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(MaterialUI) DPI changes should now be applied on-the-fly

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This commit is contained in:
twinaphex 2015-11-15 04:11:31 +01:00
parent 74fc2ecb37
commit 2ca1b01fcc
2 changed files with 73 additions and 59 deletions
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130
menu/drivers/materialui.c
View File

@ -409,6 +409,74 @@ end:
string_list_free(list);
}
static void mui_font(menu_handle_t *menu)
{
int font_size;
char mediapath[PATH_MAX_LENGTH], fontpath[PATH_MAX_LENGTH];
settings_t *settings = config_get_ptr();
menu_display_ctl(MENU_DISPLAY_CTL_FONT_SIZE, &font_size);
fill_pathname_join(mediapath, settings->assets_directory, "glui", sizeof(mediapath));
fill_pathname_join(fontpath, mediapath, "Roboto-Regular.ttf", sizeof(fontpath));
if (!menu_display_init_main_font(menu, fontpath, font_size))
RARCH_WARN("Failed to load font.");
}
static bool mui_layout(menu_handle_t *menu, mui_handle_t *mui)
{
void *fb_buf;
static float old_scale_factor = 0.0f;
float scale_factor;
int new_font_size;
unsigned width, height, new_header_height;
video_driver_get_size(&width, &height);
/* Mobiles platforms may have very small display metrics coupled to a high
resolution, so we should be dpi aware to ensure the entries hitboxes are
big enough. On desktops, we just care about readability, with every widget
size proportional to the display width. */
menu_display_ctl(MENU_DISPLAY_CTL_GET_DPI, &scale_factor);
if (old_scale_factor == scale_factor)
return false;
old_scale_factor = scale_factor;
new_header_height = scale_factor / 3;
new_font_size = scale_factor / 9;
mui->shadow_height = scale_factor / 36;
mui->scrollbar_width = scale_factor / 36;
mui->tabs_height = scale_factor / 3;
mui->line_height = scale_factor / 3;
mui->margin = scale_factor / 9;
mui->icon_size = scale_factor / 3;
menu_display_ctl(MENU_DISPLAY_CTL_SET_HEADER_HEIGHT, &new_header_height);
menu_display_ctl(MENU_DISPLAY_CTL_SET_FONT_SIZE, &new_font_size);
/* we assume the average glyph aspect ratio is close to 3:4 */
mui->glyph_width = new_font_size * 3/4;
mui_font(menu);
menu_display_ctl(MENU_DISPLAY_CTL_FONT_BUF, &fb_buf);
if (fb_buf) /* calculate a more realistic ticker_limit */
{
driver_t *driver = driver_get_ptr();
unsigned m_width = driver->font_osd_driver->get_message_width(fb_buf, "a", 1, 1);
if (m_width)
mui->glyph_width = m_width;
}
return true;
}
static void mui_render(void)
{
float delta_time, dt;
@ -757,6 +825,9 @@ static void mui_frame(void)
title[0] = '\0';
title_buf[0] = '\0';
if (mui_layout(menu, mui))
return;
video_driver_get_size(&width, &height);
menu_display_ctl(MENU_DISPLAY_CTL_SET_VIEWPORT, NULL);
@ -889,6 +960,7 @@ static void mui_frame(void)
mui_draw_cursor(mui, &white_bg[0], mouse_x, mouse_y, width, height);
}
menu_display_restore_clear_color();
menu_display_ctl(MENU_DISPLAY_CTL_UNSET_VIEWPORT, NULL);
}
@ -906,65 +978,7 @@ static void mui_allocate_white_texture(mui_handle_t *mui)
TEXTURE_FILTER_NEAREST);
}
static void mui_font(menu_handle_t *menu)
{
int font_size;
char mediapath[PATH_MAX_LENGTH], fontpath[PATH_MAX_LENGTH];
settings_t *settings = config_get_ptr();
menu_display_ctl(MENU_DISPLAY_CTL_FONT_SIZE, &font_size);
fill_pathname_join(mediapath, settings->assets_directory, "glui", sizeof(mediapath));
fill_pathname_join(fontpath, mediapath, "Roboto-Regular.ttf", sizeof(fontpath));
if (!menu_display_init_main_font(menu, fontpath, font_size))
RARCH_WARN("Failed to load font.");
}
static void mui_layout(menu_handle_t *menu, mui_handle_t *mui)
{
void *fb_buf;
float scale_factor;
int new_font_size;
unsigned width, height, new_header_height;
video_driver_get_size(&width, &height);
/* Mobiles platforms may have very small display metrics coupled to a high
resolution, so we should be dpi aware to ensure the entries hitboxes are
big enough. On desktops, we just care about readability, with every widget
size proportional to the display width. */
menu_display_ctl(MENU_DISPLAY_CTL_GET_DPI, &scale_factor);
new_header_height = scale_factor / 3;
new_font_size = scale_factor / 9;
mui->shadow_height = scale_factor / 36;
mui->scrollbar_width = scale_factor / 36;
mui->tabs_height = scale_factor / 3;
mui->line_height = scale_factor / 3;
mui->margin = scale_factor / 9;
mui->icon_size = scale_factor / 3;
menu_display_ctl(MENU_DISPLAY_CTL_SET_HEADER_HEIGHT, &new_header_height);
menu_display_ctl(MENU_DISPLAY_CTL_SET_FONT_SIZE, &new_font_size);
/* we assume the average glyph aspect ratio is close to 3:4 */
mui->glyph_width = new_font_size * 3/4;
mui_font(menu);
menu_display_ctl(MENU_DISPLAY_CTL_FONT_BUF, &fb_buf);
if (fb_buf) /* calculate a more realistic ticker_limit */
{
driver_t *driver = driver_get_ptr();
unsigned m_width = driver->font_osd_driver->get_message_width(fb_buf, "a", 1, 1);
if (m_width)
mui->glyph_width = m_width;
}
}
static void *mui_init(void)
{

2
menu/menu_display.c
View File

@ -161,7 +161,7 @@ bool menu_display_font_flush_block(void *data, const void *font_data)
(const struct font_renderer*)font_data;
menu_handle_t *menu = (menu_handle_t*)data;
menu_display_t *disp = menu_display_get_ptr();
if (!font_driver || !font_driver->flush)
if (!font_driver || !font_driver->flush || !disp || !disp->font.buf)
return false;
font_driver->flush(disp->font.buf);