protected override ui.Image generatePeerImage()
{
if (element is MediaElement)
{
return(null);
}
int width = getWidth();
int height = getHeight();
if (width <= 0 || height <= 0)
{
width = getPreferredW();
height = getPreferredH();
}
CodenameOneImage img = new CodenameOneImage();
img.name = "PeerImage: " + element.ToString();
IRandomAccessStream stream = new InMemoryRandomAccessStream();
CanvasBitmap cb = null;
SilverlightImplementation.dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
if (element is WebView)
{
if (lastWebViewPeerImage != null)
{
cb = lastWebViewPeerImage;
}
else if (element.Visibility == Visibility.Visible && element.RenderSize.Width > 0 && element.RenderSize.Height > 0)
{
await((WebView)element).CapturePreviewToStreamAsync(stream);
await stream.FlushAsync();
stream.Seek(0);
cb = await CanvasBitmap.LoadAsync(SilverlightImplementation.screen, stream);
}
else
{
return;
}
}
else
{
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
await renderTargetBitmap.RenderAsync(element);
byte[] buf = renderTargetBitmap.GetPixelsAsync().AsTask().ConfigureAwait(false).GetAwaiter().GetResult().ToArray();
cb = CanvasBitmap.CreateFromBytes(SilverlightImplementation.screen, buf, width, height,
SilverlightImplementation.pixelFormat, SilverlightImplementation.screen.Dpi);
}
img.image = new CanvasRenderTarget(SilverlightImplementation.screen, (int)cb.SizeInPixels.Width, (int)cb.SizeInPixels.Height, cb.Dpi);
img.graphics.destination.drawImage(cb, 0, 0);
img.graphics.destination.dispose();
}).AsTask().GetAwaiter().GetResult();
if (cb == null)
{
return(null);
}
return(ui.Image.createImage(img));
}
public override void save(java.io.InputStream image, java.io.OutputStream response, string format, int width, int height, float quality)
{
CanvasBitmapFileFormat fileFormat = CanvasBitmapFileFormat.Png;
if (format.Equals(FORMAT_JPEG))
{
fileFormat = CanvasBitmapFileFormat.Jpeg;
}
CodenameOneImage img = (CodenameOneImage)SilverlightImplementation.instance.createImage(image);
CodenameOneImage scaledImage = (CodenameOneImage)SilverlightImplementation.instance.scale(img, width, height);
InMemoryRandomAccessStream ms = new InMemoryRandomAccessStream();
scaledImage.image.SaveAsync(ms, fileFormat, quality).AsTask().ConfigureAwait(false).GetAwaiter().GetResult();
ms.Seek(0);
byte[] buf = new byte[ms.Size];
DataReader dr = new DataReader(ms);
dr.LoadAsync((uint)ms.Size).AsTask().ConfigureAwait(false).GetAwaiter().GetResult();
dr.ReadBytes(buf);
response.write(buf);
}
protected override void saveImage(ui.Image image, java.io.OutputStream response, string format, float quality)
{
CanvasBitmapFileFormat fileFormat = CanvasBitmapFileFormat.Png;
if (format.Equals(FORMAT_JPEG))
{
fileFormat = CanvasBitmapFileFormat.Jpeg;
}
CodenameOneImage img = (CodenameOneImage)image.getImage();
CanvasBitmap cb = img.image;
InMemoryRandomAccessStream ms = new InMemoryRandomAccessStream();
cb.SaveAsync(ms, fileFormat, quality).AsTask().ConfigureAwait(false).GetAwaiter().GetResult();;
ms.Seek(0);
byte[] buf = new byte[ms.Size];
DataReader dr = new DataReader(ms);
dr.LoadAsync((uint)ms.Size).AsTask().ConfigureAwait(false).GetAwaiter().GetResult();;
dr.ReadBytes(buf);
response.write(buf);
}
public override object generatePeerImage()
{
int width = getWidth();
int height = getHeight();
if (width <= 0 || height <= 0)
{
width = getPreferredW();
height = getPreferredH();
}
CodenameOneImage img = new CodenameOneImage();
img.@this();
img.name = "PeerImage: " + element.ToString();
IRandomAccessStream stream = new InMemoryRandomAccessStream();
CanvasBitmap cb = null;
SilverlightImplementation.dispatcher.RunAsync(CoreDispatcherPriority.Normal, async () =>
{
if (element is WebView)
{
await ((WebView)element).CapturePreviewToStreamAsync(stream);
await stream.FlushAsync();
stream.Seek(0);
cb = await CanvasBitmap.LoadAsync(SilverlightImplementation.screen, stream);
}
else
{
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
await renderTargetBitmap.RenderAsync(element);
byte[] buf = renderTargetBitmap.GetPixelsAsync().AsTask().ConfigureAwait(false).GetAwaiter().GetResult().ToArray();
cb = CanvasBitmap.CreateFromBytes(SilverlightImplementation.screen, buf, width, height,
SilverlightImplementation.pixelFormat, SilverlightImplementation.screen.Dpi);
}
img.image = new CanvasRenderTarget(SilverlightImplementation.screen, cb.SizeInPixels.Width, cb.SizeInPixels.Height, cb.Dpi);
img.graphics.destination.drawImage(cb, 0, 0);
img.graphics.destination.dispose();
}).AsTask().GetAwaiter().GetResult();
return ui.Image.createImage(img);
}
protected override com.codename1.ui.Image generatePeerImage()
{
int width = getWidth();
int height = getHeight();
if (width <= 0 || height <= 0)
{
width = getPreferredW();
height = getPreferredH();
}
if (element.Parent == null)
{
if (peerImage != null)
{
return((com.codename1.ui.Image)peerImage);
}
return(com.codename1.ui.Image.createImage(width, height));
}
CodenameOneImage img = new CodenameOneImage();
//img.@this();
img.name = "PeerImage: " + element.ToString();
IRandomAccessStream stream = new InMemoryRandomAccessStream();
CanvasBitmap cb = null;
using (AutoResetEvent are = new AutoResetEvent(false))
{
SilverlightImplementation.dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
if (element is WebView)
{
try
{
Task.Delay(TimeSpan.FromTicks(4).Duration()).GetAwaiter().GetResult();
((WebView)element).CapturePreviewToStreamAsync(stream).AsTask().GetAwaiter().GetResult();
stream.FlushAsync().AsTask().GetAwaiter().GetResult();
stream.Seek(0);
Task.Delay(TimeSpan.FromMilliseconds(10)).GetAwaiter().GetResult();
cb = CanvasBitmap.LoadAsync(SilverlightImplementation.screen, stream).AsTask().GetAwaiter().GetResult();
}
catch (Exception)
{
throw;
}
}
else
{
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
renderTargetBitmap.RenderAsync(element).AsTask().ConfigureAwait(false).GetAwaiter().GetResult();
byte[] buf = renderTargetBitmap.GetPixelsAsync().AsTask().ConfigureAwait(false).GetAwaiter().GetResult().ToArray();
cb = CanvasBitmap.CreateFromBytes(SilverlightImplementation.screen, buf, width, height, SilverlightImplementation.pixelFormat, SilverlightImplementation.screen.Dpi);
}
img.image = new CanvasRenderTarget(SilverlightImplementation.screen, cb.SizeInPixels.Width, cb.SizeInPixels.Height, cb.Dpi);
img.graphics.destination.drawImage(cb, 0, 0);
img.graphics.destination.dispose();
are.Set();
}).AsTask().ConfigureAwait(false).GetAwaiter().GetResult();
are.WaitOne();
}
return(com.codename1.ui.Image.createImage(img));
// return com.codename1.ui.Image.createImage(width, height);
}
public override object generatePeerImage()
{
int width = getWidth();
int height = getHeight();
if (width <= 0 || height <= 0)
{
width = getPreferredW();
height = getPreferredH();
}
if (element.Parent == null)
{
if (peerImage != null)
{
return peerImage;
}
return com.codename1.ui.Image.createImage(width, height);
}
CodenameOneImage img = new CodenameOneImage();
img.@this();
img.name = "PeerImage: " + element.ToString();
IRandomAccessStream stream = new InMemoryRandomAccessStream();
CanvasBitmap cb = null;
using (AutoResetEvent are = new AutoResetEvent(false))
{
SilverlightImplementation.dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
if (element is WebView)
{
try
{
Task.Delay(TimeSpan.FromTicks(4).Duration()).GetAwaiter().GetResult();
((WebView)element).CapturePreviewToStreamAsync(stream).AsTask().GetAwaiter().GetResult();
stream.FlushAsync().AsTask().GetAwaiter().GetResult();
stream.Seek(0);
Task.Delay(TimeSpan.FromMilliseconds(10)).GetAwaiter().GetResult();
cb = CanvasBitmap.LoadAsync(SilverlightImplementation.screen, stream).AsTask().GetAwaiter().GetResult();
}
catch (Exception)
{
throw;
}
}
else
{
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap();
renderTargetBitmap.RenderAsync(element).AsTask().ConfigureAwait(false).GetAwaiter().GetResult();
byte[] buf = renderTargetBitmap.GetPixelsAsync().AsTask().ConfigureAwait(false).GetAwaiter().GetResult().ToArray();
cb = CanvasBitmap.CreateFromBytes(SilverlightImplementation.screen, buf, width, height, SilverlightImplementation.pixelFormat, SilverlightImplementation.screen.Dpi);
}
img.image = new CanvasRenderTarget(SilverlightImplementation.screen, cb.SizeInPixels.Width, cb.SizeInPixels.Height, cb.Dpi);
img.graphics.destination.drawImage(cb, 0, 0);
img.graphics.destination.dispose();
are.Set();
}).AsTask().ConfigureAwait(false).GetAwaiter().GetResult();
are.WaitOne();
}
return com.codename1.ui.Image.createImage(img);
// return com.codename1.ui.Image.createImage(width, height);
}
public override object rotate(java.lang.Object img, int degrees) {
CodenameOneImage cn = (CodenameOneImage)img;
CanvasRenderTarget cr = new CanvasRenderTarget(screen, (float)cn.image.Size.Width, (float)cn.image.Size.Height, cn.image.Dpi);
using (var ds = cr.CreateDrawingSession()) {
float angle = (float)Math.PI * degrees / 180;
ds.Transform = Matrix3x2.CreateRotation(angle, new Vector2(cr.SizeInPixels.Width / 2, cr.SizeInPixels.Height / 2));
ds.DrawImage(cn.image);
ds.Dispose();
}
CodenameOneImage ci = new CodenameOneImage();
ci.@this();
ci.image = cr;
return ci;
}
public override global::System.Object createImage(global::org.xmlvm._nArrayAdapter<sbyte> n1, int n2, int n3) {
// var ticks = System.DateTime.Now.Ticks; //FA
// I think Image Cache is not needed; first we load image and then we try to get it from cache?
// other issue is that hasCode function is not working well for _nArrayAdapter
//if (imageCache.ContainsKey(n1.hashCode())) {
// CodenameOneImage cached;
// imageCache.TryGetValue(n1.hashCode(), out cached);
// cached.lastAccess = System.DateTime.Now.Ticks;
// return cached;
//}
if (n1.Length == 0) {
// workaround for empty images
return createMutableImage(1, 1, 0xffffff);
}
CodenameOneImage ci = null;
/// using (AutoResetEvent are = new AutoResetEvent(false))
/// {
/// dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
/// {
IRandomAccessStream s;
string contentType;
if (n1.Length != n3 || n2 != 0) {
// TODO
byte[] imageArray = toByteArray(n1.getCSharpArray());
contentType = ImageHelper.GetContentType(imageArray);
s = new MemoryRandomAccessStream(imageArray); // new MemoryStream(imageArray).AsRandomAccessStream();
}
else {
byte[] imageArray = toByteArray(n1.getCSharpArray());
contentType = ImageHelper.GetContentType(imageArray);
s = new MemoryRandomAccessStream(imageArray); // new MemoryStream(imageArray).AsRandomAccessStream();
}
try {
CanvasBitmap canvasbitmap = CanvasBitmap.LoadAsync(screen, s).AsTask().ConfigureAwait(false).GetAwaiter().GetResult();
CodenameOneImage cim = new CodenameOneImage();
cim.@this();
if (contentType.Equals("image/jpeg") || contentType.Equals("image/x-ms-bmp")) {
cim.opaque = true;
}
CanvasRenderTarget cr = new CanvasRenderTarget(screen, float.Parse(canvasbitmap.Size.Width.ToString()), float.Parse(canvasbitmap.Size.Height.ToString()), canvasbitmap.Dpi);
cim.image = cr;
cim.graphics.destination.drawImage(canvasbitmap, 0, 0);
cim.graphics.destination.dispose();
ci = cim;
//dispatcher.RunAsync(CoreDispatcherPriority.Low, () => {
// imageCache.TryAdd(n1.hashCode(), ci);
// while (imageCache.Count > maxCacheSize) {
// int toRemove = imageCache.OrderBy(m => m.Value.lastAccess).First().Key;
// CodenameOneImage ignored;
// imageCache.TryRemove(toRemove, out ignored);
// //Debug.WriteLine("Image removed from cache " + toRemove);
// }
// //Debug.WriteLine("Image cached " + n1.hashCode());
//}).AsTask();
//Debug.WriteLine("Image created " + n1.hashCode());
}
catch (Exception) {
Debug.WriteLine("\n Failed to create image " + n1.hashCode() + "\n Position: " + s.Position + "\n Size: " + s.Size);
}
/// are.Set();
/// }).AsTask().ConfigureAwait(false).GetAwaiter().GetResult();
/// are.WaitOne();
/// }
///
// ticks= (System.DateTime.Now.Ticks-ticks)/10; //FA
// global::eu.forann.tools.LogF.eventNewItem(toJava("[createImage] ticks:" + ticks ));
return ci;
}
public override object createMutableImage(int width, int height, int color) {
// var ticks = System.DateTime.Now.Ticks; //FA
CodenameOneImage ci = new CodenameOneImage();
ci.@this();
ci.mutable = true;
ci.image = new CanvasRenderTarget(screen, screen.ConvertPixelsToDips(width), screen.ConvertPixelsToDips(height));
ci.graphics.destination.setColor(color);
ci.graphics.destination.setAlpha((color >> 24) & 0xff);
// ticks= (System.DateTime.Now.Ticks-ticks)/10; //FA
// global::eu.forann.tools.LogF.eventNewItem(toJava("[createMutableImage] ticks:" + ticks + "us w/h/c:" + width + "," + height + "/" + color));
// System.Diagnostics.Debug.WriteLine(System.DateTime.Now.ToString() + "[createMutableImage]ticks:" + ticks+"us w/h/c:"+width+","+height+"/"+color);
//ci.graphics.destination.clear();
return ci;
}
public override object scale(java.lang.Object sourceImage, int width, int height) {
CodenameOneImage image = (CodenameOneImage)sourceImage;
int srcWidth = image.getImageWidth();
int srcHeight = image.getImageHeight();
// no need to scale
if (srcWidth == width && srcHeight == height) {
return image;
}
CodenameOneImage ci = new CodenameOneImage();
ci.@this();
ci.opaque = image.opaque;
if (width > 0 && height < 0) {
height = srcHeight * width / srcWidth;
}
if (width < 0 && height > 0) {
width = srcWidth * height / srcHeight;
}
CanvasRenderTarget cr = new CanvasRenderTarget(image.image.Device, image.image.ConvertPixelsToDips(width), image.image.ConvertPixelsToDips(height), image.image.Dpi);
ci.image = cr;
ci.graphics.destination.drawImage(image.image, 0, 0, width, height);
ci.graphics.destination.dispose();
return ci;
}
public override object scale(java.lang.Object n1, int n2, int n3)
{
CodenameOneImage ci = new CodenameOneImage();
ci.@this();
CodenameOneImage source = (CodenameOneImage)n1;
ci.img = source.img;
ci.width = n2;
ci.height = n3;
return ci;
}
public override global::System.Object createImage(global::org.xmlvm._nArrayAdapter<sbyte> n1, int n2, int n3)
{
CodenameOneImage ci = null;
using (AutoResetEvent are = new AutoResetEvent(false))
{
System.Windows.Deployment.Current.Dispatcher.BeginInvoke(() =>
{
Stream s;
if (n1.Length != n3 || n2 != 0)
{
// TODO
s = new MemoryStream(toByteArray(n1.getCSharpArray()));
}
else
{
s = new MemoryStream(toByteArray(n1.getCSharpArray()));
}
BitmapImage bitmapImage = new BitmapImage();
CodenameOneImage cim = new CodenameOneImage();
cim.@this();
bitmapImage.SetSource(s);
cim.img = bitmapImage;
cim.width = (int)bitmapImage.PixelWidth;
cim.height = (int)bitmapImage.PixelHeight;
ci = cim;
are.Set();
});
are.WaitOne();
}
return ci;
}
public override object createImage(_nArrayAdapter<int> n1, int n2, int n3)
{
CodenameOneImage ci = new CodenameOneImage();
using (AutoResetEvent are = new AutoResetEvent(false))
{
System.Windows.Deployment.Current.Dispatcher.BeginInvoke(() =>
{
ci.@this();
WriteableBitmap wb = new WriteableBitmap(n2, n3);
int[] p = wb.Pixels;
for (int iter = 0; iter < p.Length; iter++)
{
p[iter] = n1.getCSharpArray()[iter];
}
ci.img = wb;
ci.width = n2;
ci.height = n3;
are.Set();
});
are.WaitOne();
}
return ci;
}
public Image getExistingImage(CodenameOneImage source)
{
if (ll != null)
{
//log("Checking image existance for: " + source.name);
foreach (UIElement uim in ll)
{
if (uim is Image)
{
Image im = (Image)uim;
if (im.Source == source.img)
{
ll.Remove(im);
//log("Image found for: " + source.name);
return im;
}
}
}
}
if (source.imageCache != null && source.imageCache.Parent == null)
{
//log("Returning cached image for: " + source.name);
return source.imageCache;
}
else
{
//log("Image not found for: " + source.name);
}
return null;
}
public override void drawRGB(java.lang.Object n1, _nArrayAdapter<int> rgb, int offset, int x, int y, int w, int h, bool n8)
{
CodenameOneImage ci = new CodenameOneImage();
ci.@this();
WriteableBitmap wb = new WriteableBitmap(w, h);
int[] p = wb.Pixels;
for (int iter = 0; iter < p.Length; iter++)
{
p[iter] = rgb.getCSharpArray()[iter];
}
ci.img = wb;
ci.width = w;
ci.height = h;
NativeGraphics ng = (NativeGraphics)n1;
ng.paint(new DrawImage(ng, pendingWipe, ci, x, y));
}
