fontlib.h

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// fontlib.h    -- Thatcher Ulrich <tu@tulrich.com> 2003

// This source code has been donated to the Public Domain.  Do
// whatever you want with it.

// Internal interfaces to fontlib.


#ifndef GNASH_FONTLIB_H
#define GNASH_FONTLIB_H


#include "container.h"
#include "types.h"
class tu_file;

namespace gnash {

        class movie_def_impl;
        class texture_glyph;

        namespace fontlib
        {
                // For adding fonts.
                void    add_font(font* f);

                // For drawing a textured glyph w/ current render transforms.
                void    draw_glyph(const matrix& m, const texture_glyph& g, rgba color, int nominal_glyph_height);

                // Return the pixel height of text, such that the
                // texture glyphs are sampled 1-to-1 texels-to-pixels.
                // I.e. the height of the glyph box, in texels.
                float   get_texture_glyph_max_height(const font* f);

                // Builds cached glyph textures from shape info.
                void    generate_font_bitmaps(const std::vector<font*>& fonts, movie_definition* owner);
                
                // Save cached font data, including glyph textures, to a
                // stream.
                void    output_cached_data(
                        tu_file* out,
                        const std::vector<font*>& fonts,
                        movie_definition* owner,
                        const cache_options& options);
                
                // Load a stream containing previously-saved cachded font
                // data, including glyph texture info.
                void    input_cached_data(tu_file* in, const std::vector<font*>& fonts, movie_definition* owner);
                
        }       // end namespace fontlib
}       // end namespace gnash



#endif // GNASH_FONTLIB_H

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