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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:windowtext'>I squeezed a little more out of putimage by doing as little math as possible with a couple of variables to store j*ptcwidth and i+j*ptcwidth I got my 1000x test loop down to 1.013 seconds. Here is what it looks like at the moment, any ideas on how to optimize it further?<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:windowtext'><a href="https://github.com/Zaaphod/ptcpas/compare/master...Zaaphod_Custom#diff-fb31461e009ff29fda5c35c5115978b4">https://github.com/Zaaphod/ptcpas/compare/master...Zaaphod_Custom#diff-fb31461e009ff29fda5c35c5115978b4</a><o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:windowtext'>var<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> pixels:Pword;<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> k: longint;<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> i, j, y1, x1, deltaX, deltaX1, deltaY: smallint;<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> JxW, I_JxW: Longword;<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'>..<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> XORPut: <o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> Begin<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> for j:=Y to Y1 do<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> Begin<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> JxW:=j*PTCWidth;<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> inc(k,deltaX);<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> for i:=X to X1 do<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> begin<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> I_JxW:=i+JxW;<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> pixels[I_JxW] := pixels[I_JxW] xor pt(bitmap)[k];<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> inc(k);<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> end;<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> inc(k,deltaX1);<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> End;<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'> End;<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'>..<o:p></o:p></span></p><p class=MsoNormal><span style='color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:windowtext'>James<o:p></o:p></span></p></div></body></html>