getPixel()

uint16_t AppWren::getPixel ( int16_t  x, int16_t  y  )

inline

get a pixel from the render target

Parameters

x
y

Returns

uint16_t

Definition at line 424 of file AppWren.h.

                                           {
        if (x < 0 || y < 0) return ILI9341_MAGENTA;
        if (draw){
            if (has_pop){
                if(y > SCREEN_HEIGHT || x > SCREEN_WIDTH) return ILI9341_MAGENTA;
                return draw->getFrameBuffer()[(SCREEN_WIDTH * y)+x];
            }else{
                if (!surface_cache) return ILI9341_MAGENTA;
                if (x >= surface_cache->getWidth()) return ILI9341_MAGENTA;
                if (y >= surface_cache->getHeight()) return ILI9341_MAGENTA;
                
                return draw->readSurfacePixel(surface_cache,x,y);
            }
        }
        return 0; 
    }

References AppBaseClass::draw, Surface::getHeight(), Surface::getWidth(), AppBaseClass::has_pop, ILI9341_t3_ERIS::readSurfacePixel(), surface_cache, AppBaseClass::x, and AppBaseClass::y.

Referenced by getPixelCallback().

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