merge dasher which has been introduced in BRANCH first (wtf?) into HEAD

1 files changed, 102 insertions, 0 deletions

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_ */