Reorganized source code and directory tree.
git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1375 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Yves Rizoud
391
src/layers.c
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391
src/layers.c
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/* vim:expandtab:ts=2 sw=2:
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*/
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/* Grafx2 - The Ultimate 256-color bitmap paint program
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Copyright 2009 Yves Rizoud
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Copyright 2007 Adrien Destugues
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Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud)
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Grafx2 is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2
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of the License.
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Grafx2 is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Grafx2; if not, see <http://www.gnu.org/licenses/>
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*/
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#include "const.h"
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#include "struct.h"
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#include "global.h"
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#include "windows.h"
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#include "engine.h"
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#include "pages.h"
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#include "sdlscreen.h"
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#include "input.h"
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#include "help.h"
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#include "misc.h"
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void Layer_activate(byte layer, short side)
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{
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word old_layers;
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if (layer >= Main_backups->Pages->Nb_layers)
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return;
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// Keep a copy of which layers were visible
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old_layers = Main_layers_visible;
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#ifndef NOLAYERS
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if (side == RIGHT_SIDE)
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{
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// Right-click on current layer
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if (Main_current_layer == layer)
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{
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if (Main_layers_visible == (dword)(1<<layer))
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{
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// Set all layers visible
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Main_layers_visible = 0xFFFFFFFF;
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}
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else
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{
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// Set only this one visible
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Main_layers_visible = 1<<layer;
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}
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}
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else
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{
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// Right-click on an other layer : toggle its visibility
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Main_layers_visible ^= 1<<layer;
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}
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}
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else
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{
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// Left-click on any layer
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Main_current_layer = layer;
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Main_layers_visible |= 1<<layer;
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}
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#else
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// Handler for limited layers support: only allow one visible at a time
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if (side == LEFT_SIDE)
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{
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Main_current_layer = layer;
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Main_layers_visible = 1<<layer;
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Update_screen_targets();
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}
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#endif
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Hide_cursor();
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if (Main_layers_visible != old_layers)
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Redraw_layered_image();
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else
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Update_depth_buffer(); // Only need the depth buffer
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//Download_infos_page_main(Main_backups->Pages);
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//Update_FX_feedback(Config.FX_Feedback);
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Display_all_screen();
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Display_layerbar();
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Display_cursor();
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}
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void Button_Layer_add(void)
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{
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Hide_cursor();
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if (Main_backups->Pages->Nb_layers < MAX_NB_LAYERS)
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{
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// Backup with unchanged layers
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Backup_layers(0);
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if (!Add_layer(Main_backups,Main_current_layer+1))
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{
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Update_depth_buffer();
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Display_all_screen();
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Display_layerbar();
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End_of_modification();
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}
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}
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Unselect_button(BUTTON_LAYER_ADD);
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Display_cursor();
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}
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void Button_Layer_remove(void)
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{
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Hide_cursor();
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if (Main_backups->Pages->Nb_layers > 1)
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{
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// Backup with unchanged layers
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Backup_layers(0);
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if (!Delete_layer(Main_backups,Main_current_layer))
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{
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Update_screen_targets();
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Redraw_layered_image();
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Display_all_screen();
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Display_layerbar();
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End_of_modification();
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}
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}
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Unselect_button(BUTTON_LAYER_REMOVE);
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Display_cursor();
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}
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void Button_Layer_select(void)
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{
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short layer;
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// Determine which button is clicked according to mouse position
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layer = (Mouse_X/Menu_factor_X - Menu_bars[MENUBAR_LAYERS].Skin_width)
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/ Layer_button_width;
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// Safety required because the mouse cursor can have slided outside button.
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if (layer < 0)
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layer=0;
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else if (layer > Main_backups->Pages->Nb_layers-1)
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layer=Main_backups->Pages->Nb_layers-1;
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Layer_activate(layer, LEFT_SIDE);
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}
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void Button_Layer_toggle(void)
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{
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short layer;
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// Determine which button is clicked according to mouse position
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layer = (Mouse_X/Menu_factor_X - Menu_bars[MENUBAR_LAYERS].Skin_width)
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/ Layer_button_width;
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// Safety required because the mouse cursor can have slided outside button.
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if (layer < 0)
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layer=0;
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else if (layer > Main_backups->Pages->Nb_layers-1)
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layer=Main_backups->Pages->Nb_layers-1;
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Layer_activate(layer, RIGHT_SIDE);
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}
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static void Draw_transparent_color(byte color)
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{
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char buf[4];
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Num2str(color, buf, 3);
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Print_in_window(63,39,buf,MC_Black,MC_Light);
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Window_rectangle(90,39,13,7,color);
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}
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static void Draw_transparent_background(byte background)
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{
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Print_in_window(99,57,background?"X":" ",MC_Black,MC_Light);
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}
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void Button_Layer_menu(void)
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{
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byte transparent_color = Main_backups->Pages->Transparent_color;
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byte transparent_background = Main_backups->Pages->Background_transparent;
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short clicked_button;
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byte color;
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byte click;
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Open_window(122,100,"Layers");
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Window_display_frame_in( 6, 21,110, 52);
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Print_in_window(14,18,"Transparency",MC_Dark,MC_Light);
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Print_in_window(11,38,"Color",MC_Black,MC_Light);
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Window_set_normal_button(54, 36, 56,13,"" , 0,1,KEY_NONE); // 1
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Draw_transparent_color(transparent_color);
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Print_in_window(11,57,"Background",MC_Black,MC_Light);
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Window_set_normal_button(95, 54, 15,13,"" , 0,1,KEY_NONE); // 2
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Draw_transparent_background(transparent_background);
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Window_set_normal_button( 7, 78, 51,14,"OK" , 0,1,SDLK_RETURN); // 3
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Window_set_normal_button(63, 78, 51,14,"Cancel", 0,1,KEY_ESC); // 4
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Update_window_area(0,0,Window_width, Window_height);
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do
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{
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clicked_button=Window_clicked_button();
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if (Is_shortcut(Key,0x100+BUTTON_HELP))
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Window_help(BUTTON_LAYER_MENU, NULL);
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switch(clicked_button)
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{
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case 1: // color
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Get_color_behind_window(&color,&click);
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if (click && transparent_color!=color)
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{
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transparent_color=color;
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Hide_cursor();
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Draw_transparent_color(transparent_color);
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Display_cursor();
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Wait_end_of_click();
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}
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break;
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case 2: // background
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transparent_background = !transparent_background;
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Hide_cursor();
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Draw_transparent_background(transparent_background);
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Display_cursor();
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break;
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}
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}
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while (clicked_button<3);
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// On exit
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Hide_cursor();
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Close_window();
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if (clicked_button==3)
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{
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// Accept changes
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if (Main_backups->Pages->Transparent_color != transparent_color ||
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Main_backups->Pages->Background_transparent != transparent_background)
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{
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Backup_layers(-1);
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Main_backups->Pages->Transparent_color = transparent_color;
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Main_backups->Pages->Background_transparent = transparent_background;
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Redraw_layered_image();
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Display_all_screen();
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End_of_modification();
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}
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}
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Unselect_button(BUTTON_LAYER_MENU);
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Display_cursor();
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}
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void Button_Layer_set_transparent(void)
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{
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Hide_cursor();
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if (Main_backups->Pages->Transparent_color != Back_color)
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{
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Backup_layers(-1);
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Main_backups->Pages->Transparent_color = Back_color;
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Redraw_layered_image();
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Display_all_screen();
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End_of_modification();
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}
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Unselect_button(BUTTON_LAYER_COLOR);
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Display_cursor();
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}
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void Button_Layer_get_transparent(void)
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{
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Hide_cursor();
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if (Main_backups->Pages->Transparent_color != Back_color)
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{
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Set_back_color(Main_backups->Pages->Transparent_color);
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}
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Unselect_button(BUTTON_LAYER_COLOR);
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Display_cursor();
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}
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void Button_Layer_merge(void)
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{
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Hide_cursor();
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if (Main_current_layer>0)
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{
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// Backup layer below the current
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Backup_layers(1<<(Main_current_layer-1));
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Merge_layer();
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Update_screen_targets();
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Redraw_layered_image();
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Display_all_screen();
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Display_layerbar();
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End_of_modification();
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}
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Unselect_button(BUTTON_LAYER_MERGE);
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Display_cursor();
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}
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void Button_Layer_up(void)
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{
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Hide_cursor();
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if (Main_current_layer < (Main_backups->Pages->Nb_layers-1))
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{
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byte * tmp;
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dword layer_flags;
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// Backup with unchanged layers
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Backup_layers(0);
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// swap
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tmp = Main_backups->Pages->Image[Main_current_layer];
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Main_backups->Pages->Image[Main_current_layer] = Main_backups->Pages->Image[Main_current_layer+1];
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Main_backups->Pages->Image[Main_current_layer+1] = tmp;
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// Swap visibility indicators
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layer_flags = (Main_layers_visible >> Main_current_layer) & 3;
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// Only needed if they are different.
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if (layer_flags == 1 || layer_flags == 2)
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{
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// One is on, the other is off. Negating them will
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// perform the swap.
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Main_layers_visible ^= (3 << Main_current_layer);
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}
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Main_current_layer++;
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Update_screen_targets();
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Redraw_layered_image();
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Display_all_screen();
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Display_layerbar();
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End_of_modification();
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}
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Unselect_button(BUTTON_LAYER_UP);
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Display_cursor();
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}
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void Button_Layer_down(void)
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{
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Hide_cursor();
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if (Main_current_layer > 0)
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{
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byte * tmp;
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dword layer_flags;
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// Backup with unchanged layers
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Backup_layers(0);
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// swap
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tmp = Main_backups->Pages->Image[Main_current_layer];
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Main_backups->Pages->Image[Main_current_layer] = Main_backups->Pages->Image[Main_current_layer-1];
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Main_backups->Pages->Image[Main_current_layer-1] = tmp;
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// Swap visibility indicators
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layer_flags = (Main_layers_visible >> (Main_current_layer-1)) & 3;
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// Only needed if they are different.
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if (layer_flags == 1 || layer_flags == 2)
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{
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// Only needed if they are different.
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// One is on, the other is off. Negating them will
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// perform the swap.
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Main_layers_visible ^= (3 << (Main_current_layer-1));
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}
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Main_current_layer--;
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Update_screen_targets();
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Redraw_layered_image();
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Display_layerbar();
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Display_all_screen();
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End_of_modification();
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}
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Unselect_button(BUTTON_LAYER_DOWN);
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Display_cursor();
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}
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