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+/**
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+ * Created by chen on 2017/7/27.
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+ */
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+let can = require('canvas');
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+let canvas = new can(1200, 900,'pdf'), fs = require('fs');
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+let reportO = require('./reportOj');
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+//,ctx = canvas.getContext('2d')
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+/*var y = 80, x = 50;
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+ctx.font = '22px Helvetica';
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+ctx.fillText('node-canvas pdf', x, y);
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+ctx.font = '10px Arial';
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+ctx.fillText('Just a quick example of PDFs with node-canvas lonso', x, y += 20);
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+ctx.globalAlpha = .5;
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+ctx.fillRect(x, y += 20, 10, 10);
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+ctx.fillRect(x += 20, y, 10, 10);
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+ctx.fillRect(x += 20, y, 10, 10);*/
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+//fs.writeFile('out.pdf', canvas.toBuffer());
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+
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+
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+
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+let JpcCanvasOutput = {
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+ offsetX: 10,
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+ offsetY: 10,
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+ cleanCanvas: function (canvas) {
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+ var ctx = canvas.getContext("2d");
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+ ctx.save();
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+ ctx.fillStyle="white";
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+ ctx.clearRect(0,0, canvas.width, canvas.height);
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+ ctx.restore();
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+ },
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+ drawToCanvas : function(pageObj, canvas, pageIdx) {
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+ var me = this;
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+ var ctx = canvas.getContext("2d");
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+
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+ function private_setupAreaH(area, type, fontAngle, dftFontHeight, outputPoint) {
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+ var lType = type;
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+ if (type != "left" && type != "right" && type != "center") lType = "left";
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+ switch (lType) {
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+ case "left":
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+ if (fontAngle == JV.VERTICAL_ANGLE) {
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+ outputPoint[1] = 1 * area[JV.IDX_TOP] + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_LEFT];
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+ } else if (fontAngle == JV.ANTI_VERTICAL_ANGLE) {
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+ outputPoint[1] = 1 * area[JV.IDX_BOTTOM] - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_LEFT];
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+ } else outputPoint[0] = 1 * area[JV.IDX_LEFT] + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_LEFT];
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+ ctx.textAlign="start";
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+ break;
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+ case "right":
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+ if (fontAngle == JV.VERTICAL_ANGLE) {
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+ outputPoint[1] = 1 * area[JV.IDX_BOTTOM] - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_RIGHT];
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+ } else if (fontAngle == JV.ANTI_VERTICAL_ANGLE) {
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+ outputPoint[1] = 1 * area[JV.IDX_TOP] + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_RIGHT];
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+ } else outputPoint[0] = 1 * area[JV.IDX_RIGHT] - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_RIGHT];
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+ ctx.textAlign="end";
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+ break;
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+ case "center":
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+ if (fontAngle == JV.VERTICAL_ANGLE || fontAngle == JV.ANTI_VERTICAL_ANGLE) {
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+ outputPoint[1] = (1 * area[JV.IDX_TOP] + 1 * area[JV.IDX_BOTTOM]) / 2;
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+ } else outputPoint[0] = (1 * area[JV.IDX_LEFT] + 1 * area[JV.IDX_RIGHT]) / 2;
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+ ctx.textAlign="center";
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+ break;
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+ }
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+ }
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+ function private_setupAreaV(area, type, fontAngle, dftFontHeight, outputPoint) {
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+ var lType = type;
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+ if (type != "top" && type != "bottom" && type != "center") lType = "top";
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+ switch (lType) {
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+ case "top":
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+ if (fontAngle == JV.VERTICAL_ANGLE) {
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+ outputPoint[0] = 1 * area[JV.IDX_RIGHT] - dftFontHeight - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_TOP];
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+ } else if (fontAngle == JV.ANTI_VERTICAL_ANGLE) {
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+ outputPoint[0] = 1 * area[JV.IDX_LEFT] + dftFontHeight + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_TOP];
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+ } else outputPoint[1] = 1 * area[JV.IDX_TOP] + dftFontHeight + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_TOP];
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+ break;
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+ case "bottom":
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+ if (fontAngle == JV.VERTICAL_ANGLE) {
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+ outputPoint[0] = 1 * area[JV.IDX_LEFT] + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_BOTTOM];
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+ } else if (fontAngle == JV.ANTI_VERTICAL_ANGLE) {
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+ outputPoint[0] = 1 * area[JV.IDX_RIGHT] - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_BOTTOM];
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+ } else outputPoint[1] = 1 * area[JV.IDX_BOTTOM] - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_BOTTOM];
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+ break;
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+ case "center":
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+ if (fontAngle == JV.VERTICAL_ANGLE) {
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+ outputPoint[0] = (1 * area[JV.IDX_LEFT] + 1 * area[JV.IDX_RIGHT] - dftFontHeight) / 2;
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+ } else if (fontAngle == JV.ANTI_VERTICAL_ANGLE) {
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+ outputPoint[0] = (1 * area[JV.IDX_LEFT] + 1 * area[JV.IDX_RIGHT] + dftFontHeight) / 2;
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+ } else outputPoint[1] = (1 * area[JV.IDX_TOP] + 1 * area[JV.IDX_BOTTOM] + dftFontHeight) / 2;
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+ break;
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+ }
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+ }
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+ function private_drawText(val, area, font, control) {
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+ var dftFontHeight = 12;
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+ var output = [];
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+ if (font) {
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+ dftFontHeight = 1 * font[JV.FONT_PROPS[1]];
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+ var dftOthers = "";
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+ var dftFontBold = font[JV.FONT_PROPS[3]];
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+ if (dftFontBold && dftFontBold == 'T') {
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+ dftOthers = "bold " + dftOthers ;
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+ }
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+ var dftFontItalic = font[JV.FONT_PROPS[4]];
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+ if (dftFontItalic && dftFontItalic == 'T') {
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+ dftOthers = dftOthers + "italic ";
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+ }
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+ ctx.font = dftOthers + dftFontHeight + "px " + font[JV.PROP_NAME];
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+ }
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+ if (control) {
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+ private_setupAreaH(area, control.Horizon, font.FontAngle, dftFontHeight, output);
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+ private_setupAreaV(area, control.Vertical, font.FontAngle, dftFontHeight, output);
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+ } else {
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+ private_setupAreaH(area, "left", font.FontAngle, dftFontHeight, output);
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+ private_setupAreaV(area, "bottom", font.FontAngle, dftFontHeight, output);
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+ }
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+ var w = area[JV.IDX_RIGHT] - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_RIGHT] - area[JV.IDX_LEFT] - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_RIGHT];
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+ if (font.FontAngle != "0") {
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+ w = area[JV.IDX_BOTTOM] - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_BOTTOM] - area[JV.IDX_TOP] - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_TOP];
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+ }
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+ ctx.save();
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+ ctx.translate(output[0], output[1]);
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+ if (font.FontAngle == JV.VERTICAL_ANGLE) {
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+ ctx.rotate(Math.PI/2);
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+ } else if (font.FontAngle == JV.ANTI_VERTICAL_ANGLE) {
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+ ctx.rotate(-Math.PI/2);
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+ }
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+ if (w >= ctx.measureText(val).width) {
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+ ctx.fillText(val, 0, 0);
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+ } else {
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+ while (true) {
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+ dftFontHeight--;
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+ ctx.font = "" + dftFontHeight + "px " + font[JV.PROP_NAME];
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+ if (w >= ctx.measureText(val).width || dftFontHeight < 6) {
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+ ctx.fillText(val, 0, 0);
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+ break;
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+ }
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+ }
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+ }
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+ ctx.restore();
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+ }
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+ function private_drawCellText(cell, fonts, controls) {
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+ if (cell[JV.PROP_VALUE]) {
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+ var values = ("" + cell[JV.PROP_VALUE]).split('|');
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+ var font = fonts[cell[JV.PROP_FONT]];
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+ var control = controls[cell[JV.PROP_CONTROL]];
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+ var height = cell[JV.PROP_AREA][JV.PROP_BOTTOM] - cell[JV.PROP_AREA][JV.PROP_TOP];
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+ var area = [cell[JV.PROP_AREA][JV.PROP_LEFT] + me.offsetX, cell[JV.PROP_AREA][JV.PROP_TOP] + me.offsetY, cell[JV.PROP_AREA][JV.PROP_RIGHT] + me.offsetX, cell[JV.PROP_AREA][JV.PROP_BOTTOM] + me.offsetY];
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+ for (var i = 0; i < values.length; i++) {
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+ area[JV.IDX_TOP] = cell[JV.PROP_AREA][JV.PROP_TOP] + i * (height / values.length) + me.offsetY;
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+ area[JV.IDX_BOTTOM] = cell[JV.PROP_AREA][JV.PROP_TOP] + (i + 1) * (height / values.length) + me.offsetY;
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+ private_drawText(values[i], area, font, control);
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+ }
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+ }
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+ }
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+ function private_drawLine(cell, ctx, style, styleBorderDest, startP, destP, mergedBand, styles) {
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+ ctx.beginPath();
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+ var destStyle = style;
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+ if (mergedBand) {
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+ if (mergedBand[styleBorderDest] == cell[JV.PROP_AREA][styleBorderDest]) {
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+ destStyle = styles[mergedBand[JV.PROP_STYLE][JV.PROP_ID]];
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+ }
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+ }
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+ ctx.moveTo(cell[JV.PROP_AREA][startP[0]] + me.offsetX, cell[JV.PROP_AREA][startP[1]] + me.offsetY);
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+ if (destStyle[styleBorderDest] && destStyle[styleBorderDest][JV.PROP_LINE_WEIGHT] != 0) {
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+ ctx.lineWidth = 1.0 * destStyle[styleBorderDest][JV.PROP_LINE_WEIGHT];
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+ ctx.strokeStyle = destStyle[styleBorderDest][JV.PROP_COLOR];
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+ ctx.lineTo(cell[JV.PROP_AREA][destP[0]] + me.offsetX, cell[JV.PROP_AREA][destP[1]] + me.offsetY);
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+ }
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+ ctx.stroke();
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+ }
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+ function private_drawCell(cell, fonts, styles, controls, mergedBand) {
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+ ctx.save();
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+ ctx.translate(0.5,0.5);
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+ var style = styles[cell[JV.PROP_STYLE]];
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+ if (style) {
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+ private_drawLine(cell, ctx, style, JV.PROP_TOP, [JV.PROP_LEFT, JV.PROP_TOP],[JV.PROP_RIGHT, JV.PROP_TOP], mergedBand, styles);
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+ private_drawLine(cell, ctx, style, JV.PROP_RIGHT, [JV.PROP_RIGHT, JV.PROP_TOP],[JV.PROP_RIGHT, JV.PROP_BOTTOM], mergedBand, styles);
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+ private_drawLine(cell, ctx, style, JV.PROP_BOTTOM, [JV.PROP_RIGHT, JV.PROP_BOTTOM],[JV.PROP_LEFT, JV.PROP_BOTTOM], mergedBand, styles);
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+ private_drawLine(cell, ctx, style, JV.PROP_LEFT, [JV.PROP_LEFT, JV.PROP_BOTTOM],[JV.PROP_LEFT, JV.PROP_TOP], mergedBand, styles);
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+ }
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+ private_drawCellText(cell, fonts, controls);
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+ ctx.restore();
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+ }
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+
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+ for(var p=1;p<50;p++){
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+ pageIdx=p;
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+ if (pageObj && pageObj.items.length > 0 && canvas && pageObj.items.length >= pageIdx) {
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+ var page = pageObj.items[pageIdx - 1],
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+ fonts = pageObj[JV.NODE_FONT_COLLECTION],
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+ styles = pageObj[JV.NODE_STYLE_COLLECTION],
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+ controls = pageObj[JV.NODE_CONTROL_COLLECTION],
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+ mergedBand = pageObj[JV.BAND_PROP_MERGE_BAND];
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+ for (var j = 0; j < page.cells.length; j++) {
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+ var cell = page.cells[j];
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+ private_drawCell(cell, fonts, styles, controls, mergedBand);
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+ }
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+ }
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+ ctx.addPage();
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+ }
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+
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+ fs.writeFile('report.pdf', canvas.toBuffer());
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+ },
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+ drawPageBorder: function(rptTpl, canvas, resolution) {
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+ var me = this;
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+ var size = rptTpl[JV.NODE_PAGE_INFO].slice(0);
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+ size[0] = Math.round(resolution[0] * size[0]);
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+ size[1] = Math.round(resolution[0] * size[1]);
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+
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+ var ctx = canvas.getContext("2d");
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+ ctx.save();
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+ ctx.beginPath();
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+ ctx.translate(0.5,0.5);
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+ ctx.lineWidth = 1;
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+ ctx.moveTo(me.offsetX, me.offsetY);
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+ ctx.lineTo(size[0] + me.offsetX, me.offsetY);
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+ ctx.lineTo(size[0] + me.offsetX, size[1] + me.offsetY);
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+ ctx.lineTo(me.offsetX, size[1] + me.offsetY);
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+ ctx.lineTo(me.offsetX, me.offsetY);
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+ ctx.stroke();
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+ ctx.restore();
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+
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+ ctx.fillStyle="black";
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+ ctx.fillRect(size[0] + me.offsetX,10 + me.offsetY,10,size[1]);
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+ ctx.fillRect(10 + me.offsetX,size[1] + me.offsetY,size[0],10);
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+ }
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+}
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+
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+
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+let rpt_oj = reportO.reportObj;
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+
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+
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+
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+JpcCanvasOutput.drawToCanvas(rpt_oj,canvas,1);
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