What Is This Tool?
This resource provides free sample XBM files, which are monochrome bitmap images stored as ASCII C source code. These samples help developers embed or work with small bitmap graphics in applications that use XBM format.
How to Use This Tool?
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Download XBM sample files for use in testing and development
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Include XBM files directly into your C source code for X11 applications
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Edit samples easily using any text editor since files are ASCII-based
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Employ sample files to convert legacy bitmaps or test rendering utilities
Key Features
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Plain-text C source format storing raw 1-bit monochrome bitmaps
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Human-readable ASCII hex byte arrays with defined width and height
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Compatible with legacy Unix and X Window System utilities
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Suitable for embedding icons, cursors, and bitmaps directly in source code
Examples
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Embedding a small monochrome cursor bitmap into embedded system firmware
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Providing simple bitmap graphics to Unix tools that require XBM input
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Converting legacy X11 bitmap icons into modern raster images using sample XBM files
Common Use Cases
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Embedding tiny monochrome icons or cursors in C source code
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Supplying graphic assets for Unix/X Window System applications
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Using text-based bitmaps in embedded systems or firmware projects
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Migrating old X11 bitmaps into newer image formats
Tips & Best Practices
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Use sample XBM files to verify compatibility with legacy toolkits
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Edit XBM files with text editors to customize monochrome images
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Keep image size small to optimize memory use in embedded environments
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Be mindful of possible orientation differences due to bit order conventions
Limitations
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Supports only 1-bit monochrome images without grayscale or color
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Files can be larger and less efficient than binary or compressed formats
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Limited metadata with only width and height defined
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Possible orientation issues from byte and bit order conventions
Frequently Asked Questions
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What is the XBM file format?
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XBM is a plain-text C source format used to store 1-bit monochrome bitmap images with pixels encoded as hexadecimal byte arrays.
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Can XBM files store color or grayscale images?
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No, XBM files support only 1-bit monochrome images without any grayscale or color data.
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Why would I use XBM files in my project?
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XBM files are useful for embedding simple monochrome icons or bitmaps directly into C source code, especially for Unix or X Window System applications.
Key Terminology
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XBM
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A plain-text C source format for 1-bit monochrome bitmaps used primarily by the X Window System.
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Monochrome Bitmap
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An image made up of pixels that are only black or white, using one bit per pixel.
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ASCII C Source Format
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A text-based coding format where image data is represented as hexadecimal byte arrays within C language syntax.