public virtual bool Create_Legend(string path, string name)
{
//提取legendInfo
string[] colors = null;
string[] titlesInfo = null;
this.InitRenderInfos("titlesInfo", ref titlesInfo, "legendInfo");
this.InitRenderInfos("colorsInfo", ref colors, "legendInfo");
//计算图例区间
ImageColor pBackground = new ImageColor("#192734");
int fontSize = 18, titleH = 46;
int nOffset_x = 10, nOffset_y = 10, nStepX = 10, nStepY = 10;
int nW_legend = 60, nH_legend = 20;
int nH = colors.Length * (nH_legend + nStepY) - nStepY + nOffset_y * 2 + nStepX + titleH;
int nW = nW_legend + nOffset_x * 2 + nW_legend + nStepY * 2;
int nNum = colors.Length - 1;
string pathLengend = Directory.GetCurrentDirectory() + "/ModelData/Image/GIS/Legend.png";
_Image_legend = new ImageObj();
_Image_legend.Create(pathLengend, nW, nH);
for (int i = 0; i < colors.Length; i++)
{
_Image_legend.DrawPolygon(nOffset_x, nOffset_y + titleH + i * (nH_legend + nStepY), _ImageColors[nNum - i].Color, 1, nW_legend, nH_legend, false);
_Image_legend.DrawText(nOffset_x + nW_legend + nStepX, nOffset_y + titleH + i * (nH_legend + nStepY), _ImageColors[nNum - i].Color, titlesInfo[i], null, 11, true, false, Alignment.Near, Alignment.Near);
}
_Image_legend.DrawText(nW / 2, nOffset_y, pBackground.Color, "图例", null, fontSize, true, false, Alignment.Center, Alignment.Near);
if (name + "" != "")
{
_Image_legend.Name = name;
}
return(_Image_legend.Save(path));
}
public bool InitGrid(bool bHead = true)
{
_w = size * 9;
_h = _w;
_x0 = (_img.Image.Width - _w) / 2;
_y0 = (_img.Image.Height - _h) / 2;
float thickness = 1;
//格网
var color = ImageColor.Parse(_colorLine);
for (int i = 0; i <= _sudoku._rows; i++)
{
thickness = i % 3 == 0 ? 4 : 0.4f;
_img.DrawPolygon(_x0, _y0 + i * size, color, thickness, _w, 1);
}
for (int i = 0; i <= _sudoku._cols; i++)
{
thickness = i % 3 == 0 ? 4 : 0.4f;
_img.DrawPolygon(_x0 + i * size, _y0, color, thickness, 1, _h);
}
//行列注解
List <string> lstHead = new List <string>()
{
"A", "B", "C", "D", "E", "F", "G", "H", "I"
};
if (bHead)
{
for (int i = 0; i < _sudoku._rows; i++)
{
_img.DrawText(_x0 - size / 2, _y0 + i * size + size / 2, color, (i + 1).ToString(), null, 12, true, false, Alignment.Center, Alignment.Center);
_img.DrawText(_x0 + size / 2 + _w, _y0 + i * size + size / 2, color, (i + 1).ToString(), null, 12, true, false, Alignment.Center, Alignment.Center);
_img.DrawText(_x0 + i * size + size / 2, _y0 - size / 3, color, lstHead[i], null, 11.6f, true, false, Alignment.Center, Alignment.Center);
_img.DrawText(_x0 + i * size + size / 2, _y0 + size / 3 + _h + 6, color, lstHead[i], null, 11.6f, true, false, Alignment.Center, Alignment.Center);
}
}
return(true);
}
public override bool Renderer(string strParams_renderer = "")
{
bool bResult = true;
_FloderRenderer = _FloderOutput;
if (base.Renderer(strParams_renderer))
{
//载入结果栅格
if (_dstRasterFile == "")
{
return(true);
}
GdalRead_TIFF gdalRead_TIFF = new GdalRead_TIFF();
gdalRead_TIFF.InitDataset(_dstRasterFile, 0, false);
string fileName = _Datas["title"] + _dtTag;
IRasterRenderer pRender = (IRasterRenderer)Renderer_Factory.CreateRenderer(emRenderType.Classify, gdalRead_TIFF);
pRender.InitParams(_Renderer);
pRender.Render();
pRender.Output(_FloderRenderer, fileName);
//图例处理等
JObject renderInfo = (JObject)pRender.ToRendererStr(false);
_Result["renderer"] = renderInfo;
_Renderer = (JObject)_Params["rendererParms"];
if (_Renderer != null)
{
//创建图例
if (Convert.ToBoolean(_Renderer["rendererOutputLegend"]))
{
bResult = bResult && pRender.Create_Legend(_FloderRenderer, "Legend_" + _Datas["title"]);
if (bResult)
{
_Result["renderer"]["renderer"]["nameLegend"] = pRender.Image_Legend.Name + pRender.Image_Legend.Suffix;
}
}
//创建发布图
if (Convert.ToBoolean(_Renderer["rendererOutputPublish"]))
{
//含图例的渲染图
ImageObj _Image = pRender.Image, _Image_legend = pRender.Image_Legend;
if (_Image_legend == null)
{
bResult = bResult && pRender.Create_Legend(_FloderRenderer, "Legend_" + _Datas["title"]);
_Image_legend = pRender.Image_Legend;
}
ImageColor pColor = new ImageColor("#192734");
ImageObj _Image_Scale = pRender.Create_Scale();
ImageObj img = new ImageObj(_Image.Width + _Image_legend.Width, _Image.Height > _Image_legend.Height ? _Image.Height : _Image_legend.Height);
img.DrawImage(_Image_legend.Width, 0, _Image, 1);
img.DrawImage(0, (int)((img.Height - _Image_legend.Height)), _Image_legend, 1);
img.DrawImage((int)(_Image_legend.Width * 1.2), (int)((img.Height - _Image_Scale.Height * 1.2)), _Image_Scale, 1);
img.DrawPolygon(0, 20, pColor.Color, 1, img.Width - 1, img.Height - 21);
img.Name = fileName + "_publish";
bResult = bResult && img.Save(_FloderRenderer);
if (bResult)
{
_Result["renderer"]["renderer"]["namePublish"] = img.Name + img.Suffix;
}
}
}
}
return(true);
}
