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