本文整理汇总了C#中System.Drawing.Imaging.ImageFormat类的典型用法代码示例。如果您正苦于以下问题:C# ImageFormat类的具体用法?C# ImageFormat怎么用?C# ImageFormat使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
ImageFormat类属于System.Drawing.Imaging命名空间,在下文中一共展示了ImageFormat类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C#代码示例。
示例1: Save
/// <summary>
/// Saves the specified render target as an image with the specified format.
/// </summary>
/// <param name="renderTarget">The render target to save.</param>
/// <param name="stream">The stream to which to save the render target data.</param>
/// <param name="format">The format with which to save the image.</param>
private void Save(RenderTarget2D renderTarget, Stream stream, ImageFormat format)
{
var data = new Color[renderTarget.Width * renderTarget.Height];
renderTarget.GetData(data);
Save(data, renderTarget.Width, renderTarget.Height, stream, format);
}
开发者ID:prshreshtha,项目名称:ultraviolet,代码行数:13,代码来源:OSXSurfaceSaver.cs
示例2: SaveImage
public void SaveImage(string filename, ImageFormat format)
{
if (bitmap != null)
{
bitmap.Save(filename, format);
}
}
开发者ID:nacker90,项目名称:Open-Source-Automation,代码行数:7,代码来源:Weather.cs
示例3: CompressImage
public static MemoryStream CompressImage(ImageFormat format, Stream stream, Size size, bool isbig)
{
using (var image = Image.FromStream(stream))
{
Image bitmap = new Bitmap(size.Width, size.Height);
Graphics g = Graphics.FromImage(bitmap);
g.InterpolationMode = InterpolationMode.High;
g.SmoothingMode = SmoothingMode.HighQuality;
g.Clear(Color.Transparent);
//按指定面积缩小
if (!isbig)
{
g.DrawImage(image,
new Rectangle(0, 0, size.Width, size.Height),
ImageCutSize(image, size),
GraphicsUnit.Pixel);
}
//按等比例缩小
else
{
g.DrawImage(image,
new Rectangle(0, 0, size.Width, size.Height),
new Rectangle(0, 0, image.Width, image.Height),
GraphicsUnit.Pixel);
}
var compressedImageStream = new MemoryStream();
bitmap.Save(compressedImageStream, format);
g.Dispose();
bitmap.Dispose();
return compressedImageStream;
}
}
开发者ID:ideayapai,项目名称:docviewer,代码行数:34,代码来源:ImageCompress.cs
示例4: CreateImageFrom
public static ImageResult CreateImageFrom(byte[] bytes, ImageFormat format)
{
byte[] nonIndexedImageBytes;
using (var memoryStream = new MemoryStream(bytes))
using (var image = Image.FromStream(memoryStream))
using (var temporaryBitmap = new Bitmap(image.Width, image.Height))
{
using (var graphics = Graphics.FromImage(temporaryBitmap))
{
graphics.DrawImage(image, new Rectangle(0, 0, temporaryBitmap.Width, temporaryBitmap.Height),
0, 0, temporaryBitmap.Width, temporaryBitmap.Height, GraphicsUnit.Pixel);
}
ImagePropertyItems.Copy(image, temporaryBitmap);
using (var saveStream = new MemoryStream())
{
temporaryBitmap.Save(saveStream, format);
nonIndexedImageBytes = saveStream.ToArray();
}
}
return new ImageResult(nonIndexedImageBytes, format);
}
开发者ID:GorelH,项目名称:FluentImageResizing,代码行数:25,代码来源:Resizer.cs
示例5: ReturnImage
protected void ReturnImage(HttpContextBase context, string file, ImageFormat imageFormat, string contentType)
{
var buffer = GetImage(file, imageFormat);
context.Response.ContentType = "image/png";
context.Response.BinaryWrite(buffer);
context.Response.Flush();
}
开发者ID:ActiveCommerce,项目名称:sctestrunner,代码行数:7,代码来源:BaseHttpHandler.cs
示例6: frmFondo
/// <summary>
/// Constructor por defecto.
/// </summary>
public frmFondo(string ruta, ImageFormat formato, bool original, int width, int height)
{
InitializeComponent();
this.original = original;
this.width = width;
this.height = height;
//Establecemos el ancho de la forma a la resolución actual de pantalla
this.Bounds = Screen.GetBounds(this.ClientRectangle);
//Inicializamos las variables
origen = new Point(0, 0);
destino = new Point(0, 0);
actual = new Point(0, 0);
//De momento nuestro gráfico es nulo
areaSeleccionada = this.CreateGraphics();
//El estilo de línea del lápiz serán puntos
lapizActual.DashStyle = DashStyle.Solid;
//Establecemos falsa la variable que nos indica si el boton presionado fue el boton izquierdo
BotonIzq = false;
//Delegados para manejar los eventos del mouse y poder dibujar el rectangulo del área que deseamos copiar
this.MouseDown += new MouseEventHandler(mouse_Click);
this.MouseUp += new MouseEventHandler(mouse_Up);
this.MouseMove += new MouseEventHandler(mouse_Move);
this.ruta = ruta;
this.formato = formato;
}
开发者ID:EduardoOrtiz89,项目名称:ClipSaveImage,代码行数:28,代码来源:frmFondo.cs
示例7: GetResizedImage
byte[] GetResizedImage(Stream originalStream, ImageFormat imageFormat, int width, int height)
{
Bitmap imgIn = new Bitmap(originalStream);
double y = imgIn.Height;
double x = imgIn.Width;
double factor = 1;
if (width > 0)
{
factor = width / x;
}
else if (height > 0)
{
factor = height / y;
}
System.IO.MemoryStream outStream = new System.IO.MemoryStream();
Bitmap imgOut = new Bitmap((int)(x * factor), (int)(y * factor));
// Set DPI of image (xDpi, yDpi)
imgOut.SetResolution(72, 72);
Graphics g = Graphics.FromImage(imgOut);
g.Clear(Color.White);
g.DrawImage(imgIn, new Rectangle(0, 0, (int)(factor * x), (int)(factor * y)),
new Rectangle(0, 0, (int)x, (int)y), GraphicsUnit.Pixel);
imgOut.Save(outStream, imageFormat);
return outStream.ToArray();
}
开发者ID:ekelman,项目名称:jsflooring,代码行数:29,代码来源:SetImmageFile.cs
示例8: Set
public static void Set(Uri uri, Style style, ImageFormat format)
{
Stream stream = new WebClient().OpenRead(uri.ToString());
if (stream == null) return;
Image img = Image.FromStream(stream);
string tempPath = Path.Combine(Path.GetTempPath(), "img." + format.ToString());
img.Save(tempPath, format);
RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Control Panel\Desktop", true);
if (style == Style.Stretched)
{
key.SetValue(@"WallpaperStyle", 2.ToString());
key.SetValue(@"TileWallpaper", 0.ToString());
}
if (style == Style.Centered)
{
key.SetValue(@"WallpaperStyle", 1.ToString());
key.SetValue(@"TileWallpaper", 0.ToString());
}
if (style == Style.Tiled)
{
key.SetValue(@"WallpaperStyle", 1.ToString());
key.SetValue(@"TileWallpaper", 1.ToString());
}
SystemParametersInfo(SpiSetdeskwallpaper,
0,
tempPath,
SpifUpdateinifile | SpifSendwininichange);
}
开发者ID:ashesxera,项目名称:Unsplasher,代码行数:34,代码来源:Wallpaper.cs
示例9: Save
public static void Save(Stream imageStream, string fullImagePath, ImageFormat format)
{
using (Bitmap ImageBitmap = new Bitmap(imageStream))
{
Save(ImageBitmap, fullImagePath, format);
}
}
开发者ID:puentesarrin,项目名称:csharp-image-util,代码行数:7,代码来源:Saving.cs
示例10: ResizeImage
public static Stream ResizeImage(Image image, ImageFormat format, int width, int height, bool preserveAspectRatio = true)
{
ImageHelper.ImageRotation(image);
int newWidth;
int newHeight;
if (preserveAspectRatio)
{
int originalWidth = image.Width;
int originalHeight = image.Height;
float percentWidth = (float)width / (float)originalWidth;
float percentHeight = (float)height / (float)originalHeight;
float percent = percentHeight < percentWidth ? percentHeight : percentWidth;
newWidth = (int)(originalWidth * percent);
newHeight = (int)(originalHeight * percent);
}
else
{
newWidth = width;
newHeight = height;
}
Image newImage = new Bitmap(newWidth, newHeight);
using (Graphics graphicsHandle = Graphics.FromImage(newImage))
{
graphicsHandle.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphicsHandle.DrawImage(image, 0, 0, newWidth, newHeight);
}
//return newImage;
var stream = new MemoryStream();
newImage.Save(stream, format);
stream.Position = 0;
return stream;
}
开发者ID:bitf12m015,项目名称:Tour-Pakistan,代码行数:33,代码来源:Utility.cs
示例11: Save
public static Stream Save(this Bitmap bitmap, ImageFormat format)
{
var stream = new MemoryStream();
bitmap.Save(stream, format);
stream.Position = 0;
return stream;
}
开发者ID:joshcodes,项目名称:JoshCodes.Core,代码行数:7,代码来源:BitmapExtensions.cs
示例12: ScanImage
public Image ScanImage(ImageFormat outputFormat, string fileName)
{
if (outputFormat == null)
throw new ArgumentNullException("outputFormat");
FileIOPermission filePerm = new FileIOPermission(FileIOPermissionAccess.AllAccess, fileName);
filePerm.Demand();
ImageFile imageObject = null;
try
{
if (WiaManager == null)
WiaManager = new CommonDialogClass();
imageObject =
WiaManager.ShowAcquireImage(WiaDeviceType.ScannerDeviceType,
WiaImageIntent.GrayscaleIntent, WiaImageBias.MaximizeQuality,
outputFormat.Guid.ToString("B"), false, true, true);
imageObject.SaveFile(fileName);
return Image.FromFile(fileName);
}
catch (COMException ex)
{
string message = "Error scanning image";
throw new WiaOperationException(message, ex);
}
finally
{
if (imageObject != null)
Marshal.ReleaseComObject(imageObject);
}
}
开发者ID:nguyenq,项目名称:VietOCR3.NET,代码行数:34,代码来源:WiaScannerAdapter.cs
示例13: ToBitmapSource
/// <summary>
/// To the bitmap source.
/// </summary>
/// <param name="bitmap">The bitmap.</param>
/// <param name="format">The format.</param>
/// <param name="creationOptions">The creation options.</param>
/// <param name="cacheOptions">The cache options.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException">bitmap</exception>
public static BitmapSource ToBitmapSource(this Bitmap bitmap, ImageFormat format, BitmapCreateOptions creationOptions = BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption cacheOptions = BitmapCacheOption.OnLoad)
{
if (bitmap == null)
throw new ArgumentNullException("bitmap");
using (MemoryStream memoryStream = new MemoryStream())
{
try
{
// You need to specify the image format to fill the stream.
// I'm assuming it is PNG
bitmap.Save(memoryStream, format);
memoryStream.Seek(0, SeekOrigin.Begin);
BitmapDecoder bitmapDecoder = BitmapDecoder.Create(
memoryStream,
creationOptions,
cacheOptions);
// This will disconnect the stream from the image completely...
WriteableBitmap writable =
new WriteableBitmap(bitmapDecoder.Frames.Single());
writable.Freeze();
return writable;
}
catch (Exception)
{
return null;
}
}
}
开发者ID:sybold,项目名称:AcExtensionLibrary,代码行数:41,代码来源:BitmapExtensions.cs
示例14: SaveImageAs
private void SaveImageAs(int bitmap, string fileName, ImageFormat imageFormat)
{
Bitmap image = new Bitmap(Image.FromHbitmap(new IntPtr(bitmap)),
Image.FromHbitmap(new IntPtr(bitmap)).Width,
Image.FromHbitmap(new IntPtr(bitmap)).Height);
image.Save(fileName, imageFormat);
}
开发者ID:aura1213,项目名称:netmf-interpreter,代码行数:7,代码来源:ScreenCapture.cs
示例15: GenerateImage
private void GenerateImage(
HttpResponse response,
string textToInsert,
int width,
int height,
Color backgroundColor,
FontFamily fontFamily,
float emSize,
Brush brush,
float x,
float y,
string contentType,
ImageFormat imageFormat)
{
using (Bitmap bitmap = new Bitmap(width, height))
{
using (Graphics graphics = Graphics.FromImage(bitmap))
{
graphics.Clear(backgroundColor);
graphics.DrawString(textToInsert, new Font(fontFamily, emSize), brush, x, y);
response.ContentType = contentType;
bitmap.Save(response.OutputStream, imageFormat);
}
}
}
开发者ID:nikolaynikolov,项目名称:Telerik,代码行数:25,代码来源:Default.aspx.cs
示例16: ConvertWordToImage
/// <summary>
/// 将Word文档转换为图片的方法(该方法基于第三方DLL),你可以像这样调用该方法:
/// ConvertPDF2Image("F:\\PdfFile.doc", "F:\\", "ImageFile", 1, 20, ImageFormat.Png, 256);
/// </summary>
/// <param name="pdfInputPath">Word文件路径</param>
/// <param name="imageOutputPath">图片输出路径,如果为空,默认值为Word所在路径</param>
/// <param name="imageName">图片的名字,不需要带扩展名,如果为空,默认值为Word的名称</param>
/// <param name="startPageNum">从PDF文档的第几页开始转换,如果为0,默认值为1</param>
/// <param name="endPageNum">从PDF文档的第几页开始停止转换,如果为0,默认值为Word总页数</param>
/// <param name="imageFormat">设置所需图片格式,如果为null,默认格式为PNG</param>
/// <param name="resolution">设置图片的像素,数字越大越清晰,如果为0,默认值为128,建议最大值不要超过1024</param>
public static void ConvertWordToImage(string wordInputPath, string imageOutputPath,
string imageName, int startPageNum, int endPageNum, ImageFormat imageFormat, float resolution)
{
try
{
// open word file
Aspose.Words.Document doc = new Aspose.Words.Document(wordInputPath);
// validate parameter
if (doc == null) { throw new Exception("Word文件无效或者Word文件被加密!"); }
if (imageOutputPath.Trim().Length == 0) { imageOutputPath = Path.GetDirectoryName(wordInputPath); }
if (!Directory.Exists(imageOutputPath)) { Directory.CreateDirectory(imageOutputPath); }
if (imageName.Trim().Length == 0) { imageName = Path.GetFileNameWithoutExtension(wordInputPath); }
if (startPageNum <= 0) { startPageNum = 1; }
if (endPageNum > doc.PageCount || endPageNum <= 0) { endPageNum = doc.PageCount; }
if (startPageNum > endPageNum) { int tempPageNum = startPageNum; startPageNum = endPageNum; endPageNum = startPageNum; }
if (imageFormat == null) { imageFormat = ImageFormat.Png; }
if (resolution <= 0) { resolution = 128; }
ImageSaveOptions imageSaveOptions = new ImageSaveOptions(GetSaveFormat(imageFormat));
imageSaveOptions.Resolution = resolution;
// start to convert each page
for (int i = startPageNum; i <= endPageNum; i++)
{
imageSaveOptions.PageIndex = i - 1;
doc.Save(Path.Combine(imageOutputPath, imageName) + "_" + i.ToString() + "." + imageFormat.ToString(), imageSaveOptions);
}
}
catch (Exception ex)
{
throw ex;
}
}
开发者ID:alqadasifathi,项目名称:OfficeTools.Pdf2Image.Word2Image,代码行数:45,代码来源:Program.cs
示例17: GetThumbnail
public static Bitmap GetThumbnail(int width, int height, string filter, string caption, ImageFormat format, Image b)
{
Bitmap source = new Bitmap(b);
source = new Bitmap(source.GetThumbnailImage(width, height, null, IntPtr.Zero));
if (format == ImageFormat.Gif)
{
source = new OctreeQuantizer(0xff, 8).Quantize(source);
}
if ((filter.Length > 0) && filter.ToUpper().StartsWith("SHARPEN"))
{
string str = filter.Remove(0, 7).Trim();
int nWeight = (str.Length > 0) ? Convert.ToInt32(str) : 11;
BitmapFilter.Sharpen(source, nWeight);
}
if (caption.Length <= 0)
{
return source;
}
using (Graphics graphics = Graphics.FromImage(source))
{
StringFormat format2 = new StringFormat();
format2.Alignment = StringAlignment.Center;
format2.LineAlignment = StringAlignment.Center;
using (Font font = new Font("Arial", 12f))
{
graphics.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
graphics.FillRectangle(new SolidBrush(Color.FromArgb(150, 0, 0, 0)), 0, source.Height - 20, source.Width, 20);
graphics.DrawString(caption, font, Brushes.White, 0f, (float)(source.Height - 20));
return source;
}
}
}
开发者ID:BaoToan94,项目名称:q42.wheels.gimmage,代码行数:32,代码来源:ThumbnailGenerator.cs
示例18: GetImageFormat
public static ImageFormatTypes GetImageFormat(ImageFormat type)
{
if (type == ImageFormat.Bmp)
return ImageFormatTypes.imgBMP;
else
if (type == ImageFormat.Emf)
return ImageFormatTypes.imgEMF;
else
if (type == ImageFormat.Exif)
return ImageFormatTypes.imgEXIF;
else
if (type == ImageFormat.Gif)
return ImageFormatTypes.imgGIF;
else
if (type == ImageFormat.Icon)
return ImageFormatTypes.imgICON;
else
if (type == ImageFormat.Jpeg)
return ImageFormatTypes.imgJPEG;
else
if (type == ImageFormat.Png)
return ImageFormatTypes.imgPNG;
else
if (type == ImageFormat.Tiff)
return ImageFormatTypes.imgTIFF;
else
if (type == ImageFormat.Wmf)
return ImageFormatTypes.imgWMF;
return ImageFormatTypes.imgNone;
}
开发者ID:oo00spy00oo,项目名称:SharedTerminals,代码行数:31,代码来源:ImageFormatHandler.cs
示例19: CreateBitmap
// Create a bitmap file of the mapDisplay supplied at construction.
public void CreateBitmap(string fileName, RectangleF rect, ImageFormat imageFormat, float dpi)
{
float bitmapWidth, bitmapHeight; // size of the bitmap in pixels.
int pixelWidth, pixelHeight; // bitmapWidth/Height, rounded up to integer.
bitmapWidth = (rect.Width / 25.4F) * dpi;
bitmapHeight = (rect.Height / 25.4F) * dpi;
pixelWidth = (int)Math.Ceiling(bitmapWidth);
pixelHeight = (int) Math.Ceiling(bitmapHeight);
Bitmap bitmap = new Bitmap(pixelWidth, pixelHeight, PixelFormat.Format24bppRgb);
bitmap.SetResolution(dpi, dpi);
// Set the transform
Matrix transform = Geometry.CreateInvertedRectangleTransform(rect, new RectangleF(0, 0, bitmapWidth, bitmapHeight));
// And draw.
mapDisplay.Draw(bitmap, transform);
// JPEG and GIF have special code paths because the default Save method isn't
// really good enough.
if (imageFormat == ImageFormat.Jpeg)
BitmapUtil.SaveJpeg(bitmap, fileName, 80);
else if (imageFormat == ImageFormat.Gif)
BitmapUtil.SaveGif(bitmap, fileName);
else
bitmap.Save(fileName, imageFormat);
bitmap.Dispose();
}
开发者ID:petergolde,项目名称:PurplePen,代码行数:31,代码来源:ExportBitmap.cs
示例20: PdfConvertImageInfo
/// <summary>
/// 将Pdf转换成图片存放在指定的文件夹下面并且返回转换了多少张图片(插件:O2S.Components.PDFRender4NETd)
/// (使用:调用此方法传递参数,最后一个参数为模糊度(参考传递30))
/// </summary>
/// <param name="pdfInputPath">源PDF路径</param>
/// <param name="imageOutpPutPath">PDF转化成图片之后存放的路径</param>
/// <param name="imageFormat">转换的图片格式</param>
/// <param name="difinition">传递参数模糊度</param>
/// <returns>返回转换了多少张图片信息</returns>
public static int PdfConvertImageInfo(string pdfInputPath, string imageOutpPutPath, ImageFormat imageFormat,
float difinition)
{
try
{
//第一步:判断需要转换的PDF是否存在
if (!File.Exists(pdfInputPath))
{
throw new System.Exception("PDF的路径不存在");
}
//第二步:判断存放转换后图片的地址是否存在
if (!Directory.Exists(imageOutpPutPath))
{
throw new System.Exception("存放图片的路径不存在");
}
//第三步:进行转换(使用插件O2S.Components.PDFRender4NET)
PDFFile pdfFile = PDFFile.Open(pdfInputPath);
int pageCount = pdfFile.PageCount;
for (int i = 0; i < pageCount; i++)
{
Bitmap bitmap = pdfFile.GetPageImage(i, difinition);
bitmap.Save(Path.Combine(imageOutpPutPath, i + "." + imageFormat), imageFormat);
bitmap.Dispose();
}
pdfFile.Dispose();
//第四步:返回PDF转换了多少张图片的个数
return pageCount;
}
catch (System.Exception exception)
{
throw new System.Exception("PDF转换图片出现错误了,错误原因:" + exception.Message);
}
}
开发者ID:842549829,项目名称:Notify,代码行数:43,代码来源:MSOfficeConvertPdfHelper.cs
注:本文中的System.Drawing.Imaging.ImageFormat类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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