Basic swim GUI for LPC4088
Fork of DMBasicGUI by
SlideShow/Renderer.h
- Committer:
- embeddedartists
- Date:
- 2014-12-21
- Revision:
- 5:f4de114c31c3
- Child:
- 13:bff2288c2c61
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