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b3ea3fa801
Although this makes some places more complicated, code should generally be simpler and clearer. It could slightly improve performance on x64 for functions with more than four parameters, since it makes more data be passed via registers rather than the stack. MozReview-Commit-ID: D0GM2Jyrr6W --HG-- extra : source : bd88a2e478e23edf1845f724a32fef908c8cc007
84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsFontFaceList.h"
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#include "nsFontFace.h"
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#include "nsFontFaceLoader.h"
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#include "nsIFrame.h"
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#include "gfxTextRun.h"
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#include "mozilla/gfx/2D.h"
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nsFontFaceList::nsFontFaceList()
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{
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}
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nsFontFaceList::~nsFontFaceList()
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{
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}
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////////////////////////////////////////////////////////////////////////
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// nsISupports
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NS_IMPL_ISUPPORTS(nsFontFaceList, nsIDOMFontFaceList)
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////////////////////////////////////////////////////////////////////////
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// nsIDOMFontFaceList
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NS_IMETHODIMP
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nsFontFaceList::Item(uint32_t index, nsIDOMFontFace **_retval)
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{
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NS_ENSURE_TRUE(index < mFontFaces.Count(), NS_ERROR_INVALID_ARG);
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uint32_t current = 0;
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nsIDOMFontFace* result = nullptr;
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for (auto iter = mFontFaces.Iter(); !iter.Done(); iter.Next()) {
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if (current == index) {
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result = iter.UserData();
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break;
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}
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current++;
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}
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NS_ASSERTION(result != nullptr, "null entry in nsFontFaceList?");
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NS_IF_ADDREF(*_retval = result);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsFontFaceList::GetLength(uint32_t *aLength)
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{
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*aLength = mFontFaces.Count();
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////
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// nsFontFaceList
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nsresult
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nsFontFaceList::AddFontsFromTextRun(gfxTextRun* aTextRun,
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uint32_t aOffset, uint32_t aLength)
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{
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gfxTextRun::Range range(aOffset, aOffset + aLength);
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gfxTextRun::GlyphRunIterator iter(aTextRun, range);
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while (iter.NextRun()) {
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gfxFontEntry *fe = iter.GetGlyphRun()->mFont->GetFontEntry();
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// if we have already listed this face, just make sure the match type is
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// recorded
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nsFontFace* existingFace =
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static_cast<nsFontFace*>(mFontFaces.GetWeak(fe));
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if (existingFace) {
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existingFace->AddMatchType(iter.GetGlyphRun()->mMatchType);
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} else {
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// A new font entry we haven't seen before
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RefPtr<nsFontFace> ff =
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new nsFontFace(fe, aTextRun->GetFontGroup(),
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iter.GetGlyphRun()->mMatchType);
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mFontFaces.Put(fe, ff);
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}
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}
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return NS_OK;
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}
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