--- title: "Bitmap" canonical: https://www.graphicsmill.com/samples/tags/bitmap product: "Graphics Mill" --- # Bitmap Working with images via the Bitmap API - [Browse all samples]() ## Samples - [Add Alpha Channel](): Adds an elliptical alpha channel to an image. - [Adjust HSL](): Adjusts the hue, saturation, and lightness of an image. - [Apply LUT](): Applies a look-up table (LUT) correction to an image. - [Artistic Frame](): Create an artistic photo frame composition with multiple images and effects. - [Assign a color profile to a bitmap](): Replaces the embedded color profile of an image with a new one. - [Auto Brightness](): Automatically adjusts the brightness of an image. - [Auto Contrast](): Automatically adjusts the contrast of an image. - [Autorotate](): Rotates an image automatically using EXIF orientation metadata. - [Bezier Transform](): Applies a Bezier transformation to an image using control points. - [Brightness](): Adjusts the brightness of an image. - [Brightness Contrast](): Adjusts the brightness and contrast of an image. - [Channel Balance](): Adjusts the balance of color channels in an image. - [Combine shapes with boolean path operations](): Combines a circle and a square with union, intersection, subtraction, and exclusive or. - [Contrast](): Adjusts the contrast of an image. - [Convert a dashed stroke into filled shapes](): Converts a dashed stroke with round caps into closed outlines with Path.Widen and measures their area. - [Convert CMYK to RGB](): Converts a CMYK image to RGB using color management. - [Convert colors using LittleCMS](): Convert an image's color space using LittleCMS. - [Convert From WPF](): Convert a WPF BitmapFrame to a GraphicsMill Bitmap. - [Convert To Indexed](): Converts an RGB image to an 8-bit indexed format with dithering and a custom palette. - [Convert To WPF](): Convert a GraphicsMill Bitmap to a WPF BitmapSource. - [Copy Clipping Path](): Copies all Adobe resources, including clipping paths, to a new JPEG. - [Crop](): Crops an image to a specified rectangular region. - [Desaturate](): Converts an image to grayscale by removing color. - [Draw Path](): Draw vector shapes and styled text using a custom path. - [Draw With Clipping Path](): Draw an image within an elliptical clipping path. - [Flip](): Flips an image vertically or horizontally. - [Get embedded profile](): Displays information about the embedded color profile in an image. - [Hash From Bitmap](): Compute an MD5 hash from bitmap pixel data using unsafe scanline access. - [Levels](): Adjusts image levels using custom input and output values. - [Matrix Transform](): Apply matrix transformations to graphics for drawing shapes and text. - [Maximum](): Applies the Maximum filter to an image. - [Median](): Applies the Median filter to an image. - [Minimum](): Applies the Minimum filter to an image. - [Modify Clipping Path Explicitly](): Crops an image and updates its clipping path explicitly. - [Overlay an Image onto Another Image](): Overlay a watermark image onto another image using advanced graphics. - [Preserve Color Profile And Metadata (System.Drawing Interop)](): Convert between GraphicsMill and System.Drawing bitmaps while preserving metadata and color profile. - [Preview RGB To CMYK On Screen](): Simulates CMYK color conversion and previews the result as it would appear on screen. - [Process Non-RGB (System.Drawing Interop)](): Process non-RGB images for System.Drawing interop, preserving color and metadata. - [Rasterize a PDF page two ways: quick vs. full control](): Compares PdfFrame.GetBitmap, a quick RGB24 preview, against GraphicsContainerRasterizer, which allows any pixel format and resolution. - [Read and Write JPEG](): Reads a JPEG image, flips it vertically, and saves it as a new JPEG with high-quality settings. - [Read TIFF](): Reads the first frame of a TIFF image and saves it as a JPEG file. - [Remove a plain background around a logo](): Makes the background around a logo transparent while keeping enclosed areas of the same colour opaque. - [Remove Alpha Channel](): Removes the alpha channel and replaces it with a solid color. - [Remove Green Screen](): Removes a green screen background from an image. - [Resize](): Resizes an image while maintaining its aspect ratio. - [Resize Sharp](): Resizes an image while preserving sharpness, similar to Photoshop's Bicubic Sharper. - [Rgb To Cmyk color space conversion](): Converts an RGB image to CMYK with color management using the object-based API. - [Rotate](): Rotates an image by 90, 180, or 270 degrees. - [Rotate Arbitrary](): Rotates an image by any angle with a specified background color. - [Simple Conversion (System.Drawing Interop)](): Convert between GraphicsMill and System.Drawing bitmaps for RGB images. - [Swap Channels](): Swaps color channels of an image, such as blue and green. - [Tint Using Alpha](): Applies a tint to an image using the alpha channel. - [Transparentize](): Makes a specific color in the image transparent. - [Visualize Clipping Path](): Shows how to visualize and draw clipping paths on images for demonstration. - [Write bitmap to EPS](): Loads a JPEG image and saves it directly as an EPS file. - [Write Extra Channel](): Adds an extra alpha channel to a TIFF image using a grayscale bitmap. - [Write TIFF](): Convert a JPEG image to TIFF format with JPEG compression.