This is correctly reporting A4 with an 8px non-printable area around the
edge:
8.27 × 11.69 inches 8.27 72 595.44
210 × 297 mm 11.69 72 841.68
8,8,834,587 834 8 842
l,t,r,b
587 8 595
A4 is 210 x 297mm which is 8.27 x 11.69 inches at 72px per inch is ~842
x 595 (rounding off)
Take the Right coordinate of 834 ad add 8 and you get 842 and the Bottom
of 587 and add 8 and you get 595
On 7/1/2017 2:58 AM, Terence Heaford via use-livecode wrote:
> Thanks for your explanation. It does seem logical.
>
> But where does 587 come from in 8,8,834,587 ?
>
> A4 is 553.
>
> Thanks
>
> Terry
>
>
>
>> On 30 Jun 2017, at 20:56, Bob Sneidar via use-livecode
>> <[email protected]> wrote:
>>
>> Almost no toner based printer can do this. It's called Full Bleed, and think
>> about what happens to the excess toner that has to go off the edge of the
>> paper to do that. Ink based printers are designed to do this because they
>> can just catch the ink that gets oversprayed, and you can clean/empty the
>> waste ink container periodically. Toner is different because the paper with
>> the toner has to travel through the fuser, and then what doesn't get fused
>> gets picked up in the waste toner bin AFTER the fusing process. The toner
>> that gets left behind on a toner based printer has to have some means of
>> being collected.
>>
>> There are a few production based copiers that can do this, but they are made
>> to do it. Most other printers are not.
>>
>> Bob S
>>
>>
>>> On Jun 30, 2017, at 12:48 , Paul Dupuis via use-livecode
>>> <[email protected]> wrote:
>>>
>>> Some printer can not print right to the edge of the paper. I believe
>>> that the numbers you are seeing reflect the physical limitation on the
>>> edges of this particular printer.
>>
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