24d6f3fb65
f32: optimize Affine2D
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encode/decode seem to introduce significant overhead. Inline them
manually. It'll make code harder to read, however the performance wins
are significant.
name \ time/op before after delta
TransformOffset-32 2.64ns ± 0% 0.25ns ± 0% ~ (p=0.100 n=3+3)
TransformScale-32 2.64ns ± 0% 0.25ns ± 1% ~ (p=0.100 n=3+3)
TransformRotate-32 2.65ns ± 0% 0.24ns ± 3% ~ (p=0.100 n=3+3)
TransformTranslateMultiply-32 42.5ns ± 0% 12.9ns ± 0% ~ (p=0.100 n=3+3)
TransformScaleMultiply-32 42.6ns ± 0% 12.9ns ± 0% ~ (p=0.100 n=3+3)
TransformMultiply-32 42.2ns ± 0% 12.9ns ± 2% ~ (p=0.100 n=3+3)
Signed-off-by: Egon Elbre <egonelbre@gmail.com >
2020-10-13 15:14:33 +02:00
e7bc1a4553
f32: implement 2D affine transformations
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Implements 2D affine transformations. This commit is a step
towards full affine transformations for drawing operations.
Heavily based on the work by Péter Szilágyi in patch 9212
Signed-off-by: Viktor <viktor.ogeman@gmail.com >
2020-06-21 11:17:37 +02:00
d82eb8fc66
layout,f32: add convenience functions for rectangles and points
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layout.FRect, layout.FPt for converting from integer to floating point,
useful for drawing operations.
f32.Pt is a shorthand that mirrors image.Pt.
Signed-off-by: Elias Naur <mail@eliasnaur.com >
2020-05-19 10:59:32 +02:00
0bf6de6cfa
f32: add package Rect shorthand function
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Signed-off-by: Wagner Riffel <wgrriffel@gmail.com >
2020-05-18 11:11:03 +02:00
390949790e
f32: implement fmt.Stringer to Point and Rectangle
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Signed-off-by: Wagner Riffel <wgrriffel@gmail.com >
2020-05-13 12:59:39 +02:00
22cd88df9f
all: rename the gioui.org/ui module to gioui.org
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The "ui" is redundant and stutters.
Signed-off-by: Elias Naur <mail@eliasnaur.com >
2019-09-30 12:37:06 +02:00
Egon Elbre