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On 2/24/21 3:28 PM Manolo wrote:
On Wednesday, February 24, 2021 at 3:00:18 PM UTC+1 remy.o...@gmail.com
wrote:
Ideally for me, at 200% DPI a boxtype function could disable having
its own draw calls scaled, and instead multiply its own X/Y/W/H
arguments by screen_scale(), so it would be like drawing a box twice
as large and with a doubled offset from (0,0). (Then it would decide
whether to, for instance, draw some of its elements as thicker or not.)
When the scaling factor value is fractional, horizontal and vertical
lines have varying width, precisely to make
sure adjacent boxes remain adjacent. But at 200% (and 300%) all lines
have the same width as in the attached png.
I may add a new line style that would prevent lines from getting
variable width with fractional scale factors,
then your custom boxes would just have to use that line style. But it's
not possible, I believe, to simultaneously have
fixed-width lines, adjacent boxes or lines, and fractional scale factors.
What I think Remy wants is to be able to switch to a "non-scaling"
driver in his own draw() method, just like you could switch to an image
surface, draw to the surface at a higher resolution (w*scale, h*scale),
save the image, call image->scale(w,h) and then draw the image with
image->draw(). Or something like that, maybe. This would presumably work
for all scaling factors, not only integer ones.
@Remy: Maybe I missed some details but I think this would be possible
with the current Fl_Image_Surface stuff. It's a little effort but if
there's no better option...
@Manolo: Wouldn't it be great to be able to switch from the default
"scaling" drivers to "non-scaling" drivers if the user wants to do that
(as I think Remy would like to do)? As you can do with image surfaces etc.
This is just a thought, I don't know the scaling internals well enough,
but maybe there's a way ...
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