admin/GeekDesk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

🐛 优化代码

Browse Source
This commit is contained in:
BookerLiu
2023-04-07 16:10:29 +08:00
parent 77a6233e63
commit 058ed5016a
1 changed files with 52 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

93
Util/ImageUtil.cs
View File

@@ -204,48 +204,55 @@ namespace GeekDesk.Util
try
{
Image img = Image.FromFile(filePath);
if (img.Width <= tWidth && img.Height <= tHeight)
FileInfo file = new FileInfo(filePath);
if (file.Exists && file.Length > 0)
{
return GetBitmapImageByFile(filePath);
}
else
{
Bitmap loBMP = new Bitmap(filePath);
ImageFormat loFormat = loBMP.RawFormat;
decimal lnRatio;
int lnNewWidth;
int lnNewHeight;
if (loBMP.Width > loBMP.Height)
Image img = Image.FromFile(filePath);
if (img.Width <= tWidth && img.Height <= tHeight)
{
lnRatio = (decimal)tWidth / loBMP.Width;
lnNewWidth = tWidth;
decimal lnTemp = loBMP.Height * lnRatio;
lnNewHeight = (int)lnTemp;
return GetBitmapImageByFile(filePath);
}
else
{
lnRatio = (decimal)tHeight / loBMP.Height;
lnNewHeight = tHeight;
decimal lnTemp = loBMP.Width * lnRatio;
lnNewWidth = (int)lnTemp;
}
Bitmap bmpOut = new Bitmap(lnNewWidth, lnNewHeight);
Graphics g = Graphics.FromImage(bmpOut);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.FillRectangle(System.Drawing.Brushes.White, 0, 0, lnNewWidth, lnNewHeight);
g.DrawImage(loBMP, 0, 0, lnNewWidth, lnNewHeight);
loBMP.Dispose();
string tempPath = Constants.APP_DIR + "\\temp";
if (File.Exists(tempPath))
{
Bitmap loBMP = new Bitmap(filePath);
ImageFormat loFormat = loBMP.RawFormat;
decimal lnRatio;
int lnNewWidth;
int lnNewHeight;
if (loBMP.Width > loBMP.Height)
{
lnRatio = (decimal)tWidth / loBMP.Width;
lnNewWidth = tWidth;
decimal lnTemp = loBMP.Height * lnRatio;
lnNewHeight = (int)lnTemp;
}
else
{
lnRatio = (decimal)tHeight / loBMP.Height;
lnNewHeight = tHeight;
decimal lnTemp = loBMP.Width * lnRatio;
lnNewWidth = (int)lnTemp;
}
Bitmap bmpOut = new Bitmap(lnNewWidth, lnNewHeight);
Graphics g = Graphics.FromImage(bmpOut);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.FillRectangle(System.Drawing.Brushes.White, 0, 0, lnNewWidth, lnNewHeight);
g.DrawImage(loBMP, 0, 0, lnNewWidth, lnNewHeight);
loBMP.Dispose();
string tempPath = Constants.APP_DIR + "\\temp";
if (File.Exists(tempPath))
{
File.Delete(tempPath);
}
bmpOut.Save(tempPath, loFormat);
BitmapImage bm = GetBitmapImageByFile(tempPath);
File.Delete(tempPath);
return bm;
}
bmpOut.Save(tempPath, loFormat);
BitmapImage bm = GetBitmapImageByFile(tempPath);
File.Delete(tempPath);
return bm;
} else
{
return Base64ToBitmapImage(Constants.DEFAULT_IMG_IMAGE_BASE64);
}
}
catch (Exception e)
@@ -365,14 +372,18 @@ namespace GeekDesk.Util
{
try
{
string strExt = Path.GetExtension(path).Substring(1);
string suffixs = "bmp,jpg,png,tif,gif,pcx,tga,exif,fpx,svg,psd,cdr,pcd,dxf,ufo,eps,ai,raw,WMF,webp,avif";
string[] suffixArr = suffixs.Split(',');
foreach (string suffix in suffixArr)
string ext = Path.GetExtension(path);
if (!string.IsNullOrEmpty(ext))
{
if (suffix.Equals(strExt, StringComparison.InvariantCultureIgnoreCase))
string strExt = Path.GetExtension(path).Substring(1);
string suffixs = "bmp,jpg,png,tif,gif,pcx,tga,exif,fpx,svg,psd,cdr,pcd,dxf,ufo,eps,ai,raw,WMF,webp,avif";
string[] suffixArr = suffixs.Split(',');
foreach (string suffix in suffixArr)
{
return true;
if (suffix.Equals(strExt, StringComparison.InvariantCultureIgnoreCase))
{
return true;
}
}
}
return false;