http://www.imagemagick.org/
ImageMagick® is a software suite to create, edit, and compose bitmap images.Features and Capabilities
- Format conversion: convert an image from one format to another (e.g. PNG to JPEG).
- Transform: resize, rotate, crop, flip or trim an image.
- Transparency: render portions of an image invisible.
- Draw: add shapes or text to an image.
- Decorate: add a border or frame to an image.
- Special effects: blur, sharpen, threshold, or tint an image.
- Animation: create a GIF animation sequence from a group of images.
- Text & comments: insert descriptive or artistic text in an image.
- Image identification: describe the format and properties of an image.
- Composite: overlap one image over another.
- Montage: juxtapose image thumbnails on an image canvas.
- Motion picture support: read and write the common image formats used in digital film work.
- Image calculator: apply a mathematical expression to an image or image channels.
- Discrete Fourier transform: implements the forward and inverse DFT.
- High dynamic-range images: accurately represent the wide range of intensity levels found in real scenes ranging from the brightest direct sunlight to the deepest darkest shadows.
- Encipher or decipher an image: convert ordinary images into unintelligible gibberish and back again.
- Virtual pixel support: convenient access to pixels outside the image region.
- Large image support: read, process, or write mega-, giga-, or tera-pixel image sizes.
- Threads of execution support: ImageMagick is thread safe and most internal algorithms are OpenMP-enabled to take advantage of speed-ups offered by the dual and quad-core processor technologies.
- Heterogeneous distributed processing: certain algorithms are OpenCL-enabled to take advantage of speed-ups offered by executing in concert across heterogeneous platforms consisting of CPUs, GPUs, and other processors.
以上内容摘自官网。
总之是个对CLI和API方式使用很有用的图像工具。
常用于图像格式转换和流水化的图像处理。
用法示例见 http://www.imagemagick.org/Usage/
Win下可以找Binary Releases使用。
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