add watermark text to pdf using itextsharp c#

Add Watermark to PDFs using iTextSharp – An eye for change….
16 Apr 2015 ... Add Watermark to PDFs using iTextSharp . This tutorial focuses on how ... This method adds watermark text under pdf content /// </summary>

At this point a potentially valid packet bitstream is on its way in, so the program keeps loading it up if( bValidBit == WSR_BIT_ZERO ) { bICP_WSR_PacketData[bICP_WSR_PacketInputPointer][bICP_WSR_PacketInputBitPointer >> 3] &= ~(0x80 >> (bICP_WSR_PacketInputBitPointer&0x07)); } else { bICP_WSR_PacketData[bICP_WSR_PacketInputPointer][bICP_WSR_PacketInputBitPointer >> 3] |= (0x80 >> (bICP_WSR_PacketInputBitPointer&0x07)); } At a fixed location of the incoming bitstream a further check is made to see if the first five bits are the expected 00001, and a test for an occasionally missed first 0 bit is made and corrected for The sketch checks the location of the incoming bitstream to see if it is valid, and throws it away if not if( bICP_WSR_PacketInputBitPointer == (WSR_TIMESTAMP_BIT_OFFSET + 4) ) { b = bICP_WSR_PacketData[bICP_WSR_PacketInputPointer][4]; b &= B11111000; An acceptable start to the packet is 00001, but sometimes the sketch will see 00010 if the receiver module missed the first 0.

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c# add watermark to existing pdf file using itextsharp

How To Add Watermark On PDF Files - C# Corner
23 Sep 2015 ... Step 2: Get the first page of the PDF . Step 3: Load the image from file and set it as the PDF background. Step 4: Save the document to file. Figure 1: Watermark . Part 2: Add Text Watermark . Step 1: Create a new instance of PDF document and load the document from file. Step 2: Get the first page of the PDF .

add watermark to pdf c#

How To Add Watermark On PDF Files - C# Corner
23 Sep 2015 ... Image watermark is a good choice to beautify PDF files since it fills the background with colorful and distinctive pictures, then how to add a ...

One important distinction is that these built-in checks provide compile-time support only. This means they will only work with types that can be fully resolved at compile time. You can t pass an instance of an object at runtime to one of these routines.

First, it checks for a missed bit condition by looking for a packet start of 00010, and if it s a match, the sketch realigns the byte and continues up one position past the inserted missing bit if( b == B00010000 ) { bICP_WSR_PacketData[bICP_WSR_PacketInputPointer][4/*bICP_WSR_PacketInputBitPointer >> 3*/] = B00001000; bICP_WSR_PacketInputBitPointer++; The only other acceptable alternative is a clean start to the packet of 00001, so if the header didn t match either case it must be invalid and the sketch resets the state machine for another try } else if( b != B00001000 ) { WSR_RESET(); } } As a final check the sketch tests whether the last packet bit (52 bits in total) has arrived If it has a complete set of 52 sequential bits, it marks this packet as done and moves the major packet input pointer along.

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Watermark pdf in C# - asp.net tips and tricks
14 Jan 2017 ... Steps for creating Pdf watermarked. creating new project window application; download itextsharp from Here; add reference of itextSharp .dll to ...

add watermark to pdf c#

How to add watermark to pdf document ( c# sample) - Apitron
Watermark is usually a semitransparent drawing added on top of the page content which can be created using various ways. This type of marking your ...

The _MANAGED macro and the compile-time support for type traits obviously have limited use. You won t need to use them to develop most types of applications. However, if you are developing a set of class libraries that you want to share between managed and unmanaged code, they may be useful. In the example code that follows, we implement code that conditionally compiles based on the presence or absence of the /clr option. While this is a manufactured example, it does demonstrate the possibilities that are available to us. We start by writing this code: namespace MixedSharedLib { class CSharedUtility { public: //conditionally compiled code based on the presence //or absence of the /clr compiler option #ifdef _MANAGED static int GetStringLength(String^ stringToCheck) { return stringToCheck->Length; } #else static int GetStringLength(wchar_t* stringToCheck) { return (int)wcslen(stringToCheck); } #endif }; } To make this code easier to test, we place it into a header file named SharedUtility.h. This allows us to include this header in both unmanaged and mixed C++ projects. The code implements a method that returns the length of a string. The method is implemented differently for the managed and unmanaged environments. Only one implementation will be compiled in any given project, depending on the setting of the /clr compiler option.

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if( bICP_WSR_PacketInputBitPointer == (WSR_TIMESTAMP_BIT_OFFSET + (WSR_RFPACKETBITSIZE-1)) ) { Since it received a full valid packet, the sketch timestamps it for the main loop bICP_WSR_PacketData[bICP_WSR_PacketInputPointer][0] = byte(ulICP_Timestamp_262_144mS >> 24); bICP_WSR_PacketData[bICP_WSR_PacketInputPointer][1] = byte(ulICP_Timestamp_262_144mS >> 16); bICP_WSR_PacketData[bICP_WSR_PacketInputPointer][2] = byte(ulICP_Timestamp_262_144mS >> 8);.