From db11935940567444dd230820da9a14acef0c96c2 Mon Sep 17 00:00:00 2001 From: JUN JIE NAN Date: Wed, 12 Jun 2019 14:53:58 +0800 Subject: Added UTF8CutFont With function `UTF8CutFont`, customized ttf font file(usually with small size) can be generated via gofpdf. --- utf8fontfile.go | 16 +++ utf8fontfile_test.go | 380 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 396 insertions(+) create mode 100644 utf8fontfile_test.go diff --git a/utf8fontfile.go b/utf8fontfile.go index 794bae2..07cf169 100644 --- a/utf8fontfile.go +++ b/utf8fontfile.go @@ -1138,3 +1138,19 @@ func keySortArrayRangeMap(s map[int][]int) []int { sort.Ints(keys) return keys } + +// UTF8CutFont cuts a set in cutset and returns the customized font bytes +// Parameters: +// in - the ttf bytes in, +// cutset - the cutset runes in string, +// Returns: +// out - the ttf bytes out, +func UTF8CutFont(in []byte, cutset string) (out []byte) { + f := newUTF8Font(&fileReader{readerPosition: 0, array: in}) + runes := map[int]int{} + for i, r := range cutset { + runes[i] = int(r) + } + out = f.GenerateСutFont(runes) + return +} diff --git a/utf8fontfile_test.go b/utf8fontfile_test.go new file mode 100644 index 0000000..0d808be --- /dev/null +++ b/utf8fontfile_test.go @@ -0,0 +1,380 @@ +/* + * Copyright (c) 2013-2019 Kurt Jung (Gmail: kurt.w.jung) + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +package gofpdf + +import ( + "io/ioutil" + "os" + "testing" +) + +var testFontData = []byte{ + 0, 1, 0, 0, 0, 10, 0, 128, 0, 3, 0, 32, 79, 83, 47, 50, 159, + 99, 23, 238, 0, 0, 0, 172, 0, 0, 0, 96, 99, 109, 97, 112, 206, + 122, 158, 30, 0, 0, 1, 12, 0, 0, 0, 98, 103, 108, 121, 102, 42, + 32, 194, 143, 0, 0, 1, 112, 0, 0, 4, 76, 104, 101, 97, 100, 17, + 101, 20, 54, 0, 0, 5, 188, 0, 0, 0, 54, 104, 104, 101, 97, 12, + 17, 9, 201, 0, 0, 5, 244, 0, 0, 0, 36, 104, 109, 116, 120, 27, + 88, 2, 101, 0, 0, 6, 24, 0, 0, 0, 28, 108, 111, 99, 97, 3, 252, + 5, 12, 0, 0, 6, 52, 0, 0, 0, 16, 109, 97, 120, 112, 0, 49, 1, + 111, 0, 0, 6, 68, 0, 0, 0, 32, 110, 97, 109, 101, 33, 238, 45, + 114, 0, 0, 6, 100, 0, 0, 13, 229, 112, 111, 115, 116, 255, 134, + 0, 50, 0, 0, 20, 76, 0, 0, 0, 32, 0, 3, 3, 211, 1, 144, 0, 5, + 0, 0, 2, 138, 2, 88, 0, 0, 0, 75, 2, 138, 2, 88, 0, 0, 1, 94, + 0, 50, 1, 69, 0, 0, 2, 11, 5, 0, 0, 0, 0, 0, 0, 0, 48, 0, 0, + 3, 43, 223, 60, 16, 0, 0, 0, 22, 0, 0, 0, 0, 71, 79, 79, 71, + 0, 64, 0, 0, 255, 255, 3, 112, 255, 136, 0, 0, 4, 136, 1, 64, + 96, 46, 1, 7, 0, 0, 0, 0, 2, 31, 2, 221, 0, 0, 0, 32, 0, 6, 0, + 0, 0, 1, 0, 3, 0, 1, 0, 0, 0, 12, 0, 4, 0, 80, 0, 0, 0, 14, 0, + 8, 0, 2, 0, 6, 78, 45, 89, 125, 96, 168, 101, 135, 255, 1, 255, + 12, 255, 255, 0, 0, 78, 45, 89, 125, 96, 168, 101, 135, 255, + 1, 255, 12, 255, 255, 177, 212, 166, 133, 159, 91, 154, 125, + 1, 5, 0, 249, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 0, 2, 0, 3, 0, 4, 0, 6, 0, 5, 0, 0, 0, 0, 0, 5, 0, 100, + 255, 136, 3, 132, 3, 112, 0, 3, 0, 6, 0, 9, 0, 12, 0, 15, 0, + 0, 23, 17, 33, 17, 1, 1, 33, 1, 1, 17, 1, 33, 1, 1, 17, 1, 100, + 3, 32, 254, 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chars[uint16(rune('中'))]; !ok { + t.Fatal(chars) + } +} -- cgit v1.2.1-24-ge1ad