On 2017-05-15 20:40, Alejandro Tejada via use-livecode wrote:
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Read issue #82 here: https://goo.gl/8HNhau
Looks like Skia Graphics Library dropped support
for some features and LC9 will not show anymore
these types of gradients:
'XY', 'SqrtXY', 'Diamond' and 'Spiral'
These are back in - Michael managed to get them working again.
and most of these legacy Blend Modes:
clear, noop, notSrcAnd, notSrcAndReverse,
notSrcCopy, notSrcOr, notSrcOrReverse,
notSrcXor, reverse, set, srcAnd,
srcAndReverse, srcCopy, srcOr,
srcOrReverse, srcXor, blend, addPin
addOver, subPin, transparent
adMin, addMax
We're still on the fency about all of these - I do wonder how
much they are used anymore particularly as they do not fit into
the RGBA rendering model which everyone uses anymore and as such
are incredibly inefficient. (They will never be acceleratable,
for example).
I'd be surprised if people couldn't get similar effects by using
appropriate blend inks - if they are still in use at all.
If you check all paint features available
from Skia Library: https://skia.org/user/api/skpaint
there are many useful features that LC9
could implement, like:
setTextScaleX (and setTextScaleY)
SkPathEffect
SkLine2DPathEffect
SkDiscretePathEffect
SkComposePathEffect
SkSumPathEffect
Two-Point Conical Gradient Shader
Fractal Perlin Noise Shader
Turbulence Perlin Noise Shader
Compose Shader
Blur Mask Filter
Could LC implement first some of
these Skia features like Perlin Noise
and Blur filter?
Our first aim is to get the new Skia in and working as much as it
did before :)
Warmest Regards,
Mark.
--
Mark Waddingham ~ m...@livecode.com ~ http://www.livecode.com/
LiveCode: Everyone can create apps
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