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[layers] Implemented layer insertion. No keys or menu yet, but it's already used when loading images, to make an image with right number of layers. Undoing/redoing such change works. Implemented single-layer deletion (untested)

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git-svn-id: svn://pulkomandy.tk/GrafX2/branches/layers@1069 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Yves Rizoud
2009-10-08 23:54:02 +00:00
parent dc70d2f59f
commit 2049f96c59
9 changed files with 174 additions and 25 deletions
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10
pages.h
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@@ -37,6 +37,10 @@
void Download_infos_page_main(T_Page * page);
void Upload_infos_page_main(T_Page * page);
/// Add a new layer to latest page of a list. Returns 0 on success.
byte Add_layer(T_List_of_pages *list, byte layer);
/// Delete a layer from the latest page of a list. Returns 0 on success.
byte Delete_layer(T_List_of_pages *list, byte layer);
// private
T_Page * New_page(byte nb_layers);
@@ -58,7 +62,7 @@ int Allocate_list_of_pages(T_List_of_pages * list);
void Backward_in_list_of_pages(T_List_of_pages * list);
void Advance_in_list_of_pages(T_List_of_pages * list);
void Free_last_page_of_list(T_List_of_pages * list);
int Create_new_page(T_Page * new_page,T_List_of_pages * current_list, byte layer_mask);
int Create_new_page(T_Page * new_page,T_List_of_pages * current_list, word layer_mask);
void Change_page_number_of_list(T_List_of_pages * list,int number);
void Free_page_of_a_list(T_List_of_pages * list);
@@ -70,12 +74,12 @@ void Free_page_of_a_list(T_List_of_pages * list);
int Init_all_backup_lists(int width,int height);
void Set_number_of_backups(int nb_backups);
int Backup_with_new_dimensions(int upload,int width,int height);
int Backup_with_new_dimensions(int upload,byte layers,int width,int height);
int Backup_and_resize_the_spare(int width,int height);
/// Backup with a new copy for the working layer, and references for all others.
void Backup(void);
/// Backup with a new copy of some layers (the others are references).
void Backup_layers(byte layer_mask);
void Backup_layers(word layer_mask);
void Undo(void);
void Redo(void);
void Free_current_page(void); // 'Kill' button