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* Revert "Use harfbuzz metrics for cairo fonts"Matthias Clasen2021-10-271-22/+21
| | | | | | This broke glyph extents with gravity north or west. This reverts commit 20ec670e124e4461075a2967faa29603d25106cc.
* Support for Catalan middle dot in word start and endJordi Mas2021-10-272-0/+67
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* CosmeticsMatthias Clasen2021-10-261-6/+6
| | | | Fold markers always just use 3 {, even when nested.
* CosmeticsMatthias Clasen2021-10-241-8/+16
| | | | Add default implementations for is_monospace and is_variable.
* Fix a typoMatthias Clasen2021-10-231-1/+1
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* Merge branch 'empty-line-height-attr-fix' into 'main'Matthias Clasen2021-10-203-39/+86
|\ | | | | | | | | | | | | Fix empty line heights Closes #421 See merge request GNOME/pango!481
| * Fix cursor pos height in some casesMatthias Clasen2021-10-191-18/+28
| | | | | | | | | | | | | | For empty runs, we were sometimes using line height, which may be scaled up by the line-height attribute. Fix that.
| * Fix empty line heightsMatthias Clasen2021-10-191-0/+24
| | | | | | | | | | | | Fix the calculation of line height for empty lines to take the line-height attributes into account like we do for non-empty lines.
| * Use harfbuzz metrics for cairo fontsMatthias Clasen2021-10-191-21/+22
| | | | | | | | | | | | | | Without this, we end up with differences in metrics of empty runs. Fixes: #421
| * pangocairo: Round font metrics when appropriateMatthias Clasen2021-10-191-1/+13
| | | | | | | | | | | | | | | | | | | | | | When metrics hinting is on, we used to provide rounded font metrics. We should keep doing that since otherwise we end up with logical rects sometimes being rounded and sometimes not, leading to jumping empty lines. Test included. Fixes: #421
* | Update Line Break to Unicode 14Peng Wu2021-10-121-2/+6
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* | Update pango-break-table.h to Unicode 14Peng Wu2021-10-091-209/+213
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* | Update pango-emoji-table.h to Unicode 14Peng Wu2021-10-091-21/+26
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* Merge branch 'fix-underlined-spaces' into 'main'Matthias Clasen2021-09-241-2/+2
|\ | | | | | | | | | | | | Underline spaces again Closes #613 See merge request GNOME/pango!478
| * Underline spaces againfix-underlined-spacesMatthias Clasen2021-09-241-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | in ada1bc9385d638e4c42, I switched to using ink rects for horizontal underline extents, to improve the placement of single-character underlines in the presence of kerning. I overlooked the fact that spaces don't have ink, so the change caused leading and trailing whitespace to not be underlined anymore. Fix this by using the union of ink and logical rectangles. Fixes: #613
* | Update script data for Unicode 14unicode-14-updatesMatthias Clasen2021-09-191-0/+6
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* layout: Fix static analysis warningsMatthias Clasen2021-09-171-4/+4
| | | | | These were showing up as warnings about garbage values in the gtk static-scan build.
* renderer: Fix static analysis warningsMatthias Clasen2021-09-171-1/+1
| | | | | Fix a warnings about garbage values that are showing up in the gtk static-scan build.
* Avoid a crashMatthias Clasen2021-09-011-5/+12
| | | | I was carelessly not initializing prev to NULL.
* Be more forgiving about attribute orderingMatthias Clasen2021-09-011-10/+16
| | | | | | | | | | | | We don't really have firm control over the way attributes are ordered in the list, so the assumtion that we see proper nesting for baseline shifts was a bit optimistic. Just look through all open stack items for a match, and remove that. Test included.
* Add docs for new attributesMatthias Clasen2021-09-011-0/+27
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* Merge branch 'baseline-shift' into 'main'Matthias Clasen2021-09-0110-90/+494
|\ | | | | | | | | Implement baseline shifts See merge request GNOME/pango!462
| * Add horizontal displacementMatthias Clasen2021-08-315-39/+78
| | | | | | | | | | | | | | | | | | | | | | Apply horizontal displacements for superscripts and subscripts that are provided in font metrics. This noticably improves the placement of superscripts in italics. Currently, we only apply these displacements in post-processing, and ignore the width changes during line-breaking. This could be improved by moving the baseline handling into the line-breaking proper.
| * markup: Change <sup> and <sub>Matthias Clasen2021-08-311-18/+4
| | | | | | | | | | | | | | | | Use the new baseline-shift and font-scale attributes to reimplement <sup> and <sub>. Now they take font metrics into account and nest properly.
| * Implement font-dependent scalingMatthias Clasen2021-08-315-21/+216
| | | | | | | | | | | | | | Add a new font-scale attribute to indicate font size changes due to super- and subscript shifts, and handle it during item post-processing to find the right font sizes.
| * Implement baseline shiftsMatthias Clasen2021-08-317-45/+230
| | | | | | | | | | | | | | | | | | | | | | Add a new baseline-shift attribute, which is similar to rise, but accumulates. In addition, it supports font- relative values such as superscript and subscript. We implement support for this by computing baseline shifts for run during line post-processing, and storing them in the runs. The renderer now takes these shifts into account when rendering layout lines.
| * Make ellipsize code saferMatthias Clasen2021-08-311-2/+1
| | | | | | | | | | | | We are going to add new fields to PangoGlyphItem, so zero-initialize the one we are allocating here in ellipsize.c.
* | shape: Mark color glyphs in glyphstringsMatthias Clasen2021-09-012-2/+47
| | | | | | | | | | GTK needs this information to decide how to render the glyphs, so provide it.
* | font: Add more autoptr cleanupMatthias Clasen2021-08-311-0/+2
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* | fonts: Redo the get_face implementationMatthias Clasen2021-08-312-2/+12
|/ | | | | Now that we have a private class, we can retire the misplaced vfunc in the fontmap class.
* coretext: Set size on font descriptionsMatthias Clasen2021-08-312-2/+12
| | | | | | | | Set a size on the font description returned by pango_font_describe(). Otherwise, scaling it doesn't work. Fixes: #610
* layout: Use pango_glyph_string_index_to_x_fullMatthias Clasen2021-08-291-18/+35
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* Don't compute log attrs on demandMatthias Clasen2021-08-291-15/+3
| | | | If we don't have them, just do the fallback.
* Add pango_glyph_string_index_to_x_fullMatthias Clasen2021-08-292-24/+72
| | | | | | This variant of pango_glyph_string_index_to_x takes log attrs so it does not have to compute them when it needs them to determine grapheme boundaries.
* Try harder to disect clustersMatthias Clasen2021-08-291-15/+34
| | | | | | | | | | We need to take into account whether the characters we are counting are actually cursor positions, else we are bound to look for more carets than the font has available, sometimes. This change would benefit from passing log attrs into pango_glyph_string_index_to_x.
* Add pango_layout_iter_get_run_baselineMatthias Clasen2021-08-292-0/+18
| | | | This is useful information.
* layout: Apply rise to cluster extentsMatthias Clasen2021-08-291-0/+6
| | | | This has been broken all along. :(
* Add a missing semicolonMatthias Clasen2021-08-291-1/+1
| | | | This broke the msvc build.
* Add autoptr cleanup funcsMatthias Clasen2021-08-282-0/+5
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* font: Add a vfunc for pango_font_has_charMatthias Clasen2021-08-282-4/+16
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* fcfont: CosmeticsMatthias Clasen2021-08-282-3/+1
| | | | Remove a few duplicated lines and typos.
* layout: Allocate a bit lessMatthias Clasen2021-08-281-7/+11
| | | | | Instead of throwing away the log_widths array for every run, keep it around and grow it as needed.
* Merge branch 'item-offset' into 'main'Matthias Clasen2021-08-287-55/+138
|\ | | | | | | | | Keep offsets for items See merge request GNOME/pango!451
| * layout: Use char_offset in a few placesitem-offsetMatthias Clasen2021-08-281-23/+9
| | | | | | | | There is more we can do here, but this is a start.
| * item: Add a char offsetMatthias Clasen2021-08-284-9/+106
| | | | | | | | | | | | | | | | | | | | | | | | | | Add a char_offset field to PangoItem, compute it as part of itemization and update it when splitting items. Keeping this number around cuts down on the amount of list and utf8 walking we need to do later. We have to do some extra shenanigans to preserve abi in the face of pango's open-coded structs, so we introduce a PangoItemPrivate type that is used internally. On 64bit, PangoItem has a 4 byte whole, so we can keep the size of PangoItemPrivate the same. No such luck on 32bit.
| * CosmeticMatthias Clasen2021-08-283-23/+23
| | | | | | | | | | | | Improve the itemization code to have all variants take the same code paths, so we can do fixups in one place.
* | Merge branch 'underline-kerning' into 'main'Matthias Clasen2021-08-281-6/+6
|\ \ | | | | | | | | | | | | | | | | | | renderer: Use ink rects for line lengths Closes #139 See merge request GNOME/pango!448
| * | renderer: Use ink rects for line lengthsunderline-kerningMatthias Clasen2021-08-271-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | When rendering underlines and the like, we should use ink extents, since the logical extents will get shortened by kerning, which can be pretty noticable when underlining individual glyphs, such as the T in To. Fixes: #139
* | | -Wincompatible-pointer-typescoretext-warningsKhaled Hosny2021-08-281-1/+1
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* | | -Wincompatible-pointer-types-discards-qualifiersKhaled Hosny2021-08-281-1/+1
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