More renaming

svn-id: r47009

1 files changed, 130 insertions, 0 deletions

diff --git a/engines/sci/graphics/screen.h b/engines/sci/graphics/screen.h
new file mode 100644
index 0000000000..efcfa17e03
--- /dev/null
+++ b/engines/sci/graphics/screen.h
@@ -0,0 +1,130 @@
+/* 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 SCI_GRAPHICS_SCREEN_H
+#define SCI_GRAPHICS_SCREEN_H
+
+#include "sci/sci.h"
+#include "sci/graphics/helpers.h"
+
+namespace Sci {
+
+#define SCI_SCREEN_MAXHEIGHT 400
+
+#define SCI_SCREEN_MASK_VISUAL   1
+#define SCI_SCREEN_MASK_PRIORITY 2
+#define SCI_SCREEN_MASK_CONTROL  4
+#define SCI_SCREEN_MASK_DISPLAY  8 // not official sierra sci
+#define SCI_SCREEN_MASK_ALL      SCI_SCREEN_MASK_VISUAL|SCI_SCREEN_MASK_PRIORITY|SCI_SCREEN_MASK_CONTROL
+
+#define SCI_SCREEN_UNDITHERMEMORIAL_SIZE 256
+
+class Screen {
+public:
+	Screen(ResourceManager *resMan, int16 width = 320, int16 height = 200, bool upscaledHires = false);
+	~Screen();
+
+	void copyToScreen();
+	void copyFromScreen(byte *buffer);
+	void copyRectToScreen(const Common::Rect &rect);
+	void copyRectToScreen(const Common::Rect &rect, int16 x, int16 y);
+
+	byte getDrawingMask(byte color, byte prio, byte control);
+	void putPixel(int x, int y, byte drawMask, byte color, byte prio, byte control);
+	void putPixelOnDisplay(int x, int y, byte color);
+	void drawLine(Common::Point startPoint, Common::Point endPoint, byte color, byte prio, byte control);
+	void drawLine(int16 left, int16 top, int16 right, int16 bottom, byte color, byte prio, byte control) {
+		drawLine(Common::Point(left, top), Common::Point(right, bottom), color, prio, control);
+	}
+	bool getUpscaledHires() {
+		return _upscaledHires;
+	}
+	byte getVisual(int x, int y);
+	byte getPriority(int x, int y);
+	byte getControl(int x, int y);
+	byte isFillMatch(int16 x, int16 y, byte drawMask, byte t_color, byte t_pri, byte t_con);
+
+	int bitsGetDataSize(Common::Rect rect, byte mask);
+	void bitsSave(Common::Rect rect, byte mask, byte *memoryPtr);
+	void bitsGetRect(byte *memoryPtr, Common::Rect *destRect);
+	void bitsRestore(byte *memoryPtr);
+
+	void setPalette(Palette*pal);
+
+	void setVerticalShakePos(uint16 shakePos);
+
+	void scale2x(byte *src, byte *dst, int16 srcWidth, int16 srcHeight);
+
+	void dither(bool addToFlag);
+	void unditherSetState(bool flag);
+	int16 *unditherGetMemorial();
+
+	void debugShowMap(int mapNo);
+
+	uint16 _width;
+	uint16 _height;
+	uint _pixels;
+	uint16 _displayWidth;
+	uint16 _displayHeight;
+	uint _displayPixels;
+
+	int _picNotValid; // possible values 0, 1 and 2
+	int _picNotValidSci11; // another variable that is used by kPicNotValid in sci1.1
+
+	byte _colorWhite;
+	byte _colorDefaultVectorData;
+
+private:
+	void bitsRestoreScreen(Common::Rect rect, byte *&memoryPtr, byte *screen);
+	void bitsRestoreDisplayScreen(Common::Rect rect, byte *&memoryPtr);
+	void bitsSaveScreen(Common::Rect rect, byte *screen, byte *&memoryPtr);
+	void bitsSaveDisplayScreen(Common::Rect rect, byte *&memoryPtr);
+
+	bool _unditherState;
+	int16 _unditherMemorial[SCI_SCREEN_UNDITHERMEMORIAL_SIZE];
+
+public:	// HACK. TODO: make private
+	// these screens have the real resolution of the game engine (320x200 for SCI0/SCI1/SCI11 games, 640x480 for SCI2 games)
+	//  SCI0 games will be dithered in here at any time
+	byte *_visualScreen;
+	byte *_priorityScreen;
+	byte *_controlScreen;
+
+	// this screen is the one that is actually displayed to the user. It may be 640x480 for japanese SCI1 games
+	//  SCI0 games may be undithered in here. Only read from this buffer for Save/ShowBits usage.
+	byte *_displayScreen;
+private:
+	Common::Rect getScaledRect(Common::Rect rect);
+
+	ResourceManager *_resMan;
+
+	// this is a pointer to the currently active screen (changing it only required for debug purposes)
+	byte *_activeScreen;
+	bool _upscaledHires;
+};
+
+} // End of namespace Sci
+
+#endif