void OSystem_PalmZodiac::undraw_mouse() {
if (!_mouseDrawn)
return;
int h = _mouseOldState.h;
// no need to do clipping here, since draw_mouse() did that already
if (_overlayVisible) {
uint16 *dst;
uint16 *bak = (uint16 *)_mouseBackupP;
TwGfxLockSurface(_overlayP, (void **)&dst);
dst += _mouseOldState.y * _screenWidth + _mouseOldState.x;
do {
MemMove(dst, bak, _mouseOldState.w * 2);
dst += _screenWidth;
bak += _mouseOldState.w;
} while (--h);
TwGfxUnlockSurface(_overlayP, true);
} else {
byte *dst = _offScreenP + _mouseOldState.y * _screenWidth + _mouseOldState.x;
byte *bak = _mouseBackupP;
do {
MemMove(dst, bak, _mouseOldState.w);
dst += _screenWidth;
bak += _mouseOldState.w;
} while (--h);
}
_mouseDrawn = false;
}
void OSystem_PalmZodiac::draw_mouse() {
if (!_mouseDataP || _mouseDrawn || !_mouseVisible)
return;
byte *src = _mouseDataP;
int x = _mouseCurState.x - _mouseHotspotX;
int y = _mouseCurState.y - _mouseHotspotY;
int w = _mouseCurState.w;
int h = _mouseCurState.h;
// clip the mouse rect
if (y < 0) {
src -= y * w;
h += y;
y = 0;
}
if (x < 0) {
src -= x;
w += x;
x = 0;
}
if (h > _screenHeight - y)
h = _screenHeight - y;
if (w > _screenWidth - x)
w = _screenWidth - x;
if (w <= 0 || h <= 0)
return;
// store the bounding box so that undraw mouse can restore the area the
// mouse currently covers to its original content
_mouseOldState.x = x;
_mouseOldState.y = y;
_mouseOldState.w = w;
_mouseOldState.h = h;
byte color;
int ww;
if (_overlayVisible) {
uint16 *bak = (uint16 *)_mouseBackupP;
uint16 *pal = _cursorPaletteDisabled ? _nativePal : _mousePal;
uint16 *dst;
TwGfxLockSurface(_overlayP, (void **)&dst);
dst += y * _screenWidth + x;
do {
ww = w;
do {
*bak++ = *dst;
color = *src++;
// transparent, don't draw
if (color != _mouseKeyColor)
*dst = pal[color];
dst++;
} while (--ww);
src += _mouseCurState.w - w;
dst += _screenWidth - w;
} while (--h);
TwGfxUnlockSurface(_overlayP, true);
} else {
byte *bak = _mouseBackupP;
byte *dst =_offScreenP + y * _screenWidth + x;
do {
ww = w;
do {
*bak++ = *dst;
color = *src++;
// transparent, don't draw
if (color != _mouseKeyColor)
*dst = color;
dst++;
} while (--ww);
src += _mouseCurState.w - w;
dst += _screenWidth - w;
} while (--h);
}
_mouseDrawn = true;
}
void OSystem_PalmZodiac::draw_mouse() {
if (_mouseDrawn || !_mouseVisible)
return;
byte *src = _mouseDataP; // Image representing the mouse
byte color;
int width;
_mouseCurState.y = _mouseCurState.y >= _screenHeight ? _screenHeight - 1 : _mouseCurState.y;
int x = _mouseCurState.x - _mouseHotspotX;
int y = _mouseCurState.y - _mouseHotspotY;
int w = _mouseCurState.w;
int h = _mouseCurState.h;
int draw_x = x;
int draw_y = y;
// clip the mouse rect
if (x < 0) {
w += x;
src -= x;
x = 0;
}
if (y < 0) {
h += y;
src -= y * MAX_MOUSE_W;
y = 0;
}
if (w > _screenWidth - x)
w = _screenWidth - x;
if (h > _screenHeight - y)
h = _screenHeight - y;
// Quick check to see if anything has to be drawn at all
if (w <= 0 || h <= 0)
return;
// Store the bounding box so that undraw mouse can restore the area the
// mouse currently covers to its original content.
_mouseOldState.x = x;
_mouseOldState.y = y;
_mouseOldState.w = w;
_mouseOldState.h = h;
// Backup the covered area draw the mouse cursor
if (_overlayVisible) {
uint16 *bak = (uint16 *)_mouseBackupP; // Surface used to backup the area obscured by the mouse
uint16 *dst;
TwGfxLockSurface(_overlayP, (void **)&dst);
dst += y * _screenWidth + x;
do {
width = w;
do {
*bak++ = *dst;
color = *src++;
if (color != _mouseKeyColor) // transparent, don't draw
*dst = _nativePal[color];
dst++;
} while (--width);
src += MAX_MOUSE_W - w;
bak += MAX_MOUSE_W - w;
dst += _screenWidth - w;
} while (--h);
TwGfxUnlockSurface(_overlayP, true);
} else {
byte *bak = _mouseBackupP; // Surface used to backup the area obscured by the mouse
byte *dst =_offScreenP + y * _screenWidth + x; // Surface we are drawing into
do {
width = w;
do {
*bak++ = *dst;
color = *src++;
if (color != _mouseKeyColor) // transparent, don't draw
*dst = color;
dst++;
} while (--width);
src += MAX_MOUSE_W - w;
bak += MAX_MOUSE_W - w;
dst += _screenWidth - w;
} while (--h);
}
_mouseDrawn = true;
}