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devel-docs: update XCF docs with XCF 14 changes.

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Jehan
2020-04-14 21:46:03 +02:00
parent 592cea6b87
commit 7e0adbc282
1 changed files with 11 additions and 4 deletions
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15
devel-docs/xcf.txt
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@ -175,6 +175,11 @@ Adds many layer modes, layer group masks, high-bit depth (precisions
other than 8-bit gamma), zlib compression and 64-bit offsets for XCF
files bigger than 4GB.
Version 14:
Since GIMP 2.10.20, released on 2020-MM-DD.
Allows multiple layers to have the property PROP_ACTIVE_LAYER, hence
multiple layers selected at once.
1. BASIC CONCEPTS
=================
@ -533,7 +538,7 @@ The floating selection must not have a layer mask of its own, but if
an ordinary (not floating) selection also exists, it will be used as
a layer mask for the floating selection.
If a floating selection exists, it must also be the active layer.
If a floating selection exists, it must also be the only selected layer.
Because the floating selection is modal and ephemeral, users rarely
save XCF files containing a floating selection. It may be acceptable
@ -1157,9 +1162,11 @@ PROP_ACTIVE_LAYER (editing state)
uint32 2 Type identification
uint32 0 PROP_ACTIVE_LAYER has no payload
The presence of PROP_ACTIVE_LAYER indicates that the channel is the
currently active layer.
Only zero or one layer must have this property at any time.
The presence of PROP_ACTIVE_LAYER indicates that the layer is
currently selected.
Up to XCF 13 and below, only zero or one layer could have this
property at any time. Since XCF 14 and over, there can be any number
of layers selected together.
PROP_APPLY_MASK (essential)
uint32 11 Type identification