| author | francesco-ST <francesco.abbate@st.com> | 2010年09月14日 14:43:17 +0200 |
|---|---|---|
| committer | francesco-ST <francesco.abbate@st.com> | 2010年09月14日 14:43:17 +0200 |
| commit | b08f3d4033af5d7f2f5e715cef54a7e695de2a35 (patch) | |
| tree | 3801d3ca6fe628fe7e3bd71840d7b66707dfff32 /agg-plot/window.cpp | |
| parent | 6437833a3359390ce4126bb0934585e0345ccb32 (diff) | |
| download | gsl-shell-b08f3d4033af5d7f2f5e715cef54a7e695de2a35.tar.gz | |
| -rw-r--r-- | agg-plot/window.cpp | 72 |
diff --git a/agg-plot/window.cpp b/agg-plot/window.cpp index 72004a2b..51fe18d3 100644 --- a/agg-plot/window.cpp +++ b/agg-plot/window.cpp @@ -85,6 +85,27 @@ int window::ref::calculate(window::ref::node* t, const bmatrix& m, int id) } void +window::ref::save_image (agg::rendering_buffer& win_buf, + agg::rect_base<int>& r, + int img_bpp, bool flip_y) +{ + int w = r.x2 - r.x1, h = r.y2 - r.y1; + int row_len = w * (img_bpp / 8); + + if (layer_buf == 0) + { + unsigned int bufsize = row_len * h; + layer_buf = new(std::nothrow) unsigned char[bufsize]; + } + + if (layer_buf != 0) + { + layer_img.attach(layer_buf, w, h, flip_y ? -row_len : row_len); + rendering_buffer_get_region (layer_img, win_buf, r, img_bpp / 8); + } +} + +void window::draw_rec(ref::node *n) { ref::node::list *ls; @@ -168,24 +189,7 @@ window::save_slot_image(int slot_id) this->scale(mtx); agg::rect_base<int> r = rect_of_slot_matrix(mtx); - int w = r.x2 - r.x1, h = r.y2 - r.y1; - - unsigned img_bpp = this->bpp(); - int row_len = w * (img_bpp / 8); - - if (ref->layer_buf == 0) - { - unsigned int bufsize = row_len * h; - ref->layer_buf = new(std::nothrow) unsigned char[bufsize]; - ref->layer_img.attach(ref->layer_buf, w, h, this->flip_y() ? -row_len : row_len); - } - - if (ref->layer_buf != 0) - { - agg::rendering_buffer& img = ref->layer_img; - agg::rendering_buffer& win = this->rbuf_window(); - rendering_buffer_get_region (img, win, r, img_bpp / 8); - } + ref->save_image(this->rbuf_window(), r, this->bpp(), this->flip_y()); } } @@ -199,13 +203,18 @@ window::restore_slot_image(int slot_id) this->scale(mtx); agg::rect_base<int> r = rect_of_slot_matrix(mtx); - unsigned img_bpp = this->bpp(); - if (ref->layer_buf != 0) + if (ref->layer_buf == 0) + { + m_canvas->clear_box(r); + draw_slot_by_ref (*ref, false); + ref->save_image(this->rbuf_window(), r, this->bpp(), this->flip_y()); + } + else { agg::rendering_buffer& img = ref->layer_img; agg::rendering_buffer& win = this->rbuf_window(); - rendering_buffer_put_region (win, img, r, img_bpp / 8); + rendering_buffer_put_region (win, img, r, this->bpp() / 8); } } } @@ -239,6 +248,27 @@ 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) +{ + this->canvas_window::on_resize(sx, sy); + if (m_tree) + { + tree::walk_rec<window::ref, direction_e, dispose_buffer>(m_tree); + } +} + void window::cleanup_tree_rec (lua_State *L, int window_index, ref::node* n) { |