| author | Francesco Abbate <francesco.bbt@gmail.com> | 2010年09月14日 00:11:52 +0200 |
|---|---|---|
| committer | Francesco Abbate <francesco.bbt@gmail.com> | 2010年09月14日 00:11:52 +0200 |
| commit | 5579b4915465dbbe1067b439795385ecbb589b9e (patch) | |
| tree | eef1fe944bbda9b26eab0ea7d77a33d1c7de241d /agg-plot/window.cpp | |
| parent | 58a6cc09db4235d47adc2afd0df7ea0709d8eace (diff) | |
| download | gsl-shell-5579b4915465dbbe1067b439795385ecbb589b9e.tar.gz | |
| -rw-r--r-- | agg-plot/window.cpp | 94 |
diff --git a/agg-plot/window.cpp b/agg-plot/window.cpp index fb4c86a5..78b81a68 100644 --- a/agg-plot/window.cpp +++ b/agg-plot/window.cpp @@ -14,11 +14,12 @@ extern "C" { #include "colors.h" #include "lua-plot-cpp.h" #include "split-parser.h" +#include "platform_support_ext.h" __BEGIN_DECLS -static int window_free (lua_State *L); -static int window_split (lua_State *L); +static int window_free (lua_State *L); +static int window_split (lua_State *L); static const struct luaL_Reg window_functions[] = { {"window", window_new}, @@ -158,16 +159,67 @@ window::draw_slot(int slot_id, bool clean_req) } void +window::save_slot_image(int slot_id) +{ + ref *ref = window::ref_lookup (this->m_tree, slot_id); + if (ref != 0) + { + agg::trans_affine mtx(ref->matrix); + 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); + } + } +} + +void +window::restore_slot_image(int slot_id) +{ + ref *ref = window::ref_lookup (this->m_tree, slot_id); + if (ref != 0) + { + agg::trans_affine mtx(ref->matrix); + this->scale(mtx); + + agg::rect_base<int> r = rect_of_slot_matrix(mtx); + unsigned img_bpp = this->bpp(); + + if (ref->layer_buf != 0) + { + agg::rendering_buffer& img = ref->layer_img; + agg::rendering_buffer& win = this->rbuf_window(); + rendering_buffer_put_region (win, img, r, img_bpp / 8); + } + } +} + +void window::refresh_slot_by_ref(ref& ref) { agg::trans_affine mtx(ref.matrix); this->scale(mtx); - agg::rect_base<double> bb; AGG_LOCK(); try { - plot_type::iterator *current = ref.plot->drawing_start(); - while (ref.plot->draw_queue(*m_canvas, mtx, bb, current)) + agg::rect_base<double> bb; + 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); @@ -367,6 +419,38 @@ window_update (lua_State *L) return 0; } +int +window_save_slot_image (lua_State *L) +{ + window *win = object_check<window>(L, 1, GS_WINDOW); + int slot_id = luaL_checkinteger (L, 2); + + win->lock(); + if (win->status == canvas_window::running) + { + win->save_slot_image(slot_id); + } + win->unlock(); + + return 0; +} + +int +window_restore_slot_image (lua_State *L) +{ + window *win = object_check<window>(L, 1, GS_WINDOW); + int slot_id = luaL_checkinteger (L, 2); + + win->lock(); + if (win->status == canvas_window::running) + { + win->restore_slot_image(slot_id); + } + win->unlock(); + + return 0; +} + void window_register (lua_State *L) { |