private void BlendImageGdi(Bitmap srcImg1, Bitmap srcImg2, ImageSpliceSort eSort, out Bitmap destImg)
{
if (eSort == ImageSpliceSort.Vertical)
{
destImg = new Bitmap(srcImg1.Width, srcImg1.Height + srcImg2.Height, PixelFormat.Format32bppArgb);
Graphics G = Graphics.FromImage(destImg);
G.DrawImage(srcImg1, new Rectangle(0, 0, srcImg1.Width, srcImg1.Height), new Rectangle(0, 0, srcImg1.Width, srcImg1.Height), GraphicsUnit.Pixel);
G.DrawImage(srcImg2, new Rectangle(0, srcImg1.Height, srcImg2.Width, srcImg2.Height), new Rectangle(0, 0, srcImg2.Width, srcImg2.Height), GraphicsUnit.Pixel);
G.Dispose();
}
else if (eSort == ImageSpliceSort.Horizontal)
{
destImg = new Bitmap(srcImg1.Width + srcImg2.Width, srcImg1.Height, PixelFormat.Format32bppArgb);
Graphics G = Graphics.FromImage(destImg);
G.DrawImage(srcImg1, new Rectangle(0, 0, srcImg1.Width, srcImg1.Height), new Rectangle(0, 0, srcImg1.Width, srcImg1.Height), GraphicsUnit.Pixel);
G.DrawImage(srcImg2, new Rectangle(srcImg1.Width, 0, srcImg2.Width, srcImg2.Height), new Rectangle(0, 0, srcImg2.Width, srcImg2.Height), GraphicsUnit.Pixel);
G.Dispose();
}
else
{
destImg = new Bitmap(srcImg1.Width, srcImg1.Height, PixelFormat.Format32bppArgb);
Graphics G = Graphics.FromImage(destImg);
G.DrawImage(srcImg1, new Rectangle(0, 0, srcImg1.Width, srcImg1.Height), new Rectangle(0, 0, srcImg1.Width, srcImg1.Height), GraphicsUnit.Pixel);
G.DrawImage(srcImg2, new Rectangle(0, 0, srcImg2.Width, srcImg2.Height), new Rectangle(0, 0, srcImg2.Width, srcImg2.Height), GraphicsUnit.Pixel);
G.Dispose();
}
}
/// <summary>
/// 图片数据叠加
/// </summary>
public void CmdImage(Bitmap srcimg, Bitmap srcimg2, string outputpath)
{
ImageSpliceSort eSort = ImageSpliceSort.Vertical;
Bitmap destImg = null;
BlendImageGdi(srcimg, srcimg2, eSort, out destImg);
if (destImg != null)
{
destImg.Save(outputpath, ImageFormat.Jpeg);
destImg.Dispose();
}
}
/// <summary>
/// 图片数据叠加-文件加载
/// </summary>
public void CmdImage(string srcimgPath, string descimgpath, string outputpath)
{
var srcimg1 = new Bitmap(srcimgPath);
var srcimg2 = new Bitmap(descimgpath);
ImageSpliceSort eSort = ImageSpliceSort.Vertical;
Bitmap destImg = null;
BlendImageGdi(srcimg1, srcimg2, eSort, out destImg);
if (destImg != null)
{
destImg.Save(outputpath, ImageFormat.Jpeg);
destImg.Dispose();
}
srcimg1.Dispose();
srcimg2.Dispose();
}
/// <summary>
/// 图片数据截取并叠加
/// </summary>
private void TestBlendImageCode3()
{
string srcimgPath = AppDomain.CurrentDomain.BaseDirectory + "14140889701(1139,919,507,439).jpg";
var srcimg1 = new Bitmap(srcimgPath);
Bitmap srcimg2 = null;
Rectangle cropRect = new Rectangle(1139, 919, 507, 439);
CropImage(srcimg1, cropRect, out srcimg2);
ImageSpliceSort eSort = ImageSpliceSort.Vertical;
Bitmap destImg = null;
BlendImageGdi(srcimg1, srcimg2, eSort, out destImg);
destImg.Save(AppDomain.CurrentDomain.BaseDirectory + "14140889701.jpg", ImageFormat.Jpeg);
destImg.Dispose();
srcimg1.Dispose();
srcimg2.Dispose();
}
/// <summary>
/// 图片数据叠加
/// </summary>
private void TestBlendImageCode()
{
var srcimg1 = new Bitmap(AppDomain.CurrentDomain.BaseDirectory + "2016-01-12-15h.png");
var srcimg2 = new Bitmap(AppDomain.CurrentDomain.BaseDirectory + "49.jpg");
ImageSpliceSort eSort = ImageSpliceSort.Vertical;
Bitmap destImg = null;
BlendImageGdi(srcimg1, srcimg2, eSort, out destImg);
destImg.Save(AppDomain.CurrentDomain.BaseDirectory + "49_2.jpg", ImageFormat.Jpeg);
destImg.Dispose();
eSort = ImageSpliceSort.Horizontal;
Bitmap destImg2 = null;
BlendImageGdi(srcimg1, srcimg2, eSort, out destImg2);
destImg2.Save(AppDomain.CurrentDomain.BaseDirectory + "49_3.jpg", ImageFormat.Jpeg);
destImg2.Dispose();
srcimg1.Dispose();
srcimg2.Dispose();
}
/// <summary>
/// 图片数据叠加
/// </summary>
public bool CmdImage(Bitmap srcimg, Rectangle cropRect, string outputpath, out string errorMsg, int iOver = 0)
{
try
{
errorMsg = null;
if (srcimg.Width < cropRect.X + cropRect.Width)
{
errorMsg = "截图区域宽度不符合要求:" + srcimg.Width.ToString() + "-" + (cropRect.X + cropRect.Width).ToString();
return(false);
}
if (srcimg.Height < cropRect.Y + cropRect.Height)
{
errorMsg = "截图区域高度不符合要求:" + srcimg.Height.ToString() + "-" + (cropRect.Y + cropRect.Height).ToString();
return(false);
}
Bitmap srcimg2 = null;
CropImage(srcimg, cropRect, out srcimg2);
if ((srcimg2 == null) || (srcimg2.Width < 5) || (srcimg2.Height < 5))
{
errorMsg = "截图区域小于5个像素";
if (srcimg2 != null)
{
srcimg2.Dispose();
}
return(false);
}
// 放大或缩小
int zoom = 2;
Rectangle zoomRect = new Rectangle();
zoomRect.X = cropRect.X - (int)(cropRect.Width * 1.0F / zoom);
zoomRect.Y = cropRect.Y - (int)(cropRect.Height * 1.0F / zoom);
if (zoomRect.X < 0)
{
zoomRect.X = 0;
}
if (zoomRect.Y < 0)
{
zoomRect.Y = 0;
}
var srcimg3 = new Bitmap(srcimg2, srcimg2.Width * zoom, srcimg2.Height * zoom);
zoomRect.Width = cropRect.Width * 2;
zoomRect.Height = cropRect.Height * 2;
Bitmap destImg = null;
if (iOver == 0)
{
Rectangle selRect = SelectRectangle(srcimg, cropRect, zoomRect);
if ((selRect.Width > 0 && selRect.Height > 0))
{
BlendImageGdi(srcimg, srcimg3, selRect, out destImg);
}
else
{
errorMsg = "截图区域无法叠加";
srcimg2.Dispose();
srcimg3.Dispose();
return(false);
}
}
else
{
ImageSpliceSort eSort = ImageSpliceSort.Default;
if (iOver == 1)
{
eSort = ImageSpliceSort.Vertical;
BlendImageGdi(srcimg3, srcimg, eSort, out destImg);
}
else if (iOver == 3)
{
eSort = ImageSpliceSort.Vertical;
BlendImageGdi(srcimg, srcimg3, eSort, out destImg);
}
else if (iOver == 2)
{
eSort = ImageSpliceSort.Horizontal;
BlendImageGdi(srcimg3, srcimg, eSort, out destImg);
}
else
{
eSort = ImageSpliceSort.Horizontal;
BlendImageGdi(srcimg, srcimg3, eSort, out destImg);
}
}
if (destImg != null)
{
destImg.Save(outputpath, ImageFormat.Jpeg);
destImg.Dispose();
srcimg2.Dispose();
srcimg3.Dispose();
return(true);
}
errorMsg = "截图对象为空";
srcimg2.Dispose();
srcimg3.Dispose();
return(false);
}
catch (Exception ex)
{
errorMsg = (ex.InnerException != null) ? ex.InnerException.Message : ex.Message;
return(false);
}
}
