struct rtgui_font *fnt_font_create(const char* filename, const char* font_family)
{
int fd = -1;
rt_uint32_t index;
struct rtgui_font *font = RT_NULL;
struct fnt_font *fnt = RT_NULL;
struct fnt_header *fnt_header;
fd = open(filename, O_RDONLY, 0);
if (fd < 0)
{
goto __exit;
}
font = (struct rtgui_font*) rtgui_malloc (sizeof(struct rtgui_font));
if (font == RT_NULL) goto __exit;
fnt = (struct fnt_font*) rtgui_malloc (sizeof(struct fnt_font));
if (fnt == RT_NULL) goto __exit;
rt_memset(fnt, 0x00, sizeof(struct fnt_font));
font->data = (void*)fnt;
fnt_header = &(fnt->header);
if (readstr(fd, fnt_header->version, 4) != 4) goto __exit;
if (!readshort(fd, &fnt_header->max_width)) goto __exit;
if (!readshort(fd, &fnt_header->height)) goto __exit;
if (!readshort(fd, &fnt_header->ascent)) goto __exit;
if (!readshort(fd, &fnt_header->depth)) goto __exit;
if (!readlong(fd, &fnt_header->first_char)) goto __exit;
if (!readlong(fd, &fnt_header->default_char)) goto __exit;
if (!readlong(fd, &fnt_header->size)) goto __exit;
if (!readlong(fd, &fnt_header->nbits)) goto __exit;
if (!readlong(fd, &fnt_header->noffset)) goto __exit;
if (!readlong(fd, &fnt_header->nwidth)) goto __exit;
fnt->bits = (MWIMAGEBITS*) rtgui_malloc (fnt_header->nbits * sizeof(MWIMAGEBITS));
if (fnt->bits == RT_NULL) goto __exit;
/* read data */
if (readstr(fd, &(fnt->bits[0]), fnt_header->nbits) != fnt_header->nbits) goto __exit;
/* check boundary */
if (fnt_header->nbits & 0x01)
{
rt_uint16_t pad;
readshort(fd, &pad);
pad = pad; /* skip warning */
}
if (fnt_header->noffset != 0)
{
fnt->offset = rtgui_malloc (fnt_header->noffset * sizeof(rt_uint32_t));
if (fnt->offset == RT_NULL) goto __exit;
for (index = 0; index < fnt_header->noffset; index ++)
{
if (!readshort(fd, &(fnt->offset[index]))) goto __exit;
}
}
if (fnt_header->nwidth != 0)
{
fnt->width = rtgui_malloc (fnt_header->nwidth * sizeof(rt_uint8_t));
if (fnt->width == RT_NULL) goto __exit;
for (index = 0; index < fnt_header->nwidth; index ++)
{
if (!readbyte(fd, &(fnt->width[index]))) goto __exit;
}
}
close(fd);
font->family = rt_strdup(font_family);
font->height = fnt->header.height;
font->refer_count = 0;
font->engine = &fnt_font_engine;
/* add to system */
rtgui_font_system_add_font(font);
return font;
__exit:
if (fd >= 0) close(fd);
if (fnt != RT_NULL)
{
if (fnt->bits != RT_NULL) rtgui_free(fnt->bits);
if (fnt->offset != RT_NULL) rtgui_free(fnt->offset);
if (fnt->width != RT_NULL) rtgui_free(fnt->width);
rtgui_free(fnt);
}
if (font != RT_NULL)
{
rtgui_free(font);
}
return RT_NULL;
}
rtgui_font_t* rtgui_freetype_font_create(const char* filename, int bold, int italic, rt_size_t size)
{
FT_Error err = 0;
struct rtgui_font* font;
font = (struct rtgui_font*) rtgui_malloc (sizeof(struct rtgui_font));
if (font != RT_NULL)
{
struct rtgui_freetype_font* freetype;
freetype = (struct rtgui_freetype_font*) rtgui_malloc (sizeof(struct rtgui_freetype_font));
if (freetype == RT_NULL)
{
rt_free(font);
font = RT_NULL;
}
else
{
err = FT_Init_FreeType(&freetype->library);
if((err = FT_New_Face(freetype->library, filename, 0, &freetype->face)))
{
FT_Done_FreeType(freetype->library);
rt_free(font);
font = RT_NULL;
}
else
{
err = FT_Select_Charmap(freetype->face, ft_encoding_unicode);
if(err)
{
err = FT_Select_Charmap(freetype->face, ft_encoding_latin_1 );
}
err = FT_Set_Pixel_Sizes(freetype->face, 0, size);
if (err != 0)
{
rtgui_free(font);
font = RT_NULL;
FT_Done_FreeType(freetype->library);
rtgui_free(freetype);
return RT_NULL;
}
freetype->bold = bold;
freetype->italic = italic;
rt_kprintf("fonfile:%s\n", filename);
rt_kprintf("font family_name:%s\n", freetype->face->family_name);
rt_kprintf("font style_name:%s\n", freetype->face->style_name);
/* set user data */
font->data = freetype;
font->family = rt_strdup(freetype->face->family_name);
font->height = (rt_uint16_t)size;
font->refer_count = 0;
font->engine = &freetype_font_engine;
/* add to system */
rtgui_font_system_add_font(font);
}
}
}
return font;
}