internal void DrawImage(ref System.DrawingCore.Bitmap bm, string qrcode)
{
Graphics g = null;
g = Graphics.FromImage(bm);
float mag = PixelConversions.GetMagnification(g, bm.Width, bm.Height, OptimalHeight, OptimalWidth);
int barHeight = PixelConversions.PixelXFromMm(g, OptimalHeight * mag);
int barWidth = PixelConversions.PixelYFromMm(g, OptimalWidth * mag);
var writer = new ZXing.BarcodeWriterPixelData
{
Format = ZXing.BarcodeFormat.CODE_39,
Options = new QrCodeEncodingOptions
{
Height = barHeight,
Width = barWidth,
Margin = 0
}
};
writer.Format = ZXing.BarcodeFormat.QR_CODE;
writer.Options.Height = barHeight;
writer.Options.Width = barWidth;
bm = ConvertPixelDataToBitmap(writer.Write(qrcode));
}
public static void ApplyWaterMark(int x, int y, Bitmap bmp, string[] watermark)
{
if (watermark.Length == 0)
{
return;
}
try
{
int yOffset = (int)(SystemFonts.DefaultFont.SizeInPoints * 1.5f);
int maxLength = watermark.Max(s => s.Length);
int xWidth = (int)Math.Round(maxLength * SystemFonts.DefaultFont.SizeInPoints * 0.7);
int i = 0;
var pix = bmp.GetPixel(x, y);
using (var g = Graphics.FromImage(bmp))
{
using (var textBrush = Brushes.Wheat) //new SolidBrush(textColor)
{
g.FillRectangle(Brushes.Black, 0, y, xWidth, y + yOffset * watermark.Length);
foreach (var s in watermark)
{
g.DrawString(s, SystemFonts.DefaultFont, textBrush, x, Math.Min(y + i * yOffset, 719));
i++;
}
}
}
}
catch (Exception ex)
{
Trace.WriteLine(string.Format("Error applying watermark : "));
Trace.WriteLine(ex);
}
}
public void RunPages(Pages pgs) // this does all the work
{
int pageNo = 1;
// STEP: processing a page.
foreach (Page p in pgs)
{
System.DrawingCore.Bitmap bm = CreateObjectBitmap();
System.DrawingCore.Graphics g = System.DrawingCore.Graphics.FromImage(bm);
g.PageUnit = GraphicsUnit.Pixel;
g.ScaleTransform(1, 1);
DpiX = g.DpiX;
DpiY = g.DpiY;
// STEP: Fill backgroup
g.FillRectangle(Brushes.White, 0F, 0F, (float)bm.Width, (float)bm.Height);
// STEP: draw page to bitmap
ProcessPage(g, p);
// STEP:
System.DrawingCore.Bitmap bm2 = ConvertToBitonal(bm);
if (pageNo == 1)
{
_tif = bm2;
}
SaveBitmap(_tif, bm2, tw, pageNo);
pageNo++;
}
if (_tif != null)
{
// STEP: prepare encoder parameters
EncoderParameters encoderParams = new EncoderParameters(1);
encoderParams.Param[0] = new EncoderParameter(
System.DrawingCore.Imaging.Encoder.SaveFlag, (long)EncoderValue.Flush
);
// STEP:
_tif.SaveAdd(encoderParams);
}
return;
}
private Bitmap CreateObjectBitmap()
{
float dpiX = 200F;
float dpiY = 200F;
Bitmap bm = new System.DrawingCore.Bitmap(
Convert.ToInt32(r.ReportDefinition.PageWidth.Size / 2540F * dpiX),
Convert.ToInt32(r.ReportDefinition.PageHeight.Size / 2540F * dpiY)
);
bm.MakeTransparent(Color.White);
bm.SetResolution(dpiX, dpiY);
return(bm);
}
/// <summary>
/// 输出验证码
/// </summary>
/// <param name="checkCode"></param>
public static byte[] CreateImage(string checkCode)
{
int iwidth = (int)(checkCode.Length * 15);
System.DrawingCore.Bitmap image = new System.DrawingCore.Bitmap(iwidth, 20);
System.DrawingCore.Graphics g = System.DrawingCore.Graphics.FromImage(image);
g.Clear(System.DrawingCore.Color.White);
//定义颜色
Color[] c = { Color.Black, Color.Red, Color.DarkBlue, Color.Green, Color.Brown, Color.DarkCyan, Color.Purple };
//定义字体
string[] font = { "Times New Roman", "Microsoft Sans Serif", "MS Mincho", "Book Antiqua", "PMingLiU" };
Random rand = new Random();
//随机输出噪点
for (int i = 0; i < 50; i++)
{
int x = rand.Next(image.Width);
int y = rand.Next(image.Height);
g.DrawRectangle(new Pen(Color.LightGray, 0), x, y, 1, 1);
}
//输出不同字体和颜色的验证码字符
for (int i = 0; i < checkCode.Length; i++)
{
int cindex = rand.Next(7);
int findex = rand.Next(5);
Font f = new Font(font[findex], 10, FontStyle.Bold);
Brush b = new SolidBrush(c[cindex]);
int ii = 4;
if ((i + 1) % 2 == 0)
{
ii = 2;
}
g.DrawString(checkCode.Substring(i, 1), f, b, 3 + (i * 14), ii);
}
//画一个边框
g.DrawRectangle(new Pen(Color.Black, 0), 0, 0, image.Width - 1, image.Height - 1);
//输出到浏览器
System.IO.MemoryStream ms = new System.IO.MemoryStream();
image.Save(ms, System.DrawingCore.Imaging.ImageFormat.Jpeg);
byte[] buffer = ms.ToArray();
g.Dispose();
image.Dispose();
return(buffer);
}
/// <summary>
/// 生成图片缩略图
/// </summary>
/// <param name="sourcePath">图片路径</param>
/// <param name="newPath">新图片路径</param>
/// <param name="width">宽度</param>
/// <param name="height">高度</param>
public static void MakeThumbnail(string sourcePath, string newPath, int width, int height)
{
System.DrawingCore.Image ig = System.DrawingCore.Image.FromFile(sourcePath);
int towidth = width;
int toheight = height;
int x = 0;
int y = 0;
int ow = ig.Width;
int oh = ig.Height;
if ((double)ig.Width / (double)ig.Height > (double)towidth / (double)toheight)
{
oh = ig.Height;
ow = ig.Height * towidth / toheight;
y = 0;
x = (ig.Width - ow) / 2;
}
else
{
ow = ig.Width;
oh = ig.Width * height / towidth;
x = 0;
y = (ig.Height - oh) / 2;
}
System.DrawingCore.Image bitmap = new System.DrawingCore.Bitmap(towidth, toheight);
System.DrawingCore.Graphics g = System.DrawingCore.Graphics.FromImage(bitmap);
g.InterpolationMode = System.DrawingCore.Drawing2D.InterpolationMode.High;
g.SmoothingMode = System.DrawingCore.Drawing2D.SmoothingMode.HighQuality;
g.Clear(System.DrawingCore.Color.Transparent);
g.DrawImage(ig, new System.DrawingCore.Rectangle(0, 0, towidth, toheight), new System.DrawingCore.Rectangle(x, y, ow, oh), GraphicsUnit.Pixel);
try
{
bitmap.Save(newPath, System.DrawingCore.Imaging.ImageFormat.Jpeg);
}
catch (Exception ex)
{
throw ex;
}
finally
{
ig.Dispose();
bitmap.Dispose();
g.Dispose();
}
}
private Bitmap ConvertPixelDataToBitmap(PixelData pixelData)
{
using (var bitmap = new System.DrawingCore.Bitmap(pixelData.Width, pixelData.Height, System.DrawingCore.Imaging.PixelFormat.Format32bppRgb))
using (var ms = new MemoryStream())
{
var bitmapData = bitmap.LockBits(new System.DrawingCore.Rectangle(0, 0, pixelData.Width, pixelData.Height), System.DrawingCore.Imaging.ImageLockMode.WriteOnly, System.DrawingCore.Imaging.PixelFormat.Format32bppRgb);
try
{
// we assume that the row stride of the bitmap is aligned to 4 byte multiplied by the width of the image
System.Runtime.InteropServices.Marshal.Copy(pixelData.Pixels, 0, bitmapData.Scan0, pixelData.Pixels.Length);
}
finally
{
bitmap.UnlockBits(bitmapData);
}
// save to stream as PNG
bitmap.Save(ms, System.DrawingCore.Imaging.ImageFormat.Jpeg);
return(bitmap);
}
}
/// <summary>
/// Design time: Draw a hard coded BarCode for design time; Parameters can't be
/// relied on since they aren't available.
/// </summary>
/// <param name="bm"></param>
public void DrawDesignerImage(ref System.DrawingCore.Bitmap bm)
{
DrawImage(ref bm, "MYFYI");
}
void ICustomReportItem.DrawImage(ref System.DrawingCore.Bitmap bm)
{
DrawImage(ref bm, _qrCode);
}
/// <summary>
/// Design time: Draw a hard coded BarCode for design time; Parameters can't be
/// relied on since they aren't available.
/// </summary>
/// <param name="bm"></param>
void ICustomReportItem.DrawDesignerImage(ref System.DrawingCore.Bitmap bm)
{
DrawImage(ref bm, "https://github.com/majorsilence/My-FyiReporting");
}
void DrawImage(ref System.DrawingCore.Bitmap bm)
{
DrawImage(ref bm, _aztecCode);
}
/// <summary>
/// Design time: Draw a hard coded BarCode for design time; Parameters can't be
/// relied on since they aren't available.
/// </summary>
/// <param name="bm"></param>
public void DrawDesignerImage(ref System.DrawingCore.Bitmap bm)
{
DrawImage(bm, "00" + "12345" + "12345");
}
/// <summary>
/// Runtime: Draw the BarCode
/// </summary>
/// <param name="bm">Bitmap to draw the barcode in.</param>
public void DrawImage(ref System.DrawingCore.Bitmap bm)
{
string upcode = _NumberSystem + _ManufacturerCode + _ProductCode;
DrawImage(bm, upcode);
}
/// <summary>
/// 生成缩略图到MemoryStream
/// </summary>
/// <param name="SourceFile"></param>
/// <param name="intThumbWidth"></param>
/// <param name="intThumbHeight"></param>
/// <param name="gap">是否补足空白</param>
public static MemoryStream ThumbImageToStream(string SourceFile, int intThumbWidth, int intThumbHeight, bool gap = true)
{
MemoryStream ms = new MemoryStream();
//原图加载
using (System.DrawingCore.Image sourceImage = System.DrawingCore.Image.FromFile(SourceFile))
{
//是否显示原图
if (intThumbWidth == 0 && intThumbHeight == 0)
{
sourceImage.Save(ms, System.DrawingCore.Imaging.ImageFormat.Png);
return(ms);
}
//原图宽度和高度
int width = sourceImage.Width;
int height = sourceImage.Height;
int smallWidth;
int smallHeight;
//如果原图长宽均比缩略图的要小则返回原stream
if (width <= intThumbWidth && height <= intThumbHeight)
{
sourceImage.Save(ms, System.DrawingCore.Imaging.ImageFormat.Png);
return(ms);
}
//获取第一张绘制图的大小,(比较 原图的宽/缩略图的宽 和 原图的高/缩略图的高)
if (((decimal)width) / height <= ((decimal)intThumbWidth) / intThumbHeight)
{
smallWidth = intThumbHeight * width / height;
smallHeight = intThumbHeight;
}
else
{
smallWidth = intThumbWidth;
smallHeight = intThumbWidth * height / width;
}
Image newimg = sourceImage.GetThumbnailImage(smallWidth, smallHeight, null, IntPtr.Zero);
//使用原宽高比输出，不补足空白
if (!gap)
{
newimg.Save(ms, System.DrawingCore.Imaging.ImageFormat.Png);
return(ms);
}
//新建一个图板,以最小等比例压缩大小绘制原图
using (System.DrawingCore.Image bitmap = new System.DrawingCore.Bitmap(smallWidth, smallHeight))
{
//绘制中间图
using (System.DrawingCore.Graphics g = System.DrawingCore.Graphics.FromImage(bitmap))
{
//高清,平滑
g.InterpolationMode = System.DrawingCore.Drawing2D.InterpolationMode.High;
g.SmoothingMode = System.DrawingCore.Drawing2D.SmoothingMode.HighQuality;
g.Clear(Color.Transparent);
g.DrawImage(
sourceImage,
new System.DrawingCore.Rectangle(0, 0, smallWidth, smallHeight),
new System.DrawingCore.Rectangle(0, 0, width, height),
System.DrawingCore.GraphicsUnit.Pixel
);
}
//新建一个图板,以缩略图大小绘制中间图
using (System.DrawingCore.Image bitmap1 = new System.DrawingCore.Bitmap(intThumbWidth, intThumbHeight))
{
//绘制缩略图
using (System.DrawingCore.Graphics g = System.DrawingCore.Graphics.FromImage(bitmap1))
{
//高清,平滑
g.InterpolationMode = System.DrawingCore.Drawing2D.InterpolationMode.High;
g.SmoothingMode = System.DrawingCore.Drawing2D.SmoothingMode.HighQuality;
g.Clear(Color.Transparent);
int lwidth = (smallWidth - intThumbWidth) / 2;
int bheight = (smallHeight - intThumbHeight) / 2;
g.DrawImage(bitmap, new Rectangle(0, 0, intThumbWidth, intThumbHeight), lwidth, bheight, intThumbWidth, intThumbHeight, GraphicsUnit.Pixel);
g.Dispose();
bitmap1.Save(ms, System.DrawingCore.Imaging.ImageFormat.Png);
return(ms);
}
}
}
}
}
/// <summary>
/// Runtime: Draw the BarCode
/// </summary>
/// <param name="bm">Bitmap to draw the barcode in.</param>
public void DrawImage(ref System.DrawingCore.Bitmap bm)
{
_Ean13.DrawImage(ref bm);
}
/// <summary>
/// Design time: Draw a hard coded BarCode for design time; Parameters can't be
/// relied on since they aren't available.
/// </summary>
/// <param name="bm"></param>
public void DrawDesignerImage(ref System.DrawingCore.Bitmap bm)
{
_Ean13.DrawImage(bm, "978015602732"); // Yann Martel-Life of Pi
}
/// <summary>
/// DrawImage given a Bitmap and a upcode does all the drawing work.
/// </summary>
/// <param name="bm"></param>
/// <param name="upcode"></param>
internal void DrawImage(System.DrawingCore.Bitmap bm, string upcode)
{
string barPattern = this.GetEncoding(upcode);
Graphics g = null;
g = Graphics.FromImage(bm);
float mag = PixelConversions.GetMagnification(g, bm.Width, bm.Height, OptimalHeight, OptimalWidth);
float barWidth = ModuleWidth * mag;
float barHeight = OptimalHeight * mag;
float fontHeight = FontHeight * mag;
float fontHeightMM = fontHeight / 72.27f * 25.4f;
Font f = null;
try
{
g.PageUnit = System.DrawingCore.GraphicsUnit.Millimeter;
// Fill in the background with white
g.FillRectangle(Brushes.White, 0, 0, bm.Width, bm.Height);
// Draw the bars
int barCount = LeftQuietZoneModules;
foreach (char bar in barPattern)
{
if (bar == '1')
{
float bh = ((barCount > ModulesToManufacturingStart && barCount < ModulesToManufacturingEnd) ||
(barCount > ModulesToProductStart && barCount < ModulesToProductEnd)) ?
barHeight - fontHeightMM : barHeight;
g.FillRectangle(Brushes.Black, barWidth * barCount, 0, barWidth, bh);
}
barCount++;
}
// Draw the human readable portion of the barcode
f = new Font("Arial", fontHeight);
// Draw the left guard text (i.e. 2nd digit of the NumberSystem)
string wc = upcode.Substring(0, 1);
g.DrawString(wc, f, Brushes.Black,
new PointF(barWidth * LeftQuietZoneModules - g.MeasureString(wc, f).Width, barHeight - fontHeightMM));
// Draw the manufacturing digits
wc = upcode.Substring(1, 6);
g.DrawString(wc, f, Brushes.Black,
new PointF(barWidth * ModulesToManufacturingEnd - g.MeasureString(wc, f).Width, barHeight - fontHeightMM));
// Draw the product code + the checksum digit
wc = upcode.Substring(7, 5) + CheckSum(upcode).ToString();
g.DrawString(wc, f, Brushes.Black,
new PointF(barWidth * ModulesToProductEnd - g.MeasureString(wc, f).Width, barHeight - fontHeightMM));
}
finally
{
if (f != null)
{
f.Dispose();
}
if (g != null)
{
g.Dispose();
}
}
}
