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@ -91,6 +91,11 @@ function PaintWeb (win, doc) {
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*/
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*/
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this.layer = {id: null, canvas: null, context: null};
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this.layer = {id: null, canvas: null, context: null};
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/**
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* 원본 이미지
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*/
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this.orginl = {canvas: null, context: null};
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/**
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/**
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* The instance of the active tool object.
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* The instance of the active tool object.
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*
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*
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@ -168,6 +173,12 @@ function PaintWeb (win, doc) {
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*/
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*/
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this.win = win;
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this.win = win;
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/**
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* 밝기조절 슬라이더 값
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*
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*/
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this.brightnessSliderValue = 0;
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/**
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/**
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* Holds image information: width, height, zoom and more.
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* Holds image information: width, height, zoom and more.
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*
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*
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@ -742,6 +753,8 @@ function PaintWeb (win, doc) {
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this.commandRegister('clipboardPaste', this.clipboardPaste) &&
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this.commandRegister('clipboardPaste', this.clipboardPaste) &&
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this.commandRegister('imageSave', this.imageSave) &&
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this.commandRegister('imageSave', this.imageSave) &&
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this.commandRegister('imageRotate', this.imageRotate) &&
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this.commandRegister('imageRotate', this.imageRotate) &&
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this.commandRegister('imageBright', this.imageBright) &&
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this.commandRegister('imageDark', this.imageDark) &&
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this.commandRegister('imageClear', this.imageClear) &&
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this.commandRegister('imageClear', this.imageClear) &&
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this.commandRegister('swapFillStroke', this.swapFillStroke) &&
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this.commandRegister('swapFillStroke', this.swapFillStroke) &&
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this.commandRegister('imageZoomIn', this.imageZoomIn) &&
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this.commandRegister('imageZoomIn', this.imageZoomIn) &&
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@ -877,8 +890,10 @@ function PaintWeb (win, doc) {
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resInfo = doc.getElementById(res.elemId),
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resInfo = doc.getElementById(res.elemId),
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layerCanvas = doc.createElement('canvas'),
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layerCanvas = doc.createElement('canvas'),
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bufferCanvas = doc.createElement('canvas'),
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bufferCanvas = doc.createElement('canvas'),
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orginlCanvas = doc.createElement('canvas'),
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layerContext = layerCanvas.getContext('2d'),
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layerContext = layerCanvas.getContext('2d'),
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bufferContext = bufferCanvas.getContext('2d'),
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bufferContext = bufferCanvas.getContext('2d'),
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orginlContext = orginlCanvas.getContext('2d'),
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width = cfg.imageWidth,
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width = cfg.imageWidth,
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height = cfg.imageHeight,
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height = cfg.imageHeight,
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imageLoad = cfg.imageLoad;
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imageLoad = cfg.imageLoad;
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@ -914,16 +929,20 @@ function PaintWeb (win, doc) {
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}
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}
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res.elem = resInfo;
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res.elem = resInfo;
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this.image.width = layerCanvas.width = bufferCanvas.width = width;
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this.image.width = layerCanvas.width = bufferCanvas.width = orginlCanvas.width = width;
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this.image.height = layerCanvas.height = bufferCanvas.height = height;
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this.image.height = layerCanvas.height = bufferCanvas.height = orginlCanvas.height = height;
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this.layer.canvas = layerCanvas;
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this.layer.canvas = layerCanvas;
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this.layer.context = layerContext;
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this.layer.context = layerContext;
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this.buffer.canvas = bufferCanvas;
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this.buffer.canvas = bufferCanvas;
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this.buffer.context = bufferContext;
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this.buffer.context = bufferContext;
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this.orginl.canvas = orginlCanvas;
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this.orginl.context = orginlContext;
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if (imageLoad) {
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if (imageLoad) {
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layerContext.drawImage(imageLoad, 0, 0);
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layerContext.drawImage(imageLoad, 0, 0);
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orginlContext.drawImage(imageLoad,0,0);
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orginlCanvas.style.display = 'none';
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} else {
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} else {
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// Set the configured background color.
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// Set the configured background color.
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var fillStyle = layerContext.fillStyle;
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var fillStyle = layerContext.fillStyle;
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@ -2804,10 +2823,86 @@ function PaintWeb (win, doc) {
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var zoom = _self.image.zoom;
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var zoom = _self.image.zoom;
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_self.image.zoom=1;
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_self.image.zoom=1;
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_self.imageZoomTo(zoom);
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_self.imageZoomTo(zoom);
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return true;
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return true;
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};
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};
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/**
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* 밝기 조절(이미지 밝게)
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*/
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this.imageBright = function (type) {
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_self.brightnessSliderChange(20);
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};
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/**
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* 밝기 조절(이미지 어둡게)
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*/
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this.imageDark = function (type) {
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_self.brightnessSliderChange(-20);
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};
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this.brightnessSliderChange = function(step){
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_self.brightnessSliderValue += step;
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if(_self.brightnessSliderValue < -255){
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_self.brightnessSliderValue = -255;
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} else if(_self.brightnessSliderValue > 255){
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_self.brightnessSliderValue = 255;
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}
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// imageData를 가져온다.
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let orginlCanvasWidth = _self.orginl.canvas.width;
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let orginlCanvasHeight = _self.orginl.canvas.height;
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let orginlCtx = _self.orginl.context;
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let pixels = orginlCtx.getImageData(0,0, orginlCanvasWidth, orginlCanvasHeight);
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// image processing
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let filteredData = _self.brightnessCalc(pixels, _self.brightnessSliderValue);
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// Canvas에 다시 그린다.
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let jobCtx = _self.layer.context;
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jobCtx.putImageData(filteredData, 0 , 0);
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}
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this.brightnessCalc = function(pixels, sliderValue) {
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let imgSource = pixels.data;
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for(let i =0; i< imgSource.length; i+=4){
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let tempR = imgSource[i];
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let tempG = imgSource[i+1];
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let tempB = imgSource[i+2];
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tempR += sliderValue;
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tempG += sliderValue;
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tempB += sliderValue;
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if(tempR < 0){
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tempR = 0;
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} else if(tempR > 255){
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tempR = 255;
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}
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if(tempG < 0){
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tempG = 0;
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} else if(tempG > 255){
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tempG = 255;
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}
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if(tempB < 0){
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tempB = 0;
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} else if(tempB > 255){
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tempB = 255;
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}
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imgSource[i] = tempR;
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imgSource[i+1] = tempG;
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imgSource[i+2] = tempB;
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}
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return pixels;
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}
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/**
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/**
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* The <code>imageSaveResult</code> application event handler. This method
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* The <code>imageSaveResult</code> application event handler. This method
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* PaintWeb-related stuff: for example, the {@link PaintWeb.image.modified}
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* PaintWeb-related stuff: for example, the {@link PaintWeb.image.modified}
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