gsl-shell.git - gsl-shell

diff --git a/agg-plot/window.cpp b/agg-plot/window.cpp
index 51fe18d3..2a01999a 100644
--- a/agg-plot/window.cpp
+++ b/agg-plot/window.cpp

@@ -36,6 +36,17 @@ static const struct luaL_Reg window_methods[] = {

__END_DECLS

+struct dispose_buffer {

+ static void func (window::ref& ref)

+ {

+ if (ref.layer_buf)

+ {

+ delete [] ref.layer_buf;

+ ref.layer_buf = 0;

+ }

+ }

+};

+

agg::rect_base<int> rect_of_slot_matrix (const agg::trans_affine& mtx)

{

return agg::rect_base<int>(mtx.tx, mtx.ty, mtx.sx + mtx.tx, mtx.sy + mtx.ty);

@@ -163,7 +174,9 @@ void window::draw_slot_by_ref(window::ref& ref, bool update_req)

AGG_UNLOCK();

if (update_req)

- platform_support_update_region (this, r);

+ {

+ platform_support_update_region (this, r);

+ }

}

void

@@ -173,7 +186,10 @@ window::draw_slot(int slot_id, bool clean_req)

if (ref && m_canvas)

{

if (clean_req || ref->plot->need_redraw())

- draw_slot_by_ref(*ref, true);

+ {

+ draw_slot_by_ref(*ref, true);

+ dispose_buffer::func(*ref);

+ }

refresh_slot_by_ref(*ref);

}

@@ -209,6 +225,7 @@ window::restore_slot_image(int slot_id)

m_canvas->clear_box(r);

draw_slot_by_ref (*ref, false);

ref->save_image(this->rbuf_window(), r, this->bpp(), this->flip_y());

+ ref->dirty_rect.clear();

}

else

{

@@ -231,9 +248,12 @@ window::refresh_slot_by_ref(ref& ref)

if (ref.plot->draw_queue(*m_canvas, mtx, bb))

{

agg::rect_base<int> bbw(bb.x1 - 4, bb.y1 - 4, bb.x2 + 4, bb.y2 + 4);

- platform_support_update_region (this, bbw);

+ agg::rect_base<int> dbox;

+ ref.dirty_rect.compose(dbox, bbw);

+ platform_support_update_region (this, dbox);

+ ref.dirty_rect.set(bbw);

}

- }

+ }

catch (std::bad_alloc&) { }

AGG_UNLOCK();

}

@@ -248,17 +268,6 @@ window::on_draw()

draw_rec(m_tree);

}

-struct dispose_buffer {

- static void func (window::ref& ref)

- {

- if (ref.layer_buf)

- {

- delete [] ref.layer_buf;

- ref.layer_buf = 0;

- }

- }

-};

-

void

window::on_resize(int sx, int sy)

{