/////////////////////////////////////////////////////////////////////////////
// Name: graphics.h
-// Purpose: interface of wxGraphicsPath
+// Purpose: interface of various wxGraphics* classes
// Author: wxWidgets team
// RCS-ID: $Id$
// Licence: wxWindows license
bool IsNull() const;
};
+/**
+ Anti-aliasing modes used by wxGraphicsContext::SetAntialisingMode
+*/
+enum wxAntialiasMode
+{
+ /** No anti-aliasing */
+ wxANTIALIAS_NONE,
+
+ /** The default anti-aliasing */
+ wxANTIALIAS_DEFAULT,
+};
+
+/**
+ Compositing is done using Porter-Duff compositions
+ (see http://keithp.com/~keithp/porterduff/p253-porter.pdf) with
+ wxGraphicsContext::SetCompositionMode
+
+ The description give a short equation on how the values of a resulting
+ pixel are calculated.
+ @e R = Result, @e S = Source, @e D = Destination, colors premultiplied with alpha
+ @e Ra, @e Sa, @e Da their alpha components
+*/
+enum wxCompositionMode
+{
+ wxCOMPOSITION_CLEAR, /**< @e R = 0 */
+ wxCOMPOSITION_SOURCE, /**< @e R = S */
+ wxCOMPOSITION_OVER, /**< @e R = @e S + @e D*(1 - @e Sa) */
+ wxCOMPOSITION_IN, /**< @e R = @e S*@e Da */
+ wxCOMPOSITION_OUT, /**< @e R = @e S*(1 - @e Da) */
+ wxCOMPOSITION_ATOP, /**< @e R = @e S*@e Da + @e D*(1 - @e Sa) */
+
+ wxCOMPOSITION_DEST, /**< @e R = @e D, essentially a noop */
+ wxCOMPOSITION_DEST_OVER, /**< @e R = @e S*(1 - @e Da) + @e D */
+ wxCOMPOSITION_DEST_IN, /**< @e R = @e D*@e Sa */
+ wxCOMPOSITION_DEST_OUT, /**< @e R = @e D*(1 - @e Sa) */
+ wxCOMPOSITION_DEST_ATOP, /**< @e R = @e S*(1 - @e Da) + @e D*@e Sa */
+ wxCOMPOSITION_XOR, /**< @e R = @e S*(1 - @e Da) + @e D*(1 - @e Sa) */
+ wxCOMPOSITION_ADD, /**< @e R = @e S + @e D */
+};
/**
@class wxGraphicsContext
- A wxGraphicsContext instance is the object that is drawn upon. It is created by
- a renderer using wxGraphicsRenderer::CreateContext(). This can be either directly
- using a renderer instance, or indirectly using the static convenience Create()
- functions of wxGraphicsContext that always delegate the task to the default renderer.
+ A wxGraphicsContext instance is the object that is drawn upon. It is
+ created by a renderer using wxGraphicsRenderer::CreateContext(). This can
+ be either directly using a renderer instance, or indirectly using the
+ static convenience Create() functions of wxGraphicsContext that always
+ delegate the task to the default renderer.
@code
void MyCanvas::OnPaint(wxPaintEvent &event)
}
@endcode
-
@library{wxcore}
@category{gdi,dc}
@see wxGraphicsRenderer::CreateContext()
*/
- static wxGraphicsContext* Create( wxWindow* window ) ;
+ static wxGraphicsContext* Create(wxWindow* window);
/**
Creates a wxGraphicsContext from a wxWindowDC
@see wxGraphicsRenderer::CreateContext()
*/
- static wxGraphicsContext* Create( const wxWindowDC& dc) ;
+ static wxGraphicsContext* Create(const wxWindowDC& dc);
/**
Creates a wxGraphicsContext from a wxMemoryDC
@see wxGraphicsRenderer::CreateContext()
*/
- static wxGraphicsContext * Create( const wxMemoryDC& dc) ;
+ static wxGraphicsContext* Create(const wxMemoryDC& dc);
/**
- Creates a wxGraphicsContext from a wxPrinterDC. Under
- GTK+, this will only work when using the GtkPrint
- printing backend which is available since GTK+ 2.10.
+ Creates a wxGraphicsContext from a wxPrinterDC. Under GTK+, this will
+ only work when using the GtkPrint printing backend which is available
+ since GTK+ 2.10.
- @see wxGraphicsRenderer::CreateContext(), @ref overview_unixprinting "Printing under Unix"
+ @see wxGraphicsRenderer::CreateContext(), @ref overview_unixprinting
*/
- static wxGraphicsContext * Create( const wxPrinterDC& dc) ;
+ static wxGraphicsContext* Create(const wxPrinterDC& dc);
/**
- Clips drawings to the region
+ Clips drawings to the specified region.
*/
virtual void Clip(const wxRegion& region) = 0;
/**
- Clips drawings to the rectangle.
+ Clips drawings to the specified rectangle.
*/
virtual void Clip(wxDouble x, wxDouble y, wxDouble w, wxDouble h) = 0;
/**
- Concatenates the passed in transform with the current transform of this context
+ Concatenates the passed in transform with the current transform of this
+ context.
*/
virtual void ConcatTransform(const wxGraphicsMatrix& matrix) = 0;
-
/**
Creates a native brush from a wxBrush.
*/
const wxColour& col = *wxBLACK) const;
/**
- Creates a wxGraphicsContext from a native context. This native context must be
- eg a CGContextRef for Core Graphics, a Graphics pointer for GDIPlus or a
- cairo_t pointer for cairo.
+ Creates a wxGraphicsContext from a native context. This native context
+ must be a CGContextRef for Core Graphics, a Graphics pointer for
+ GDIPlus, or a cairo_t pointer for cairo.
- @see wxGraphicsRenderer:: CreateContextFromNativeContext
+ @see wxGraphicsRenderer::CreateContextFromNativeContext()
*/
static wxGraphicsContext* CreateFromNative(void* context);
/**
Creates a wxGraphicsContext from a native window.
- @see wxGraphicsRenderer:: CreateContextFromNativeWindow
+ @see wxGraphicsRenderer::CreateContextFromNativeWindow()
*/
static wxGraphicsContext* CreateFromNativeWindow(void* window);
/**
- Creates a native brush, having a linear gradient, starting at (x1,y1) with
- color c1 to (x2,y2) with color c2
+ Creates a native brush, having a linear gradient, starting at
+ (@a x1, @a y1) with color @a c1 to (@a x2, @a y2) with color @a c2.
*/
virtual wxGraphicsBrush CreateLinearGradientBrush(wxDouble x1,
wxDouble y1,
const wxColour& c2) const;
/**
- Creates a native affine transformation matrix from the passed in values. The
- defaults result in an identity matrix.
+ Creates a native affine transformation matrix from the passed in
+ values. The default parameters result in an identity matrix.
*/
virtual wxGraphicsMatrix CreateMatrix(wxDouble a = 1.0, wxDouble b = 0.0,
wxDouble c = 0.0, wxDouble d = 1.0,
virtual wxGraphicsPen CreatePen(const wxPen& pen) const;
/**
- Creates a native brush, having a radial gradient originating at (xo,yc) with
- color oColour and ends on a circle around (xc,yc) with radius r and color cColour
+ Creates a native brush, having a radial gradient originating at
+ (@a xo, @a yc) with color @a oColour and ends on a circle around
+ (@a xc, @a yc) with the given @a radius and color @a cColour.
*/
virtual wxGraphicsBrush CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
wxDouble xc, wxDouble yc,
const wxColour& cColor) const;
/**
- Draws the bitmap. In case of a mono bitmap, this is treated as a mask and the
- current brushed is used for filling.
+ Draws the bitmap. In case of a mono bitmap, this is treated as a mask
+ and the current brushed is used for filling.
*/
virtual void DrawBitmap(const wxBitmap& bmp, wxDouble x, wxDouble y,
wxDouble w, wxDouble h) = 0;
Draws a polygon.
*/
virtual void DrawLines(size_t n, const wxPoint2DDouble* points,
- int fillStyle = wxODDEVEN_RULE);
+ wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
/**
Draws the path by first filling and then stroking.
*/
virtual void DrawPath(const wxGraphicsPath& path,
- int fillStyle = wxODDEVEN_RULE);
+ wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
/**
Draws a rectangle.
virtual void DrawRoundedRectangle(wxDouble x, wxDouble y, wxDouble w,
wxDouble h, wxDouble radius);
- //@{
/**
- Draws a text at the defined position, at the given angle.
+ Draws text at the defined position.
*/
- void DrawText(const wxString& str, wxDouble x, wxDouble y,
- wxDouble angle);
void DrawText(const wxString& str, wxDouble x, wxDouble y);
- //@}
+ /**
+ Draws text at the defined position.
+
+ @param str
+ The text to draw.
+ @param x
+ The x coordinate position to draw the text at.
+ @param y
+ The y coordinate position to draw the text at.
+ @param angle
+ The angle relative to the (default) horizontal direction to draw
+ the string.
+ */
+ void DrawText(const wxString& str, wxDouble x, wxDouble y, wxDouble angle);
+ /**
+ Draws text at the defined position.
+
+ @param str
+ The text to draw.
+ @param x
+ The x coordinate position to draw the text at.
+ @param y
+ The y coordinate position to draw the text at.
+ @param backgroundBrush
+ Brush to fill the text with.
+ */
+ void DrawText(const wxString& str, wxDouble x, wxDouble y,
+ const wxGraphicsBrush& backgroundBrush);
+ /**
+ Draws text at the defined position.
+
+ @param str
+ The text to draw.
+ @param x
+ The x coordinate position to draw the text at.
+ @param y
+ The y coordinate position to draw the text at.
+ @param angle
+ The angle relative to the (default) horizontal direction to draw
+ the string.
+ @param backgroundBrush
+ Brush to fill the text with.
+ */
+ void DrawText(const wxString& str, wxDouble x, wxDouble y,
+ wxDouble angle, const wxGraphicsBrush& backgroundBrush);
/**
Fills the path with the current brush.
*/
virtual void FillPath(const wxGraphicsPath& path,
- int fillStyle = wxODDEVEN_RULE) = 0;
+ wxPolygonFillMode fillStyle = wxODDEVEN_RULE) = 0;
/**
- Returns the native context (CGContextRef for Core Graphics, Graphics pointer
- for GDIPlus and cairo_t pointer for cairo).
+ Returns the native context (CGContextRef for Core Graphics, Graphics
+ pointer for GDIPlus and cairo_t pointer for cairo).
*/
virtual void* GetNativeContext() = 0;
/**
Fills the @a widths array with the widths from the beginning of
- @a text to the corresponding character of @e text.
+ @a text to the corresponding character of @a text.
*/
virtual void GetPartialTextExtents(const wxString& text,
wxArrayDouble& widths) const = 0;
/**
Gets the dimensions of the string using the currently selected font.
- @e string is the text string to measure, @e w and @e h are
- the total width and height respectively, @a descent is the
- dimension from the baseline of the font to the bottom of the
- descender, and @a externalLeading is any extra vertical space added
- to the font by the font designer (usually is zero).
+
+ @param text
+ The text string to measure.
+ @param width
+ Variable to store the total calculated width of the text.
+ @param height
+ Variable to store the total calculated height of the text.
+ @param descent
+ Variable to store the dimension from the baseline of the font to
+ the bottom of the descender.
+ @param externalLeading
+ Any extra vertical space added to the font by the font designer
+ (usually is zero).
*/
virtual void GetTextExtent(const wxString& text, wxDouble* width,
wxDouble* height, wxDouble* descent,
virtual void ResetClip() = 0;
/**
- Rotates the current transformation matrix (radians),
+ Rotates the current transformation matrix (in radians).
*/
virtual void Rotate(wxDouble angle) = 0;
*/
virtual void Scale(wxDouble xScale, wxDouble yScale) = 0;
- //@{
/**
Sets the brush for filling paths.
*/
void SetBrush(const wxBrush& brush);
- void SetBrush(const wxGraphicsBrush& brush);
- //@}
+ /**
+ Sets the brush for filling paths.
+ */
+ virtual void SetBrush(const wxGraphicsBrush& brush);
- //@{
/**
Sets the font for drawing text.
*/
void SetFont(const wxFont& font, const wxColour& colour);
- void SetFont(const wxGraphicsFont& font);
- //@}
+ /**
+ Sets the font for drawing text.
+ */
+ virtual void SetFont(const wxGraphicsFont& font);
- //@{
/**
Sets the pen used for stroking.
*/
- void SetPen(const wxGraphicsPen& pen);
void SetPen(const wxPen& pen);
- //@}
+ /**
+ Sets the pen used for stroking.
+ */
+ virtual void SetPen(const wxGraphicsPen& pen);
/**
Sets the current transformation matrix of this context
*/
virtual void StrokeLine(wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2);
- //@{
/**
- Stroke disconnected lines from begin to end points, fastest method available
- for this purpose.
+ Stroke disconnected lines from begin to end points, fastest method
+ available for this purpose.
+ */
+ virtual void StrokeLines(size_t n, const wxPoint2DDouble* beginPoints,
+ const wxPoint2DDouble* endPoints);
+ /**
+ Stroke disconnected lines from begin to end points, fastest method
+ available for this purpose.
*/
- void StrokeLines(size_t n, const wxPoint2DDouble* beginPoints,
- const wxPoint2DDouble* endPoints);
- void StrokeLines(size_t n, const wxPoint2DDouble* points);
- //@}
+ virtual void StrokeLines(size_t n, const wxPoint2DDouble* points);
/**
Strokes along a path with the current pen.
Translates the current transformation matrix.
*/
virtual void Translate(wxDouble dx, wxDouble dy) = 0;
+
+ /**
+ Redirects all rendering is done into a fully transparent temporary context
+ */
+ virtual void BeginLayer(wxDouble opacity) = 0;
+
+ /**
+ Composites back the drawings into the context with the opacity given at
+ the BeginLayer call
+ */
+ virtual void EndLayer() = 0;
+
+ /**
+ Sets the antialiasing mode, returns true if it supported
+ */
+ virtual bool SetAntialiasMode(wxAntialiasMode antialias) = 0;
+
+ /**
+ Returns the current shape antialiasing mode
+ */
+ virtual wxAntialiasMode GetAntialiasMode() const ;
+
+ /**
+ Sets the compositing operator, returns true if it supported
+ */
+ virtual bool SetCompositionMode(wxCompositionMode op) = 0;
+
+ /**
+ Returns the current compositing operator
+ */
+ virtual wxCompositionMode GetCompositionMode() const;
+
};
A wxGraphicsRenderer is the instance corresponding to the rendering engine
used. There may be multiple instances on a system, if there are different
- rendering engines present, but there is always only one instance per engine.
- This instance is pointed back to by all objects created by it (wxGraphicsContext,
- wxGraphicsPath etc) and can be retrieved through their wxGraphicsObject::GetRenderer()
- method. Therefore you can create an additional instance of a path etc. by calling
- wxGraphicsObject::GetRenderer() and then using the appropriate CreateXXX function
- of that renderer.
+ rendering engines present, but there is always only one instance per
+ engine. This instance is pointed back to by all objects created by it
+ (wxGraphicsContext, wxGraphicsPath etc) and can be retrieved through their
+ wxGraphicsObject::GetRenderer() method. Therefore you can create an
+ additional instance of a path etc. by calling
+ wxGraphicsObject::GetRenderer() and then using the appropriate CreateXXX()
+ function of that renderer.
@code
wxGraphicsPath *path = // from somewhere
@endcode
@library{wxcore}
- @category{FIXME}
+ @category{gdi}
*/
class wxGraphicsRenderer : public wxObject
{
/**
Creates a wxGraphicsContext from a wxWindowDC
*/
- virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc) = 0 ;
+ virtual wxGraphicsContext* CreateContext(const wxWindowDC& dc) = 0 ;
/**
Creates a wxGraphicsContext from a wxMemoryDC
*/
- virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc) = 0 ;
+ virtual wxGraphicsContext* CreateContext(const wxMemoryDC& dc) = 0 ;
/**
Creates a wxGraphicsContext from a wxPrinterDC
*/
- virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc) = 0 ;
+ virtual wxGraphicsContext* CreateContext(const wxPrinterDC& dc) = 0 ;
/**
Creates a native brush from a wxBrush.
*/
virtual wxGraphicsBrush CreateBrush(const wxBrush& brush) = 0;
-
/**
- Creates a wxGraphicsContext from a native context. This native context must be
- eg a CGContextRef for Core Graphics, a Graphics pointer for GDIPlus or a cairo_t
- pointer for cairo.
+ Creates a wxGraphicsContext from a native context. This native context
+ must be a CGContextRef for Core Graphics, a Graphics pointer for
+ GDIPlus, or a cairo_t pointer for cairo.
*/
virtual wxGraphicsContext* CreateContextFromNativeContext(void* context) = 0;
*/
virtual wxGraphicsContext* CreateContextFromNativeWindow(void* window) = 0;
+ /**
+ Creates a wxGraphicsContext that can be used for measuring texts only.
+ No drawing commands are allowed.
+ */
+ virtual wxGraphicsContext * CreateMeasuringContext() = 0;
+
/**
Creates a native graphics font from a wxFont and a text colour.
*/
const wxColour& col = *wxBLACK) = 0;
/**
- Creates a native brush, having a linear gradient, starting at (x1,y1) with
- color c1 to (x2,y2) with color c2
+ Creates a native brush, having a linear gradient, starting at
+ (@a x1, @a y1) with color @a c1 to (@a x2, @a y2) with color @a c2.
*/
- wxGraphicsBrush CreateLinearGradientBrush(wxDouble x1,
- wxDouble y1,
- wxDouble x2,
- wxDouble y2,
- const wxColour& c1,
- const wxColour& c2) = 0;
+ virtual wxGraphicsBrush CreateLinearGradientBrush(wxDouble x1,
+ wxDouble y1,
+ wxDouble x2,
+ wxDouble y2,
+ const wxColour& c1,
+ const wxColour& c2) = 0;
/**
- Creates a native affine transformation matrix from the passed in values. The
- defaults result in an identity matrix.
+ Creates a native affine transformation matrix from the passed in
+ values. The defaults result in an identity matrix.
*/
virtual wxGraphicsMatrix CreateMatrix(wxDouble a = 1.0, wxDouble b = 0.0,
wxDouble c = 0.0, wxDouble d = 1.0,
virtual wxGraphicsPen CreatePen(const wxPen& pen) = 0;
/**
- Creates a native brush, having a radial gradient originating at (xo,yc) with
- color oColour and ends on a circle around (xc,yc) with radius r and color cColour
+ Creates a native brush, having a radial gradient originating at
+ (@a xo, @a yc) with color @a oColour and ends on a circle around
+ (@a xc, @a yc) with the given @a radius and color @a cColour.
*/
virtual wxGraphicsBrush CreateRadialGradientBrush(wxDouble xo, wxDouble yo,
wxDouble xc, wxDouble yc,
/**
Returns the default renderer on this platform. On OS X this is the Core
- Graphics (a.k.a. Quartz 2D) renderer, on MSW the GDIPlus renderer, and on GTK we currently default to the cairo renderer.
+ Graphics (a.k.a. Quartz 2D) renderer, on MSW the GDIPlus renderer, and
+ on GTK we currently default to the cairo renderer.
*/
static wxGraphicsRenderer* GetDefaultRenderer();
};
/**
@class wxGraphicsBrush
- A wxGraphicsBrush is a native representation of a brush. The contents
- are specific and private to the respective renderer. Instances are ref counted and can
- therefore be assigned as usual. The only way to get a valid instance is via
- wxGraphicsContext::CreateBrush or wxGraphicsRenderer::CreateBrush.
+ A wxGraphicsBrush is a native representation of a brush. The contents are
+ specific and private to the respective renderer. Instances are ref counted
+ and can therefore be assigned as usual. The only way to get a valid
+ instance is via wxGraphicsContext::CreateBrush() or
+ wxGraphicsRenderer::CreateBrush().
@library{wxcore}
- @category{FIXME}
+ @category{gdi}
*/
class wxGraphicsBrush : public wxGraphicsObject
{
/**
@class wxGraphicsFont
- A wxGraphicsFont is a native representation of a font. The contents
- are specific and private to the respective renderer. Instances are ref counted and can
- therefore be assigned as usual. The only way to get a valid instance is via
- wxGraphicsContext::CreateFont or wxGraphicsRenderer::CreateFont.
+ A wxGraphicsFont is a native representation of a font. The contents are
+ specific and private to the respective renderer. Instances are ref counted
+ and can therefore be assigned as usual. The only way to get a valid
+ instance is via wxGraphicsContext::CreateFont() or
+ wxGraphicsRenderer::CreateFont().
@library{wxcore}
- @category{FIXME}
+ @category{gdi}
*/
class wxGraphicsFont : public wxGraphicsObject
{
/**
@class wxGraphicsPen
- A wxGraphicsPen is a native representation of a pen. The contents
- are specific and private to the respective renderer. Instances are ref counted and can
- therefore be assigned as usual. The only way to get a valid instance is via
- wxGraphicsContext::CreatePen or wxGraphicsRenderer::CreatePen.
+ A wxGraphicsPen is a native representation of a pen. The contents are
+ specific and private to the respective renderer. Instances are ref counted
+ and can therefore be assigned as usual. The only way to get a valid
+ instance is via wxGraphicsContext::CreatePen() or
+ wxGraphicsRenderer::CreatePen().
@library{wxcore}
- @category{FIXME}
+ @category{gdi}
*/
class wxGraphicsPen : public wxGraphicsObject
{
/**
@class wxGraphicsMatrix
- A wxGraphicsMatrix is a native representation of an affine matrix. The contents
- are specific and private to the respective renderer. Instances are ref counted and can
- therefore be assigned as usual. The only way to get a valid instance is via
- wxGraphicsContext::CreateMatrix or wxGraphicsRenderer::CreateMatrix.
+ A wxGraphicsMatrix is a native representation of an affine matrix. The
+ contents are specific and private to the respective renderer. Instances are
+ ref counted and can therefore be assigned as usual. The only way to get a
+ valid instance is via wxGraphicsContext::CreateMatrix() or
+ wxGraphicsRenderer::CreateMatrix().
@library{wxcore}
- @category{FIXME}
+ @category{gdi}
*/
class wxGraphicsMatrix : public wxGraphicsObject
{
public:
- //@{
/**
-
+ Concatenates the matrix passed with the current matrix.
+ */
+ virtual void Concat(const wxGraphicsMatrix* t);
+ /**
+ Concatenates the matrix passed with the current matrix.
*/
- void Concat(const wxGraphicsMatrix* t);
void Concat(const wxGraphicsMatrix& t);
- //@}
/**
Returns the component values of the matrix via the argument pointers.
*/
- virtual void Get(wxDouble* a = NULL, wxDouble* b = NULL, wxDouble* c = NULL,
- wxDouble* d = NULL, wxDouble* tx = NULL,
- wxDouble* ty = NULL) const;
+ virtual void Get(wxDouble* a = NULL, wxDouble* b = NULL,
+ wxDouble* c = NULL, wxDouble* d = NULL,
+ wxDouble* tx = NULL, wxDouble* ty = NULL) const;
/**
- Returns the native representation of the matrix. For CoreGraphics this is a
- CFAffineMatrix pointer. For GDIPlus a Matrix Pointer and for Cairo a cairo_matrix_t pointer.
+ Returns the native representation of the matrix. For CoreGraphics this
+ is a CFAffineMatrix pointer, for GDIPlus a Matrix Pointer, and for
+ Cairo a cairo_matrix_t pointer.
*/
virtual void* GetNativeMatrix() const;
*/
virtual void Invert();
+ /**
+ Returns @true if the elements of the transformation matrix are equal.
+ */
+ virtual bool IsEqual(const wxGraphicsMatrix* t) const;
/**
Returns @true if the elements of the transformation matrix are equal.
*/
virtual bool IsIdentity() const;
/**
- Rotates this matrix (radians).
+ Rotates this matrix (in radians).
*/
virtual void Rotate(wxDouble angle);
virtual void Scale(wxDouble xScale, wxDouble yScale);
/**
- Sets the matrix to the respective values (default values are the identity
- matrix)
+ Sets the matrix to the respective values (default values are the
+ identity matrix).
*/
virtual void Set(wxDouble a = 1.0, wxDouble b = 0.0, wxDouble c = 0.0,
wxDouble d = 1.0, wxDouble tx = 0.0, wxDouble ty = 0.0);
/**
Applies this matrix to a distance (ie. performs all transforms except
- translations)
+ translations).
*/
virtual void TransformDistance(wxDouble* dx, wxDouble* dy) const;
*/
virtual void Translate(wxDouble dx, wxDouble dy);
};
+
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