From 651b6c612db4e809c506973996f2580c4158ac3a Mon Sep 17 00:00:00 2001
From: mickeyl <mickeyl>
Date: Sat, 27 Sep 2003 11:29:26 +0000
Subject: merge dasher which has been introduced in BRANCH first (wtf?) into HEAD

---
(limited to 'inputmethods/dasher/DasherScreen.h')

diff --git a/inputmethods/dasher/DasherScreen.h b/inputmethods/dasher/DasherScreen.h
new file mode 100644
index 0000000..36ca780
--- a/dev/null
+++ b/inputmethods/dasher/DasherScreen.h
@@ -0,0 +1,102 @@
+//! Class definition for the Dasher screen
+// DasherScreen.h
+//
+/////////////////////////////////////////////////////////////////////////////
+//
+// Copyright (c) 2001-2002 David Ward
+//
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef __DasherScreen_h_
+#define __DasherScreen_h_
+
+#include "DasherWidgetInterface.h"
+#include "DasherTypes.h"
+
+namespace Dasher {class CDasherScreen;}
+class Dasher::CDasherScreen
+{
+public:
+        //! \param width Width of the screen
+        //! \param height Height of the screen
+	CDasherScreen(int width,int height)
+		: m_iWidth(width), m_iHeight(height) {}
+	
+	//! Set the widget interface used for communication with the core
+	virtual void SetInterface(CDasherWidgetInterface* DasherInterface) {m_DasherInterface = DasherInterface;}
+	
+	//! Return the width of the screen
+	int GetWidth() const { return m_iWidth; }
+
+	//! Return the height of the screen
+	int GetHeight() const { return m_iHeight; }
+
+	//! Structure defining a point on the screen
+	typedef struct tagpoint { int x; int y; } point;
+
+	//! Set the Dasher font (ie, the screen font) to Name
+	//!
+	//! This is the font used to render letters in the main screen
+	virtual void SetFont(std::string Name)=0;
+
+	//! Set the Dasher font to Normal, Big or VBig
+	virtual void SetFontSize(Dasher::Opts::FontSize fontsize)=0;
+	
+	//! Return the Dasher font size
+	virtual Dasher::Opts::FontSize GetFontSize()=0;
+
+	// DasherView asks for the width and height of the given symbol at a requested height,
+	// then it is able to sensibly specify the upper left corner in DrawText.
+	//! Set Width and Height to those of the character Character at size Size
+	virtual void TextSize(symbol Character, int* Width, int* Height, int Size) const=0;
+	//! Draw character Character of size Size positioned at x1 and y1
+	virtual void DrawText(symbol Character, int x1, int y1, int Size) const=0;
+
+	
+	// Draw a filled rectangle - given position and color id
+	//! Draw a filled rectangle
+	//
+	//! Draw a coloured rectangle on the screen
+	//! \param x1 top left of rectangle (x coordinate)
+	//! \param y1 top left corner of rectangle (y coordinate)
+	//! \param x2 bottom right of rectangle (x coordinate)
+	//! \param y2 bottom right of rectangle (y coordinate)
+	//! \param Color the colour to be used (numeric)
+	//! \param ColorScheme Which colourscheme is to be used
+	virtual void DrawRectangle(int x1, int y1, int x2, int y2, int Color, Opts::ColorSchemes ColorScheme) const=0;
+	
+	// Draw a line of fixed colour (usually black). Intended for static UI elements such as a cross-hair
+	//! Draw a line between each of the points in the array
+	//
+	//! \param Number the number of points in the array
+	virtual void Polyline(point* Points, int Number) const=0;
+	
+	// Draw a filled polygon - given vertices and color id
+	// This is not (currently) used in standard Dasher. However, it could be very
+	// useful in the future. Please implement unless it will be very difficult,
+	// in which case make this function call Polyline.
+	//! Draw a filled polygon
+	//
+	//! \param Points array of points defining the edge of the polygon
+	//! \param Number number of points in the array
+	//! \param Color colour of the polygon (numeric)
+	//! \param Colorscheme Which colourscheme is to be used
+	virtual void DrawPolygon(point* Points, int Number, int Color, Opts::ColorSchemes ColorScheme) const=0;
+	
+	// Signal the screen when a frame is started and finished
+	//! Signal that a frame is being started
+	virtual void Blank() const=0;
+
+	//! Signal that a frame is finished - the screen should be updated
+	virtual void Display()=0;
+
+protected:
+	//! Width and height of the screen
+	const int m_iWidth, m_iHeight;
+
+	//! Pointer to a widget interface for communication with the core
+	CDasherWidgetInterface* m_DasherInterface;
+};
+
+
+#endif /* #ifndef __DasherScreen_h_ */
--
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