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126 Commits

Author SHA1 Message Date
Kovid Goyal
df475dfde5 Fix indentation 2020-08-06 17:55:02 +05:30
Kovid Goyal
5555a66638 Adjust cell height automatically for buggy fonts that draw brackets outside the bounding box 
See https://github.com/cormullion/juliamono/issues/14
 2020-08-06 14:06:06 +05:30
Kovid Goyal
e678c41f56 More code scanning warning fixes 2020-07-07 10:24:57 +05:30
Kovid Goyal
ee3462592a Silence more code scanning warnings 2020-07-07 10:01:38 +05:30
Kovid Goyal
ee47a10b37 Simplify code a bit 2020-07-07 09:44:51 +05:30
Kovid Goyal
209b78a3ec Silence a code scanning warning 2020-07-07 09:20:59 +05:30
Kovid Goyal
a325a5fdee Merge branch 'strikethrough-info-from-font' of https://github.com/trygveaa/kitty 2020-03-31 09:34:07 +05:30
Trygve Aaberge
931e91f1a7 Read strikethrough info from font when using FreeType 
This reads the strikethrough position and thickness from the font so it
is rendered correctly.

This is only implemented for FreeType, not Core Text, because I didn't
find any way to get the info from Core Text, and I don't have a Mac to
test it on either. When using Core Text or when the font doesn't provide
the info, the same approximation as before is used.
 2020-03-30 20:09:30 +02:00
Kovid Goyal
0d68b7078c Check for float conversion issues on build 
Useful to catch any errors left over from the migration of times from
double to int64_t
 2019-09-27 19:47:25 +05:30
Kovid Goyal
57542fc204 Only disable liga and dlig for nimbus mono 2019-08-10 08:22:36 +05:30
Kovid Goyal
cde69670ba Linux: Fix incorrect scaling for fallback fonts when the font has an underscore that renders out of bounds 
The calc_cell_height() function should not use underscore heights when
called in contexts other than cell metrics calculation.

Fixes #1713
 2019-06-30 08:51:35 +05:30
Kovid Goyal
1ae32b5742 Linux: Automatically increase cell height if the font being used is broken and draws the underscore outside the bounding box 
See #690
 2019-05-29 16:04:50 +05:30
Jerome Reybert
e6217e1428 Fix warning with old freetype headers 
On Centos 7.6, build produces the following warnings:

    kitty/freetype.c: In function ‘render_bitmap’:
    kitty/freetype.c:369:36: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
             for (unsigned int i = 0; i < bitmap.rows; ++i) {
                                        ^
    kitty/freetype.c:371:40: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
                 for (unsigned int j = 0; j < bitmap.width; ++j) bitmap.buffer[i * stride + j] *= 255;
 2019-05-24 11:57:08 +02:00
Kovid Goyal
f61dfb0828 Fix warning on older compilers 2019-05-24 12:07:24 +05:30
Kovid Goyal
4fff84b4b9 Add void to all function declarations for functions that take no arguments 
Micro-optimization for some architectures. Enforced via
-Wstrict-prototypes
 2019-05-13 11:04:21 +05:30
Kovid Goyal
c181919a57 Fix rendering of simple strings with FreeType 2019-03-04 19:54:10 +05:30
Kovid Goyal
11522ccc92 Initial code to show window size in cells while resizing 2019-03-04 19:54:10 +05:30
Kovid Goyal
bb97c589c1 FreeType code to render a simple string 2019-03-04 19:54:09 +05:30
Kovid Goyal
719a9a5b64 Fix #1428 2019-02-28 18:05:52 +05:30
Kovid Goyal
d5366a421f ... 2018-12-03 21:35:03 +05:30
Kovid Goyal
3d5977669e Micro optimization 2018-12-03 20:04:58 +05:30
Kovid Goyal
36da668e6f Forgot to fill bitmap offset data when rendering colored glyphs 2018-12-03 20:00:24 +05:30
Kovid Goyal
222beedc2a Fix freetype based rendering of non-hinted fonts at small sizes 
Now use the post hinting bitmap bearing values instead of the hinting
independent glyph metrics bearing values. Fixes #1173
 2018-12-02 14:12:46 +05:30
Kovid Goyal
ee31ba0c76 Merge branch 'multi-pua' of https://github.com/blueyed/kitty 2018-10-30 11:49:05 +05:30
Kovid Goyal
bd5a85a4e7 Fix compilation on ancient linux distros 2018-10-24 08:40:25 +05:30
Kovid Goyal
631f97eb26 Linux: Fix a crash when using the GNU Unifont as a fallback font 
Fixes #1087
 2018-10-24 08:20:37 +05:30
Kovid Goyal
0c0ce4844c Dont use deprecated FT_Bitmap_New 2018-10-24 07:07:57 +05:30
Daniel Hahler
12cfe6d1d1 render_line: use cells based on bitmap width 
[ci skip]
 2018-09-29 18:38:53 +02:00
Daniel Hahler
fec5a80b89 Init bm 
Not sure why this became necessary though?!

Fixes:

    Linking kitty/fast_data_types ...
    kitty/freetype.c: In function ‘render_glyphs_in_cells’:
    kitty/freetype.c:514:82: warning: ‘bm.right_edge’ may be used uninitialized in this function [-Wmaybe-uninitialized]
             if (num_cells > 1 && right_edge < canvas_width && (delta = (canvas_width - right_edge) / 2) && delta > 1) {
                                                                                      ^
    kitty/freetype.c:490:21: note: ‘bm.right_edge’ was declared here
         ProcessedBitmap bm;
                         ^
 2018-09-29 16:20:10 +02:00
Daniel Hahler
1d50a188c4 render_glyphs_in_cells: skip centering glyph for PUA 2018-09-29 16:19:53 +02:00
Kovid Goyal
ab65b9b2fb Do not convert bitmaps when loading a glyph to access its metrics 2018-09-09 09:46:19 +05:30
Kovid Goyal
f7a621f89f Use bitmap pitch to iterate over pixels 2018-09-09 09:42:51 +05:30
Kovid Goyal
b808a05e5e Clean up monochrome bitmap support code 2018-09-09 08:33:32 +05:30
ismed
739ed906f0 Use the old FT_Bitmap_New for backward compatibility 2018-09-08 21:07:38 +01:00
ismed
9fd462077a Add support for embedded bitmap glyphs 2018-09-08 20:22:48 +01:00
Luflosi
1d91edfb00 dont -> don't 2018-08-29 03:18:25 +02:00
Kovid Goyal
cc767061cc Linux: Fix compilation with python 3.7 
Fixes #714
 2018-07-10 18:47:05 +05:30
Kovid Goyal
df9eab279a Implement changing the font size for individual top level (OS) windows 2018-05-27 12:37:49 +05:30
Kovid Goyal
523aadaa3b Refactor font group handling 
Allow kitty to manage multiple groups of fonts with different cell
sizes. Will eventually allow kitty to have different font sizes/dpi per
OSWindow
 2018-05-27 12:37:05 +05:30
Kovid Goyal
2a99ef254f Dont segfault when printing a freetype font object with a NULL postscript name 2018-05-17 19:49:31 +05:30
Kovid Goyal
aa18429a8c DRYer 2018-04-22 21:22:08 +05:30
Kovid Goyal
9c43707f40 Make the hinting defaults zero when missing 2018-04-22 20:34:00 +05:30
Kovid Goyal
99ff92a5a7 Don't fail to start if the user deletes the hintstyle key from their fontconfig configuration. Fixes #480 2018-04-22 20:29:46 +05:30
Kovid Goyal
d866c0d202 Fix NULL return without error set 2018-04-22 20:19:21 +05:30
Kovid Goyal
ce85382c68 Revert the change to use rendered bitmap width to calculate cell width 
Instead if the bitmap is up to two pixels wider than the cell width
simply crop on the right. Fixes #352
 2018-03-30 18:54:15 +05:30
Kovid Goyal
b3b216a6dc ... 2018-03-27 12:09:18 +05:30
Kovid Goyal
431564c8bc Linux: When calculating cell widths use the actual rendered bitmap width in addition to the horizontal advance reported by FreeType. 
The horizontal advance is insufficient for some fonts at some point
sizes. So although rendering the characters is slower, we do it
to ensure cell width is correct. Fixes #352
 2018-03-27 12:04:38 +05:30
Kovid Goyal
527255e3a1 Fix compilation with gcc 8 
Apparently some nitwit Linux distros have made an unreleased compiler
their default compiler. Fixes #376

Fixes various new warnings that GCC 8 issues
 2018-03-12 10:38:12 +05:30
Kovid Goyal
59a5e23466 Almost always resize glyphs that are too wide 
When using FreeType, rescale glyphs that dont fit if they are more than
1px wider than the cell rather than 25% of the cell width. This matches
the behavior of CoreText and is needed for rendering the various Emoji
with default text presentation (i.e. emoji that have wcwidth() == 1)
 2018-02-05 09:21:14 +05:30
Kovid Goyal
c74f4a8165 Fix extra columns cut-off from the right edge of italic characters that are too wide to fit in a cell 2018-01-28 10:06:39 +05:30