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POHow to create a bmp file from byte[] in C#
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  1. POHow to create a bmp file from byte[] in C#
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    copied!<p>I have a byte[] array received in TCP Client.The array contains a 24-bit RGB Bitmap file.How to create that bitmap file with given Width ,Height and data?</p> <p>In C++ I use this</p> <pre><code>int WriteBitmapFile(const char *filename, int width, int height, unsigned char *imageData) { FILE *filePtr; // file pointer BITMAPFILEHEADER bitmapFileHeader; // bitmap file header BITMAPINFOHEADER bitmapInfoHeader; // bitmap info header DWORD imageIdx; // used for swapping RGB-&gt;BGR unsigned char tempRGB; // used for swapping // open file for writing binary mode filePtr = fopen(filename, "wb"); if (!filePtr) return 0; // define the bitmap file header bitmapFileHeader.bfSize = sizeof(BITMAPFILEHEADER); bitmapFileHeader.bfType = 0x4D42; bitmapFileHeader.bfReserved1 = 0; bitmapFileHeader.bfReserved2 = 0; bitmapFileHeader.bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER); // define the bitmap information header bitmapInfoHeader.biSize = sizeof(BITMAPINFOHEADER); bitmapInfoHeader.biPlanes = 1; bitmapInfoHeader.biBitCount = 32; // 24-bit bitmapInfoHeader.biCompression = BI_RGB; // no compression bitmapInfoHeader.biSizeImage = width * abs(height) * 4; // width * height * (RGB bytes) bitmapInfoHeader.biXPelsPerMeter = 0; bitmapInfoHeader.biYPelsPerMeter = 0; bitmapInfoHeader.biClrUsed = 0; bitmapInfoHeader.biClrImportant = 0; bitmapInfoHeader.biWidth = width; // bitmap width bitmapInfoHeader.biHeight = height; // bitmap height // switch the image data from RGB to BGR for(imageIdx = 0; imageIdx &lt; bitmapInfoHeader.biSizeImage; imageIdx+=4) { tempRGB = imageData[imageIdx]; imageData[imageIdx] = imageData[imageIdx + 2]; imageData[imageIdx + 2] = tempRGB; } // write the bitmap file header fwrite(&amp;bitmapFileHeader, 1, sizeof(BITMAPFILEHEADER), filePtr); // write the bitmap info header fwrite(&amp;bitmapInfoHeader, 1, sizeof(BITMAPINFOHEADER), filePtr); // write the image data fwrite(imageData, 1, bitmapInfoHeader.biSizeImage, filePtr); // close our file fclose(filePtr); // Success return 1; } </code></pre> <p>How could I do that in C#?</p>
 

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