Description of Canvas

class Canvas (Return to index)

2d area for drawing.

Type:

Instantiable
Derived Classes

Include file:

InterViews/canvas.h

Description:

in reference manual

Public:

Canvas ()

unsigned int Height () const

virtual void SetBackground (const Color*)

unsigned int Width () const

virtual boolean any_damage () const

virtual void back_buffer ()

virtual void character ( const Font*, long ch, Coord width, const Color*, Coord x, Coord y )

virtual void clip ()

virtual void clip_rect (Coord l, Coord b, Coord r, Coord t)

virtual void close_path ()

virtual void curve_to ( Coord x, Coord y, Coord x1, Coord y1, Coord x2, Coord y2 )

virtual void damage (Coord left, Coord bottom, Coord right, Coord top)

virtual void damage (const Extension&)

virtual void damage_all ()

virtual void damage_area (Extension&)

virtual boolean damaged ( Coord left, Coord bottom, Coord right, Coord top ) const

virtual boolean damaged (const Extension&) const

enum { mapped, unmapped, offscreen }

virtual void fill (const Color*)

virtual void fill_rect (Coord l, Coord b, Coord r, Coord t, const Color*)

virtual void front_buffer ()

virtual Coord height () const

virtual void image (const Raster*, Coord x, Coord y)

virtual void line ( Coord x1, Coord y1, Coord x2, Coord y2, const Color*, const Brush* )

virtual void line_to (Coord x, Coord y)

virtual void move_to (Coord x, Coord y)

virtual void new_path ()

virtual PixelCoord pheight () const

virtual void pop_clipping ()

virtual void pop_transform ()

virtual void psize (PixelCoord width, PixelCoord height)

virtual void push_clipping ()

virtual void push_transform ()

virtual PixelCoord pwidth () const

virtual void rect ( Coord l, Coord b, Coord r, Coord t, const Color*, const Brush* )

virtual void redraw (Coord left, Coord bottom, Coord right, Coord top)

CanvasRep* rep () const

virtual void repair ()

virtual void restrict_damage ( Coord left, Coord bottom, Coord right, Coord top )

virtual void restrict_damage (const Extension&)

virtual void size (Coord width, Coord height)

virtual CanvasLocation status () const

virtual void stencil (const Bitmap*, const Color*, Coord x, Coord y)

virtual void stroke (const Color*, const Brush*)

virtual Coord to_coord (PixelCoord) const

virtual PixelCoord to_pixels (Coord) const

virtual Coord to_pixels_coord (Coord) const

virtual void transform (const Transformer&)

virtual const Transformer& transformer () const

virtual void transformer (const Transformer&)

virtual Coord width () const

virtual Window* window () const

virtual ~Canvas ()

(more documentation)