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