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comparison client/src/lib/mixins.js @ 3790:60977e18e227 yworks-svg2pdf

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client: improve pdf generation getTextHeight() * Remove second appearance of getTextHeight() in PdfTool.vue. * Rectify getTextHeight() by adding a comment about what it does and correcting the calulcation to output millimeter.
author Bernhard Reiter <bernhard@intevation.de>
date Wed, 03 Jul 2019 16:53:06 +0200
parents 3ca5a83e46af
children 3878bc0c8e58
comparison
equal deleted inserted replaced
3788:3ca5a83e46af 3790:60977e18e227
151 y = this.pdf.height - offset.y - height; 151 y = this.pdf.height - offset.y - height;
152 } 152 }
153 this.addRoundedBox(x, y, width, height, color, rounding, brcolor); 153 this.addRoundedBox(x, y, width, height, color, rounding, brcolor);
154 }, 154 },
155 getTextHeight(numberOfLines) { 155 getTextHeight(numberOfLines) {
156 return numberOfLines * ((this.pdf.doc.getFontSize() * 25.4) / 80) * 1.15; // see https://github.com/yWorks/jsPDF/blob/master/jspdf.js#L207 156 // Return estimated height in mm.
157
158 // FontSize is given in desktop publishing points defined as 1/72 inch.
159 // aka 25.4 / 72 mm
160 let fontSize = this.pdf.doc.getFontSize();
161 let lineHeightFactor = 1.15; // default from jspdf-yworks 2.0.2
162 if (typeof this.pdf.doc.getLineHeightFactor !== "undefined") {
163 lineHeightFactor = this.pdf.doc.getLineHeightFactor();
164 }
165 return numberOfLines * fontSize * (25.4 / 72) * lineHeightFactor;
157 }, 166 },
158 // title for diagram 167 // title for diagram
159 addDiagramTitle(position, offset, size, color, text) { 168 addDiagramTitle(position, offset, size, color, text) {
160 let x = offset.x, 169 let x = offset.x,
161 y = offset.y; 170 y = offset.y;