graphicsbuffer

struct ResizableGraphicsBuffer;

Resizable graphics buffer.

void start(int width, int height);
void start(Size size);

Start the graphics buffer with its initialial dimensions. The initial bits of the graphics buffer are undefined.

Graphics graphics();

Get the graphics buffer's Graphics to draw on.

bool copyTo(Graphics g);
bool copyTo(Graphics g, Rect clipRect);

Copy the graphics buffer bits to the provided Graphics.

void stop();

Stop the graphics buffer by releasing resources.

bool resize(int width, int height);
void resize(Size size);

Update the dimensions of the graphics buffer.

Returns:
true if the entire area needs to be redrawn and the bits of the graphics buffer are undefined.

Graphics graphicsBuffer();

Property:
get the graphics buffer.

int width();
int height();
Size size();

Property:
get the dimensions of the graphics buffer.

template ControlFixedGraphicsBuffer()

Mixin for a fixed-size, double buffer Control. ControlStyles ALL_PAINTING_IN_WM_PAINT and USER_PAINT must be set.

void onBufferPaint(PaintEventArgs ea);

Override to draw onto the graphics buffer.

void updateGraphics(Rect area);
void updateGraphics();

Updates the double buffer by calling onBufferPaint() and fires a screen-redraw event.

Graphics graphicsBuffer();

Property:
get the graphics buffer. May be null if there is no need for a graphics buffer yet.

invalidate() can be used to fire a screen-redraw event.

void dispose();

template ControlResizableGraphicsBuffer()

Mixin for a variable-size, double buffer Control. ControlStyles ALL_PAINTING_IN_WM_PAINT and USER_PAINT must be set.

void onBufferPaint(PaintEventArgs ea);

Override to draw onto the graphics buffer.

void updateGraphics(Rect area);
void updateGraphics();

Updates the double buffer by calling onBufferPaint() and fires a screen-redraw event.

Graphics graphicsBuffer();

Property:
get the graphics buffer. May be null if there is no need for a graphics buffer yet.

invalidate() can be used to fire a screen-redraw event.

void dispose();

class DoubleBufferedForm: dfl.form.Form;

Mixes in ControlResizableGraphicsBuffer and sets the appropriate styles.

Example:

private import dfl.all
private import graphicsbuffer;

class MyForm: DoubleBufferedForm
{
	protected override void onBufferPaint(PaintEventArgs ea)
	{
		super.onBufferPaint(ea); // Fills the background color.

		// Other painting and drawing to ea.graphics...
	}
}

void main()
{
	Application.run(new MyForm());
}

class DoubleBufferedControl: dfl.usercontrol.UserControl;

Mixes in ControlResizableGraphicsBuffer and sets the appropriate styles.