123 lines
3.1 KiB
C
123 lines
3.1 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 textFont.h
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* @author drose
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* @date 2002-02-08
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*/
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#ifndef TEXTFONT_H
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#define TEXTFONT_H
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#include "pandabase.h"
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#include "textGlyph.h"
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#include "typedReferenceCount.h"
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#include "namable.h"
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#include "pmap.h"
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#include "pointerTo.h"
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/**
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* An encapsulation of a font; i.e. a set of glyphs that may be assembled
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* together by a TextNode to represent a string of text.
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*
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* This is just an abstract interface; see StaticTextFont or DynamicTextFont
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* for an actual implementation.
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*/
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class EXPCL_PANDA_TEXT TextFont : public TypedReferenceCount, public Namable {
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public:
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TextFont();
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TextFont(const TextFont ©);
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PUBLISHED:
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virtual ~TextFont();
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enum RenderMode {
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// Each glyph is a single textured rectangle
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RM_texture,
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// Each glyph is a lot of line segments
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RM_wireframe,
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// Each glyph is a lot of triangles
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RM_polygon,
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// a 3-D outline, like a cookie cutter
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RM_extruded,
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// combination of RM_extruded and RM_polygon
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RM_solid,
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RM_distance_field,
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// Returned by string_render_mode() for an invalid match.
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RM_invalid,
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};
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virtual PT(TextFont) make_copy() const=0;
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INLINE bool is_valid() const;
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INLINE operator bool () const;
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INLINE PN_stdfloat get_line_height() const;
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INLINE void set_line_height(PN_stdfloat line_height);
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MAKE_PROPERTY(valid, is_valid);
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MAKE_PROPERTY(line_height, get_line_height, set_line_height);
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INLINE PN_stdfloat get_space_advance() const;
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INLINE void set_space_advance(PN_stdfloat space_advance);
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MAKE_PROPERTY(space_advance, get_space_advance, set_space_advance);
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INLINE CPT(TextGlyph) get_glyph(int character);
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virtual PN_stdfloat get_kerning(int first, int second) const;
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virtual void write(std::ostream &out, int indent_level) const;
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public:
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INLINE PN_stdfloat get_total_poly_margin() const;
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virtual bool get_glyph(int character, CPT(TextGlyph) &glyph)=0;
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TextGlyph *get_invalid_glyph();
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static RenderMode string_render_mode(const std::string &string);
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private:
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void make_invalid_glyph();
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protected:
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bool _is_valid;
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PN_stdfloat _line_height;
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PN_stdfloat _space_advance;
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PN_stdfloat _total_poly_margin;
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PT(TextGlyph) _invalid_glyph;
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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, "TextFont",
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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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EXPCL_PANDA_TEXT std::ostream &operator << (std::ostream &out, TextFont::RenderMode rm);
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EXPCL_PANDA_TEXT std::istream &operator >> (std::istream &in, TextFont::RenderMode &rm);
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#include "textFont.I"
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#endif
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