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x.ttf: update to fix compilation of vlang/pdf and failing ci (#15109)

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penguindark 2022-07-17 18:44:11 +02:00 committed by GitHub
parent eed496d0bc
commit 706a922e0c
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1 changed files with 40 additions and 0 deletions
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vlib/x/ttf/ttf.v
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@ -88,6 +88,8 @@ pub mut:
metric_data_format i16
num_of_long_hor_metrics u16
kern []Kern0Table
// panose
panose_array []u8 = []u8{len: 12, init: 0}
// cache
glyph_cache map[int]Glyph
// font widths array scale for PDF export
@ -102,6 +104,7 @@ pub fn (mut tf TTF_File) init() {
tf.read_cmap_table()
tf.read_hhea_table()
tf.read_kern_table()
tf.read_panose_table()
tf.length = tf.glyph_count()
dprintln('Number of symbols: $tf.length')
dprintln('*****************************')
@ -1088,6 +1091,43 @@ pub fn (mut tf TTF_File) next_kern(glyph_index int) (int, int) {
return x, y
}
/******************************************************************************
*
* Panose table
*
******************************************************************************/
fn (mut tf TTF_File) read_panose_table() {
dprintln('*** READ PANOSE TABLE ***')
if 'OS/2' !in tf.tables {
return
}
table_offset := tf.tables['OS/2'].offset
tf.pos = table_offset
// dprintln('READING! PANOSE offset:${tf.tables['OS/2']}')
version := tf.get_u16()
dprintln('Panose version: ${version:04x}')
tf.pos += 2 * 14 // move to Panose class + 10 byte array
mut count := 0
// get family
family_class := tf.get_i16()
tf.panose_array[count] = u8(family_class >> 8)
count++
tf.panose_array[count] = u8(family_class & 0xFF)
count++
dprintln('family_class: ${family_class:04x}')
// get panose data
for _ in 0 .. 10 {
tf.panose_array[count] = tf.get_u8()
count++
}
// family_class1 := (i16(tf.panose_array[0]) << 8) + i16(tf.panose_array[1])
// dprintln("family_class: ${family_class1:04x}")
// dprintln("Panose array: ${tf.panose_array}")
}
/******************************************************************************
*
* TTF_File Utility