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修复旋转角度导致的印章错位,印章比例可设置,新增印章加盖功能
1 parent 0bde0f5 commit 7439133

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7 files changed

+251
-9
lines changed

7 files changed

+251
-9
lines changed

‎PDFQFZ/Form1.Designer.cs‎

Lines changed: 117 additions & 1 deletion
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‎PDFQFZ/Form1.cs‎

Lines changed: 120 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -16,6 +16,7 @@ namespace PDFQFZ
1616
{
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public partial class Form1 : Form
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{
19+
int fw, fh;
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System.Reflection.Assembly CurrentDomain_AssemblyResolve(object sender, ResolveEventArgs args)//把DLL打包到EXE需要用到
2021
{
2122
string dllName = args.Name.Contains(",") ? args.Name.Substring(0, args.Name.IndexOf(',')) : args.Name.Replace(".dll", "");
@@ -120,36 +121,117 @@ private bool PDFWatermark(string inputfilepath, string outputfilepath, string Mo
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121122
float height = psize.Height;
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124+
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Bitmap[] nImage = subImages(ModelPicName, numberOfPages);
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pdfStamper = new PdfStamper(pdfReader, new FileStream(outputfilepath, FileMode.Create));//加完印章后的pdf
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PdfContentByte waterMarkContent;
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131+
int zyz = comboBox1.SelectedIndex;//如何加印章
132+
bool all = false;
133+
int index = 0;
134+
if (zyz == 3)
135+
{
136+
all = true;
137+
}else if(zyz == 2)
138+
{
139+
index = 1;
140+
}else if(zyz == 1)
141+
{
142+
index = numberOfPages;
143+
}
144+
129145
//每一页加水印,也可以设置某一页加水印
130-
for (int i = 0; i < numberOfPages; i++)
146+
for (int i = 0; i < numberOfPages;)
131147
{
132148
iTextSharp.text.Image image = iTextSharp.text.Image.GetInstance(nImage[i], ImageFormat.Bmp);
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//image.GrayFill = 20;//透明度，灰色填充
135151
//image.Rotation//旋转
152+
//image.ScaleToFit(140F, 320F);//设置图片的指定大小
136153
//image.RotationDegrees//旋转角度
137-
float bili = 0.24f;//印章图片由72dpi转300dpi
138-
image.ScalePercent(bili * 100);//设置图片比例
154+
int bili;
155+
if(!int.TryParse(textBili.Text, out bili))
156+
{
157+
bili = 24;
158+
}
159+
float result = bili / 100f;//印章图片由72dpi转300dpi
160+
image.ScalePercent(bili);//设置图片比例
139161
image.Transparency = new int[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };//这里透明背景的图片会变黑色,所以设置黑色为透明
162+
163+
i++;//pdf页面是从1开始的,所以这里要+1
164+
int rotation = pdfReader.GetPageRotation(i);//获取指定页面的旋转度
165+
140166
//水印的位置
141-
if (width < height) {
142-
image.SetAbsolutePosition(width - image.Width * bili, (height - image.Height * bili) / 2);
167+
if (rotation == 90 || rotation == 270)
168+
{
169+
image.SetAbsolutePosition(height - image.Width * result, (width - image.Height * result) / 2);
143170
}
144171
else
145172
{
146-
image.SetAbsolutePosition(height - image.Width * bili, (width - image.Height * bili) / 2);
173+
image.SetAbsolutePosition(width - image.Width * result, (height - image.Height * result) / 2);
147174
}
175+
//switch (rotation)
176+
//{
177+
// case 90:
178+
// image.SetAbsolutePosition(height - image.Width * bili, (width - image.Height * bili) / 2);
179+
// break;
180+
// case 180:
181+
// image.SetAbsolutePosition(width - image.Width * bili, (height - image.Height * bili) / 2);
182+
// break;
183+
// case 270:
184+
// image.SetAbsolutePosition(height - image.Width * bili, (width - image.Height * bili) / 2);
185+
// break;
186+
// default:
187+
// image.SetAbsolutePosition(width - image.Width * bili, (height - image.Height * bili) / 2);
188+
// break;
189+
//}
148190

149-
waterMarkContent = pdfStamper.GetOverContent(i+1);
191+
waterMarkContent = pdfStamper.GetOverContent(i);
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151193
waterMarkContent.AddImage(image);
152-
194+
195+
if (all || i == index)//如果是最后一页加入指定的图片
196+
{
197+
//创建一个图片对象
198+
iTextSharp.text.Image img = iTextSharp.text.Image.GetInstance(ModelPicName);
199+
200+
//按比例缩放
201+
img.ScalePercent(bili);
202+
203+
//把图片增加到内容页的指定位子 b width c height e bottom f left
204+
//waterMarkContent.AddImage(img,0,100f,100f,0,10f,20f);
205+
206+
float wbl = Convert.ToSingle(textPx.Text);//这里根据比例来定位
207+
float hbl = 1-Convert.ToSingle(textPy.Text);//这里根据比例来定位
208+
if (rotation == 90 || rotation == 270)
209+
{
210+
img.SetAbsolutePosition((height - img.Width * result) * wbl, (width - img.Height * result) * hbl);
211+
}
212+
else
213+
{
214+
img.SetAbsolutePosition((width - img.Width * result) * wbl, (height - img.Height * result) * hbl);
215+
}
216+
waterMarkContent.AddImage(img);
217+
218+
////开始增加文本
219+
//waterMarkContent.BeginText();
220+
221+
//BaseFont bf = BaseFont.CreateFont(BaseFont.HELVETICA_OBLIQUE, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
222+
////设置字体 大小
223+
//waterMarkContent.SetFontAndSize(bf, 9);
224+
225+
////指定添加文字的绝对位置
226+
//waterMarkContent.SetTextMatrix(imgLeft, 200);
227+
////增加文本
228+
//waterMarkContent.ShowText("GW INDUSTRIAL LTD");
229+
230+
////结束
231+
//waterMarkContent.EndText();
232+
233+
}
234+
153235

154236
}
155237
//strMsg = "success";
@@ -211,5 +293,35 @@ private void clear_Click(object sender, EventArgs e)
211293
textGZpath.Text = "";
212294
log.Text = "";
213295
}
296+
297+
private void Form1_Load(object sender, EventArgs e)
298+
{
299+
comboBox1.SelectedIndex = 0;
300+
fw = this.Width;
301+
fh = this.Height;
302+
}
303+
304+
private void pictureBox1_Click(object sender, EventArgs e)
305+
{
306+
Point pt = pictureBox1.PointToClient(Control.MousePosition);
307+
float picw = pictureBox1.Width;
308+
float pich = pictureBox1.Height;
309+
float px = pt.X / picw;
310+
float py = pt.Y / pich;
311+
textPx.Text = px.ToString("#0.0000");
312+
textPy.Text = py.ToString("#0.0000");
313+
}
314+
315+
private void comboBox1_SelectionChangeCommitted(object sender, EventArgs e)
316+
{
317+
if (comboBox1.SelectedIndex != 0)
318+
{
319+
this.Size = new Size(fw+200, fh);
320+
}
321+
else
322+
{
323+
this.Size = new Size(fw, fh);
324+
}
325+
}
214326
}
215327
}

‎PDFQFZ/PDFQFZ.csproj‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -93,6 +93,7 @@
9393
</ItemGroup>
9494
<ItemGroup>
9595
<Content Include="logo.ico" />
96+
<None Include="Resources\ylt.jpg" />
9697
<None Include="Resources\itextsharp.dll" />
9798
</ItemGroup>
9899
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />

‎PDFQFZ/Properties/Resources.Designer.cs‎

Lines changed: 10 additions & 0 deletions
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‎PDFQFZ/Properties/Resources.resx‎

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -121,4 +121,7 @@
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<data name="itextsharp" type="System.Resources.ResXFileRef, System.Windows.Forms">
122122
<value>..\Resources\itextsharp.dll;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
123123
</data>
124+
<data name="ylt" type="System.Resources.ResXFileRef, System.Windows.Forms">
125+
<value>..\Resources\ylt.jpg;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
126+
</data>
124127
</root>

‎PDFQFZ/Resources/ylt.jpg‎

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‎pdfqfz.jpg‎

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