|
@@ -28,6 +28,7 @@ enum TransparencyOption {
|
|
|
|
|
|
typedef byte TransparencyOptionBits; ///< transparency option bits
|
|
|
extern TransparencyOptionBits _transparency_opt;
|
|
|
extern TransparencyOptionBits _transparency_lock;
|
|
|
|
|
|
/**
|
|
|
* Check if the transparency option bit is set
|
|
@@ -43,26 +44,33 @@ static inline bool IsTransparencySet(Tra
|
|
|
/**
|
|
|
* Toggle the transparency option bit
|
|
|
*
|
|
|
* @param to the structure which transparency option is toggle
|
|
|
* @param to the transparency option to be toggled
|
|
|
*/
|
|
|
static inline void ToggleTransparency(TransparencyOption to)
|
|
|
{
|
|
|
ToggleBit(_transparency_opt, to);
|
|
|
}
|
|
|
|
|
|
/** Toggle all transparency options (except signs) or restore the stored transparencies */
|
|
|
/**
|
|
|
* Toggle the transparency lock bit
|
|
|
*
|
|
|
* @param to the transparency option to be locked or unlocked
|
|
|
*/
|
|
|
static inline void ToggleTransparencyLock(TransparencyOption to)
|
|
|
{
|
|
|
ToggleBit(_transparency_lock, to);
|
|
|
}
|
|
|
|
|
|
/** Set or clear all non-locked transparency options */
|
|
|
static inline void ResetRestoreAllTransparency()
|
|
|
{
|
|
|
/* backup of the original transparencies or if all transparencies false toggle them to true */
|
|
|
static TransparencyOptionBits trans_opt = ~0;
|
|
|
|
|
|
if (_transparency_opt == 0) {
|
|
|
/* no structure is transparent, so restore the old transparency if present otherwise set all true */
|
|
|
_transparency_opt = trans_opt;
|
|
|
/* if none of the non-locked options are set */
|
|
|
if ((_transparency_opt & ~_transparency_lock) == 0) {
|
|
|
/* set all non-locked options */
|
|
|
_transparency_opt |= ~_transparency_lock;
|
|
|
} else {
|
|
|
/* any structure is transparent, so store current transparency settings and reset it */
|
|
|
trans_opt = _transparency_opt;
|
|
|
_transparency_opt = 0;
|
|
|
/* clear all non-locked options */
|
|
|
_transparency_opt &= _transparency_lock;
|
|
|
}
|
|
|
|
|
|
MarkWholeScreenDirty();
|