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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 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ * Low level graphics interface.
+ */
+
+#ifndef TINSEL_GRAPHICS_H // prevent multiple includes
+#define TINSEL_GRAPHICS_H
+
+#include "tinsel/dw.h"
+
+#include "common/rect.h"
+#include "common/system.h"
+#include "graphics/surface.h"
+
+namespace Tinsel {
+
+struct PALQ;
+
+
+#define SCREEN_WIDTH 320 // PC screen dimensions
+#define SCREEN_HEIGHT 200
+#define SCRN_CENTRE_X ((SCREEN_WIDTH - 1) / 2) // screen centre x
+#define SCRN_CENTRE_Y ((SCREEN_HEIGHT - 1) / 2) // screen centre y
+
+/** Class representing either a buffered surface or the physical screen. */
+class Surface : public Graphics::Surface {
+private:
+ bool _isScreen;
+public:
+ Surface(bool isScreen = false) { _isScreen = isScreen; }
+ Surface(int Width, int Height) { create(Width, Height, 1); _isScreen = false; }
+
+ // Surface methods
+ byte *getData() { return (byte *)pixels; }
+ byte *getBasePtr(int x, int y) { return (byte *)Graphics::Surface::getBasePtr(x, y); }
+
+ void update() {
+ if (_isScreen) {
+ g_system->copyRectToScreen((const byte *)pixels, pitch, 0, 0, w, h);
+ g_system->updateScreen();
+ }
+ }
+ void updateRect(const Common::Rect &r) {
+ g_system->copyRectToScreen(getBasePtr(r.left, r.top), pitch, r.left, r.top, r.width(), r.height());
+ g_system->updateScreen();
+ }
+
+};
+
+/** draw object structure - only used when drawing objects */
+struct DRAWOBJECT {
+ char *charBase; // character set base address
+ int transOffset; // transparent character offset
+ int flags; // object flags - see above for list
+ PALQ *pPal; // objects palette Q position
+ int constant; // which colour in palette for monochrome objects
+ int width; // width of object
+ int height; // height of object
+ SCNHANDLE hBits; // image bitmap handle
+ int lineoffset; // offset to next line
+ int leftClip; // amount to clip off object left
+ int rightClip; // amount to clip off object right
+ int topClip; // amount to clip off object top
+ int botClip; // amount to clip off object bottom
+ short xPos; // x position of object
+ short yPos; // y position of object
+};
+
+
+/*----------------------------------------------------------------------*\
+|* Function Prototypes *|
+\*----------------------------------------------------------------------*/
+
+void ClearScreen(uint32 val);
+void DrawObject(DRAWOBJECT *pObj);
+
+// called to update a rectangle on the video screen from a video page
+void UpdateScreenRect(const Common::Rect &pClip);
+
+} // end of namespace Tinsel
+
+#endif