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This commit is contained in:
liufei
2021-05-26 17:19:04 +08:00
parent 8deff6c9d5
commit 569b330976
12 changed files with 253 additions and 65 deletions
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8
Util/CommonCode.cs
View File

@@ -18,16 +18,16 @@ namespace GeekDesk.Util
public static AppData GetAppDataByFile()
{
AppData appData;
if (!File.Exists(AppConstant.DATA_FILE_PATH))
if (!File.Exists(Constants.DATA_FILE_PATH))
{
using (FileStream fs = File.Create(AppConstant.DATA_FILE_PATH)) { }
using (FileStream fs = File.Create(Constants.DATA_FILE_PATH)) { }
appData = new AppData();
SaveAppData(appData);
}
else
{
using (FileStream fs = new FileStream(AppConstant.DATA_FILE_PATH, FileMode.Open))
using (FileStream fs = new FileStream(Constants.DATA_FILE_PATH, FileMode.Open))
{
BinaryFormatter bf = new BinaryFormatter();
appData = bf.Deserialize(fs) as AppData;
@@ -43,7 +43,7 @@ namespace GeekDesk.Util
public static void SaveAppData(AppData appData)
{
using (FileStream fs = new FileStream(AppConstant.DATA_FILE_PATH, FileMode.Create))
using (FileStream fs = new FileStream(Constants.DATA_FILE_PATH, FileMode.Create))
{
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(fs, appData);

183
Util/ImageUtil.cs
View File

@@ -1,8 +1,11 @@
using GeekDesk.Constant;
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.IO;
using System.Windows;
using System.Windows.Interop;
using System.Windows.Media.Imaging;
namespace GeekDesk.Util
@@ -66,7 +69,7 @@ namespace GeekDesk.Util
{
if (IsImage(filePath)) {
//图片
return GetThumbnail(filePath, 256, 256);
return GetThumbnailByFile(filePath, 256, 256);
} else
{ //其它文件
return FileIcon.GetBitmapImage(filePath);
@@ -86,47 +89,128 @@ namespace GeekDesk.Util
/// <param name="lnWidth">缩略图的宽度</param>
/// <param name="lnHeight">缩略图的高度</param>
/// <returns></returns>
public static BitmapImage GetThumbnail(string lcFilename, int lnWidth, int lnHeight)
//public static BitmapImage GetThumbnail(string lcFilename, int lnWidth, int lnHeight)
//{
// Bitmap bmpOut = null;
// try
// {
// Bitmap loBMP = new Bitmap(lcFilename);
// ImageFormat loFormat = loBMP.RawFormat;
// decimal lnRatio;
// int lnNewWidth = 0;
// int lnNewHeight = 0;
// //如果图像小于缩略图直接返回原图，因为upfront
// if (loBMP.Width < lnWidth && loBMP.Height < lnHeight)
// return BitmapToBitmapImage(loBMP);
// if (loBMP.Width > loBMP.Height)
// {
// lnRatio = (decimal)lnWidth / loBMP.Width;
// lnNewWidth = lnWidth;
// decimal lnTemp = loBMP.Height * lnRatio;
// lnNewHeight = (int)lnTemp;
// }
// else
// {
// lnRatio = (decimal)lnHeight / loBMP.Height;
// lnNewHeight = lnHeight;
// decimal lnTemp = loBMP.Width * lnRatio;
// lnNewWidth = (int)lnTemp;
// }
// bmpOut = new Bitmap(lnNewWidth, lnNewHeight);
// Graphics g = Graphics.FromImage(bmpOut);
// g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
// g.FillRectangle(Brushes.White, 0, 0, lnNewWidth, lnNewHeight);
// g.DrawImage(loBMP, 0, 0, lnNewWidth, lnNewHeight);
// loBMP.Dispose();
// }
// catch (Exception e)
// {
// return Base64ToBitmapImage(Constants.DEFAULT_IMG_IMAGE_BASE64);
// }
// return BitmapToBitmapImage(bmpOut);
//}
public static BitmapImage GetThumbnailByFile(string filePath, int tWidth, int tHeight)
{
Bitmap bmpOut = null;
try
{
Bitmap loBMP = new Bitmap(lcFilename);
ImageFormat loFormat = loBMP.RawFormat;
decimal lnRatio;
int lnNewWidth = 0;
int lnNewHeight = 0;
//如果图像小于缩略图直接返回原图，因为upfront
if (loBMP.Width < lnWidth && loBMP.Height < lnHeight)
return BitmapToBitmapImage(bmpOut);
if (loBMP.Width > loBMP.Height)
Image img = Image.FromFile(filePath);
if (img.Width <= tWidth && img.Height <= tHeight)
{
lnRatio = (decimal)lnWidth / loBMP.Width;
lnNewWidth = lnWidth;
decimal lnTemp = loBMP.Height * lnRatio;
lnNewHeight = (int)lnTemp;
return GetBitmapImageByFile(filePath);
}
else
{
lnRatio = (decimal)lnHeight / loBMP.Height;
lnNewHeight = lnHeight;
decimal lnTemp = loBMP.Width * lnRatio;
lnNewWidth = (int)lnTemp;
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(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 = new Bitmap(lnNewWidth, lnNewHeight);
Graphics g = Graphics.FromImage(bmpOut);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.FillRectangle(Brushes.White, 0, 0, lnNewWidth, lnNewHeight);
g.DrawImage(loBMP, 0, 0, lnNewWidth, lnNewHeight);
loBMP.Dispose();
}
catch
catch (Exception)
{
return Base64ToBitmapImage(Constants.DEFAULT_IMG_IMAGE_BASE64);
}
return BitmapToBitmapImage(bmpOut);
}
public static BitmapImage GetBitmapImageByFile(string filePath)
{
BitmapImage bmImg = new BitmapImage();
bmImg.BeginInit();
bmImg.CacheOption = BitmapCacheOption.OnLoad;
using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read))
{
bmImg.StreamSource = fs;
bmImg.EndInit();
}
return bmImg;
}
public static BitmapImage MemoryStremToBitMapImage(MemoryStream ms)
{
BitmapImage bi = new BitmapImage();
bi.BeginInit();
bi.StreamSource = ms;
bi.CacheOption = BitmapCacheOption.OnLoad;
bi.EndInit();
bi.Freeze();
return bi;
}
@@ -135,12 +219,24 @@ namespace GeekDesk.Util
/// </summary>
/// <param name="bitmap"></param>
/// <returns></returns>
private static BitmapImage BitmapToBitmapImage(Bitmap bitmap)
public static BitmapImage BitmapToBitmapImage(Bitmap bitmap)
{
return BitmapToBitmapImage(bitmap, null);
}
public static BitmapImage BitmapToBitmapImage(Image bitmap, ImageFormat format)
{
BitmapImage bitmapImage = new BitmapImage();
using (MemoryStream ms = new MemoryStream())
{
bitmap.Save(ms, bitmap.RawFormat);
if (format == null)
{
bitmap.Save(ms, bitmap.RawFormat);
}
else
{
bitmap.Save(ms, format);
}
bitmapImage.BeginInit();
bitmapImage.StreamSource = ms;
bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
@@ -150,6 +246,29 @@ namespace GeekDesk.Util
return bitmapImage;
}
[System.Runtime.InteropServices.DllImport("gdi32.dll")]
public static extern bool DeleteObject(IntPtr hObject);
public static BitmapImage Bitmap2BitmapImage(Bitmap bitmap)
{
IntPtr hBitmap = bitmap.GetHbitmap();
BitmapImage retval;
try
{
retval = (BitmapImage)Imaging.CreateBitmapSourceFromHBitmap(
hBitmap,
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromEmptyOptions());
}
finally
{
DeleteObject(hBitmap);
}
return retval;
}
/// <summary>
/// 图片文件转base64
/// </summary>

23
Util/ShellContextMenu.cs Normal file
View File

@@ -0,0 +1,23 @@
using SharpShell.SharpContextMenu;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace GeekDesk.Util
{
class ShellContextMenu : SharpContextMenu
{
protected override bool CanShowMenu()
{
throw new NotImplementedException();
}
protected override ContextMenuStrip CreateMenu()
{
throw new NotImplementedException();
}
}
}