--- /dev/null
+/*
+* This example shows the mechanism of scene object adding (3D cube) to the widget button and
+* illustrates the work of callback of event from mouse.
+*
+* Compile with:
+* gcc -o 3d_scene_on_button_example 3d_scene_on_button example.c -g `pkg-config --libs --cflags evas ecore eo elementary`
+*/
+
+#define EFL_EO_API_SUPPORT
+#define EFL_BETA_API_SUPPORT
+
+#define WIDTH 500
+#define HEIGHT 500
+#define d_w 100
+#define d_h 100
+
+
+#include <Eo.h>
+#include <Evas.h>
+#include <Ecore.h>
+#include <Elementary.h>
+#include <stdio.h>
+
+typedef struct _Scene_Data
+{
+ Eo *scene;
+ Eo *root_node;
+ Eo *camera_node;
+ Eo *light_node;
+ Eo *mesh_node;
+
+ Eo *camera;
+ Eo *light;
+ Eo *mesh;
+ Eo *material;
+} Scene_Data;
+
+Evas_Object *win = NULL;
+Evas_Object *btn = NULL;
+float d_angle = 0.5;
+static Evas *evas = NULL;
+static Eo *image = NULL;
+
+static const float cube_vertices[] =
+{
+ /* Front */
+ -1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0,
+ 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0,
+ -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0,
+ 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0,
+
+ /* Back */
+ 1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0,
+ -1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0,
+ 1.0, -1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0,
+ -1.0, -1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0,
+
+ /* Left */
+ -1.0, 1.0, -1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0,
+ -1.0, 1.0, 1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0,
+ -1.0, -1.0, -1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0,
+ -1.0, -1.0, 1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0,
+
+ /* Right */
+ 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0,
+ 1.0, 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0, 1.0,
+ 1.0, -1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0,
+ 1.0, -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0, 0.0,
+
+ /* Top */
+ -1.0, 1.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0,
+ 1.0, 1.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 1.0,
+ -1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 0.0,
+ 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 0.0,
+
+ /* Bottom */
+ 1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0,
+ -1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0,
+ 1.0, -1.0, 1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0, 0.0,
+ -1.0, -1.0, 1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0,
+};
+
+static const unsigned short cube_indices[] =
+{
+ /* Front */
+ 0, 1, 2, 2, 1, 3,
+
+ /* Back */
+ 4, 5, 6, 6, 5, 7,
+
+ /* Left */
+ 8, 9, 10, 10, 9, 11,
+
+ /* Right */
+ 12, 13, 14, 14, 13, 15,
+
+ /* Top */
+ 16, 17, 18, 18, 17, 19,
+
+ /* Bottom */
+ 20, 21, 22, 22, 21, 23
+};
+
+static Eina_Bool
+_animate_scene(void *data)
+{
+ static float angle = 0.0f;
+ Scene_Data *scene = (Scene_Data *)data;
+
+ angle += d_angle;
+
+ eo_do(scene->mesh_node,
+ evas_3d_node_orientation_angle_axis_set(angle, 1.0, 1.0, 1.0));
+
+ /* Rotate */
+ if (angle > 360.0) angle -= 360.0f;
+
+ return EINA_TRUE;
+}
+
+static void
+_camera_setup(Scene_Data *data)
+{
+ data->camera = eo_add(EVAS_3D_CAMERA_CLASS, evas);
+
+ eo_do(data->camera,
+ evas_3d_camera_projection_perspective_set(60.0, 1.0, 2.0, 50.0));
+
+ data->camera_node =
+ eo_add_custom(EVAS_3D_NODE_CLASS, evas,
+ evas_3d_node_constructor(EVAS_3D_NODE_TYPE_CAMERA));
+ eo_do(data->camera_node,
+ evas_3d_node_camera_set(data->camera),
+ evas_3d_node_position_set(0.0, 0.0, 10.0),
+ evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0,
+ EVAS_3D_SPACE_PARENT, 0.0, 1.0, 0.0));
+ eo_do(data->root_node, evas_3d_node_member_add(data->camera_node));
+}
+
+static void
+_light_setup(Scene_Data *data)
+{
+ data->light = eo_add(EVAS_3D_LIGHT_CLASS, evas);
+ eo_do(data->light,
+ evas_3d_light_ambient_set(0.2, 0.2, 0.2, 1.0),
+ evas_3d_light_diffuse_set(1.0, 1.0, 1.0, 1.0),
+ evas_3d_light_specular_set(1.0, 1.0, 1.0, 1.0));
+
+ data->light_node =
+ eo_add_custom(EVAS_3D_NODE_CLASS, evas,
+ evas_3d_node_constructor(EVAS_3D_NODE_TYPE_LIGHT));
+ eo_do(data->light_node,
+ evas_3d_node_light_set(data->light),
+ evas_3d_node_position_set(0.0, 0.0, 10.0),
+ evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0,
+ EVAS_3D_SPACE_PARENT, 0.0, 1.0, 0.0));
+ eo_do(data->root_node, evas_3d_node_member_add(data->light_node));
+}
+static void
+_mesh_setup(Scene_Data *data)
+{
+ /* Setup material. */
+ data->material = eo_add(EVAS_3D_MATERIAL_CLASS, evas);
+
+ eo_do(data->material,
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_AMBIENT, EINA_TRUE),
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_DIFFUSE, EINA_TRUE),
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_SPECULAR, EINA_TRUE),
+
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_AMBIENT, 0.2, 0.2, 0.2, 1.0),
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_DIFFUSE, 0.8, 0.8, 0.8, 1.0),
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_SPECULAR, 1.0, 1.0, 1.0, 1.0),
+ evas_3d_material_shininess_set(100.0));
+
+ /* Setup mesh. */
+ data->mesh = eo_add(EVAS_3D_MESH_CLASS, evas);
+ eo_do(data->mesh,
+ evas_3d_mesh_vertex_count_set(24),
+ evas_3d_mesh_frame_add(0),
+
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_POSITION,
+ 12 * sizeof(float), &cube_vertices[ 0]),
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_NORMAL,
+ 12 * sizeof(float), &cube_vertices[ 3]),
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_COLOR,
+ 12 * sizeof(float), &cube_vertices[ 6]),
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_TEXCOORD,
+ 12 * sizeof(float), &cube_vertices[10]),
+
+ evas_3d_mesh_index_data_set(EVAS_3D_INDEX_FORMAT_UNSIGNED_SHORT,
+ 36, &cube_indices[0]),
+ evas_3d_mesh_vertex_assembly_set(EVAS_3D_VERTEX_ASSEMBLY_TRIANGLES),
+
+ evas_3d_mesh_shade_mode_set(EVAS_3D_SHADE_MODE_PHONG),
+
+ evas_3d_mesh_frame_material_set(0, data->material));
+
+ data->mesh_node =
+ eo_add_custom(EVAS_3D_NODE_CLASS, evas,
+ evas_3d_node_constructor(EVAS_3D_NODE_TYPE_MESH));
+ eo_do(data->root_node, evas_3d_node_member_add(data->mesh_node));
+ eo_do(data->mesh_node, evas_3d_node_mesh_add(data->mesh));
+}
+
+static void
+_scene_setup(Scene_Data *data)
+{
+ data->scene = eo_add(EVAS_3D_SCENE_CLASS, evas);
+ eo_do(data->scene,
+ evas_3d_scene_size_set(WIDTH - d_w, HEIGHT - d_h);
+ evas_3d_scene_background_color_set(0.0, 0.0, 0.0, 0.0));
+
+ data->root_node =
+ eo_add_custom(EVAS_3D_NODE_CLASS, evas,
+ evas_3d_node_constructor(EVAS_3D_NODE_TYPE_NODE));
+
+ _camera_setup(data);
+ _light_setup(data);
+ _mesh_setup(data);
+
+ eo_do(data->scene,
+ evas_3d_scene_root_node_set(data->root_node),
+ evas_3d_scene_camera_node_set(data->camera_node));
+}
+
+static void
+_stop_scene(void *data,
+ Evas *e EINA_UNUSED,
+ Evas_Object *eo EINA_UNUSED,
+ void *event_info)
+{
+ Evas_Event_Mouse_Down *ev = event_info;
+ Scene_Data *d = (Scene_Data *)data;
+
+ eo_do(d->mesh_node,
+ evas_3d_node_scale_set(0.97, 0.97, 0.97));
+
+ if (ev->button == 1)
+ {
+ if (eo_do(d->scene,
+ evas_3d_scene_exist((ev->canvas.x - d_w/2), (ev->canvas.y - d_h/2), d->mesh_node)))
+ d_angle = 0;
+ }
+}
+
+static void
+_play_scene(void *data,
+ Evas *e EINA_UNUSED,
+ Evas_Object *eo EINA_UNUSED,
+ void *event_info EINA_UNUSED)
+{
+ Scene_Data *d = (Scene_Data *)data;
+
+ d_angle = 0.5;
+
+ eo_do(d->mesh_node,
+ evas_3d_node_scale_set(1.0, 1.0, 1.0));
+}
+
+int
+main(void)
+{
+ setenv("ELM_ENGINE", "opengl_x11", 1);
+
+ Scene_Data data;
+
+ if (!elm_init(0,0)) return 0;
+
+ elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
+
+ win = elm_win_util_standard_add("__WIN__", "3d object on the button");
+ elm_win_autodel_set(win, EINA_TRUE);
+ evas_object_resize(win, WIDTH, HEIGHT);
+ evas_object_show(win);
+
+ evas = evas_object_evas_get(win);
+
+ if ((!win) || (!evas)) return 0;
+
+ _scene_setup(&data);
+
+ image = evas_object_image_filled_add(evas);
+ eo_do(image,
+ evas_obj_visibility_set(EINA_TRUE));
+
+ /* Set the image object as render target for 3D scene. */
+ eo_do(image, evas_obj_image_scene_set(data.scene));
+
+ /* Setup scene to the widget button. */
+ btn = elm_button_add(win);
+ elm_object_part_content_set(btn, "elm.swallow.content", image);
+ evas_object_resize(btn, WIDTH - d_w, HEIGHT - d_h);
+ evas_object_move(btn, d_w/2, d_h/2);
+ evas_object_show(btn);
+
+ evas_object_event_callback_add(btn, EVAS_CALLBACK_MOUSE_DOWN, _stop_scene, &data);
+ evas_object_event_callback_add(btn, EVAS_CALLBACK_MOUSE_UP, _play_scene, &data);
+
+ /* Add animation timer callback. */
+ ecore_timer_add(0.016, _animate_scene, &data);
+
+ /* Enter main loop. */
+ elm_run();
+
+ elm_shutdown();
+
+ return 0;
+}
projects / platform / upstream / efl.git / commitdiff