together with `wx.ScrolledWindow`, you probably do **not** want
+to call `wx.Window.PrepareDC` on it as it already does this internally
+for the real underlying `wx.PaintDC`.
+
+If your window is already fully buffered in a `wx.Bitmap` then your
+EVT_PAINT handler can be as simple as just creating a
+``wx.BufferedPaintDC`` as it will `Blit` the buffer to the window
+automatically when it is destroyed. For example::
+
+ def OnPaint(self, event):
+ dc = wx.BufferedPaintDC(self, self.buffer)
+
+
+", "");
+
class wxBufferedPaintDC : public wxBufferedDC
{
public:
- // If no bitmap is supplied by the user, a temporary one will be created.
- wxBufferedPaintDC( wxWindow *window, const wxBitmap &buffer = wxNullBitmap );
+ DocCtorStr(
+ wxBufferedPaintDC( wxWindow *window, const wxBitmap &buffer = wxNullBitmap ),
+ "Create a buffered paint DC. As with `wx.BufferedDC`, you may either
+provide the bitmap to be used for buffering or let this object create
+one internally (in the latter case, the size of the client part of the
+window is automatically used).
+
+", "");
};
//---------------------------------------------------------------------------
%newgroup
+MustHaveApp(wxScreenDC);
+
+DocStr(wxScreenDC,
+"A wxScreenDC can be used to paint anywhere on the screen. This should
+normally be constructed as a temporary stack object; don't store a
+wxScreenDC object.
+", "");
class wxScreenDC : public wxDC {
public:
wxScreenDC();
- %name(StartDrawingOnTopWin) bool StartDrawingOnTop(wxWindow* window);
- bool StartDrawingOnTop(wxRect* rect = NULL);
- bool EndDrawingOnTop();
+ DocDeclStrName(
+ bool , StartDrawingOnTop(wxWindow* window),
+ "Specify that the area of the screen to be drawn upon coincides with
+the given window.
+
+:see: `EndDrawingOnTop`", "",
+ StartDrawingOnTopWin);
+
+
+ DocDeclStr(
+ bool , StartDrawingOnTop(wxRect* rect = NULL),
+ "Specify that the area is the given rectangle, or the whole screen if
+``None`` is passed.
+
+:see: `EndDrawingOnTop`", "");
+
+
+ DocDeclStr(
+ bool , EndDrawingOnTop(),
+ "Use this in conjunction with `StartDrawingOnTop` or
+`StartDrawingOnTopWin` to ensure that drawing to the screen occurs on
+top of existing windows. Without this, some window systems (such as X)
+only allow drawing to take place underneath other windows.
+
+You might use this pair of functions when implementing a drag feature,
+for example as in the `wx.SplitterWindow` implementation.
+
+These functions are probably obsolete since the X implementations
+allow drawing directly on the screen now. However, the fact that this
+function allows the screen to be refreshed afterwards may be useful
+to some applications.", "");
+
};
//---------------------------------------------------------------------------
%newgroup
+MustHaveApp(wxClientDC);
+
+DocStr(wxClientDC,
+"A wx.ClientDC must be constructed if an application wishes to paint on
+the client area of a window from outside an EVT_PAINT event. This should
+normally be constructed as a temporary stack object; don't store a
+wx.ClientDC object long term.
+
+To draw on a window from within an EVT_PAINT handler, construct a
+`wx.PaintDC` object.
+
+To draw on the whole window including decorations, construct a
+`wx.WindowDC` object (Windows only).
+", "");
class wxClientDC : public wxDC {
public:
- wxClientDC(wxWindow* win);
+ DocCtorStr(
+ wxClientDC(wxWindow* win),
+ "Constructor. Pass the window on which you wish to paint.", "");
};
//---------------------------------------------------------------------------
%newgroup
+MustHaveApp(wxPaintDC);
+
+DocStr(wxPaintDC,
+"A wx.PaintDC must be constructed if an application wishes to paint on
+the client area of a window from within an EVT_PAINT event
+handler. This should normally be constructed as a temporary stack
+object; don't store a wx.PaintDC object. If you have an EVT_PAINT
+handler, you **must** create a wx.PaintDC object within it even if you
+don't actually use it.
+
+Using wx.PaintDC within EVT_PAINT handlers is important because it
+automatically sets the clipping area to the damaged area of the
+window. Attempts to draw outside this area do not appear.
+
+To draw on a window from outside EVT_PAINT handlers, construct a
+`wx.ClientDC` object.
+","");
class wxPaintDC : public wxDC {
public:
- wxPaintDC(wxWindow* win);
+ DocCtorStr(
+ wxPaintDC(wxWindow* win),
+ "Constructor. Pass the window on which you wish to paint.", "");
};
//---------------------------------------------------------------------------
%newgroup
+MustHaveApp(wxWindowDC);
+
+DocStr(wxWindowDC,
+ "A wx.WindowDC must be constructed if an application wishes to paint on
+the whole area of a window (client and decorations). This should
+normally be constructed as a temporary stack object; don't store a
+wx.WindowDC object.","");
class wxWindowDC : public wxDC {
public:
- wxWindowDC(wxWindow* win);
+ DocCtorStr(
+ wxWindowDC(wxWindow* win),
+ "Constructor. Pass the window on which you wish to paint.","");
};
//---------------------------------------------------------------------------
%newgroup
+MustHaveApp(wxMirrorDC);
+
+DocStr(wxMirrorDC,
+"wx.MirrorDC is a simple wrapper class which is always associated with a
+real `wx.DC` object and either forwards all of its operations to it
+without changes (no mirroring takes place) or exchanges x and y
+coordinates which makes it possible to reuse the same code to draw a
+figure and its mirror -- i.e. reflection related to the diagonal line
+x == y.", "");
class wxMirrorDC : public wxDC
{
public:
- // constructs a mirror DC associated with the given real DC
- //
- // if mirror parameter is True, all vertical and horizontal coordinates are
- // exchanged, otherwise this class behaves in exactly the same way as a
- // plain DC
- //
- wxMirrorDC(wxDC& dc, bool mirror);
+ DocCtorStr(
+ wxMirrorDC(wxDC& dc, bool mirror),
+ "Creates a mirrored DC associated with the real *dc*. Everything drawn
+on the wx.MirrorDC will appear on the *dc*, and will be mirrored if
+*mirror* is True.","");
};
//---------------------------------------------------------------------------
#include <wx/dcps.h>
%}
+MustHaveApp(wxPostScriptDC);
+
+DocStr(wxPostScriptDC,
+"This is a `wx.DC` that can write to PostScript files on any platform.","");
+
class wxPostScriptDC : public wxDC {
public:
- wxPostScriptDC(const wxPrintData& printData);
-// %name(PostScriptDC2)wxPostScriptDC(const wxString& output,
-// bool interactive = True,
-// wxWindow* parent = NULL);
+ DocCtorStr(
+ wxPostScriptDC(const wxPrintData& printData),
+ "Constructs a PostScript printer device context from a `wx.PrintData`
+object.", "");
wxPrintData& GetPrintData();
void SetPrintData(const wxPrintData& data);
- static void SetResolution(int ppi);
- static int GetResolution();
+ DocDeclStr(
+ static void , SetResolution(int ppi),
+ "Set resolution (in pixels per inch) that will be used in PostScript
+output. Default is 720ppi.", "");
+
+ DocDeclStr(
+ static int , GetResolution(),
+ "Return resolution used in PostScript output.", "");
};
//---------------------------------------------------------------------------
%newgroup
-#ifdef __WXMSW__
+MustHaveApp(wxMetaFile);
+MustHaveApp(wxMetaFileDC);
+
+
+#if defined(__WXMSW__) || defined(__WXMAC__)
%{
#include <wx/metafile.h>
int GetWidth();
int GetHeight();
+#ifdef __WXMSW__
const wxString& GetFileName() const;
-
+#endif
+
%pythoncode { def __nonzero__(self): return self.Ok() }
};
//---------------------------------------------------------------------------
+MustHaveApp(wxPrinterDC);
+
#if defined(__WXMSW__) || defined(__WXMAC__)
class wxPrinterDC : public wxDC {
public:
wxPrinterDC(const wxPrintData& printData);
-// %name(PrinterDC2) wxPrinterDC(const wxString& driver,
-// const wxString& device,
-// const wxString& output,
-// bool interactive = True,
-// int orientation = wxPORTRAIT);
};
#else
wxPrinterDC(const wxPrintData&)
{ wxPyRaiseNotImplemented(); }
-// wxPrinterDC(const wxString&, const wxString&, const wxString&, bool, int)
-// { wxPyRaiseNotImplemented(); }
};
%}
class wxPrinterDC : public wxDC {
public:
wxPrinterDC(const wxPrintData& printData);
-// %name(PrinterDC2) wxPrinterDC(const wxString& driver,
-// const wxString& device,
-// const wxString& output,
-// bool interactive = True,
-// int orientation = wxPORTRAIT);
};
#endif
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
-
-// Now define some Python classes that rename the Draw methods to be
-// compatible with the DC Draw methods in 2.4. See also wxPython/_wx.py.
-
-
-%define MAKE_OLD_DC_CLASS(classname)
- %pythoncode {
- class classname##_old(classname):
- """DC class that has methods with 2.4 compatible parameters."""
- FloodFill = classname.FloodFillXY
- GetPixel = classname.GetPixelXY
- DrawLine = classname.DrawLineXY
- CrossHair = classname.CrossHairXY
- DrawArc = classname.DrawArcXY
- DrawCheckMark = classname.DrawCheckMarkXY
- DrawEllipticArc = classname.DrawEllipticArcXY
- DrawPoint = classname.DrawPointXY
- DrawRectangle = classname.DrawRectangleXY
- DrawRoundedRectangle = classname.DrawRoundedRectangleXY
- DrawCircle = classname.DrawCircleXY
- DrawEllipse = classname.DrawEllipseXY
- DrawIcon = classname.DrawIconXY
- DrawBitmap = classname.DrawBitmapXY
- DrawText = classname.DrawTextXY
- DrawRotatedText = classname.DrawRotatedTextXY
- Blit = classname.BlitXY
- }
-%enddef
-
-MAKE_OLD_DC_CLASS(DC);
-MAKE_OLD_DC_CLASS(MemoryDC);
-MAKE_OLD_DC_CLASS(BufferedDC);
-MAKE_OLD_DC_CLASS(BufferedPaintDC);
-MAKE_OLD_DC_CLASS(ScreenDC);
-MAKE_OLD_DC_CLASS(ClientDC);
-MAKE_OLD_DC_CLASS(PaintDC);
-MAKE_OLD_DC_CLASS(WindowDC);
-MAKE_OLD_DC_CLASS(MirrorDC);
-MAKE_OLD_DC_CLASS(PostScriptDC);
-MAKE_OLD_DC_CLASS(MetaFileDC);
-MAKE_OLD_DC_CLASS(PrinterDC);
-
-
-//---------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff