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/* -*- 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 const void* GetEmbedFontData(const vcl::font::PhysicalFontFace*, tools::Long* pDataLen) override;
virtual void FreeEmbedFontData( const void* pData, tools::Long nDataLen ) 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;
#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: */
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