static gboolean
process (GeglOperation *operation,
GeglBuffer *input,
GeglBuffer *output,
const GeglRectangle *result)
{
GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
GeglOperationAreaFilter *op_area = GEGL_OPERATION_AREA_FILTER (operation);
Babl *format = babl_format ("RGBA float");
GeglRectangle rect;
GeglRectangle boundary = get_effective_area (operation);
gint x, y;
gfloat *dst_buf, *src_buf;
rect.x = CLAMP (result->x - op_area->left, boundary.x, boundary.x +
boundary.width);
rect.width = CLAMP (result->width + op_area->left + op_area->right, 0,
boundary.width);
rect.y = CLAMP (result->y - op_area->top, boundary.y, boundary.y +
boundary.width);
rect.height = CLAMP (result->height + op_area->top + op_area->bottom, 0,
boundary.height);
dst_buf = g_new0 (gfloat, result->height * result->width * 4);
src_buf = g_new0 (gfloat, rect.height * rect.width * 4);
gegl_buffer_get (input, 1.0, result, format, dst_buf, GEGL_AUTO_ROWSTRIDE);
gegl_buffer_get (input, 1.0, &rect, format, src_buf, GEGL_AUTO_ROWSTRIDE);
if (o->horizontal)
{
for (y = result->y; y < result->y + result->height; y++)
if ((o->even && (y % 2 == 0)) || (!o->even && (y % 2 != 0)))
deinterlace_horizontal (src_buf, dst_buf, result, &rect, &boundary,
o->even ? 0 : 1,
y, o->size);
}
else
{
for (x = result->x; x < result->x + result->width; x++)
if ((o->even && (x % 2 == 0)) || (!o->even && (x % 2 != 0)))
deinterlace_vertical (src_buf, dst_buf, result, &rect, &boundary,
o->even ? 0 : 1,
x, o->size);
}
gegl_buffer_set (output, result, format, dst_buf, GEGL_AUTO_ROWSTRIDE);
g_free (src_buf);
g_free (dst_buf);
return TRUE;
}
static gboolean
process (GeglOperation *operation,
GeglBuffer *input,
GeglBuffer *output,
const GeglRectangle *result,
gint level)
{
GeglProperties *o = GEGL_PROPERTIES (operation);
GeglOperationAreaFilter *op_area = GEGL_OPERATION_AREA_FILTER (operation);
const Babl *format = babl_format ("RGBA float");
GeglRectangle rect;
GeglRectangle boundary = get_effective_area (operation);
gint x, y;
gfloat *dst_buf, *src_buf;
rect.x = CLAMP (result->x - op_area->left, boundary.x, boundary.x +
boundary.width);
rect.width = CLAMP (result->width + op_area->left + op_area->right, 0,
boundary.width);
rect.y = CLAMP (result->y - op_area->top, boundary.y, boundary.y +
boundary.width);
rect.height = CLAMP (result->height + op_area->top + op_area->bottom, 0,
boundary.height);
dst_buf = g_new0 (gfloat, result->height * result->width * 4);
src_buf = g_new0 (gfloat, rect.height * rect.width * 4);
gegl_buffer_get (input, result, 1.0, format, dst_buf,
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
gegl_buffer_get (input, &rect, 1.0, format, src_buf,
GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
if (o->orientation == GEGL_ORIENTATION_HORIZONTAL)
{
for (y = result->y; y < result->y + result->height; y++)
if ((o->keep == GEGL_DEINTERLACE_KEEP_EVEN && (y % 2 == 0)) ||
(o->keep == GEGL_DEINTERLACE_KEEP_ODD && (y % 2 != 0)))
{
deinterlace_horizontal (src_buf, dst_buf, result, &rect, &boundary,
o->keep,
y, o->size);
}
}
else
{
for (x = result->x; x < result->x + result->width; x++)
if ((o->keep == GEGL_DEINTERLACE_KEEP_EVEN && (x % 2 == 0)) ||
(o->keep == GEGL_DEINTERLACE_KEEP_ODD && (x % 2 != 0)))
{
deinterlace_vertical (src_buf, dst_buf, result, &rect, &boundary,
o->keep,
x, o->size);
}
}
gegl_buffer_set (output, result, 0, format, dst_buf, GEGL_AUTO_ROWSTRIDE);
g_free (src_buf);
g_free (dst_buf);
return TRUE;
}
