List of usage examples for com.itextpdf.text.pdf PdfContentByte saveState
public void saveState()
From source file:org.gephi.edgelayout.api.SubdividedEdgeRenderer.java
License:Open Source License
private void renderBigPDFItem(SubdividedEdgeBigItem item, RenderTarget target, PreviewProperties properties) { for (SortedEdgeWrapper edgeWrapper : item.edges) { Edge edge = edgeWrapper.edge;//from w w w. j a va 2 s.c o m EdgeLayoutData data = (EdgeLayoutData) edge.getEdgeData().getLayoutData(); Point2D.Double[] points = data.getSubdivisonPoints(); if (data.getEdgeColor() == null || points == null) { continue; } Color color = new Color(data.getEdgeColor().getRed(), data.getEdgeColor().getGreen(), data.getEdgeColor().getBlue(), (int) (255 * alpha)); PDFTarget pdfTarget = (PDFTarget) target; PdfContentByte cb = pdfTarget.getContentByte(); for (int i = 0; i < points.length - 1; i++) { cb.moveTo((float) points[i].x, (float) points[i].y); cb.lineTo((float) points[i + 1].x, (float) points[i + 1].y); } cb.setRGBColorStroke(color.getRed(), color.getGreen(), color.getBlue()); cb.setLineWidth(thickness); float usedAlpha = (forceAlpha ? intAlpha : color.getAlpha()); if (usedAlpha < 255) { cb.saveState(); float alpha = usedAlpha / 255f; PdfGState gState = new PdfGState(); gState.setStrokeOpacity(alpha); cb.setGState(gState); } cb.stroke(); if (usedAlpha < 255) { cb.restoreState(); } } }
From source file:org.gephi.edgelayout.api.SubdividedEdgeRenderer.java
License:Open Source License
private void renderBigAndComplexPDFItem(SubdividedEdgeBigItem item, RenderTarget target, PreviewProperties properties) {// www . j a va 2 s . co m for (SortedEdgeWrapper edgeWrapper : item.edges) { Edge edge = edgeWrapper.edge; EdgeLayoutData data = (EdgeLayoutData) edge.getEdgeData().getLayoutData(); Point2D.Double[] points = data.getSubdivisonPoints(); if (data.getSubdivisionEdgeColor() == null || data.getSubdivisionEdgeColor()[edgeWrapper.id] == null || points == null) { continue; } Color color = data.getSubdivisionEdgeColor()[edgeWrapper.id]; PDFTarget pdfTarget = (PDFTarget) target; PdfContentByte cb = pdfTarget.getContentByte(); int i = edgeWrapper.id; if (i == points.length - 1) { continue; } cb.moveTo((float) points[i].x, (float) points[i].y); cb.lineTo((float) points[i + 1].x, (float) points[i + 1].y); cb.setRGBColorStroke(color.getRed(), color.getGreen(), color.getBlue()); cb.setLineWidth(thickness); float usedAlpha = (forceAlpha ? intAlpha : color.getAlpha()); if (usedAlpha < 255) { cb.saveState(); float alpha = usedAlpha / 255f; PdfGState gState = new PdfGState(); gState.setStrokeOpacity(alpha); cb.setGState(gState); } cb.stroke(); if (usedAlpha < 255) { cb.restoreState(); } } }
From source file:org.gephi.io.exporter.preview.PDFExporter.java
License:Open Source License
public boolean execute() { Progress.start(progress);//from w ww.jav a 2s .co m PreviewController controller = Lookup.getDefault().lookup(PreviewController.class); controller.getModel(workspace).getProperties().putValue(PreviewProperty.VISIBILITY_RATIO, 1.0); controller.refreshPreview(workspace); PreviewProperties props = controller.getModel(workspace).getProperties(); Rectangle size = new Rectangle(pageSize); if (landscape) { size = new Rectangle(pageSize.rotate()); } Color col = props.getColorValue(PreviewProperty.BACKGROUND_COLOR); size.setBackgroundColor(new BaseColor(col.getRed(), col.getGreen(), col.getBlue())); Document document = new Document(size); PdfWriter pdfWriter = null; try { pdfWriter = PdfWriter.getInstance(document, stream); pdfWriter.setPdfVersion(PdfWriter.PDF_VERSION_1_5); pdfWriter.setFullCompression(); } catch (DocumentException ex) { Exceptions.printStackTrace(ex); } document.open(); PdfContentByte cb = pdfWriter.getDirectContent(); cb.saveState(); props.putValue(PDFTarget.LANDSCAPE, landscape); props.putValue(PDFTarget.PAGESIZE, size); props.putValue(PDFTarget.MARGIN_TOP, new Float((float) marginTop)); props.putValue(PDFTarget.MARGIN_LEFT, new Float((float) marginLeft)); props.putValue(PDFTarget.MARGIN_BOTTOM, new Float((float) marginBottom)); props.putValue(PDFTarget.MARGIN_RIGHT, new Float((float) marginRight)); props.putValue(PDFTarget.PDF_CONTENT_BYTE, cb); target = (PDFTarget) controller.getRenderTarget(RenderTarget.PDF_TARGET, workspace); if (target instanceof LongTask) { ((LongTask) target).setProgressTicket(progress); } try { controller.render(target, workspace); } catch (Exception e) { throw new RuntimeException(e); } cb.restoreState(); document.close(); Progress.finish(progress); props.putValue(PDFTarget.PDF_CONTENT_BYTE, null); props.putValue(PDFTarget.PAGESIZE, null); return !cancel; }
From source file:org.gephi.preview.plugin.renderers.ArrowRenderer.java
License:Open Source License
public void renderStraight(RenderTarget target, Item item, float x1, float y1, float x2, float y2, float radius, float size, Color color) { Edge edge = (Edge) item.getSource(); PVector direction = new PVector(x2, y2); direction.sub(new PVector(x1, y1)); direction.normalize();// w w w . j av a2s. c om PVector p1 = new PVector(direction.x, direction.y); p1.mult(radius); p1.add(new PVector(x2, y2)); PVector p1r = new PVector(direction.x, direction.y); p1r.mult(radius - size); p1r.add(new PVector(x2, y2)); PVector p2 = new PVector(-direction.y, direction.x); p2.mult(size * BASE_RATIO); p2.add(p1r); PVector p3 = new PVector(direction.y, -direction.x); p3.mult(size * BASE_RATIO); p3.add(p1r); if (target instanceof ProcessingTarget) { PGraphics graphics = ((ProcessingTarget) target).getGraphics(); graphics.noStroke(); graphics.fill(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); graphics.triangle(p1.x, p1.y, p2.x, p2.y, p3.x, p3.y); } else if (target instanceof SVGTarget) { SVGTarget svgTarget = (SVGTarget) target; Element arrowElem = svgTarget.createElement("polyline"); arrowElem.setAttribute("points", String.format(Locale.ENGLISH, "%f,%f %f,%f %f,%f", p1.x, p1.y, p2.x, p2.y, p3.x, p3.y)); arrowElem.setAttribute("class", edge.getSource().getNodeData().getId() + " " + edge.getTarget().getNodeData().getId()); arrowElem.setAttribute("fill", svgTarget.toHexString(color)); arrowElem.setAttribute("fill-opacity", (color.getAlpha() / 255f) + ""); arrowElem.setAttribute("stroke", "none"); svgTarget.getTopElement(SVGTarget.TOP_ARROWS).appendChild(arrowElem); } else if (target instanceof PDFTarget) { PDFTarget pdfTarget = (PDFTarget) target; PdfContentByte cb = pdfTarget.getContentByte(); cb.moveTo(p1.x, -p1.y); cb.lineTo(p2.x, -p2.y); cb.lineTo(p3.x, -p3.y); cb.closePath(); cb.setRGBColorFill(color.getRed(), color.getGreen(), color.getBlue()); if (color.getAlpha() < 255) { cb.saveState(); float alpha = color.getAlpha() / 255f; PdfGState gState = new PdfGState(); gState.setFillOpacity(alpha); cb.setGState(gState); } cb.fill(); if (color.getAlpha() < 255) { cb.restoreState(); } } }
From source file:org.gephi.preview.plugin.renderers.EdgeLabelRenderer.java
License:Open Source License
public void renderPDF(PDFTarget target, String label, float x, float y, Color color, float outlineSize, Color outlineColor) {/* w ww.j a v a 2 s.co m*/ PdfContentByte cb = target.getContentByte(); cb.setRGBColorFill(color.getRed(), color.getGreen(), color.getBlue()); BaseFont bf = target.getBaseFont(font); float textHeight = getTextHeight(bf, font.getSize(), label); if (outlineSize > 0) { cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_STROKE); cb.setRGBColorStroke(outlineColor.getRed(), outlineColor.getGreen(), outlineColor.getBlue()); cb.setLineWidth(outlineSize); cb.setLineJoin(PdfContentByte.LINE_JOIN_ROUND); cb.setLineCap(PdfContentByte.LINE_CAP_ROUND); if (outlineColor.getAlpha() < 255) { cb.saveState(); float alpha = outlineColor.getAlpha() / 255f; PdfGState gState = new PdfGState(); gState.setStrokeOpacity(alpha); cb.setGState(gState); } cb.beginText(); cb.setFontAndSize(bf, font.getSize()); cb.showTextAligned(PdfContentByte.ALIGN_CENTER, label, x, -y - (textHeight / 2f), 0f); cb.endText(); if (outlineColor.getAlpha() < 255) { cb.restoreState(); } } cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL); cb.beginText(); cb.setFontAndSize(bf, font.getSize()); cb.showTextAligned(PdfContentByte.ALIGN_CENTER, label, x, -y - (textHeight / 2f), 0f); cb.endText(); }
From source file:org.gephi.preview.plugin.renderers.EdgeRenderer.java
License:Open Source License
public void renderSelfLoop(Item nodeItem, float thickness, Color color, PreviewProperties properties, RenderTarget renderTarget) {/* w w w . ja v a2 s. c o m*/ Float x = nodeItem.getData(NodeItem.X); Float y = nodeItem.getData(NodeItem.Y); Float size = nodeItem.getData(NodeItem.SIZE); Node node = (Node) nodeItem.getSource(); PVector v1 = new PVector(x, y); v1.add(size, -size, 0); PVector v2 = new PVector(x, y); v2.add(size, size, 0); if (renderTarget instanceof ProcessingTarget) { PGraphics graphics = ((ProcessingTarget) renderTarget).getGraphics(); graphics.strokeWeight(thickness); graphics.stroke(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); graphics.noFill(); graphics.bezier(x, y, v1.x, v1.y, v1.x, v2.y, x, y); } else if (renderTarget instanceof SVGTarget) { SVGTarget svgTarget = (SVGTarget) renderTarget; Element selfLoopElem = svgTarget.createElement("path"); selfLoopElem.setAttribute("d", String.format(Locale.ENGLISH, "M %f,%f C %f,%f %f,%f %f,%f", x, y, v1.x, v1.y, v2.x, v2.y, x, y)); selfLoopElem.setAttribute("class", node.getNodeData().getId()); selfLoopElem.setAttribute("stroke", svgTarget.toHexString(color)); selfLoopElem.setAttribute("stroke-opacity", (color.getAlpha() / 255f) + ""); selfLoopElem.setAttribute("stroke-width", Float.toString(thickness * svgTarget.getScaleRatio())); selfLoopElem.setAttribute("fill", "none"); svgTarget.getTopElement(SVGTarget.TOP_EDGES).appendChild(selfLoopElem); } else if (renderTarget instanceof PDFTarget) { PDFTarget pdfTarget = (PDFTarget) renderTarget; PdfContentByte cb = pdfTarget.getContentByte(); cb.moveTo(x, -y); cb.curveTo(v1.x, -v1.y, v2.x, -v2.y, x, -y); cb.setRGBColorStroke(color.getRed(), color.getGreen(), color.getBlue()); cb.setLineWidth(thickness); if (color.getAlpha() < 255) { cb.saveState(); float alpha = color.getAlpha() / 255f; PdfGState gState = new PdfGState(); gState.setStrokeOpacity(alpha); cb.setGState(gState); } cb.stroke(); if (color.getAlpha() < 255) { cb.restoreState(); } } }
From source file:org.gephi.preview.plugin.renderers.EdgeRenderer.java
License:Open Source License
public void renderCurvedEdge(Item edgeItem, Item sourceItem, Item targetItem, float thickness, Color color, PreviewProperties properties, RenderTarget renderTarget) { Edge edge = (Edge) edgeItem.getSource(); Float x1 = sourceItem.getData(NodeItem.X); Float x2 = targetItem.getData(NodeItem.X); Float y1 = sourceItem.getData(NodeItem.Y); Float y2 = targetItem.getData(NodeItem.Y); //Curved edgs PVector direction = new PVector(x2, y2); direction.sub(new PVector(x1, y1)); float length = direction.mag(); direction.normalize();/*from w w w . ja v a2 s. c o m*/ float factor = properties.getFloatValue(BEZIER_CURVENESS) * length; // normal vector to the edge PVector n = new PVector(direction.y, -direction.x); n.mult(factor); // first control point PVector v1 = new PVector(direction.x, direction.y); v1.mult(factor); v1.add(new PVector(x1, y1)); v1.add(n); // second control point PVector v2 = new PVector(direction.x, direction.y); v2.mult(-factor); v2.add(new PVector(x2, y2)); v2.add(n); if (renderTarget instanceof ProcessingTarget) { PGraphics graphics = ((ProcessingTarget) renderTarget).getGraphics(); graphics.strokeWeight(thickness); graphics.stroke(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); graphics.noFill(); graphics.bezier(x1, y1, v1.x, v1.y, v2.x, v2.y, x2, y2); } else if (renderTarget instanceof SVGTarget) { SVGTarget svgTarget = (SVGTarget) renderTarget; Element edgeElem = svgTarget.createElement("path"); edgeElem.setAttribute("class", edge.getSource().getNodeData().getId() + " " + edge.getTarget().getNodeData().getId()); edgeElem.setAttribute("d", String.format(Locale.ENGLISH, "M %f,%f C %f,%f %f,%f %f,%f", x1, y1, v1.x, v1.y, v2.x, v2.y, x2, y2)); edgeElem.setAttribute("stroke", svgTarget.toHexString(color)); edgeElem.setAttribute("stroke-width", Float.toString(thickness * svgTarget.getScaleRatio())); edgeElem.setAttribute("stroke-opacity", (color.getAlpha() / 255f) + ""); edgeElem.setAttribute("fill", "none"); svgTarget.getTopElement(SVGTarget.TOP_EDGES).appendChild(edgeElem); } else if (renderTarget instanceof PDFTarget) { PDFTarget pdfTarget = (PDFTarget) renderTarget; PdfContentByte cb = pdfTarget.getContentByte(); cb.moveTo(x1, -y1); cb.curveTo(v1.x, -v1.y, v2.x, -v2.y, x2, -y2); cb.setRGBColorStroke(color.getRed(), color.getGreen(), color.getBlue()); cb.setLineWidth(thickness); if (color.getAlpha() < 255) { cb.saveState(); float alpha = color.getAlpha() / 255f; PdfGState gState = new PdfGState(); gState.setStrokeOpacity(alpha); cb.setGState(gState); } cb.stroke(); if (color.getAlpha() < 255) { cb.restoreState(); } } }
From source file:org.gephi.preview.plugin.renderers.EdgeRenderer.java
License:Open Source License
public void renderStraightEdge(Item edgeItem, Item sourceItem, Item targetItem, float thickness, Color color, PreviewProperties properties, RenderTarget renderTarget) { Edge edge = (Edge) edgeItem.getSource(); Float x1 = sourceItem.getData(NodeItem.X); Float x2 = targetItem.getData(NodeItem.X); Float y1 = sourceItem.getData(NodeItem.Y); Float y2 = targetItem.getData(NodeItem.Y); //Target radius - to start at the base of the arrow Float targetRadius = edgeItem.getData(TARGET_RADIUS); //Avoid edge from passing the node's center: if (targetRadius != null && targetRadius < 0) { PVector direction = new PVector(x2, y2); direction.sub(new PVector(x1, y1)); direction.normalize();//from w w w . j a va2s . c om direction = new PVector(direction.x, direction.y); direction.mult(targetRadius); direction.add(new PVector(x2, y2)); x2 = direction.x; y2 = direction.y; } //Source radius Float sourceRadius = edgeItem.getData(SOURCE_RADIUS); //Avoid edge from passing the node's center: if (sourceRadius != null && sourceRadius < 0) { PVector direction = new PVector(x1, y1); direction.sub(new PVector(x2, y2)); direction.normalize(); direction = new PVector(direction.x, direction.y); direction.mult(sourceRadius); direction.add(new PVector(x1, y1)); x1 = direction.x; y1 = direction.y; } if (renderTarget instanceof ProcessingTarget) { PGraphics graphics = ((ProcessingTarget) renderTarget).getGraphics(); graphics.strokeWeight(thickness); graphics.strokeCap(PGraphics.SQUARE); graphics.stroke(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()); graphics.noFill(); graphics.line(x1, y1, x2, y2); } else if (renderTarget instanceof SVGTarget) { SVGTarget svgTarget = (SVGTarget) renderTarget; Element edgeElem = svgTarget.createElement("path"); edgeElem.setAttribute("class", edge.getSource().getNodeData().getId() + " " + edge.getTarget().getNodeData().getId()); edgeElem.setAttribute("d", String.format(Locale.ENGLISH, "M %f,%f L %f,%f", x1, y1, x2, y2)); edgeElem.setAttribute("stroke", svgTarget.toHexString(color)); DecimalFormat df = new DecimalFormat("#.########"); edgeElem.setAttribute("stroke-width", df.format(thickness * svgTarget.getScaleRatio())); edgeElem.setAttribute("stroke-opacity", (color.getAlpha() / 255f) + ""); edgeElem.setAttribute("fill", "none"); svgTarget.getTopElement(SVGTarget.TOP_EDGES).appendChild(edgeElem); } else if (renderTarget instanceof PDFTarget) { PDFTarget pdfTarget = (PDFTarget) renderTarget; PdfContentByte cb = pdfTarget.getContentByte(); cb.moveTo(x1, -y1); cb.lineTo(x2, -y2); cb.setRGBColorStroke(color.getRed(), color.getGreen(), color.getBlue()); cb.setLineWidth(thickness); if (color.getAlpha() < 255) { cb.saveState(); float alpha = color.getAlpha() / 255f; PdfGState gState = new PdfGState(); gState.setStrokeOpacity(alpha); cb.setGState(gState); } cb.stroke(); if (color.getAlpha() < 255) { cb.restoreState(); } } }
From source file:org.gephi.preview.plugin.renderers.NodeLabelRenderer.java
License:Open Source License
public void renderPDF(PDFTarget target, Node node, String label, float x, float y, int fontSize, Color color, float outlineSize, Color outlineColor, boolean showBox, Color boxColor) { Font font = fontCache.get(fontSize); PdfContentByte cb = target.getContentByte(); BaseFont bf = target.getBaseFont(font); //Box/*from ww w. j av a2s . com*/ if (showBox) { cb.setRGBColorFill(boxColor.getRed(), boxColor.getGreen(), boxColor.getBlue()); if (boxColor.getAlpha() < 255) { cb.saveState(); float alpha = boxColor.getAlpha() / 255f; PdfGState gState = new PdfGState(); gState.setFillOpacity(alpha); cb.setGState(gState); } float textWidth = getTextWidth(bf, fontSize, label); float textHeight = getTextHeight(bf, fontSize, label); //A height of just textHeight seems to be half the text height sometimes //BaseFont getAscentPoint and getDescentPoint may be not very precise cb.rectangle(x - textWidth / 2f - outlineSize / 2f, -y - outlineSize / 2f - textHeight, textWidth + outlineSize, textHeight * 2f + outlineSize); cb.fill(); if (boxColor.getAlpha() < 255) { cb.restoreState(); } } cb.setRGBColorFill(color.getRed(), color.getGreen(), color.getBlue()); float textHeight = getTextHeight(bf, fontSize, label); if (outlineSize > 0) { cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_STROKE); cb.setRGBColorStroke(outlineColor.getRed(), outlineColor.getGreen(), outlineColor.getBlue()); cb.setLineWidth(outlineSize); cb.setLineJoin(PdfContentByte.LINE_JOIN_ROUND); cb.setLineCap(PdfContentByte.LINE_CAP_ROUND); if (outlineColor.getAlpha() < 255) { cb.saveState(); float alpha = outlineColor.getAlpha() / 255f; PdfGState gState = new PdfGState(); gState.setStrokeOpacity(alpha); cb.setGState(gState); } cb.beginText(); cb.setFontAndSize(bf, font.getSize()); cb.showTextAligned(PdfContentByte.ALIGN_CENTER, label, x, -y - (textHeight / 2f), 0f); cb.endText(); if (outlineColor.getAlpha() < 255) { cb.restoreState(); } } cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL); cb.beginText(); cb.setFontAndSize(bf, font.getSize()); cb.showTextAligned(PdfContentByte.ALIGN_CENTER, label, x, -y - (textHeight / 2f), 0f); cb.endText(); }
From source file:org.gephi.preview.plugin.renderers.NodeRenderer.java
License:Open Source License
public void renderPDF(Item item, PDFTarget target, PreviewProperties properties) { Float x = item.getData(NodeItem.X); Float y = item.getData(NodeItem.Y); Float size = item.getData(NodeItem.SIZE); size /= 2f;// ww w .ja v a 2s. c o m Color color = item.getData(NodeItem.COLOR); Color borderColor = ((DependantColor) properties.getValue(PreviewProperty.NODE_BORDER_COLOR)) .getColor(color); float borderSize = properties.getFloatValue(PreviewProperty.NODE_BORDER_WIDTH); float alpha = properties.getFloatValue(PreviewProperty.NODE_OPACITY) / 100f; PdfContentByte cb = target.getContentByte(); cb.setRGBColorStroke(borderColor.getRed(), borderColor.getGreen(), borderColor.getBlue()); cb.setLineWidth(borderSize); cb.setRGBColorFill(color.getRed(), color.getGreen(), color.getBlue()); if (alpha < 1f) { cb.saveState(); PdfGState gState = new PdfGState(); gState.setFillOpacity(alpha); gState.setStrokeOpacity(alpha); cb.setGState(gState); } cb.circle(x, -y, size); if (borderSize > 0) { cb.fillStroke(); } else { cb.fill(); } if (alpha < 1f) { cb.restoreState(); } }