126 lines
3.3 KiB
C++
126 lines
3.3 KiB
C++
// Filename: textFont.h
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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) 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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////////////////////////////////////////////////////////////////////
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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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// Class : TextFont
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// Description : An encapsulation of a font; i.e. a set of glyphs that
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// may be assembled together by a TextNode to represent
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// a string of text.
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//
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// This is just an abstract interface; see
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// StaticTextFont or DynamicTextFont for an actual
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// 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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// Returned by string_render_mode() for an invalid match.
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RM_invalid,
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};
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enum WindingOrder {
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WO_default,
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WO_left,
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WO_right,
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WO_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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INLINE PN_stdfloat get_space_advance() const;
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INLINE void set_space_advance(PN_stdfloat space_advance);
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virtual void write(ostream &out, int indent_level) const;
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public:
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virtual bool get_glyph(int character, const TextGlyph *&glyph)=0;
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TextGlyph *get_invalid_glyph();
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static RenderMode string_render_mode(const string &string);
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static WindingOrder string_winding_order(const 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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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 ostream &operator << (ostream &out, TextFont::RenderMode rm);
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EXPCL_PANDA_TEXT istream &operator >> (istream &in, TextFont::RenderMode &rm);
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EXPCL_PANDA_TEXT ostream &operator << (ostream &out, TextFont::WindingOrder wo);
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EXPCL_PANDA_TEXT istream &operator >> (istream &in, TextFont::WindingOrder &wo);
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#include "textFont.I"
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#endif
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