efl/src/lib/evas/canvas/evas_object_rectangle.c

449 lines
17 KiB
C

#include "evas_common_private.h"
#include "evas_private.h"
#include "evas_render2.h"
#define MY_CLASS EFL_CANVAS_RECTANGLE_CLASS
/* private magic number for rectangle objects */
static const char o_type[] = "rectangle";
const char *o_rect_type = o_type;
/* private struct for rectangle object internal data */
typedef struct _Efl_Canvas_Rectangle_Data Efl_Canvas_Rectangle_Data;
struct _Efl_Canvas_Rectangle_Data
{
void *engine_data;
};
/* private methods for rectangle objects */
static void evas_object_rectangle_init(Evas_Object *eo_obj);
static void evas_object_rectangle_render(Evas_Object *eo_obj,
Evas_Object_Protected_Data *obj,
void *type_private_data,
void *engine, void *output, void *context, void *surface,
int x, int y, Eina_Bool do_async);
static void evas_object_rectangle_render_pre(Evas_Object *eo_obj,
Evas_Object_Protected_Data *obj,
void *type_private_data);
static void evas_object_rectangle_render_post(Evas_Object *eo_obj,
Evas_Object_Protected_Data *obj,
void *type_private_data);
static unsigned int evas_object_rectangle_id_get(Evas_Object *eo_obj);
static unsigned int evas_object_rectangle_visual_id_get(Evas_Object *eo_obj);
static void *evas_object_rectangle_engine_data_get(Evas_Object *eo_obj);
static int evas_object_rectangle_is_opaque(Evas_Object *eo_obj,
Evas_Object_Protected_Data *obj,
void *type_private_data);
static int evas_object_rectangle_was_opaque(Evas_Object *eo_obj,
Evas_Object_Protected_Data *obj,
void *type_private_data);
static void evas_object_rectangle_render2_walk(Evas_Object *eo_obj,
Evas_Object_Protected_Data *obj,
void *type_private_data,
void *updates,
int offx,
int offy);
#if 0 /* usless calls for a rect object. much more useful for images etc. */
static void evas_object_rectangle_store(Evas_Object *eo_obj);
static void evas_object_rectangle_unstore(Evas_Object *eo_obj);
static int evas_object_rectangle_is_visible(Evas_Object *eo_obj);
static int evas_object_rectangle_was_visible(Evas_Object *eo_obj);
static int evas_object_rectangle_is_inside(Evas_Object *eo_obj, double x, double y);
static int evas_object_rectangle_was_inside(Evas_Object *eo_obj, double x, double y);
#endif
static const Evas_Object_Func object_func =
{
/* methods (compulsory) */
NULL,
evas_object_rectangle_render,
evas_object_rectangle_render_pre,
evas_object_rectangle_render_post,
evas_object_rectangle_id_get,
evas_object_rectangle_visual_id_get,
evas_object_rectangle_engine_data_get,
/* these are optional. NULL = nothing */
NULL,
NULL,
NULL,
NULL,
evas_object_rectangle_is_opaque,
evas_object_rectangle_was_opaque,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL, // render_prepare
evas_object_rectangle_render2_walk
};
/* the actual api call to add a rect */
/* it has no other api calls as all properties are standard */
EAPI Evas_Object *
evas_object_rectangle_add(Evas *e)
{
MAGIC_CHECK(e, Evas, MAGIC_EVAS);
return NULL;
MAGIC_CHECK_END();
return efl_add(EFL_CANVAS_RECTANGLE_CLASS, e, efl_canvas_object_legacy_ctor(efl_added));
}
EOLIAN static Eo *
_efl_canvas_rectangle_efl_object_constructor(Eo *eo_obj, Efl_Canvas_Rectangle_Data *class_data EINA_UNUSED)
{
eo_obj = efl_constructor(efl_super(eo_obj, MY_CLASS));
evas_object_rectangle_init(eo_obj);
return eo_obj;
}
/* all nice and private */
static void
evas_object_rectangle_init(Evas_Object *eo_obj)
{
Evas_Object_Protected_Data *obj = efl_data_scope_get(eo_obj, EFL_CANVAS_OBJECT_CLASS);
/* set up methods (compulsory) */
obj->func = &object_func;
obj->private_data = efl_data_ref(eo_obj, MY_CLASS);
obj->type = o_type;
}
static void
evas_object_rectangle_render2_walk(Evas_Object *eo_obj,
Evas_Object_Protected_Data *obj,
void *type_private_data EINA_UNUSED,
void *updates, int offx, int offy)
{
Eina_Bool visible_is, visible_was;
unsigned int col_prev, col_cur;
if (obj->clip.clipees) return;
visible_is = evas_object_is_visible(eo_obj, obj);
if (!obj->changed) goto nochange;
if ((obj->cur->clipper) && (obj->cur->cache.clip.dirty))
evas_object_clip_recalc(obj->cur->clipper);
visible_was = evas_object_was_visible(eo_obj,obj);
// just became visible or invisible
if (visible_is != visible_was)
{
region_rect_add
(updates,
obj->cur->cache.clip.x - offx, obj->cur->cache.clip.y - offy,
obj->cur->cache.clip.w, obj->cur->cache.clip.h);
return;
}
// general change (prev and cur clip geom change)
col_prev = (obj->prev->color.a << 24) | (obj->prev->color.r << 16) |
(obj->prev->color.g << 8) | (obj->prev->color.b );
col_cur = (obj->cur->color.a << 24) | (obj->cur->color.r << 16) |
(obj->cur->color.g << 8) | (obj->cur->color.b );
if ((col_prev != col_cur) ||
((obj->cur->cache.clip.x != obj->prev->cache.clip.x) ||
(obj->cur->cache.clip.y != obj->prev->cache.clip.y) ||
(obj->cur->cache.clip.w != obj->prev->cache.clip.w) ||
(obj->cur->cache.clip.h != obj->prev->cache.clip.h)) ||
(obj->cur->render_op != obj->prev->render_op) ||
(obj->restack)
)
{
region_rect_add
(updates,
obj->prev->cache.clip.x - offx, obj->prev->cache.clip.y - offy,
obj->prev->cache.clip.w, obj->prev->cache.clip.h);
region_rect_add
(updates,
obj->cur->cache.clip.x - offx, obj->cur->cache.clip.y - offy,
obj->cur->cache.clip.w, obj->cur->cache.clip.h);
return;
}
nochange:
// object hasn't really changed
if ((visible_is) && (evas_object_is_opaque(eo_obj, obj)))
{
region_rect_del
(updates,
obj->cur->cache.clip.x - offx, obj->cur->cache.clip.y - offy,
obj->cur->cache.clip.w, obj->cur->cache.clip.h);
}
}
static void
evas_object_rectangle_render(Evas_Object *eo_obj EINA_UNUSED,
Evas_Object_Protected_Data *obj,
void *type_private_data EINA_UNUSED,
void *engine, void *output, void *context, void *surface, int x, int y, Eina_Bool do_async)
{
/* render object to surface with context, and offxet by x,y */
obj->layer->evas->engine.func->context_color_set(engine,
context,
obj->cur->cache.clip.r,
obj->cur->cache.clip.g,
obj->cur->cache.clip.b,
obj->cur->cache.clip.a);
obj->layer->evas->engine.func->context_anti_alias_set(engine, context,
obj->cur->anti_alias);
obj->layer->evas->engine.func->context_multiplier_unset(engine, context);
obj->layer->evas->engine.func->context_render_op_set(engine, context,
obj->cur->render_op);
obj->layer->evas->engine.func->rectangle_draw(engine,
output,
context,
surface,
obj->cur->geometry.x + x,
obj->cur->geometry.y + y,
obj->cur->geometry.w,
obj->cur->geometry.h,
do_async);
}
static void
evas_object_rectangle_render_pre(Evas_Object *eo_obj,
Evas_Object_Protected_Data *obj,
void *type_private_data EINA_UNUSED)
{
int is_v, was_v;
/* dont pre-render the obj twice! */
if (obj->pre_render_done) return;
obj->pre_render_done = EINA_TRUE;
/* pre-render phase. this does anything an object needs to do just before */
/* rendering. this could mean loading the image data, retrieving it from */
/* elsewhere, decoding video etc. */
/* then when this is done the object needs to figure if it changed and */
/* if so what and where and add the appropriate redraw rectangles */
/* if someone is clipping this obj - go calculate the clipper */
if (obj->cur->clipper)
{
if (obj->cur->cache.clip.dirty)
evas_object_clip_recalc(obj->cur->clipper);
obj->cur->clipper->func->render_pre(obj->cur->clipper->object,
obj->cur->clipper,
obj->cur->clipper->private_data);
}
/* now figure what changed and add draw rects */
/* if it just became visible or invisible */
is_v = evas_object_is_visible(eo_obj, obj);
was_v = evas_object_was_visible(eo_obj,obj);
if (!(is_v | was_v)) goto done;
if (is_v != was_v)
{
evas_object_render_pre_visible_change(&obj->layer->evas->clip_changes, eo_obj, is_v, was_v);
goto done;
}
if (obj->changed_map || obj->changed_src_visible)
{
evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, eo_obj, obj);
goto done;
}
/* it's not visible - we accounted for it appearing or not so just abort */
if (!is_v) goto done;
/* clipper changed this is in addition to anything else for obj */
evas_object_render_pre_clipper_change(&obj->layer->evas->clip_changes, eo_obj);
/* if we restacked (layer or just within a layer) and don't clip anyone */
if ((obj->restack) && (!obj->clip.clipees))
{
evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, eo_obj, obj);
goto done;
}
/* if it changed render op */
if (obj->cur->render_op != obj->prev->render_op)
{
evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, eo_obj, obj);
goto done;
}
/* if it changed color */
if ((obj->cur->color.r != obj->prev->color.r) ||
(obj->cur->color.g != obj->prev->color.g) ||
(obj->cur->color.b != obj->prev->color.b) ||
(obj->cur->color.a != obj->prev->color.a))
{
evas_object_render_pre_prev_cur_add(&obj->layer->evas->clip_changes, eo_obj, obj);
goto done;
}
/* it obviously didn't change - add a NO obscure - this "unupdates" this */
/* area so if there were updates for it they get wiped. don't do it if we */
/* arent fully opaque and we are visible */
if (evas_object_is_visible(eo_obj, obj) &&
evas_object_is_opaque(eo_obj, obj) &&
(!obj->clip.clipees))
{
Evas_Coord x, y, w, h;
x = obj->cur->cache.clip.x;
y = obj->cur->cache.clip.y;
w = obj->cur->cache.clip.w;
h = obj->cur->cache.clip.h;
if (obj->cur->clipper)
{
RECTS_CLIP_TO_RECT(x, y, w, h,
obj->cur->clipper->cur->cache.clip.x,
obj->cur->clipper->cur->cache.clip.y,
obj->cur->clipper->cur->cache.clip.w,
obj->cur->clipper->cur->cache.clip.h);
}
evas_render_update_del(obj->layer->evas,
x + obj->layer->evas->framespace.x,
y + obj->layer->evas->framespace.y,
w, h);
}
/* if it changed geometry - and obviously not visibility or color */
/* calculate differences since we have a constant color fill */
/* we really only need to update the differences */
if ((obj->cur->geometry.x != obj->prev->geometry.x) ||
(obj->cur->geometry.y != obj->prev->geometry.y) ||
(obj->cur->geometry.w != obj->prev->geometry.w) ||
(obj->cur->geometry.h != obj->prev->geometry.h))
{
evas_rects_return_difference_rects(&obj->layer->evas->clip_changes,
obj->cur->geometry.x,
obj->cur->geometry.y,
obj->cur->geometry.w,
obj->cur->geometry.h,
obj->prev->geometry.x,
obj->prev->geometry.y,
obj->prev->geometry.w,
obj->prev->geometry.h);
//// rl = evas_rects_return_difference_rects(obj->cur->cache.geometry.x,
//// obj->cur->cache.geometry.y,
//// obj->cur->cache.geometry.w,
//// obj->cur->cache.geometry.h,
//// obj->prev->cache.geometry.x,
//// obj->prev->cache.geometry.y,
//// obj->prev->cache.geometry.w,
//// obj->prev->cache.geometry.h);
goto done;
}
done:
evas_object_render_pre_effect_updates(&obj->layer->evas->clip_changes, eo_obj, is_v, was_v);
}
static void
evas_object_rectangle_render_post(Evas_Object *eo_obj EINA_UNUSED,
Evas_Object_Protected_Data *obj,
void *type_private_data EINA_UNUSED)
{
/* this moves the current data to the previous state parts of the object */
/* in whatever way is safest for the object. also if we don't need object */
/* data anymore we can free it if the object deems this is a good idea */
/* remove those pesky changes */
evas_object_clip_changes_clean(obj);
/* move cur to prev safely for object data */
evas_object_cur_prev(obj);
}
static int
evas_object_rectangle_is_opaque(Evas_Object *eo_obj EINA_UNUSED,
Evas_Object_Protected_Data *obj,
void *type_private_data EINA_UNUSED)
{
/* this returns 1 if the internal object data implies that the object is */
/* currently fully opaque over the entire rectangle it occupies */
if ((obj->map->cur.map) && (obj->map->cur.usemap)) return 0;
if (obj->cur->render_op == EVAS_RENDER_COPY)
return 1;
if (obj->cur->render_op != EVAS_RENDER_BLEND)
return 0;
return (obj->cur->cache.clip.a == 255) ? 1 : 0;
}
static int
evas_object_rectangle_was_opaque(Evas_Object *eo_obj EINA_UNUSED,
Evas_Object_Protected_Data *obj,
void *type_private_data EINA_UNUSED)
{
/* this returns 1 if the internal object data implies that the object was */
/* previously fully opaque over the entire rectangle it occupies */
if (obj->prev->render_op == EVAS_RENDER_COPY)
return 1;
if (obj->prev->render_op != EVAS_RENDER_BLEND)
return 0;
return (obj->prev->cache.clip.a == 255) ? 1 : 0;
}
static unsigned int evas_object_rectangle_id_get(Evas_Object *eo_obj)
{
Efl_Canvas_Rectangle_Data *o = efl_data_scope_get(eo_obj, MY_CLASS);
if (!o) return 0;
return MAGIC_OBJ_RECTANGLE;
}
static unsigned int evas_object_rectangle_visual_id_get(Evas_Object *eo_obj)
{
Efl_Canvas_Rectangle_Data *o = efl_data_scope_get(eo_obj, MY_CLASS);
if (!o) return 0;
return MAGIC_OBJ_SHAPE;
}
static void *evas_object_rectangle_engine_data_get(Evas_Object *eo_obj)
{
Efl_Canvas_Rectangle_Data *o = efl_data_scope_get(eo_obj, MY_CLASS);
return o->engine_data;
}
#if 0 /* usless calls for a rect object. much more useful for images etc. */
static void
evas_object_rectangle_store(Evas_Object *eo_obj)
{
/* store... nothing for rectangle objects... it's a bit silly */
/* but for others that may have expensive caluclations to do to */
/* generate the object data, hint that they might want to be pre-calced */
/* once and stored */
}
static void
evas_object_rectangle_unstore(Evas_Object *eo_obj)
{
/* store... nothing for rectangle objects... it's a bit silly */
}
static int
evas_object_rectangle_is_visible(Evas_Object *eo_obj)
{
/* this returns 1 if the internal object data would imply that it is */
/* visible (ie drawing it draws something. this is not to do with events */
return 1;
}
static int
evas_object_rectangle_was_visible(Evas_Object *eo_obj)
{
/* this returns 1 if the internal object data would imply that it was */
/* visible (ie drawing it draws something. this is not to do with events */
return 1;
}
static int
evas_object_rectangle_is_inside(Evas_Object *eo_obj, double x, double y)
{
/* this returns 1 if the canvas co-ordinates are inside the object based */
/* on object private data. not much use for rects, but for polys, images */
/* and other complex objects it might be */
return 1;
}
static int
evas_object_rectangle_was_inside(Evas_Object *eo_obj, double x, double y)
{
/* this returns 1 if the canvas co-ordinates were inside the object based */
/* on object private data. not much use for rects, but for polys, images */
/* and other complex objects it might be */
return 1;
}
#endif
#include "canvas/efl_canvas_rectangle.eo.c"