File content as of revision 5:f4de114c31c3:

#ifndef RENDERER_H
#define RENDERER_H

#include "rtos.h"
//#include "LcdController.h"
//#include "EaLcdBoard.h"
#include "Display.h"

class Renderer {
public:

    Renderer(/*LcdController::Config* screen, EaLcdBoard* lcdBoard*/);
    ~Renderer();

    /** Specifies a part of a layer
     *
     *  Returns a handle to pass when updating the framebuffer.
     *
     *  @param layer  0 is the bottom of the stack, higher number is on top
     *  @param xoff   top left corner of the drawing rectangle
     *  @param yoff   top left corner of the drawing rectangle
     *  @param width  width of the drawing rectangle
     *  @param height height of the drawing rectangle
     *
     *  @returns
     *       handle to pass to setFrameBuffer function
     *       0 on failure
     */
    uint32_t registerUser(int layer, int xoff, int yoff, int width, int height);
    uint32_t registerFullscreenUser(int layer);

    /** Removes the item from the renderer
     *
     *  @param handle the handle returned in the registerUser() call
     */
    void unregisterUser(uint32_t handle);

    /** Informs the renderer that there is new data to use
     *
     * Blocks until the data has been register. After that point the
     * data must not be modified until another call to setFramebuffer.
     *
     *  @param handle the handle returned in the registerUser() call
     *  @param data   the image data
     */
    void setFramebuffer(uint32_t handle, const uint16_t* data);

    void setRenderThread(Thread* renderThread) { t = renderThread; }

    /** Run the renderer
     *
     * Should be called from a high priority thread.
     */
    void render();

private:

    enum Constants {
      MaxNumLayers = 10,
    };

    typedef uint16_t* image_t;

    typedef struct {
      bool used;
      int x0;
      int y0;
      int x1;
      int y1;
      int width;
      int clippedHeight;
      int zorder;
      int signalId;
      bool fullscreen;
      const uint16_t* newData;
      const uint16_t* activeData;
      uint16_t* tmp;
      Mutex* lock;
    } layerinfo_t;

    layerinfo_t layers[MaxNumLayers];
    layerinfo_t* order[MaxNumLayers];

    int numRegisteredLayers;

    Thread* t;
    Mutex setupMutex;

    int screenWidth;
    int screenHeight;
    int screenPixels;
    int screenBytes;
    int activeBackBuffer;

    image_t ImageBackBuffer[2];

    //EaLcdBoard* board;
    Display* display;
};

#endif