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Safety backup: On recovery, load all images even if it exceeds the normal setting of Backup Pages. On crash, do not attempt to save current visible image if the edited image has multiple layers.

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git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1279 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Yves Rizoud 2010-01-23 18:33:48 +00:00
parent 9933e1fddc
commit bece65fcbb
2 changed files with 26 additions and 10 deletions
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33
loadsave.c
View File

@ -971,8 +971,10 @@ void Emergency_backup(const char *fname, byte *source, int width, int height, T_
void Image_emergency_backup()
{
Emergency_backup("a999999.bkp",Main_screen, Main_image_width, Main_image_height, &Main_palette);
Emergency_backup("b999999.bkp",Spare_screen, Spare_image_width, Spare_image_height, &Spare_palette);
if (Main_backups && Main_backups->Pages && Main_backups->Pages->Nb_layers == 1)
Emergency_backup("a999999.bkp",Main_screen, Main_image_width, Main_image_height, &Main_palette);
if (Spare_backups && Spare_backups->Pages && Spare_backups->Pages->Nb_layers == 1)
Emergency_backup("b999999.bkp",Spare_screen, Spare_image_width, Spare_image_height, &Spare_palette);
}
T_Format * Get_fileformat(byte format)
@ -1131,6 +1133,16 @@ T_String_list *Backups_main = NULL;
/// A list of files, used for scanning a directory
T_String_list *Backups_spare = NULL;
// Settings for safety backup (frequency, numbers, etc)
const int Rotation_safety_backup = 8;
const int Min_interval_for_safety_backup = 30000;
const int Min_edits_for_safety_backup = 10;
const int Max_interval_for_safety_backup = 60000;
const int Max_edits_for_safety_backup = 30;
///
/// Adds a file to Backups_main or Backups_spare lists, if it's a backup.
///
@ -1193,10 +1205,16 @@ byte Process_backups(T_String_list **list)
int i;
char ** files_vector;
T_String_list *element;
byte backup_max_undo_pages;
if (*list == NULL)
return 0;
// Save the maximum number of pages
// (It's used in Create_new_page() which gets called on each Load_image)
backup_max_undo_pages = Config.Max_undo_pages;
Config.Max_undo_pages = 99;
// Count files
nb_files=0;
element=*list;
@ -1240,6 +1258,9 @@ byte Process_backups(T_String_list **list)
free(files_vector);
files_vector = NULL;
// Restore the maximum number of pages
Config.Max_undo_pages = backup_max_undo_pages;
return nb_files;
}
@ -1289,14 +1310,6 @@ int Check_recovery(void)
return restored_main || restored_spare;
}
const int Rotation_safety_backup = 8;
const int Min_interval_for_safety_backup = 30000;
const int Min_edits_for_safety_backup = 10;
const int Max_interval_for_safety_backup = 60000;
const int Max_edits_for_safety_backup = 30;
void Rotate_safety_backups(void)
{
Uint32 now;

3
loadsave.h
View File

@ -146,6 +146,9 @@ extern T_Format File_formats[];
///
/// Function which attempts to save backups of the images (main and spare),
/// called in case of SIGSEGV.
/// It will save an image only if it has just one layer... otherwise,
/// the risk of flattening a layered image (or saving just one detail layer)
/// is too high.
void Image_emergency_backup(void);
/// Load an arbitrary SDL_Surface.