/// <see cref="UISpriteManagerBase.LoadSprite"/>
public override UISprite LoadSprite(byte[] imageData, RCIntVector pixelSize)
{
if (this.ObjectDisposed)
{
throw new ObjectDisposedException("XnaSpriteManager");
}
if (null == imageData)
{
throw new ArgumentNullException("imageData");
}
if (pixelSize == RCIntVector.Undefined)
{
throw new ArgumentNullException("pixelSize");
}
if (pixelSize.X <= 0 || pixelSize.Y <= 0)
{
throw new ArgumentOutOfRangeException("pixelSize");
}
/// Load the bitmap from the given byte array.
Stream byteStream = new MemoryStream(imageData);
Bitmap loadedBitmap = (Bitmap)Image.FromStream(byteStream);
byteStream.Close();
if (loadedBitmap.PixelFormat != PixelFormat.Format24bppRgb)
{
throw new ArgumentException("Pixel format of the given Bitmap must be PixelFormat.Format24bppRgb",
"originalBmp");
}
/// Create a new bitmap and copy the original to this new with the given pixel size.
Bitmap scaledBitmap = new Bitmap(loadedBitmap.Width * pixelSize.X,
loadedBitmap.Height * pixelSize.Y,
PixelFormat.Format24bppRgb);
XnaBitmapUtils.CopyBitmapScaled(loadedBitmap, scaledBitmap, new RCIntVector(1, 1), pixelSize);
loadedBitmap.Dispose();
lock (this.lockObj)
{
/// Create the XnaSprite object and register it to this sprite manager.
XnaSprite newSprite = new XnaSprite(scaledBitmap, pixelSize, this.platform);
this.sprites.Add(newSprite);
TraceManager.WriteAllTrace("XnaSpriteManager.LoadSprite: Sprite created", XnaTraceFilters.INFO);
return(newSprite);
}
}
/// <see cref="UISpriteManagerBase.CloseRenderContext"/>
public override void CloseRenderContext(UISprite sprite)
{
if (this.ObjectDisposed)
{
throw new ObjectDisposedException("XnaSpriteManager");
}
lock (this.lockObj)
{
XnaSprite target = (XnaSprite)sprite;
if (!this.renderContexts.ContainsKey(target))
{
throw new UIException("The given sprite doesn't have active render context!");
}
XnaSpriteRenderContext targetContext = this.renderContexts[target];
this.renderContexts.Remove(target);
targetContext.Close();
TraceManager.WriteAllTrace("XnaSpriteManager.CloseRenderContext: Render context for sprite closed", XnaTraceFilters.INFO);
}
}
/// <see cref="UISpriteManagerBase.CreateRenderContext_i"/>
protected override IUIRenderContext CreateRenderContext_i(UISprite sprite)
{
if (this.ObjectDisposed)
{
throw new ObjectDisposedException("XnaSpriteManager");
}
lock (this.lockObj)
{
XnaSprite target = (XnaSprite)sprite;
if (this.renderContexts.ContainsKey(target))
{
throw new UIException("The given sprite has already an active render context!");
}
XnaSpriteRenderContext targetContext = new XnaSpriteRenderContext(target, this);
this.renderContexts.Add(target, targetContext);
TraceManager.WriteAllTrace("XnaSpriteManager.CreateRenderContext: Render context for sprite created", XnaTraceFilters.INFO);
return(targetContext);
}
}
/// <see cref="IUIRenderContext.RenderSprite"/>
public void RenderSprite(UISprite sprite, RCIntVector position, RCIntRectangle section)
{
if (section == RCIntRectangle.Undefined)
{
this.RenderSprite(sprite, position);
return;
}
if (this.isClosed)
{
throw new UIException("Render context unavailable!");
}
if (sprite == null)
{
throw new ArgumentNullException("sprite");
}
if (position == RCIntVector.Undefined)
{
throw new ArgumentNullException("position");
}
XnaSprite srcSprite = (XnaSprite)sprite;
Bitmap sectionBmp = new Bitmap(section.Width * this.targetSprite.PixelSize.X,
section.Height * this.targetSprite.PixelSize.Y,
PixelFormat.Format24bppRgb);
XnaBitmapUtils.CopyBitmapScaled(srcSprite.RawBitmap, sectionBmp,
sprite.PixelSize, this.targetSprite.PixelSize,
section, new RCIntVector(0, 0));
if (srcSprite.TransparentColor != RCColor.Undefined)
{
sectionBmp.MakeTransparent(Color.FromArgb(srcSprite.TransparentColor.R,
srcSprite.TransparentColor.G,
srcSprite.TransparentColor.B));
}
this.targetGC.DrawImageUnscaled(sectionBmp,
position.X * this.targetSprite.PixelSize.X,
position.Y * this.targetSprite.PixelSize.Y);
sectionBmp.Dispose();
}
/// <summary>
/// Internal method to render a sprite in order to clip it with the clip rectangle.
/// </summary>
/// <param name="sprite">The sprite to render.</param>
/// <param name="position">The position where to render in screen coordinates.</param>
/// <param name="absSection">
/// The section of the sprite to render in the coordinate-system of the XNA-texture.
/// </param>
private void RenderSpriteWithClip(XnaSprite sprite, RCIntVector position, RCIntRectangle absSection)
{
/// Compute the clipped section in the coordinate-system of the XNA-texture.
RCIntRectangle clippedSection = new RCIntRectangle(this.Clip.Location - position + absSection.Location,
this.Clip.Size);
clippedSection.Intersect(absSection);
if (clippedSection != RCIntRectangle.Undefined)
{
Microsoft.Xna.Framework.Rectangle srcRect =
new Microsoft.Xna.Framework.Rectangle(clippedSection.X,
clippedSection.Y,
clippedSection.Width,
clippedSection.Height);
this.implementation.SpriteBatch.Draw(sprite.XnaTexture,
new Vector2((float)position.X + (float)clippedSection.X - (float)absSection.X,
(float)position.Y + (float)clippedSection.Y - (float)absSection.Y),
srcRect,
Microsoft.Xna.Framework.Color.White);
}
}
/// <see cref="IUISpriteManager.CreateSprite"/>
public override UISprite CreateSprite(RCColor color, RCIntVector spriteSize, RCIntVector pixelSize)
{
if (this.ObjectDisposed)
{
throw new ObjectDisposedException("XnaSpriteManager");
}
if (color == RCColor.Undefined)
{
throw new ArgumentNullException("color");
}
if (spriteSize == RCIntVector.Undefined)
{
throw new ArgumentNullException("spriteSize");
}
if (pixelSize == RCIntVector.Undefined)
{
throw new ArgumentNullException("pixelSize");
}
/// Create the empty bitmap and fill with the given color
Bitmap emptyBitmap = new Bitmap(spriteSize.X * pixelSize.X, spriteSize.Y * pixelSize.Y, PixelFormat.Format24bppRgb);
Graphics gc = Graphics.FromImage(emptyBitmap);
gc.Clear(Color.FromArgb(color.R, color.G, color.B));
gc.Dispose();
lock (this.lockObj)
{
/// Create the XnaSprite object and register it to this sprite manager.
XnaSprite newSprite = new XnaSprite(emptyBitmap, pixelSize, this.platform);
this.sprites.Add(newSprite);
TraceManager.WriteAllTrace("XnaSpriteManager.CreateSprite: Sprite created", XnaTraceFilters.INFO);
return(newSprite);
}
}
/// <see cref="UISpriteManagerBase.DestroySprite"/>
public override void DestroySprite(UISprite sprite)
{
if (this.ObjectDisposed)
{
throw new ObjectDisposedException("XnaSpriteManager");
}
lock (this.lockObj)
{
XnaSprite spriteToDestroy = (XnaSprite)sprite;
if (this.renderContexts.ContainsKey(spriteToDestroy))
{
throw new UIException("The given sprite still has active render context!");
}
/// Remove the sprite from the list and destroy it.
if (!this.sprites.Remove(spriteToDestroy))
{
throw new UIException("The given sprite has already been disposed or has not been created by this sprite manager!");
}
spriteToDestroy.Dispose();
TraceManager.WriteAllTrace("XnaSpriteManager.DestroySprite: Sprite destroyed", XnaTraceFilters.INFO);
}
}
/// <see cref="UISpriteManagerBase.ShrinkSprite"/>
public override UISprite ShrinkSprite(UISprite sprite, RCIntVector spriteSize, RCIntVector pixelSize)
{
if (this.ObjectDisposed)
{
throw new ObjectDisposedException("XnaSpriteManager");
}
if (spriteSize == RCIntVector.Undefined)
{
throw new ArgumentNullException("spriteSize");
}
if (pixelSize == RCIntVector.Undefined)
{
throw new ArgumentNullException("pixelSize");
}
lock (this.lockObj)
{
/// Search the sprite in the list.
XnaSprite spriteToShrink = (XnaSprite)sprite;
/// Create a copy of the original bitmap with pixelsize (1, 1) if necessary.
Bitmap bitmapToShrink;
if (spriteToShrink.PixelSize != new RCIntVector(1, 1))
{
bitmapToShrink = new Bitmap(spriteToShrink.Size.X, spriteToShrink.Size.Y, PixelFormat.Format24bppRgb);
XnaBitmapUtils.CopyBitmapScaled(spriteToShrink.RawBitmap, bitmapToShrink, spriteToShrink.PixelSize, new RCIntVector(1, 1));
}
else
{
bitmapToShrink = spriteToShrink.RawBitmap;
}
/// Create the shrinked bitmap with pixelsize (1, 1).
Bitmap shrinkedBitmap = new Bitmap(spriteSize.X, spriteSize.Y, PixelFormat.Format24bppRgb);
Graphics gc = Graphics.FromImage(shrinkedBitmap);
gc.InterpolationMode = InterpolationMode.NearestNeighbor;
gc.DrawImage(bitmapToShrink, new Rectangle(0, 0, spriteSize.X, spriteSize.Y), new Rectangle(0, 0, bitmapToShrink.Width, bitmapToShrink.Height), GraphicsUnit.Pixel);
gc.Dispose();
/// Scale the shrinked bitmap to the target pixel size if necessary.
Bitmap scaledShrinkedBitmap;
if (pixelSize != new RCIntVector(1, 1))
{
scaledShrinkedBitmap = new Bitmap(shrinkedBitmap.Width * pixelSize.X,
shrinkedBitmap.Height * pixelSize.Y,
PixelFormat.Format24bppRgb);
XnaBitmapUtils.CopyBitmapScaled(shrinkedBitmap, scaledShrinkedBitmap, new RCIntVector(1, 1), pixelSize);
}
else
{
scaledShrinkedBitmap = shrinkedBitmap;
}
/// Create the XnaSprite object and register it to this sprite manager.
XnaSprite shrinkedSprite = new XnaSprite(scaledShrinkedBitmap, pixelSize, this.platform);
shrinkedSprite.TransparentColor = sprite.TransparentColor;
this.sprites.Add(shrinkedSprite);
/// Cleanup if necessary.
if (bitmapToShrink != spriteToShrink.RawBitmap)
{
bitmapToShrink.Dispose();
}
if (shrinkedBitmap != scaledShrinkedBitmap)
{
shrinkedBitmap.Dispose();
}
TraceManager.WriteAllTrace("XnaSpriteManager.ShrinkedSprite: Sprite shrinked", XnaTraceFilters.INFO);
return(shrinkedSprite);
}
}
