PNMTextGlyph Class Reference

A single glyph in a PNMTextMaker. More...

#include "pnmTextGlyph.h"

Public Member Functions
	PNMTextGlyph (double advance)
int	get_advance () const
	Returns the number of pixels by which the pen should be advanced after rendering this glyph. More...
int	get_bottom () const
	Returns the y coordinate of the bottommost pixel in the glyph. More...
int	get_height () const
	Returns the height of the glyph in pixels. More...
bool	get_interior_flag (int x, int y) const
	Returns true if the indicated pixel represents a pixel in the interior of a hollow font, false otherwise. More...
int	get_left () const
	Returns the x coordinate of the leftmost pixel in the glyph. More...
int	get_right () const
	Returns the x coordinate of the rightmost pixel in the glyph. More...
int	get_top () const
	Returns the y coordinate of the topmost pixel in the glyph. More...
double	get_value (int x, int y) const
	Returns the value of the indicated pixel of the glyph. More...
int	get_width () const
	Returns the width of the glyph in pixels. More...
void	place (PNMImage &dest_image, int xp, int yp, const LColor &fg)
	Copies the glyph to the indicated destination image at the indicated origin. More...
void	place (PNMImage &dest_image, int xp, int yp, const LColor &fg, const LColor &interior)
	This flavor of place() also fills in the interior color. More...

Friends
class	PNMTextMaker

Detailed Description

A single glyph in a PNMTextMaker.

Definition at line 25 of file pnmTextGlyph.h.

Member Function Documentation

get_advance()

int PNMTextGlyph::get_advance ( ) const

inline

Returns the number of pixels by which the pen should be advanced after rendering this glyph.

Definition at line 19 of file pnmTextGlyph.I.

Referenced by PNMTextMaker::calc_width(), and PNMTextMaker::generate_into().

get_bottom()

int PNMTextGlyph::get_bottom ( ) const

inline

Returns the y coordinate of the bottommost pixel in the glyph.

Definition at line 43 of file pnmTextGlyph.I.

References PNMImageHeader::get_y_size().

get_height()

int PNMTextGlyph::get_height ( ) const

inline

Returns the height of the glyph in pixels.

Definition at line 59 of file pnmTextGlyph.I.

References PNMImageHeader::get_y_size().

get_interior_flag()

bool PNMTextGlyph::get_interior_flag ( int  x, int  y  ) const

inline

Returns true if the indicated pixel represents a pixel in the interior of a hollow font, false otherwise.

Definition at line 89 of file pnmTextGlyph.I.

get_left()

int PNMTextGlyph::get_left ( ) const

inline

Returns the x coordinate of the leftmost pixel in the glyph.

Definition at line 27 of file pnmTextGlyph.I.

get_right()

int PNMTextGlyph::get_right ( ) const

inline

Returns the x coordinate of the rightmost pixel in the glyph.

Definition at line 35 of file pnmTextGlyph.I.

get_top()

int PNMTextGlyph::get_top ( ) const

inline

Returns the y coordinate of the topmost pixel in the glyph.

Definition at line 51 of file pnmTextGlyph.I.

get_value()

double PNMTextGlyph::get_value ( int  x, int  y  ) const

inline

Returns the value of the indicated pixel of the glyph.

The result is in the range [0, 1], where 0 indicates the pixel is not part of the glyph, and 1 indicates it is. Intermediate values are used to represent antialiasing.

Definition at line 77 of file pnmTextGlyph.I.

get_width()

int PNMTextGlyph::get_width ( ) const

inline

Returns the width of the glyph in pixels.

Definition at line 67 of file pnmTextGlyph.I.

References PNMImageHeader::get_x_size().

place() [1/2]

void PNMTextGlyph::place	(	PNMImage &	dest_image,
		int	xp,
		int	yp,
		const LColor &	fg
	)

Copies the glyph to the indicated destination image at the indicated origin.

It colors the glyph pixels the indicated foreground color, blends antialiased pixels with the appropriate amount of the foreground color and the existing background color, and leaves other pixels alone.

Definition at line 46 of file pnmTextGlyph.cxx.

References PNMImage::is_valid().

Referenced by PNMTextMaker::generate_into().

place() [2/2]

void PNMTextGlyph::place	(	PNMImage &	dest_image,
		int	xp,
		int	yp,
		const LColor &	fg,
		const LColor &	interior
	)

This flavor of place() also fills in the interior color.

This requires that determine_interior was called earlier.

Definition at line 84 of file pnmTextGlyph.cxx.

References PNMImage::is_valid().

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The documentation for this class was generated from the following files:

• panda/src/pnmtext/pnmTextGlyph.h
• panda/src/pnmtext/pnmTextGlyph.cxx
• panda/src/pnmtext/pnmTextGlyph.I