/*
* Function : libaroma_font_release
* Return Value: byte
* Descriptions: release font instance
*/
byte libaroma_font_release() {
_libaroma_font_lock(1);
if (_libaroma_font_instance == NULL) {
ALOGE("libaroma_font_release _libaroma_font_instance=NULL");
_libaroma_font_lock(0);
__libaroma_text_locker_init(1);
return 0;
}
/* release harfbuzz callback functions */
#ifndef LIBAROMA_CONFIG_TEXT_NOHARFBUZZ
_libaroma_font_hb_free_functions();
#endif
/* release font face */
int i;
for (i = 0; i < _LIBAROMA_FONT_MAX_FACE; i++) {
libaroma_font_free(i);
}
if (FT_Done_FreeType(_libaroma_font_instance) == 0) {
_libaroma_font_instance = NULL;
_libaroma_font_lock(0);
__libaroma_text_locker_init(1);
ALOGV("Fonts Resource Released");
return 1;
}
ALOGE("libaroma_font_release FT_Done_FreeType Error");
_libaroma_font_lock(0);
__libaroma_text_locker_init(1);
return 0;
} /* End of libaroma_font_release */
/*
* Function : libaroma_font
* Return Value: byte
* Descriptions: load new font
*/
byte libaroma_font(
byte fontid,
LIBAROMA_STREAMP stream) {
if (!stream) {
ALOGW("libaroma_font stream not found");
return 0;
}
if (fontid >= _LIBAROMA_FONT_MAX_FACE) {
ALOGW("libaroma_font fontid(%i)>=%i",
fontid, _LIBAROMA_FONT_MAX_FACE);
return 0;
}
/* thread safe */
_libaroma_font_lock(1);
/* load face */
FT_Face tmp_face;
if (FT_New_Memory_Face(_libaroma_font_instance,
stream->data,
stream->size,
0,
&tmp_face) == 0) {
/* set default face size */
int def_size = libaroma_font_size_px(2);
if (FT_Set_Pixel_Sizes(tmp_face, 0, def_size) == 0) {
/* save it */
libaroma_font_free(fontid);
_libaroma_font_faces[fontid].size = def_size;
_libaroma_font_faces[fontid].id = fontid;
_libaroma_font_faces[fontid].face = tmp_face;
_libaroma_font_faces[fontid].stream = stream;
_libaroma_font_faces[fontid].cache =
libaroma_iarray(libaroma_font_freecache_cb);
/* force ucs2 */
libaroma_font_set_ucs2(_libaroma_font_faces[fontid].face);
/* init harfbuzz */
_libaroma_font_hb_init(fontid);
/* unlock */
_libaroma_font_lock(0);
ALOGV("font loaded %ibytes (%s)", stream->size, stream->uri);
return 1;
}
else {
ALOGW("libaroma_font libaroma_font_set_size error");
FT_Done_Face(tmp_face);
}
}
else {
ALOGW("libaroma_font FT_New_Memory_Face Error");
libaroma_stream_close(stream);
}
_libaroma_font_lock(0);
return 0;
} /* End of libaroma_font */
