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engines/tony/mpal/mpalutils.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 "tony/mpal/mpalutils.h"
+#include "tony/tony.h"
+#include "common/memstream.h"
+
+namespace Tony {
+
+namespace MPAL {
+
+/****************************************************************************\
+*       RMRes methods
+\****************************************************************************/
+
+/**
+ * Constructor
+ * @param resId					MPAL resource to open
+ */
+RMRes::RMRes(uint32 resID) {
+	_buf = NULL;
+
+	_h = g_vm->_resUpdate.queryResource(resID);
+	if (_h == NULL)
+		_h = mpalQueryResource(resID);
+	if (_h != NULL)
+		_buf = (byte *)globalLock(_h);
+}
+
+/**
+ * Destructor
+ */
+RMRes::~RMRes() {
+	if (_h != NULL) {
+		globalUnlock(_h);
+		globalFree(_h);
+	}
+}
+
+/**
+ * Returns a pointer to the resource
+ */
+const byte *RMRes::dataPointer() {
+	return _buf;
+}
+
+/**
+ * Returns a pointer to the resource
+ */
+RMRes::operator const byte *() {
+	return dataPointer();
+}
+
+/**
+ * Returns the size of the resource
+ */
+unsigned int RMRes::size() {
+	return globalSize(_h);
+}
+
+Common::SeekableReadStream *RMRes::getReadStream() {
+	return new Common::MemoryReadStream(_buf, size());
+}
+
+bool RMRes::isValid() {
+	return _h != NULL;
+}
+
+/****************************************************************************\
+*       RMResRaw methods
+\****************************************************************************/
+
+RMResRaw::RMResRaw(uint32 resID) : RMRes(resID) {
+}
+
+RMResRaw::~RMResRaw() {
+}
+
+const byte *RMResRaw::dataPointer() {
+	return _buf + 8;
+}
+
+RMResRaw::operator const byte *() {
+	return dataPointer();
+}
+
+int RMResRaw::width() {
+	return READ_LE_UINT16(_buf + 4);
+}
+
+int RMResRaw::height() {
+	return READ_LE_UINT16(_buf + 6);
+}
+
+} // end of namespace MPAL
+
+} // end of namespace Tony