Surface() [2/5]

Surface::Surface ( Surface *  SubSurfaceFrom, int16_t  width, int16_t  height  )

inline

Definition at line 80 of file ILI9341_t3_ERIS.h.

                                                                   {
        guid =  ((uint32_t)SubSurfaceFrom<<4) * ((uint32_t)width + ((uint32_t)height<<8));
        w = width;
        h = height;
        alloc_size = w*h;
        if (alloc_size < SURFACE_MIN_ALLOC_SIZE) alloc_size = SURFACE_MIN_ALLOC_SIZE;
        pSB = SubSurfaceFrom->requestSubSurfaceBufferP(alloc_size);
        //attempt to allocate a sub surface buffer then clear it
        /*
        Serial.print(F("M SubSurface alloted: "));
        Serial.print(alloc_size);
        Serial.print(F(" pixels GUID: "));
        Serial.println(guid);
        */
    }

References alloc_size, guid, h, pSB, requestSubSurfaceBufferP(), and w.

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