137 lines
4.5 KiB
Plaintext
137 lines
4.5 KiB
Plaintext
// Filename: textGlyph.I
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// Created by: drose (08Feb02)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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// Function: TextGlyph::Default constructor
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// Access: Public
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// Description: This constructor makes an invalid glyph.
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////////////////////////////////////////////////////////////////////
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INLINE TextGlyph::
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TextGlyph(int character) :
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_character(character)
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{
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_geom = (Geom *)NULL;
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_advance = 0.0f;
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}
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////////////////////////////////////////////////////////////////////
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// Function: TextGlyph::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE TextGlyph::
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TextGlyph(int character, const Geom *geom,
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const RenderState *state, float advance) :
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_character(character),
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_geom(geom),
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_state(state),
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_advance(advance)
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{
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if (_state == (RenderState *)NULL) {
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_state = RenderState::make_empty();
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: TextGlyph::Copy Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE TextGlyph::
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TextGlyph(const TextGlyph ©) :
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_character(copy._character),
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_geom(copy._geom),
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_state(copy._state),
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_advance(copy._advance)
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{
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}
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////////////////////////////////////////////////////////////////////
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// Function: TextGlyph::Copy Assignment Operator
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE void TextGlyph::
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operator = (const TextGlyph ©) {
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_character = copy._character;
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_geom = copy._geom;
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_state = copy._state;
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_advance = copy._advance;
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}
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////////////////////////////////////////////////////////////////////
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// Function: TextGlyph::get_character
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// Access: Public
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// Description: Returns the Unicode value that corresponds to the
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// character this glyph represents.
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////////////////////////////////////////////////////////////////////
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INLINE int TextGlyph::
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get_character() const {
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return _character;
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}
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////////////////////////////////////////////////////////////////////
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// Function: TextGlyph::get_geom
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// Access: Public
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// Description: Returns a Geom that renders the particular glyph.
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////////////////////////////////////////////////////////////////////
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INLINE PT(Geom) TextGlyph::
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get_geom(Geom::UsageHint usage_hint) const {
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if (_geom == (Geom *)NULL) {
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return NULL;
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}
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// We always return a copy of the geom. That will allow the caller
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// to modify its vertices without fear of stomping on other copies;
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// it is also critical for the DynamicTextGlyph, which depends on
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// this behavior to properly count references to this glyph.
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PT(Geom) new_geom = _geom->make_copy();
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new_geom->set_usage_hint(usage_hint);
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const GeomVertexData *vdata = new_geom->get_vertex_data();
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nassertr(vdata != NULL, new_geom);
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if (vdata->get_usage_hint() != usage_hint) {
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new_geom->modify_vertex_data()->set_usage_hint(usage_hint);
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}
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return new_geom;
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}
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////////////////////////////////////////////////////////////////////
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// Function: TextGlyph::get_state
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// Access: Public
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// Description: Returns the state in which the glyph should be
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// rendered.
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////////////////////////////////////////////////////////////////////
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INLINE const RenderState *TextGlyph::
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get_state() const {
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return _state;
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}
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////////////////////////////////////////////////////////////////////
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// Function: TextGlyph::get_advance
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// Access: Public
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// Description: Returns the distance by which the character pointer
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// should be advanced after placing this character;
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// i.e. the approximate width the character takes up on
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// the line.
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////////////////////////////////////////////////////////////////////
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INLINE float TextGlyph::
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get_advance() const {
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return _advance;
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}
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