Font.c

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#include <stdio.h>
#include <string.h>

#include <grass/gis.h>
#include "driver.h"
#include "driverlib.h"

static int font_type = GFONT_STROKE;

static void stroke_set(const char *filename)
{
    if (font_init(filename) == 0)
        font_type = GFONT_STROKE;
}

static void freetype_set(const char *filename, int index)
{
    if (font_init_freetype(filename, index) == 0)
        font_type = GFONT_FREETYPE;
}

void COM_Font_get(const char *name)
{
    if (G_is_absolute_path(name)) {
        if (!font_exists(name))
            return;

        freetype_set(name, 0);
    }
    else {
        int i;

        /* check if freetype font is available in freetypecap */
        for (i = 0; ftcap[i].name; i++)
            if (strcmp(name, ftcap[i].name) == 0) {
                switch (ftcap[i].type) {
                case GFONT_FREETYPE:
                    freetype_set(ftcap[i].path, ftcap[i].index);
                    font_init_charset(ftcap[i].encoding);
                    break;
                case GFONT_STROKE:
                    stroke_set(ftcap[i].name);
                    break;
                }
                return;
            }

        stroke_set("romans");
    }
}

void COM_Font_init_charset(const char *charset)
{
    font_init_charset(charset);
}

int font_is_freetype(void)
{
    return font_type == GFONT_FREETYPE;
}

static void font_list(char ***list, int *count, int verbose)
{
    char **fonts;
    int num_fonts;
    int i;

    for (i = 0; ftcap[i].name; i++) ;

    num_fonts = i;

    fonts = G_malloc(num_fonts * sizeof(const char *));

    for (i = 0; i < num_fonts; i++) {
        struct GFONT_CAP *p = &ftcap[i];

        if (verbose) {
            char buf[GPATH_MAX];

            sprintf(buf, "%s|%s|%d|%s|%d|%s|",
                    p->name, p->longname, p->type,
                    p->path, p->index, p->encoding);

            fonts[i] = G_store(buf);
        }
        else
            fonts[i] = G_store(p->name);
    }

    *list = fonts;
    *count = num_fonts;
}

void COM_Font_list(char ***list, int *count)
{
    font_list(list, count, 0);
}

void COM_Font_info(char ***list, int *count)
{
    font_list(list, count, 1);
}

void free_font_list(char **fonts, int count)
{
    int i;

    for (i = 0; i < count; i++)
        G_free(fonts[i]);
    G_free(fonts);
}