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#include "evas_common.h"
#include "evas_engine.h"
void
evas_outbuf_free(Outbuf *ob)
{
if (!ob) return;
if (ob->priv.buffer) evas_cache_image_drop(&ob->priv.buffer->cache_entry);
free(ob);
}
void
evas_outbuf_resize(Outbuf *ob, int w, int h)
{
if (!ob) return;
if ((ob->w == w) && (ob->h == h)) return;
ob->w = w;
ob->h = h;
if (ob->priv.buffer) evas_cache_image_drop(&ob->priv.buffer->cache_entry);
ob->priv.buffer = NULL;
}
Outbuf *
evas_outbuf_setup(int w, int h, int rot, Eina_Bool alpha, void *dest)
{
Outbuf *ob = NULL;
if (!(ob = calloc(1, sizeof(Outbuf)))) return NULL;
ob->w = w;
ob->h = h;
ob->rotation = rot;
ob->priv.dest = dest;
ob->priv.destination_alpha = alpha;
ob->priv.buffer =
(RGBA_Image *)evas_cache_image_data(evas_common_image_cache_get(),
w, h, ob->priv.dest,
1, EVAS_COLORSPACE_ARGB8888);
return ob;
}
RGBA_Image *
evas_outbuf_new_region_for_update(Outbuf *ob, int x, int y, int w, int h, int *cx, int *cy, int *cw, int *ch)
{
if (ob->priv.buffer)
{
*cx = x; *cy = y; *cw = w; *ch = h;
return ob->priv.buffer;
}
else
{
RGBA_Image *im;
*cx = 0; *cy = 0; *cw = w; *ch = h;
im = (RGBA_Image *)evas_cache_image_empty(evas_common_image_cache_get());
if (im)
{
im->cache_entry.flags.alpha = ob->priv.destination_alpha;
im = (RGBA_Image *)evas_cache_image_size_set(&im->cache_entry, w, h);
}
return im;
}
return NULL;
}
void
evas_outbuf_push_updated_region(Outbuf *ob, RGBA_Image *update, int x __UNUSED__, int y, int w, int h)
{
if (!ob->priv.dest) return;
if (!ob->priv.buffer)
{
Gfx_Func_Copy func;
func = evas_common_draw_func_copy_get(w, 0);
if (func)
{
DATA32 *dst, *src;
int yy = 0, bytes = 0;
bytes = ((w * sizeof(int)) * h);
for (yy = 0; yy < h; yy++)
{
src = update->image.data + (yy * update->cache_entry.w);
dst = (DATA32 *)((DATA8 *)(ob->priv.dest) +
((y + yy) * bytes));
func(src, dst, w);
}
}
}
}
void
evas_outbuf_free_region_for_update(Outbuf *ob, RGBA_Image *update)
{
if (!ob) return;
if (update != ob->priv.buffer) evas_cache_image_drop(&update->cache_entry);
}
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