2015-02-23 08:59:05 -08:00
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/**
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2017-05-08 15:25:12 -07:00
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* Example of setting the texture source of an object in Evas-3D.
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2015-02-23 08:59:05 -08:00
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*
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* Data which will be used as texture can be generated directly in application.
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*
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* @verbatim
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2015-05-29 09:14:08 -07:00
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* gcc -o evas-3d-proxy evas-3d-proxy.c `pkg-config --libs --cflags efl evas ecore ecore-evas eo` -lm
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2015-02-23 08:59:05 -08:00
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* @endverbatim
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*/
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2016-06-21 08:01:16 -07:00
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#else
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2014-05-01 02:01:56 -07:00
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#define EFL_BETA_API_SUPPORT
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2016-06-21 08:01:16 -07:00
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#define EFL_EO_API_SUPPORT
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#endif
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2014-05-11 21:30:50 -07:00
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#include <math.h>
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2013-12-27 03:29:07 -08:00
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#include <Ecore.h>
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#include <Ecore_Evas.h>
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2014-04-14 18:32:39 -07:00
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#include <Evas.h>
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2013-12-27 03:29:07 -08:00
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2014-05-07 00:55:50 -07:00
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#define WIDTH 400
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#define HEIGHT 400
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2013-12-27 03:29:07 -08:00
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2014-01-07 01:07:38 -08:00
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#define IMG_WIDTH 256
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#define IMG_HEIGHT 256
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2016-09-01 05:46:42 -07:00
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// undef this to test the legacy API for images
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#define USE_EO_IMAGE
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2016-03-28 22:59:50 -07:00
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2013-12-27 03:29:07 -08:00
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typedef struct _Scene_Data
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{
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2014-05-11 21:30:50 -07:00
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Eo *scene;
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Eo *root_node;
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Eo *camera_node;
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Eo *light_node;
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Eo *mesh_node;
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Eo *camera;
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Eo *light;
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2015-05-29 09:14:08 -07:00
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Eo *cube;
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2014-05-11 21:30:50 -07:00
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Eo *mesh;
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Eo *material;
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Eo *texture;
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2013-12-27 03:29:07 -08:00
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} Scene_Data;
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2014-05-11 21:30:50 -07:00
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static Ecore_Evas *ecore_evas = NULL;
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static Evas *evas = NULL;
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static Eo *background = NULL;
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static Eo *image = NULL;
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static Eo *source = NULL;
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2013-12-27 03:29:07 -08:00
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static void
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_on_delete(Ecore_Evas *ee EINA_UNUSED)
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{
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ecore_main_loop_quit();
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}
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static void
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_on_canvas_resize(Ecore_Evas *ee)
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{
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int w, h;
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ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
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2018-04-05 01:47:26 -07:00
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efl_gfx_entity_size_set(background, EINA_SIZE2D(w, h));
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efl_gfx_entity_size_set(image, EINA_SIZE2D(w, h));
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2013-12-27 03:29:07 -08:00
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}
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static Eina_Bool
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_animate_scene(void *data)
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{
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static float angle = 0.0f;
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Scene_Data *scene = (Scene_Data *)data;
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2014-01-07 01:07:38 -08:00
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unsigned int *pixels;
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2016-09-01 05:46:42 -07:00
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int i, j, stride;
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2013-12-27 03:29:07 -08:00
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angle += 0.5;
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_node_orientation_angle_axis_set(scene->mesh_node, angle, 1.0, 1.0, 1.0);
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2013-12-27 03:29:07 -08:00
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/* Rotate */
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2014-05-11 21:30:50 -07:00
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if (angle > 360.0) angle -= 360.0f;
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2013-12-27 03:29:07 -08:00
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2016-03-28 22:59:50 -07:00
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#ifdef USE_EO_IMAGE
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2016-09-01 05:46:42 -07:00
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Eina_Rw_Slice slice;
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2017-09-18 03:59:11 -07:00
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slice = efl_gfx_buffer_map(source, EFL_GFX_BUFFER_ACCESS_MODE_WRITE, NULL,
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EFL_GFX_COLORSPACE_ARGB8888, 0, &stride);
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2016-09-01 05:46:42 -07:00
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pixels = slice.mem;
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2017-09-18 03:59:11 -07:00
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if (!pixels) return EINA_TRUE;
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2016-03-28 22:59:50 -07:00
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#else
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2016-03-07 21:11:07 -08:00
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pixels = evas_object_image_data_get(source, EINA_TRUE);
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stride = evas_object_image_stride_get(source);
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2016-03-28 22:59:50 -07:00
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#endif
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2014-01-07 01:07:38 -08:00
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for (i = 0; i < IMG_HEIGHT; i++)
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{
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unsigned int *row = (unsigned int *)((char *)pixels + stride * i);
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for (j = 0; j < IMG_WIDTH; j++)
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{
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*row++ = rand() | 0xff000000;
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}
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}
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2016-03-28 22:59:50 -07:00
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#ifdef USE_EO_IMAGE
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2017-09-18 03:59:11 -07:00
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efl_gfx_buffer_unmap(source, slice);
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2017-09-18 03:30:30 -07:00
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efl_gfx_buffer_update_add(source, NULL);
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2016-03-28 22:59:50 -07:00
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#else
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2016-03-07 21:11:07 -08:00
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evas_object_image_data_set(source, pixels);
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evas_object_image_data_update_add(source, 0, 0, IMG_WIDTH, IMG_HEIGHT);
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2016-03-28 22:59:50 -07:00
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#endif
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2014-01-07 01:07:38 -08:00
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2013-12-27 03:29:07 -08:00
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return EINA_TRUE;
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}
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static void
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_camera_setup(Scene_Data *data)
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{
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2016-08-15 06:44:41 -07:00
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data->camera = efl_add(EVAS_CANVAS3D_CAMERA_CLASS, evas);
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_camera_projection_perspective_set(data->camera, 30.0, 1.0, 2.0, 50.0);
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2013-12-27 03:29:07 -08:00
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2016-03-11 04:24:08 -08:00
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data->camera_node =
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2018-02-12 11:29:20 -08:00
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efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_CAMERA));
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_node_camera_set(data->camera_node, data->camera);
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evas_canvas3d_node_position_set(data->camera_node, 0.0, 0.0, 5.0);
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evas_canvas3d_node_look_at_set(data->camera_node, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 1.0, 0.0);
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evas_canvas3d_node_member_add(data->root_node, data->camera_node);
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2013-12-27 03:29:07 -08:00
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}
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static void
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_light_setup(Scene_Data *data)
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{
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2016-08-15 06:44:41 -07:00
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data->light = efl_add(EVAS_CANVAS3D_LIGHT_CLASS, evas);
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_light_ambient_set(data->light, 0.2, 0.2, 0.2, 1.0);
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evas_canvas3d_light_diffuse_set(data->light, 1.0, 1.0, 1.0, 1.0);
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evas_canvas3d_light_specular_set(data->light, 1.0, 1.0, 1.0, 1.0);
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2013-12-27 03:29:07 -08:00
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2016-03-11 04:24:08 -08:00
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data->light_node =
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2018-02-12 11:29:20 -08:00
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efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_LIGHT));
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_node_light_set(data->light_node, data->light);
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evas_canvas3d_node_position_set(data->light_node, 0.0, 0.0, 10.0);
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evas_canvas3d_node_look_at_set(data->light_node, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 1.0, 0.0);
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evas_canvas3d_node_member_add(data->root_node, data->light_node);
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2013-12-27 03:29:07 -08:00
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}
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static void
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_mesh_setup(Scene_Data *data)
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{
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/* Setup material. */
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2016-08-15 06:44:41 -07:00
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data->material = efl_add(EVAS_CANVAS3D_MATERIAL_CLASS, evas);
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data->texture = efl_add(EVAS_CANVAS3D_TEXTURE_CLASS, evas);
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2013-12-27 03:29:07 -08:00
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_texture_source_set(data->texture, source);
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evas_canvas3d_texture_source_visible_set(data->texture, EINA_TRUE);
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2013-12-27 03:29:07 -08:00
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_material_enable_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, EINA_TRUE);
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evas_canvas3d_material_enable_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, EINA_TRUE);
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evas_canvas3d_material_enable_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, EINA_TRUE);
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evas_canvas3d_material_color_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, 0.2, 0.2, 0.2, 1.0);
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evas_canvas3d_material_color_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, 0.8, 0.8, 0.8, 1.0);
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evas_canvas3d_material_color_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, 1.0, 1.0, 1.0, 1.0);
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evas_canvas3d_material_shininess_set(data->material, 100.0);
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evas_canvas3d_material_texture_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, data->texture);
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2013-12-27 03:29:07 -08:00
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2015-05-29 09:14:08 -07:00
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/* Set data of primitive */
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2016-08-15 06:44:41 -07:00
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data->cube = efl_add(EVAS_CANVAS3D_PRIMITIVE_CLASS, evas);
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_primitive_form_set(data->cube, EVAS_CANVAS3D_MESH_PRIMITIVE_CUBE);
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2015-05-29 09:14:08 -07:00
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2013-12-27 03:29:07 -08:00
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/* Setup mesh. */
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2016-08-15 06:44:41 -07:00
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data->mesh = efl_add(EVAS_CANVAS3D_MESH_CLASS, evas);
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_mesh_from_primitive_set(data->mesh, 0, data->cube);
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2016-04-14 04:28:20 -07:00
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evas_canvas3d_mesh_shader_mode_set(data->mesh, EVAS_CANVAS3D_SHADER_MODE_FLAT);
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_mesh_frame_material_set(data->mesh, 0, data->material);
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2013-12-27 03:29:07 -08:00
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2016-03-11 04:24:08 -08:00
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data->mesh_node =
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2018-02-12 11:29:20 -08:00
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efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_MESH));
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2014-05-07 06:33:15 -07:00
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_node_member_add(data->root_node, data->mesh_node);
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evas_canvas3d_node_mesh_add(data->mesh_node, data->mesh);
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2013-12-27 03:29:07 -08:00
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}
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static void
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_scene_setup(Scene_Data *data)
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{
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2016-08-15 06:44:41 -07:00
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data->scene = efl_add(EVAS_CANVAS3D_SCENE_CLASS, evas);
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_scene_size_set(data->scene, WIDTH, HEIGHT);
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evas_canvas3d_scene_background_color_set(data->scene, 0.0, 0.0, 0.0, 0.0);
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2013-12-27 03:29:07 -08:00
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2016-03-11 04:24:08 -08:00
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data->root_node =
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2018-02-12 11:29:20 -08:00
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efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_NODE));
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2013-12-27 03:29:07 -08:00
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_camera_setup(data);
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_light_setup(data);
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_mesh_setup(data);
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2016-03-01 10:06:28 -08:00
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evas_canvas3d_scene_root_node_set(data->scene, data->root_node);
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evas_canvas3d_scene_camera_node_set(data->scene, data->camera_node);
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2013-12-27 03:29:07 -08:00
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}
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int
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main(void)
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{
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2017-08-07 23:28:20 -07:00
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// Unless Evas 3D supports Software renderer, we force use of the gl backend.
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2014-05-06 23:32:11 -07:00
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setenv("ECORE_EVAS_ENGINE", "opengl_x11", 1);
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2013-12-27 03:29:07 -08:00
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Scene_Data data;
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2014-05-11 21:30:50 -07:00
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if (!ecore_evas_init()) return 0;
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2013-12-27 03:29:07 -08:00
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ecore_evas = ecore_evas_new(NULL, 10, 10, WIDTH, HEIGHT, NULL);
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2014-05-11 21:30:50 -07:00
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if (!ecore_evas) return 0;
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2013-12-27 03:29:07 -08:00
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ecore_evas_callback_delete_request_set(ecore_evas, _on_delete);
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ecore_evas_callback_resize_set(ecore_evas, _on_canvas_resize);
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ecore_evas_show(ecore_evas);
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evas = ecore_evas_get(ecore_evas);
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2017-04-25 16:28:15 -07:00
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/* Add a background rectangle object. */
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2016-08-15 06:44:41 -07:00
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background = efl_add(EFL_CANVAS_RECTANGLE_CLASS, evas);
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2016-03-01 10:06:28 -08:00
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efl_gfx_color_set(background, 0, 0, 0, 255);
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2018-04-05 01:47:26 -07:00
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efl_gfx_entity_size_set(background, EINA_SIZE2D(WIDTH, HEIGHT));
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efl_gfx_entity_visible_set(background, EINA_TRUE);
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2014-05-11 21:30:50 -07:00
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/* Add a background image. */
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2016-03-28 22:59:50 -07:00
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#ifdef USE_EO_IMAGE
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2016-08-15 06:44:41 -07:00
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source = efl_add(EFL_CANVAS_IMAGE_CLASS, evas);
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2017-09-18 03:30:30 -07:00
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efl_gfx_buffer_copy_set(source, NULL, EINA_SIZE2D(IMG_WIDTH, IMG_HEIGHT), 0, EFL_GFX_COLORSPACE_ARGB8888, 0);
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2018-04-05 01:47:26 -07:00
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efl_gfx_entity_position_set(source, EINA_POSITION2D((WIDTH / 2), (HEIGHT / 2)));
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efl_gfx_entity_size_set(source, EINA_SIZE2D((WIDTH / 2), (HEIGHT / 2)));
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efl_gfx_entity_visible_set(source, EINA_TRUE);
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2016-03-28 22:59:50 -07:00
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#else
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source = evas_object_image_filled_add(evas);
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evas_object_image_size_set(source, IMG_WIDTH, IMG_HEIGHT);
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evas_object_move(source, (WIDTH / 2), (HEIGHT / 2));
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evas_object_resize(source, (WIDTH / 2), (HEIGHT / 2));
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evas_object_show(source);
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#endif
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2013-12-27 03:29:07 -08:00
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/* Add an image object for 3D scene rendering. */
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2016-08-15 06:44:41 -07:00
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image = efl_add(EFL_CANVAS_SCENE3D_CLASS, evas);
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2018-04-05 01:47:26 -07:00
|
|
|
efl_gfx_entity_size_set(image, EINA_SIZE2D((WIDTH / 2), (HEIGHT / 2)));
|
|
|
|
efl_gfx_entity_visible_set(image, EINA_TRUE);
|
2013-12-27 03:29:07 -08:00
|
|
|
|
|
|
|
/* Setup scene */
|
|
|
|
_scene_setup(&data);
|
|
|
|
|
|
|
|
/* Set the image object as render target for 3D scene. */
|
2016-03-07 21:11:07 -08:00
|
|
|
efl_canvas_scene3d_set(image, data.scene);
|
2013-12-27 03:29:07 -08:00
|
|
|
|
|
|
|
/* 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;
|
|
|
|
}
|