Apply transforms

This commit is contained in:
Frank A. Krueger 2017-11-10 13:41:51 -08:00
parent 75841b4a7e
commit 6ec5bbe5a3
3 changed files with 31 additions and 20 deletions

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@ -1,4 +1,5 @@
using System; using System;
using System.Collections.Generic;
using System.ComponentModel; using System.ComponentModel;
using System.Threading; using System.Threading;
using Xamarin.Forms; using Xamarin.Forms;
@ -157,33 +158,33 @@ namespace Ooui.Forms
uiview.Style.Opacity = opacity; uiview.Style.Opacity = opacity;
} }
//var transform = 0; var transforms = "";
//const double epsilon = 0.001; var transformOrigin = default (string);
//caLayer.AnchorPoint = new PointF (anchorX - 0.5f, anchorY - 0.5f); const double epsilon = 0.001;
//// position is relative to anchor point var icult = System.Globalization.CultureInfo.InvariantCulture;
//if (Math.Abs (anchorX - .5) > epsilon)
// transform = transform.Translate ((anchorX - .5f) * width, 0, 0);
//if (Math.Abs (anchorY - .5) > epsilon)
// transform = transform.Translate (0, (anchorY - .5f) * height, 0);
//if (Math.Abs (translationX) > epsilon || Math.Abs (translationY) > epsilon) // position is relative to anchor point
// transform = transform.Translate (translationX, translationY, 0); if ((Math.Abs (anchorX - 0.5) > epsilon) || (Math.Abs (anchorY - 0.5) > epsilon)) {
transformOrigin = string.Format (icult, "{0:0.######}% {1:0.######}%", anchorX*100, anchorY*100);
}
//if (Math.Abs (scale - 1) > epsilon) if (Math.Abs (translationX) > epsilon || Math.Abs (translationY) > epsilon)
// transform = transform.Scale (scale); transforms = string.Format (icult, "{0} translate({1:0.######}px,{2:0.######}px)", transforms, translationX, translationY);
//// not just an optimization, iOS will not "pixel align" a view which has m34 set if (Math.Abs (scale - 1) > epsilon)
//if (Math.Abs (rotationY % 180) > epsilon || Math.Abs (rotationX % 180) > epsilon) transforms = string.Format (icult, "{0} scale({1:0.######},{1:0.######})", transforms, scale);
// transform.m34 = 1.0f / -400f;
//if (Math.Abs (rotationX % 360) > epsilon) //if (Math.Abs (rotationX % 360) > epsilon)
// transform = transform.Rotate (rotationX * (float)Math.PI / 180.0f, 1.0f, 0.0f, 0.0f); // RotateX (rotationX);
//if (Math.Abs (rotationY % 360) > epsilon) //if (Math.Abs (rotationY % 360) > epsilon)
// transform = transform.Rotate (rotationY * (float)Math.PI / 180.0f, 0.0f, 1.0f, 0.0f); //RotateY (rotationY);
//transform = transform.Rotate (rotation * (float)Math.PI / 180.0f, 0.0f, 0.0f, 1.0f); if (Math.Abs (rotation % 360) > epsilon)
//caLayer.Transform = transform; transforms = string.Format (icult, "{0} rotate({1:0.######}deg)", transforms, rotation);
uiview.Style.Transform = transforms.Length > 0 ? transforms : null;
uiview.Style.TransformOrigin = transforms.Length > 0 ? transformOrigin : null;
_lastBounds = view.Bounds; _lastBounds = view.Bounds;
_lastParentBounds = viewParent?.Bounds ?? Rectangle.Zero; _lastParentBounds = viewParent?.Bounds ?? Rectangle.Zero;

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@ -1,5 +1,5 @@
var debug = true; var debug = false;
const nodes = {}; const nodes = {};

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@ -304,6 +304,16 @@ namespace Ooui
set => this["top"] = value; set => this["top"] = value;
} }
public Value Transform {
get => this["transform"];
set => this["transform"] = value;
}
public Value TransformOrigin {
get => this["transform-origin"];
set => this["transform-origin"] = value;
}
public Value VerticalAlign { public Value VerticalAlign {
get => this["vertical-align"]; get => this["vertical-align"];
set => this["vertical-align"] = value; set => this["vertical-align"] = value;