本文整理汇总了C#中System.Drawing.Bitmap.ToBytes方法的典型用法代码示例。如果您正苦于以下问题：C# Bitmap.ToBytes方法的具体用法？C# Bitmap.ToBytes怎么用？C# Bitmap.ToBytes使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Drawing.Bitmap的用法示例。
在下文中一共展示了Bitmap.ToBytes方法的5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，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: ProcessImage
private byte[] ProcessImage(byte[] image)
{
using (MemoryStream backgroundStream = new MemoryStream(Pattern.Data))
{
Image backgroundImage = Image.FromStream(backgroundStream);
using (Bitmap backgroundBitmap = new Bitmap(backgroundImage.Width, backgroundImage.Height))
{
using (Graphics canvas = Graphics.FromImage(backgroundBitmap))
{
canvas.InterpolationMode = InterpolationMode.HighQualityBicubic;
canvas.DrawImage(backgroundImage, new Rectangle(0, 0, backgroundImage.Width, backgroundImage.Height),
new Rectangle(0, 0, backgroundImage.Width, backgroundImage.Height), GraphicsUnit.Pixel);
int destWidth = backgroundBitmap.Width * 3 / 4;
int destHeight = backgroundBitmap.Height * 3 / 4;
int stepX = backgroundBitmap.Width / 6;
int stepY = backgroundBitmap.Height / 6;
FillCanvas(canvas, image, new Point(0, 0), destWidth, destHeight, 0, 0); //todo offset
canvas.Save();
}
return backgroundBitmap.ToBytes();
}
}
}示例2: TestToBitmapFromExtractedBytes
public void TestToBitmapFromExtractedBytes()
{
using (var image = new Bitmap(ImageLocation))
{
var bytes = image.ToBytes(ImageFormat.Png);
var reconstructedImage = bytes.ToBitmap();
Assert.AreEqual(512, reconstructedImage.Width);
}
}示例3: GetCaptureForInstagramControl
public byte[] GetCaptureForInstagramControl(byte[] imageForInstagram, string publishAuthorName, DateTime timeUpdate, byte[] profilePictureData)
{
byte[] captureImageData;
var defaultTemplate = new InstagramDefaultCtrl();
defaultTemplate.FillData(imageForInstagram,publishAuthorName,timeUpdate,profilePictureData);
defaultTemplate.Measure(new System.Windows.Size((int)defaultTemplate.Width, (int)defaultTemplate.Height));
defaultTemplate.Arrange(new Rect(new System.Windows.Size((int)defaultTemplate.Width, (int)defaultTemplate.Height)));
int dpiX = 96;
int dpiY = 96;
Rect bounds = VisualTreeHelper.GetDescendantBounds(defaultTemplate);
RenderTargetBitmap renderTarget = new RenderTargetBitmap((int)(bounds.Width * dpiX / 96.0),
(int)(bounds.Height * dpiY / 96.0), dpiX, dpiY, PixelFormats.Pbgra32);
DrawingVisual dv = new DrawingVisual();
using (DrawingContext ctx = dv.RenderOpen())
{
VisualBrush vb = new VisualBrush(defaultTemplate);
ctx.DrawRectangle(vb, null, new Rect(new System.Windows.Point(), bounds.Size));
}
renderTarget.Render(dv);
JpegBitmapEncoder jpgEncoder = new JpegBitmapEncoder();
jpgEncoder.QualityLevel = 100;
jpgEncoder.Frames.Add(BitmapFrame.Create(renderTarget));
using (MemoryStream outputStream = new MemoryStream())
{
jpgEncoder.Save(outputStream);
captureImageData = outputStream.ToArray();
}
using (Bitmap rectangleResultImage = new Bitmap((int)bounds.Width, (int)bounds.Height))
{
using (Graphics canvas = Graphics.FromImage(rectangleResultImage))
{
canvas.InterpolationMode = InterpolationMode.HighQualityBicubic;
using (var imageStream = new MemoryStream(captureImageData))
{
System.Drawing.Image squereResultImage = System.Drawing.Image.FromStream(imageStream);
canvas.DrawImage(squereResultImage,
new Rectangle(0, 0, squereResultImage.Width, squereResultImage.Height),
new Rectangle(0, 0, squereResultImage.Width, squereResultImage.Height), GraphicsUnit.Pixel);
}
return rectangleResultImage.ToBytes();
}
}
}示例4: TestToBytes
public void TestToBytes()
{
using (var image = new Bitmap(ImageLocation))
{
var bytes = image.ToBytes(ImageFormat.Png);
Assert.Less(0, bytes.Length);
}
}示例5: ProcessImages
public byte[] ProcessImages(List<byte[]> images, Size liveViewImageStreamSize, Template pattern)
{
var defWidth = liveViewImageStreamSize.Width;
var defHeight = liveViewImageStreamSize.Height;
var hasBackground = pattern.Background != null;
var hasOverlay = pattern.Overlay != null;
var backgroundStream = hasBackground ? new MemoryStream(pattern.Background.Data) : null;
var overlayStream = hasOverlay ? new MemoryStream(pattern.Overlay.Data) : null;
var backgroundImage = backgroundStream.Return(Image.FromStream, null);
var overlayImage = overlayStream.Return(Image.FromStream, null);
var width = Math.Max(backgroundImage.Return(x => x.Width, 0), overlayImage.Return(x => x.Width, 0));
var height = Math.Max(backgroundImage.Return(x => x.Height, 0), overlayImage.Return(x => x.Height, 0));
if (width == 0 && height == 0)
{
width = defWidth;
height = defHeight;
}
using (var backgroundBitmap = new Bitmap(width, height))
{
using (var canvas = Graphics.FromImage(backgroundBitmap))
{
canvas.InterpolationMode = InterpolationMode.HighQualityBicubic;
// ReSharper disable once AccessToDisposedClosure
backgroundImage.Do(x => canvas.DrawImage(x,
new Rectangle(0, 0, width, height),
new Rectangle(0, 0, x.Width, x.Height), GraphicsUnit.Pixel));
var templates = pattern.Images.ToList();
for (var i = 0; i < images.Count; i++)
{
var template = templates[i];
var destWidth = (int)Math.Round(width * template.Width);
var destHeight = (int)Math.Round(height * template.Height);
var stepX = (int)Math.Round(width * template.X);
var stepY = (int)Math.Round(height * template.Y);
FillCanvas(canvas, images[i], new Point(stepX, stepY), destWidth, destHeight, 0, 0);
}
// ReSharper disable once AccessToDisposedClosure
overlayImage.Do(x => canvas.DrawImage(x,
new Rectangle(0, 0, width, height),
new Rectangle(0, 0, x.Width, x.Height), GraphicsUnit.Pixel));
canvas.Save();
}
return backgroundBitmap.ToBytes();
}
}