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/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#include "be_zodiac.h"
void OSystem_PalmZodiac::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
// set bitmap transparency
WinSetDrawWindow(_mouseDataH);
WinSetBackColor(_mouseKeyColor);
WinEraseWindow();
BmpSetTransparentValue(WinGetBitmap(_mouseDataH), _mouseKeyColor);
if (w & 1) {
// copy new cursor
byte *dst = _mouseDataP;
while (h--) {
memcpy(dst, buf, w);
dst += MAX_MOUSE_W;
buf += w;
}
} else {
// 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);
WinDrawBitmap((BitmapPtr)v3, 0, 0);
BmpDelete((BitmapPtr)v3);
}
#else
// copy new cursor
byte *dst = _mouseDataP;
while (h--) {
memcpy(dst, buf, w);
dst += MAX_MOUSE_W;
buf += w;
}
#endif
}
void OSystem_PalmZodiac::draw_mouse() {
if (_mouseDrawn || !_mouseVisible)
return;
#ifdef PALMOS_ARM
byte *src = _mouseDataP; // Image representing the mouse
byte *bak = _mouseBackupP; // Surface used to backup the area obscured by the mouse
byte *dst; // Surface we are drawing into
byte color;
int width;
#endif
_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;
#ifdef PALMOS_ARM
src -= x;
#endif
x = 0;
}
if (y < 0) {
h += y;
#ifdef PALMOS_ARM
src -= y * MAX_MOUSE_W;
#endif
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
#ifdef PALMOS_68K
if (_overlayVisible) {
WinSetDrawWindow(_screenH);
WinDrawBitmap(WinGetBitmap(_mouseDataH), draw_x + _screenOffset.x, draw_y + _screenOffset.y);
// force mouse redraw at each frame so that an extra buffer is not needed
_mouseDrawn = false;
} 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);
_mouseDrawn = true;
}
#else
if (_overlayVisible) {
// where is the mouse ...
} else {
dst = _offScreenP + y * _screenWidth + x;
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;
}
#endif
}
void OSystem_PalmZodiac::undraw_mouse() {
if (!_mouseDrawn)
return;
_mouseDrawn = false;
// No need to do clipping here, since draw_mouse() did that already
#ifdef PALMOS_68K
if (_overlayVisible) {
} else {
RectangleType r = {0, 0, _mouseOldState.w, _mouseOldState.h};
WinCopyRectangle(_mouseBackupH, _offScreenH, &r, _mouseOldState.x, _mouseOldState.y, winPaint);
}
#else
if (_overlayVisible) {
} else {
int h = _mouseOldState.h;
byte *dst, *bak = _mouseBackupP;
dst = _offScreenP + _mouseOldState.y * _screenWidth + _mouseOldState.x;
do {
memcpy(dst, bak, _mouseOldState.w);
bak += MAX_MOUSE_W;
dst += _screenWidth;
} while (--h);
}
#endif
}
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