blob: f7639b81043846a83e1934244657727c8192169a [file] [log] [blame]
/*
* 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 "include/utils/SkTextUtils.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkFont.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkPath.h"
#include "include/core/SkPoint.h"
#include "include/core/SkScalar.h"
#include "include/core/SkTextBlob.h"
#include "include/private/base/SkTemplates.h"
#include "src/core/SkFontPriv.h"
using namespace skia_private;
class SkPaint;
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);
AutoTArray<SkPoint> pos(ag.count());
font.getPos(ag.glyphs(), ag.count(), pos.get(), {x, y});
struct Rec {
SkPath* fDst;
const SkPoint* fPos;
} rec = { path, pos.get() };
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);
}