119 lines
4.3 KiB
C++
119 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* This file incorporates work covered by the following license notice:
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed
|
|
* with this work for additional information regarding copyright
|
|
* ownership. The ASF licenses this file to you under the Apache
|
|
* License, Version 2.0 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
|
|
*/
|
|
|
|
#include <sal/config.h>
|
|
|
|
#if defined __clang__
|
|
#pragma clang diagnostic push
|
|
#pragma clang diagnostic ignored "-Wunused-value"
|
|
#endif
|
|
#if defined __GNUC__ && !defined __clang__
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wunused-value"
|
|
#endif
|
|
|
|
#include <skia/x11/textrender.hxx>
|
|
|
|
#include <unx/fc_fontoptions.hxx>
|
|
#include <unx/freetype_glyphcache.hxx>
|
|
#include <vcl/svapp.hxx>
|
|
#include <sallayout.hxx>
|
|
#include <skia/gdiimpl.hxx>
|
|
|
|
#include <SkFont.h>
|
|
#include <SkFontMgr_fontconfig.h>
|
|
#include <SkFontTypes.h>
|
|
|
|
#if defined __GNUC__ && !defined __clang__
|
|
#pragma GCC diagnostic pop
|
|
#endif
|
|
#if defined __clang__
|
|
#pragma clang diagnostic pop
|
|
#endif
|
|
|
|
void SkiaTextRender::DrawTextLayout(const GenericSalLayout& rLayout, const SalGraphics& rGraphics)
|
|
{
|
|
const FreetypeFontInstance& rInstance = static_cast<FreetypeFontInstance&>(rLayout.GetFont());
|
|
const FreetypeFont& rFont = rInstance.GetFreetypeFont();
|
|
const vcl::font::FontSelectPattern& rFSD = rInstance.GetFontSelectPattern();
|
|
if (rFSD.mnHeight == 0)
|
|
return;
|
|
double nHeight = rFSD.mnHeight;
|
|
double nWidth = rFSD.mnWidth ? rFSD.mnWidth : nHeight;
|
|
|
|
if (!fontManager)
|
|
{
|
|
// Get the global FcConfig that our VCL fontconfig code uses, and refcount it.
|
|
fontManager = SkFontMgr_New_FontConfig(FcConfigReference(nullptr));
|
|
}
|
|
sk_sp<SkTypeface> typeface
|
|
= SkFontMgr_createTypefaceFromFcPattern(fontManager, rFont.GetFontOptions()->GetPattern());
|
|
SkFont font(typeface);
|
|
font.setSize(nHeight);
|
|
font.setScaleX(nWidth / nHeight);
|
|
if (rInstance.NeedsArtificialItalic())
|
|
font.setSkewX(-1.0 * ARTIFICIAL_ITALIC_SKEW);
|
|
if (rInstance.NeedsArtificialBold())
|
|
font.setEmbolden(true);
|
|
|
|
bool bSubpixelPositioning = rLayout.GetSubpixelPositioning();
|
|
SkFont::Edging ePreferredAliasing
|
|
= bSubpixelPositioning ? SkFont::Edging::kSubpixelAntiAlias : SkFont::Edging::kAntiAlias;
|
|
if (bSubpixelPositioning)
|
|
{
|
|
// note that SkFont defaults to a BaselineSnap of true, so I think really only
|
|
// subpixel in text direction
|
|
font.setSubpixel(true);
|
|
|
|
SkFontHinting eHinting = font.getHinting();
|
|
static bool bAllowDefaultHinting = getenv("SAL_ALLOW_DEFAULT_HINTING") != nullptr;
|
|
bool bAllowedHintStyle
|
|
= bAllowDefaultHinting
|
|
|| (eHinting == SkFontHinting::kNone || eHinting == SkFontHinting::kSlight);
|
|
if (!bAllowedHintStyle)
|
|
font.setHinting(SkFontHinting::kSlight);
|
|
}
|
|
|
|
font.setEdging(rFont.GetAntialiasAdvice() ? ePreferredAliasing : SkFont::Edging::kAlias);
|
|
|
|
// Vertical font, use width as "height".
|
|
SkFont verticalFont(font);
|
|
verticalFont.setSize(nWidth);
|
|
verticalFont.setScaleX(nHeight / nWidth);
|
|
|
|
assert(dynamic_cast<SkiaSalGraphicsImpl*>(rGraphics.GetImpl()));
|
|
SkiaSalGraphicsImpl* impl = static_cast<SkiaSalGraphicsImpl*>(rGraphics.GetImpl());
|
|
impl->drawGenericLayout(rLayout, mnTextColor, font, verticalFont);
|
|
}
|
|
|
|
void SkiaTextRender::ClearDevFontCache() { fontManager.reset(); }
|
|
|
|
#if 0
|
|
// SKIA TODO
|
|
void FontConfigFontOptions::cairo_font_options_substitute(FcPattern* pPattern)
|
|
{
|
|
ImplSVData* pSVData = ImplGetSVData();
|
|
const cairo_font_options_t* pFontOptions = pSVData->mpDefInst->GetCairoFontOptions();
|
|
if( !pFontOptions )
|
|
return;
|
|
cairo_ft_font_options_substitute(pFontOptions, pPattern);
|
|
}
|
|
#endif
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|