实例介绍
【实例截图】
【核心代码】
public partial class ImageDrawRect
{
public static ContentAlignment anyRight = ContentAlignment.BottomRight | (ContentAlignment.MiddleRight | ContentAlignment.TopRight);
public static ContentAlignment anyTop = ContentAlignment.TopRight | (ContentAlignment.TopCenter | ContentAlignment.TopLeft);
public static ContentAlignment anyBottom = ContentAlignment.BottomRight | (ContentAlignment.BottomCenter | ContentAlignment.BottomLeft);
public static ContentAlignment anyCenter = ContentAlignment.BottomCenter | (ContentAlignment.MiddleCenter | ContentAlignment.TopCenter);
public static ContentAlignment anyMiddle = ContentAlignment.MiddleRight | (ContentAlignment.MiddleCenter | ContentAlignment.MiddleLeft);
/// <summary>
/// 绘图对像
/// </summary>
/// <param name="g">绘图对像</param>
/// <param name="img">图片</param>
/// <param name="r">绘置的图片大小、坐标</param>
/// <param name="lr">绘置的图片边界</param>
/// <param name="index">当前状态</param>
/// <param name="Totalindex">状态总数</param>
public static void DrawRect(Graphics g, Bitmap img, Rectangle r, Rectangle lr, int index, int Totalindex)
{
if (img == null) return;
Rectangle r1, r2;
int x = (index - 1) * img.Width / Totalindex;
int y = 0;
int x1 = r.Left;
int y1 = r.Top;
if (r.Height > img.Height && r.Width <= img.Width / Totalindex)
{
r1 = new Rectangle(x, y, img.Width / Totalindex, lr.Top);
r2 = new Rectangle(x1, y1, r.Width, lr.Top);
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
r1 = new Rectangle(x, y lr.Top, img.Width / Totalindex, img.Height - lr.Top - lr.Bottom);
r2 = new Rectangle(x1, y1 lr.Top, r.Width, r.Height - lr.Top - lr.Bottom);
if ((lr.Top lr.Bottom) == 0) r1.Height = r1.Height - 1;
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
r1 = new Rectangle(x, y img.Height - lr.Bottom, img.Width / Totalindex, lr.Bottom);
r2 = new Rectangle(x1, y1 r.Height - lr.Bottom, r.Width, lr.Bottom);
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
}
else
if (r.Height <= img.Height && r.Width > img.Width / Totalindex)
{
r1 = new Rectangle(x, y, lr.Left, img.Height);
r2 = new Rectangle(x1, y1, lr.Left, r.Height);
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
r1 = new Rectangle(x lr.Left, y, img.Width / Totalindex - lr.Left - lr.Right, img.Height);
r2 = new Rectangle(x1 lr.Left, y1, r.Width - lr.Left - lr.Right, r.Height);
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
r1 = new Rectangle(x img.Width / Totalindex - lr.Right, y, lr.Right, img.Height);
r2 = new Rectangle(x1 r.Width - lr.Right, y1, lr.Right, r.Height);
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
}
else
if (r.Height <= img.Height && r.Width <= img.Width / Totalindex)
{
r1 = new Rectangle((index - 1) * img.Width / Totalindex, 0, img.Width / Totalindex, img.Height - 1);
g.DrawImage(img, new Rectangle(x1, y1, r.Width, r.Height), r1, GraphicsUnit.Pixel);
}
else if (r.Height > img.Height && r.Width > img.Width / Totalindex)
{
//top-left
r1 = new Rectangle(x, y, lr.Left, lr.Top);
r2 = new Rectangle(x1, y1, lr.Left, lr.Top);
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
//top-bottom
r1 = new Rectangle(x, y img.Height - lr.Bottom, lr.Left, lr.Bottom);
r2 = new Rectangle(x1, y1 r.Height - lr.Bottom, lr.Left, lr.Bottom);
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
//left
r1 = new Rectangle(x, y lr.Top, lr.Left, img.Height - lr.Top - lr.Bottom);
r2 = new Rectangle(x1, y1 lr.Top, lr.Left, r.Height - lr.Top - lr.Bottom);
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
//top
r1 = new Rectangle(x lr.Left, y,
img.Width / Totalindex - lr.Left - lr.Right, lr.Top);
r2 = new Rectangle(x1 lr.Left, y1,
r.Width - lr.Left - lr.Right, lr.Top);
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
//right-top
r1 = new Rectangle(x img.Width / Totalindex - lr.Right, y, lr.Right, lr.Top);
r2 = new Rectangle(x1 r.Width - lr.Right, y1, lr.Right, lr.Top);
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
//Right
r1 = new Rectangle(x img.Width / Totalindex - lr.Right, y lr.Top,
lr.Right, img.Height - lr.Top - lr.Bottom);
r2 = new Rectangle(x1 r.Width - lr.Right, y1 lr.Top,
lr.Right, r.Height - lr.Top - lr.Bottom);
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
//right-bottom
r1 = new Rectangle(x img.Width / Totalindex - lr.Right, y img.Height - lr.Bottom,
lr.Right, lr.Bottom);
r2 = new Rectangle(x1 r.Width - lr.Right, y1 r.Height - lr.Bottom,
lr.Right, lr.Bottom);
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
//bottom
r1 = new Rectangle(x lr.Left, y img.Height - lr.Bottom,
img.Width / Totalindex - lr.Left - lr.Right, lr.Bottom);
r2 = new Rectangle(x1 lr.Left, y1 r.Height - lr.Bottom,
r.Width - lr.Left - lr.Right, lr.Bottom);
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
//Center
r1 = new Rectangle(x lr.Left, y lr.Top,
img.Width / Totalindex - lr.Left - lr.Right, img.Height - lr.Top - lr.Bottom);
r2 = new Rectangle(x1 lr.Left, y1 lr.Top,
r.Width - lr.Left - lr.Right, r.Height - lr.Top - lr.Bottom);
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
}
}
/// <summary>
/// 绘图对像
/// </summary>
/// <param name="g"> 绘图对像</param>
/// <param name="obj">图片对像</param>
/// <param name="r">绘置的图片大小、坐标</param>
/// <param name="index">当前状态</param>
/// <param name="Totalindex">状态总数</param>
public static void DrawRect(Graphics g, Bitmap img, Rectangle r, int index, int Totalindex)
{
if (img == null) return;
int width= img.Width / Totalindex;
int height = img.Height;
Rectangle r1, r2;
int x = (index - 1) * width;
int y = 0;
int x1 = r.Left;
int y1 = r.Top;
r1 = new Rectangle(x, y, width,height);
r2 = new Rectangle(x1, y1, r.Width, r.Height);
g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);
}
public static Rectangle HAlignWithin(Size alignThis, Rectangle withinThis, ContentAlignment align)
{
if ((align & anyRight) != (ContentAlignment)0)
{
withinThis.X = (withinThis.Width - alignThis.Width);
}
else if ((align & anyCenter) != ((ContentAlignment)0))
{
withinThis.X = ((withinThis.Width - alignThis.Width 1) / 2);
}
withinThis.Width = alignThis.Width;
return withinThis;
}
public static Rectangle VAlignWithin(Size alignThis, Rectangle withinThis, ContentAlignment align)
{
if ((align & anyBottom) != ((ContentAlignment)0))
{
withinThis.Y = (withinThis.Height - alignThis.Height);
}
else if ((align & anyMiddle) != ((ContentAlignment)0))
{
withinThis.Y = ((withinThis.Height - alignThis.Height 1) / 2);
}
withinThis.Height = alignThis.Height;
return withinThis;
}
}
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