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minor Restore_background() improvement

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This commit is contained in:
Thomas Bernard 2018-01-23 09:53:30 +01:00
parent 1c6a9e2db2
commit 9fafd0173f
1 changed files with 12 additions and 15 deletions
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27
src/engine.c
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@ -65,10 +65,10 @@ byte Tiling_mode_before_cancel;
Func_effect Effect_function_before_cancel;
///This table holds pointers to the saved window backgrounds. We can have up to 8 windows open at a time.
byte* Window_background[8];
static byte* Window_background[8];
///Save a screen block (usually before erasing it with a new window or a dropdown menu)
void Save_background(byte **buffer, int x_pos, int y_pos, int width, int height)
static void Save_background(byte **buffer, int x_pos, int y_pos, int width, int height)
{
int index;
if(*buffer != NULL) DEBUG("WARNING : buffer already allocated !!!",0);
@ -79,13 +79,14 @@ void Save_background(byte **buffer, int x_pos, int y_pos, int width, int height)
}
///Restores a screen block
void Restore_background(byte *buffer, int x_pos, int y_pos, int width, int height)
static void Restore_background(byte **buffer, int x_pos, int y_pos, int width, int height)
{
int index;
if(*buffer==NULL) return;
for (index=0; index<height*Menu_factor_Y; index++)
Display_line_fast(x_pos,y_pos+index,width*Menu_factor_X,buffer+((int)index*width*Menu_factor_X*Pixel_width));
free(buffer);
buffer = NULL;
Display_line_fast(x_pos,y_pos+index,width*Menu_factor_X,*buffer+((int)index*width*Menu_factor_X*Pixel_width));
free(*buffer);
*buffer = NULL;
}
///Draw a pixel in a saved screen block (when you sort colors in the palette, for example)
@ -1724,8 +1725,7 @@ void Close_window(void)
if (Windows_open != 1)
{
// Restore de ce que la fenêtre cachait
Restore_background(Window_background[Windows_open-1], Window_pos_X, Window_pos_Y, Window_width, Window_height);
Window_background[Windows_open-1]=NULL;
Restore_background(&Window_background[Windows_open-1], Window_pos_X, Window_pos_Y, Window_width, Window_height);
Update_window_area(0,0,Window_width,Window_height);
Windows_open--;
}
@ -2395,8 +2395,7 @@ void Close_popup(void)
if (Windows_open != 1)
{
// Restore de ce que la fenêtre cachait
Restore_background(Window_background[Windows_open-1], Window_pos_X, Window_pos_Y, Window_width, Window_height);
Window_background[Windows_open-1]=NULL;
Restore_background(&Window_background[Windows_open-1], Window_pos_X, Window_pos_Y, Window_width, Window_height);
Update_window_area(0,0,Window_width,Window_height);
Windows_open--;
}
@ -2601,7 +2600,7 @@ void Get_color_behind_window(byte * color, byte * click)
Hide_cursor();
}
Restore_background(buffer,Window_pos_X,Window_pos_Y,Window_width,Window_height);
Restore_background(&buffer,Window_pos_X,Window_pos_Y,Window_width,Window_height);
Update_window_area(0, 0, Window_width, Window_height);
Cursor_shape=CURSOR_SHAPE_ARROW;
Paintbrush_hidden=b;
@ -2712,15 +2711,13 @@ void Move_window(short dx, short dy)
Save_background(&buffer, Window_pos_X, Window_pos_Y, Window_width, Window_height);
// Restore de ce que la fenêtre cachait
Restore_background(Window_background[Windows_open-1], Window_pos_X, Window_pos_Y, Window_width, Window_height);
Window_background[Windows_open-1] = NULL;
Restore_background(&Window_background[Windows_open-1], Window_pos_X, Window_pos_Y, Window_width, Window_height);
// Sauvegarde de ce que la fenêtre remplace
Save_background(&(Window_background[Windows_open-1]), new_x, new_y, Window_width, Window_height);
// Raffichage de la fenêtre
Restore_background(buffer, new_x, new_y, Window_width, Window_height);
buffer = NULL;
Restore_background(&buffer, new_x, new_y, Window_width, Window_height);
// Mise à jour du rectangle englobant
Update_rect(