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examples/unsorted/evas/evas-3d-proxy.c

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#define EFL_EO_API_SUPPORT
#define EFL_BETA_API_SUPPORT
#include <Ecore.h>
#include <Ecore_Evas.h>
#include <stdio.h>
#include <math.h>
#include <Evas.h>
#define WIDTH 1024
#define HEIGHT 1024
#define IMG_WIDTH 256
#define IMG_HEIGHT 256
typedef struct _Scene_Data
{
Evas_3D_Scene *scene;
Evas_3D_Node *root_node;
Evas_3D_Node *camera_node;
Evas_3D_Node *light_node;
Evas_3D_Node *mesh_node;
Evas_3D_Camera *camera;
Evas_3D_Light *light;
Evas_3D_Mesh *mesh;
Evas_3D_Material *material;
Evas_3D_Texture *texture;
} Scene_Data;
Ecore_Evas *ecore_evas = NULL;
Evas *evas = NULL;
Evas_Object *background = NULL;
Evas_Object *image = NULL;
Evas_Object *source = 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 void
_on_delete(Ecore_Evas *ee EINA_UNUSED)
{
ecore_main_loop_quit();
}
static void
_on_canvas_resize(Ecore_Evas *ee)
{
int w, h;
ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
evas_object_resize(background, w, h);
evas_object_resize(image, w, h);
evas_object_move(image, 0, 0);
}
static Eina_Bool
_animate_scene(void *data)
{
static float angle = 0.0f;
Scene_Data *scene = (Scene_Data *)data;
unsigned int *pixels;
int i, j, stride;
angle += 0.5;
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;
pixels = (unsigned int *)evas_object_image_data_get(source, EINA_TRUE);
stride = evas_object_image_stride_get(source);
for (i = 0; i < IMG_HEIGHT; i++)
{
unsigned int *row = (unsigned int *)((char *)pixels + stride * i);
for (j = 0; j < IMG_WIDTH; j++)
{
*row++ = rand() | 0xff000000;
}
}
evas_object_image_data_set(source, pixels);
evas_object_image_data_update_add(source, 0, 0, IMG_WIDTH, IMG_HEIGHT);
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(30.0, 1.0, 2.0, 50.0));
data->camera_node = evas_3d_node_add(evas, 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 = evas_3d_node_add(evas, 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);
data->texture = eo_add(EVAS_3D_TEXTURE_CLASS, evas);
eo_do(data->texture,
evas_3d_texture_source_set(source),
evas_3d_texture_source_visible_set(EINA_TRUE));
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),
evas_3d_material_texture_set(EVAS_3D_MATERIAL_DIFFUSE, data->texture));
/* 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_FLAT),
evas_3d_mesh_frame_material_set(0, data->material));
data->mesh_node = evas_3d_node_add(evas, 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, HEIGHT),
evas_3d_scene_background_color_set(0.0, 0.0, 0.0, 0.0));
data->root_node = evas_3d_node_add(evas, 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));
}
int
main(void)
{
Scene_Data data;
if (!ecore_evas_init())
return 0;
ecore_evas = ecore_evas_new(NULL, 10, 10, WIDTH, HEIGHT, NULL);
if (!ecore_evas)
return 0;
ecore_evas_callback_delete_request_set(ecore_evas, _on_delete);
ecore_evas_callback_resize_set(ecore_evas, _on_canvas_resize);
ecore_evas_show(ecore_evas);
evas = ecore_evas_get(ecore_evas);
/* Add a background rectangle objects. */
background = evas_object_rectangle_add(evas);
evas_object_color_set(background, 0, 0, 0, 255);
evas_object_move(background, 0, 0);
evas_object_resize(background, WIDTH, HEIGHT);
evas_object_show(background);
/* Add a background imageg. */
source = evas_object_image_filled_add(evas);
evas_object_image_size_set(source, IMG_WIDTH, IMG_HEIGHT);
evas_object_move(source, 0, 0);
evas_object_resize(source, IMG_WIDTH, IMG_HEIGHT);
evas_object_show(source);
/* Add an image object for 3D scene rendering. */
image = evas_object_image_filled_add(evas);
evas_object_move(image, 0, 0);
evas_object_resize(image, WIDTH, HEIGHT);
evas_object_show(image);
/* Setup scene */
_scene_setup(&data);
/* Set the image object as render target for 3D scene. */
evas_object_image_scene_set(image, data.scene);
/* Add animation timer callback. */
ecore_timer_add(0.016, _animate_scene, &data);
/* Enter main loop. */
ecore_main_loop_begin();
ecore_evas_free(ecore_evas);
ecore_evas_shutdown();
return 0;
}
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