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Diffstat (limited to 'vcl/inc/unx/salgdi.h')
| -rw-r--r-- | vcl/inc/unx/salgdi.h | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/vcl/inc/unx/salgdi.h b/vcl/inc/unx/salgdi.h new file mode 100644 index 000000000..045a3848e --- /dev/null +++ b/vcl/inc/unx/salgdi.h @@ -0,0 +1,208 @@ +/* -*- 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 . + */ + +#pragma once + +#include <sal/config.h> + +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#include <X11/extensions/Xrender.h> + +#include <vcl/salgtype.hxx> +#include <vcl/vclenum.hxx> + +#include <unx/saldisp.hxx> +#include <salgdi.hxx> +#include <salgeom.hxx> +#include <sallayout.hxx> +#include <vclpluginapi.h> +#include <ControlCacheKey.hxx> + +#include "saltype.h" +#include "saldisp.hxx" + +#include <memory> + +/* From <X11/Intrinsic.h> */ +typedef unsigned long Pixel; + +class SalBitmap; +class SalColormap; +class SalDisplay; +class SalFrame; +class X11SalVirtualDevice; +class X11SalGraphicsImpl; +class X11SkiaSalVirtualDevice; +namespace vcl::font +{ +class PhysicalFontCollection; +class PhysicalFontFace; +} +class SalGraphicsImpl; +class TextRenderImpl; + +namespace basegfx { + class B2DTrapezoid; +} + +class X11Common +{ +public: + Drawable m_hDrawable; + const SalColormap* m_pColormap; + cairo_surface_t* m_pExternalSurface; + + X11Common(); + + cairo_t* getCairoContext(); + + static void releaseCairoContext(cairo_t* cr); + + bool SupportsCairo() const; + + const SalColormap& GetColormap() const { return *m_pColormap; } + const SalDisplay* GetDisplay() const { return GetColormap().GetDisplay(); } + const SalVisual& GetVisual() const { return GetColormap().GetVisual(); } + Display* GetXDisplay() const { return GetColormap().GetXDisplay(); } + Pixel GetPixel(Color nColor) const { return GetColormap().GetPixel(nColor); } + Drawable GetDrawable() const { return m_hDrawable; } +}; + +class X11SalGraphics final : public SalGraphicsAutoDelegateToImpl +{ + friend class X11SalGraphicsImpl; + friend class X11CairoTextRender; + +public: + X11SalGraphics(); + virtual ~X11SalGraphics() COVERITY_NOEXCEPT_FALSE override; + + void Init( SalFrame *pFrame, Drawable aDrawable, SalX11Screen nXScreen ); + void Init( X11SalVirtualDevice *pVirtualDevice, cairo_surface_t* pPreExistingTarget = nullptr, + SalColormap* pColormap = nullptr, bool bDeleteColormap = false ); + void Init( X11SkiaSalVirtualDevice *pVirtualDevice ); + void DeInit(); + + virtual SalGraphicsImpl* GetImpl() const override; + SalGeometryProvider* GetGeometryProvider() const; + void SetDrawable(Drawable d, cairo_surface_t* surface, SalX11Screen nXScreen); + XRenderPictFormat* GetXRenderFormat() const; + void SetXRenderFormat( XRenderPictFormat* pXRenderFormat ) { m_pXRenderFormat = pXRenderFormat; } + + const SalX11Screen& GetScreenNumber() const { return m_nXScreen; } + + void Flush(); + + // override all pure virtual methods + virtual void GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY ) override; + + virtual void SetTextColor( Color nColor ) override; + virtual void SetFont(LogicalFontInstance*, int nFallbackLevel) override; + virtual void GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) override; + virtual FontCharMapRef GetFontCharMap() const override; + virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const override; + virtual void GetDevFontList( vcl::font::PhysicalFontCollection* ) override; + virtual void ClearDevFontCache() override; + virtual bool AddTempDevFont( vcl::font::PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) override; + + virtual bool CreateFontSubset( + const OUString& rToFile, + const vcl::font::PhysicalFontFace*, + const sal_GlyphId* pGlyphIDs, + const sal_uInt8* pEncoding, + sal_Int32* pWidths, + int nGlyphs, + FontSubsetInfo& rInfo ) override; + + virtual const void* GetEmbedFontData(const vcl::font::PhysicalFontFace*, tools::Long* pDataLen) override; + virtual void FreeEmbedFontData( const void* pData, tools::Long nDataLen ) override; + + virtual void GetGlyphWidths( + const vcl::font::PhysicalFontFace*, + bool bVertical, + std::vector< sal_Int32 >& rWidths, + Ucs2UIntMap& rUnicodeEnc ) override; + + virtual std::unique_ptr<GenericSalLayout> + GetTextLayout(int nFallbackLevel) override; + virtual void DrawTextLayout( const GenericSalLayout& ) override; + + virtual SystemGraphicsData GetGraphicsData() const override; + +#if ENABLE_CAIRO_CANVAS + virtual bool SupportsCairo() const override; + virtual cairo::SurfaceSharedPtr CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const override; + virtual cairo::SurfaceSharedPtr CreateSurface(const OutputDevice& rRefDevice, int x, int y, int width, int height) const override; + virtual cairo::SurfaceSharedPtr CreateBitmapSurface(const OutputDevice& rRefDevice, const BitmapSystemData& rData, const Size& rSize) const override; + virtual css::uno::Any GetNativeSurfaceHandle(cairo::SurfaceSharedPtr& rSurface, const basegfx::B2ISize& rSize) const override; + + void clipRegion(cairo_t* cr); +#endif // ENABLE_CAIRO_CANVAS + + /* use to handle GraphicsExpose/NoExpose after XCopyArea & friends + * if pFrame is not NULL, corresponding Paint events are generated + * and dispatched to pFrame + * + * it is imperative to eat up graphics exposes even in case you don't need + * them because the next one using XCopyArea can depend on them + */ + void YieldGraphicsExpose(); + + cairo_t* getCairoContext(); + static void releaseCairoContext(cairo_t* cr); + + +private: + using SalGraphics::GetPixel; + void SetClipRegion( GC pGC, Region pXReg = nullptr ) const; + bool GetDitherPixmap ( Color nColor ); + + void freeResources(); + + SalFrame* m_pFrame; // the SalFrame which created this Graphics or NULL + SalVirtualDevice* m_pVDev; // the SalVirtualDevice which created this Graphics or NULL + + + std::unique_ptr<SalColormap> m_pDeleteColormap; + + SalX11Screen m_nXScreen; + mutable XRenderPictFormat* m_pXRenderFormat; + XID m_aXRenderPicture; + + Region mpClipRegion; + Pixmap hBrush_; // Dither + + bool bWindow_ : 1; // is Window + bool bVirDev_ : 1; // is VirDev + + std::unique_ptr<SalGraphicsImpl> mxImpl; + std::unique_ptr<TextRenderImpl> mxTextRenderImpl; + X11Common maX11Common; + +public: + Drawable GetDrawable() const { return maX11Common.GetDrawable(); } + const SalColormap& GetColormap() const { return maX11Common.GetColormap(); } + const SalDisplay* GetDisplay() const { return maX11Common.GetDisplay(); } + const SalVisual& GetVisual() const { return maX11Common.GetVisual(); } + Display* GetXDisplay() const { return maX11Common.GetXDisplay(); } + Pixel GetPixel(Color nColor) const { return maX11Common.GetPixel(nColor); } +}; + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |