|
public abstract SetClipRect ( |
||
| clip | ||
| combineMode | CombineMode | |
| return | void | |
/// <summary>
/// Draw the background image of the given box in the given rectangle.<br/>
/// Handle background-repeat and background-position values.
/// </summary>
/// <param name="g">the device to draw into</param>
/// <param name="box">the box to draw its background image</param>
/// <param name="imageLoadHandler">the handler that loads image to draw</param>
/// <param name="rectangle">the rectangle to draw image in</param>
public static void DrawBackgroundImage(Canvas g, CssBox box, ImageBinder imageBinder, RectangleF rectangle)
{
var image = imageBinder.Image;
//temporary comment image scale code
var imgSize = image.Size;
//new Size(imageLoadHandler.Rectangle == Rectangle.Empty ? imageLoadHandler.Image.Width : imageLoadHandler.Rectangle.Width,
// imageLoadHandler.Rectangle == Rectangle.Empty ? imageLoadHandler.Image.Height : imageLoadHandler.Rectangle.Height);
// get the location by BackgroundPosition value
var location = GetLocation(box.BackgroundPositionX, box.BackgroundPositionY, rectangle, imgSize);
//var srcRect = imageLoadHandler.Rectangle == Rectangle.Empty
// ? new Rectangle(0, 0, imgSize.Width, imgSize.Height)
// : new Rectangle(imageLoadHandler.Rectangle.Left, imageLoadHandler.Rectangle.Top, imgSize.Width, imgSize.Height);
var srcRect = new Rectangle(0, 0, image.Width, image.Height);
// initial image destination rectangle
var destRect = new Rectangle(location, imgSize);
// need to clip so repeated image will be cut on rectangle
var prevClip = g.CurrentClipRect;
PixelFarm.Drawing.Rectangle copyRect = new PixelFarm.Drawing.Rectangle(
(int)rectangle.X,
(int)rectangle.Y,
(int)rectangle.Width,
(int)rectangle.Height);
copyRect.Intersect(prevClip);
g.SetClipRect(copyRect);
switch (box.BackgroundRepeat)
{
case CssBackgroundRepeat.NoRepeat:
g.DrawImage(image, new RectangleF(location, imgSize), new RectangleF(0, 0, image.Width, image.Height));
break;
case CssBackgroundRepeat.RepeatX:
DrawRepeatX(g, image, rectangle, srcRect, destRect, imgSize);
break;
case CssBackgroundRepeat.RepeatY:
DrawRepeatY(g, image, rectangle, srcRect, destRect, imgSize);
break;
default:
DrawRepeat(g, image, rectangle, srcRect, destRect, imgSize);
break;
}
g.SetClipRect(prevClip);
}