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lib/Device/Chip/SSD1306.xs  view on Meta::CPAN

    if(xlo >= xhi)
      RETVAL = newSVpvs("");
    else
      RETVAL = newSVpvn(&fb->pixels[page*fb->columns + xlo], xhi - xlo + 1);
  OUTPUT:
    RETVAL

void
_framebuffer_dirty_xlohi(SV *fbsv)
  PPCODE:
    struct SSD1306FrameBuffer *fb = INT2PTR(struct SSD1306FrameBuffer *, SvUV(fbsv));

    EXTEND(SP, 2);
    mPUSHi(fb->dirty_xlo);
    mPUSHi(fb->dirty_xhi);
    XSRETURN(2);

bool
_framebuffer_is_dirty_page(SV *fbsv, U8 page)
  CODE: