100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
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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 textGlyph.h
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* @author drose
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* @date 2002-02-08
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*/
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#ifndef TEXTGLYPH_H
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#define TEXTGLYPH_H
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#include "pandabase.h"
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#include "renderState.h"
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#include "referenceCount.h"
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#include "geom.h"
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#include "pointerTo.h"
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#include "dcast.h"
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/**
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* A representation of a single glyph (character) from a font. This is a
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* piece of renderable geometry of some kind.
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*/
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class EXPCL_PANDA_TEXT TextGlyph : public TypedReferenceCount {
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public:
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INLINE TextGlyph(int character, PN_stdfloat advance=0);
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INLINE TextGlyph(int character, const Geom *geom,
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const RenderState *state, PN_stdfloat advance);
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INLINE TextGlyph(const TextGlyph ©);
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INLINE void operator = (const TextGlyph ©);
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virtual ~TextGlyph();
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PUBLISHED:
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INLINE int get_character() const;
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INLINE bool has_quad() const;
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INLINE bool get_quad(LVecBase4 &dimensions, LVecBase4 &texcoords) const;
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INLINE const RenderState *get_state() const;
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INLINE PN_stdfloat get_advance() const;
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MAKE_PROPERTY(character, get_character);
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MAKE_PROPERTY(state, get_state);
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MAKE_PROPERTY(advance, get_advance);
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virtual bool is_whitespace() const;
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PT(Geom) get_geom(Geom::UsageHint usage_hint) const;
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public:
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void calc_tight_bounds(LPoint3 &min_point, LPoint3 &max_point,
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bool &found_any, Thread *current_thread) const;
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void set_quad(const LVecBase4 &dimensions, const LVecBase4 &texcoords,
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const RenderState *state);
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void set_geom(GeomVertexData *vdata, GeomPrimitive *prim,
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const RenderState *state);
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private:
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void check_quad_geom();
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void make_quad_geom();
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protected:
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int _character;
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CPT(Geom) _geom;
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CPT(RenderState) _state;
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PN_stdfloat _advance;
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bool _has_quad;
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// top, left, bottom, right
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LVecBase4 _quad_dimensions;
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LVecBase4 _quad_texcoords;
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friend class GeomTextGlyph;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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TypedReferenceCount::init_type();
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register_type(_type_handle, "TextGlyph",
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TypedReferenceCount::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "textGlyph.I"
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#endif
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