Initial commit

engines/zvision/graphics/cursors/cursor.cpp

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "common/file.h"
+#include "common/scummsys.h"
+#include "common/str.h"
+#include "zvision/graphics/cursors/cursor.h"
+
+namespace ZVision {
+
+ZorkCursor::ZorkCursor()
+	: _width(0),
+	  _height(0),
+	  _hotspotX(0),
+	  _hotspotY(0) {
+}
+
+ZorkCursor::ZorkCursor(ZVision *engine, const Common::Path &fileName)
+	: _width(0),
+	  _height(0),
+	  _hotspotX(0),
+	  _hotspotY(0) {
+	Common::File file;
+	if (!file.open(fileName))
+		error("Cursor file %s does not exist", fileName.toString().c_str());
+
+	uint32 magic = file.readUint32BE();
+	if (magic != MKTAG('Z', 'C', 'R', '1')) {
+		warning("%s is not a Zork Cursor file", fileName.toString().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, engine->_resourcePixelFormat);
+	uint32 bytesRead = file.read(_surface.getPixels(), dataSize);
+	assert(bytesRead == dataSize);
+
+#ifndef SCUMM_LITTLE_ENDIAN
+	int16 *buffer = (int16 *)_surface.getPixels();
+	for (uint32 i = 0; i < dataSize / 2; ++i)
+		buffer[i] = FROM_LE_16(buffer[i]);
+#endif
+}
+
+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