private static IPictureMarkerSymbol MakeMarkerSymbol(string renderPath, string icon, int size, int display, bool isVector)
{
esriIPictureType picType = (isVector) ? esriIPictureType.esriIPictureEMF : esriIPictureType.esriIPicturePNG;
string extrafileName = (display == 2) ? "@2x" : "";
string suffix = (picType == esriIPictureType.esriIPictureEMF) ? ".emf" : ".png";
IPictureMarkerSymbol pictureMarkerSymbol = new PictureMarkerSymbolClass();
pictureMarkerSymbol.CreateMarkerSymbolFromFile(picType, renderPath + "\\" + icon + "-" + size + extrafileName + suffix);
pictureMarkerSymbol.Size = (((Double)size / 96.0) * 72.0); //so it is 1to1 at 96 dpi or twize that for retina
return(pictureMarkerSymbol);
}
private static IPictureMarkerSymbol MakeMarkerSymbol(string filePath, double size)
{
if (!System.IO.File.Exists(filePath))
{
Console.WriteLine("Source MarkerSymbol does NOT exist: " + filePath);
return(null);
}
bool isVector = (filePath.Substring(filePath.Length - 4) == ".emf");
esriIPictureType picType = (isVector) ? esriIPictureType.esriIPictureEMF : esriIPictureType.esriIPicturePNG;
IPictureMarkerSymbol pictureMarkerSymbol = new PictureMarkerSymbolClass();
pictureMarkerSymbol.CreateMarkerSymbolFromFile(picType, filePath);
pictureMarkerSymbol.Size = size;
return(pictureMarkerSymbol);
}
/// <summary>
/// 设置图片类型
/// </summary>
/// <param name="url"></param>
private void SetPictureType(string url)
{
int index = url.LastIndexOf('.');
int count = url.Length - 1 - index;
string picType = url.Substring(index + 1, count).ToLower();
switch (picType)
{
case "bmp":
pictureMarkerSymbol.CreateMarkerSymbolFromFile(esriIPictureType.esriIPictureBitmap, url);
pictureType = esriIPictureType.esriIPictureBitmap;
break;
case "emf":
pictureMarkerSymbol.CreateMarkerSymbolFromFile(esriIPictureType.esriIPictureEMF, url);
pictureType = esriIPictureType.esriIPictureEMF;
break;
case "gif":
pictureMarkerSymbol.CreateMarkerSymbolFromFile(esriIPictureType.esriIPictureGIF, url);
pictureType = esriIPictureType.esriIPictureGIF;
break;
case "jpg":
pictureMarkerSymbol.CreateMarkerSymbolFromFile(esriIPictureType.esriIPictureJPG, url);
pictureType = esriIPictureType.esriIPictureJPG;
break;
case "jpeg":
pictureMarkerSymbol.CreateMarkerSymbolFromFile(esriIPictureType.esriIPictureJPG, url);
pictureType = esriIPictureType.esriIPictureJPG;
break;
case "png":
pictureMarkerSymbol.CreateMarkerSymbolFromFile(esriIPictureType.esriIPicturePNG, url);
pictureType = esriIPictureType.esriIPicturePNG;
break;
}
}
