95 lines
2.2 KiB
Text
95 lines
2.2 KiB
Text
/**
|
|
* PANDA 3D SOFTWARE
|
|
* Copyright (c) Carnegie Mellon University. All rights reserved.
|
|
*
|
|
* All use of this software is subject to the terms of the revised BSD
|
|
* license. You should have received a copy of this license along
|
|
* with this source code in a file named "LICENSE."
|
|
*
|
|
* @file pnmTextGlyph.I
|
|
* @author drose
|
|
* @date 2003-09-07
|
|
*/
|
|
|
|
/**
|
|
* Returns the number of pixels by which the pen should be advanced after
|
|
* rendering this glyph.
|
|
*/
|
|
INLINE int PNMTextGlyph::
|
|
get_advance() const {
|
|
return _int_advance;
|
|
}
|
|
|
|
/**
|
|
* Returns the x coordinate of the leftmost pixel in the glyph.
|
|
*/
|
|
INLINE int PNMTextGlyph::
|
|
get_left() const {
|
|
return _left;
|
|
}
|
|
|
|
/**
|
|
* Returns the x coordinate of the rightmost pixel in the glyph.
|
|
*/
|
|
INLINE int PNMTextGlyph::
|
|
get_right() const {
|
|
return _left + _image.get_x_size();
|
|
}
|
|
|
|
/**
|
|
* Returns the y coordinate of the bottommost pixel in the glyph.
|
|
*/
|
|
INLINE int PNMTextGlyph::
|
|
get_bottom() const {
|
|
return _top + _image.get_y_size();
|
|
}
|
|
|
|
/**
|
|
* Returns the y coordinate of the topmost pixel in the glyph.
|
|
*/
|
|
INLINE int PNMTextGlyph::
|
|
get_top() const {
|
|
return _top;
|
|
}
|
|
|
|
/**
|
|
* Returns the height of the glyph in pixels.
|
|
*/
|
|
INLINE int PNMTextGlyph::
|
|
get_height() const {
|
|
return _image.get_y_size();
|
|
}
|
|
|
|
/**
|
|
* Returns the width of the glyph in pixels.
|
|
*/
|
|
INLINE int PNMTextGlyph::
|
|
get_width() const {
|
|
return _image.get_x_size();
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
INLINE double PNMTextGlyph::
|
|
get_value(int x, int y) const {
|
|
nassertr(x >= 0 && x < get_width() &&
|
|
y >= 0 && y < get_height(), 0.0);
|
|
// By convention, the "value" attribute is stored in the blue component.
|
|
return _image.get_blue(x, y);
|
|
}
|
|
|
|
/**
|
|
* Returns true if the indicated pixel represents a pixel in the interior of a
|
|
* hollow font, false otherwise.
|
|
*/
|
|
INLINE bool PNMTextGlyph::
|
|
get_interior_flag(int x, int y) const {
|
|
nassertr(x >= 0 && x < get_width() &&
|
|
y >= 0 && y < get_height(), false);
|
|
// By convention, the "interior_value" attribute is stored in the red
|
|
// component.
|
|
return _image.get_red_val(x, y) != 0;
|
|
}
|