Pixmap Class Reference

#include <Pt/Forms/Pixmap.h>

Back buffer drawing surface.

Inherits PaintSurface.

Public Member Functions
void	reset (const Gfx::Image &image)
	Resets to an image.
void	reset (const Gfx::SizeF &size)
	Resizes to a size in physical pixels.
const Gfx::ImageFormat &	format () const
	Returns the image format.
const Gfx::SizeF &	size () const
	Returns the size in physical pixels.
const Scaling &	scaling () const
	Returns the scaling from logical to physical pixels.
Canvas *	getCanvas (Canvas *canvas)
	Returns a canvas for backend drawing.
void	sync ()
	Synchronizes pending operations to the surface.
void	finish ()
	Finishes painting to the surface.

Protected Member Functions
virtual const Gfx::ImageFormat &	onGetFormat () const override
	Returns the image format.
virtual const Gfx::SizeF &	onGetSize () const override
	Returns the size in physical pixel.
virtual const Gfx::Scaling &	onGetScaling () const override
	Returns the scaling fro logical to physical pixels.
virtual Gfx::Canvas *	onGetCanvas (Gfx::Canvas *reuse) override
	Returns a reusable canvas instance.
virtual Gfx::Canvas *	onCreateCanvas (Gfx::Canvas *reuse) override
	Creates a Canvas.
virtual void	onReleaseCanvas () override
	Releases the current Canvas.
virtual void	onSync () override
	Synchronizes pending operations to the surface.
virtual void	onFinish () override
	Finishes painting to the surface.
void	invalidate ()
	Invalidates the currently active paint canvas.