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Rendering improvements#3655

Merged
bsweeney merged 5 commits intomasterfrom
rendering-improvements
Sep 13, 2025
Merged

Rendering improvements#3655
bsweeney merged 5 commits intomasterfrom
rendering-improvements

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@bsweeney bsweeney commented Sep 1, 2025

  • Improves column width calculation for tables with fixed layout
  • Uses resampling instead of scaling for background images
  • Fully supports alpha list numbering
  • Fixes potential loss of space between text nodes during reflow
  • Fixes counter resolution when contained in elements with a content-defined width

@bsweeney bsweeney added this to the 3.1.1 milestone Sep 1, 2025
This was linked to issues Sep 1, 2025
css counters breaks when using inside tables #3611
Closed
Spaces between words collapsed in table header #3565
Closed
Bullet List - Incorrect enumeration - list-style-type: lower-alpha; #1545
Closed
Weird grid applied to all images when using background-image #3496
Closed
Fixed table layout ignores column widths #1432
Closed
Fixed table layout without table width breaks table rendering #2355
Closed
@bsweeney
Improve fixed table layout handling
46b2f02 
- Only use the fixed table layout algorithm if the table has a width.
- Calculate column widths using only the first row's cells.

see https://www.w3.org/TR/CSS2/tables.html#fixed-table-layout

fixes #2355
fixes #1432
@bsweeney
Scale background images using resample copy
a4ed8a2 
The quality of the results from imagescale vary depending on the image type and scaling mode. imagecopyresampled appears to produce more consistent results.

fixes #3496
@bsweeney
Support base26 numbering
0eb1c8f 
fixes #1545
@bsweeney
Include trimmed trailing whitespace when copying text nodes
5c117fc 
fixes #3565
@bsweeney
Pre-resolve content for all children of auto-width parent
1d37671 
Before this change Dompdf would only resolve content for in-flow children of auto-width (content-defined width) parents. Because content resolution also resolves counters this was resulting in incorrect counter resolution for out-of-flow elements (e.g. position: absolute) inside auto-width parents.

fixes #3611
@bsweeney bsweeney force-pushed the rendering-improvements branch from fabfdf1 to 1d37671 Compare September 13, 2025 19:04
@bsweeney bsweeney merged commit cbe7db0 into master Sep 13, 2025
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@bsweeney bsweeney deleted the rendering-improvements branch September 13, 2025 19:07
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