629 lines
17 KiB
C
629 lines
17 KiB
C
#ifdef HAVE_CONFIG_H
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# include "elementary_config.h"
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#endif
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#include <Elementary.h>
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#include "elm_priv.h"
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#include "elm_widget_glview.h"
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EAPI Eo_Op ELM_OBJ_GLVIEW_BASE_ID = EO_NOOP;
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#define MY_CLASS ELM_OBJ_GLVIEW_CLASS
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#define MY_CLASS_NAME "elm_glview"
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static const char SIG_FOCUSED[] = "focused";
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static const char SIG_UNFOCUSED[] = "unfocused";
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static const char SIG_LANG_CHANGED[] = "language,changed";
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/* smart callbacks coming from elm glview objects: */
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static const Evas_Smart_Cb_Description _smart_callbacks[] = {
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{SIG_FOCUSED, ""},
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{SIG_UNFOCUSED, ""},
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{SIG_LANG_CHANGED, ""},
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{NULL, NULL}
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};
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static void
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_elm_glview_smart_translate(Eo *obj, void *_pd EINA_UNUSED, va_list *list)
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{
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Eina_Bool *ret = va_arg(*list, Eina_Bool *);
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evas_object_smart_callback_call(obj, SIG_LANG_CHANGED, NULL);
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if (ret) *ret = EINA_TRUE;
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}
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static void
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_elm_glview_smart_on_focus(Eo *obj, void *_pd EINA_UNUSED, va_list *list)
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{
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Eina_Bool *ret = va_arg(*list, Eina_Bool *);
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if (ret) *ret = EINA_FALSE;
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ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
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Eina_Bool int_ret = EINA_FALSE;
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eo_do_super(obj, MY_CLASS, elm_wdg_on_focus(&int_ret));
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if (!int_ret) return;
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if (elm_widget_focus_get(obj))
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evas_object_focus_set(wd->resize_obj, EINA_TRUE);
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else
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evas_object_focus_set(wd->resize_obj, EINA_FALSE);
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if (ret) *ret = EINA_TRUE;
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}
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static void
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_glview_update_surface(Evas_Object *obj)
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{
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ELM_GLVIEW_DATA_GET(obj, sd);
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ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
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if (!sd) return;
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if (sd->surface)
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{
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evas_object_image_native_surface_set
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(wd->resize_obj, NULL);
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evas_gl_surface_destroy(sd->evasgl, sd->surface);
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sd->surface = NULL;
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}
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evas_object_image_size_set(wd->resize_obj, sd->w, sd->h);
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if (!sd->surface)
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{
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Evas_Native_Surface ns;
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sd->surface = evas_gl_surface_create
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(sd->evasgl, sd->config, sd->w, sd->h);
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evas_gl_native_surface_get(sd->evasgl, sd->surface, &ns);
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evas_object_image_native_surface_set
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(wd->resize_obj, &ns);
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elm_glview_changed_set(obj);
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}
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}
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static void
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_elm_glview_smart_resize(Eo *obj, void *_pd, va_list *list)
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{
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Evas_Coord w = va_arg(*list, Evas_Coord);
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Evas_Coord h = va_arg(*list, Evas_Coord);
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Elm_Glview_Smart_Data * sd = _pd;
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eo_do_super(obj, MY_CLASS, evas_obj_smart_resize(w, h));
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sd->resized = EINA_TRUE;
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if (sd->scale_policy == ELM_GLVIEW_RESIZE_POLICY_RECREATE)
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{
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if ((w == 0) || (h == 0))
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{
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w = 64;
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h = 64;
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}
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if ((sd->w == w) && (sd->h == h)) return;
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sd->w = w;
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sd->h = h;
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_glview_update_surface(obj);
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}
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}
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static Eina_Bool
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_render_cb(void *obj)
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{
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ELM_GLVIEW_DATA_GET(obj, sd);
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// Do a make current
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if (!evas_gl_make_current(sd->evasgl, sd->surface, sd->context))
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{
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sd->render_idle_enterer = NULL;
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ERR("Failed doing make current.\n");
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return EINA_FALSE;
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}
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// Call the init function if it hasn't been called already
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if (!sd->initialized)
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{
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if (sd->init_func) sd->init_func(obj);
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sd->initialized = EINA_TRUE;
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}
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if (sd->resized)
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{
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if (sd->resize_func) sd->resize_func(obj);
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sd->resized = EINA_FALSE;
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}
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// Call the render function
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if (sd->render_func) sd->render_func(obj);
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// Depending on the policy return true or false
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if (sd->render_policy == ELM_GLVIEW_RENDER_POLICY_ON_DEMAND)
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return EINA_TRUE;
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else if (sd->render_policy == ELM_GLVIEW_RENDER_POLICY_ALWAYS)
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{
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// Return false so it only runs once
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sd->render_idle_enterer = NULL;
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return EINA_FALSE;
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}
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else
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{
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ERR("Invalid Render Policy.\n");
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sd->render_idle_enterer = NULL;
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return EINA_FALSE;
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}
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return EINA_TRUE;
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}
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static void
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_set_render_policy_callback(Evas_Object *obj)
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{
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ELM_GLVIEW_DATA_GET(obj, sd);
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ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
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switch (sd->render_policy)
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{
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case ELM_GLVIEW_RENDER_POLICY_ON_DEMAND:
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// Delete idle_enterer if it for some reason is around
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if (sd->render_idle_enterer)
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{
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ecore_idle_enterer_del(sd->render_idle_enterer);
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sd->render_idle_enterer = NULL;
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}
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// Set pixel getter callback
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evas_object_image_pixels_get_callback_set
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(wd->resize_obj,
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(Evas_Object_Image_Pixels_Get_Cb)_render_cb,
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obj);
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break;
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case ELM_GLVIEW_RENDER_POLICY_ALWAYS:
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// Unset the pixel getter callback if set already
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evas_object_image_pixels_get_callback_set
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(wd->resize_obj, NULL, NULL);
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break;
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default:
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ERR("Invalid Render Policy.\n");
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return;
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}
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}
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static void
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_elm_glview_smart_add(Eo *obj, void *_pd, va_list *list EINA_UNUSED)
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{
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Elm_Glview_Smart_Data *priv = _pd;
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Evas_Object *img;
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elm_widget_sub_object_parent_add(obj);
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// Create image to render Evas_GL Surface
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img = evas_object_image_filled_add(evas_object_evas_get(obj));
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elm_widget_resize_object_set(obj, img, EINA_TRUE);
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evas_object_image_size_set(img, 1, 1);
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eo_do_super(obj, MY_CLASS, evas_obj_smart_add());
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// Evas_GL
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priv->evasgl = evas_gl_new(evas_object_evas_get(obj));
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if (!priv->evasgl)
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{
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ERR("Failed Creating an Evas GL Object.\n");
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return;
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}
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// Create a default config
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priv->config = evas_gl_config_new();
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if (!priv->config)
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{
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ERR("Failed Creating a Config Object.\n");
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evas_gl_free(priv->evasgl);
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priv->evasgl = NULL;
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return;
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}
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priv->config->color_format = EVAS_GL_RGB_888;
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// Initialize variables
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priv->scale_policy = ELM_GLVIEW_RESIZE_POLICY_RECREATE;
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priv->render_policy = ELM_GLVIEW_RENDER_POLICY_ON_DEMAND;
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// Initialize it to (64,64) (It's an arbitrary value)
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priv->w = 64;
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priv->h = 64;
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// Create Context
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priv->context = evas_gl_context_create(priv->evasgl, NULL);
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if (!priv->context)
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{
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ERR("Error Creating an Evas_GL Context.\n");
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evas_gl_config_free(priv->config);
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evas_gl_free(priv->evasgl);
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priv->evasgl = NULL;
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return;
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}
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}
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static void
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_elm_glview_smart_del(Eo *obj, void *_pd, va_list *list EINA_UNUSED)
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{
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Elm_Glview_Smart_Data * sd = _pd;
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// Call delete func if it's registered
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if (sd->del_func)
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{
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evas_gl_make_current(sd->evasgl, sd->surface, sd->context);
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sd->del_func(obj);
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}
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if (sd->render_idle_enterer)
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ecore_idle_enterer_del(sd->render_idle_enterer);
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if (sd->surface) evas_gl_surface_destroy(sd->evasgl, sd->surface);
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if (sd->context) evas_gl_context_destroy(sd->evasgl, sd->context);
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if (sd->config) evas_gl_config_free(sd->config);
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if (sd->evasgl) evas_gl_free(sd->evasgl);
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eo_do_super(obj, MY_CLASS, evas_obj_smart_del());
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}
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EAPI Evas_Object *
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elm_glview_add(Evas_Object *parent)
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{
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EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
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Evas_Object *obj = eo_add(MY_CLASS, parent);
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eo_unref(obj);
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return obj;
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}
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static void
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_constructor(Eo *obj, void *_pd, va_list *list EINA_UNUSED)
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{
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const Elm_Glview_Smart_Data *sd = _pd;
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eo_do_super(obj, MY_CLASS, eo_constructor());
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eo_do(obj,
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evas_obj_type_set(MY_CLASS_NAME),
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evas_obj_smart_callbacks_descriptions_set(_smart_callbacks, NULL));
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if (!sd->evasgl)
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{
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eo_error_set(obj);
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return;
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}
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}
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EAPI Evas_GL_API *
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elm_glview_gl_api_get(const Evas_Object *obj)
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{
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ELM_GLVIEW_CHECK(obj) NULL;
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Evas_GL_API *ret = NULL;
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eo_do((Eo *)obj, elm_obj_glview_gl_api_get(&ret));
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return ret;
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}
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static void
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_gl_api_get(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
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{
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Evas_GL_API **ret = va_arg(*list, Evas_GL_API **);
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const Elm_Glview_Smart_Data *sd = _pd;
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*ret = evas_gl_api_get(sd->evasgl);
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}
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EAPI Eina_Bool
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elm_glview_mode_set(Evas_Object *obj,
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Elm_GLView_Mode mode)
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{
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ELM_GLVIEW_CHECK(obj) EINA_FALSE;
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Eina_Bool ret = EINA_FALSE;
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eo_do(obj, elm_obj_glview_mode_set(mode, &ret));
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return ret;
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}
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static void
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_mode_set(Eo *obj, void *_pd, va_list *list)
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{
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Elm_GLView_Mode mode = va_arg(*list, Elm_GLView_Mode);
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Eina_Bool *ret = va_arg(*list, Eina_Bool *);
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Elm_Glview_Smart_Data *sd = _pd;
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ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
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// Set the configs
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if (mode & ELM_GLVIEW_ALPHA) sd->config->color_format = EVAS_GL_RGBA_8888;
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else sd->config->color_format = EVAS_GL_RGB_888;
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if (mode & ELM_GLVIEW_DEPTH) sd->config->depth_bits = EVAS_GL_DEPTH_BIT_24;
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else sd->config->depth_bits = EVAS_GL_DEPTH_NONE;
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if (mode & ELM_GLVIEW_STENCIL)
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sd->config->stencil_bits = EVAS_GL_STENCIL_BIT_8;
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else sd->config->stencil_bits = EVAS_GL_STENCIL_NONE;
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if (mode & ELM_GLVIEW_DIRECT)
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sd->config->options_bits = EVAS_GL_OPTIONS_DIRECT;
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else sd->config->options_bits = EVAS_GL_OPTIONS_NONE;
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// Check for Alpha Channel and enable it
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if (mode & ELM_GLVIEW_ALPHA)
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evas_object_image_alpha_set(wd->resize_obj, EINA_TRUE);
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else
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evas_object_image_alpha_set(wd->resize_obj, EINA_FALSE);
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sd->mode = mode;
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_glview_update_surface(obj);
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elm_glview_changed_set(obj);
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if (ret) *ret = EINA_TRUE;
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}
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EAPI Eina_Bool
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elm_glview_resize_policy_set(Evas_Object *obj,
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Elm_GLView_Resize_Policy policy)
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{
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ELM_GLVIEW_CHECK(obj) EINA_FALSE;
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Eina_Bool ret = EINA_FALSE;
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eo_do(obj, elm_obj_glview_resize_policy_set(policy, &ret));
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return ret;
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}
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static void
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_resize_policy_set(Eo *obj, void *_pd, va_list *list)
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{
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Elm_GLView_Resize_Policy policy = va_arg(*list, Elm_GLView_Resize_Policy);
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Eina_Bool *ret = va_arg(*list, Eina_Bool *);
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if (ret) *ret = EINA_TRUE;
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Elm_Glview_Smart_Data *sd = _pd;
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if (policy == sd->scale_policy) return;
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switch (policy)
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{
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case ELM_GLVIEW_RESIZE_POLICY_RECREATE:
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case ELM_GLVIEW_RESIZE_POLICY_SCALE:
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sd->scale_policy = policy;
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_glview_update_surface(obj);
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elm_glview_changed_set(obj);
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return;
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default:
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ERR("Invalid Scale Policy.\n");
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if (ret) *ret = EINA_FALSE;
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return;
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}
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}
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EAPI Eina_Bool
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elm_glview_render_policy_set(Evas_Object *obj,
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Elm_GLView_Render_Policy policy)
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{
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ELM_GLVIEW_CHECK(obj) EINA_FALSE;
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Eina_Bool ret = EINA_FALSE;
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eo_do(obj, elm_obj_glview_render_policy_set(policy, &ret));
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return ret;
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}
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static void
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_render_policy_set(Eo *obj, void *_pd, va_list *list)
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{
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Elm_GLView_Render_Policy policy = va_arg(*list, Elm_GLView_Render_Policy);
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Eina_Bool *ret = va_arg(*list, Eina_Bool *);
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Elm_Glview_Smart_Data *sd = _pd;
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if (ret) *ret = EINA_TRUE;
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if ((policy != ELM_GLVIEW_RENDER_POLICY_ON_DEMAND) &&
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(policy != ELM_GLVIEW_RENDER_POLICY_ALWAYS))
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{
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ERR("Invalid Render Policy.\n");
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if (ret) *ret = EINA_FALSE;
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return;
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}
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if (sd->render_policy == policy) return;
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sd->render_policy = policy;
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_set_render_policy_callback(obj);
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}
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EAPI void
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elm_glview_size_set(Evas_Object *obj,
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int w,
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int h)
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{
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ELM_GLVIEW_CHECK(obj);
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eo_do(obj, elm_obj_glview_size_set(w, h));
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}
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static void
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_size_set(Eo *obj, void *_pd, va_list *list)
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{
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int w = va_arg(*list, int);
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int h = va_arg(*list, int);
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Elm_Glview_Smart_Data *sd = _pd;
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if ((w == sd->w) && (h == sd->h)) return;
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sd->w = w;
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sd->h = h;
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_glview_update_surface(obj);
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elm_glview_changed_set(obj);
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}
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EAPI void
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elm_glview_size_get(const Evas_Object *obj,
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int *w,
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int *h)
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{
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ELM_GLVIEW_CHECK(obj);
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eo_do((Eo *) obj, elm_obj_glview_size_get(w, h));
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}
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static void
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_size_get(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
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{
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int *w = va_arg(*list, int *);
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int *h = va_arg(*list, int *);
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Elm_Glview_Smart_Data *sd = _pd;
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if (w) *w = sd->w;
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if (h) *h = sd->h;
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}
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EAPI void
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elm_glview_init_func_set(Evas_Object *obj,
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Elm_GLView_Func_Cb func)
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{
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ELM_GLVIEW_CHECK(obj);
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eo_do(obj, elm_obj_glview_init_func_set(func));
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}
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static void
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_init_func_set(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
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{
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Elm_GLView_Func_Cb func = va_arg(*list, Elm_GLView_Func_Cb);
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Elm_Glview_Smart_Data *sd = _pd;
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sd->initialized = EINA_FALSE;
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sd->init_func = func;
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}
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EAPI void
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elm_glview_del_func_set(Evas_Object *obj,
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Elm_GLView_Func_Cb func)
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{
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ELM_GLVIEW_CHECK(obj);
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eo_do(obj, elm_obj_glview_del_func_set(func));
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}
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static void
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_del_func_set(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
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{
|
|
Elm_GLView_Func_Cb func = va_arg(*list, Elm_GLView_Func_Cb);
|
|
Elm_Glview_Smart_Data *sd = _pd;
|
|
|
|
sd->del_func = func;
|
|
}
|
|
|
|
EAPI void
|
|
elm_glview_resize_func_set(Evas_Object *obj,
|
|
Elm_GLView_Func_Cb func)
|
|
{
|
|
ELM_GLVIEW_CHECK(obj);
|
|
eo_do(obj, elm_obj_glview_resize_func_set(func));
|
|
}
|
|
|
|
static void
|
|
_resize_func_set(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
|
|
{
|
|
Elm_GLView_Func_Cb func = va_arg(*list, Elm_GLView_Func_Cb);
|
|
Elm_Glview_Smart_Data *sd = _pd;
|
|
|
|
sd->resize_func = func;
|
|
}
|
|
|
|
EAPI void
|
|
elm_glview_render_func_set(Evas_Object *obj,
|
|
Elm_GLView_Func_Cb func)
|
|
{
|
|
ELM_GLVIEW_CHECK(obj);
|
|
eo_do(obj, elm_obj_glview_render_func_set(func));
|
|
}
|
|
|
|
static void
|
|
_render_func_set(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
|
|
{
|
|
Elm_GLView_Func_Cb func = va_arg(*list, Elm_GLView_Func_Cb);
|
|
Elm_Glview_Smart_Data *sd = _pd;
|
|
|
|
sd->render_func = func;
|
|
_set_render_policy_callback(obj);
|
|
}
|
|
|
|
EAPI void
|
|
elm_glview_changed_set(Evas_Object *obj)
|
|
{
|
|
ELM_GLVIEW_CHECK(obj);
|
|
eo_do(obj, elm_obj_glview_changed_set());
|
|
}
|
|
|
|
static void
|
|
_changed_set(Eo *obj, void *_pd, va_list *list EINA_UNUSED)
|
|
{
|
|
Elm_Glview_Smart_Data *sd = _pd;
|
|
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
|
|
|
|
evas_object_image_pixels_dirty_set
|
|
(wd->resize_obj, EINA_TRUE);
|
|
if (sd->render_policy == ELM_GLVIEW_RENDER_POLICY_ALWAYS &&
|
|
!sd->render_idle_enterer)
|
|
sd->render_idle_enterer =
|
|
ecore_idle_enterer_before_add((Ecore_Task_Cb)_render_cb, obj);
|
|
}
|
|
|
|
static void
|
|
_class_constructor(Eo_Class *klass)
|
|
{
|
|
const Eo_Op_Func_Description func_desc[] = {
|
|
EO_OP_FUNC(EO_BASE_ID(EO_BASE_SUB_ID_CONSTRUCTOR), _constructor),
|
|
|
|
EO_OP_FUNC(EVAS_OBJ_SMART_ID(EVAS_OBJ_SMART_SUB_ID_ADD), _elm_glview_smart_add),
|
|
EO_OP_FUNC(EVAS_OBJ_SMART_ID(EVAS_OBJ_SMART_SUB_ID_DEL), _elm_glview_smart_del),
|
|
EO_OP_FUNC(EVAS_OBJ_SMART_ID(EVAS_OBJ_SMART_SUB_ID_RESIZE), _elm_glview_smart_resize),
|
|
|
|
EO_OP_FUNC(ELM_WIDGET_ID(ELM_WIDGET_SUB_ID_ON_FOCUS), _elm_glview_smart_on_focus),
|
|
EO_OP_FUNC(ELM_WIDGET_ID(ELM_WIDGET_SUB_ID_TRANSLATE), _elm_glview_smart_translate),
|
|
|
|
EO_OP_FUNC(ELM_OBJ_GLVIEW_ID(ELM_OBJ_GLVIEW_SUB_ID_GL_API_GET), _gl_api_get),
|
|
EO_OP_FUNC(ELM_OBJ_GLVIEW_ID(ELM_OBJ_GLVIEW_SUB_ID_MODE_SET), _mode_set),
|
|
EO_OP_FUNC(ELM_OBJ_GLVIEW_ID(ELM_OBJ_GLVIEW_SUB_ID_RESIZE_POLICY_SET), _resize_policy_set),
|
|
EO_OP_FUNC(ELM_OBJ_GLVIEW_ID(ELM_OBJ_GLVIEW_SUB_ID_RENDER_POLICY_SET), _render_policy_set),
|
|
EO_OP_FUNC(ELM_OBJ_GLVIEW_ID(ELM_OBJ_GLVIEW_SUB_ID_SIZE_SET), _size_set),
|
|
EO_OP_FUNC(ELM_OBJ_GLVIEW_ID(ELM_OBJ_GLVIEW_SUB_ID_SIZE_GET), _size_get),
|
|
EO_OP_FUNC(ELM_OBJ_GLVIEW_ID(ELM_OBJ_GLVIEW_SUB_ID_INIT_FUNC_SET), _init_func_set),
|
|
EO_OP_FUNC(ELM_OBJ_GLVIEW_ID(ELM_OBJ_GLVIEW_SUB_ID_DEL_FUNC_SET), _del_func_set),
|
|
EO_OP_FUNC(ELM_OBJ_GLVIEW_ID(ELM_OBJ_GLVIEW_SUB_ID_RESIZE_FUNC_SET), _resize_func_set),
|
|
EO_OP_FUNC(ELM_OBJ_GLVIEW_ID(ELM_OBJ_GLVIEW_SUB_ID_RENDER_FUNC_SET), _render_func_set),
|
|
EO_OP_FUNC(ELM_OBJ_GLVIEW_ID(ELM_OBJ_GLVIEW_SUB_ID_CHANGED_SET), _changed_set),
|
|
EO_OP_FUNC_SENTINEL
|
|
};
|
|
eo_class_funcs_set(klass, func_desc);
|
|
|
|
evas_smart_legacy_type_register(MY_CLASS_NAME, klass);
|
|
}
|
|
|
|
static const Eo_Op_Description op_desc[] = {
|
|
EO_OP_DESCRIPTION(ELM_OBJ_GLVIEW_SUB_ID_GL_API_GET, "Get the gl api struct for gl rendering."),
|
|
EO_OP_DESCRIPTION(ELM_OBJ_GLVIEW_SUB_ID_MODE_SET, "Set the mode of the GLView."),
|
|
EO_OP_DESCRIPTION(ELM_OBJ_GLVIEW_SUB_ID_RESIZE_POLICY_SET, "Set the resize policy for the glview object."),
|
|
EO_OP_DESCRIPTION(ELM_OBJ_GLVIEW_SUB_ID_RENDER_POLICY_SET, "Set the render policy for the glview object."),
|
|
EO_OP_DESCRIPTION(ELM_OBJ_GLVIEW_SUB_ID_SIZE_SET, "Sets the size of the glview."),
|
|
EO_OP_DESCRIPTION(ELM_OBJ_GLVIEW_SUB_ID_SIZE_GET, "Get the size of the glview."),
|
|
EO_OP_DESCRIPTION(ELM_OBJ_GLVIEW_SUB_ID_INIT_FUNC_SET, "Set the init function that runs once in the main loop."),
|
|
EO_OP_DESCRIPTION(ELM_OBJ_GLVIEW_SUB_ID_DEL_FUNC_SET, "Set the render function that runs in the main loop."),
|
|
EO_OP_DESCRIPTION(ELM_OBJ_GLVIEW_SUB_ID_RESIZE_FUNC_SET, "Set the resize function that gets called when resize happens."),
|
|
EO_OP_DESCRIPTION(ELM_OBJ_GLVIEW_SUB_ID_RENDER_FUNC_SET, "Set the render function that runs in the main loop."),
|
|
EO_OP_DESCRIPTION(ELM_OBJ_GLVIEW_SUB_ID_CHANGED_SET, "Notifies that there has been changes in the GLView."),
|
|
EO_OP_DESCRIPTION_SENTINEL
|
|
};
|
|
|
|
static const Eo_Class_Description class_desc = {
|
|
EO_VERSION,
|
|
MY_CLASS_NAME,
|
|
EO_CLASS_TYPE_REGULAR,
|
|
EO_CLASS_DESCRIPTION_OPS(&ELM_OBJ_GLVIEW_BASE_ID, op_desc, ELM_OBJ_GLVIEW_SUB_ID_LAST),
|
|
NULL,
|
|
sizeof(Elm_Glview_Smart_Data),
|
|
_class_constructor,
|
|
NULL
|
|
};
|
|
|
|
EO_DEFINE_CLASS(elm_obj_glview_class_get, &class_desc, ELM_OBJ_WIDGET_CLASS, NULL);
|
|
|