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

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#define EFL_CANVAS_FILTER_INTERNAL_PROTECTED
#include "evas_common_private.h"
#include "evas_private.h"
#include "../../lib/efl/interfaces/efl_gfx_filter.eo.h"
#include "efl_canvas_filter_internal.eo.h"
#include "evas_filter.h"
#define MY_CLASS EFL_CANVAS_FILTER_INTERNAL_MIXIN
#define FCOW_BEGIN(_pd) ({ Evas_Object_Filter_Data *_fcow = eina_cow_write(evas_object_filter_cow, (const Eina_Cow_Data**)&(_pd->data)); _state_check(_fcow); _fcow; })
#define FCOW_END(_fcow, _pd) eina_cow_done(evas_object_filter_cow, (const Eina_Cow_Data**)&(_pd->data), _fcow, EINA_TRUE)
#define FCOW_WRITE(pd, name, value) do { \
if (pd->data->name != (value)) { \
fcow = FCOW_BEGIN(pd); \
fcow->name = (value); \
FCOW_END(fcow, pd); \
}} while (0)
typedef struct _Evas_Filter_Data Evas_Filter_Data;
typedef struct _Evas_Filter_Post_Render_Data Evas_Filter_Post_Render_Data;
struct _Evas_Object_Filter_Data
{
Evas_Object_Protected_Data *obj;
Eina_Stringshare *name;
Eina_Stringshare *code;
Evas_Filter_Program *chain;
Evas_Filter_Context *context;
Eina_Hash *sources; // Evas_Filter_Proxy_Binding
Eina_Inlist *data; // Evas_Filter_Data_Binding
Eina_Rectangle prev_obscured, obscured;
Evas_Filter_Padding prev_padding, padding;
void *output;
struct {
struct {
Eina_Stringshare *name;
double value;
} cur;
struct {
Eina_Stringshare *name;
double value;
} next;
double pos;
} state;
int obscured_changes;
Eina_Bool changed : 1;
Eina_Bool invalid : 1; // Code parse failed
Eina_Bool async : 1;
Eina_Bool reuse : 1;
};
struct _Evas_Filter_Data
{
const Evas_Object_Filter_Data *data;
};
struct _Evas_Filter_Post_Render_Data
{
Evas_Filter_Data *pd;
Evas_Filter_Context *ctx;
Eina_Bool success;
};
// FIXME: This should be enabled (with proper heuristics)
#define FILTER_CONTEXT_REUSE EINA_FALSE
static const Evas_Object_Filter_Data evas_filter_data_cow_default = {
.reuse = FILTER_CONTEXT_REUSE
};
Eina_Cow *evas_object_filter_cow = NULL;
void
evas_filter_mixin_init(void)
{
evas_object_filter_cow = eina_cow_add
("Evas Filter Data", sizeof(Evas_Object_Filter_Data), 8,
&evas_filter_data_cow_default, EINA_TRUE);
}
void
evas_filter_mixin_shutdown(void)
{
eina_cow_del(evas_object_filter_cow);
evas_object_filter_cow = NULL;
}
static inline void
_state_check(Evas_Object_Filter_Data *fcow)
{
if (!fcow->state.cur.name)
fcow->state.cur.name = eina_stringshare_add("default");
if (!fcow->state.next.name)
fcow->state.next.name = eina_stringshare_add("default");
}
static void
_filter_end_sync(Evas_Filter_Context *ctx, Evas_Object_Protected_Data *obj,
Evas_Filter_Data *pd, Eina_Bool success)
{
void *previous = pd->data->output;
Eina_Bool destroy = !pd->data->reuse;
Evas_Object_Filter_Data *fcow;
Eo *eo_obj = obj->object;
void *output = NULL;
if (!success)
{
ERR("Filter failed at runtime!");
evas_filter_invalid_set(eo_obj, EINA_TRUE);
evas_filter_dirty(eo_obj);
destroy = EINA_TRUE;
}
else
{
output = evas_filter_buffer_backing_get(ctx, EVAS_FILTER_BUFFER_OUTPUT_ID, EINA_FALSE);
FCOW_WRITE(pd, output, output);
}
if (previous)
ENFN->image_free(ENC, previous);
if (destroy && (ctx == pd->data->context))
{
evas_filter_context_unref(ctx); // local ref
FCOW_WRITE(pd, context, NULL);
}
evas_filter_context_unref(ctx); // run ref
efl_unref(eo_obj);
}
static void
_filter_async_post_render_cb(void *data)
{
Evas_Filter_Post_Render_Data *task = data;
Evas_Filter_Data *pd = task->pd;
#ifdef FILTERS_DEBUG
EINA_SAFETY_ON_FALSE_RETURN(eina_main_loop_is());
#endif
_filter_end_sync(task->ctx, pd->data->obj, pd, task->success);
free(task);
}
static void
_filter_cb(Evas_Filter_Context *ctx, void *data, Eina_Bool success)
{
Evas_Filter_Post_Render_Data *post_data;
Evas_Object_Protected_Data *obj;
Evas_Filter_Data *pd = data;
obj = pd->data->obj;
EVAS_OBJECT_DATA_VALID_CHECK(obj);
if (!pd->data->async)
{
_filter_end_sync(ctx, pd->data->obj, pd, success);
return;
}
#ifdef FILTERS_DEBUG
EINA_SAFETY_ON_FALSE_RETURN(!eina_main_loop_is());
#endif
post_data = calloc(1, sizeof(*post_data));
post_data->success = success;
post_data->ctx = ctx;
post_data->pd = pd;
evas_post_render_job_add(obj->layer->evas, _filter_async_post_render_cb, post_data);
}
void
_evas_filter_source_hash_free_cb(void *data)
{
Evas_Filter_Proxy_Binding *pb = data;
Evas_Object_Protected_Data *proxy, *source;
Evas_Filter_Data *pd;
proxy = efl_data_scope_get(pb->eo_proxy, EFL_CANVAS_OBJECT_CLASS);
source = efl_data_scope_get(pb->eo_source, EFL_CANVAS_OBJECT_CLASS);
if (source)
{
EINA_COW_WRITE_BEGIN(evas_object_proxy_cow, source->proxy,
Evas_Object_Proxy_Data, source_write)
source_write->proxies = eina_list_remove(source_write->proxies, pb->eo_proxy);
EINA_COW_WRITE_END(evas_object_proxy_cow, source->proxy, source_write)
}
pd = efl_data_scope_get(pb->eo_proxy, MY_CLASS);
if (pd && proxy)
{
if (!eina_hash_population(pd->data->sources))
{
EINA_COW_WRITE_BEGIN(evas_object_proxy_cow, proxy->proxy,
Evas_Object_Proxy_Data, proxy_write)
proxy_write->is_proxy = EINA_FALSE;
EINA_COW_WRITE_END(evas_object_proxy_cow, source->proxy, proxy_write)
}
}
eina_stringshare_del(pb->name);
free(pb);
}
static inline Eina_Bool
_evas_filter_state_set_internal(Evas_Filter_Program *pgm, Evas_Filter_Data *pd)
{
Efl_Canvas_Filter_State state = EFL_CANVAS_FILTER_STATE_DEFAULT;
evas_filter_state_prepare(pd->data->obj->object, &state, NULL);
state.cur.name = pd->data->state.cur.name;
state.cur.value = pd->data->state.cur.value;
state.next.name = pd->data->state.next.name;
state.next.value = pd->data->state.next.value;
state.pos = pd->data->state.pos;
return evas_filter_program_state_set(pgm, &state);
}
static inline Eina_Bool
_evas_filter_obscured_region_changed(Evas_Filter_Data *pd)
{
Eina_Rectangle inter;
inter = pd->data->prev_obscured;
if (eina_rectangle_is_empty(&pd->data->obscured) &&
eina_rectangle_is_empty(&inter))
return EINA_FALSE;
if (!eina_rectangle_intersection(&inter, &pd->data->obscured))
return EINA_TRUE;
if ((inter.w != pd->data->prev_obscured.w) ||
(inter.h != pd->data->prev_obscured.h))
return EINA_TRUE;
return EINA_FALSE;
}
Eina_Bool
evas_filter_object_render(Eo *eo_obj, Evas_Object_Protected_Data *obj,
void *engine, void *output, void *context, void *surface,
int x, int y, Eina_Bool do_async, Eina_Bool alpha)
{
Evas_Filter_Data *pd = efl_data_scope_get(eo_obj, MY_CLASS);
int X, Y, W, H;
Evas_Filter_Context *filter;
void *drawctx;
Eina_Bool ok;
void *previous = pd->data->output;
Evas_Object_Filter_Data *fcow;
Eina_Bool use_map = EINA_FALSE;
Evas_Filter_Padding pad;
if (pd->data->invalid || (!pd->data->chain && !pd->data->code))
return EINA_FALSE;
W = obj->cur->geometry.w;
H = obj->cur->geometry.h;
X = obj->cur->geometry.x;
Y = obj->cur->geometry.y;
// Prepare color multiplier
ENFN->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);
if (obj->cur->clipper)
ENFN->context_multiplier_set(engine, context,
obj->cur->clipper->cur->cache.clip.r,
obj->cur->clipper->cur->cache.clip.g,
obj->cur->clipper->cur->cache.clip.b,
obj->cur->clipper->cur->cache.clip.a);
else
ENFN->context_multiplier_unset(engine, context);
if (obj->map->cur.usemap && obj->map->cur.map && (obj->map->cur.map->count >= 4))
{
int iw, ih;
use_map = EINA_TRUE;
ENFN->image_size_get(engine, previous, &iw, &ih);
evas_object_map_update(eo_obj, x, y, iw, ih, iw, ih);
}
if (!pd->data->chain)
{
Evas_Filter_Program *pgm;
Eina_Bool invalid;
pgm = evas_filter_program_new(pd->data->name, alpha);
evas_filter_program_source_set_all(pgm, pd->data->sources);
evas_filter_program_data_set_all(pgm, pd->data->data);
_evas_filter_state_set_internal(pgm, pd);
invalid = !evas_filter_program_parse(pgm, pd->data->code);
if (invalid)
{
ERR("Filter program parsing failed");
evas_filter_program_del(pgm);
pgm = NULL;
}
fcow = FCOW_BEGIN(pd);
if (!invalid) evas_filter_program_padding_get(pgm, NULL, &fcow->padding);
fcow->chain = pgm;
fcow->invalid = invalid;
FCOW_END(fcow, pd);
if (invalid) return EINA_FALSE;
}
else if (previous && !pd->data->changed)
{
Eina_Bool redraw = EINA_TRUE;
if (_evas_filter_state_set_internal(pd->data->chain, pd))
DBG("Filter redraw by state change!");
else if (obj->changed)
DBG("Filter redraw by object content change!");
else if (obj->snapshot_needs_redraw)
DBG("Filter redraw by snapshot change!");
else if (_evas_filter_obscured_region_changed(pd))
DBG("Filter redraw by obscure regions change!");
else redraw = EINA_FALSE;
// Scan proxies to find if any changed
if (!redraw && pd->data->sources)
{
Evas_Filter_Proxy_Binding *pb;
Evas_Object_Protected_Data *source;
Eina_Iterator *iter;
iter = eina_hash_iterator_data_new(pd->data->sources);
EINA_ITERATOR_FOREACH(iter, pb)
{
source = efl_data_scope_get(pb->eo_source, EFL_CANVAS_OBJECT_CLASS);
if (source->changed)
{
redraw = EINA_TRUE;
break;
}
}
eina_iterator_free(iter);
}
if (!redraw)
{
// Render this image only
if (use_map)
{
ENFN->image_map_draw(engine, output, context, surface, previous,
obj->map->spans, EINA_TRUE, 0, do_async);
}
else
{
ENFN->image_draw(engine, output, context,
surface, previous,
0, 0, W, H, // src
X + x, Y + y, W, H, // dst
EINA_FALSE, // smooth
do_async);
}
return EINA_TRUE;
}
}
else
{
_evas_filter_state_set_internal(pd->data->chain, pd);
}
filter = pd->data->context;
if (filter)
{
int prev_w, prev_h;
Eina_Bool was_async;
was_async = evas_filter_context_async_get(filter);
evas_filter_context_size_get(filter, &prev_w, &prev_h);
if ((!pd->data->reuse) || (was_async != do_async) ||
(prev_w != W) || (prev_h != H))
{
evas_filter_context_unref(filter);
FCOW_WRITE(pd, context, NULL);
filter = NULL;
}
}
if (filter)
{
ok = evas_filter_context_program_use(engine, output, filter, pd->data->chain, EINA_TRUE, X, Y);
if (!ok)
{
evas_filter_context_unref(filter);
FCOW_WRITE(pd, context, NULL);
filter = NULL;
}
}
if (!filter)
{
filter = evas_filter_context_new(obj->layer->evas, do_async, 0);
// Run script
ok = evas_filter_context_program_use(engine, output, filter, pd->data->chain, EINA_FALSE, X, Y);
if (!filter || !ok)
{
ERR("Parsing failed?");
evas_filter_context_unref(filter);
FCOW_WRITE(pd, invalid, EINA_TRUE);
FCOW_WRITE(pd, context, NULL);
return EINA_FALSE;
}
}
// Proxies
evas_filter_context_proxy_render_all(filter, eo_obj, output, EINA_FALSE);
// Draw Context
drawctx = ENFN->context_new(engine);
ENFN->context_color_set(engine, drawctx, 255, 255, 255, 255);
// Set obscured region
evas_filter_context_obscured_region_set(filter, pd->data->obscured);
// Allocate all buffers now
evas_filter_context_buffers_allocate_all(filter);
evas_filter_target_set(filter, context, surface, X + x, Y + y,
use_map ? obj->map->spans : NULL);
// Request rendering from the object itself (child class)
evas_filter_program_padding_get(pd->data->chain, &pad, NULL);
ok = evas_filter_input_render(eo_obj, filter, engine, output, drawctx, NULL,
pad.l, pad.r, pad.t, pad.b, 0, 0, do_async);
if (!ok) ERR("Filter input render failed.");
ENFN->context_free(engine, drawctx);
// Add post-run callback and run filter
evas_filter_context_post_run_callback_set(filter, _filter_cb, pd);
fcow = FCOW_BEGIN(pd);
fcow->context = filter;
fcow->changed = EINA_FALSE;
fcow->async = do_async;
fcow->prev_obscured = fcow->obscured;
fcow->prev_padding = fcow->padding;
fcow->padding = pad;
fcow->invalid = EINA_FALSE;
FCOW_END(fcow, pd);
// Run the filter now (maybe async)
efl_ref(eo_obj);
ok = evas_filter_context_run(engine, output, filter);
if (!ok) ERR("Filter program failed to run!");
return ok;
}
EOLIAN static void
_efl_canvas_filter_internal_efl_gfx_filter_filter_program_set(Eo *eo_obj, Evas_Filter_Data *pd,
const char *code, const char *name)
{
Evas_Object_Protected_Data *obj;
Evas_Filter_Program *pgm = NULL;
Evas_Object_Filter_Data *fcow;
Eina_Bool invalid = pd->data->invalid;
Eina_Bool alpha;
obj = efl_data_scope_get(eo_obj, EFL_CANVAS_OBJECT_CLASS);
if (eina_streq(pd->data->code, code) && eina_streq(pd->data->name, name))
return;
evas_object_async_block(obj);
fcow = FCOW_BEGIN(pd);
{
fcow->obj = obj;
evas_filter_context_unref(fcow->context);
fcow->context = NULL;
// Parse filter program
evas_filter_program_del(fcow->chain);
eina_stringshare_replace(&fcow->name, name);
if (code)
{
alpha = evas_filter_input_alpha(eo_obj);
pgm = evas_filter_program_new(fcow->name, alpha);
evas_filter_program_source_set_all(pgm, fcow->sources);
evas_filter_program_data_set_all(pgm, fcow->data);
_evas_filter_state_set_internal(pgm, pd);
invalid = !evas_filter_program_parse(pgm, code);
if (invalid)
{
ERR("Parsing failed!");
evas_filter_program_del(pgm);
pgm = NULL;
}
else
{
evas_filter_program_padding_get(pgm, NULL, &fcow->padding);
}
}
fcow->chain = pgm;
fcow->changed = EINA_TRUE;
fcow->invalid = invalid;
eina_stringshare_replace(&fcow->code, code);
}
FCOW_END(fcow, pd);
evas_filter_dirty(eo_obj);
}
EOLIAN static void
_efl_canvas_filter_internal_efl_gfx_filter_filter_program_get(const Eo *eo_obj EINA_UNUSED, Evas_Filter_Data *pd, const char **code, const char **name)
{
if (code) *code = pd->data->code;
if (name) *name = pd->data->name;
}
EOLIAN static void
_efl_canvas_filter_internal_efl_gfx_filter_filter_source_set(Eo *eo_obj, Evas_Filter_Data *pd,
const char *name, Efl_Gfx_Entity *eo_source)
{
Evas_Object_Protected_Data *obj;
Evas_Filter_Proxy_Binding *pb, *pb_old = NULL;
Evas_Object_Protected_Data *source = NULL;
Evas_Object_Filter_Data *fcow = NULL;
Eina_Bool invalid = pd->data->invalid;
obj = efl_data_scope_get(eo_obj, EFL_CANVAS_OBJECT_CLASS);
if (eo_source)
source = efl_data_scope_get(eo_source, EFL_CANVAS_OBJECT_CLASS);
evas_object_async_block(obj);
if (!name)
{
if (!eo_source || !pd->data->sources) return;
if (eina_hash_del_by_data(pd->data->sources, eo_source))
goto update;
return;
}
if (!source && !pd->data->sources)
return;
if (pd->data->sources)
{
pb_old = eina_hash_find(pd->data->sources, name);
if (pb_old && (pb_old->eo_source == eo_source)) return;
}
fcow = FCOW_BEGIN(pd);
if (!fcow->sources)
fcow->sources = eina_hash_string_small_new(_evas_filter_source_hash_free_cb);
else if (pb_old)
eina_hash_del(fcow->sources, name, pb_old);
if (!source)
{
pb_old = eina_hash_find(fcow->sources, name);
if (!pb_old)
{
FCOW_END(fcow, pd);
return;
}
eina_hash_del_by_key(fcow->sources, name);
goto update;
}
pb = calloc(1, sizeof(*pb));
pb->eo_proxy = eo_obj;
pb->eo_source = eo_source;
pb->name = eina_stringshare_add(name);
if (!eina_list_data_find(source->proxy->proxies, eo_obj))
{
EINA_COW_WRITE_BEGIN(evas_object_proxy_cow, source->proxy, Evas_Object_Proxy_Data, source_write)
source_write->proxies = eina_list_append(source_write->proxies, eo_obj);
EINA_COW_WRITE_END(evas_object_proxy_cow, source->proxy, source_write)
}
if (!obj->proxy->is_proxy)
{
EINA_COW_WRITE_BEGIN(evas_object_proxy_cow, obj->proxy, Evas_Object_Proxy_Data, proxy_write)
proxy_write->is_proxy = EINA_TRUE;
EINA_COW_WRITE_END(evas_object_proxy_cow, obj->proxy, proxy_write)
}
eina_hash_add(fcow->sources, pb->name, pb);
evas_filter_program_source_set_all(fcow->chain, fcow->sources);
evas_filter_program_data_set_all(fcow->chain, fcow->data);
invalid = !evas_filter_program_parse(fcow->chain, fcow->code);
if (!invalid) evas_filter_program_padding_get(fcow->chain, NULL, &fcow->padding);
// Update object
update:
if (fcow)
{
fcow->changed = EINA_TRUE;
fcow->invalid = invalid;
FCOW_END(fcow, pd);
}
evas_filter_dirty(eo_obj);
}
EOLIAN static Efl_Gfx_Entity *
_efl_canvas_filter_internal_efl_gfx_filter_filter_source_get(const Eo *obj EINA_UNUSED, Evas_Filter_Data *pd,
const char * name)
{
Evas_Filter_Proxy_Binding *pb = eina_hash_find(pd->data->sources, name);
if (!pb) return NULL;
return pb->eo_source;
}
EOLIAN static void
_efl_canvas_filter_internal_efl_gfx_filter_filter_state_set(Eo *eo_obj, Evas_Filter_Data *pd,
const char *cur_state, double cur_val,
const char *next_state, double next_val,
double pos)
{
Evas_Object_Protected_Data *obj = efl_data_scope_get(eo_obj, EFL_CANVAS_OBJECT_CLASS);
evas_object_async_block(obj);
if ((cur_state != pd->data->state.cur.name) ||
(!EINA_DBL_EQ(cur_val, pd->data->state.cur.value)) ||
(next_state != pd->data->state.next.name) ||
(!EINA_DBL_EQ(next_val, pd->data->state.next.value)) ||
(!EINA_DBL_EQ(pos, pd->data->state.pos)))
{
Evas_Object_Filter_Data *fcow = FCOW_BEGIN(pd);
fcow->changed = 1;
eina_stringshare_replace(&fcow->state.cur.name, cur_state);
fcow->state.cur.value = cur_val;
eina_stringshare_replace(&fcow->state.next.name, next_state);
fcow->state.next.value = next_val;
fcow->state.pos = pos;
FCOW_END(fcow, pd);
if (pd->data->chain)
{
_evas_filter_state_set_internal(pd->data->chain, pd);
}
evas_filter_dirty(eo_obj);
}
}
EOLIAN static void
_efl_canvas_filter_internal_efl_gfx_filter_filter_state_get(const Eo *obj EINA_UNUSED, Evas_Filter_Data *pd,
const char **cur_state, double *cur_val,
const char **next_state, double *next_val,
double *pos)
{
if (cur_state) *cur_state = pd->data->state.cur.name;
if (cur_val) *cur_val = pd->data->state.cur.value;
if (next_state) *next_state = pd->data->state.next.name;
if (next_val) *next_val = pd->data->state.next.value;
if (pos) *pos = pd->data->state.pos;
}
EOLIAN static void
_efl_canvas_filter_internal_efl_gfx_filter_filter_padding_get(const Eo *eo_obj EINA_UNUSED, Evas_Filter_Data *pd,
int *l, int *r, int *t, int *b)
{
Evas_Filter_Padding pad = { 0, 0, 0, 0 };
if (pd->data->chain)
evas_filter_program_padding_get(pd->data->chain, &pad, NULL);
if (l) *l = pad.l;
if (r) *r = pad.r;
if (t) *t = pad.t;
if (b) *b = pad.b;
}
EOLIAN static void
_efl_canvas_filter_internal_filter_changed_set(Eo *eo_obj EINA_UNUSED, Evas_Filter_Data *pd, Eina_Bool val)
{
if ((&evas_filter_data_cow_default != pd->data) && (pd->data->changed != val))
{
Evas_Object_Filter_Data *fcow = FCOW_BEGIN(pd);
fcow->changed = val;
FCOW_END(fcow, pd);
}
}
EOLIAN static void
_efl_canvas_filter_internal_filter_invalid_set(Eo *eo_obj EINA_UNUSED, Evas_Filter_Data *pd, Eina_Bool val)
{
if (pd->data->invalid != val)
{
Evas_Object_Filter_Data *fcow = FCOW_BEGIN(pd);
fcow->invalid = val;
FCOW_END(fcow, pd);
}
}
EOLIAN static Efl_Object *
_efl_canvas_filter_internal_efl_object_constructor(Eo *eo_obj, Evas_Filter_Data *pd)
{
Eo *obj = NULL;
obj = efl_constructor(efl_super(eo_obj, MY_CLASS));
pd->data = eina_cow_alloc(evas_object_filter_cow);
return obj;
}
EOLIAN static void
_efl_canvas_filter_internal_efl_object_destructor(Eo *eo_obj, Evas_Filter_Data *pd)
{
Evas_Object_Protected_Data *obj;
Evas_Object_Filter_Data *fcow;
Evas_Filter_Data_Binding *db;
Evas_Public_Data *e;
Eina_Inlist *il;
if (!pd->data || (&evas_filter_data_cow_default == pd->data))
goto finish;
obj = efl_data_scope_get(eo_obj, EFL_CANVAS_OBJECT_CLASS);
e = obj->layer->evas;
if (pd->data->context)
{
evas_filter_context_unref(pd->data->context);
FCOW_WRITE(pd, context, NULL);
}
if (pd->data->output)
{
if (!pd->data->async)
ENFN->image_free(ENC, pd->data->output);
else
evas_unref_queue_image_put(e, pd->data->output);
}
eina_hash_free(pd->data->sources);
EINA_INLIST_FOREACH_SAFE(pd->data->data, il, db)
{
eina_stringshare_del(db->name);
eina_stringshare_del(db->value);
free(db);
}
evas_filter_program_del(pd->data->chain);
eina_stringshare_del(pd->data->code);
eina_stringshare_del(pd->data->state.cur.name);
eina_stringshare_del(pd->data->state.next.name);
finish:
eina_cow_free(evas_object_filter_cow, (const Eina_Cow_Data **) &pd->data);
efl_destructor(efl_super(eo_obj, MY_CLASS));
}
EOLIAN static void
_efl_canvas_filter_internal_efl_gfx_filter_filter_data_set(Eo *eo_obj, Evas_Filter_Data *pd,
const char *name, const char *value,
Eina_Bool execute)
{
Evas_Filter_Data_Binding *db, *found = NULL;
Evas_Object_Filter_Data *fcow;
Eina_Bool invalid = pd->data->invalid;
EINA_SAFETY_ON_NULL_RETURN(pd->data);
EINA_SAFETY_ON_NULL_RETURN(name);
EINA_INLIST_FOREACH(pd->data->data, db)
{
if (!strcmp(name, db->name))
{
if (db->execute == execute)
{
if ((value == db->value) || (value && db->value && !strcmp(value, db->value)))
return;
}
found = db;
break;
}
}
fcow = FCOW_BEGIN(pd);
{
if (found)
{
// Note: we are keeping references to NULL values here.
eina_stringshare_replace(&found->value, value);
found->execute = execute;
}
else if (value)
{
db = calloc(1, sizeof(Evas_Filter_Data_Binding));
db->name = eina_stringshare_add(name);
db->value = eina_stringshare_add(value);
db->execute = execute;
fcow->data = eina_inlist_append(fcow->data, EINA_INLIST_GET(db));
}
if (fcow->chain)
{
evas_filter_program_data_set_all(fcow->chain, fcow->data);
invalid = !evas_filter_program_parse(fcow->chain, fcow->code);
if (!invalid) evas_filter_program_padding_get(fcow->chain, NULL, &fcow->padding);
}
fcow->invalid = invalid;
fcow->changed = 1;
}
FCOW_END(fcow, pd);
evas_filter_dirty(eo_obj);
}
EOLIAN static void
_efl_canvas_filter_internal_efl_gfx_filter_filter_data_get(const Eo *obj EINA_UNUSED, Evas_Filter_Data *pd,
const char *name, const char **value,
Eina_Bool *execute)
{
Evas_Filter_Data_Binding *db;
if (!value && !execute) return;
EINA_SAFETY_ON_NULL_RETURN(pd->data);
EINA_INLIST_FOREACH(pd->data->data, db)
{
if (!strcmp(name, db->name))
{
if (value) *value = db->value;
if (execute) *execute = db->execute;
return;
}
}
if (value) *value = NULL;
if (execute) *execute = EINA_FALSE;
}
EOLIAN static void *
_efl_canvas_filter_internal_filter_output_buffer_get(const Eo *obj EINA_UNUSED, Evas_Filter_Data *pd)
{
return pd->data->output;
}
Eina_Bool
_evas_filter_obscured_regions_set(Evas_Object_Protected_Data *obj, const Eina_Tiler *tiler)
{
Evas_Object_Filter_Data *fcow;
Eina_Rectangle prev, rect = {};
Eina_Rectangle *r;
Evas_Filter_Data *pd;
Eina_Iterator *it;
Eina_Bool was_empty = EINA_FALSE, redraw = EINA_FALSE;
int obscured_changes = 0;
int area = 0;
// TODO: Can we handle more than one opaque region?
pd = efl_data_scope_get(obj->object, MY_CLASS);
if (!pd->data) return EINA_FALSE;
// Find largest opaque rect
it = eina_tiler_iterator_new(tiler);
EINA_ITERATOR_FOREACH(it, r)
{
int wh = r->w * r->h;
if (wh > area)
{
area = wh;
rect = *r;
}
}
eina_iterator_free(it);
prev = pd->data->prev_obscured;
if (!pd->data->changed && (!prev.w || !prev.h))
{
was_empty = EINA_TRUE;
obscured_changes = 0;
}
else if (memcmp(&rect, &prev, sizeof(rect)))
{
fcow = FCOW_BEGIN(pd);
fcow->obscured = rect;
obscured_changes = fcow->obscured_changes + 1;
if (obscured_changes > 2)
{
// Reset obscure as it changes too much
memset(&fcow->obscured, 0, sizeof(fcow->obscured));
obscured_changes = 0;
redraw = EINA_TRUE;
}
FCOW_END(fcow, pd);
}
FCOW_WRITE(pd, obscured_changes, obscured_changes);
if (redraw) return EINA_TRUE;
// Snapshot objects need to be redrawn if the padding has increased
if ((pd->data->prev_padding.l < pd->data->padding.l) ||
(pd->data->prev_padding.r < pd->data->padding.r) ||
(pd->data->prev_padding.t < pd->data->padding.t) ||
(pd->data->prev_padding.b < pd->data->padding.b))
return EINA_TRUE;
// Snapshot objects need to be redrawn if the obscured region has shrank
if (!was_empty && !_evas_eina_rectangle_inside(&pd->data->obscured, &prev))
return EINA_TRUE;
return EINA_FALSE;
}
void
_evas_filter_radius_get(Evas_Object_Protected_Data *obj, int *l, int *r, int *t, int *b)
{
Evas_Filter_Padding pad = {};
Evas_Filter_Data *pd;
pd = efl_data_scope_get(obj->object, MY_CLASS);
if (!pd->data || !pd->data->chain) goto end;
evas_filter_program_padding_get(pd->data->chain, NULL, &pad);
end:
if (l) *l = pad.l;
if (r) *r = pad.r;
if (t) *t = pad.t;
if (b) *b = pad.b;
}
#include "canvas/efl_canvas_filter_internal.eo.c"
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