Evas: Filter: Add evas_object_image filter changes.

This is where the actual filtering takes place.  Kinda important to make it
work.

SVN revision: 58729
This commit is contained in:
Brett Nash 2011-04-19 06:16:21 +00:00
parent 9eaea94252
commit ba45fbee9e
1 changed files with 205 additions and 0 deletions

View File

@ -1988,6 +1988,164 @@ _proxy_subrender(Evas *e, Evas_Object *source)
}
/*
*
* Note that this is similar to proxy_subrender_recurse. It should be
* possible to merge I guess
*/
static void
image_filter_draw_under_recurse(Evas *e, Evas_Object *obj, Evas_Object *stop,
void *output, void *ctx, void *surface,
int x, int y)
{
Evas_Object *obj2;
if (obj->clip.clipees) return;
/* FIXME: Doing bounding box test */
if (!evas_object_is_in_output_rect(obj, stop->cur.geometry.x,
stop->cur.geometry.y,
stop->cur.geometry.w,
stop->cur.geometry.h))
return;
if (!evas_object_is_visible(obj)) return;
obj->pre_render_done = 1;
ctx = e->engine.func->context_new(output);
if (obj->smart.smart)
{
EINA_INLIST_FOREACH(evas_object_smart_members_get_direct(obj), obj2){
if (obj2 == stop) return;
image_filter_draw_under_recurse(e, obj2, stop, output, surface, ctx, x,y);
}
}
else
{
obj->func->render(obj, output, ctx, surface,x,y);
}
e->engine.func->context_free(output, ctx);
}
/*
* Draw all visible objects intersecting an object which are _beneath_ it.
*/
static void
image_filter_draw_under(Evas *e, Evas_Object *stop, void *output, void *ctx, void *surface, int dx, int dy)
{
Evas_Layer *lay;
int x,y;
x = stop->cur.geometry.x - dx;
y = stop->cur.geometry.y - dy;
EINA_INLIST_FOREACH(e->layers, lay)
{
Evas_Object *obj;
EINA_INLIST_FOREACH(lay->objects, obj)
{
if (obj->delete_me) continue;
if (obj == stop) return;
/* FIXME: Do bounding box check */
image_filter_draw_under_recurse(e, obj, stop, output, ctx, surface,
-x, -y);
}
}
e->engine.func->image_dirty_region(output, surface, 0, 0, 300, 300);
e->engine.func->output_flush(output);
}
/*
* Update the filtered object.
*
* Creates a new context, and renders stuff (filtered) onto that.
*/
Filtered_Image *
image_filter_update(Evas *e, Evas_Object *obj, void *src, int imagew, int imageh, int *outw, int *outh)
{
int w,h;
void *ctx;
Evas_Filter_Info *info;
void *surface;
Eina_Bool alpha;
info = obj->filter;
if (info->mode == EVAS_FILTER_MODE_BELOW)
{
w = obj->cur.geometry.w;
h = obj->cur.geometry.h;
evas_filter_get_size(info, w, h, &imagew, &imageh, EINA_TRUE);
alpha = EINA_FALSE;
}
else
{
evas_filter_get_size(info, imagew, imageh, &w, &h, EINA_FALSE);
alpha = e->engine.func->image_alpha_get(e->engine.data.output, src);
}
/* Certain filters may make alpha images anyway */
if (alpha == EINA_FALSE)
{
alpha = evas_filter_always_alpha(info);
}
surface = e->engine.func->image_map_surface_new(e->engine.data.output, w, h,
alpha);
if (info->mode == EVAS_FILTER_MODE_BELOW)
{
void *subsurface;
int disw,dish;
int dx,dy;
disw = obj->cur.geometry.w;
dish = obj->cur.geometry.h;
dx = (imagew - w) >> 1;
dy = (imageh - h) >> 1;
subsurface = e->engine.func->image_map_surface_new(
e->engine.data.output, imagew, imageh, 1);
ctx = e->engine.func->context_new(e->engine.data.output);
e->engine.func->context_color_set(e->engine.data.output, ctx, 0, 255, 0, 255);
e->engine.func->context_render_op_set(e->engine.data.output, ctx, EVAS_RENDER_COPY);
e->engine.func->rectangle_draw(e->engine.data.output, ctx,
subsurface, 0, 0, imagew, imageh);
image_filter_draw_under(e, obj, e->engine.data.output, ctx,
subsurface, dx, dy);
e->engine.func->context_free(e->engine.data.output, ctx);
ctx = e->engine.func->context_new(e->engine.data.output);
e->engine.func->image_draw_filtered(e->engine.data.output,
ctx, surface, subsurface, info);
e->engine.func->context_free(e->engine.data.output, ctx);
e->engine.func->image_map_surface_free(e->engine.data.output,
subsurface);
}
else
{
ctx = e->engine.func->context_new(e->engine.data.output);
e->engine.func->image_draw_filtered(e->engine.data.output,
ctx, surface, src, info);
e->engine.func->context_free(e->engine.data.output, ctx);
}
e->engine.func->image_dirty_region(e->engine.data.output, surface, 0,0,w,h);
if (outw) *outw = w;
if (outh) *outh = h;
return e->engine.func->image_filtered_save(src, surface,
obj->filter->key,
obj->filter->len);
}
static void
evas_object_image_unload(Evas_Object *obj, Eina_Bool dirty)
{
@ -2281,6 +2439,49 @@ evas_object_image_render(Evas_Object *obj, void *output, void *context, void *su
o->proxyrendering = 0;
}
/* Now check/update filter */
if (obj->filter && obj->filter->filter)
{
Filtered_Image *fi = NULL;
//printf("%p has filter: %s\n", obj,obj->filter->dirty?"dirty":"clean");
if (obj->filter->dirty)
{
if (obj->filter->mode != EVAS_FILTER_MODE_BELOW)
{
uint32_t len;
uint8_t *key;
uint8_t *evas_filter_key_get(void *, void *);
if (obj->filter->key) free(obj->filter->key);
key = evas_filter_key_get(obj->filter, &len);
obj->filter->key = key;
obj->filter->len = len;
fi = obj->layer->evas->engine.func->image_filtered_get(
o->engine_data, key, len);
if (obj->filter->cached && fi != obj->filter->cached)
{
obj->layer->evas->engine.func->image_filtered_free(
o->engine_data, obj->filter->cached);
obj->filter->cached = NULL;
}
}
else if (obj->filter->cached)
{
obj->layer->evas->engine.func->image_filtered_free(
o->engine_data, obj->filter->cached);
}
if (!fi)
fi = image_filter_update(obj->layer->evas, obj, pixels, imagew, imageh, &imagew, &imageh);
pixels = fi->image;
obj->filter->dirty = 0;
obj->filter->cached = fi;
}
else
{
fi = obj->filter->cached;
pixels = fi->image;
}
}
if (pixels)
{
@ -2768,6 +2969,10 @@ evas_object_image_render_pre(Evas_Object *obj)
}
}
}
if (obj->filter && obj->filter->dirty)
{
evas_object_render_pre_prev_cur_add(&e->clip_changes, obj);
}
/* 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 */
/* aren't fully opaque and we are visible */