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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| /* | ||
| * Copyright (c) 2015-present, Horcrux. | ||
| * All rights reserved. | ||
| * | ||
| * This source code is licensed under the MIT-style license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
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| package com.horcrux.svg; | ||
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| import com.facebook.react.uimanager.annotations.ReactProp; | ||
| import com.facebook.react.views.text.ReactBaseTextShadowNode; | ||
| import com.facebook.yoga.YogaMeasureFunction; | ||
| import com.facebook.yoga.YogaMeasureMode; | ||
| import com.facebook.yoga.YogaMeasureOutput; | ||
| import com.facebook.yoga.YogaNode; | ||
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| public class SvgShadowNode extends ReactBaseTextShadowNode implements YogaMeasureFunction { | ||
| private float mVbWidth = 0; | ||
| private float mVbHeight = 0; | ||
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| public SvgShadowNode() { | ||
| setMeasureFunction(this); | ||
| } | ||
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| @ReactProp(name = "vbWidth") | ||
| public void setVbWidth(float vbWidth) { | ||
| mVbWidth = vbWidth; | ||
| } | ||
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| @ReactProp(name = "vbHeight") | ||
| public void setVbHeight(float vbHeight) { | ||
| mVbHeight = vbHeight; | ||
| } | ||
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| @Override | ||
| public long measure( | ||
| YogaNode node, | ||
| float baseWidth, | ||
| YogaMeasureMode widthMode, | ||
| float baseHeight, | ||
| YogaMeasureMode heightMode) { | ||
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| float width = baseWidth; | ||
| float height = baseHeight; | ||
| float maxWidth = widthMode == YogaMeasureMode.AT_MOST ? width : Float.MAX_VALUE; | ||
| float maxHeight = heightMode == YogaMeasureMode.AT_MOST ? height : Float.MAX_VALUE; | ||
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| if (mVbWidth != 0 && mVbHeight != 0) { | ||
| if (widthMode != YogaMeasureMode.EXACTLY) { | ||
| width = Math.min(mVbWidth / mVbHeight * height, maxWidth); | ||
| } | ||
| if (heightMode != YogaMeasureMode.EXACTLY) { | ||
| height = Math.min(mVbHeight / mVbWidth * width, maxHeight); | ||
| } | ||
| } | ||
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| return YogaMeasureOutput.make(width, height); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| /** | ||
| * Copyright (c) 2015-present, Horcrux. | ||
| * All rights reserved. | ||
| * | ||
| * This source code is licensed under the MIT-style license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
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| #import <UIKit/UIKit.h> | ||
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| #import <React/RCTShadowView.h> | ||
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| @class RCTBridge; | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| @interface RNSVGSvgShadowView : RCTShadowView | ||
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| @property (nonatomic, assign) CGFloat vbWidth; | ||
| @property (nonatomic, assign) CGFloat vbHeight; | ||
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| @end | ||
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| NS_ASSUME_NONNULL_END |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /** | ||
| * Copyright (c) 2015-present, Horcrux. | ||
| * All rights reserved. | ||
| * | ||
| * This source code is licensed under the MIT-style license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
|
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| #import "RNSVGSvgShadowView.h" | ||
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| @implementation RNSVGSvgShadowView | ||
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| - (instancetype)init | ||
| { | ||
| if (self = [super init]) { | ||
| YGNodeSetMeasureFunc(self.yogaNode, RNSVGSvgShadowViewMeasure); | ||
| } | ||
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| return self; | ||
| } | ||
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| static YGSize RNSVGSvgShadowViewMeasure(YGNodeRef node, float width, YGMeasureMode widthMode, float height, YGMeasureMode heightMode) | ||
| { | ||
| RNSVGSvgShadowView *shadowView = (__bridge RNSVGSvgShadowView *)YGNodeGetContext(node); | ||
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| CGSize size = {width, height}; | ||
| CGSize maximumSize = { | ||
| widthMode == YGMeasureModeAtMost ? size.width : CGFLOAT_MAX, | ||
| heightMode == YGMeasureModeAtMost ? size.height : CGFLOAT_MAX, | ||
| }; | ||
| if (shadowView.vbWidth != 0 && shadowView.vbHeight != 0) { | ||
| if (widthMode != YGMeasureModeExactly) { | ||
| size.width = MIN(shadowView.vbWidth / shadowView.vbHeight * size.height, maximumSize.width); | ||
| } | ||
| if (heightMode != YGMeasureModeExactly) { | ||
| size.height = MIN(shadowView.vbHeight / shadowView.vbWidth * size.width, maximumSize.height); | ||
| } | ||
| } | ||
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| return (YGSize){ | ||
| RCTYogaFloatFromCoreGraphicsFloat(size.width), | ||
| RCTYogaFloatFromCoreGraphicsFloat(size.height), | ||
| }; | ||
| } | ||
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| - (BOOL)isYogaLeafNode | ||
| { | ||
| return YES; | ||
| } | ||
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| - (void)layoutSubviewsWithContext:(RCTLayoutContext)layoutContext | ||
| { | ||
| // Do nothing. | ||
| } | ||
|
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| @end | ||
|
|
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