private void Image_MouseMove(object sender, System.Windows.Input.MouseEventArgs e)
{
var AssociatedObject = this;
// Retrieve the coordinate of the mouse position in relation to the supplied image.
Point point = e.GetPosition(AssociatedObject);
// Use RenderTargetBitmap to get the visual, in case the image has been transformed.
var renderTargetBitmap = new RenderTargetBitmap((int) AssociatedObject.ActualWidth,
(int) AssociatedObject.ActualHeight,
96, 96, PixelFormats.Default);
renderTargetBitmap.Render(AssociatedObject);
// Make sure that the point is within the dimensions of the image.
if ((point.X <= renderTargetBitmap.PixelWidth) && (point.Y <= renderTargetBitmap.PixelHeight))
{
// Create a cropped image at the supplied point coordinates.
var croppedBitmap = new CroppedBitmap(renderTargetBitmap,
new Int32Rect((int) point.X, (int) point.Y, 1, 1));
// Copy the sampled pixel to a byte array.
var pixels = new byte[4];
croppedBitmap.CopyPixels(pixels, 4, 0);
// Assign the sampled color to a SolidColorBrush and return as conversion.
var SelectedColor = Color.FromArgb(255, pixels[2], pixels[1], pixels[0]);
TextBox.Text = "#" + SelectedColor.ToString().Substring(3);
Label.Background = new SolidColorBrush(SelectedColor);
}
}
public void PageLoaded(object sender, RoutedEventArgs args)
{
// Create an Image element.
Image croppedImage = new Image();
croppedImage.Width = 200;
croppedImage.Margin = new Thickness(5);
// Create a CroppedBitmap based off of a xaml defined resource.
CroppedBitmap cb = new CroppedBitmap(
(BitmapSource)this.Resources["masterImage"],
new Int32Rect(30, 20, 105, 50)); //select region rect
croppedImage.Source = cb; //set image source to cropped
// Add Image to the UI
Grid.SetColumn(croppedImage, 1);
Grid.SetRow(croppedImage, 1);
croppedGrid.Children.Add(croppedImage);
// Create an Image element.
Image chainImage = new Image();
chainImage.Width = 200;
chainImage.Margin = new Thickness(5);
// Create the cropped image based on previous CroppedBitmap.
CroppedBitmap chained = new CroppedBitmap(cb,
new Int32Rect(30, 0, (int)cb.Width-30, (int)cb.Height));
// Set the image's source.
chainImage.Source = chained;
// Add Image to the UI.
Grid.SetColumn(chainImage, 1);
Grid.SetRow(chainImage, 3);
croppedGrid.Children.Add(chainImage);
}
private void Image_MouseDown(object sender, MouseButtonEventArgs e)
{
try
{
var cb = new CroppedBitmap((BitmapSource) (((Image) e.Source).Source),
new Int32Rect((int) Mouse.GetPosition(e.Source as Image).X,
(int) Mouse.GetPosition(e.Source as Image).Y, 1, 1));
_pixels = new byte[4];
try
{
cb.CopyPixels(_pixels, 4, 0);
SetColor(Color.FromRgb(_pixels[2], _pixels[1], _pixels[0]));
UpdateMarkerPosition();
if (OnColorSelected != null)
OnColorSelected(SelectedColor);
}
catch
{
// not logged
}
UpdateSlider();
}
catch (Exception)
{
// not logged
}
}
/// <summary>Creates the screenshot of entire plotter element</summary>
/// <returns></returns>
internal static BitmapSource CreateScreenshot(UIElement uiElement, Int32Rect screenshotSource)
{
Window window = Window.GetWindow(uiElement);
if (window == null)
{
return CreateElementScreenshot(uiElement);
}
Size size = window.RenderSize;
//double dpiCoeff = 32 / SystemParameters.CursorWidth;
//int dpi = (int)(dpiCoeff * 96);
double dpiCoeff = 1;
int dpi = 96;
RenderTargetBitmap bmp = new RenderTargetBitmap(
(int)(size.Width * dpiCoeff), (int)(size.Height * dpiCoeff),
dpi, dpi, PixelFormats.Default);
// white background
Rectangle whiteRect = new Rectangle { Width = size.Width, Height = size.Height, Fill = Brushes.White };
whiteRect.Measure(size);
whiteRect.Arrange(new Rect(size));
bmp.Render(whiteRect);
// the very element
bmp.Render(uiElement);
CroppedBitmap croppedBmp = new CroppedBitmap(bmp, screenshotSource);
return croppedBmp;
}
//------------------------------------------------------
//
// Public Properties
//
//------------------------------------------------------
private static void SourcePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CroppedBitmap target = ((CroppedBitmap)d);
target.SourcePropertyChangedHook(e);
// The first change to the default value of a mutable collection property (e.g. GeometryGroup.Children)
// will promote the property value from a default value to a local value. This is technically a sub-property
// change because the collection was changed and not a new collection set (GeometryGroup.Children.
// Add versus GeometryGroup.Children = myNewChildrenCollection). However, we never marshalled
// the default value to the compositor. If the property changes from a default value, the new local value
// needs to be marshalled to the compositor. We detect this scenario with the second condition
// e.OldValueSource != e.NewValueSource. Specifically in this scenario the OldValueSource will be
// Default and the NewValueSource will be Local.
if (e.IsASubPropertyChange &&
(e.OldValueSource == e.NewValueSource))
{
return;
}
target.PropertyChanged(SourceProperty);
}
public void DrawImage(BasicRectangle rectangleDestination, BasicRectangle rectangleSource, IDisposable image)
{
// Make sure the source rectangle width isn't out of bounds
var disposableImage = (DisposableBitmap)image;
var croppedBitmap = new CroppedBitmap(disposableImage.Bitmap, GenericControlHelper.ToInt32Rect(rectangleSource));
_context.DrawImage(croppedBitmap, GenericControlHelper.ToRect(rectangleDestination));
}
private Color GetColorFromImage(Point p)
{
try
{
var bounds = VisualTreeHelper.GetDescendantBounds(this);
var rtb = new RenderTargetBitmap((int) bounds.Width, (int) bounds.Height, 96, 96, PixelFormats.Default);
rtb.Render(this);
byte[] arr;
var png = new PngBitmapEncoder();
png.Frames.Add(BitmapFrame.Create(rtb));
using (var stream = new MemoryStream())
{
png.Save(stream);
arr = stream.ToArray();
}
BitmapSource bitmap = BitmapFrame.Create(new MemoryStream(arr));
var pixels = new byte[4];
var cb = new CroppedBitmap(bitmap, new Int32Rect((int) p.X, (int) p.Y, 1, 1));
cb.CopyPixels(pixels, 4, 0);
return Color.FromArgb(pixels[3], pixels[2], pixels[1], pixels[0]);
}
catch (Exception)
{
return ColorBox.Color;
}
}
private Color GetColorFromImage()
{
var color = Colors.Transparent;
try
{
BitmapSource bitmapSource = ImageColors.Source as BitmapSource;
if (bitmapSource != null)
{
double x = Mouse.GetPosition(ImageColors).X;
x *= bitmapSource.PixelWidth / ImageColors.ActualWidth;
if ((int)x > bitmapSource.PixelWidth - 1)
x = bitmapSource.PixelWidth - 1;
else if (x < 0) x = 0;
double y = Mouse.GetPosition(ImageColors).Y;
y *= bitmapSource.PixelHeight / ImageColors.ActualHeight;
if ((int)y > bitmapSource.PixelHeight - 1)
y = bitmapSource.PixelHeight - 1;
else if (y < 0) y = 0;
CroppedBitmap cb = new CroppedBitmap(bitmapSource, new Int32Rect((int)x, (int)y, 1, 1));
byte[] pixels = new byte[4];
cb.CopyPixels(pixels, 4, 0);
if (pixels[3] == byte.MaxValue)
{
color = Color.FromArgb(pixels[3], pixels[2], pixels[1], pixels[0]);
}
}
}
catch (Exception ex)
{
Log.Add(ex);
}
return color;
}
/// <summary>
/// Generates an image of each page in the year book
/// and saves it to the src folder
/// </summary>
/// <param name="bv"></param>
/// <param name="folderloc"></param>
private static void RenderPages(BookViewer bv, string folderloc)
{
int currentpage = bv.ViewIndex;
//loops though each page
foreach (Page p in bv.CurrentBook.Pages)
{
bv.ViewIndex = p.PageNumber;
//forces the canvas to re-render
BookViewer.DesignerCanvas.UpdateLayout();
//takes a picture of the canvas
RenderTargetBitmap rtb = new RenderTargetBitmap(PaperSize.Pixel.PaperWidth, PaperSize.Pixel.PaperHeight, 96, 96, PixelFormats.Default);
rtb.Render(BookViewer.DesignerCanvas);
//getting the bleed margin
Int32Rect bleedmargin = new Int32Rect((PaperSize.Pixel.PaperWidth - PaperSize.Pixel.BleedWidth) / 2, (PaperSize.Pixel.PaperHeight - PaperSize.Pixel.BleedHeight) / 2, PaperSize.Pixel.BleedWidth, PaperSize.Pixel.BleedHeight);
//cropping the image
CroppedBitmap cb = new CroppedBitmap(rtb, bleedmargin);
//encodes the image in png format
PngBitmapEncoder pbe = new PngBitmapEncoder();
pbe.Frames.Add(BitmapFrame.Create(cb));
//saves the resulting image
FileStream fs = File.Open(folderloc + "\\src\\" + (p.PageNumber+1) + ".png", FileMode.Create);
pbe.Save(fs);
fs.Flush();
fs.Close();
}
bv.ViewIndex = currentpage;
}
public CardPack()
{
_pack = new List<Card>();
Uri uri = new Uri("./Images/cards.png", UriKind.Relative);
source = new BitmapImage(uri);
_cardFronts = new List<CroppedBitmap>();
CardBack = new Image();
int w = source.PixelWidth / 13;
int h = source.PixelHeight/5;
for (int s = 0; s < 4; s++)
{
for (int v = 0; v < 13; v++)
{
int imageIndex = (s*13) + v;
int fx = imageIndex % 13;
int fy = imageIndex / 13;
Int32Rect sourceRect = new Int32Rect(fx * w, fy * h, w, h);
CroppedBitmap front = new CroppedBitmap(source, sourceRect);
sourceRect = new Int32Rect(2 * w, 4 * h, w, h);
CroppedBitmap back = new CroppedBitmap(source, sourceRect);
Image frontImage = new Image {Source = front};
Image backImage = new Image { Source = back };
Card card = new Card((CardSuit)s, (CardValue)v, frontImage, backImage);
_pack.Add(card);
}
}
}
public Pieza(int valor, int fila, int columna, CroppedBitmap imagen)
{
Valor = valor;
Fila = fila;
Columna = columna;
Imagen = imagen;
}
private static ImageSource GetImageSource()
{
BitmapSource source = ImageHelper.BitmapSourceFromBitmap(new Bitmap(Image.FromStream(Assembly.GetExecutingAssembly().GetManifestResourceStream("Paket.VisualStudio.Resources.NuGet.ico"))));
Int32Rect sourceRect = new Int32Rect(0, 0, 16, 16);
ImageSource imageSource = new CroppedBitmap(source, sourceRect);
imageSource.Freeze();
return imageSource;
}
private static void SourceRectPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CroppedBitmap target = ((CroppedBitmap)d);
target.SourceRectPropertyChangedHook(e);
target.PropertyChanged(SourceRectProperty);
}
public Image MakeImage()
{
CroppedBitmap subImg = new CroppedBitmap(RootImage, Region);
Image res = new Image();
res.Source = subImg;
return res;
}
public Task<BitmapSource> TakePartialScreenshot(Int32Rect rpRect)
{
return TakeScreenshot(r =>
{
var rResult = new CroppedBitmap(r, rpRect);
rResult.Freeze();
return rResult;
});
}
public CroppedBitmap GetBitMap(int id)
{
var p = GetPosition(id);
var bitmap = new CroppedBitmap();
bitmap.BeginInit();
bitmap.Source = _imageSource;
bitmap.SourceRect = new Int32Rect(p.X * _cropSize, p.Y * _cropSize, _cropSize, _cropSize);
bitmap.EndInit();
return bitmap;
}
public ShowMyFace()
{
Title = "Show My Face";
///******************************************************************
// 3���� ShowMyFace ����
//******************************************************************/
Uri uri = new Uri("http://www.charlespetzold.com/PetzoldTattoo.jpg");
//BitmapImage bitmap = new BitmapImage(uri);
//Image img = new Image();
//img.Source = bitmap;
//Content = img;
///******************************************************************
// p1245 BitmapImage �ڵ�
//******************************************************************/
Image rotated90 = new Image();
TransformedBitmap tb = new TransformedBitmap();
FormatConvertedBitmap fb = new FormatConvertedBitmap();
CroppedBitmap cb = new CroppedBitmap();
// Create the source to use as the tb source.
BitmapImage bi = new BitmapImage();
bi.BeginInit();
bi.UriSource = uri;
bi.EndInit();
//cb.BeginInit();
//cb.Source = bi;
//Int32Rect rect = new Int32Rect();
//rect.X = 220;
//rect.Y = 200;
//rect.Width = 120;
//rect.Height = 80;
//cb.SourceRect = rect;
//cb.EndInit();
fb.BeginInit();
fb.Source = bi;
fb.DestinationFormat = PixelFormats.Gray2;
fb.EndInit();
// Properties must be set between BeginInit and EndInit calls.
tb.BeginInit();
tb.Source = fb;
// Set image rotation.
tb.Transform = new RotateTransform(90);
tb.EndInit();
// Set the Image source.
rotated90.Source = tb;
Content = rotated90;
}
public void upload(CroppedBitmap image)
{
PngBitmapEncoder pngEncoder = new PngBitmapEncoder();
pngEncoder.Frames.Add(BitmapFrame.Create(image));
String uniqid = Guid.NewGuid().ToString();
FileStream stream = new FileStream(uniqid, FileMode.Create);
pngEncoder.Save(stream);
stream.Close();
String response = PostToImageShack(uniqid);
parseResponse(response);
}
/// <summary>
/// Coerce SourceRect
/// </summary>
private static object CoerceSourceRect(DependencyObject d, object value)
{
CroppedBitmap bitmap = (CroppedBitmap)d;
if (!bitmap._bitmapInit.IsInInit)
{
return(bitmap._sourceRect);
}
else
{
return(value);
}
}
public static System.Windows.Controls.Image Crop(Panel displayer, double x, double y, double Width, double Height)
{
if (displayer == null) return null;
Rect rect = new Rect(displayer.RenderSize);
RenderTargetBitmap rtb = new RenderTargetBitmap((int)rect.Right,
(int)rect.Bottom, 96d, 96d, System.Windows.Media.PixelFormats.Default);
rtb.Render(displayer);
var crop = new CroppedBitmap(rtb, new Int32Rect((int)x, (int)y, (int)Width, (int)Height));
return new System.Windows.Controls.Image() { Source = BitmapFrame.Create(crop) };
}
/// <summary>
/// Implementation of Freezable.GetCurrentValueAsFrozenCore()
/// </summary>
protected override void GetCurrentValueAsFrozenCore(Freezable source)
{
CroppedBitmap sourceCroppedBitmap = (CroppedBitmap)source;
// Set any state required before actual clone happens
ClonePrequel(sourceCroppedBitmap);
base.GetCurrentValueAsFrozenCore(source);
// Set state once clone has finished
ClonePostscript(sourceCroppedBitmap);
}
void Calc()
{
var xsize = Parent.ImageSource.PixelWidth / Parent.MaxColumns;
var ysize = Parent.ImageSource.PixelHeight / Parent.MaxColumns;
var col = Index % Parent.MaxColumns;
var row = Index / Parent.MaxColumns;
var x = xsize * col;
var y = ysize * row;
var rect = new Int32Rect(x, y, xsize, ysize);
ImageSource = new CroppedBitmap(Parent.ImageSource, rect);
}
protected BitmapSource CropImage(BitmapSource image, Rectangle ClippingRectangle)
{
// Create a CroppedBitmap based off of a xaml defined resource.
CroppedBitmap cb = new CroppedBitmap(
image,
//select region rect
new Int32Rect(
(int)Canvas.GetLeft(ClippingRectangle),
(int)Canvas.GetTop(ClippingRectangle),
(int)ClippingRectangle.Width,
(int)ClippingRectangle.Height));
return cb;
}
public AnimationFrameViewModel(SubTexture subTexture, BitmapImage image)
{
this.Name = subTexture.Name;
this.X = subTexture.X;
this.Y = subTexture.Y;
this.Width = subTexture.Width;
this.Height = subTexture.Height;
Int32 frameIndex = -1;
//There should be 4 padding zeros
Int32.TryParse(Name.Substring(Name.Length - 4, 4), out frameIndex);
this.Index = frameIndex;
this.frameImage = new CroppedBitmap(image, new System.Windows.Int32Rect(x, y, width, height));
}
public MainViewModel(IEventAggregator eventAggregator)
{
this.eventAggregator = eventAggregator;
//eventAggregator.Subscribe(this);
animationTimer.AutoReset = true;
animationTimer.Elapsed += animationTimer_Elapsed;
try
{
defaultImage = new BitmapImage(new Uri(@"pack://application:,,,/Content/default.png"));
defaultCroppedImage = new CroppedBitmap(defaultImage, new System.Windows.Int32Rect(10, 10, 280, 280));
}
catch (Exception ex)
{
String debugMe = ex.Message;
}
}
private void BtnClip_Click(object sender, RoutedEventArgs e)
{
BitmapImage myBitmapImage = new BitmapImage();
// BitmapSource objects like BitmapImage can only have their properties// changed within a BeginInit/EndInit block.
myBitmapImage.BeginInit();
myBitmapImage.UriSource = new Uri("pack://application:,,,/Images/xiaoxiong.jpg");
//myBitmapImage.DecodePixelWidth = 200;
myBitmapImage.EndInit();
// Create a CroppedBitmap based off of a xaml defined resource.
CroppedBitmap cb = new CroppedBitmap(
(BitmapSource)myBitmapImage,
new Int32Rect(10, 20, 15, 25)); //select region rect
img3.Source = cb;
}
public ICollection<ImageSource> getImageSources()
{
int row = (int)(img.PixelHeight-2*margin)/tileHeight;
int col = (int)(img.PixelWidth - 2 * margin) / tileWidth;
int size = row * col;
ImageSource[] retVal = new ImageSource[size];
int count = 0;
for (int i = 0; i < row; i++)
{
for (int j = 0; j < col; j++)
{
retVal[count++] = new CroppedBitmap(img, new Int32Rect(margin + j * tileWidth, margin + i * tileHeight, tileWidth, tileHeight));
}
}
return retVal;
}
public SparkleSpinner (int size) : base () {
if (DesignerProperties.GetIsInDesignMode(this)) {
return;
}
Width = size;
Height = size;
int current_frame = 0;
BitmapSource spinner_gallery = SparkleUIHelpers.GetImageSource ("process-working-22");
int frames_in_width = spinner_gallery.PixelWidth / size;
int frames_in_height = spinner_gallery.PixelHeight / size;
int frame_count = (frames_in_width * frames_in_height) - 1;
Image [] frames = new Image [frame_count];
int i = 0;
for (int y = 0; y < frames_in_height; y++) {
for (int x = 0; x < frames_in_width; x++) {
if (!(y == 0 && x == 0)) {
CroppedBitmap crop = new CroppedBitmap (spinner_gallery,
new Int32Rect (size * x, size * y, size, size));
frames [i] = new Image ();
frames [i].Source = crop;
i++;
}
}
}
this.timer = new Timer () {
Interval = 400 / frame_count
};
this.timer.Elapsed += delegate {
Dispatcher.BeginInvoke ((Action) delegate {
if (current_frame < frame_count - 1)
current_frame++;
else
current_frame = 0;
Source = frames [current_frame].Source;
});
};
}
public SparkleSpinner(int size)
: base()
{
Width = size;
Height = size;
BitmapSource spinner_gallery =
SparkleUIHelpers.GetImageSource ("process-working-22");
int frames_in_width = spinner_gallery.PixelWidth / size;
int frames_in_height = spinner_gallery.PixelHeight / size;
this.num_steps = (frames_in_width * frames_in_height) - 1;
this.images = new Image [this.num_steps];
int i = 0;
for (int y = 0; y < frames_in_height; y++) {
for (int x = 0; x < frames_in_width; x++) {
if (!(y == 0 && x == 0)) {
CroppedBitmap crop = new CroppedBitmap (
spinner_gallery,
new Int32Rect (size * x, size * y, size, size)
);
this.images [i] = new Image ();
this.images [i].Source = crop;
i++;
}
}
}
this.timer = new Timer () {
Interval = 400 / this.num_steps
};
this.timer.Elapsed += delegate {
Dispatcher.Invoke ((Action) delegate {
NextImage ();
});
};
Start ();
}
public static BitmapImage Crop(this BitmapImage bmp, Int32Rect rct) {
CroppedBitmap croppedBmp = new CroppedBitmap(bmp, rct);
BmpBitmapEncoder encoder = new BmpBitmapEncoder();
MemoryStream memoryStream = new MemoryStream();
BitmapImage bImg = new BitmapImage();
encoder.Frames.Add(BitmapFrame.Create(croppedBmp));
encoder.Save(memoryStream);
bImg.BeginInit();
bImg.CacheOption = BitmapCacheOption.OnLoad;
bImg.StreamSource = new MemoryStream(memoryStream.ToArray());
bImg.EndInit();
memoryStream.Close();
return bImg;
}
internal static void GenerateThumbnail(Stream image, string path)
{
BitmapFrame img = BitmapFrame.Create(image);
double scale = 300.0 / Math.Min(img.PixelHeight, img.PixelWidth);
TransformedBitmap scaled = new TransformedBitmap(img, new ScaleTransform(scale, scale));
int startX = (scaled.PixelWidth - 300) / 2;
int startY = (scaled.PixelHeight - 300) / 2;
CroppedBitmap cropped = new CroppedBitmap(scaled, new Int32Rect(startX, startY, 300, 300));
BitmapSource rotated = ApplyOrientation(cropped, img.Metadata as BitmapMetadata);
using (Stream t = File.Create(path))
{
JpegBitmapEncoder jpg = new JpegBitmapEncoder();
jpg.Frames.Add(BitmapFrame.Create(rotated));
jpg.Save(t);
}
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
this.back = ((System.Windows.Controls.Button)(target));
#line 47 "..\..\..\..\Views\GameTuChon\Game4.xaml"
this.back.Click += new System.Windows.RoutedEventHandler(this.back_Click);
#line default
#line hidden
return;
case 2:
this.btnLoadFromFile = ((System.Windows.Controls.Button)(target));
#line 52 "..\..\..\..\Views\GameTuChon\Game4.xaml"
this.btnLoadFromFile.Click += new System.Windows.RoutedEventHandler(this.BtnLoadFromFile_Click);
#line default
#line hidden
return;
case 3:
this.abc = ((System.Windows.Controls.Image)(target));
return;
case 4:
this.anh = ((System.Windows.Media.Imaging.CroppedBitmap)(target));
return;
case 5:
this.abcd = ((System.Windows.Controls.Image)(target));
return;
case 6:
this.anh1 = ((System.Windows.Media.Imaging.CroppedBitmap)(target));
return;
}
this._contentLoaded = true;
}
public virtual IDisposable DrawPortion(DrawingContext drawingContext, Rect targetItemRectangle, Rect sourceRectangle, int level)
{
//Do not dispose the memory stream here, because System.Media.Windows uses
// retained mode rendering where the commands get batched to execute later.
MemoryStream imageStream = new MemoryStream(ImageData);
try
{
BitmapSource source = BitmapFromJpeg(imageStream);
Int32Rect cropRect = Int32RectFromRect(sourceRectangle);
CroppedBitmap croppedImage = new CroppedBitmap(source, cropRect);
drawingContext.DrawImage(croppedImage, targetItemRectangle);
return imageStream; //Return our stream so it can be disposed later.
}
catch
{
if (imageStream != null)
imageStream.Dispose();
throw;
}
}
void wheel_MouseMove(object sender, MouseEventArgs e)
{
try
{
CroppedBitmap cb = new CroppedBitmap(wheel.Source as BitmapSource, new Int32Rect((int)Mouse.GetPosition(this).X, (int)Mouse.GetPosition(this).Y, 1, 1));
pixels = new byte[4];
try
{
cb.CopyPixels(pixels, 4, 0);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
Console.WriteLine(pixels[0] + ":" + pixels[1] + ":" + pixels[2] + ":" + pixels[3]);
rec.Fill = new SolidColorBrush(System.Windows.Media.Color.FromRgb(pixels[2], pixels[1], pixels[0]));
}
catch (Exception exc)
{
}
}
private void Image_MouseDown(object sender, MouseButtonEventArgs e)
{
try
{
var cb = new CroppedBitmap((BitmapSource)(((Image)e.Source).Source), new Int32Rect((int)Mouse.GetPosition(e.Source as Image).X, (int)Mouse.GetPosition(e.Source as Image).Y, 1, 1));
_pixels = new byte[4];
try
{
cb.CopyPixels(_pixels, 4, 0);
UpdateCurrentColor();
UpdateMarkerPosition();
}
catch
{
}
UpdateSlider();
}
catch (Exception)
{
}
}
private void ClonePrequel(CroppedBitmap otherCroppedBitmap)
{
BeginInit();
}
private void ClonePostscript(CroppedBitmap otherCroppedBitmap)
{
EndInit();
}
internal override void FinalizeCreation()
{
_bitmapInit.EnsureInitializedComplete();
Uri uri = UriSource;
if (_baseUri != null)
{
uri = new Uri(_baseUri, UriSource);
}
if ((CreateOptions & BitmapCreateOptions.IgnoreImageCache) != 0)
{
ImagingCache.RemoveFromImageCache(uri);
}
BitmapImage bitmapImage = CheckCache(uri);
if (bitmapImage != null &&
bitmapImage.CheckAccess() &&
bitmapImage.SourceRect.Equals(SourceRect) &&
bitmapImage.DecodePixelWidth == DecodePixelWidth &&
bitmapImage.DecodePixelHeight == DecodePixelHeight &&
bitmapImage.Rotation == Rotation &&
(bitmapImage.CreateOptions & BitmapCreateOptions.IgnoreColorProfile) ==
(CreateOptions & BitmapCreateOptions.IgnoreColorProfile)
)
{
_syncObject = bitmapImage.SyncObject;
lock (_syncObject)
{
WicSourceHandle = bitmapImage.WicSourceHandle;
IsSourceCached = bitmapImage.IsSourceCached;
_convertedDUCEPtr = bitmapImage._convertedDUCEPtr;
//
// We nee d to keep the strong reference to the cached image for a few reasons:
//
// The application may release the original cached image and then keep a
// reference to this image only, in which case, the cache can be collected.
// This will cause a few undesirable results:
// 1. The application may choose to decode the same URI again in which case
// we will not retrieve it from the cache even though we have a copy already
// decoded.
// 2. The original cached image holds onto the file stream indirectly which if
// collected can cause bad behavior if the entire image is not loaded into
// memory.
//
_cachedBitmapImage = bitmapImage;
}
UpdateCachedSettings();
return;
}
BitmapDecoder decoder = null;
if (_decoder == null)
{
// Note: We do not want to insert in the cache if there is a chance that
// the decode pixel width/height may cause the decoder LOD to change
decoder = BitmapDecoder.CreateFromUriOrStream(
_baseUri,
UriSource,
StreamSource,
CreateOptions & ~BitmapCreateOptions.DelayCreation,
BitmapCacheOption.None, // do not cache the frames since we will do that here
_uriCachePolicy,
false
);
if (decoder.IsDownloading)
{
_isDownloading = true;
_decoder = decoder;
decoder.DownloadProgress += OnDownloadProgress;
decoder.DownloadCompleted += OnDownloadCompleted;
decoder.DownloadFailed += OnDownloadFailed;
}
else
{
Debug.Assert(decoder.SyncObject != null);
}
}
else
{
// We already had a decoder, meaning we were downloading
Debug.Assert(!_decoder.IsDownloading);
decoder = _decoder;
_decoder = null;
}
if (decoder.Frames.Count == 0)
{
throw new System.ArgumentException(SR.Get(SRID.Image_NoDecodeFrames));
}
BitmapFrame frame = decoder.Frames[0];
BitmapSource source = frame;
Int32Rect sourceRect = SourceRect;
if (sourceRect.X == 0 && sourceRect.Y == 0 &&
sourceRect.Width == source.PixelWidth &&
sourceRect.Height == source.PixelHeight)
{
sourceRect = Int32Rect.Empty;
}
if (!sourceRect.IsEmpty)
{
CroppedBitmap croppedSource = new CroppedBitmap();
croppedSource.BeginInit();
croppedSource.Source = source;
croppedSource.SourceRect = sourceRect;
croppedSource.EndInit();
source = croppedSource;
if (_isDownloading)
{
// Unregister the download events because this is a dummy image. See comment below.
source.UnregisterDownloadEventSource();
}
}
int finalWidth = DecodePixelWidth;
int finalHeight = DecodePixelHeight;
if (finalWidth == 0 && finalHeight == 0)
{
finalWidth = source.PixelWidth;
finalHeight = source.PixelHeight;
}
else if (finalWidth == 0)
{
finalWidth = (source.PixelWidth * finalHeight) / source.PixelHeight;
}
else if (finalHeight == 0)
{
finalHeight = (source.PixelHeight * finalWidth) / source.PixelWidth;
}
if (finalWidth != source.PixelWidth || finalHeight != source.PixelHeight ||
Rotation != Rotation.Rotate0)
{
TransformedBitmap transformedSource = new TransformedBitmap();
transformedSource.BeginInit();
transformedSource.Source = source;
TransformGroup transformGroup = new TransformGroup();
if (finalWidth != source.PixelWidth || finalHeight != source.PixelHeight)
{
int oldWidth = source.PixelWidth;
int oldHeight = source.PixelHeight;
Debug.Assert(oldWidth > 0 && oldHeight > 0);
transformGroup.Children.Add(
new ScaleTransform(
(1.0 * finalWidth) / oldWidth,
(1.0 * finalHeight) / oldHeight));
}
if (Rotation != Rotation.Rotate0)
{
double rotation = 0.0;
switch (Rotation)
{
case Rotation.Rotate0:
rotation = 0.0;
break;
case Rotation.Rotate90:
rotation = 90.0;
break;
case Rotation.Rotate180:
rotation = 180.0;
break;
case Rotation.Rotate270:
rotation = 270.0;
break;
default:
Debug.Assert(false);
break;
}
transformGroup.Children.Add(new RotateTransform(rotation));
}
transformedSource.Transform = transformGroup;
transformedSource.EndInit();
source = transformedSource;
if (_isDownloading)
{
//
// If we're currently downloading, then the BitmapFrameDecode isn't actually
// the image, it's just a 1x1 placeholder. The chain we're currently building
// will be replaced with another chain once download completes, so there's no
// need to have this chain handle DownloadCompleted.
//
// Having this chain handle DownloadCompleted is actually a bad thing. Because
// the dummy is just 1x1, the TransformedBitmap we're building here will have
// a large scaling factor (to scale the image from 1x1 up to whatever
// DecodePixelWidth/Height specifies). When the TransformedBitmap receives
// DownloadCompleted from the BFD, it will call into WIC to create a new
// bitmap scaler using the same large scaling factor, which can produce a huge
// bitmap (since the BFD is now no longer 1x1). This problem is made worse if
// this BitmapImage has BitmapCacheOption.OnLoad, since that will put a
// CachedBitmap after the TransformedBitmap. When DownloadCompleted propagates
// from the TransformedBitmap down to the CachedBitmap, the CachedBitmap will
// call CreateBitmapFromSource using the TransformedBitmap, which calls
// CopyPixels on the huge TransformedBitmap. We want to avoid chewing up the
// CPU and the memory, so we unregister the download event handlers here.
//
source.UnregisterDownloadEventSource();
}
}
//
// If the original image has a color profile and IgnoreColorProfile is not one of the create options,
// apply the profile so bits are color-corrected.
//
if ((CreateOptions & BitmapCreateOptions.IgnoreColorProfile) == 0 &&
frame.ColorContexts != null &&
frame.ColorContexts[0] != null &&
frame.ColorContexts[0].IsValid &&
source.Format.Format != PixelFormatEnum.Extended
)
{
// NOTE: Never do this for a non-MIL pixel format, because the format converter has
// special knowledge to deal with the profile
PixelFormat duceFormat = BitmapSource.GetClosestDUCEFormat(source.Format, source.Palette);
bool changeFormat = (source.Format != duceFormat);
ColorContext destinationColorContext;
// We need to make sure, we can actually create the ColorContext for the destination duceFormat
// If the duceFormat is gray or scRGB, the following is not supported, so we cannot
// create the ColorConvertedBitmap
try
{
destinationColorContext = new ColorContext(duceFormat);
}
catch (NotSupportedException)
{
destinationColorContext = null;
}
if (destinationColorContext != null)
{
bool conversionSuccess = false;
bool badColorContext = false;
// First try if the color converter can handle the source format directly
// Its possible that the color converter does not support certain pixelformats, so put a try/catch here.
try
{
ColorConvertedBitmap colorConvertedBitmap = new ColorConvertedBitmap(
source,
frame.ColorContexts[0],
destinationColorContext,
duceFormat
);
source = colorConvertedBitmap;
if (_isDownloading)
{
// Unregister the download events because this is a dummy image. See comment above.
source.UnregisterDownloadEventSource();
}
conversionSuccess = true;
}
catch (NotSupportedException)
{
}
catch (FileFormatException)
{
// If the file contains a bad color context, we catch the exception here
// and don't bother trying the color conversion below, since color transform isn't possible
// with the given color context.
badColorContext = true;
}
if (!conversionSuccess && !badColorContext && changeFormat)
{ // If the conversion failed, we first use
// a FormatConvertedBitmap, and then Color Convert that one...
FormatConvertedBitmap formatConvertedBitmap = new FormatConvertedBitmap(source, duceFormat, source.Palette, 0.0);
ColorConvertedBitmap colorConvertedBitmap = new ColorConvertedBitmap(
formatConvertedBitmap,
frame.ColorContexts[0],
destinationColorContext,
duceFormat
);
source = colorConvertedBitmap;
if (_isDownloading)
{
// Unregister the download events because this is a dummy image. See comment above.
source.UnregisterDownloadEventSource();
}
}
}
}
if (CacheOption != BitmapCacheOption.None)
{
try
{
// The bitmaps bits could be corrupt, and this will cause an exception if the CachedBitmap forces a decode.
CachedBitmap cachedSource = new CachedBitmap(source, CreateOptions & ~BitmapCreateOptions.DelayCreation, CacheOption);
source = cachedSource;
if (_isDownloading)
{
// Unregister the download events because this is a dummy image. See comment above.
source.UnregisterDownloadEventSource();
}
}
catch (Exception e)
{
RecoverFromDecodeFailure(e);
CreationCompleted = true; // we're bailing out because the decode failed
return;
}
}
// If CacheOption == OnLoad, no need to keep the stream around
if (decoder != null && CacheOption == BitmapCacheOption.OnLoad)
{
decoder.CloseStream();
}
else if (CacheOption != BitmapCacheOption.OnLoad)
{
//ensure that we don't GC the source
_finalSource = source;
}
WicSourceHandle = source.WicSourceHandle;
IsSourceCached = source.IsSourceCached;
CreationCompleted = true;
UpdateCachedSettings();
// Only insert in the imaging cache if download is complete
if (!IsDownloading)
{
InsertInCache(uri);
}
}
