96 lines
2.2 KiB
Text
96 lines
2.2 KiB
Text
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file pnmTextGlyph.I
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* @author drose
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* @date 2003-09-07
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*/
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/**
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* Returns the number of pixels by which the pen should be advanced after
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* rendering this glyph.
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*/
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INLINE int PNMTextGlyph::
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get_advance() const {
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return _int_advance;
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}
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/**
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* Returns the x coordinate of the leftmost pixel in the glyph.
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*/
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INLINE int PNMTextGlyph::
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get_left() const {
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return _left;
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}
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/**
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* Returns the x coordinate of the rightmost pixel in the glyph.
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*/
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INLINE int PNMTextGlyph::
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get_right() const {
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return _left + _image.get_x_size();
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}
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/**
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* Returns the y coordinate of the bottommost pixel in the glyph.
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*/
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INLINE int PNMTextGlyph::
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get_bottom() const {
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return _top + _image.get_y_size();
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}
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/**
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* Returns the y coordinate of the topmost pixel in the glyph.
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*/
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INLINE int PNMTextGlyph::
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get_top() const {
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return _top;
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}
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/**
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* Returns the height of the glyph in pixels.
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*/
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INLINE int PNMTextGlyph::
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get_height() const {
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return _image.get_y_size();
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}
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/**
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* Returns the width of the glyph in pixels.
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*/
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INLINE int PNMTextGlyph::
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get_width() const {
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return _image.get_x_size();
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}
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/**
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* Returns the value of the indicated pixel of the glyph. The result is in
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* the range [0, 1], where 0 indicates the pixel is not part of the glyph, and
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* 1 indicates it is. Intermediate values are used to represent antialiasing.
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*/
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INLINE double PNMTextGlyph::
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get_value(int x, int y) const {
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nassertr(x >= 0 && x < get_width() &&
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y >= 0 && y < get_height(), 0.0);
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// By convention, the "value" attribute is stored in the blue component.
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return _image.get_blue(x, y);
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}
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/**
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* Returns true if the indicated pixel represents a pixel in the interior of a
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* hollow font, false otherwise.
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*/
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INLINE bool PNMTextGlyph::
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get_interior_flag(int x, int y) const {
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nassertr(x >= 0 && x < get_width() &&
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y >= 0 && y < get_height(), false);
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// By convention, the "interior_value" attribute is stored in the red
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// component.
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return _image.get_red_val(x, y) != 0;
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}
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