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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
#include "../../gfx.h"
#if GFX_USE_GDISP && GDISP_NEED_TEXT
#include "mcufont/mcufont.h"
#define FONT_FLAG_DYNAMIC 0x80 // Custom flag to indicate dynamically allocated font
#define FONT_FLAG_UNLISTED 0x40 // Custom flag to indicate font is not currently listed
static const struct mf_font_list_s *fontList;
/**
* Match a pattern against the font name.
*/
static bool_t matchfont(const char *pattern, const char *name) {
while(1) {
switch (pattern[0]) {
case '*':
if (name[0] == 0)
return pattern[1] == 0;
if (pattern[1] == name[0])
pattern++;
else
name++;
break;
case 0:
return name[0] == 0;
default:
if (name[0] != pattern[0])
return FALSE;
pattern++;
name++;
break;
}
}
}
font_t gdispOpenFont(const char *name) {
const struct mf_font_list_s *fp;
if (!fontList)
fontList = mf_get_font_list();
// Try the long names first
for(fp = fontList; fp; fp = fp->next) {
if (matchfont(name, fp->font->full_name))
return fp->font;
}
// Try the short names if no long names match
for(fp = fontList; fp; fp = fp->next) {
if (matchfont(name, fp->font->short_name))
return fp->font;
}
/* Return default builtin font.. better than nothing. */
return mf_get_font_list()->font;
}
void gdispCloseFont(font_t font) {
if ((font->flags & (FONT_FLAG_DYNAMIC|FONT_FLAG_UNLISTED)) == (FONT_FLAG_DYNAMIC|FONT_FLAG_UNLISTED)) {
/* Make sure that no-one can successfully use font after closing */
((struct mf_font_s *)font)->render_character = 0;
/* Release the allocated memory */
gfxFree((void *)font);
}
}
font_t gdispScaleFont(font_t font, uint8_t scale_x, uint8_t scale_y)
{
struct mf_scaledfont_s *newfont;
if (!(newfont = gfxAlloc(sizeof(struct mf_scaledfont_s))))
return 0;
mf_scale_font(newfont, font, scale_x, scale_y);
((struct mf_font_s *)newfont)->flags |= FONT_FLAG_DYNAMIC|FONT_FLAG_UNLISTED;
return (font_t)newfont;
}
const char *gdispGetFontName(font_t font) {
return font->short_name;
}
bool_t gdispAddFont(font_t font) {
struct mf_font_list_s *hdr;
if ((font->flags & (FONT_FLAG_DYNAMIC|FONT_FLAG_UNLISTED)) != (FONT_FLAG_DYNAMIC|FONT_FLAG_UNLISTED))
return FALSE;
if (!(hdr = gfxAlloc(sizeof(struct mf_font_list_s))))
return FALSE;
if (!fontList)
fontList = mf_get_font_list();
hdr->font = (const struct mf_font_s *)font;
hdr->next = fontList;
((struct mf_font_s *)font)->flags &= ~FONT_FLAG_UNLISTED;
fontList = hdr;
return TRUE;
}
#endif /* GFX_USE_GDISP && GDISP_NEED_TEXT */
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