AllegroGL 0.4.4

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fontconv.c File Reference

Allegro FONT conversion routines. More...

`#include <math.h>`
`#include <string.h>`
`#include <stdio.h>`
`#include <allegro.h>`
`#include <allegro/internal/aintern.h>`
`#include "alleggl.h"`
`#include "allglint.h"`
`#include <GL/glu.h>`

Go to the source code of this file.

## Macros
#define | PREFIX_I "agl-font INFO: "
#define | PREFIX_W "agl-font WARNING: "
#define | PREFIX_E "agl-font ERROR: "
#define | FONT_CHARACTER_SPACING 2
#define | MIN_TEXTURE_SIZE 2
#define | NUM_TEXTURE_SIZE 13

## Typedefs
typedef struct texture_size | texture_size

## Functions
static int | agl_get_font_height (AL_CONST FONT *f)
static int | agl_char_length (const FONT *f, int ch)
static int | agl_text_length (const FONT *f, const char *str)
static int | agl_get_font_ranges (FONT *f)
static int | agl_get_font_range_begin (FONT *f, int range)
static int | agl_get_font_range_end (FONT *f, int range)
static FONT * | agl_extract_font_range (FONT *f, int start, int end)
static FONT * | agl_merge_fonts (FONT *f1, FONT *f2)
static void | aglf_convert_allegro_font_to_bitmap (FONT_AGL_DATA *dest, FONT *f, void *src, int *height)
static void | aglf_convert_allegro_font_to_texture (FONT_AGL_DATA **dest, FONT *f, void *src, int *height, float scale, GLint format)
static GLuint | aglf_upload_texture (BITMAP *bmp, GLint format, int has_alpha)
static int | aglf_check_texture (BITMAP *bmp, GLint format, int has_alpha)
static BITMAP * | look_for_texture (int beg, int end, AGL_GLYPH *glyphs, int max_w, int max_h, int total_area, GLint format, int has_alpha)
static int | iroundf (float v)
static float | agl_char_length_fractional (const FONT *f, int ch)
static int | create_textured_font_call_lists (AGL_GLYPH *coords, int max, BITMAP *bmp, float scale, int *height)
static FONT_AGL_DATA * | copy_glyph_range (FONT_AGL_DATA *fad, int start, int end, int *height)
FONT * | allegro_gl_convert_allegro_font (FONT *f, int type, float scale)
| Equivalent to: More...
FONT * | allegro_gl_convert_allegro_font_ex (FONT *f, int type, float scale, GLint format)
| Converts a regular Allegro FONT to the AGL format for 3D display. More...
static int | sort_glyphs (const void *c1, const void *c2)
static int | unsort_glyphs (const void *c1, const void *c2)
static int | sort_textures (const void *c1, const void *c2)
static int | aglf_sort_out_glyphs (BITMAP *bmp, AGL_GLYPH *glyphs, const int beg, const int end)
static int | split_font (FONT *f, void *source, void **dest1, void **dest2)
static void | destroy_split_font (FONT *f, union mixed_ptr range1, union mixed_ptr range2)
static int | do_crop_font_range (FONT *f, AGL_GLYPH *glyphs, int beg, int end)
static int | crop_font_range (FONT *f, void *src, int beg, int end, AGL_GLYPH *glyphs, int *net_area, int *gross_area, int *max_w, int *max_h)
static int | draw_glyphs (BITMAP *bmp, FONT *f, GLint format, int beg, int end, AGL_GLYPH *glyphs)

## Variables
FONT_VTABLE | _agl_font_vtable
FONT_VTABLE * | font_vtable_agl = &_agl_font_vtable

## Detailed Description

Allegro FONT conversion routines.

Notes: - Depends on the Allegro's FONT structure remaining intact. Bugs: - Bitmapped font support is flakey at best.

Definition in file fontconv.c.

## Variable Documentation

FONT_VTABLE _agl_font_vtable

Initial value:
= {
agl_get_font_height,
agl_char_length,
agl_text_length,
NULL,
NULL,
allegro_gl_destroy_font,
agl_get_font_ranges,
agl_get_font_range_begin,
agl_get_font_range_end,
agl_extract_font_range,
agl_merge_fonts,
}
allegro_gl_destroy_font
void allegro_gl_destroy_font(FONT *f)
void allegro_gl_destroy_font(FONT *usefont)
Definition: aglf.c:573

Definition at line 64 of file fontconv.c.