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25 Commits

Author SHA1 Message Date
Matthias Clasen
5ee7606779 css: Support colors in cross fades 
The CSS Image Spec (Level 4) allows colors in
cross-fade expressions to specify solid-color images.

Support this.
 2021-01-26 21:14:09 -05:00
Timm Bäder
b25f93e24c Make dimension values and calc values just number values 2020-05-10 08:44:20 +02:00
Timm Bäder
0b2a6e34c4 cssimage: Add is_computed vfunc 
Same semantics as the is_computed field of GtkCssValue
 2020-01-18 08:49:51 +01:00
Benjamin Otte
1cd9396154 css: Review error messages 
... and move them from _gtk_css_parser_error() to the proper new error
message.
 2019-04-12 19:34:28 +02:00
Benjamin Otte
9c862d7736 cross-fade: Make progress optional 
Now we accept progress being unset and then dynamically compute it
on-demand.
 2019-04-12 19:34:28 +02:00
Benjamin Otte
d99ae4b6c2 cross-fade: Use gtk_css_parser_consume_any() 
.. and gtk_css_parser_consume_function().

gtk_css_parser_consume_any() is a new function that implements the CSS
spec's any combinator ||.
 2019-04-12 19:34:28 +02:00
Benjamin Otte
96f9cbcabf cssimage: Make cross-fade() an array 
The new spec at https://drafts.csswg.org/css-images-4/#cross-fade-function
allows infinite images to cross-fade and we want to, too.
 2019-04-12 19:34:28 +02:00
Benjamin Otte
73b4a62f51 snapshot: Redo debug messages 
Instead of every snapshot function having debug messages, have an
explicit gtk_snapshot_push_debug() function that appends a debug node.
 2018-04-24 04:06:58 +02:00
Benjamin Otte
2b35332fd6 cssimage: Implement dynamicity for cross-fades 2018-03-16 06:04:44 +01:00
Benjamin Otte
83fb7a649f css: Merge GtkStyleProviderPrivate into GtkStyleProvider 
This is just lots of renaming.

The interface remains private, so the public API does not change, apart
from removing the definition of the Interface object to avoid
subclassing.
 2017-10-31 04:33:54 +01:00
Benjamin Otte
b58de2d16c snapshot: Redo pop() API 
gtk_snapshot_pop() => removed
gtk_snapshot_pop_and_append() => gtk_snapshot_pop()

So now there is no way to get a rendernode out of the snapshotting API
until you gtk_snapshot_finish().
 2017-01-13 03:38:36 +01:00
Benjamin Otte
d9b0685b49 Add gtk_snapshot_push_cross_fade() 
... and use it.

The function is a bit awkward because it requires 2 calls to
gtk_snapshot_pop(), but once you accept that, it's very convenient to
use, as can be seen by the 2 implementations.
 2017-01-13 03:38:36 +01:00
Alexander Larsson
65ad2541d7 Snapshot: Only record names if inspector is recording 
Otherwise we do a lot of allocations and vprintf calls which are
not used.
 2017-01-11 10:22:40 +01:00
Benjamin Otte
4c7ddbf519 cssimage: Fix cross-fade 
Simgle image cross-fade opacity was computed the wrong way, which caused
weird fade-in/out animations, for example in flat buttons.

I messed this up when porting cross-fades to snapshot().
 2017-01-11 02:53:12 +01:00
Benjamin Otte
8ad7c435ca cssimage: Implement snapshot() for cross-fade 2016-12-20 18:01:11 +01:00
Matthias Clasen
e51fd7cb18 css: Complete the cross-fade implementation 
We need to actually compute the images. Otherwise,
bad things happen when we try to draw.

https://bugzilla.gnome.org/show_bug.cgi?id=767391
 2016-09-06 06:38:50 -04:00
Benjamin Otte
de38435921 cssimagecrossfade: Fix order of images when parsing/printing 
The syntax is cross-fade(<percentage> <end>, <start>), not the
other way around. That's because the percentage refers to the end image.
 2016-02-15 04:41:12 +01:00
Benjamin Otte
a52ecd2be6 css: Add gtk_css_number_value_can_parse() 
Use it instead of _gtk_css_parser_has_number().

We need that once we introduce calc() support.
 2016-02-13 04:49:08 +01:00
Benjamin Otte
0bfbf39306 cssimage: Implement some equal functions 2012-11-01 12:27:31 +01:00
Benjamin Otte
558ffc24c2 cssimage: Make image transition a vfunc 2012-10-02 14:16:36 +02:00
Benjamin Otte
ee6f886434 cssimage: Make cross-fade code safe for non-integer sizes 
This includes sizes < 1px, which previously caused a SEGV.
 2012-09-17 20:39:13 +02:00
Benjamin Otte
eb6ad3562e cssimage: Implement (most of) current cross-fade syntax 
The CSS4 spec adapted their cross-fade syntax again. Yay!
(The previous parser was completely broken anyway...)
 2012-09-17 20:39:13 +02:00
Benjamin Otte
ea9081ae3b cssimage: Make cross-fades cross-fade properly 
We need to use OPERATOR_SOURCE to properly fade out the start image
when the end image contains transparency.
 2012-09-14 17:33:02 -04:00
Benjamin Otte
c9f01ffb43 cssimage: No need to pass base file anymore 
The file is now part of the GtkCssParser
 2012-05-11 16:42:12 +02:00
Benjamin Otte
d853a8f2f7 cssimage: Add GtkCssImageCrossFade 
Supports the cross-fade() css notation the way the old CSS3 specs did.

The main reason for adding it is supporting image transitions though.
 2012-04-17 08:59:16 +02:00