51012ce332
Use the new node type for SkottieSlide2 labels. TBR= Change-Id: Icd6a4faf1c281bd83a2331c0072d1a6ed71acc09 Reviewed-on: https://skia-review.googlesource.com/102441 Reviewed-by: Florin Malita <fmalita@chromium.org> Commit-Queue: Florin Malita <fmalita@chromium.org>
78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
/*
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* Copyright 2018 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkSGText.h"
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#include "SkCanvas.h"
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#include "SkPaint.h"
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#include "SkPath.h"
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#include "SkTArray.h"
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#include "SkTextBlob.h"
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#include "SkTypeface.h"
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namespace sksg {
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sk_sp<Text> Text::Make(sk_sp<SkTypeface> tf, const SkString& text) {
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return sk_sp<Text>(new Text(std::move(tf), text));
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}
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Text::Text(sk_sp<SkTypeface> tf, const SkString& text)
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: fTypeface(std::move(tf))
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, fText(text) {}
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Text::~Text() = default;
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SkRect Text::onRevalidate(InvalidationController*, const SkMatrix&) {
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// TODO: we could potentially track invals which don't require rebuilding the blob.
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SkPaint font;
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font.setFlags(fFlags);
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font.setTypeface(fTypeface);
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font.setTextSize(fSize);
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font.setTextScaleX(fScaleX);
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font.setTextSkewX(fSkewX);
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font.setTextAlign(fAlign);
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font.setHinting(fHinting);
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// First, convert to glyphIDs.
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font.setTextEncoding(SkPaint::kUTF8_TextEncoding);
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SkSTArray<256, SkGlyphID, true> glyphs;
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glyphs.reset(font.textToGlyphs(fText.c_str(), fText.size(), nullptr));
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SkAssertResult(font.textToGlyphs(fText.c_str(), fText.size(), glyphs.begin()) == glyphs.count());
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font.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
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// Next, build the cached blob.
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SkTextBlobBuilder builder;
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const auto& buf = builder.allocRun(font, glyphs.count(), 0, 0, nullptr);
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if (!buf.glyphs) {
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fBlob.reset();
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return SkRect::MakeEmpty();
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}
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memcpy(buf.glyphs, glyphs.begin(), glyphs.count() * sizeof(SkGlyphID));
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fBlob = builder.make();
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return fBlob
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? fBlob->bounds().makeOffset(fPosition.x(), fPosition.y())
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: SkRect::MakeEmpty();
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}
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void Text::onDraw(SkCanvas* canvas, const SkPaint& paint) const {
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canvas->drawTextBlob(fBlob, fPosition.x(), fPosition.y(), paint);
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}
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SkPath Text::onAsPath() const {
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// TODO
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return SkPath();
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}
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void Text::onClip(SkCanvas* canvas, bool antiAlias) const {
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canvas->clipPath(this->asPath(), antiAlias);
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}
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} // namespace sksg
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