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https://github.com/brl/mutter.git
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8e437e838f
This removes a lot of code from test-cogl-primitives to make it easier to follow. The TestCoglBox custom actor has gone and instead a blank ClutterGroup is created with a paint signal handler. Instead of rendering constantly and updating when a GTimer elapses a second, a ClutterTimeline is used with 1 fps and a new redraw is queued every frame. The custom main loop is replaced with a regular call to clutter_main. This fixes the close button of the stage window so you can quit without having to press Ctrl+C.
163 lines
3.9 KiB
C
163 lines
3.9 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 ()
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{
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cogl_path_line (CLUTTER_INT_TO_FIXED (-50),
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CLUTTER_INT_TO_FIXED (-25),
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CLUTTER_INT_TO_FIXED (50),
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CLUTTER_INT_TO_FIXED (25));
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}
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static void
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test_paint_rect ()
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{
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cogl_path_rectangle (CLUTTER_INT_TO_FIXED (-50),
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CLUTTER_INT_TO_FIXED (-25),
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CLUTTER_INT_TO_FIXED (100),
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CLUTTER_INT_TO_FIXED (50));
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}
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static void
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test_paint_rndrect()
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{
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cogl_path_round_rectangle (CLUTTER_INT_TO_FIXED (-50),
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CLUTTER_INT_TO_FIXED (-25),
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CLUTTER_INT_TO_FIXED (100),
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CLUTTER_INT_TO_FIXED (50),
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CLUTTER_INT_TO_FIXED (10),
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5);
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}
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static void
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test_paint_polyl ()
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{
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ClutterFixed poly_coords[] = {
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CLUTTER_INT_TO_FIXED (-50),
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CLUTTER_INT_TO_FIXED (-50),
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CLUTTER_INT_TO_FIXED (+50),
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CLUTTER_INT_TO_FIXED (-30),
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CLUTTER_INT_TO_FIXED (+30),
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CLUTTER_INT_TO_FIXED (+30),
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CLUTTER_INT_TO_FIXED (-30),
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CLUTTER_INT_TO_FIXED (+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 ()
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{
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gfloat poly_coords[] = {
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CLUTTER_INT_TO_FIXED (-50),
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CLUTTER_INT_TO_FIXED (-50),
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CLUTTER_INT_TO_FIXED (+50),
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CLUTTER_INT_TO_FIXED (-30),
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CLUTTER_INT_TO_FIXED (+30),
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CLUTTER_INT_TO_FIXED (+30),
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CLUTTER_INT_TO_FIXED (-30),
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CLUTTER_INT_TO_FIXED (+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 ()
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{
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cogl_path_ellipse (0, 0,
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CLUTTER_INT_TO_FIXED (60),
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CLUTTER_INT_TO_FIXED (40));
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}
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static void
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test_paint_curve ()
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{
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cogl_path_move_to (CLUTTER_INT_TO_FIXED (-50),
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CLUTTER_INT_TO_FIXED (+50));
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cogl_path_curve_to (CLUTTER_INT_TO_FIXED (+100),
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CLUTTER_INT_TO_FIXED (-50),
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CLUTTER_INT_TO_FIXED (-100),
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CLUTTER_INT_TO_FIXED (-50),
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CLUTTER_INT_TO_FIXED (+50),
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CLUTTER_INT_TO_FIXED (+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_current_frame (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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/* One frame for each paint function at one frame per second */
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tl = clutter_timeline_new (G_N_ELEMENTS (paint_func), 1);
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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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