PEGASUS: Implement two of the primitive-based DisplayElements

1 files changed, 139 insertions, 0 deletions

diff --git a/engines/pegasus/elements.h b/engines/pegasus/elements.h
new file mode 100644
index 0000000000..2fc7a3abd3
--- /dev/null
+++ b/engines/pegasus/elements.h
@@ -0,0 +1,139 @@
+/* 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.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1995-1997 Presto Studios, Inc.
+ *
+ * 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.
+ *
+ */
+
+#ifndef PEGASUS_ELEMENTS_H
+#define PEGASUS_ELEMENTS_H
+
+#include "common/rect.h"
+#include "common/str.h"
+#include "common/system.h"
+#include "graphics/pict.h"
+#include "graphics/surface.h"
+
+#include "pegasus/pegasus.h"
+#include "pegasus/util.h"
+
+namespace Pegasus {
+
+class DisplayElement : public IDObject {
+friend class GraphicsManager;
+public:
+	DisplayElement(const tDisplayElementID);
+	virtual ~DisplayElement();
+	
+	void setDisplayOrder(const tDisplayOrder);
+	tDisplayOrder getDisplayOrder() const { return _elementOrder; }
+	
+	bool validToDraw(tDisplayOrder, tDisplayOrder);
+	
+	virtual void draw(const Common::Rect&) {}
+	bool isDisplaying() { return _elementIsDisplaying; }
+	virtual void startDisplaying();
+	virtual void stopDisplaying();
+	
+	virtual void show();
+	virtual void hide();
+	bool isVisible() { return _elementIsVisible; }
+	
+	// triggerRedraw only triggers a draw if the element is displaying and visible.
+	void triggerRedraw();
+	void setTriggeredElement(DisplayElement *);
+	
+	virtual void setBounds(const tCoordType, const tCoordType, const tCoordType, const tCoordType);
+	virtual void setBounds(const Common::Rect&);
+	virtual void getBounds(Common::Rect&) const;
+	virtual void sizeElement(const tCoordType, const tCoordType);
+	virtual void moveElementTo(const tCoordType, const tCoordType);
+	virtual void moveElement(const tCoordType, const tCoordType);
+	virtual void getLocation(tCoordType&, tCoordType&) const;
+	virtual void getCenter(tCoordType&, tCoordType&) const;
+	virtual void centerElementAt(const tCoordType, const tCoordType);
+
+protected:
+	Common::Rect _bounds;
+	bool _elementIsVisible;
+	DisplayElement *_triggeredElement;
+
+	// Used only by PegasusEngine
+	bool _elementIsDisplaying;
+	tDisplayOrder _elementOrder;
+	DisplayElement *_nextElement;
+};
+
+// I'm using the proper "highlight" instead of the evil
+// QuickDraw "hilite" :P (deal with it!)
+class DropHighlight : public DisplayElement {
+public:
+	DropHighlight(const tDisplayElementID);
+	virtual ~DropHighlight() {}
+
+	void setHighlightColor(const uint32 &highlight) { _highlightColor = highlight; }
+	void getHighlightColor(uint32 &highlight) const { highlight = _highlightColor; } 
+
+	void setHighlightThickness(const uint16 thickness) { _thickness = thickness; }
+	uint16 getHighlightThickness() const { return _thickness; }
+
+	void setHighlightCornerDiameter(const uint16 diameter) { _cornerDiameter = diameter; }
+	uint16 getHighlightCornerDiameter() const { return _cornerDiameter; }
+
+	virtual void draw(const Common::Rect&);
+
+protected:
+	uint32 _highlightColor;
+	uint16 _thickness;
+	uint16 _cornerDiameter;
+};
+
+class EnergyBar : public DisplayElement {
+public:
+	EnergyBar(const tDisplayElementID);
+	virtual ~EnergyBar() {}
+	
+	void getBarColor(uint32 &color) const { color = _barColor; }
+	void setBarColor(const uint32 &color) { _barColor = color; }
+	
+	long getEnergyLevel() const { return _energyLevel; }
+	void setEnergyLevel(const uint32);
+	
+	long getMaxEnergy() const { return _maxEnergy; }
+	void setMaxEnergy(const uint32);
+	
+	virtual void setBounds(const Common::Rect&);
+	
+	virtual void draw(const Common::Rect&);
+
+protected:
+	void calcLevelRect(Common::Rect&) const;
+	void checkRedraw();
+	
+	uint32 _energyLevel;
+	uint32 _maxEnergy;
+	Common::Rect _levelRect;
+	uint32 _barColor;
+};
+
+} // End of namespace Pegasus
+
+#endif