Merge branch 'avalanche'

This merges pull request 399 for the Avalanche engine developed during
GSoC2013.

1 files changed, 142 insertions, 0 deletions

diff --git a/engines/avalanche/graphics.h b/engines/avalanche/graphics.h
new file mode 100644
index 0000000000..4af6d4e8db
--- /dev/null
+++ b/engines/avalanche/graphics.h
@@ -0,0 +1,142 @@
+/* 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.
+ *
+ */
+
+/*
+ * This code is based on the original source code of Lord Avalot d'Argent version 1.3.
+ * Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
+ */
+
+#ifndef AVALANCHE_GRAPHICS_H
+#define AVALANCHE_GRAPHICS_H
+
+#include "avalanche/enums.h"
+
+#include "common/file.h"
+#include "common/rect.h"
+#include "graphics/surface.h"
+
+namespace Avalanche {
+class AvalancheEngine;
+class AnimationType;
+struct SpriteType;
+
+typedef byte FontType[256][16];
+typedef byte ManiType[2049];
+typedef byte SilType[51][11]; // 35, 4
+
+struct MouseHotspotType {
+	int16 _horizontal, _vertical;
+};
+
+class GraphicManager {
+public:
+	static const MouseHotspotType kMouseHotSpots[9];
+	Color _talkBackgroundColor, _talkFontColor;
+
+	GraphicManager(AvalancheEngine *vm);
+	~GraphicManager();
+	void init();
+	void loadDigits();
+	void loadMouse(byte which);
+
+	Common::Point drawScreenArc(int16 x, int16 y, int16 stAngle, int16 endAngle, uint16 radius, Color color);
+	void drawPieSlice(int16 x, int16 y, int16 stAngle, int16 endAngle, uint16 radius, Color color);
+	void drawTriangle(Common::Point *p, Color color);
+	void drawNormalText(const Common::String text, FontType font, byte fontHeight, int16 x, int16 y, Color color);
+	void drawScrollText(const Common::String text, FontType font, byte fontHeight, int16 x, int16 y, Color color);
+	void drawDigit(int index, int x, int y);
+	void drawDirection(int index, int x, int y);
+	void drawScrollShadow(int16 x1, int16 y1, int16 x2, int16 y2);
+	void drawShadowBox(int16 x1, int16 y1, int16 x2, int16 y2, Common::String text);
+	void drawScroll(int mx, int lx, int my, int ly);
+	void drawMenuBar(Color color);
+	void drawSpeedBar(int speed);
+	void drawBackgroundSprite(int16 x, int16 y, SpriteType &sprite);
+	void drawMenuBlock(int x1, int y1, int x2, int y2, Color color);
+	void drawMenuItem(int x1, int y1, int x2, int y2);
+	void wipeChar(int x, int y, Color color);
+	void drawChar(byte ander, int x, int y, Color color);
+	void drawDebugLines();
+
+	void clearAlso();
+	void clearTextBar();
+	void setAlsoLine(int x1, int y1, int x2, int y2, Color color);
+	byte getAlsoColor(int x1, int y1, int x2, int y2);
+	byte getScreenColor(Common::Point pos);
+
+	// The caller has to .free() the returned Surfaces!!!
+	// Further information about these two: http://www.shikadi.net/moddingwiki/Raw_EGA_data
+	Graphics::Surface loadPictureRaw(Common::File &file, uint16 width, uint16 height);
+
+	void drawSprite(AnimationType *sprite, byte picnum, int16 x, int16 y);
+	void drawPicture(Graphics::Surface &target, const Graphics::Surface picture, uint16 destX, uint16 destY);
+	void drawThinkPic(Common::String filename, int id);
+	void drawToolbar();
+	void drawCursor(byte pos);
+	void drawReadyLight(Color color);
+	void drawSign(Common::String name, int16 xl, int16 yl, int16 y);
+	void drawIcon(int16 x, int16 y, byte which);
+	void drawScreenLine(int16 x, int16 y, int16 x2, int16 y2, Color color);
+	void prepareBubble(int xc, int xw, int my, Common::Point points[3]);
+	void refreshScreen();
+	void loadBackground(Common::File &file);
+	void refreshBackground();
+	void setBackgroundColor(Color x);
+	void setDialogColor(Color bg, Color text);
+
+	void zoomOut(int16 x, int16 y);
+	void showScroll();
+	void getNaturalPicture(SpriteType &sprite);
+
+	void saveScreen();
+	void removeBackup();
+	void restoreScreen();
+
+private:
+	static const uint16 kBackgroundWidth = kScreenWidth;
+	static const byte kEgaPaletteIndex[16];
+	static const byte kBackgroundHeight = 8 * 12080 / kScreenWidth; // With 640 width it's 151.
+	// The 8 = number of bits in a byte, and 12080 comes from Lucerna::load().
+
+	Graphics::Surface _background;
+	Graphics::Surface _backup;
+	Graphics::Surface _digits[10]; // digitsize and rwlitesize are defined in loadDigits() !!!
+	Graphics::Surface _directions[9]; // Maybe it will be needed to move them to the class itself instead.
+	Graphics::Surface _magics; // Lucerna::draw_also_lines() draws the "magical" lines here. Further information: https://github.com/urukgit/avalot/wiki/Also
+	Graphics::Surface _screen; // Only used in refreshScreen() to make it more optimized. (No recreation of it at every call of the function.)
+	Graphics::Surface _scrolls;
+	Graphics::Surface _surface;
+	byte _egaPalette[64][3];
+
+	AvalancheEngine *_vm;
+
+	Graphics::Surface loadPictureGraphic(Common::File &file); // Reads Graphic-planar EGA data.
+	void drawText(Graphics::Surface &surface, const Common::String text, FontType font, byte fontHeight, int16 x, int16 y, Color color);
+	// Taken from Free Pascal's Procedure InternalEllipseDefault. Used to replace Pascal's procedure arc.
+	// Returns the end point of the arc. (Needed in Clock.)
+	// TODO: Make it more accurate later.
+	Common::Point drawArc(Graphics::Surface &surface, int16 x, int16 y, int16 stAngle, int16 endAngle, uint16 radius, Color color);
+};
+
+} // End of namespace Avalanche
+
+#endif // AVALANCHE_GRAPHICS_H