I create a pdf file using the AlivePdf library (I do this in Flash via ActionScript). The problem is that the picture is clogged with some strange dots. 
In this case, these points disappear, if I greatly increase the scale, they are not displayed on the sheet when printing. But for some reason in PDF.
Can anyone tell me what the problem is?
The reason is as follows: AlivePdf is written with curved hands. In general, do not use the lineTo function. Instead, there is a drawLine function in the latest version. It is not buggy. Drawing with the moveTo-lineTo buggy constantly (for example, when you try to draw a dashed line, it will be displayed with different line widths, different long lines, different widths of gaps). And also keep in mind: for some reason, a strange library is posted on the AlivePdf website - that is, the functions they write that they are implemented are not implemented in the downloadable library. I found a library with implemented functions on a github by one craftsman. In general, google and do not build until you find a library with all the documented functions implemented.
Source: https://ru.stackoverflow.com/questions/552240/
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