forked from enlightenment/efl
316 lines
12 KiB
C
316 lines
12 KiB
C
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#include "evas_common_private.h"
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#include "evas_private.h"
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#include "evas_vg_root_node.eo.h"
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#define MY_CLASS EVAS_VG_CLASS
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/* private magic number for rectangle objects */
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static const char o_type[] = "rectangle";
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const char *o_vg_type = o_type;
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/* private struct for rectangle object internal data */
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typedef struct _Evas_VG_Data Evas_VG_Data;
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struct _Evas_VG_Data
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{
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void *engine_data;
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Evas_VG_Node *root;
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};
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static void evas_object_vg_render(Evas_Object *eo_obj,
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Evas_Object_Protected_Data *obj,
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void *type_private_data,
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void *output, void *context, void *surface,
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int x, int y, Eina_Bool do_async);
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static void evas_object_vg_render_pre(Evas_Object *eo_obj,
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Evas_Object_Protected_Data *obj,
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void *type_private_data);
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static void evas_object_vg_render_post(Evas_Object *eo_obj,
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Evas_Object_Protected_Data *obj,
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void *type_private_data);
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static unsigned int evas_object_vg_id_get(Evas_Object *eo_obj);
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static unsigned int evas_object_vg_visual_id_get(Evas_Object *eo_obj);
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static void *evas_object_vg_engine_data_get(Evas_Object *eo_obj);
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static int evas_object_vg_is_opaque(Evas_Object *eo_obj,
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Evas_Object_Protected_Data *obj,
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void *type_private_data);
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static int evas_object_vg_was_opaque(Evas_Object *eo_obj,
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Evas_Object_Protected_Data *obj,
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void *type_private_data);
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static const Evas_Object_Func object_func =
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{
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/* methods (compulsory) */
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NULL,
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evas_object_vg_render,
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evas_object_vg_render_pre,
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evas_object_vg_render_post,
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evas_object_vg_id_get,
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evas_object_vg_visual_id_get,
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evas_object_vg_engine_data_get,
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/* these are optional. NULL = nothing */
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NULL,
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NULL,
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NULL,
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NULL,
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evas_object_vg_is_opaque,
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evas_object_vg_was_opaque,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL
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};
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/* the actual api call to add a vector graphic object */
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EAPI Evas_Object *
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evas_object_vg_add(Evas *e)
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{
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MAGIC_CHECK(e, Evas, MAGIC_EVAS);
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return NULL;
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MAGIC_CHECK_END();
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Evas_Object *eo_obj = eo_add(MY_CLASS, e);
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return eo_obj;
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}
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void
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_evas_vg_root_node_set(Eo *obj EINA_UNUSED, Evas_VG_Data *pd, Evas_VG_Node *container)
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{
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Evas_VG_Node *tmp;
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tmp = pd->root;
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pd->root = eo_ref(container);
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eo_unref(tmp);
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}
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Evas_VG_Node *
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_evas_vg_root_node_get(Eo *obj EINA_UNUSED, Evas_VG_Data *pd)
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{
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return pd->root;
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}
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void
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_evas_vg_eo_base_constructor(Eo *eo_obj, Evas_VG_Data *pd EINA_UNUSED)
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{
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Evas_Object_Protected_Data *obj = eo_data_scope_get(eo_obj, EVAS_OBJECT_CLASS);
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Eo *parent = NULL;
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eo_do_super(eo_obj, MY_CLASS, eo_constructor());
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/* set up methods (compulsory) */
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obj->func = &object_func;
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obj->private_data = eo_data_ref(eo_obj, MY_CLASS);
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obj->type = o_type;
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eo_do(eo_obj, parent = eo_parent_get());
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evas_object_inject(eo_obj, obj, evas_object_evas_get(parent));
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}
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static void
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evas_object_vg_render(Evas_Object *eo_obj EINA_UNUSED,
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Evas_Object_Protected_Data *obj EINA_UNUSED,
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void *type_private_data EINA_UNUSED,
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void *output EINA_UNUSED, void *context EINA_UNUSED, void *surface EINA_UNUSED,
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int x EINA_UNUSED, int y EINA_UNUSED, Eina_Bool do_async EINA_UNUSED)
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{
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/* render object to surface with context, and offxet by x,y */
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/* obj->layer->evas->engine.func->context_color_set(output, */
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/* context, */
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/* obj->cur->cache.clip.r, */
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/* obj->cur->cache.clip.g, */
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/* obj->cur->cache.clip.b, */
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/* obj->cur->cache.clip.a); */
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/* obj->layer->evas->engine.func->context_anti_alias_set(output, context, */
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/* obj->cur->anti_alias); */
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/* obj->layer->evas->engine.func->context_multiplier_unset(output, */
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/* context); */
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/* obj->layer->evas->engine.func->context_render_op_set(output, context, */
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/* obj->cur->render_op); */
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/* obj->layer->evas->engine.func->rectangle_draw(output, */
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/* context, */
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/* surface, */
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/* obj->cur->geometry.x + x, */
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/* obj->cur->geometry.y + y, */
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/* obj->cur->geometry.w, */
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/* obj->cur->geometry.h, */
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/* do_async); */
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// FIXME: I guess I should create an image, get the pixels data and
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// start using that for Cairo.
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}
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static void
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evas_object_vg_render_pre(Evas_Object *eo_obj,
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Evas_Object_Protected_Data *obj,
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void *type_private_data EINA_UNUSED)
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{
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int is_v, was_v;
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// FIXME: Later on start doing precalc of span and stuff for all shape.
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/* dont pre-render the obj twice! */
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if (obj->pre_render_done) return;
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obj->pre_render_done = EINA_TRUE;
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/* pre-render phase. this does anything an object needs to do just before */
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/* rendering. this could mean loading the image data, retrieving it from */
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/* elsewhere, decoding video etc. */
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/* then when this is done the object needs to figure if it changed and */
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/* if so what and where and add the appropriate redraw rectangles */
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/* if someone is clipping this obj - go calculate the clipper */
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if (obj->cur->clipper)
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{
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if (obj->cur->cache.clip.dirty)
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evas_object_clip_recalc(obj->cur->clipper);
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obj->cur->clipper->func->render_pre(obj->cur->clipper->object,
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obj->cur->clipper,
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obj->cur->clipper->private_data);
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}
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/* now figure what changed and add draw rects */
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/* if it just became visible or invisible */
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is_v = evas_object_is_visible(eo_obj, obj);
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was_v = evas_object_was_visible(eo_obj,obj);
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if (!(is_v | was_v)) goto done;
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if (is_v != was_v)
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{
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evas_object_render_pre_visible_change(&obj->layer->evas->clip_changes, eo_obj, is_v, was_v);
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goto done;
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}
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if (obj->changed_map || obj->changed_src_visible)
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{
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evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, eo_obj, obj);
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goto done;
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}
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/* it's not visible - we accounted for it appearing or not so just abort */
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if (!is_v) goto done;
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/* clipper changed this is in addition to anything else for obj */
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evas_object_render_pre_clipper_change(&obj->layer->evas->clip_changes, eo_obj);
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/* if we restacked (layer or just within a layer) and don't clip anyone */
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if ((obj->restack) && (!obj->clip.clipees))
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{
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evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, eo_obj, obj);
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goto done;
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}
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/* if it changed render op */
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if (obj->cur->render_op != obj->prev->render_op)
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{
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evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, eo_obj, obj);
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goto done;
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}
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/* if it changed color */
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if ((obj->cur->color.r != obj->prev->color.r) ||
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(obj->cur->color.g != obj->prev->color.g) ||
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(obj->cur->color.b != obj->prev->color.b) ||
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(obj->cur->color.a != obj->prev->color.a))
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{
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evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, eo_obj, obj);
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goto done;
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}
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/* if it changed geometry - and obviously not visibility or color */
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/* calculate differences since we have a constant color fill */
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/* we really only need to update the differences */
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if ((obj->cur->geometry.x != obj->prev->geometry.x) ||
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(obj->cur->geometry.y != obj->prev->geometry.y) ||
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(obj->cur->geometry.w != obj->prev->geometry.w) ||
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(obj->cur->geometry.h != obj->prev->geometry.h))
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{
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evas_rects_return_difference_rects(&obj->layer->evas->clip_changes,
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obj->cur->geometry.x,
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obj->cur->geometry.y,
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obj->cur->geometry.w,
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obj->cur->geometry.h,
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obj->prev->geometry.x,
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obj->prev->geometry.y,
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obj->prev->geometry.w,
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obj->prev->geometry.h);
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goto done;
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}
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/* it obviously didn't change - add a NO obscure - this "unupdates" this */
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/* area so if there were updates for it they get wiped. don't do it if we */
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/* arent fully opaque and we are visible */
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if (evas_object_is_visible(eo_obj, obj) &&
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evas_object_is_opaque(eo_obj, obj) &&
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(!obj->clip.clipees))
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{
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Evas_Coord x, y, w, h;
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x = obj->cur->cache.clip.x;
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y = obj->cur->cache.clip.y;
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w = obj->cur->cache.clip.w;
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h = obj->cur->cache.clip.h;
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if (obj->cur->clipper)
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{
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RECTS_CLIP_TO_RECT(x, y, w, h,
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obj->cur->clipper->cur->cache.clip.x,
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obj->cur->clipper->cur->cache.clip.y,
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obj->cur->clipper->cur->cache.clip.w,
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obj->cur->clipper->cur->cache.clip.h);
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}
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obj->layer->evas->engine.func->output_redraws_rect_del
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(obj->layer->evas->engine.data.output,
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x + obj->layer->evas->framespace.x,
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y + obj->layer->evas->framespace.y,
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w, h);
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}
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done:
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evas_object_render_pre_effect_updates(&obj->layer->evas->clip_changes, eo_obj, is_v, was_v);
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}
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static void
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evas_object_vg_render_post(Evas_Object *eo_obj,
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Evas_Object_Protected_Data *obj EINA_UNUSED,
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void *type_private_data EINA_UNUSED)
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{
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/* this moves the current data to the previous state parts of the object */
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/* in whatever way is safest for the object. also if we don't need object */
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/* data anymore we can free it if the object deems this is a good idea */
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/* remove those pesky changes */
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evas_object_clip_changes_clean(eo_obj);
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/* move cur to prev safely for object data */
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evas_object_cur_prev(eo_obj);
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}
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static unsigned int
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evas_object_vg_id_get(Evas_Object *eo_obj)
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{
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Evas_VG_Data *o = eo_data_scope_get(eo_obj, MY_CLASS);
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if (!o) return 0;
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return MAGIC_OBJ_VG;
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}
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static unsigned int
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evas_object_vg_visual_id_get(Evas_Object *eo_obj)
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{
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Evas_VG_Data *o = eo_data_scope_get(eo_obj, MY_CLASS);
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if (!o) return 0;
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return MAGIC_OBJ_SHAPE;
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}
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static void *
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evas_object_vg_engine_data_get(Evas_Object *eo_obj)
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{
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Evas_VG_Data *o = eo_data_scope_get(eo_obj, MY_CLASS);
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return o->engine_data;
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}
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static int
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evas_object_vg_is_opaque(Evas_Object *eo_obj EINA_UNUSED,
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Evas_Object_Protected_Data *obj EINA_UNUSED,
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void *type_private_data EINA_UNUSED)
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{
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return 0;
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}
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static int
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evas_object_vg_was_opaque(Evas_Object *eo_obj EINA_UNUSED,
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Evas_Object_Protected_Data *obj EINA_UNUSED,
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void *type_private_data EINA_UNUSED)
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{
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return 0;
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}
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#include "evas_vg.eo.c"
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