On GitHub Actions this test could fail with `Expected 1.3125 to be less
than 1` due to slight differences in the decimals of the `rect.y` value.
However, for this check we're only really interested in full pixels, so
this commit rounds the value up to the next integer to not be affected
by small decimal differences so the test passes on GitHub Actions too.
For the integration tests we prefer non-linked test cases because those
PDF files are directly checked into the Git repository and thus don't
need a separate download step that linked test cases do.
However, for the freetext and ink integration tests we currently use
`aboutstacks.pdf` which is a linked test case. Fortunately we don't need
to use it because for most tests we don't actually use any properties of
it: we only create editors on top of the canvas, but for that any PDF
file works, so we can simply use the non-linked `empty.pdf` file instead.
The only exception is the "aria-owns" test that needs a line of text from
the PDF file, so we move that particular test to a dedicated `describe`
block and adapt it to use the non-linked `attachment.pdf` file that just
contains a single line of text that can be used for this purpose.
The changes combined make 12 more integration tests run out-of-the-box
after a Git clone, which also simplifies running on GitHub Actions.
We used a SVG string which can be pass to the Path2D ctor but it's a bit slower than
building the path step by step.
Having numerical data instead of a string will help the font data serialization.
The position of the text rendered by `showText` is affected
incrementally by the preceding `showText` operations "on the same line".
For this reason, we keep track of all of them (with their dependencies)
in `sameLineText`.
`sameLineText` can be reset whenever we explicitly position the text
somewhere else. We were previously only doing it for `moveText`, and
this patch updates the code to also do it on `setTextMatrix` (which
resets `this.current.x/y` in `CanvasGraphics` to 0).
The complexity of subsequent `sameLineText` operations dependency
tracking grows quadratically with the number of operations on the same
line, so this patch fixes the performance problem when there are whole
pages of text that only use `setTextMatrix` and not `moveText`.
Python 3.14 is the current stable version, released on October 7th. The
dependencies we use also support Python 3.14 now, most importantly
`fonttools` for which the OS-specific builds have been published (see
the `cp314` wheels on https://pypi.org/project/fonttools/#files).
Follow up on https://github.com/mozilla/pdf.js/pull/20197,
This serializes pattern data into an ArrayBuffer which is
then transferred from the worker to the main thread.
It sets up the stage for us to eventually switch to a
SharedArrayBuffer in the future.
Instead of looking at every bbox, we use a grid (64x64) where each cell of the grid is associated with the bboxes
touching it.
In order to get the potential bboxes containing a point, we just have to compute the number of the cell containing
it and in using the associated described above, we can quickly know if the point is contained.
With the pdf in the mentioned bug, it's ~20 times faster.
