internal static HandleRef getCPtrAndSetReference(intarray obj, object parent) { if (obj != null) { obj.swigParentRef = parent; return obj.swigCPtr; } else { return new HandleRef(null, IntPtr.Zero); } }
internal static HandleRef getCPtrAndDisown(intarray obj, object parent) { if (obj != null) { obj.swigCMemOwn = false; obj.swigParentRef = parent; return obj.swigCPtr; } else { return new HandleRef(null, IntPtr.Zero); } }
/// <summary> /// Export a legend image with specific requirements (bug 1015) /// </summary> /// <param name="map">The map object</param> /// <param name="width">The desired legend width</param> /// <param name="height">The desired legend height</param> /// <returns></returns> public static byte[] ExportLegend(mapObj map) { int width = 10; int height = 10; Bitmap bmp = null; Graphics g = null; for (int phase = 0; phase < 2; phase++) { if (phase == 0) { bmp = new Bitmap(100, 100, System.Drawing.Imaging.PixelFormat.Format24bppRgb); } else { bmp = new Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format24bppRgb); } g = Graphics.FromImage(bmp); Stack groupPositions = new Stack(); // for storing the group text positions Font legendFont = new Font("MS Sans Sherif", 8); // set default font g.Clear(Color.White); // clear the background int xPos = 5; // padding int yPos = 5; int xOffset = 24; // legend indent in pixels int yOffset = 18; // item height in pixels // force the recalculation of the current scale map.setExtent(map.extent.minx, map.extent.miny, map.extent.maxx, map.extent.maxy); // start drawing the legend in reverse layer order using (intarray ar = map.getLayersDrawingOrder()) { for (int i = map.numlayers - 1; i >= 0; i--) { layerObj layer = map.getLayer(ar.getitem(i)); if (layer.name == "__embed__scalebar" || layer.name == "__embed__legend" || layer.status == mapscript.MS_OFF || layer.name.StartsWith("~")) { continue; } if (map.scaledenom > 0) { if (layer.maxscaledenom > 0 && map.scaledenom > layer.maxscaledenom) { continue; } if (layer.minscaledenom > 0 && map.scaledenom <= layer.minscaledenom) { continue; } } if (layer.maxscaledenom <= 0 && layer.minscaledenom <= 0) { if (layer.maxgeowidth > 0 && ((map.extent.maxx - map.extent.minx) > layer.maxgeowidth)) { continue; } if (layer.mingeowidth > 0 && ((map.extent.maxx - map.extent.minx) < layer.mingeowidth)) { continue; } } // draw raster or WMS layers if (layer.type == MS_LAYER_TYPE.MS_LAYER_RASTER) { if (phase == 1) { g.DrawIcon(global::MapLibrary.Properties.Resources.raster, xPos, yPos); g.DrawString(layer.name, legendFont, Brushes.Black, xPos + 30, yPos + 2); } SizeF size = g.MeasureString(layer.name, legendFont); if (xPos + 30 + size.Width + 5 > width) { width = Convert.ToInt32(xPos + 30 + size.Width + 5); } yPos += yOffset; continue; } int numClasses = 0; Image legendImage = null; string legendText = null; for (int j = 0; j < layer.numclasses; j++) { classObj layerclass = layer.getClass(j); if (layerclass.name == "EntireSelection" || layerclass.name == "CurrentSelection") { continue; } if (layerclass.status == mapscript.MS_OFF) { continue; } if (map.scaledenom > 0) { /* verify class scale here */ if (layerclass.maxscaledenom > 0 && (map.scaledenom > layerclass.maxscaledenom)) { continue; } if (layerclass.minscaledenom > 0 && (map.scaledenom <= layerclass.minscaledenom)) { continue; } } if (numClasses == 1) { // draw subclasses xPos += xOffset; if (phase == 1) { // drawing the first class item (same as the layer) g.DrawImage(legendImage, xPos, yPos); g.DrawString(legendText, legendFont, Brushes.Black, xPos + 30, yPos + 2); } SizeF size = g.MeasureString(legendText, legendFont); if (xPos + 30 + size.Width + 5 > width) { width = Convert.ToInt32(xPos + 30 + size.Width + 5); } yPos += yOffset; } ++numClasses; // number of visible classes // creating the treeicons using (classObj def_class = new classObj(null)) // for drawing legend images { using (imageObj image = def_class.createLegendIcon(map, layer, 30, 20)) { // drawing the class icons layerclass.drawLegendIcon(map, layer, 20, 10, image, 5, 5); byte[] img = image.getBytes(); using (MemoryStream ms = new MemoryStream(img)) { legendImage = Image.FromStream(ms); legendText = layerclass.name; if (phase == 1) { g.DrawImage(legendImage, xPos, yPos); } if (numClasses > 1) { // draw the class item if (phase == 1) { g.DrawString(layerclass.name, legendFont, Brushes.Black, xPos + 30, yPos + 3); } SizeF size = g.MeasureString(layerclass.name, legendFont); if (xPos + 30 + size.Width + 5 > width) { width = Convert.ToInt32(xPos + 30 + size.Width + 5); } } else { // draw the layer item if (phase == 1) { g.DrawString(layer.name, legendFont, Brushes.Black, xPos + 30, yPos + 3); } SizeF size = g.MeasureString(layer.name, legendFont); if (xPos + 30 + size.Width + 5 > width) { width = Convert.ToInt32(xPos + 30 + size.Width + 5); } if (string.Compare(layer.styleitem, "AUTO", true) == 0) { yPos += yOffset; break; } } } } } yPos += yOffset; } if (numClasses > 1) { xPos -= xOffset; } } } height = yPos + 5; } g.Flush(); MemoryStream ms2 = new MemoryStream(); bmp.Save(ms2, System.Drawing.Imaging.ImageFormat.Png); return(ms2.ToArray()); }
internal static HandleRef getCPtr(intarray obj) { return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr; }