1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
| /*
| * Copyright 2018 Google Inc.
| *
| * Use of this source code is governed by a BSD-style license that can be
| * found in the LICENSE file.
| */
|
| #include "SkFontPriv.h"
| #include "SkPath.h"
| #include "SkTextUtils.h"
| #include "SkTextBlob.h"
|
| void SkTextUtils::Draw(SkCanvas* canvas, const void* text, size_t size, SkTextEncoding encoding,
| SkScalar x, SkScalar y, const SkFont& font, const SkPaint& paint,
| Align align) {
| if (align != kLeft_Align) {
| SkScalar width = font.measureText(text, size, encoding);
| if (align == kCenter_Align) {
| width *= 0.5f;
| }
| x -= width;
| }
|
| canvas->drawTextBlob(SkTextBlob::MakeFromText(text, size, font, encoding), x, y, paint);
| }
|
| void SkTextUtils::GetPath(const void* text, size_t length, SkTextEncoding encoding,
| SkScalar x, SkScalar y, const SkFont& font, SkPath* path) {
| SkAutoToGlyphs ag(font, text, length, encoding);
| SkAutoTArray<SkPoint> pos(ag.count());
| font.getPos(ag.glyphs(), ag.count(), &pos[0], {x, y});
|
| struct Rec {
| SkPath* fDst;
| const SkPoint* fPos;
| } rec = { path, &pos[0] };
|
| path->reset();
| font.getPaths(ag.glyphs(), ag.count(), [](const SkPath* src, const SkMatrix& mx, void* ctx) {
| Rec* rec = (Rec*)ctx;
| if (src) {
| SkMatrix m(mx);
| m.postTranslate(rec->fPos->fX, rec->fPos->fY);
| rec->fDst->addPath(*src, m);
| }
| rec->fPos += 1;
| }, &rec);
| }
|
|
