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215 lines
6.3 KiB
215 lines
6.3 KiB
Chalk Features
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The following is a comprehensive list of all Chalk's features
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that are or will be implemented for version 1.5.
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* Plugins
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Chalk is extensible through plugins. There are tools, colorspaces,
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paint operations, filters and kpart-based user interface plugins.
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It is intended to make layer types plugins, too.
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* Scriptable
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Chalk is scriptable in Python and Ruby. The scripting is
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compatible with using the PyQt/KDE and Korundum for adding
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GUI items.
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* File
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Import: png, tiff, jpeg, dicom, xcf, psd (up to version 6,
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from version 7 on, the photoshop file format is closed and it
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is impossible to get the spec to implement support in a
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free software application), gif, raw, bmp, xpm, targa, rgb, ico,
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openEXR.
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Export: png, tiff, jpeg, dicom, xcf, psd (up to version 6,
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from version 7 on, the photoshop file format is closed and it
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is impossible to get the spec to implement support in a
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free software application), gif, bmp, xpm, targa, rgb, openEXR.
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Embedded icc profiles and exif information are preserved on
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export to supporting file formats.
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Chalk's native file format stores icc and exif information.
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* Color models
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Chalk uses lcms for a dependable color workflow using icc profiles
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for importing, exporting, selecting paint colors, printing,
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cutting and pasting.
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** 8 bit/channel rgb, cmyk, grayscale, wet watercolors
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** 16 bit/channel rgb, cmyk, grayscale, l*a*b, xyz (xyz may be removed)
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** "half" rgb
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** 32 bit float rgb (HDR), lms
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** Colors can be selected from a color wheel, rgb or grayscale sliders
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or with a palette
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* Editing
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** Unlimited undo and redo
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** Cut, copy and paste with conversion through icc profiles if necessary
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** paste into a new image
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** Viewing
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** Use OpenGL for display when possible
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** View fullscreen
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** Multiple views on one image
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** Rulers
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** zooming
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** show or hide all palette windows in one go
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** palette windows position is kept between sessions
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** When maximized, Chalk is usable on a 1024x768 screen with all
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palettes open.
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** Permanently accurate histogram palette
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** Exposure slider for HDR images
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** Optional "greening-out" of inactive layers to assist with artistic
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workflow.
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** Bird's eyeview of image and zooming (not sure this will be done in time)
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* Images
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** mirror, shear, rotate and scale images
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** change the size of the canvas
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** change the resolution of the image
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** convert images between colorspaces
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** set image properties (name, comments, profile, resolution)
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** Combine layers in different colorspaces. The bottom-most
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layer determines the image colorspace.
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** Separate the channels of an image into grayscale (8 or 16 bits)
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layers or images.
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* Layers
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** Embed KOffice documents as layers into an image
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** Group layers
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** Adjustment layers (not sure whether this'll make it)
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** Lock layers (tools and filters cannot change the layer, but not all
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destructive operations are disabled yet)
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** Make layers invisible
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** Add and remove layers
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** Change the position of layers in the layer stack
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** Mirror, shear, rotate and scale layers
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** Save layer as image
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** Composite layers with supported composite options, like
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over, in, out, atop, xor, plus, minus, add, subtract, diff,
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mult, divide, dodge, burn, bumpmap, copy, copy one channel,
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clear, dissolve, displace, darken, lighten, hue, saturation, value,
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color, colorize, luminize, screen, overlay, erase. (Not all colorspaces
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support all composite operations).
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** Change layer properties like name, position, colorspace
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** Create a drop shadow behind the layer
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** View the histogram of a layer; 16 bits or wider images have zoomable
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histograms
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** Insert screenshot as layer
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* Selections
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** Select by colorrange
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** Feather selection
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** Invert selection
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* Tools
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Throught the innovative paintOp plugin system, all painting tools
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(brush, ellipse, line, etc.) can paint aliased, anti-aliased,
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erase, airbrush and more.
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** paintbrush
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** colorpicker
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** duplicate
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** ellipse
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** anti-aliased bucket fill and selection fill with color, patterns
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or gradients.
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** gradient
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** line
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** layer or selection move
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** canvas pan
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** rectangle
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** text
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** zoom
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** crop
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** paint with filters (to be integrated in the paintop system)
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** polygons
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** polylines
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** stars
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** transform selection/layer
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** select similar colors
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** select by painting
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** select contiguous areas
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** select ellipse
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** deselect by erasing
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** select by painting outline
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** select polygonal
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** select rectangular
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* Filters
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Chalk can multithread the operation of some filters. Chalk's
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filters can be previewed in the filter gallery.
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** Apply previous filter again
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** bumpmap
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** image restoration with cimg
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** brightness/contrast
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** color adjustment per channel
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** autocontrast
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** desaturate
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** gaussian blur
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** sharpen
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** remove mean
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** emboss (laplacian, all directions, horizontal, vertical, horizontal and
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vertical)
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** edge detection (top, right, bottom, left)
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** custom convolution
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** cubism (converts to 8 bit rgba and back)
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** invert
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** reduce noise (simple and with wavelets)
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** oilpaint (converts to 8 bit rgba and back)
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** pixelize (converts to 8 bit rgba and back)
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** raindrops (converts to 8 bit rgba and back)
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** round corners
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** small tiles (converts to 8 bit rgba and back)
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** sobel (converts to 8 bit rgba and back)
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* Paint operations
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Chalk's paint operations are usable with all painting tools.
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PaintOps can support composite options, like
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over, in, out, atop, xor, plus, minus, add, subtract, diff,
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mult, divide, dodge, burn, bumpmap, copy, copy one channel,
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clear, dissolve, displace, darken, lighten, hue, saturation, value,
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color, colorize, luminize, screen, overlay, erase. (Not all colorspaces
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support all composite operations).
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PaintOps can support opacity settings and use the pressure value
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of a tablet. Tilt and rotation is not yet supported.
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** airbrush
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** eraser
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** anti-aliased brush
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** convolve
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** duplicate
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** aliased brush (pen tool)
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** smeary brush (not sure whether this will get finished in time)
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** paint with a tablet stylus. The pressure sensitivity
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characteristics can be set.
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* Brushes
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** gimp brush shapes. Support for colored and grayscale brushes and
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pipe brushes. Support from Gimp parasites in brushes.
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** custom brush shapes
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** text brush shapes
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** brushes created from layers or images. These brushes can be saved
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** colored brushes can also be used as masks
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* Fills
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** gimp-style patterns
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** gimp-style gradients
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** custom gradients |