public static void DrawImage(Graphics g, Image image, ImageLayoutMode layoutMode, Rectangle rect)
{
// Graphics g = Graphics.FromHwnd(IntPtr.Zero);
if (layoutMode == ImageLayoutMode.None)
{
Rectangle tempRect = new Rectangle(rect.X, rect.Y, image.Width, image.Height);
g.SetClip(rect);
g.DrawImage(image, tempRect);
g.ResetClip();
}
else if (layoutMode == ImageLayoutMode.Stretch)
{
g.DrawImage(image, rect);
}
else if (layoutMode == ImageLayoutMode.FitToWidth)
{
g.SetClip(rect);
Size newSize = new Size(rect.Width, rect.Width * image.Height / image.Width);
g.DrawImage(image, new Rectangle(rect.Location, newSize));
g.ResetClip();
}
else if (layoutMode == ImageLayoutMode.FitToHeight)
{
g.SetClip(rect);
Size newSize = new Size(rect.Height * image.Width / image.Height, rect.Height);
g.DrawImage(image, new Rectangle(rect.Location, newSize));
g.ResetClip();
}
}
/// <ToBeCompleted></ToBeCompleted>
private static TextureBrush GetBrush(Image image, ImageLayoutMode imageLayout, float gamma, byte transparency, bool grayScale)
{
if (image == null)
{
throw new ArgumentNullException("image");
}
BrushKey brushKey;
brushKey.FillStyle = null;
brushKey.Image = image;
Brush brush = null;
if (!_brushCache.TryGetValue(brushKey, out brush))
{
// First, get ImageAttributes
ImageAttributes imgAttribs = null;
if (!_imageAttribsCache.TryGetValue(brushKey, out imgAttribs))
{
imgAttribs = GdiHelpers.GetImageAttributes(imageLayout, gamma, transparency, grayScale);
_imageAttribsCache.Add(brushKey, imgAttribs);
}
// Create Brush
_rectBuffer.X = 0;
_rectBuffer.Y = 0;
_rectBuffer.Width = image.Width;
_rectBuffer.Height = image.Height;
brush = new TextureBrush(image, _rectBuffer, imgAttribs);
// Add created brush to the BrushCache
_brushCache.Add(brushKey, brush);
}
return((TextureBrush)brush);
}
private void Construct()
{
// this fillStyle holds the image of the shape
image = null;
imageGrayScale = false;
compressionQuality = 100;
imageGamma = 1;
imageLayout = ImageLayoutMode.Original;
imageTransparency = 0;
}
//private Image BrushImage {
// get {
// if (brushImage == null
// && !NamedImage.IsNullOrEmpty(image)
// && (image.Width >= 2 * Width || image.Height >= 2 * Height))
// brushImage = GdiHelpers.GetBrushImage(image.Image, Width, Height);
// return brushImage;
// }
//}
private void Construct(string resourceBaseName, Assembly resourceAssembly)
{
if (resourceBaseName == null) throw new ArgumentNullException("resourceBaseName");
System.IO.Stream stream = resourceAssembly.GetManifestResourceStream(resourceBaseName);
if (stream == null) throw new ArgumentException(string.Format("'{0}' is not a valid resource in '{1}'.", resourceBaseName, resourceAssembly), "resourceBaseName");
var customimage = System.Drawing.Image.FromStream(stream);
if (customimage == null) throw new ArgumentException(string.Format("'{0}' is not a valid image resource.", resourceBaseName), "resourceBaseName");
this.resourceName = resourceBaseName;
this.resourceAssembly = resourceAssembly;
image = new NamedImage(customimage, "customimage");
// this fillStyle holds the image of the shape
imageGrayScale = false;
compressionQuality = 100;
imageGamma = 1;
imageLayout = ImageLayoutMode.Original;
imageTransparency = 0;
//FitShapeToImageSize();
}
/// <override></override>
protected override void LoadFieldsCore(IRepositoryReader reader, int version)
{
base.LoadFieldsCore(reader, version);
imageLayout = (ImageLayoutMode)reader.ReadByte();
imageTransparency = reader.ReadByte();
imageGamma = reader.ReadFloat();
compressionQuality = reader.ReadByte();
imageGrayScale = reader.ReadBool();
string name = reader.ReadString();
Image img = reader.ReadImage();
if (name != null && img != null)
image = new NamedImage(img, name);
transparentColor = Color.FromArgb(reader.ReadInt32());
}
/// <override></override>
public override void CopyFrom(Shape source)
{
base.CopyFrom(source);
if (source is CustomPictureBase) {
CustomPictureBase src = (CustomPictureBase)source;
if (!NamedImage.IsNullOrEmpty(src.Image))
Image = src.Image.Clone();
imageGrayScale = src.GrayScale;
imageLayout = src.ImageLayout;
imageGamma = src.GammaCorrection;
imageTransparency = src.Transparency;
transparentColor = src.TransparentColor;
compressionQuality = src.compressionQuality;
}
}
/// <ToBeCompleted></ToBeCompleted>
public static TextureBrush GetBrush(Image image, ImageLayoutMode imageLayout, float gamma, byte transparency, bool grayScale) {
if (image == null) throw new ArgumentNullException("image");
BrushKey brushKey;
brushKey.FillStyle = null;
brushKey.Image = image;
Brush brush = null;
brushCache.TryGetValue(brushKey, out brush);
if (!(brush is TextureBrush)) {
// First, get ImageAttributes
ImageAttributes imgAttribs = null;
imageAttribsCache.TryGetValue(brushKey, out imgAttribs);
if (imgAttribs == null) {
imgAttribs = GdiHelpers.GetImageAttributes(imageLayout, gamma, transparency, grayScale);
imageAttribsCache.Add(brushKey, imgAttribs);
}
// Create Brush
rectBuffer.X = 0;
rectBuffer.Y = 0;
rectBuffer.Width = image.Width;
rectBuffer.Height = image.Height;
brush = new TextureBrush(image, rectBuffer, imgAttribs);
// add created brush to the BrushCache
if (brushCache.ContainsKey(brushKey))
brushCache[brushKey] = brush;
else brushCache.Add(brushKey, brush);
}
return (TextureBrush)brush;
}
void IEntity.LoadFields(IRepositoryReader reader, int version)
{
name = reader.ReadString();
if (version >= 3) title = reader.ReadString();
if (version >= 4) securityDomainName = reader.ReadChar();
size.Width = reader.ReadInt32();
size.Height = reader.ReadInt32();
backColor = Color.FromArgb(reader.ReadInt32());
targetColor = Color.FromArgb(reader.ReadInt32());
string imgName = reader.ReadString();
Image img = reader.ReadImage();
if (img != null) backImage = new NamedImage(img, imgName);
imageLayout = (ImageLayoutMode)reader.ReadByte();
imageGamma = reader.ReadFloat();
imageTransparency = reader.ReadByte();
imageGrayScale = reader.ReadBool();
imageTransparentColor = Color.FromArgb(reader.ReadInt32());
}
