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support for unicode/utf8 in libmenu (geexbox patch #545)
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@23245 b3059339-0415-0410-9bf9-f77b7e298cf2
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@ -70,6 +70,8 @@ extern int WinID;
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#ifdef HAVE_MENU
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extern int menu_startup;
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extern int menu_utf8;
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extern int menu_unicode;
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#endif
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#ifdef HAVE_ZR
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@ -291,6 +293,8 @@ m_option_t mplayer_opts[]={
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{"menu-root", &menu_root, CONF_TYPE_STRING, CONF_GLOBAL, 0, 0, NULL},
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{"menu-cfg", &menu_cfg, CONF_TYPE_STRING, CONF_GLOBAL, 0, 0, NULL},
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{"menu-startup", &menu_startup, CONF_TYPE_FLAG, CONF_GLOBAL, 0, 1, NULL},
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{"menu-utf8", &menu_utf8, CONF_TYPE_FLAG, 0, 0, 1, NULL},
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{"menu-unicode", &menu_unicode, CONF_TYPE_FLAG, 0, 0, 1, NULL},
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#else
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{"menu", "OSD menu support was not compiled in.\n", CONF_TYPE_PRINT,0, 0, 0, NULL},
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#endif
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@ -296,12 +296,35 @@ static inline int get_height(int c,int h){
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return h;
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}
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#ifdef HAVE_FREETYPE
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#define render_txt(t) { unsigned char* p = t; while(*p) render_one_glyph(vo_font,*p++); }
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#else
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#define render_txt(t)
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#endif
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int menu_utf8 = 0;
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int menu_unicode = 0;
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static int get_next_char(char **txt)
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{
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int c;
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c = (unsigned char)*(*txt)++;
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if (c >= 0x80) {
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if (menu_utf8){
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if ((c & 0xe0) == 0xc0) /* 2 bytes U+00080..U+0007FF*/
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c = (c & 0x1f)<<6 | ((unsigned char)*(*txt)++ & 0x3f);
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else if((c & 0xf0) == 0xe0){ /* 3 bytes U+00800..U+00FFFF*/
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c = (((c & 0x0f)<<6) | ((unsigned char)*(*txt)++ & 0x3f))<<6;
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c |= ((unsigned char)*(*txt)++ & 0x3f);
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}
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} else if (menu_unicode)
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c = (c<<8) + (unsigned char)*(*txt)++;
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}
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if (!c) c++; // avoid UCS 0
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return c;
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}
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static void render_txt(char *txt)
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{
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while (*txt) {
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int c = get_next_char(&txt);
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render_one_glyph(vo_font, c);
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}
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}
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void menu_draw_text(mp_image_t* mpi,char* txt, int x, int y) {
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draw_alpha_f draw_alpha = get_draw_alpha(mpi->imgfmt);
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@ -315,7 +338,7 @@ void menu_draw_text(mp_image_t* mpi,char* txt, int x, int y) {
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render_txt(txt);
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while (*txt) {
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unsigned char c=*txt++;
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int c=get_next_char(&txt);
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if ((font=vo_font->font[c])>=0 && (x + vo_font->width[c] <= mpi->w) && (y + vo_font->pic_a[font]->h <= mpi->h))
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draw_alpha(vo_font->width[c], vo_font->pic_a[font]->h,
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vo_font->pic_b[font]->bmp+vo_font->start[c],
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@ -405,7 +428,7 @@ void menu_draw_text_full(mp_image_t* mpi,char* txt,
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// Jump some the beginnig text if needed
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while(sy < ymin && *txt) {
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unsigned char c=*txt++;
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int c=get_next_char(&txt);
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if(c == '\n' || (warp && ll + vo_font->width[c] > w)) {
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ll = 0;
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sy += vo_font->height + vspace;
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@ -479,7 +502,7 @@ void menu_draw_text_full(mp_image_t* mpi,char* txt,
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}
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while(sx < xmax && txt != line_end) {
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unsigned char c = *txt++;
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int c=get_next_char(&txt);
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font = vo_font->font[c];
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if(font >= 0) {
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int cs = (vo_font->pic_a[font]->h - vo_font->height) / 2;
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@ -507,7 +530,7 @@ int menu_text_length(char* txt) {
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int l = 0;
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render_txt(txt);
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while (*txt) {
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unsigned char c=*txt++;
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int c=get_next_char(&txt);
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l += vo_font->width[c]+vo_font->charspace;
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}
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return l - vo_font->charspace;
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@ -519,7 +542,7 @@ void menu_text_size(char* txt,int max_width, int vspace, int warp, int* _w, int*
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render_txt(txt);
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while (*txt) {
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unsigned char c=*txt++;
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int c=get_next_char(&txt);
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if(c == '\n' || (warp && i + vo_font->width[c] >= max_width)) {
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if(*txt)
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l++;
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@ -539,7 +562,7 @@ int menu_text_num_lines(char* txt, int max_width) {
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int l = 1, i = 0;
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render_txt(txt);
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while (*txt) {
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unsigned char c=*txt++;
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int c=get_next_char(&txt);
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if(c == '\n' || i + vo_font->width[c] > max_width) {
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l++;
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i = 0;
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@ -554,7 +577,7 @@ char* menu_text_get_next_line(char* txt, int max_width) {
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int i = 0;
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render_txt(txt);
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while (*txt) {
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unsigned char c=*txt;
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int c=get_next_char(&txt);
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if(c == '\n') {
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txt++;
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break;
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