Celestia Splash Screen Specifications
Position and style attributes for the version and status text can be specified by using PNG metadata comments (tEXt or zTXt chunks).
The table below gives the comprehensive list of supported attributes, the attribute name has to be prepended with "status_" or "version_" to apply to the respective text box.
Additionnal "extra" text boxes can be specified using "extraXX_" as prefix, where XX is a (2-digit) decimal index starting at 0.
| Name | Type | Default | Description |
|---|---|---|---|
| disable | 0|1 | 0 | |
| x | int | version: W - 180 status: 20 extra: required |
Horizontal offset (in pixels from the left) of the left of the bounding box |
| y | int | H - 40 extra: required |
Vertical offset (in pixels from the top) of the top of the bounding box |
| width | int | version: 150 status: W - 200 extra: required |
Width in pixels of the bounding box |
| height | int | 20 extra: required |
Height in pixels of the bounding box |
| halign | left|center|right | status: left version: right |
Horizontal text alignment |
| valign | top|center|bottom | top | Vertical text alignment |
| font_family | string | Arial | |
| font_size | int | 11 | in pixels (not points, px = pt * dpi / 72) |
| color | RRGGBB | FFFFFF | RGB value in hexadecimal |
| font_is_bold | 0|1 | 0 | |
| insert_before | string | Inserts this string before the version number or status message. For extra text boxes, this is the content of the field. | |
| show_box | 0|1 | 0 | Draws the bounding box (debug) |
Example
$ kfile --av splash2.png splash2.png: Image PNG (image/png) -- /home/chris/celestia-dev/splash2.png ------------------ =All Values= Comment: extra00_color: B0A292 Comment: extra00_font_family: Arial Comment: extra00_font_is_bold: 0 Comment: extra00_font_size: 11 Comment: extra00_halign: left Comment: extra00_height: 10 Comment: extra00_insert_before: © 2006 - Chris Laurel Comment: extra00_show_box: 1 Comment: extra00_valign: center Comment: extra00_width: 300 Comment: extra00_x: 20 Comment: extra00_y: 455 Comment: status_color: B0A292 Comment: status_font_family: Arial Comment: status_font_is_bold: 0 Comment: status_font_size: 11 Comment: status_halign: right Comment: status_height: 10 Comment: status_show_box: 1 Comment: status_valign: center Comment: status_width: 300 Comment: status_x: 350 Comment: status_y: 455 Comment: version_color: B0A292 Comment: version_font_family: Arial Comment: version_font_is_bold: 1 Comment: version_font_size: 14 Comment: version_halign: right Comment: version_height: 15 Comment: version_insert_before: Version Comment: version_show_box: 1 Comment: version_valign: center Comment: version_width: 144 Comment: version_x: 506 Comment: version_y: 437 Technical Details: Bit Depth: 32 bpp Technical Details: Color Mode: RGB/Alpha Technical Details: Compression: Deflate Technical Details: Dimensions: 676 x 493 pixels Technical Details: Interlace Mode: None
Final result without the bounding boxes shown:
And here is the default display when no metadata are used:
