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pdf to BMP converter PDF to Image Converter - PDF to BMP
PDF to BMP Conversion - Convert PDF file to BMP files (pdf2BMP, pdftoBMP)

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BMP format, BMP is a standard format used by Windows to store device-independent and application-independent images. The number of bits per pixel (1, 4, 8, 15, 24, 32, or 64) for a given BMP file is specified in a file header. BMP files with 24 bits per pixel are common.

The BMP File Format, also known as Bitmap Image File or Device Independent Bitmap (DIB) file format or simply a Bitmap, is a Raster graphics image file format used to store bitmap digital images, independently of the display device (such as a graphics adapter), especially on Microsoft Windows and OS/2 operating systems.
The BMP File Format is capable of storing 2D digital images of arbitrary width, height, and resolution, both monochrome and color, in various color depths, and optionally with data compression, alpha channels, and color profiles.

PDF To BMP Converter is an application program based on Windows platform, which can directly convert PDF files to dozens of image formats, such as TIF, TIFF, JPG, GIF, PNG, BMP, BMP, PCX, TGA and so on, it does support whole PDF file to image file conversion, include text, line, arc, ellipse, Bezier, color, image, form and other type elements.

BMP files are an historic (but still commonly used) file format for the historic (but still commonly used) operating system called "Windows". BMP images can range from black and white (1 bit per pixel) up to 24 bit colour (16.7 million colours). While the images can be compressed, this is rarely used in practice and won't be discussed in detail here.

A BMP file consists of either 3 or 4 parts as shown in the diagram on the right. The first part is a header, this is followed by a information section, if the image is indexed colour then the palette follows, and last of all is the pixel data. The position of the image data with respect to the sart of the file is contained in the header. Information such as the image width and height, the type of compression, the number of colours is contained in the information header.

The header consists of the following fields. Note that we are assuming short int of 2 bytes, int of 4 bytes, and long int of 8 bytes. Further we are assuming byte ordering as for typical (Intel) machines. The header is 14 bytes in length.

typedef struct {
unsigned short int type; /* Magic identifier */
unsigned int size; /* File size in bytes */
unsigned short int reserved1, reserved2;
unsigned int offset; /* Offset to image data, bytes */
The useful fields in this structure are the type field (should be 'BM') which is a simple check that this is likely to be a legitimate BMP file, and the offset field which gives the number of bytes before the actual pixel data (this is relative to the start of the file). Note that this struct is not a multiple of 4 bytes for those machines/compilers that might assume this, these machines will generally pad this struct by 2 bytes to 16 which will unalign the future fread() calls - be warned.

PDF to BMP Converter Features:
Supports dozens of image formats;
PDF to BMP is convenient and easy to operate, and pdf files can be added into file list and converted fast;
The Converter supports Password Protected PDF file conversion;
PDF to BMP can specify any resolution in the generated Image files;
PDF to BMP is a standalone software, Adobe Acrobat and Reader NOT required!
PDF to BMP Converter supports batch conversion;
Supports produce multipage TIFF files;
Supports intelligent processing of large size of image files;
PDF to BMP Converter supports conversion into 1, 4, 8 or 24-bit format;
Supports for PACKBITS, CCITT FAX4, LZW, JPEG compression of TIFF images;
PDF to BMP Converter can be launched from command line, from batch file or another application;
Supports all version of PDF formats.

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