gecko-dev/gfx/thebes/gfxQtPlatform.h

101 строка
3.2 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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/. */
#ifndef GFX_PLATFORM_QT_H
#define GFX_PLATFORM_QT_H
#include "gfxPlatform.h"
#include "nsAutoRef.h"
#include "nsDataHashtable.h"
#include "nsTArray.h"
#ifdef MOZ_X11
#include "X11/Xlib.h"
#endif
class gfxFontconfigUtils;
class QWindow;
class gfxQtPlatform : public gfxPlatform {
public:
gfxQtPlatform();
virtual ~gfxQtPlatform();
static gfxQtPlatform *GetPlatform() {
return static_cast<gfxQtPlatform*>(gfxPlatform::GetPlatform());
}
virtual already_AddRefed<gfxASurface>
CreateOffscreenSurface(const IntSize& aSize,
gfxImageFormat aFormat) override;
virtual already_AddRefed<mozilla::gfx::ScaledFont>
GetScaledFontForFont(mozilla::gfx::DrawTarget* aTarget, gfxFont *aFont) override;
virtual nsresult GetFontList(nsIAtom *aLangGroup,
const nsACString& aGenericFamily,
nsTArray<nsString>& aListOfFonts) override;
virtual nsresult UpdateFontList() override;
virtual nsresult GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName) override;
gfxFontGroup*
CreateFontGroup(const mozilla::FontFamilyList& aFontFamilyList,
const gfxFontStyle *aStyle,
gfxTextPerfMetrics* aTextPerf,
gfxUserFontSet *aUserFontSet,
gfxFloat aDevToCssSize) override;
/**
* Look up a local platform font using the full font face name (needed to
* support @font-face src local() )
*/
virtual gfxFontEntry* LookupLocalFont(const nsAString& aFontName,
uint16_t aWeight,
int16_t aStretch,
uint8_t aStyle) override;
/**
* Activate a platform font (needed to support @font-face src url() )
*
*/
virtual gfxFontEntry* MakePlatformFont(const nsAString& aFontName,
uint16_t aWeight,
int16_t aStretch,
uint8_t aStyle,
const uint8_t* aFontData,
uint32_t aLength) override;
/**
* Check whether format is supported on a platform or not (if unclear,
* returns true).
*/
virtual bool IsFontFormatSupported(nsIURI *aFontURI,
uint32_t aFormatFlags) override;
static int32_t GetDPI();
virtual gfxImageFormat GetOffscreenFormat() override;
#ifdef MOZ_X11
static Display* GetXDisplay(QWindow* aWindow = 0);
static Screen* GetXScreen(QWindow* aWindow = 0);
#endif
bool AccelerateLayersByDefault() override {
return true;
}
protected:
static gfxFontconfigUtils *sFontconfigUtils;
private:
virtual void GetPlatformCMSOutputProfile(void *&mem, size_t &size) override;
int mScreenDepth;
};
#endif /* GFX_PLATFORM_QT_H */