diff options
Diffstat (limited to 'tests/curve.c')
| -rw-r--r-- | tests/curve.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/tests/curve.c b/tests/curve.c new file mode 100644 index 0000000000..45b08c89ab --- /dev/null +++ b/tests/curve.c @@ -0,0 +1,184 @@ +#include <gtk/gtk.h> +#include "curve-editor.h" + + +static GskPath * +make_circle_path (void) +{ + float w = 200; + float h = 200; + float cx = w / 2; + float cy = h / 2; + float pad = 20; + float r = (w - 2 * pad) / 2; + float k = 0.55228; + float kr = k * r; + GskPathBuilder *builder; + + builder = gsk_path_builder_new (); + + gsk_path_builder_move_to (builder, cx, pad); + gsk_path_builder_curve_to (builder, cx + kr, pad, + w - pad, cy - kr, + w - pad, cy); + gsk_path_builder_curve_to (builder, w - pad, cy + kr, + cx + kr, h - pad, + cx, h - pad); + gsk_path_builder_curve_to (builder, cx - kr, h - pad, + pad, cy + kr, + pad, cy); + gsk_path_builder_curve_to (builder, pad, cy - kr, + cx - kr, pad, + cx, pad); + gsk_path_builder_close (builder); + + return gsk_path_builder_free_to_path (builder); +} + +static void +edit_changed (GtkToggleButton *button, + GParamSpec *pspec, + CurveEditor *editor) +{ + curve_editor_set_edit (editor, gtk_toggle_button_get_active (button)); +} + +static void +reset (GtkButton *button, + CurveEditor *editor) +{ + GskPath *path; + + path = make_circle_path (); + curve_editor_set_path (editor, path); + gsk_path_unref (path); +} + +static void +width_changed (GtkRange *range, + CurveEditor *editor) +{ + GskStroke *stroke; + + stroke = gsk_stroke_copy (curve_editor_get_stroke (editor)); + gsk_stroke_set_line_width (stroke, gtk_range_get_value (range)); + curve_editor_set_stroke (editor, stroke); + gsk_stroke_free (stroke); +} + +static void +cap_changed (GtkDropDown *combo, + GParamSpec *pspec, + CurveEditor *editor) +{ + GskStroke *stroke; + + stroke = gsk_stroke_copy (curve_editor_get_stroke (editor)); + gsk_stroke_set_line_cap (stroke, (GskLineCap)gtk_drop_down_get_selected (combo)); + curve_editor_set_stroke (editor, stroke); + gsk_stroke_free (stroke); +} + +static void +join_changed (GtkDropDown *combo, + GParamSpec *pspec, + CurveEditor *editor) +{ + GskStroke *stroke; + + stroke = gsk_stroke_copy (curve_editor_get_stroke (editor)); + gsk_stroke_set_line_join (stroke, (GskLineJoin)gtk_drop_down_get_selected (combo)); + curve_editor_set_stroke (editor, stroke); + gsk_stroke_free (stroke); +} + +static void +color_changed (GtkColorChooser *chooser, + CurveEditor *editor) +{ + GdkRGBA color; + + gtk_color_chooser_get_rgba (chooser, &color); + curve_editor_set_color (editor, &color); +} + +int +main (int argc, char *argv[]) +{ + GtkWindow *window; + GtkWidget *demo; + GtkWidget *edit_toggle; + GtkWidget *reset_button; + GtkWidget *titlebar; + GtkWidget *scale; + GtkWidget *stroke_button; + GtkWidget *popover; + GtkWidget *grid; + GtkWidget *cap_combo; + GtkWidget *join_combo; + GtkWidget *color_button; + + gtk_init (); + + window = GTK_WINDOW (gtk_window_new ()); + gtk_window_set_default_size (GTK_WINDOW (window), 250, 250); + + edit_toggle = gtk_toggle_button_new (); + gtk_button_set_icon_name (GTK_BUTTON (edit_toggle), "document-edit-symbolic"); + + reset_button = gtk_button_new_from_icon_name ("edit-undo-symbolic"); + + stroke_button = gtk_menu_button_new (); + gtk_menu_button_set_icon_name (GTK_MENU_BUTTON (stroke_button), "open-menu-symbolic"); + popover = gtk_popover_new (); + gtk_menu_button_set_popover (GTK_MENU_BUTTON (stroke_button), popover); + + grid = gtk_grid_new (); + gtk_grid_set_row_spacing (GTK_GRID (grid), 6); + gtk_grid_set_column_spacing (GTK_GRID (grid), 6); + gtk_popover_set_child (GTK_POPOVER (popover), grid); + + gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Line Width:"), 0, 0, 1, 1); + scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 1, 10, 1); + gtk_widget_set_size_request (scale, 60, -1); + gtk_grid_attach (GTK_GRID (grid), scale, 1, 0, 1, 1); + + gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Line cap:"), 0, 1, 1, 1); + cap_combo = gtk_drop_down_new_from_strings ((const char *[]){"Butt", "Round", "Square", NULL}); + gtk_grid_attach (GTK_GRID (grid), cap_combo, 1, 1, 1, 1); + + gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Line join:"), 0, 2, 1, 1); + join_combo = gtk_drop_down_new_from_strings ((const char *[]){"Miter", "Round", "Bevel", NULL}); + gtk_grid_attach (GTK_GRID (grid), join_combo, 1, 2, 1, 1); + + gtk_grid_attach (GTK_GRID (grid), gtk_label_new ("Stroke color:"), 0, 3, 1, 1); + color_button = gtk_color_button_new_with_rgba (&(GdkRGBA){ 0., 0., 0., 1.}); + gtk_grid_attach (GTK_GRID (grid), color_button, 1, 3, 1, 1); + + titlebar = gtk_header_bar_new (); + gtk_header_bar_pack_start (GTK_HEADER_BAR (titlebar), edit_toggle); + gtk_header_bar_pack_start (GTK_HEADER_BAR (titlebar), reset_button); + gtk_header_bar_pack_start (GTK_HEADER_BAR (titlebar), stroke_button); + + gtk_window_set_titlebar (GTK_WINDOW (window), titlebar); + + demo = curve_editor_new (); + + g_signal_connect (edit_toggle, "notify::active", G_CALLBACK (edit_changed), demo); + g_signal_connect (reset_button, "clicked", G_CALLBACK (reset), demo); + g_signal_connect (scale, "value-changed", G_CALLBACK (width_changed), demo); + g_signal_connect (cap_combo, "notify::selected", G_CALLBACK (cap_changed), demo); + g_signal_connect (join_combo, "notify::selected", G_CALLBACK (join_changed), demo); + g_signal_connect (color_button, "color-set", G_CALLBACK (color_changed), demo); + + reset (NULL, CURVE_EDITOR (demo)); + + gtk_window_set_child (window, demo); + + gtk_window_present (window); + + while (g_list_model_get_n_items (gtk_window_get_toplevels ()) > 0) + g_main_context_iteration (NULL, TRUE); + + return 0; +} |