From b53d4b609e49e40f55352860d94d378c9c487acf Mon Sep 17 00:00:00 2001 From: tinsaye Date: Tue, 10 Oct 2017 13:51:15 +0200 Subject: [PATCH] limit portrait by height Instead of always sizing the image to the maximum width gives an option for limiting by height to prevent portrait beeing renderd to huge. Implementation is based on @Pjan fork. Solves @rmeissn issue jerryshew/react-image-cropper#5 prop limitHeight: 0 - for not limiting by height - default value value - max height --- component/Cropper.js | 51 ++- lib/Cropper.js | 55 ++- package-lock.json | 925 +------------------------------------------ 3 files changed, 81 insertions(+), 950 deletions(-) diff --git a/component/Cropper.js b/component/Cropper.js index 3da59b2..e0ebc8b 100644 --- a/component/Cropper.js +++ b/component/Cropper.js @@ -36,6 +36,7 @@ class Cropper extends Component { maxTop: 0, action: null, imgLoaded: false, + imgIsPortrait: false, styles: deepExtend({}, defaultStyles, styles), } } @@ -43,9 +44,10 @@ class Cropper extends Component { // initialize style, component did mount or component updated. initStyles (){ const container = ReactDOM.findDOMNode(this.refs.container) - this.setState({ - imgWidth: container.offsetWidth - }, () => { + this.setState(this.state.imgIsPortrait + ? {imgHeight: container.offsetHeight} + : {imgWidth: container.offsetWidth} + , () => { // calc frame width height let {originX, originY, disabled} = this.props if (disabled) return @@ -75,7 +77,6 @@ class Cropper extends Component { originY: toImgTop4Style, }); }) - }) } @@ -127,19 +128,32 @@ class Cropper extends Component { setTimeout(function () { let img = ReactDOM.findDOMNode(that.refs.img) if (img && img.naturalWidth) { - const {beforeImgLoad} = that.props - - // image scaleing - let _heightRatio = img.offsetWidth / img.naturalWidth - let height = parseInt(img.naturalHeight * _heightRatio) - // resize imgHeight - that.setState({ - imgHeight: height, - imgLoaded: true, - }, () => that.initStyles()) + const {beforeImgLoad, limitHeight} = that.props + // diside if img is a portrait + if (limitHeight && img.naturalHeight > img.naturalWidth) { + // image scaleing + let _widthRatio = limitHeight / img.naturalHeight + let width = parseInt(img.naturalWidth * _widthRatio) + //resize imgWidth + that.setState({ + imgWidth: width, + imgHeight: limitHeight, + imgLoaded: true, + imgIsPortrait: true, + }, () => that.initStyles()); + } else { + let _heightRatio = img.offsetWidth / img.naturalWidth + let height = parseInt(img.naturalHeight * _heightRatio) + // resize imgHeight + that.setState({ + imgHeight: height, + imgLoaded: true, + imgIsPortrait: false, + }, () => that.initStyles()) + } + // before image loaded hook beforeImgLoad() - } else if (img) { // catch if image naturalwidth is 0 that.imgGetSizeBeforeLoad() @@ -476,10 +490,10 @@ class Cropper extends Component { styles.container, { 'position': 'relative', - 'height': imgHeight + 'height': 'imgHeight', + 'width': imgWidth }) } ref="container"> - {imageNode} {imgLoaded ?
@@ -565,6 +579,8 @@ Cropper.PropTypes = { ratio: PropTypes.number, width: PropTypes.number, height: PropTypes.number, + // 0 for not limiting else max-height in px + limitHeight: PropTypes.number, fixedRatio: PropTypes.bool, allowNewSelection: PropTypes.bool, disabled: PropTypes.bool, @@ -582,6 +598,7 @@ Cropper.defaultProps = { ratio: 1, originX: 0, originY: 0, + limitHeight: 0, styles: {}, onImgLoad: function () { }, beforeImgLoad: function () { } diff --git a/lib/Cropper.js b/lib/Cropper.js index 9105f71..313bae3 100644 --- a/lib/Cropper.js +++ b/lib/Cropper.js @@ -58,6 +58,7 @@ var Cropper = function (_Component) { maxTop: 0, action: null, imgLoaded: false, + imgIsPortrait: false, styles: deepExtend({}, defaultStyles, styles) }; return _this; @@ -72,9 +73,7 @@ var Cropper = function (_Component) { var _this2 = this; var container = ReactDOM.findDOMNode(this.refs.container); - this.setState({ - imgWidth: container.offsetWidth - }, function () { + this.setState(this.state.imgIsPortrait ? { imgHeight: container.offsetHeight } : { imgWidth: container.offsetWidth }, function () { // calc frame width height var _props = _this2.props, originX = _props.originX, @@ -188,19 +187,37 @@ var Cropper = function (_Component) { setTimeout(function () { var img = ReactDOM.findDOMNode(that.refs.img); if (img && img.naturalWidth) { - var beforeImgLoad = that.props.beforeImgLoad; - - // image scaleing - - var _heightRatio = img.offsetWidth / img.naturalWidth; - var height = parseInt(img.naturalHeight * _heightRatio); - // resize imgHeight - that.setState({ - imgHeight: height, - imgLoaded: true - }, function () { - return that.initStyles(); - }); + var _that$props = that.props, + beforeImgLoad = _that$props.beforeImgLoad, + limitHeight = _that$props.limitHeight; + // diside if img is a portrait + + if (limitHeight && img.naturalHeight > img.naturalWidth) { + // image scaleing + var _widthRatio = limitHeight / img.naturalHeight; + var width = parseInt(img.naturalWidth * _widthRatio); + //resize imgWidth + that.setState({ + imgWidth: width, + imgHeight: limitHeight, + imgLoaded: true, + imgIsPortrait: true + }, function () { + return that.initStyles(); + }); + } else { + var _heightRatio = img.offsetWidth / img.naturalWidth; + var height = parseInt(img.naturalHeight * _heightRatio); + // resize imgHeight + that.setState({ + imgHeight: height, + imgLoaded: true, + imgIsPortrait: false + }, function () { + return that.initStyles(); + }); + } + // before image loaded hook beforeImgLoad(); } else if (img) { @@ -637,7 +654,8 @@ var Cropper = function (_Component) { { onMouseDown: this.handleDragStart.bind(this), onTouchStart: this.handleDragStart.bind(this), style: deepExtend({}, styles.container, { 'position': 'relative', - 'height': imgHeight + 'height': 'imgHeight', + 'width': imgWidth }), ref: 'container' }, imageNode, @@ -733,6 +751,8 @@ Cropper.PropTypes = { ratio: PropTypes.number, width: PropTypes.number, height: PropTypes.number, + // 0 for not limiting else max-height in px + limitHeight: PropTypes.number, fixedRatio: PropTypes.bool, allowNewSelection: PropTypes.bool, disabled: PropTypes.bool, @@ -750,6 +770,7 @@ Cropper.defaultProps = { ratio: 1, originX: 0, originY: 0, + limitHeight: 0, styles: {}, onImgLoad: function onImgLoad() {}, beforeImgLoad: function beforeImgLoad() {} diff --git a/package-lock.json b/package-lock.json index 425386b..d948d4d 100644 --- a/package-lock.json +++ b/package-lock.json @@ -2187,7 +2187,6 @@ "requires": { "anymatch": "1.3.2", "async-each": "1.0.1", - "fsevents": "1.1.2", "glob-parent": "2.0.0", "inherits": "2.0.3", "is-binary-path": "1.0.1", @@ -3766,905 +3765,6 @@ "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=", "dev": true }, - "fsevents": { - "version": "1.1.2", - 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} - }, - "tunnel-agent": { - "version": "0.6.0", - "bundled": true, - "dev": true, - "optional": true, - "requires": { - "safe-buffer": "5.0.1" - } - }, - "tweetnacl": { - "version": "0.14.5", - "bundled": true, - "dev": true, - "optional": true - }, - "uid-number": { - "version": "0.0.6", - "bundled": true, - "dev": true, - "optional": true - }, - "util-deprecate": { - "version": "1.0.2", - "bundled": true, - "dev": true - }, - "uuid": { - "version": "3.0.1", - "bundled": true, - "dev": true, - "optional": true - }, - "verror": { - "version": "1.3.6", - "bundled": true, - "dev": true, - "optional": true, - "requires": { - "extsprintf": "1.0.2" - } - }, - "wide-align": { - "version": "1.1.2", - "bundled": true, - "dev": true, - "optional": true, - "requires": { - "string-width": "1.0.2" - } - }, - "wrappy": { - "version": "1.0.2", - "bundled": true, - "dev": true - } - } - }, "function-bind": { "version": "1.1.0", "resolved": "http://r.npm.sankuai.com/function-bind/download/function-bind-1.1.0.tgz", @@ -5835,13 +4935,6 @@ "integrity": "sha1-j7+rsKmKJT0xhDMfno3rc3L6xsA=", "dev": true }, - "nan": { - "version": "2.6.2", - "resolved": "http://r.npm.sankuai.com/nan/download/nan-2.6.2.tgz", - "integrity": "sha1-5P805slf37WuzAjeZZb0NgWn20U=", - "dev": true, - "optional": true - }, "ncname": { "version": "1.0.0", "resolved": "http://r.npm.sankuai.com/ncname/download/ncname-1.0.0.tgz", @@ -8019,15 +7112,6 @@ "integrity": "sha1-J5siXfHVgrH1TmWt3UNS4Y+qBxM=", "dev": true }, - "string_decoder": { - "version": "1.0.3", - "resolved": "http://r.npm.sankuai.com/string_decoder/download/string_decoder-1.0.3.tgz", - "integrity": "sha1-D8Z9fBQYJd6UKC3VNr7GubzoYKs=", - "dev": true, - "requires": { - "safe-buffer": "5.1.1" - } - }, "string-width": { "version": "2.1.1", "resolved": "http://r.npm.sankuai.com/string-width/download/string-width-2.1.1.tgz", @@ -8061,6 +7145,15 @@ } } }, + "string_decoder": { + "version": "1.0.3", + "resolved": "http://r.npm.sankuai.com/string_decoder/download/string_decoder-1.0.3.tgz", + "integrity": "sha1-D8Z9fBQYJd6UKC3VNr7GubzoYKs=", + "dev": true, + "requires": { + "safe-buffer": "5.1.1" + } + }, "stringstream": { "version": "0.0.5", "resolved": "http://r.npm.sankuai.com/stringstream/download/stringstream-0.0.5.tgz",