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-rw-r--r--graphics/module.mk3
-rw-r--r--graphics/wincursor.cpp235
-rw-r--r--graphics/wincursor.h94
3 files changed, 331 insertions, 1 deletions
diff --git a/graphics/module.mk b/graphics/module.mk
index c962f0617d..cb3a07e691 100644
--- a/graphics/module.mk
+++ b/graphics/module.mk
@@ -23,7 +23,8 @@ MODULE_OBJS := \
surface.o \
thumbnail.o \
VectorRenderer.o \
- VectorRendererSpec.o
+ VectorRendererSpec.o \
+ wincursor.o
ifdef USE_SCALERS
MODULE_OBJS += \
diff --git a/graphics/wincursor.cpp b/graphics/wincursor.cpp
new file mode 100644
index 0000000000..68b4023c0a
--- /dev/null
+++ b/graphics/wincursor.cpp
@@ -0,0 +1,235 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "common/debug.h"
+#include "common/file.h"
+#include "common/memstream.h"
+#include "common/str.h"
+#include "common/stream.h"
+#include "common/winexe_ne.h"
+
+#include "graphics/wincursor.h"
+
+namespace Graphics {
+
+WinCursor::WinCursor() {
+ _width = 0;
+ _height = 0;
+ _hotspotX = 0;
+ _hotspotY = 0;
+ _surface = 0;
+ _keyColor = 0;
+ memset(_palette, 0, 256 * 3);
+}
+
+WinCursor::~WinCursor() {
+ clear();
+}
+
+uint16 WinCursor::getWidth() const {
+ return _width;
+}
+
+uint16 WinCursor::getHeight() const {
+ return _height;
+}
+
+uint16 WinCursor::getHotspotX() const {
+ return _hotspotX;
+}
+
+uint16 WinCursor::getHotspotY() const {
+ return _hotspotY;
+}
+
+byte WinCursor::getKeyColor() const {
+ return _keyColor;
+}
+
+bool WinCursor::readFromStream(Common::SeekableReadStream &stream) {
+ clear();
+
+ _hotspotX = stream.readUint16LE();
+ _hotspotY = stream.readUint16LE();
+
+ // Check header size
+ if (stream.readUint32LE() != 40)
+ return false;
+
+ // Check dimensions
+ _width = stream.readUint32LE();
+ _height = stream.readUint32LE() / 2;
+
+ // Color planes
+ if (stream.readUint16LE() != 1)
+ return false;
+ // Bits per pixel
+ if (stream.readUint16LE() != 1)
+ return false;
+ // Compression
+ if (stream.readUint32LE() != 0)
+ return false;
+
+ // Image size + X resolution + Y resolution
+ stream.skip(12);
+
+ uint32 numColors = stream.readUint32LE();
+
+ if (numColors == 0)
+ numColors = 2;
+ else if (numColors > 2)
+ return false;
+
+ // Sanity check: ensure that enough data is there for the whole cursor
+ if ((uint32)(stream.size() - stream.pos()) < 40 + numColors * 4 + _width * _height * 2 / 8)
+ return false;
+
+ // Standard palette: transparent, black, white
+ _palette[6] = 0xff;
+ _palette[7] = 0xff;
+ _palette[8] = 0xff;
+
+ // Reading the palette
+ stream.seek(40 + 4);
+ for (uint32 i = 0 ; i < numColors; i++) {
+ _palette[(i + 1) * 3 + 2] = stream.readByte();
+ _palette[(i + 1) * 3 + 1] = stream.readByte();
+ _palette[(i + 1) * 3 + 0] = stream.readByte();
+ stream.readByte();
+ }
+
+ // Reading the bitmap data
+ uint32 dataSize = stream.size() - stream.pos();
+ byte *initialSource = new byte[dataSize];
+ stream.read(initialSource, dataSize);
+ const byte *srcP = initialSource;
+ const byte *srcM = srcP + ((_width * _height) / 8);
+
+ _surface = new byte[_width * _height];
+ byte *dest = _surface + _width * (_height - 1);
+
+ for (uint32 i = 0; i < _height; i++) {
+ byte *rowDest = dest;
+
+ for (uint32 j = 0; j < (_width / 8); j++) {
+ byte p = srcP[j];
+ byte m = srcM[j];
+
+ for (int k = 0; k < 8; k++, rowDest++, p <<= 1, m <<= 1) {
+ if ((m & 0x80) != 0x80) {
+ if ((p & 0x80) == 0x80)
+ *rowDest = 2;
+ else
+ *rowDest = 1;
+ } else
+ *rowDest = _keyColor;
+ }
+ }
+
+ dest -= _width;
+ srcP += _width / 8;
+ srcM += _width / 8;
+ }
+
+ delete[] initialSource;
+ return true;
+}
+
+void WinCursor::clear() {
+ delete[] _surface; _surface = 0;
+}
+
+WinCursorGroup::WinCursorGroup() {
+}
+
+WinCursorGroup::~WinCursorGroup() {
+ for (uint32 i = 0; i < cursors.size(); i++)
+ delete cursors[i].cursor;
+}
+
+WinCursorGroup *WinCursorGroup::createCursorGroup(Common::NEResources &exe, const Common::WinResourceID &id) {
+ Common::SeekableReadStream *stream = exe.getResource(Common::kNEGroupCursor, id);
+
+ if (!stream || stream->size() <= 6)
+ return 0;
+
+ stream->skip(4);
+ uint32 cursorCount = stream->readUint16LE();
+ if ((uint32)stream->size() < (6 + cursorCount * 16))
+ return 0;
+
+ WinCursorGroup *group = new WinCursorGroup();
+ group->cursors.reserve(cursorCount);
+
+ for (uint32 i = 0; i < cursorCount; i++) {
+ stream->readUint16LE(); // width
+ stream->readUint16LE(); // height
+
+ // Plane count
+ if (stream->readUint16LE() != 1) {
+ delete stream;
+ delete group;
+ return 0;
+ }
+
+ // Bit count
+ if (stream->readUint16LE() != 1) {
+ delete stream;
+ delete group;
+ return 0;
+ }
+
+ stream->readUint32LE(); // data size
+ uint32 cursorId = stream->readUint32LE();
+
+ Common::SeekableReadStream *cursorStream = exe.getResource(Common::kNECursor, cursorId);
+ if (!cursorStream) {
+ delete stream;
+ delete group;
+ return 0;
+ }
+
+ WinCursor *cursor = new WinCursor();
+ if (!cursor->readFromStream(*cursorStream)) {
+ delete stream;
+ delete cursorStream;
+ delete cursor;
+ delete group;
+ return 0;
+ }
+
+ delete cursorStream;
+
+ CursorItem item;
+ item.id = cursorId;
+ item.cursor = cursor;
+ group->cursors.push_back(item);
+ }
+
+ delete stream;
+ return group;
+}
+
+} // End of namespace Graphics
diff --git a/graphics/wincursor.h b/graphics/wincursor.h
new file mode 100644
index 0000000000..3e2fc55bb8
--- /dev/null
+++ b/graphics/wincursor.h
@@ -0,0 +1,94 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef GRAPHICS_WINCURSOR_H
+#define GRAPHICS_WINCURSOR_H
+
+#include "common/array.h"
+#include "common/winexe.h"
+
+namespace Common {
+ class NEResources;
+ class PEResources;
+ class SeekableReadStream;
+}
+
+namespace Graphics {
+
+/** A Windows cursor. */
+class WinCursor {
+public:
+ WinCursor();
+ ~WinCursor();
+
+ /** Return the cursor's width. */
+ uint16 getWidth() const;
+ /** Return the cursor's height. */
+ uint16 getHeight() const;
+ /** Return the cursor's hotspot's x coordinate. */
+ uint16 getHotspotX() const;
+ /** Return the cursor's hotspot's y coordinate. */
+ uint16 getHotspotY() const;
+ /** Return the cursor's transparent key. */
+ byte getKeyColor() const;
+
+ const byte *getSurface() const { return _surface; }
+ const byte *getPalette() const { return _palette; }
+
+ /** Read the cursor's data out of a stream. */
+ bool readFromStream(Common::SeekableReadStream &stream);
+
+private:
+ byte *_surface;
+ byte _palette[256 * 3];
+
+ uint16 _width; ///< The cursor's width.
+ uint16 _height; ///< The cursor's height.
+ uint16 _hotspotX; ///< The cursor's hotspot's x coordinate.
+ uint16 _hotspotY; ///< The cursor's hotspot's y coordinate.
+ byte _keyColor; ///< The cursor's transparent key
+
+ /** Clear the cursor. */
+ void clear();
+};
+
+struct WinCursorGroup {
+ WinCursorGroup();
+ ~WinCursorGroup();
+
+ struct CursorItem {
+ Common::WinResourceID id;
+ WinCursor *cursor;
+ };
+
+ Common::Array<CursorItem> cursors;
+
+ static WinCursorGroup *createCursorGroup(Common::NEResources &exe, const Common::WinResourceID &id);
+ //static WinCursorGroup *createCursorGroup(Common::PEResources &exe, const Common::WinResourceID &id);
+};
+
+} // End of namespace Graphics
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-10 10:48:27 +0000