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Diffstat (limited to 'vcl/skia/x11/textrender.cxx')
-rw-r--r-- | vcl/skia/x11/textrender.cxx | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/vcl/skia/x11/textrender.cxx b/vcl/skia/x11/textrender.cxx new file mode 100644 index 000000000..13eff3012 --- /dev/null +++ b/vcl/skia/x11/textrender.cxx @@ -0,0 +1,80 @@ +/* -*- 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 <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> + +void SkiaTextRender::DrawTextLayout(const GenericSalLayout& rLayout, const SalGraphics& rGraphics) +{ + const FreetypeFontInstance& rInstance = static_cast<FreetypeFontInstance&>(rLayout.GetFont()); + const FreetypeFont& rFont = rInstance.GetFreetypeFont(); + const FontSelectPattern& rFSD = rInstance.GetFontSelectPattern(); + int nHeight = rFSD.mnHeight; + int nWidth = rFSD.mnWidth ? rFSD.mnWidth : nHeight; + if (nWidth == 0 || nHeight == 0) + return; + + if (FreetypeFont::AlmostHorizontalDrainsRenderingPool(nWidth * 10 / nHeight, rFSD)) + return; + + 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, nHeight); + // TODO are these correct? + if (rFont.NeedsArtificialItalic()) + font.setSkewX(-0x6000L / 0x10000L); + if (rFont.NeedsArtificialBold()) + font.setEmbolden(true); + font.setEdging(rFont.GetAntialiasAdvice() ? SkFont::Edging::kAntiAlias + : SkFont::Edging::kAlias); + + assert(dynamic_cast<SkiaSalGraphicsImpl*>(rGraphics.GetImpl())); + SkiaSalGraphicsImpl* impl = static_cast<SkiaSalGraphicsImpl*>(rGraphics.GetImpl()); + impl->drawGenericLayout(rLayout, mnTextColor, font, + SkiaSalGraphicsImpl::GlyphOrientation::Apply); +} + +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: */ |