VectorFontRenderer

touchgfx/hal/VectorFontRenderer.hpp

Abstract interface for classes implementing vector font rendering.

Inherited by: VectorFontRendererImpl

Public Functions

virtual void	drawGlyph(const Rect & canvasAreaAbs, const Rect & invalidatedAreaRel, const uint16_t data, const Font font, colortype color, uint8_t alpha, TextRotation rotation, int x, int y) =0
	Draws one glyph from the provided data.
virtual	~VectorFontRenderer()
	Virtual destructor.

Public Functions Documentation

drawGlyph

virtual void drawGlyph	(	const Rect &	canvasAreaAbs ,		=0
		const Rect &	invalidatedAreaRel ,		=0
		const uint16_t *	data ,		=0
		const Font *	font ,		=0
		colortype	color ,		=0
		uint8_t	alpha ,		=0
		TextRotation	rotation ,		=0
		int	x ,		=0
		int	y		=0
		)	=0

Draws one glyph from the provided data.

Parameters:

canvasAreaAbs	The canvas dimensions in absolute coordinates.
invalidatedAreaRel	The area which should be updated in relative coordinates to the canvas area.
data	Data containing tags and points for all contours of the glyph.
font	The font to use.
color	The color of the glyph.
alpha	The transparency of the glyph.
rotation	Rotation to do before drawing the glyph.
x	Distance to advance horizontally.
y	Distance to move down.

Reimplemented by: touchgfx::VectorFontRendererImpl::drawGlyph

~VectorFontRenderer

virtual ~VectorFontRenderer	(			)

Virtual destructor.