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3161e92818
It's valid C to declare a function omitting it prototype, but it seems to be a good practise to always declare a function with its corresponding prototype.
137 lines
2.6 KiB
C
137 lines
2.6 KiB
C
#include <config.h>
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#include <glib.h>
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#include <gmodule.h>
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#include <stdlib.h>
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#include <clutter/clutter.h>
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#include <cogl/cogl.h>
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typedef void (*PaintFunc) (void);
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static void
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test_paint_line (void)
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{
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cogl_path_line (-50, -25, 50, 25);
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}
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static void
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test_paint_rect (void)
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{
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cogl_path_rectangle (-50, -25, 50, 25);
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}
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static void
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test_paint_rndrect(void)
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{
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cogl_path_round_rectangle (-50, -25, 50, 25, 10, 5);
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}
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static void
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test_paint_polyl (void)
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{
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gfloat poly_coords[] = {
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-50, -50,
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+50, -30,
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+30, +30,
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-30, +40
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};
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cogl_path_polyline (poly_coords, 4);
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}
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static void
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test_paint_polyg (void)
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{
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gfloat poly_coords[] = {
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-50, -50,
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+50, -30,
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+30, +30,
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-30, +40
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};
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cogl_path_polygon (poly_coords, 4);
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}
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static void
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test_paint_elp (void)
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{
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cogl_path_ellipse (0, 0, 60, 40);
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}
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static void
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test_paint_curve (void)
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{
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cogl_path_move_to (-50, +50);
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cogl_path_curve_to (+100, -50,
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-100, -50,
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+50, +50);
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}
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static PaintFunc paint_func []=
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{
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test_paint_line,
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test_paint_rect,
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test_paint_rndrect,
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test_paint_polyl,
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test_paint_polyg,
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test_paint_elp,
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test_paint_curve
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};
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static void
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paint_cb (ClutterActor *self, ClutterTimeline *tl)
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{
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gint paint_index = (clutter_timeline_get_progress (tl)
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* G_N_ELEMENTS (paint_func));
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cogl_push_matrix ();
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paint_func[paint_index] ();
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cogl_translate (100, 100, 0);
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cogl_set_source_color4ub (0, 160, 0, 255);
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cogl_path_stroke_preserve ();
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cogl_translate (150, 0, 0);
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cogl_set_source_color4ub (200, 0, 0, 255);
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cogl_path_fill ();
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cogl_pop_matrix();
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}
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G_MODULE_EXPORT int
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test_cogl_primitives_main (int argc, char *argv[])
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{
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ClutterActor *stage;
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ClutterActor *coglbox;
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ClutterTimeline *tl;
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clutter_init(&argc, &argv);
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tl = clutter_timeline_new (G_N_ELEMENTS (paint_func) * 1000);
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clutter_timeline_set_loop (tl, TRUE);
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clutter_timeline_start (tl);
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stage = clutter_stage_get_default ();
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clutter_actor_set_size (stage, 400, 400);
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clutter_stage_set_title (CLUTTER_STAGE (stage), "Cogl Test");
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coglbox = clutter_group_new ();
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), coglbox);
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g_signal_connect (coglbox, "paint", G_CALLBACK (paint_cb), tl);
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/* Redraw every frame of the timeline */
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g_signal_connect_swapped (tl, "new-frame",
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G_CALLBACK (clutter_actor_queue_redraw), coglbox);
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clutter_actor_set_rotation (coglbox, CLUTTER_Y_AXIS, -30, 200, 0, 0);
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clutter_actor_set_position (coglbox, 0, 100);
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clutter_actor_show (stage);
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clutter_main ();
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g_object_unref (tl);
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return 0;
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}
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