GPURenderer.h

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///////////////////////////////////////////////////////////////////////////////
//
//  GPURenderer.h
//  spReticle.1.7
//
//  Created by Henry Vera on 4/23/13.
//
//

#ifndef spReticle_GPURenderer_h
#define spReticle_GPURenderer_h

#include "util.h"

class GPURenderer
{
    public:
        GPURenderer();
        virtual ~GPURenderer() =0;
    
        virtual void prepareForDraw(float portWidth, float portHeight) {};
        virtual void postDraw() {};
    
        // Set the filmback
        virtual void setFilmback(Filmback* filmback);
    
        // Given two Geom instances, this renders the mask area between them.
        virtual void drawMask( Geom g1, Geom g2, MColor color, bool sides, bool top=true ) =0;
    
        // This draws a single line between the specified points.
        virtual void drawLine(double x1, double x2, double y1, double y2,
                              MColor color, bool stipple) =0;
    
        // Given a Geom instance, this will draw a line connecting the points.
        // The argument side determines whether the sides will be drawn (the top
        // will always be drawn). The stipple argument specifies whether the line
        // should be solid or dashed/stippled.
        virtual void drawLines( Geom g, MColor color, bool sides, bool stipple) =0;
    
        // This function is responsible for rendering text.
        virtual void drawText(TextData *td, double tx, double ty) =0;
        
        // Make sure everything is ready for text drawing
        virtual void enableTextRendering() {};
        
        // Turn off text rendering
        virtual void disableTextRendering() {};
    
    protected:
        // The filmback of the camera
        Filmback *filmback;
};

#endif