4.0.1

• Import and export .asm tilemaps
• Confirm before closing a modified tilemap to open one from Image to Tiles
• Support 1bpp and 2bpp .NCGR graphics files
• Support Animator Pro .COL palette files
• Improve compatibility with international characters in filenames

4.0.0

The Image to Tiles tool has had many improvements:

• Image to Tiles can start at a nonzero palette index
• Image to Tiles supports many more palette file formats
• Image to Tiles supports GIF input images
• Image to Tiles indexed palettes support BMP tilesets
• Option for Image to Tiles to avoid trailing empty tiles
• After using Image to Tiles, the created tilemap opens with the right default format
• Opening a PNG/BMP/GIF image (e.g. by right-clicking one and using "Open with...") starts Image to Tiles

As well as the rest of the application:

• Support NDS tilemaps (.NSCR/.RCSN files)
• Import .C, .CSV, or .RMP tilemaps
• Export tilemaps as .C or .CSV
• A right-click-and-drag selected area in the tilemap can be erased, X/Y flipped, or copied to the clipboard (via the Edit menu)
• Add a Crop to Selection tool
• Add a Shift Tilemap tool
• Add a Shift Tileset tool
• Add a toolbar button for the Tileset Width tool
• Flood fill (Shift+click) supports pattern fill with multiple selected tiles
• Fix drag-and-drop of image files onto the tileset area
• Support loading GIF tilesets
• View→Transparent (F10) makes the window transparent
• Update FLTK to 1.3.7
• Various UI polishing

And some improvements to OS interaction:

• Default to the Dark theme if Windows 10's color personalization is set to dark
• Save and restore maximized window state in Linux
• Consistently do OK/Cancel on Windows and Cancel/OK on Linux
• Any logic based on file extensions is case-insensitive

3.3.0

• Update FLTK to 1.3.6
• Image to Tiles can output an indexed PLTE chunk for its palette (if the output tileset is a PNG)
• Remember if the window is full-screen or maximized
• Consistently use hex spinners in the Add Tileset dialog
• Move "Auto-Load Tileset" checkbox from Options to Tileset menu
• Fix the Save As dialog mentioning a nonexistent .attrmap file
• Fix "Blank Spaces Use ID" and its interaction with palette generation
• Fix blank tile placement for non-zero start ID
• Fix some potential crashes from invalid input

3.2.2

• Support pokegold-spaceworld Town Map format
• Add Full Screen mode (F11)
• Rename "GBA tiles + 8bpp palettes" format to "GBA tiles + 8bpp palette" (since it only has one)
• In the Saved dialog, mention both the .tilemap and .attrmap files if both exist
• Don't reset the Image to Tiles dialog's format on reopening
• Add a Brushed Metal theme
• Rename the Metal theme to Ocean (the default Java Swing Look&Feel)

3.2.1

• Image to Tiles dialog's Palette checkbox is on by default
• RBY Town Map tilemaps default to a 4x4 tileset instead of 16x1
• pokered's EMAP/IMAP macros are now external_map/internal_map
• Refactor the code using C++17 features
• Fix some internal issues found with static analysis

3.2.0

• Reorganize the Image to Tiles dialog UI
• Image to Tiles can specify a color #0 for every palette
• Image to Tiles dialog reopens without losing settings if creating the tiles fails
• Options→Auto-Load Tileset will load a tileset image with the same name as a tilemap
• Tilemap→Print can export to an image or copy to the clipboard
• Fix: placing flipped multiselected tiles past the edges of the tilemap
• Fix: JASC palette files use DOS line endings ("\r\n")
• Placing multiselected tiles from within the tilemap will place their palettes too
• Prefix hexadecimal number spinners with "$"
• Add a Tilemap→Exit menu item

3.1.0

Image to Tiles changes:

• GSC and PC Town Map formats create a town_map_palette_map.asm file along with a palette
• Plain tilemaps can create 8BPP palettes
• Auto-opens the tilemap with the correct width
• Palettes can be saved as RGB ASM, JASC PAL, ACT, GPL, PNG, or BMP

Other changes:

• Separate GBA 4BPP and 8BPP tilemap formats
• Support reading 8BPP tileset images
• Support writing BMP screenshots and tilesets
• Default saved image file extension depends on file type filter
• Zooming does not reset the scroll position
• Tilemap Studio.prefs or tilemapstudio.prefs in the same directory as tilemapstudio.exe can be used for portable preferences

3.0.0

• Select multiple tiles from the tileset or tilemap by left- or right-dragging
• Support SNES tilemaps with tile+attribute byte pairs
• Change the tileset width
• Fix saving a New tilemap formatted as a GBC tilemap + attrmap
• Labels clarify input and output in Image to Tiles dialog
• Fix some memory leaks
• Build with Visual Studio 2019

2.1.1

• Encode tileset images as 2-bit or 4-bit grayscale PNGs when a .pal file is generated
• Add a new dark High Contrast theme
• Some graphical improvements for themes

2.1.0

• Image to Tiles can create ASM or JASC .pal files using superfamiconv's optimizing algorithm
• Zoom the tilemap from 1x to 10x
• Support 4BPP tileset graphics
• New tilemaps with palettes start with palette 0
• Indicate tile bank with italic and/or bold IDs for tiles without graphics
• Detect .tilemap.rle as Pokégear card, not RBY Town Map
• Some GUI improvements