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Update mip mapping and textarea documentation (#7315) 

* Fix textarea formspec documentation
The label is shown and the background isn't
* Document the missing gamma correction when generating mip maps
* Remove duplicate text (such as size parameter descriptions)
This commit is contained in:
HybridDog 2018-07-19 18:28:26 +02:00 committed by SmallJoker
parent 4b36a39d37
commit 78a801e42d
2 changed files with 21 additions and 43 deletions
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4
builtin/settingtypes.txt
View File

@ -424,7 +424,9 @@ enable_particles (Digging particles) bool true
[**Filtering] [**Filtering]
# Use mip mapping to scale textures. May slightly increase performance. # Use mip mapping to scale textures. May slightly increase performance,
# especially when using a high resolution texture pack.
# Gamma correct downscaling is not supported.
mip_map (Mipmapping) bool false mip_map (Mipmapping) bool false
# Use anisotropic filtering when viewing at textures from an angle. # Use anisotropic filtering when viewing at textures from an angle.

60
doc/lua_api.txt
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@ -1779,6 +1779,13 @@ supported. It is a string, with a somewhat strange format.
Spaces and newlines can be inserted between the blocks, as is used in the Spaces and newlines can be inserted between the blocks, as is used in the
examples. examples.
Position and size units are inventory slots, `X` and `Y` position the formspec
element relative to the top left of the menu or container. `W` and `H` are its
width and height values.
When displaying text which can contain formspec code, e.g. text set by a player,
use `minetest.formspec_escape`.
For coloured text you can use `minetest.colorize`.
WARNING: Minetest allows you to add elements to every single formspec instance WARNING: Minetest allows you to add elements to every single formspec instance
using player:set_formspec_prepend(), which may be the reason backgrounds are using player:set_formspec_prepend(), which may be the reason backgrounds are
appearing when you don't expect them to. See `no_prepend[]` appearing when you don't expect them to. See `no_prepend[]`
@ -1892,11 +1899,9 @@ Elements
### `image[<X>,<Y>;<W>,<H>;<texture name>]` ### `image[<X>,<Y>;<W>,<H>;<texture name>]`
* Show an image * Show an image
* Position and size units are inventory slots
### `item_image[<X>,<Y>;<W>,<H>;<item name>]` ### `item_image[<X>,<Y>;<W>,<H>;<item name>]`
* Show an inventory image of registered item/node * Show an inventory image of registered item/node
* Position and size units are inventory slots
### `bgcolor[<color>;<fullscreen>]` ### `bgcolor[<color>;<fullscreen>]`
* Sets background color of formspec as `ColorString` * Sets background color of formspec as `ColorString`
@ -1905,26 +1910,21 @@ Elements
### `background[<X>,<Y>;<W>,<H>;<texture name>]` ### `background[<X>,<Y>;<W>,<H>;<texture name>]`
* Use a background. Inventory rectangles are not drawn then. * Use a background. Inventory rectangles are not drawn then.
* Position and size units are inventory slots
* Example for formspec 8x4 in 16x resolution: image shall be sized * Example for formspec 8x4 in 16x resolution: image shall be sized
8 times 16px times 4 times 16px. 8 times 16px times 4 times 16px.
### `background[<X>,<Y>;<W>,<H>;<texture name>;<auto_clip>]` ### `background[<X>,<Y>;<W>,<H>;<texture name>;<auto_clip>]`
* Use a background. Inventory rectangles are not drawn then. * Use a background. Inventory rectangles are not drawn then.
* Position and size units are inventory slots
* Example for formspec 8x4 in 16x resolution: * Example for formspec 8x4 in 16x resolution:
image shall be sized 8 times 16px times 4 times 16px image shall be sized 8 times 16px times 4 times 16px
* If `true` the background is clipped to formspec size * If `auto_clip` is `true`, the background is clipped to the formspec size
(`x` and `y` are used as offset values, `w` and `h` are ignored) (`x` and `y` are used as offset values, `w` and `h` are ignored)
### `pwdfield[<X>,<Y>;<W>,<H>;<name>;<label>]` ### `pwdfield[<X>,<Y>;<W>,<H>;<name>;<label>]`
* Textual password style field; will be sent to server when a button is clicked * Textual password style field; will be sent to server when a button is clicked
* When enter is pressed in field, fields.key_enter_field will be sent with the * When enter is pressed in field, fields.key_enter_field will be sent with the
name of this field. name of this field.
* `x` and `y` position the field relative to the top left of the menu * Fields are a set height, but will be vertically centred on `H`
* `w` and `h` are the size of the field
* Fields are a set height, but will be vertically centred on `h`
* Position and size units are inventory slots
* `name` is the name of the field as returned in fields to `on_receive_fields` * `name` is the name of the field as returned in fields to `on_receive_fields`
* `label`, if not blank, will be text printed on the top left above the field * `label`, if not blank, will be text printed on the top left above the field
* See field_close_on_enter to stop enter closing the formspec * See field_close_on_enter to stop enter closing the formspec
@ -1933,10 +1933,7 @@ Elements
* Textual field; will be sent to server when a button is clicked * Textual field; will be sent to server when a button is clicked
* When enter is pressed in field, `fields.key_enter_field` will be sent with * When enter is pressed in field, `fields.key_enter_field` will be sent with
the name of this field. the name of this field.
* `x` and `y` position the field relative to the top left of the menu * Fields are a set height, but will be vertically centred on `H`
* `w` and `h` are the size of the field
* Fields are a set height, but will be vertically centred on `h`
* Position and size units are inventory slots
* `name` is the name of the field as returned in fields to `on_receive_fields` * `name` is the name of the field as returned in fields to `on_receive_fields`
* `label`, if not blank, will be text printed on the top left above the field * `label`, if not blank, will be text printed on the top left above the field
* `default` is the default value of the field * `default` is the default value of the field
@ -1962,48 +1959,39 @@ Elements
### `textarea[<X>,<Y>;<W>,<H>;<name>;<label>;<default>]` ### `textarea[<X>,<Y>;<W>,<H>;<name>;<label>;<default>]`
* Same as fields above, but with multi-line input * Same as fields above, but with multi-line input
* if the text overflows a vertical scrollbar is added * If the text overflows, a vertical scrollbar is added.
* if the name is empty the textarea is readonly, the label is not displayed. * If the name is empty, the textarea is read-only and
the background is not shown, which corresponds to a multi-line label.
### `label[<X>,<Y>;<label>]` ### `label[<X>,<Y>;<label>]`
* `x` and `y` work as per field * The label formspec element displays the text set in `label`
* `label` is the text on the label at the specified position.
* Position and size units are inventory slots * The text is displayed directly without automatic line breaking,
so label should not be used for big text chunks.
### `vertlabel[<X>,<Y>;<label>]` ### `vertlabel[<X>,<Y>;<label>]`
* Textual label drawn vertically * Textual label drawn vertically
* `x` and `y` work as per field
* `label` is the text on the label * `label` is the text on the label
* Position and size units are inventory slots
### `button[<X>,<Y>;<W>,<H>;<name>;<label>]` ### `button[<X>,<Y>;<W>,<H>;<name>;<label>]`
* Clickable button. When clicked, fields will be sent. * Clickable button. When clicked, fields will be sent.
* `x`, `y` and `name` work as per field * Fixed button height. It will be vertically centred on `H`
* `w` and `h` are the size of the button
* Fixed button height. It will be vertically centred on `h`
* `label` is the text on the button * `label` is the text on the button
* Position and size units are inventory slots
### `image_button[<X>,<Y>;<W>,<H>;<texture name>;<name>;<label>]` ### `image_button[<X>,<Y>;<W>,<H>;<texture name>;<name>;<label>]`
* `x`, `y`, `w`, `h`, and `name` work as per button
* `texture name` is the filename of an image * `texture name` is the filename of an image
* Position and size units are inventory slots
### `image_button[<X>,<Y>;<W>,<H>;<texture name>;<name>;<label>;<noclip>;<drawborder>;<pressed texture name>]` ### `image_button[<X>,<Y>;<W>,<H>;<texture name>;<name>;<label>;<noclip>;<drawborder>;<pressed texture name>]`
* `x`, `y`, `w`, `h`, and `name` work as per button
* `texture name` is the filename of an image * `texture name` is the filename of an image
* Position and size units are inventory slots
* `noclip=true` means the image button doesn't need to be within specified * `noclip=true` means the image button doesn't need to be within specified
formsize. formsize.
* `drawborder`: draw button border or not * `drawborder`: draw button border or not
* `pressed texture name` is the filename of an image on pressed state * `pressed texture name` is the filename of an image on pressed state
### `item_image_button[<X>,<Y>;<W>,<H>;<item name>;<name>;<label>]` ### `item_image_button[<X>,<Y>;<W>,<H>;<item name>;<name>;<label>]`
* `x`, `y`, `w`, `h`, `name` and `label` work as per button
* `item name` is the registered name of an item/node, * `item name` is the registered name of an item/node,
tooltip will be made out of its description tooltip will be made out of its description
to override it use tooltip element to override it use tooltip element
* Position and size units are inventory slots
### `button_exit[<X>,<Y>;<W>,<H>;<name>;<label>]` ### `button_exit[<X>,<Y>;<W>,<H>;<name>;<label>]`
* When clicked, fields will be sent and the form will quit. * When clicked, fields will be sent and the form will quit.
@ -2013,8 +2001,6 @@ Elements
### `textlist[<X>,<Y>;<W>,<H>;<name>;<listelem 1>,<listelem 2>,...,<listelem n>]` ### `textlist[<X>,<Y>;<W>,<H>;<name>;<listelem 1>,<listelem 2>,...,<listelem n>]`
* Scrollable item list showing arbitrary text elements * Scrollable item list showing arbitrary text elements
* `x` and `y` position the itemlist relative to the top left of the menu
* `w` and `h` are the size of the itemlist
* `name` fieldname sent to server on doubleclick value is current selected * `name` fieldname sent to server on doubleclick value is current selected
element. element.
* `listelements` can be prepended by #color in hexadecimal format RRGGBB * `listelements` can be prepended by #color in hexadecimal format RRGGBB
@ -2023,8 +2009,6 @@ Elements
### `textlist[<X>,<Y>;<W>,<H>;<name>;<listelem 1>,<listelem 2>,...,<listelem n>;<selected idx>;<transparent>]` ### `textlist[<X>,<Y>;<W>,<H>;<name>;<listelem 1>,<listelem 2>,...,<listelem n>;<selected idx>;<transparent>]`
* Scrollable itemlist showing arbitrary text elements * Scrollable itemlist showing arbitrary text elements
* `x` and `y` position the item list relative to the top left of the menu
* `w` and `h` are the size of the item list
* `name` fieldname sent to server on doubleclick value is current selected * `name` fieldname sent to server on doubleclick value is current selected
element. element.
* `listelements` can be prepended by #RRGGBB (only) in hexadecimal format * `listelements` can be prepended by #RRGGBB (only) in hexadecimal format
@ -2036,7 +2020,6 @@ Elements
### `tabheader[<X>,<Y>;<name>;<caption 1>,<caption 2>,...,<caption n>;<current_tab>;<transparent>;<draw_border>]` ### `tabheader[<X>,<Y>;<name>;<caption 1>,<caption 2>,...,<caption n>;<current_tab>;<transparent>;<draw_border>]`
* Show a tab**header** at specific position (ignores formsize) * Show a tab**header** at specific position (ignores formsize)
* `x` and `y` position the itemlist relative to the top left of the menu
* `name` fieldname data is transferred to Lua * `name` fieldname data is transferred to Lua
* `caption 1`...: name shown on top of tab * `caption 1`...: name shown on top of tab
* `current_tab`: index of selected tab 1... * `current_tab`: index of selected tab 1...
@ -2045,8 +2028,6 @@ Elements
### `box[<X>,<Y>;<W>,<H>;<color>]` ### `box[<X>,<Y>;<W>,<H>;<color>]`
* Simple colored box * Simple colored box
* `x` and `y` position the box relative to the top left of the menu
* `w` and `h` are the size of box
* `color` is color specified as a `ColorString`. * `color` is color specified as a `ColorString`.
If the alpha component is left blank, the box will be semitransparent. If the alpha component is left blank, the box will be semitransparent.
@ -2063,7 +2044,6 @@ Elements
### `checkbox[<X>,<Y>;<name>;<label>;<selected>]` ### `checkbox[<X>,<Y>;<name>;<label>;<selected>]`
* Show a checkbox * Show a checkbox
* `x` and `y`: position of checkbox
* `name` fieldname data is transferred to Lua * `name` fieldname data is transferred to Lua
* `label` to be shown left of checkbox * `label` to be shown left of checkbox
* `selected` (optional): `true`/`false` * `selected` (optional): `true`/`false`
@ -2073,8 +2053,6 @@ Elements
* There are two ways to use it: * There are two ways to use it:
1. handle the changed event (only changed scrollbar is available) 1. handle the changed event (only changed scrollbar is available)
2. read the value on pressing a button (all scrollbars are available) 2. read the value on pressing a button (all scrollbars are available)
* `x` and `y`: position of trackbar
* `w` and `h`: width and height
* `orientation`: `vertical`/`horizontal` * `orientation`: `vertical`/`horizontal`
* Fieldname data is transferred to Lua * Fieldname data is transferred to Lua
* Value this trackbar is set to (`0`-`1000`) * Value this trackbar is set to (`0`-`1000`)
@ -2084,8 +2062,6 @@ Elements
### `table[<X>,<Y>;<W>,<H>;<name>;<cell 1>,<cell 2>,...,<cell n>;<selected idx>]` ### `table[<X>,<Y>;<W>,<H>;<name>;<cell 1>,<cell 2>,...,<cell n>;<selected idx>]`
* Show scrollable table using options defined by the previous `tableoptions[]` * Show scrollable table using options defined by the previous `tableoptions[]`
* Displays cells as defined by the previous `tablecolumns[]` * Displays cells as defined by the previous `tablecolumns[]`
* `x` and `y`: position the itemlist relative to the top left of the menu
* `w` and `h` are the size of the itemlist
* `name`: fieldname sent to server on row select or doubleclick * `name`: fieldname sent to server on row select or doubleclick
* `cell 1`...`cell n`: cell contents given in row-major order * `cell 1`...`cell n`: cell contents given in row-major order
* `selected idx`: index of row to be selected within table (first row = `1`) * `selected idx`: index of row to be selected within table (first row = `1`)