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Fix issue 417: Severe image corruption when scrolling image while some layers are hidden.

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git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1748 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Yves Rizoud 2011-03-05 18:17:55 +00:00
parent 504f25f1e1
commit e11d8e030c
1 changed files with 11 additions and 2 deletions
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13
src/operatio.c
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@ -2760,7 +2760,16 @@ void Scroll_12_0(void)
if (Mouse_K == LEFT_SIDE) if (Mouse_K == LEFT_SIDE)
Backup(); Backup();
else else
Backup_layers(Main_layers_visible); {
Backup_layers(-1); // Main_layers_visible
#ifndef NOLAYERS
// Ensure the backup visible image is up-to-date
// (after swapping some layers on/off, it gets outdated)
memcpy(Main_visible_image_backup.Image,
Main_visible_image.Image,
Main_image_width*Main_image_height);
#endif
}
Cursor_hidden_before_scroll=Cursor_hidden; Cursor_hidden_before_scroll=Cursor_hidden;
Cursor_hidden=1; Cursor_hidden=1;
@ -2818,7 +2827,6 @@ void Scroll_12_5(void)
{ {
// One layer at once // One layer at once
Scroll_picture(Main_backups->Pages->Next->Image[Main_current_layer], Main_backups->Pages->Image[Main_current_layer], x_offset, y_offset); Scroll_picture(Main_backups->Pages->Next->Image[Main_current_layer], Main_backups->Pages->Image[Main_current_layer], x_offset, y_offset);
//Redraw_layered_image();
Redraw_current_layer(); Redraw_current_layer();
} }
@ -2874,6 +2882,7 @@ void Scroll_0_5(void)
// Do the actual scroll operation on all layers. // Do the actual scroll operation on all layers.
for (i=0; i<Main_backups->Pages->Nb_layers; i++) for (i=0; i<Main_backups->Pages->Nb_layers; i++)
//if ((1<<i) & Main_layers_visible)
Scroll_picture(Main_backups->Pages->Next->Image[i], Main_backups->Pages->Image[i], x_offset, y_offset); Scroll_picture(Main_backups->Pages->Next->Image[i], Main_backups->Pages->Image[i], x_offset, y_offset);
// Update the depth buffer too ... // Update the depth buffer too ...
// It would be faster to scroll it, but we don't have method // It would be faster to scroll it, but we don't have method