public virtual IList <Sprite> Flush()
{
if (SpriteContainer.Size > 0)
{
Tracer.Trace("Beginning to Flush sprite");
using (var spriteWriter = new SpriteWriter(SpriteContainer.Width, SpriteContainer.Height))
{
var offset = 0;
foreach (var image in SpriteContainer)
{
spriteWriter.WriteImage(image.Image);
image.Position = offset;
offset += image.Image.Width + 1;
}
var bytes = spriteWriter.GetBytes("image/png");
byte[] optBytes;
try
{
optBytes = (config.ImageOptimizationDisabled || !config.IsFullTrust) ? bytes : pngOptimizer.OptimizePng(bytes, config.ImageOptimizationCompressionLevel, config.ImageQuantizationDisabled);
}
catch (OptimizationException optEx)
{
optBytes = bytes;
var message = string.Format("Errors optimizing. Received Error: {0}", optEx.Message);
Tracer.Trace(message);
Errors.Add(new SpriteException(message, optEx));
}
var url = generateSpriteUrl(optBytes);
foreach (var image in SpriteContainer)
{
image.Url = url;
foreach (var dupImage in spriteList)
{
if (dupImage.Key.Equals(image.Metadata) && dupImage.Value.Position == -1)
{
dupImage.Value.Position = image.Position;
dupImage.Value.Url = image.Url;
}
}
}
finalSprites.Add(new Sprite(url, optBytes));
}
Tracer.Trace("Finished Flushing sprite");
}
SpriteContainer = new SpriteContainer(ImageLoader, config);
return(finalSprites);
}
public SpritedImage AddImage(BackgroundImageClass image)
{
byte[] imageBytes;
if (DownloadedImages.ContainsKey(image.ImageUrl) && image.IsSprite)
{
imageBytes = DownloadedImages[image.ImageUrl];
}
else
{
imageBytes = ImageLoader.GetImageBytes(image.ImageUrl);
if (image.IsSprite)
{
DownloadedImages.Add(image.ImageUrl, imageBytes);
}
}
Bitmap bitmap;
using (var originalBitmap = new Bitmap(new MemoryStream(imageBytes)))
{
var width = image.Width ?? originalBitmap.Width; //cliped width of original image
var height = image.Height ?? originalBitmap.Height;
using (var writer = new SpriteWriter(width, height))
{
var x = image.XOffset.Offset < 0 ? Math.Abs(image.XOffset.Offset) : 0; //offset on original
var y = image.YOffset.Offset < 0 ? Math.Abs(image.YOffset.Offset) : 0;
var imageWidth = width; //canvas width
if (width + x > originalBitmap.Width)
{
width = originalBitmap.Width - x;
}
var imageHeight = height;
if (height + y > originalBitmap.Height)
{
height = originalBitmap.Height - y;
}
var offsetX = 0;
var offsetY = 0;
if (image.XOffset.PositionMode == PositionMode.Direction)
{
switch (image.XOffset.Direction)
{
case Direction.Left:
image.XOffset = new Position {
PositionMode = PositionMode.Percent, Offset = 0
};
break;
case Direction.Center:
image.XOffset = new Position {
PositionMode = PositionMode.Percent, Offset = 50
};
break;
case Direction.Right:
image.XOffset = new Position {
PositionMode = PositionMode.Percent, Offset = 100
};
break;
}
}
if (image.YOffset.PositionMode == PositionMode.Direction)
{
switch (image.YOffset.Direction)
{
case Direction.Top:
image.YOffset = new Position {
PositionMode = PositionMode.Percent, Offset = 0
};
break;
case Direction.Center:
image.YOffset = new Position {
PositionMode = PositionMode.Percent, Offset = 50
};
break;
case Direction.Bottom:
image.YOffset = new Position {
PositionMode = PositionMode.Percent, Offset = 100
};
break;
}
}
if (image.XOffset.PositionMode == PositionMode.Percent)
{
if (originalBitmap.Width > imageWidth)
{
x = (int)Math.Round((originalBitmap.Width - imageWidth) * (image.XOffset.Offset / 100f), 0);
}
else
{
offsetX = (int)Math.Round((imageWidth - originalBitmap.Width) * (image.XOffset.Offset / 100f), 0);
}
}
else if (image.XOffset.PositionMode == PositionMode.Unit && image.XOffset.Offset > 0)
{
offsetX = image.XOffset.Offset;
if (originalBitmap.Width + offsetX > imageWidth)
{
width = imageWidth - offsetX;
}
}
if (image.YOffset.PositionMode == PositionMode.Percent)
{
if (originalBitmap.Height > imageHeight)
{
y = (int)Math.Round((originalBitmap.Height - height) * (image.YOffset.Offset / 100f), 0);
}
else
{
offsetY = (int)Math.Round((imageHeight - originalBitmap.Height) * (image.YOffset.Offset / 100f), 0);
}
}
try
{
using (var bm = originalBitmap.Clone(new Rectangle(x, y, width, height), originalBitmap.PixelFormat))
{
writer.WriteImage(bm, offsetX, offsetY);
}
}
catch (OutOfMemoryException)
{
throw new InvalidOperationException(string.Format("Unable to Add {0} to Sprite.", image.ImageUrl));
}
bitmap = writer.SpriteImage;
if ((originalBitmap.Width * originalBitmap.Height) > (bitmap.Width * bitmap.Height))
{
Size += writer.GetBytes("image/png").Length;
}
else
{
Size += imageBytes.Length;
}
}
}
var avgColor = settings.IsFullTrust ? GetColors(bitmap) : 0;
var spritedImage = new SpritedImage(avgColor, image, bitmap);
Images.Add(spritedImage);
Width += bitmap.Width + 1;
if (Height < bitmap.Height)
{
Height = bitmap.Height;
}
return(spritedImage);
}
public SpritedImage AddImage (BackgroundImageClass image)
{
byte[] imageBytes;
if(DownloadedImages.ContainsKey(image.ImageUrl) && image.IsSprite)
imageBytes = DownloadedImages[image.ImageUrl];
else
{
imageBytes = ImageLoader.GetImageBytes(image.ImageUrl);
if(image.IsSprite)
DownloadedImages.Add(image.ImageUrl, imageBytes);
}
Bitmap bitmap;
using (var originalBitmap = new Bitmap(new MemoryStream(imageBytes)))
{
var width = image.Width ?? originalBitmap.Width; //cliped width of original image
var height = image.Height ?? originalBitmap.Height;
using (var writer = new SpriteWriter(width, height))
{
var x = image.XOffset.Offset < 0 ? Math.Abs(image.XOffset.Offset) : 0; //offset on original
var y = image.YOffset.Offset < 0 ? Math.Abs(image.YOffset.Offset) : 0;
var imageWidth = width; //canvas width
if (width + x > originalBitmap.Width)
width = originalBitmap.Width - x;
var imageHeight = height;
if (height + y > originalBitmap.Height)
height = originalBitmap.Height - y;
var offsetX = 0;
var offsetY = 0;
if (image.XOffset.PositionMode == PositionMode.Direction)
{
switch (image.XOffset.Direction)
{
case Direction.Left:
image.XOffset = new Position { PositionMode = PositionMode.Percent, Offset = 0};
break;
case Direction.Center:
image.XOffset = new Position { PositionMode = PositionMode.Percent, Offset = 50};
break;
case Direction.Right:
image.XOffset = new Position { PositionMode = PositionMode.Percent, Offset = 100 };
break;
}
}
if (image.YOffset.PositionMode == PositionMode.Direction)
switch (image.YOffset.Direction)
{
case Direction.Top:
image.YOffset = new Position { PositionMode = PositionMode.Percent, Offset = 0 };
break;
case Direction.Center:
image.YOffset = new Position { PositionMode = PositionMode.Percent, Offset = 50 };
break;
case Direction.Bottom:
image.YOffset = new Position { PositionMode = PositionMode.Percent, Offset = 100 };
break;
}
if (image.XOffset.PositionMode == PositionMode.Percent)
{
if (originalBitmap.Width > imageWidth)
x = (int)Math.Round((originalBitmap.Width - imageWidth) * (image.XOffset.Offset / 100f), 0);
else
offsetX = (int)Math.Round((imageWidth - originalBitmap.Width) * (image.XOffset.Offset / 100f), 0);
}
else if (image.XOffset.PositionMode == PositionMode.Unit && image.XOffset.Offset > 0)
{
offsetX = image.XOffset.Offset;
if (originalBitmap.Width + offsetX > imageWidth)
width = imageWidth - offsetX;
}
if (image.YOffset.PositionMode == PositionMode.Percent)
{
if (originalBitmap.Height > imageHeight)
y = (int)Math.Round((originalBitmap.Height - height) * (image.YOffset.Offset / 100f), 0);
else
offsetY = (int)Math.Round((imageHeight - originalBitmap.Height) * (image.YOffset.Offset / 100f), 0);
}
try
{
using (var bm = originalBitmap.Clone(new Rectangle(x, y, width, height), originalBitmap.PixelFormat))
{
writer.WriteImage(bm, offsetX, offsetY);
}
}
catch (OutOfMemoryException)
{
throw new InvalidOperationException(string.Format("Unable to Add {0} to Sprite.", image.ImageUrl));
}
bitmap = writer.SpriteImage;
if ((originalBitmap.Width * originalBitmap.Height) > (bitmap.Width * bitmap.Height))
Size += writer.GetBytes("image/png").Length;
else
Size += imageBytes.Length;
}
}
var avgColor = settings.IsFullTrust ? GetColors(bitmap) : 0;
var spritedImage = new SpritedImage(avgColor, image, bitmap);
Images.Add(spritedImage);
Width += bitmap.Width + 1;
if (Height < bitmap.Height) Height = bitmap.Height;
return spritedImage;
}
public virtual IList<Sprite> Flush()
{
if(SpriteContainer.Size > 0)
{
Tracer.Trace("Beginning to Flush sprite");
using (var spriteWriter = new SpriteWriter(SpriteContainer.Width, SpriteContainer.Height))
{
var offset = 0;
foreach (var image in SpriteContainer)
{
spriteWriter.WriteImage(image.Image);
image.Position = offset;
offset += image.Image.Width + 1;
}
var bytes = spriteWriter.GetBytes("image/png");
byte[] optBytes;
try
{
optBytes = (config.ImageOptimizationDisabled || !config.IsFullTrust) ? bytes : pngOptimizer.OptimizePng(bytes, config.ImageOptimizationCompressionLevel, config.ImageQuantizationDisabled);
}
catch (OptimizationException optEx)
{
optBytes = bytes;
var message = string.Format("Errors optimizing. Received Error: {0}", optEx.Message);
Tracer.Trace(message);
Errors.Add(new SpriteException(message, optEx));
}
var url = generateSpriteUrl(optBytes);
foreach (var image in SpriteContainer)
{
image.Url = url;
foreach (var dupImage in spriteList)
{
if (dupImage.Key.Equals(image.Metadata) && dupImage.Value.Position == -1)
{
dupImage.Value.Position = image.Position;
dupImage.Value.Url = image.Url;
}
}
}
finalSprites.Add(new Sprite(url, optBytes));
}
Tracer.Trace("Finished Flushing sprite");
}
SpriteContainer = new SpriteContainer(ImageLoader, config);
return finalSprites;
}
