Appendix C - The NEWS file from mtPaint


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mtPaint NEWS
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Here is a summary of the main changes in this release (see handbook for full details):

3.50 2020-12-31
* Dutch translation updated by Pjotr
* French translation updated by Victor Copovi
* German translation updated by Simon Brixel
* Russian translation updated
* GTK+3 support - "./configure gtk3"
* Scripting added - "Image->Script" to enter or run a script : See handbook chapter 10 for details
* Commandline mode added - use "mtpaint --cmd" to run a script without GUI
* Keyboard shortcuts can now be reconfigured - "Help->Keyboard shortcuts"
* New keyboard shortcut Ctrl+H added for Channels->Hide image
* Keyboard shortcuts now can be assigned for choosing previous/next pattern, and larger/smaller brush size
* Optional gamma correction for painting and masking (Preferences->General->Use gamma correction when painting)
* Rendering now uses multiple threads to utilize all available CPU cores
* Text tools now allow selection of DPI value, letter-spacing, and alignment for multiline text
* Distance function for shapeburst gradients is now selectable : "Distance type"
* Composite images now can have alpha transparency, when background is non-opaque
* Background layer now can use transparency like any other layer
* Background layer position now can be changed via Ctrl+arrows or layers window spinbuttons, like any other layer
* Patterns for colours A and B can now be chosen separately (Preferences->General->Separate patterns for A&B)
* Builtin Bayer patterns now can be redefined : See handbook section A.6.1 for details
* Threshold effect with interactive preview added (see handbook section 6.6.7)
* Normalize effect added
* Map effect added: map image's value/red/green/blue to gradient/palette/clipboard
* Solid Noise effect with interactive preview added (Perlin noise generation)
* Colour transform and source selection added to blend mode options
* Threshold blend mode added
* "Saturate more" blend mode redefined to not ignore source (previous behaviour available with "Image" source selected)
* Horizontal and vertical ramps now respect drawing modes, opacity and masking
* Lasso tool can be configured to shrink selection based on the selection channel - right click the tool icon
* Clone tool is now continuous
* Clone tool can be configured to work in unaligned mode - right click the tool icon
* Ctrl+Left click now positions clone source when using clone tool
* Ctrl+Right click now deletes last point when making polygonal selection (from a closed polygon, deletes the point nearest to cursor)
* Shift and Shift+Ctrl now constrain selection box width/height when resizing it by clicking and dragging
* Arrow keys can now be used for scrolling (Preferences->Interface->Arrow keys scroll canvas)
* Zooming now can use mouse cursor position as its fixed point (Preferences->Interface->Zoom on cursor position)
* Scroll wheel zoom now works for view window too
* Zoom is now up to 8000%
* "Hide image" and "View alpha as an overlay" can now be toggled separately for each layer (Preferences->General->Enable overlays by layer)
* Colours A and B now highlighted in palette window
* File actions can now enable and use an extended set of variable substitutions (see handbook section A.7)
* New image format PMM (Portable MultiMap) added for interoperable storage and exchange of images : See handbook section A.2.4 for details
* WebP file format save/load added
* LBM file format (ILBM/PBM) save/load added
* XPM files with 65-92 colours are now saved with smaller size
* XPM files with up to 16M colours can now be saved and loaded as RGB images
* ICC colour profiles embedded in BMP images now can be applied on load
* OS/2 BMP files now load properly
* Raw RGB palette files (6-bit PAL and 8-bit ACT) can now be loaded/saved via the Palette menu
* TIFF compression made configurable
* Dimensions can now be specified when loading SVG files
* SVG files now can be loaded through 'rsvg-convert', in absence of GTK+2 librsvg plugin
* Animation frames now can be saved in any suitable supported file format
* Animation cycles can now specify sequence steps as containing several layers, or none : See handbook section 9.3.3 for details
* Passing a list of files on command line is now possible using --flist option
* Filenames passed on command line can now be sorted alphabetically with --sort option
* Image loading and new image creation are now undoable by default
* Committing paste when changing tool is now enabled by default
* Saving an image now commits paste if auto commit mode is enabled
* "Scale canvas" and "Resize canvas" now remember their aspect ratio toggle setting
* The Free Rotate window now remembers the previous rotation angle in that mtPaint session
* Dock area state is now remembered across sessions (unless opened automatically, for multiple files on command line)
* Unmaximized window position and size are now remembered across sessions
* Alpha values for colours A & B are now displayed on settings toolbar when editing image with alpha in coupled alpha mode
* Drawing and fill operations on RGB images with colour protection mask now are up to 20 times faster
* Undo system now uses a bit less memory
* Initial undo memory size is now 1/4 of available memory
* Support for compiling with giflib 5, libpng 1.6, libjpeg 9, OpenJPEG 2.3 added
* Compilation now works using gcc-5.5 or clang and GTK+1
* Compilation now works using gcc-10 or clang-11
* BUGFIX - Compilation without JPEG and TIFF support now works again
* BUGFIX - FreeType text tool now skips directory loops when scanning font directories
* BUGFIX - Geometry info on the status bar now correctly updates after arrow keys or Escape key
* BUGFIX - Gradient button no longer fails to show current gradient mode after showing settings toolbar
* BUGFIX - Preview of Transform Colour no longer ignores area within paste marquee
* BUGFIX - Ctrl+left/right/double click now set both colour and alpha from canvas in coupled alpha mode, as they should
* BUGFIX - New image creation from system clipboard now respects "Undoable" toggle
* BUGFIX - "Fix aspect ratio" now doesn't sometimes adjust both dimensions
* BUGFIX - Problem with layers list in inactive dock tab sometimes not updating is now eliminated
* BUGFIX - All keyboard shortcuts now work in Image View mode, as they should
* BUGFIX - Transparent colour in composite images now works again
* BUGFIX - Flood fill with shapeburst gradient now works again
* BUGFIX - Flood fill with pattern now works when starting on colour A
* BUGFIX - Saving LSS16 images no longer produces broken files in certain rare cases
* BUGFIX - Trying to load a broken LSS16 file (truncated to header or less) no longer causes crash
* BUGFIX - Loading certain broken BMP files no longer causes crash
* BUGFIX - JPEG and PNG files damaged beyond all hope now properly fail to load (instead of just a library error and 0x0 image)
* BUGFIX - PAM files with type BLACKANDWHITE are no longer loaded as grayscale (except if written as grayscale - ImageMagick does that)
* BUGFIX - Loading PAM files with unknown TUPLTYPE doesn't cause crash
* BUGFIX - SVG files starting with "<!DOCTYPE" no longer fail to load
* BUGFIX - XPM loader now ignores newlines or lack thereof outside quoted strings, as it should
* BUGFIX - No more misplaced colours when saving some XPM files with 257-4096 colours
* BUGFIX - Two-colour images with darker colour 0 now do not come out inverted when saved as black and white
* BUGFIX - Animation cycling now doesn't skip over the last frame of a GIF loaded into layers
* BUGFIX - Background layer is now made large enough to accommodate all frames when loading animation into layers
* BUGFIX - Animation cycles are now properly updated when layers are reordered, duplicated or deleted
* BUGFIX - Command line switches beyond the first one are now parsed properly
* BUGFIX - Filenames with '$' or '%' in them now work properly in file actions
* BUGFIX - Listing a directory containing files with broken date/time in builtin file selector on Windows doesn't cause crash
* BUGFIX - Rare problem of undo system ignoring a changed pixel is now eliminated
* BUGFIX - Polygonal selections no longer skip some contour pixels in certain situations
* BUGFIX - Canvas window now doesn't lose mouse button press event if dock window has focus
* BUGFIX - Tool perimeter now doesn't sometimes disappear when you draw after visiting another window (such as Layers)
* BUGFIX - Problem with command line window wrongly reacting to mouse in some cases is now eliminated
* BUGFIX - XPM icons now do not in some cases fail to display in compositing WMs
* BUGFIX - Escape and Enter keys now work properly in all dialogs in GTK+1
* BUGFIX - Dropping colours to palette in builtin colour selector now works properly in GTK+1

3.40 2011-12-30

* Tagalog translation added by Anjelo delCarmen
* Hungarian translation added by Ur Balazs
* Czech translation updated by Roman Hornik
* German translation updated by B. Clausius
* Italian translation updated by Angelo Gemmi
* Japanese translation updated by Norihiro YONEDA
* Swedish translation updated by Daniel Eriksson
* Spanish translation updated by Adolfo Jayme
* Brazilian Portuguese translation updated by Valter Nazianzeno
* Chinese (Simplified) translation updated by Cecc
* Russian translation updated
* Eliminated flicker when positioning line, polygon side, or gradient in Windows version
* Scrolling made more smooth in Windows version
* Dock area now holds settings toolbar and layers dialog when their windows are closed
* Main toolbar and tools toolbar now rearrange themselves to fit in window
* Preferences window now has scrollbars when screen is too small to display it whole
* The preview button on the colour selectors is now a toggle to enable interactive previews
* Line tool now displays geometry info on the status bar
* Gaussian blur effect now faster by 20-35%
* Image scaling now faster by 10-35%
* "Protect details" toggle added to Kuwahara-Nagao blur
* Image scaling, Gaussian blur, Unsharp mask and Difference of Gaussians effects now use multithreading to utilize all available CPU cores
* Moving the pointer with the arrow keys now scrolls the canvas when moving beyond the viewport
* Dragging selection frame in canvas window, layer in view window, or colour in palette window, beyond the viewport now scrolls the window
* "View->Snap To Tile Grid" restricts the positions of tools to tile grid points - B key toggles on/off
* sRGB colour scale generation added to palette editor
* sRGB gradients added
* Line tool now uses stroke gradient when no gradient placement exists
* "Palette->Pick Gradient" approximates an A->B gradient using colours from current palette (see handbook section 3.3.9)
* New palette sort mode added - Brightness
* "Image->Segment" added : See handbook section 6.10 for details
* Colour chooser popup added - press 'E' to open
* Posterize function in Transform Colour window now has 3 types - Bitwise, Truncated, Rounded
* Toggle to transform RGB clipboard image added to Transform Colour window
* The Convert To Indexed window now remembers the previous settings in that mtPaint session
* Text pasting tools now support multiline text (use Ctrl+Enter to insert line breaks)
* "~/.fonts" directory added to default font paths for FreeType text tool on Linux
* Animated GIF and multipage TIFF files now can be loaded into layers (one frame/page per layer)
* GIF animation file exploding is now done internally in mtPaint, not Gifsicle
* "Explode Frames" can now save frames in any suitable supported file format
* File actions can now specify file format conversion : See handbook section A.7 for details
* Netpbm file formats (PBM/PGM/PPM/PAM) save/load added
* PCX file format save/load added
* SVG file format import added (using librsvg; requires GTK+ 2.4 or later)
* Better support for loading CMYK TIFF files as RGB/RGBA
* ICC colour profiles embedded in PNG, JPEG and TIFF images now can be applied on load (using LittleCMS)
* JPEG2000 file format support now can be compiled with either JasPer or OpenJPEG library
* GIF loader made more tolerant to truncated or malformed GIF files
* PNG and TGA loaders now convert palette-based alpha into an alpha channel
* "Palette->Open" now can extract palette from indexed images in any supported file format
* "Scale Canvas" now has 3 boundary extension modes - Mirror, Tile, Void
* Filename and modified status now part of undo system
* Transparent colour now part of undo system
* Palette sorting, dragging a colour, or removing duplicate colours now do not lose transparent colour
* New keyboard shortcuts added - J for lasso tool, D for line tool, F for flood fill tool
* Toolbar and menu icons are now themeable (Preferences->Paths->Default Theme)
* Command line globbing now possible using -w option, e.g. mtpaint -w "*.jpg"
* Loading default settings from /etc/mtpaint/mtpaintrc is now supported in Windows version
* Name and location of user settings file is now configurable : See handbook section A.6.4 for details
* "Smart grid" and gamma correction are now enabled by default
* "Selective error propagation" for dithering is now at 85% by default
* Drawing and fill tools now are 2-3 times faster
* Support for compiling with libpng 1.4, libjpeg 8a, and zlib 1.2.5 added
* Configure script rewritten, now understands standard variables and options for installation paths and (cross-)compilation settings
* Minimum required GTK+2 version now can be specified as configure option (e.g., "./configure gtk2.8")
* Workaround for bug in GTK+ versions 2.14.0 - 2.14.2, 2.16.0, 2.16.1 added (spin buttons had wrong max values)
* Workaround for unknown problem in GTK+ version 2.24.4 added (program locked up when trying to save a file when layers list is active)
* BUGFIX - Problems with editing large images at high zoom levels are now eliminated
* BUGFIX - Titlebar now displays new image's filename after loading layers file, as it should
* BUGFIX - Layers list now correctly displays selected layer after loading layers file
* BUGFIX - Layers window now correctly displays transparent colour after it has been modified elsewhere
* BUGFIX - Other layers shown on canvas are now redrawn properly when current layer is moved
* BUGFIX - Loading TIFF files with X or Y mirroring doesn't cause crash
* BUGFIX - Planar TIFF files with alpha now load properly
* BUGFIX - Transparency in indexed TGA files is now read properly
* BUGFIX - Failed operations now do not flag image as modified
* BUGFIX - Gradient colours are now properly updated after converting indexed image to RGB
* BUGFIX - Cut operation in gradient mode when no placement exists now draws shapeburst gradient as it should
* BUGFIX - Drawing arrowheads with tablet enabled now works properly
* BUGFIX - Drawing arrowheads now doesn't produce corrupted undo frames
* BUGFIX - Builtin file selector now properly handles manual edits in directory box
* BUGFIX - Problem with FreeType text dialog occasionally hiding behind main window is now eliminated
* BUGFIX - Lists in FreeType text dialog now don't fail to update or scroll
* BUGFIX - FreeType text renderer now can handle PCF bitmap fonts
* BUGFIX - FreeType text renderer now properly handles TTF fonts with embedded bitmaps
* BUGFIX - FreeType text renderer now doesn't mistake some Unicode fonts for non-Unicode
* BUGFIX - ":unscaled" font paths in xorg.conf are now parsed properly
* BUGFIX - Redraw lag when moving a dialog over main window in Windows is now greatly reduced (fixed in GTK+)
* BUGFIX - Ctrl+T key now draws selection outline as it should - keyboard shortcut for text tool is now Shift+T
* BUGFIX - Handbook installed into a path with spaces in it no longer fails to open in nondefault browser on Windows
* BUGFIX - Internationalization no longer fails on Windows when the current directory is not the installation directory
* BUGFIX - Redraw glitches in builtin file selector on Windows are now eliminated
* BUGFIX - Drag 'n' drop of files with non ASCII characters in names now works on Windows
* "Distance to A+B" palette sort mode removed due to utter uselessness

3.31 2009-4-15

* Japanese translation updated by Norihiro YONEDA
* Swedish translation updated by Daniel Nylander and Fredrik Forsmo
* French translation updated by Plume
* Builtin file selector uses stock file and directory icons on GTK+2
* Default settings are loaded from file /etc/mtpaint/mtpaintrc if it exists
* BUGFIX - Compilation with GTK+ colour selector now works
* BUGFIX - Escape key now works properly in builtin file selector in GTK+1
* BUGFIX - Filename length in builtin file selector no longer is limited to 100 characters
* BUGFIX - Resizing the canvas window now doesn't cause polygon marquee to slide out of place
* BUGFIX - Polygon marquee shrunk by resizing the canvas is now redrawn properly
* BUGFIX - Problem with message windows not responding to mouse in some cases is now eliminated

3.30 2009-2-12

* Chinese (Simplified) translation updated by Cecc
* Dutch translation added by Hans Strijards
* Italian translation added by Angelo Gemmi
* Swedish translation added by Daniel Nylander
* Spanish translation updated by Miguel Anxo Bouzada, Francisco Jose Rey
* Galician translation updated by Miguel Anxo Bouzada
* Czech translation updated by Martin Petricek
* French translation updated by Johan Serre
* Portuguese translation updated by Tiago Silva
* Turkish translation updated by Tutku Dalmaz
* Russian translation updated
* New colour picker (old one available as configure option)
* New file picker (old one available as configure option)
* Some menu items can have an icon (if set in the preferences)
* Dock area added which now holds the former command line window (View->Show Dock)
* Layers window handling reworked to make it more responsive
* Layers window: position now editable via spin buttons
* Layers window: transparent colour toggle removed
* L key now toggles the layers window off (if the main window has focus)
* "Composite to New Layer" operation added to Layers menu
* Palette can be copied to or from the canvas using the Edit menu
* System clipboard can be imported or exported using the Edit menu
* Horizontal and vertical ramps can be created using the Selection menu
* Shapeburst gradient now used for filling gradients when no placement exists (see handbook section 3.5.6.5)
* Angular and conical gradients added
* New image creation can now be made undoable
* New image or layer can now be created from system clipboard or internal clipboard
* Screenshots can now be grabbed into a new layer
* Lasso tool now trims existing clipboard if no selection is present
* Image->Skew skews image in one or two directions
* View->Configure Grid sets grid colour preferences
* "Smart Grid" toggle shows layer boundaries around transparent pixels
* "View->Tracing Image" added : See handbook section 5.5 for details
* Gaussian blur effect for images with alpha now is about 40% faster and uses less memory
* Kuwahara-Nagao blur effect added (edge-preserving blur)
* Dilation and erosion effects added
* Seven new edge detection filters added - Sobel, Prewitt, Kirsch, Gradient, Roberts, Laplace, Morphological
* Invert effect now respects masking
* Drawing operations on utility channels now respect tool opacity
* Drawing in image channel with coupled alpha now ignores drawing modes for alpha channel
* Smudge tool now works about two times faster
* 12 new blend modes added - Multiply, Divide, Screen, Dodge, Burn, Hard Light, Soft Light, Difference, Darken, Lighten, Grain Extract, Grain Merge
* Ctrl+Double click selects average colour underneath brush square or selection marquee
* "Convert to indexed" using current palette now truncates the palette only if requested
* "Convert to indexed" PNN and Wu quantizers now have diameter based weighting option
* Brush preview area, canvas, view and palette window now do not lose mouse button release events in GTK+1
* Brush preview area border now can't be messed up by theme engines
* Makefiles now honor DESTDIR
* Configure script now honors CC
* Shift+Enter while pasting swaps clipboard with canvas (see handbook section 4.9)
* Communal memory space now implemented for layers (see handbook section 8.2.1)
* Support using ImageMagick for GIF animation, instead of Gifsicle - "./configure imagick"
* BUGFIX - Polygon line selection now clearer in Windows version
* BUGFIX - Occasional redraw glitches in paste and gradient previews eliminated
* BUGFIX - "Remove All Layers" with layers window closed doesn't cause crash
* BUGFIX - Pasting in tint mode into indexed images' utility channels now works correctly
* BUGFIX - Gradient preview now properly shows effect of mask channel on alpha channel
* BUGFIX - Alt+S key now opens Selection menu as it should
* BUGFIX - Directory for animation frames is created relative to layers file, as it should be
* BUGFIX - Saving animation frames in PNG format doesn't cause crash
* BUGFIX - When pasting to a new layer it is created untitled, as it should
* BUGFIX - CMYK JPEG files now load properly as RGB
* BUGFIX - Drawing with A to B gradient in utility channels now respects left/right button
* BUGFIX - Saving PNG images with more than one utility channel now works properly

3.21 2008-6-8

* Russian translation added by Sergey Irupin
* Spanish translation updated by Antonio Sanchez Leon
* Galician translation added by Miguel Anxo Bouzada
* Use 'xdg-open' if available to open HTML help in default browser on Linux
* Relaxed sanity checking in XPM loader to accept files with malformed headers
* "Exact Conversion" option added to Palette->Create Quantized
* Counting used colours now about twice as fast
* Workaround for bug in libpng versions 1.2.17 - 1.2.24 added (was losing extra channels when loading)
* BUGFIX - Canvas, view and palette area borders now can't be messed up by theme engines
* BUGFIX - Persistent rectangle selection now doesn't steal arrow keys from gradient placement tool
* BUGFIX - Internationalization now works properly in GTK+1
* BUGFIX - FreeType text rendering quality improved on Windows
* BUGFIX - Text in active menu items no longer becomes invisible on Windows Vista (fixed in GTK+)
* BUGFIX - Removable drives are now visible in fileselector on Windows (fixed in GTK+)

3.20 2007-12-27

* mtPaint is now licensed as GPL version 3 (or later)
* Chinese (Simplified) added by puppychinese(Cecc)
* Japanese translation added by Norihiro YONEDA
* Polish translation updated by Groszek150(LucaS)
* FreeType text pasting facility added
* Actions section added to File menu
* Sharper image reduction toggle added to "Scale Canvas"
* Spacing for non-continuous tools is now configurable - right click the continuous mode toggle
* "Blend" drawing mode added
* "Unassociate Alpha" operation added to Channels menu
* Palette is now stored in RGB PNG files
* PNG compression level made configurable
* TGA file format save/load added
* JPEG2000 file format save/load added (EXPERIMENTAL)
* XPM files with up to 4096 colours can now be saved and loaded as RGB images
* Palette->Dither A sets colour A/B and the pattern based on the current A colour and the palette
* Max-min quantizer added - creates small palettes with higher saturation and contrast
* Faster and better PNN quantizer replaces the old DL3 quantizer
* Full error precision toggle added to settings page of 'Convert To Indexed' window
* Eliminated flicker when scrolling canvas in GTK+1 and GTK+2/Windows
* Dragging the main/view window divider made to behave in GTK+1
* Main menu now rearranges itself to fit in window
* Tile based undo system introduced to save memory when changes affect only small areas of the canvas
* Max undo levels now configurable (from 10 to 1000)
* Image loading now can be made undoable
* mtPaint can now be compiled as a library (libmtpaint)
* Image rotation now sharper and faster
* Difference of Gaussians effect added
* Patterns increased to 100 and now stored in xbm_patterns.xbm file
* Edit->Create Patterns removed as patterns are now saved as standard XBM file
* Preferences->Paths : Default palette and patterns now selectable
* BUGFIX - Colour selective mode with zoom < 100% doesn't cause crash
* BUGFIX - Gradient preview now properly shows effect of mask channel
* BUGFIX - "Resize Canvas" with negative offset now works correctly
* BUGFIX - Clipboard rotation now properly handles clipboard alpha
* BUGFIX - Transparency in greyscale PNG files is now read properly
* Lanczos3 rescaling filter removed due to unfavourable results
* DL1 quantizer removed for the same reason

3.11 2007-4-2

* Slovak translation added by Jozef Riha
* French translation updated by Sylvain Cresto
* LSS16 file format load/save added to support syslinux bootup splash screens
* Clipboard alpha is now used as clipboard mask when pasting to image without alpha channel
* "Resize Canvas" can now be used to offset an image, with or without changing its size
* TIFF files with alpha saved by Photoshop now load properly
* Bash-specific idioms in configure script replaced by POSIXy equivalents
* Zoom combo boxes are now better behaved in GTK+1
* DL3 quantizer now faster by about 30%
* BUGFIX - Negative values in "Transform Colour" and "Resize Canvas" dialogs are read correctly again
* BUGFIX - Drawing a 2 pixels high filled ellipse doesn't cause crash
* BUGFIX - Tool cursor now doesn't revert to default one after showing or hiding view window
* BUGFIX - Keyboard shortcut for swapping colours A & B now works in GTK+1
* BUGFIX - Clicking the palette grid in gradient editor now works properly in GTK+1
* BUGFIX - All spin buttons are now wide enough in GTK+1
* BUGFIX - No more redraw glitches when toggling view window on/off in GTK+1

3.10 2007-1-22

* Gradient drawing mode added
* Palette shifting feature added to Palette menu
* Turkish translation added by Muhammet Kara, Tutku Dalmaz
* Taiwanese Chinese translation added by Wei-Lun Chao
* Image tiling mode added to "Resize Canvas"
* Greyscale effect now respects masking
* Gamma corrected greyscale effect added
* Gaussian blur effect replaces the old blur effect
* Unsharp mask effect added
* More palette sort modes added
* Controls for alpha/selection/mask A/B added to "Edit colour A & B"
* RGB and HSV colour scales generation integrated into palette editor
* New advanced dithering modes with many configuration options added to "Convert To Indexed" window
* Optional gamma correction for image scaling, rotation, Gaussian blur and unsharp mask
* Smudge tool can be configured to ignore opacity mode - right click the tool icon
* Smudge tool respects tool opacity for RGB images
* Channel deletion made easier to use
* View window can now be placed under drawing window using the View menu or 'H' key
* "Blend A to B" with colour A identical to B now works like GIMP's Color To Alpha filter
* Arrows and Shift+Arrows now move cursor around on canvas
* Enter now simulates left mouse click, and Backspace, right click
* '[' ']' and '{' '}' keys now used to change colour A/B
* Ctrl+scroll wheel now scrolls canvas left-right (GTK+2 only)
* Shift-+/- keys now zooms view window in/out
* Shift-1...Shift-4 keys now switch to image/alpha/selection/mask channel
* Selection marquee now persists through tool changes
* Lasso tool now works for rectangular selections too
* Indexed clipboard can now be pasted into RGB image
* Image save/load completely rewritten, now with better support for TIFF, BMP, XPM and XBM formats
* Channels, composite images and undo images can now be saved to any suitable supported file format
* Image channel can now be saved and loaded just like other channels
* Paint tool in tint mode now respects both Tint +/- toggle and left/right mouse button
* "By image channel" flood fill option now works in non-fuzzy mode too
* BUGFIX - Polygonal selections now respect selection channel
* BUGFIX - Effects menu items now remain enabled for indexed images' utility channels
* BUGFIX - 'Focus View Window' toggle now doesn't cause snatching during layer drags
* BUGFIX - Smudge now doesn't make pixels darker than it should

3.02 2006-10-14

* Polish translation added by Simek
* Spanish translation updated for version 3 by Antonio San
* All menu items on all translations updated
* Saving compressed GIF files now supported (using libgif)
* Library detection in configure script improved
* BUGFIX - Image scaling and rotation in nearest-neighbour mode now work correctly
* BUGFIX - Lasso tool now properly handles clipboard alpha
* BUGFIX - Clipboard save path now can be changed in Preferences
* BUGFIX - XPM files smaller than 4*4 pixels can now be loaded

3.01 2006-7-15

* German translation updated for version 3
* BUGFIX - Memory alignment problems on Windows fixed (might affect speed)
* BUGFIX - RGB-specific menu items now properly disabled in indexed mode

3.00 2006-6-21

* Channels facilities added
* Menus & toolbars reworked to be more task oriented
* Toolbars can now be toggled on and off via the View menu
* Drag 'n' drop from file managers supported for loading new layers
* Animation preview has a play toggle
* Clicking palette numbers opens up "Palette Editor" window
* Paste preview now respects the palette protection mask
* Transform Colour Window - Hue control added
* Transform Colour Window - Selective palette option
* Undo now less wasteful of memory when adjusting the palette
* Major rewrite of back end code to improve performance
* Colour A/B editor now uses GTK+ colour dialog
* Ctrl+Arrows resizes selection area
* Flood fill has fuzzy mode - right click icon for controls
* Saving/Loading clipboards now includes mask data
* Saving a composite layer image now de-coupled from saving the layer data file
* Most documentation has been removed from the F1 help and is now in HTML form
* HTML documentation available as a separate download package
* mtPaint mailing lists set up - http://sourceforge.net/mail/?group_id=155874
* configure script makes no assumptions about CPU - ./configure --help
* BUGFIX - Saving a composite layer image does not occasionally leave transparent areas
* BUGFIX - Transforming colour of palette with preview (RGB images) now works properly
* BUGFIX - Status bar now updated after removing all layers
* BUGFIX - Scaling image to width/height 1/2 does not cause crash

2.31 2006-5-31

* German translation contributed by Oliver Frommel

2.30 2006-3-1

* Animation of layers is now possible - see 'Animation' in docs for info
* Animated GIF files can now be opened frame by frame if you have Gifsicle installed
* File->Export Animated GIF ... can create an animated GIF file if you have Gifsicle installed
* Image can now be centralized in the window - Preferences->Zoom to toggle
* Image scaling facilities improved and extended by Dmitry Groshev
* Edit->Tint Mode added by Dmitry Groshev - see bottom of Tools section in docs for info
* Ellipse outline code improved by Dmitry Groshev
* Selection->Alpha Blend A,B : see website tutorial for example
* Various tutorials added to website
* BUGFIX - Clone tool does not misbehave when dragging beyond image edge with CTRL pressed
* BUGFIX - Text rotation should now work properly in Windows XP
* BUGFIX - Files with UTF8 characters in the filenames can now be opened in Windows
* BUGFIX - Status bar wobbling with some Windows systems resolved
* BUGFIX - Text paste + selection mask + zoom doesn't lose mask

2.20 2006-1-1

* mtPaint web site is now at http://mtpaint.sourceforge.net/
* View window now part of the main window - V key toggles on/off
* Ctrl+Arrows or Ctrl+Shift+Arrows moves a layer around
* View->Set Zoom window sets zoom for main/view window + focus toggle - Z key toggles on/off
* Palette scaling now uses colour A/B as start/finish colour & index
* Gimp palette files (*.gpl) can now be loaded/saved via the Palette menu
* If file ~/mtpaint.gpl exists, it is loaded as the default palette on startup
* Transparent GIF information can now be loaded/saved + general GIF import improvements
* Transparent pixels in main edit area are now grey chequers in single layer mode
* Counting all RGB colours now requires 2MB not 16MB
* Custom icons can now be compiled for mtPaint - see ./src/icons1/README for details
* Maximum layers increased to 100
* Windows binary installation has been simplified with standard setup.exe
* BUGFIX - When changing tool with function key, brush perimeter is now cleared properly

2.10 2005-11-20

* Support for pressure sensitive tablets via Preferences window, see 'Tools' in docs
* Colour histogram added to Information window (Ctrl-I)
* Palette->Create Quantized (Wu) method added - Good for small palettes e.g. 32
* Convert to Indexed window improved
* View window now has focus toggle to keep locked on the main window centre position
* Info window now counts all colours in RGB images - if 16MB memory is available
* Preferences window is now non-modal and has an apply button
* ./src/Makefile simplified
* Brazilian Portuguese translation contributed by Paulo Trevizan
* BUGFIX - memory leak fixed with DL1 Quantize & Floyd-Steinberg
* BUGFIX - segfault fixed when pressing * and - keys simultaneously in pan window
* BUGFIX - segfault fixed when using read only filesystems with no ~/.mtpaint write access
* BUGFIX - segfault fixed when loading certain animated GIFs - warning message instead

2.03 2005-9-23

* BUGFIX - Resolved rare segfault when shifting a layer up/down with no view window showing

2.02 2005-9-19

* PNG files with a transparency can now be loaded and saved - See 'Limitations'
* View->Show zoom grid - Parameters set in Preferences window->Zoom
* "Save As" window improved with new file attribute widgets
* Status bar changes - (T=?) for transparencies, 'x' in selection geometry
* mtPaint project registered with Launchpad/Rosetta to help with translations:
https://launchpad.net/products/mtpaint/+translations
* Partial French translation contributed by Nicolas Velin
* Partial Portuguese translation contributed by Israel G. Lugo
* BUGFIX - Copy/Paste in auto commit mode followed by paint tool does not draw extra line

2.01 2005-8-14

* BUGFIX - Resolved occasional segfault when loading and showing all layers in the main window
* BUGFIX - Windows version: screenshot grabbing now hides the new image window

2.00 2005-8-7

* View -> Layers Window - See 'Layers' in docs for info
* Edit -> Paste To New Layer
* Polygon selection tool added - See 'Selections' in docs for info
* Selection -> Lasso Selection & Cut
* Clone tool added - See 'Tools' in docs for info
* View window now has zoom facility
* Line tool now has the ability to draw an arrowhead - See 'Tools' in docs for info
* Relative filenames passed at command line now converted to absolutes
* GTK+2: Grabbing a screenshot via the new image window minimizes main window first
* Preferences toggle to commit paste when changing tool
* Keyboard shortcuts for recently used files - Shift+Ctrl+F1 = Revert
* Icons on toolbar reworked to accommodate most commonly used functions
* BUGFIX - Greyscale PNG files are now loaded properly

0.97 2005-6-4

* Text tool: Antialiasing without a background colour now possible (alpha blended edges)
* Text tool: Changing colour/pattern during paste updates text
* Text tool: Independent toggles for background colour and rotation
* Changes are flagged in the titlebar
* Brushes and patterns increased to 81
* Maximum tool size/flow increased to 200
* Logic of colour A/B editor improved for RGB images
* Help docs now supported with international po files
* Accuracy of circle brush in continuous mode improved
* Specifying a CPU is now more generic - see "./configure --help"
* BUGFIX - Loading a large image now correctly adjusts the scrollbars
* BUGFIX - Czech characters improved in Windows

0.95 2005-5-4

* Text tool added - See "Tools" for usage
* View window now available via View menu or 'V' key
* Brush presets now available via Edit menu, F3, icon on toolbar or preview area
* Screenshot grabbing facility - "mtpaint -s" or File->New - See "Tips" section
* Right mouse button paints with A/B reversed
* Palette -> Swap A & B
* Mouse scroll wheel zooms in/out if set in Preferences - GTK+2 only
* Function keys don't zoom any more - use numbers 1-9 instead
* Various new keyboard shortcuts added/changed
* Website redesign contributed by Abdulla Al Muhairi
* BUGFIX - Xine does not now close Pan Window/Pattern chooser popup
* BUGFIX - Occasional pasting 'slips' eliminated
* BUGFIX - Edit all colours window now works properly when screen depth <24 bpp

0.90 2005-4-12

* Internationalization now supported with "./configure intl"
* Spanish translation contributed by the Guadalinex team
* Czech translation contributed by Pavel Ruzicka
* Preferences window allows the manual selection of language translations
* Man page contributed by Guadalinex team - "./configure man" to install
* Pasting with less than 100% opacity now shows preview of resulting transparency
* Widget behaviour improved in Quantize & Transform Colour windows
* Page Up/Down keys now work as expected in Command Line Window
* Changing tool does not tax the CPU as much on older hardware
* Accuracy improvements for line tool and circle in continuous mode when size>1
* Max geometry is now 16384x16384
* New typeface for palette numbers
* Several more configure script options added - "./configure --help" for details
* BUGFIX - Pattern flood fills now work under all conditions
* BUGFIX - In GTK+2, filenames with non ASCII characters are now be handled properly
* BUGFIX - Attempting to fill on a protected colour does not set opacity to 100%
* BUGFIX - Ctrl -/+ Adjusts opacity as originally designed
* BUGFIX - Undo/Redo to an indexed image with smudge does not cause segfault

0.75 2005-2-15

* Pan window added - See "Tools" for usage
* Colour protection mask now works with RGB images
* Selection -> Outline Ellipse + New icon : Thickness = tool size
* Converting RGB images to indexed improved:
* i) 'Exact' option now uses less memory + slightly quicker
* ii) Accuracy of 'Dither' method is now better
* iii) Floyd-Steinberg option added
* iv) Palette quantization DL1 & DL3 options added with[out] Floyd-Steinberg
* Palette -> Create Quantized (DL1 & DL3) : RGB images only
* Palette -> Sort -> Frequency : Sorts an indexed palette by pixel frequency on canvas
* Palette Sort window has apply button
* File -> Export Undo Images (reversed)
* Transform Colour window improved:
* i) Apply button added
* ii) Toggles to transform RGB image and/or palette
* iii) Gamma moved to top and is now the 1st operation to be done
* iv) Window now pops up where the mouse pointer is positioned
* v) Return/Enter keys now press 'OK' button
* Tips section added to README & help
* Progress window is now movable and does not remain above other windows
* configure script improved to cater for systems without pkg-config, i.e. GTK+1 only
* BUGFIX - Memory leaks in read_png & read_jpeg cleaned up
* BUGFIX - Corrupt PNG & JPEG files are now handled properly
* BUGFIX - Palette area update invisibility on some systems corrected
* BUGFIX - Jerking of vertical/horizontal scrollbars when zooming eliminated
* BUGFIX - Zooming in GTK+1 now respects the specified zoom centre
* BUGFIX - While pasting, cursor flickering on slow hardware has been eliminated

0.50 2005-1-1

* Smudge tool - RGB images only, continuous or non-continuous modes
* Image -> Free Rotate : Rotate image at any angle
* Selection -> Mask Colour A,B : See 'Selections' in README/Help for example
* Selection -> Unmask Colour A,B
* Selection -> Mask All Colours
* Selection -> Clear Mask : Revert to normal opaque rectangular paste
* Counting unique RGB pixels is faster (particularly GTK+2)
* Selection geometry on status bar now also shows selection diagonal angle + length
* Preferences -> Force zoom to 100% or current zoom with a new file
* Numbers 1-9 set zoom, Insert=Transform colours, Delete=Crop, Page Up/Down=Scale/Resize
* 1-9, +, -, =, Q, Home, Insert, etc... keys work while Command Line window selected
* Compilation now works using gcc-2.95 and libpng-1.0
* Configure script contains example of how to compile with Slackware 8.0
* Undo/Redo stops current paste only when changing to/from Indexed/RGB
* BUGFIX - Occasional Pango warnings in GTK+2 upon startup stopped
* BUGFIX - When undo/redo clears paste the cursor is not stuck as 4 way arrow
* BUGFIX - Last pixel of straight line now painted if size=1

0.47 2004-12-11

* View -> 10%, 25%, 50% : +, -/= keys can be used to get zoom below 100%
* View -> Toggle Image View (Home key) : Show/Hide palette, menu, status bar etc
* View -> Command Line Window : Shows files passed in command line (if > 1)
* Effects -> Isometric Transformations
* Palette colours : Shift + click/drag moves a colour to a new index
* Posterize effect merged with brightness/contrast/saturation window -> Transform Colour
* Gamma added to Transform Colour window
* Using "mtpaint -v" or calling from other binary name starts in full image view
* Selection resize method improved + right button = clear
* Limitation relating to flood fill colour resolved for most situations
* Using arrow keys while painting changes colour A/B
* Edit -> Opacity Undo Mode (F12) replaces Preferences option
* Greyscale now in Effects menu
* Escape key now selects first button of alert box
* Default tool is now selection
* Colour toolbar icons moved together
* Keyboard shortcuts added for Cropping/Transforming colours/Invert/Greyscale
* Compiler options tweaked - faster/smaller binary
* BUGFIX - Undo/Redo to indexed/RGB while pasting RGB/indexed does not cause segfault

0.45 2004-11-21

* Tool opacity is now variable so subtle RGB painting is now possible
* Effects -> Edge Detect, Sharpen, Soften, Blur, Emboss
* Scaling a 24 bit RGB image is now smoother
* Image -> Convert To Indexed : Exact conversion, Quantized Palette, Dithered, Scattered
* Save TIFF files (uncompressed RGB)
* Save GIF files (uncompressed indexed 256 colours)
* Save BMP files (uncompressed indexed & RGB)
* File -> Export Undo Images
* File -> Export ASCII Art
* Palette -> Add Colours changed to Set Palette Size, i.e. reduction is now possible
* File -> Save As : If image has a filename, put this into the filename box
* When loading a png/tiff/jpeg/gif only use progress bar if image is large
* Middle mouse button sets the zoom centre
* Image -> Preferences : Q key can now quit mtPaint
* Spray/shuffle mouse pointers made more consistent
* BUGFIX - Rotating the image with no undo memory does not cause image corruption
* BUGFIX in GTK+2.4 - Pressing enter while pasting does not press toolbar button

0.40 2004-11-8

* File -> New : Create 24 bit RGB image
* Most functions/tools now work on a 24 bit RGB canvas (except colour protection mask)
* Load/Save 24 bit RGB PNG files
* Load 24 bit RGB/Greyscale, Save 24 bit RGB JPEG files - Quality set by Preferences
* Load TIFF files
* Load uncompressed BMP files
* Image -> Convert To RGB
* Image -> Convert To Indexed
* Edit -> Load Clipboard -> 1-12
* Edit -> Save Clipboard -> 1-12
* More icons have been added to the toolbar
* File menu now contains a recently used file list - Set limit in Preferences window (0-20)
* Maximum canvas height/width set to 8192, minimum set to 1
* Last directory loaded from command line is now correctly remembered
* Palette -> Load default
* BUGFIX - Resizing/Scaling with no undo memory does not cause segfault
* BUGFIX - Using a static tool after resize/scale/rotate does not create unwanted shapes
* BUGFIX - An occasional crash when using the GTK+ colour selector was corrected

0.37 2004-10-25

* Image -> Brightness-Contrast-Saturation
* Image -> Scale Canvas
* Image -> Resize Canvas
* Image -> Preferences : The user can specify what info is displayed on the status bar
* Image -> Rotate Clockwise
* Image -> Rotate Anti-Clockwise
* Selection -> Rotate Clockwise
* Selection -> Rotate Anti-Clockwise
* Help -> About (F1) : Reflects the current README file
* File -> New : User can now create a greyscale image
* Palette -> Edit All Colours
* Palette -> Create Scale : Create blended colours from one index to another
* Palette -> Sort
* Image -> Bacteria Effect : Try it a few times with "mtpaint graphics/bacteria.png"
* File selection window geometry stored independently from main window geometry
* BUGFIX - Progress window now appears above file selector in GTK+2 Windows/Gnome
* BUGFIX - Maximizing A/B colour editor window does not cause segfault or window corruption

0.35 2004-10-16

* Sources can now be compiled using MinGW/MSYS to create a Windows version of mtPaint
* XPM & XBM images can now be loaded and saved
* File -> Preferences : User can view/set XPM/XBM transparency/hotspot info
* Straight line tool added to toolbar
* Image menu now houses Convert to greyscale, Posterize, Information, Preferences and Crop
* Image -> Flip Vertically
* Image -> Flip Horizontally
* Image -> Invert
* Selection -> Flip Vertically
* Selection -> Flip Horizontally
* Undo/redo levels displayed on status bar
* Progress bar is now used for load/save/flip - Useful for large images or slow machines
* Minimum main window size set so 640x480 screens can use mtPaint
* Setting zoom centre now requires Shift+Right button - Avoids clash with paste/line tools
* BUGFIX - Save failure does not now clear the mem_changed flag
* BUGFIX - Accuracy of max undo levels improved in Information window
* BUGFIX - Menus updated when loading file from command line (no option to crop to 1x1)

0.30 2004-10-4

* GIF images can now be loaded into mtPaint
* Mouse pointers for static shapes improved
* Selection menu now houses "Select All", "Select None"
* Selection -> Outline Rectangle : Draws outline of tool size pixels around current selection
* Selection -> Filled Rectangle : Fills the current selection area
* Selection -> Filled Ellipse : Draws a filled ellipse inside the current selection area
* Selection -> Line - Slash : Draws straight line on selection from top left to bottom right
* Selection -> Line - Backslash : Draws straight line on selection from top right to bottom left
* Edit -> Continuous Painting : Makes painting the 6 static shapes continuous and smooth
* Status bar has "CON" to indicate if the program is in Continuous Painting mode
* Information window now contains details of current clipboard data
* Ctrl+Left Button while over palette sets colour B (useful for stylus/tablet users)
* configure script extended - use "./configure --help" for details
* BUGFIX - Selecting None during paste at high zoom does not tax the CPU
* BUGFIX - Changing tool during paste at high zoom does not tax the CPU
* BUGFIX - Pasting while already pasting at high zoom does not cause program termination
* BUGFIX - Selection/Paste perimeter does not get corrupted in GTK+2 while using scrollbars

0.25 2004-9-24

* Palette -> Convert To Greyscale : Converts current palette to greyscale
* Edit -> Crop : Crops the canvas to the current selection
* The red/white selection box can now be resized by clicking and dragging the corners
* Selection geometry is now displayed on the status bar
* Start with blank canvas if file was not successfully loaded from the command line
* Enter/Return now commits a paste even when Shift/Ctrl are pressed
* Loading a palette can now be undone/redone
* BUGFIX - Errors while trying to "Save As" are now treated properly
* BUGFIX - Pressing CTRL and moving the mouse without pressing a button does not tax the CPU
* BUGFIX - Loading a palette with 256 colours is now possible
* BUGFIX - Paste To Centre menu item now behaves as expected
* BUGFIX - mem_changed flag now cleared properly after saving - no more false warnings
* BUGFIX - Fixed segfault when cutting during a paste (edit menu logic improved)
* Select/Paste now uses less CPU and doesn't flicker as much
* Undo system rewritten:
* Accommodates geometry changes from cropping
* Only malloc's memory as required, not en masse at beginning
* Tool perimeter shows correct position when mouse is over the grey background

0.24 2004-9-19

* Makefile - Default compiler options changed to make no optimizations
* Preferences -> Option to show mouse cursor as the tool shape
* Preferences -> Confirm exit alert now optional
* When quitting/opening/file-new without saving changes, the user is warned
* TODO list in README updated with my plans for the next few months
* File -> Save As given shortcut Shift+Ctrl-S
* Selection tool added to toolbar
* Edit -> Cut
* Edit -> Copy
* Edit -> Paste To Centre
* Edit -> Paste
* Edit -> Select All
* Edit -> Select None
* Preferences -> Option to not display clipboard image while pasting
* README updated with details about selection, copy, cut, paste etc.
* BUGFIX in memory.c - correct posterizing now happens whether using -ffast-math or not
* BUGFIX in GTK+1 - CTRL shortcuts are now not blocked by size/spray spin buttons
* First public release of mtPaint on gnomefiles.org


0.23 2004-9-13

First public release of mtPaint on freshmeat.net

0.21 2004-9-6

Beta testing begins!

0.20 2004-9-5

9 basic tools + palette edit/add/posterize/merge/load/save finished

0.16 2004-8-31

Undo/Redo implemented - default MAX_UNDO = 100

0.15 2004-8-28

Patterns implemented with square tool + colour protection mask implemented

0.05 2004-8-14

PNG load + image display & zoom features

0.04 2004-8-12

Program structure fixated

0.02 2004-8-7

GUI fixated

0.00 2004-7-4

Project started - GUI & back end designs kicked around on paper and in Glade