mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-26 21:51:08 +00:00
92 lines
3.6 KiB
C
92 lines
3.6 KiB
C
#include <gtk/gtk.h>
|
|
|
|
static GtkWidget *antialias;
|
|
static GtkWidget *subpixel;
|
|
static GtkWidget *hintstyle;
|
|
|
|
static void
|
|
set_font_options (GtkWidget *label)
|
|
{
|
|
cairo_antialias_t aa;
|
|
cairo_subpixel_order_t sp;
|
|
cairo_hint_style_t hs;
|
|
cairo_font_options_t *options;
|
|
|
|
aa = gtk_combo_box_get_active (GTK_COMBO_BOX (antialias));
|
|
sp = gtk_combo_box_get_active (GTK_COMBO_BOX (subpixel));
|
|
hs = gtk_combo_box_get_active (GTK_COMBO_BOX (hintstyle));
|
|
|
|
options = cairo_font_options_create ();
|
|
cairo_font_options_set_antialias (options, aa);
|
|
cairo_font_options_set_subpixel_order (options, sp);
|
|
cairo_font_options_set_hint_style (options, hs);
|
|
|
|
gtk_widget_set_font_options (label, options);
|
|
cairo_font_options_destroy (options);
|
|
|
|
gtk_widget_queue_draw (label);
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
GtkWidget *window, *label, *grid, *demo;
|
|
|
|
gtk_init ();
|
|
|
|
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
|
grid = gtk_grid_new ();
|
|
gtk_grid_set_row_spacing (GTK_GRID (grid), 10);
|
|
gtk_grid_set_column_spacing (GTK_GRID (grid), 10);
|
|
gtk_container_add (GTK_CONTAINER (window), grid);
|
|
label = gtk_label_new ("Default font options");
|
|
gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 2, 1);
|
|
demo = gtk_label_new ("Custom font options");
|
|
gtk_grid_attach (GTK_GRID (grid), demo, 0, 1, 2, 1);
|
|
|
|
antialias = gtk_combo_box_text_new ();
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (antialias), "Default");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (antialias), "None");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (antialias), "Gray");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (antialias), "Subpixel");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (antialias), "Fast");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (antialias), "Good");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (antialias), "Best");
|
|
g_signal_connect_swapped (antialias, "changed", G_CALLBACK (set_font_options), demo);
|
|
label = gtk_label_new ("Antialias");
|
|
gtk_grid_attach (GTK_GRID (grid), label, 0, 2, 1, 1);
|
|
gtk_grid_attach (GTK_GRID (grid), antialias, 1, 2, 1, 1);
|
|
|
|
subpixel = gtk_combo_box_text_new ();
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (subpixel), "Default");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (subpixel), "RGB");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (subpixel), "BGR");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (subpixel), "Vertical RGB");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (subpixel), "Vertical BGR");
|
|
g_signal_connect_swapped (subpixel, "changed", G_CALLBACK (set_font_options), demo);
|
|
label = gtk_label_new ("Subpixel");
|
|
gtk_grid_attach (GTK_GRID (grid), label, 0, 3, 1, 1);
|
|
gtk_grid_attach (GTK_GRID (grid), subpixel, 1, 3, 1, 1);
|
|
|
|
hintstyle = gtk_combo_box_text_new ();
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (hintstyle), "Default");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (hintstyle), "None");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (hintstyle), "Slight");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (hintstyle), "Medium");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (hintstyle), "Full");
|
|
g_signal_connect_swapped (hintstyle, "changed", G_CALLBACK (set_font_options), demo);
|
|
label = gtk_label_new ("Hintstyle");
|
|
gtk_grid_attach (GTK_GRID (grid), label, 0, 4, 1, 1);
|
|
gtk_grid_attach (GTK_GRID (grid), hintstyle, 1, 4, 1, 1);
|
|
|
|
gtk_combo_box_set_active (GTK_COMBO_BOX (antialias), 0);
|
|
gtk_combo_box_set_active (GTK_COMBO_BOX (subpixel), 0);
|
|
gtk_combo_box_set_active (GTK_COMBO_BOX (hintstyle), 0);
|
|
|
|
gtk_widget_show (window);
|
|
|
|
gtk_main ();
|
|
|
|
return 0;
|
|
}
|