private int[,] getSizeArray(string size)
{
string[] sizes = size.Split(',');
int[,] array = new int[sizes.Length, 2];
for (int i = 0; i < sizes.Length; i++)
{
array[i, 0] = St.ToInt32(sizes[i].Split('x')[0]);
array[i, 1] = St.ToInt32(sizes[i].Split('x')[1]);;
}
return(array);
}
/// <summary>
/// 作者：刘玉磊
/// 时间：2011-11-22
/// 功能：获取水印坐标(针对编辑)
/// </summary>
/// <param name="config"></param>
/// <param name="watermarkLoc"></param>
/// <returns></returns>
private int[] GetCoordinate(string config, string watermarkLoc)
{
int[] coordinate = new int[2];
string regVal = getCoordinateRegValue(watermarkLoc, config);
if (!string.IsNullOrEmpty(regVal))
{
coordinate[0] = St.ToInt32(regVal.Split(',')[0], 0);
coordinate[1] = St.ToInt32(regVal.Split(',')[1], 0);
}
return(coordinate);
}
public bool BuildImage()
{
//设置生成一张微信专用图 675*375 补白 赵英楠
Transfer(St.ToInt32(m_ImageSn, 0));
string thumSavePath = null;
string stampImageDir = null;
Bitmap baseImage = null;
Image stamp = null;
Bitmap thumImage = null;
Graphics g = null;
try
{
if (this.m_ThumbnailAry != null)
{
baseImage = new Bitmap(m_RootPath + GetImagePath(m_ImageSn, "origin"));
try
{
//stampImageDir = System.Web.HttpContext.Current.Server.MapPath("./StampImage/");
/*
* date:09.06.01
* type:change
* author:xuefeng
*/
stampImageDir = System.Web.HttpContext.Current.Server.MapPath("../StampImage");
}
catch
{
//if (System.Web.HttpContext.Current == null)
// stampImageDir = AppDomain.CurrentDomain.BaseDirectory + "StampImage\\";
//else
// stampImageDir = "./StampImage/";
/*
* date:09.06.01
* type:change
* author:xuefeng
*/
stampImageDir = System.Web.HttpContext.Current.Server.MapPath("StampImage");
}
ImageCodecInfo encoderInfo = GetEncoderInfoByExtension(this.m_ImageExtension);
EncoderParameter encoderParameter = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 90L);
EncoderParameters encoderParameters = new EncoderParameters(1);
encoderParameters.Param[0] = encoderParameter;
string Image0x0Path = m_RootPath + GetImagePath(m_ImageSn, "origin"); //原图地址
for (int i = 0; i < this.m_ThumbnailAry.GetLength(0); i++)
{
int width = m_ThumbnailAry[i, 0];
int height = m_ThumbnailAry[i, 1];
thumSavePath = m_RootPath + GetImagePath(m_ImageSn, width.ToString() + "x" + height.ToString());
double rate = baseImage.Height * 1.0 / baseImage.Width;
bool IsLessThanBase = false;//是否比原图小
if (width == 0 || height == 0)
{
width = baseImage.Width;
height = baseImage.Height;
}
else if (width == height) //宽高相等生成方图 不足部分补白 赵英楠 2015-06-29
{
ImageTransfer(width, height, Image0x0Path, thumSavePath); continue;
}
else if (this.m_FixedWidthAry != null)
{
if (this.m_FixedWidthAry[i])
{
height = (int)(width * 1.0 * baseImage.Height / baseImage.Width);
}
else
{
if ((height * 1.0f / width) < rate)
{
width = (int)(height * 1.0 * baseImage.Width / baseImage.Height);
}
else if ((height * 1.0f / width) > rate)
{
height = (int)(width * 1.0 * baseImage.Height / baseImage.Width);
}
}
}
else if (this.m_FixedAndCutHeightAry != null)
{
if (this.m_FixedAndCutHeightAry[i])//计算图片宽度
{
width = (int)(height * 1.0 * baseImage.Width / baseImage.Height);
}
else//正常情况下的
{
if ((height * 1.0f / width) < rate)
{
width = (int)(height * 1.0 * baseImage.Width / baseImage.Height);
}
else if ((height * 1.0f / width) > rate)
{
height = (int)(width * 1.0 * baseImage.Height / baseImage.Width);
}
}
}
else
{
if ((baseImage.Width < width) && (baseImage.Height < height))//如果原图比生成图小
{
IsLessThanBase = true;
}
if ((height * 1.0f / width) < rate)
{
width = (int)(height * 1.0 * baseImage.Width / baseImage.Height);
}
else if ((height * 1.0f / width) > rate)
{
height = (int)(width * 1.0 * baseImage.Height / baseImage.Width);
}
}
CheckDirectory(thumSavePath, true);
if (m_ThumbnailAry[i, 0] == 0 && m_ThumbnailAry[i, 1] == 0 && this.m_ImageExtension == ".gif")
{
File.Copy(Image0x0Path, thumSavePath, true);
continue;
}
if (this.m_ImageExtension == ".jpg" || this.m_ImageExtension == ".gif")
{
if (this.m_FixedAndCutHeightAry != null && this.m_FixedAndCutHeightAry[i])//当定宽定高需要裁剪宽度
{
thumImage = new Bitmap(m_ThumbnailAry[i, 0], m_ThumbnailAry[i, 1]);
}
else
{
if (IsLessThanBase)//如果原图比生成图小
{
//thumImage = new Bitmap(baseImage.Width, baseImage.Height);
//string ImagePath = m_RootPath + GetImagePath(m_ImageSn, "origin");
File.Copy(Image0x0Path, thumSavePath, true);
continue;
}
else
{
thumImage = new Bitmap(width, height);
}
}
g = Graphics.FromImage(thumImage);
// g.Clear(Color.White);
g.SmoothingMode = SmoothingMode.HighQuality;
g.InterpolationMode = InterpolationMode.HighQualityBilinear;
if (this.m_FixedAndCutHeightAry != null && this.m_FixedAndCutHeightAry[i]) //当定宽定高需要裁剪宽度
{
g.DrawImage(baseImage, -((width - m_ThumbnailAry[i, 0]) / 2), 0, width, height); //开始绘制宽度=(总宽度-需要的宽度)/2 也就是取中
}
else
{
g.DrawImage(baseImage, 0, 0, (IsLessThanBase ? baseImage.Width : width), (IsLessThanBase ? baseImage.Height : height));
}
//添加编辑特定的水印 liuyulei 2011-11-23
if (this.m_AddEditerStampAry != null && this.m_AddEditerStampAry[i])
{
if (width > 374 && height > 224)
{
g.CompositingMode = CompositingMode.SourceOver;
g.CompositingQuality = CompositingQuality.HighQuality;
DrawWatermarkToEditerImg(g, stampImageDir, width, height);
}
}
//Add stamp
else if (this.m_AddStampAry != null)
{
if (this.m_AddStampAry[i] == true)
{
if (width > 374 && height > 224)
{
g.CompositingMode = CompositingMode.SourceOver;
g.CompositingQuality = CompositingQuality.HighQuality;
int loc_x = 10;
int loc_y = 1;
//当原图尺寸小于到既定尺寸。取原图尺寸。
int basewidth = width < baseImage.Width ? width : baseImage.Width;
int baseheight = height < baseImage.Height ? height : baseImage.Height;
if (_isTraitImg)
{
stamp = Image.FromFile(stampImageDir + ((int)m_BuildImgUploadSite == 0 ? "" : ("\\" + m_BuildImgUploadSite)) + "\\pop.png");
g.DrawImage(stamp, 10, 10, stamp.Width, stamp.Height);
stamp = Image.FromFile(stampImageDir + ((int)m_BuildImgUploadSite == 0 ? "" : ("\\" + m_BuildImgUploadSite)) + "\\168.png");
g.DrawImage(stamp, (width - stamp.Width) - 10, (height - stamp.Height) - 10, stamp.Width, stamp.Height);
}
else
{
stamp = Image.FromFile(stampImageDir + ((int)m_BuildImgUploadSite == 0 ? "" : ("\\" + m_BuildImgUploadSite)) + "\\logo.png");
if (m_IsRandomLocation)
{
if (basewidth > 1200 && baseheight > 1200)
{
loc_x = getParameterRDLoc(stamp.Width, basewidth);
loc_y = getParameterRDLoc(stamp.Height, baseheight);
}//对
else
{
loc_x = getRandomLoc(stamp.Width, basewidth);
loc_y = getRandomLoc(stamp.Height, baseheight);
}
}
g.DrawImage(stamp, loc_x, loc_y, stamp.Width, stamp.Height);
}
stamp.Dispose();
stamp = null;
}
}
}
g.Dispose();
g = null;
thumImage.Save(thumSavePath, encoderInfo, encoderParameters);
thumImage.Dispose();
thumImage = null;
}
else
{
if (m_ThumbnailAry[i, 0] == 0 || m_ThumbnailAry[i, 1] == 0)
{
File.Copy(m_RootPath + GetImagePath(m_ImageSn, "origin"), thumSavePath, true);
}
else
{
thumImage = (Bitmap)baseImage.GetThumbnailImage(width, height, null, IntPtr.Zero);
thumImage.Save(thumSavePath, baseImage.RawFormat);
thumImage.Dispose();
thumImage = null;
}
}
}
if (this.m_SaveOx0asOriginal)
{
//string bakeImagePath = m_RootPath + GetImagePath(m_ImageSn, "origin");
File.Copy(Image0x0Path, Image0x0Path.Replace('/', '\\').Replace(@"\origin\", @"\0x0\"), true);
}
}
}
catch (Exception ee)
{
m_ErrMsg = ee.Message;
return(false);
}
finally
{
if (baseImage != null)
{
baseImage.Dispose();
baseImage = null;
}
if (g != null)
{
g.Dispose();
g = null;
}
if (thumImage != null)
{
thumImage.Dispose();
thumImage = null;
}
if (stamp != null)
{
stamp.Dispose();
stamp = null;
}
}
return(true);
}