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Huge rewrite of the file loading/saving system. Normally safer in case of problem. Added incremental safety backups at regular intervals in the 'application data' directory (Windows) or $HOME/.grafx2 (unix). Keeps 8 files, saves every 30-60s and/or every 10-30 clicks.

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git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1245 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Yves Rizoud
2010-01-13 02:09:47 +00:00
parent c93a9bd1c1
commit 8bdd163ede
14 changed files with 1903 additions and 1480 deletions
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27
global.h
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@@ -341,6 +341,14 @@ GFX2_GLOBAL short Main_magnifier_offset_Y;
GFX2_GLOBAL byte Main_current_layer;
/// Bitfield that records which layers are visible. 2^0 for 0, 2^1 for 1, 2^2 for 2, etc.
GFX2_GLOBAL dword Main_layers_visible;
/// Index to use next time, when creating incremental backups, to make unique filename.
GFX2_GLOBAL long Main_safety_number;
/// Number of edit actions since the last safety backup
GFX2_GLOBAL long Main_edits_since_safety_backup;
/// SDL Time of the previous safety backup
GFX2_GLOBAL Uint32 Main_time_of_safety_backup;
/// Letter prefix for the filenames of safety backups. a or b
GFX2_GLOBAL byte Main_safety_backup_prefix;
// -- Spare page data
@@ -405,6 +413,15 @@ GFX2_GLOBAL short Spare_magnifier_offset_Y;
GFX2_GLOBAL byte Spare_current_layer;
/// Bitfield that records which layers are visible. 2^0 for 0, 2^1 for 1, 2^2 for 2, etc.
GFX2_GLOBAL dword Spare_layers_visible;
/// Index to use next time, when creating incremental backups, to make unique filename.
GFX2_GLOBAL long Spare_safety_number;
/// Number of edit actions since the last safety backup
GFX2_GLOBAL long Spare_edits_since_safety_backup;
/// SDL Time of the previous safety backup
GFX2_GLOBAL Uint32 Spare_time_of_safety_backup;
/// Letter prefix for the filenames of safety backups. a or b
GFX2_GLOBAL byte Spare_safety_backup_prefix;
// -- Image backups
/// Backup of the current screen, used during drawing when FX feedback is OFF.
@@ -801,8 +818,6 @@ GFX2_GLOBAL byte Selected_curve_mode;
GFX2_GLOBAL byte Selected_line_mode;
/// Determines which color appears in the first cell of the menu palette. Change this value to "scroll" the palette.
GFX2_GLOBAL byte First_color_in_palette;
/// Boolean, true if Grafx2 was run with a file as command-line argument, which must be open immediately.
GFX2_GLOBAL byte File_in_command_line;
/// Boolean, true if Grafx2 was run with a command-line argument to set a resolution on startup (overrides config)
GFX2_GLOBAL byte Resolution_in_command_line;
@@ -912,14 +927,6 @@ GFX2_GLOBAL struct
GFX2_GLOBAL signed char File_error;
/// Current line number when reading/writing gfx2.ini
GFX2_GLOBAL int Line_number_in_INI_file;
///
/// Pointer to a pixel-loading function. This is used by the generic loading
/// function to load a preview, a brush or an image.
GFX2_GLOBAL Func_pixel Pixel_load_function;
///
/// Pointer to a pixel-reading function. This is used by the generic saving
/// function to save a brush or an image.
GFX2_GLOBAL Func_read Read_pixel_function;
// -- Specific to SDL