scummvm/engines/zvision/cursor.cpp
2013-10-20 18:39:06 +00:00

95 lines
2.4 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
*/
#include "common/scummsys.h"
#include "zvision/cursor.h"
#include "common/str.h"
#include "common/file.h"
namespace ZVision {
ZorkCursor::ZorkCursor()
: _width(0),
_height(0),
_hotspotX(0),
_hotspotY(0) {
}
ZorkCursor::ZorkCursor(const Common::String &fileName)
: _width(0),
_height(0),
_hotspotX(0),
_hotspotY(0) {
Common::File file;
if (!file.open(fileName))
return;
uint32 magic = file.readUint32BE();
if (magic != MKTAG('Z', 'C', 'R', '1')) {
warning("%s is not a Zork Cursor file", fileName.c_str());
return;
}
_hotspotX = file.readUint16LE();
_hotspotY = file.readUint16LE();
_width = file.readUint16LE();
_height = file.readUint16LE();
uint dataSize = _width * _height * sizeof(uint16);
_surface.create(_width, _height, Graphics::PixelFormat(2, 5, 5, 5, 0, 10, 5, 0, 0));
uint32 bytesRead = file.read(_surface.getPixels(), dataSize);
assert(bytesRead == dataSize);
// Convert to RGB 565
_surface.convertToInPlace(Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0));
}
ZorkCursor::ZorkCursor(const ZorkCursor &other) {
_width = other._width;
_height = other._height;
_hotspotX = other._hotspotX;
_hotspotY = other._hotspotY;
_surface.copyFrom(other._surface);
}
ZorkCursor &ZorkCursor::operator=(const ZorkCursor &other) {
_width = other._width;
_height = other._height;
_hotspotX = other._hotspotX;
_hotspotY = other._hotspotY;
_surface.free();
_surface.copyFrom(other._surface);
return *this;
}
ZorkCursor::~ZorkCursor() {
_surface.free();
}
} // End of namespace ZVision