scummvm/backends/PalmOS/Src/os5_mouse.cpp
2005-10-18 01:30:26 +00:00

133 lines
3.4 KiB
C++
Executable file

/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2005 The ScummVM project
* Copyright (C) 2002-2005 Chris Apers - PalmOS Backend
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Header$
*
*/
#include "be_os5.h"
void OSystem_PalmOS5::setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, byte keycolor, int cursorTargetScale) {
if (w == 0 || h == 0)
return;
_mouseCurState.w = w;
_mouseCurState.h = h;
_mouseHotspotX = hotspotX;
_mouseHotspotY = hotspotY;
_mouseKeyColor = keycolor;
#ifdef PALMOS_68K
// free old cursor if any
if (_mouseDataH)
WinDeleteWindow(_mouseDataH, false);
// allocate new cursor
Err e;
_mouseDataH = WinCreateOffscreenWindow(w, h, nativeFormat, &e);
_mouseDataP = (byte *)BmpGetBits(WinGetBitmap(_mouseDataH));
// set bitmap transparency
BmpSetTransparentValue(WinGetBitmap(_mouseDataH), _mouseKeyColor);
// copy new cursor
BitmapTypeV1 nfo = {
w, h, w,
{0,0,0,0,0,0,0,0,0},
8, BitmapVersionOne, 0
};
BitmapTypeV3 *v3 = BmpCreateBitmapV3((BitmapType*)&nfo, kDensityDouble, (void *)buf, 0);
WinSetDrawWindow(_mouseDataH);
WinDrawBitmap((BitmapPtr)v3, 0, 0);
BmpDelete((BitmapPtr)v3);
#endif
}
void OSystem_PalmOS5::draw_mouse() {
if (_mouseDrawn || !_mouseVisible)
return;
_mouseDrawn = true;
_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;
x = 0;
}
if (y < 0) {
h += y;
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;
#ifdef PALMOS_68K
// Backup the covered area draw the mouse cursor
if (_overlayVisible) {
} else {
// backup...
RectangleType r = {x, y, w, h};
WinCopyRectangle(_offScreenH, _mouseBackupH, &r, 0, 0, winPaint);
// ...and draw
WinSetDrawWindow(_offScreenH);
WinDrawBitmap(WinGetBitmap(_mouseDataH), draw_x, draw_y);
}
#endif
}
void OSystem_PalmOS5::undraw_mouse() {
if (!_mouseDrawn)
return;
_mouseDrawn = false;
#ifdef PALMOS_68K
// No need to do clipping here, since draw_mouse() did that already
if (_overlayVisible) {
} else {
RectangleType r = {0, 0, _mouseOldState.w, _mouseOldState.h};
WinCopyRectangle(_mouseBackupH, _offScreenH, &r, _mouseOldState.x, _mouseOldState.y, winPaint);
}
#endif
}