forked from len0rd/rockbox
FS#11185 - Text viewer returns div by 0 if font is missing, renamed or corrupted
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25517 a1c6a512-1295-4272-9138-f99709370657
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2434a92b60
commit
8b2ec40a55
1 changed files with 35 additions and 10 deletions
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@ -1683,7 +1683,7 @@ static void init_header_and_footer(void)
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last_screen_top_ptr = NULL;
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}
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static void change_font(unsigned char *font)
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static bool change_font(unsigned char *font)
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{
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unsigned char buf[MAX_PATH];
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@ -1691,8 +1691,19 @@ static void change_font(unsigned char *font)
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return;
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rb->snprintf(buf, MAX_PATH, "%s/%s.fnt", FONT_DIR, font);
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if (rb->font_load(NULL, buf) < 0)
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rb->splash(HZ/2, "font load failed.");
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if (rb->font_load(NULL, buf) < 0) {
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rb->splash(HZ/2, "Font load failed.");
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return false;
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}
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return true;
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}
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static void revert_font()
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{
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if (rb->strcmp(prefs.font, rb->global_settings->font_file))
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change_font(rb->global_settings->font_file);
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}
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#endif
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@ -1701,6 +1712,9 @@ static bool viewer_init(void)
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#ifdef HAVE_LCD_BITMAP
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/* initialize fonts */
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pf = rb->font_get(FONT_UI);
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if (pf == NULL)
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return false;
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draw_columns = display_columns = LCD_WIDTH;
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#else
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/* REAL fixed pitch :) all chars use up 1 cell */
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@ -2079,7 +2093,7 @@ static bool viewer_save_global_settings(void)
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return true;
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}
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static void viewer_load_settings(void)
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static bool viewer_load_settings(void)
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{
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unsigned char buf[MAX_PATH+2];
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unsigned int fcount;
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@ -2176,12 +2190,18 @@ read_end:
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start_position = file_pos + screen_top_ptr - buffer;
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#ifdef HAVE_LCD_BITMAP
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if (rb->strcmp(prefs.font, rb->global_settings->font_file))
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change_font(prefs.font);
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if (rb->strcmp(prefs.font, rb->global_settings->font_file)) {
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if (!change_font(prefs.font)) {
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revert_font();
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return false;
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}
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}
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init_need_scrollbar();
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init_header_and_footer();
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#endif
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return true;
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}
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static bool copy_bookmark_file(int sfd, int dfd, off_t start, off_t size)
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@ -2627,7 +2647,7 @@ static bool font_setting(void)
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dir = rb->opendir(FONT_DIR);
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if (!dir)
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{
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rb->splash(HZ/2, "font dir does not access.");
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rb->splash(HZ/2, "Font dir is not accessible");
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return false;
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}
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@ -2653,7 +2673,7 @@ static bool font_setting(void)
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dir = rb->opendir(FONT_DIR);
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if (!dir)
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{
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rb->splash(HZ/2, "font dir does not access.");
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rb->splash(HZ/2, "Font dir is not accessible");
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return false;
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}
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@ -2695,9 +2715,13 @@ static bool font_setting(void)
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if (new_font != old_font)
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{
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if (!change_font(prefs.font))
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{
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revert_font();
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return false;
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}
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rb->memset(prefs.font, 0, MAX_PATH);
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rb->snprintf(prefs.font, MAX_PATH, "%s", names[new_font].string);
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change_font(prefs.font);
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}
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return res;
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@ -2852,7 +2876,8 @@ enum plugin_status plugin_start(const void* file)
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return PLUGIN_ERROR;
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}
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viewer_load_settings(); /* load the preferences and bookmark */
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if (!viewer_load_settings()) /* load the preferences and bookmark */
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return PLUGIN_ERROR;
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#if LCD_DEPTH > 1
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rb->lcd_set_backdrop(NULL);
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