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+/**
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+ * Created by Tony on 2017/11/2.
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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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+ let 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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+ let me = this;
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+ let ctx = canvas.getContext("2d");
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+
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+ function private_setupAreaH(area, type, fontAngle, dftFontHeight, outputPoint) {
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+ let 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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+ let 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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+ let dftFontHeight = 12;
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+ let output = [];
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+ if (font) {
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+ dftFontHeight = 1 * font[JV.FONT_PROPS[1]];
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+ let dftOthers = "";
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+ let 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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+ let 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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+ let 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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+ let values = ("" + cell[JV.PROP_VALUE]).split('|');
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+ let font = fonts[cell[JV.PROP_FONT]];
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+ let control = controls[cell[JV.PROP_CONTROL]];
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+ let height = cell[JV.PROP_AREA][JV.PROP_BOTTOM] - cell[JV.PROP_AREA][JV.PROP_TOP];
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+ let 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 (let 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, isNeedMergeBand) {
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+ ctx.beginPath();
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+ let destStyle = style;
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+ if (mergedBand) {
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+ if (isNeedMergeBand && 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_chkIfInMergedBand(mergedBand, cell) {
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+ let rst = false;
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+ if (mergedBand && cell) {
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+ rst = mergedBand[JV.PROP_TOP] <= cell[JV.PROP_AREA][JV.PROP_TOP] && mergedBand[JV.PROP_BOTTOM] >= cell[JV.PROP_AREA][JV.PROP_BOTTOM] &&
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+ mergedBand[JV.PROP_LEFT] <= cell[JV.PROP_AREA][JV.PROP_LEFT] && mergedBand[JV.PROP_RIGHT] >= cell[JV.PROP_AREA][JV.PROP_RIGHT];
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+ }
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+ return rst;
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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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+ let style = styles[cell[JV.PROP_STYLE]];
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+ if (style) {
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+ let isNeedMergeBand = private_chkIfInMergedBand(mergedBand, cell);
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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, isNeedMergeBand);
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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, isNeedMergeBand);
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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, isNeedMergeBand);
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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, isNeedMergeBand);
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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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+ if (pageObj && pageObj.items.length > 0 && canvas && pageObj.items.length >= pageIdx) {
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+ let 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 (let j = 0; j < page.cells.length; j++) {
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+ let 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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+ },
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+ drawPageBorder: function(rptTpl, canvas, resolution) {
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+ let me = this;
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+ let size = rptTpl[JV.NODE_PAGE_INFO][JV.NODE_PAGE_SIZE].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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+ let 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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