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app: update projection-buffer extent when projectable size changes

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In GimpProjection, when the projectable's size changes, while its
offset remains the same, simply update the projection buffer's
extent, instead of allocating a new buffer and copying the contents
over.
This commit is contained in:
Ell
2019-08-13 17:39:14 +03:00
parent b4ee9ff055
commit 1577174739
1 changed files with 27 additions and 22 deletions
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17
app/core/gimpprojection.c
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@ -1042,6 +1042,12 @@ gimp_projection_projectable_bounds_changed (GimpProjectable *projectable,
gimp_projection_chunk_render_stop (proj, TRUE);
if (dx == 0 && dy == 0)
{
gimp_tile_handler_validate_buffer_set_extent (old_buffer, &bounding_box);
}
else
{
old_validate_handler = proj->priv->validate_handler;
proj->priv->buffer = NULL;
@ -1049,7 +1055,8 @@ gimp_projection_projectable_bounds_changed (GimpProjectable *projectable,
gimp_projection_allocate_buffer (proj);
gimp_tile_handler_validate_buffer_copy (old_buffer,
gimp_tile_handler_validate_buffer_copy (
old_buffer,
GEGL_RECTANGLE (int_bounds.x - old_x,
int_bounds.y - old_y,
int_bounds.width,
@ -1060,14 +1067,12 @@ gimp_projection_projectable_bounds_changed (GimpProjectable *projectable,
int_bounds.width,
int_bounds.height));
if (old_validate_handler)
{
gimp_tile_handler_validate_unassign (old_validate_handler, old_buffer);
gimp_tile_handler_validate_unassign (old_validate_handler,
old_buffer);
g_object_unref (old_validate_handler);
}
g_object_unref (old_buffer);
}
if (proj->priv->update_region)
{