зеркало из https://github.com/mozilla/gecko-dev.git
118 строки
3.8 KiB
C++
118 строки
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#pragma once
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/*
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Font References
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Classes for holding a native Macintosh font id or a Web Font handle.
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*/
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#include "uprefd.h"
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#include "xp_hash.h"
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#include "lo_ele.h"
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#include "FontTypes.h"
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#include "UPropFontSwitcher.h"
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#include "UFixedFontSwitcher.h"
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#include "UUTF8TextHandler.h"
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typedef struct LO_TextAttr_struct LO_TextAttr;
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class CFontReference
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{
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public:
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CFontReference(const CCharSet *charSet, const LO_TextAttr *attr);
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virtual ~CFontReference();
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virtual void DrawText(int x, int y, char *text, int start, int end) = 0;
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virtual short TextWidth(char *text, int firstByte, int byteCount) = 0;
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virtual void GetFontInfo(FontInfo *fontInfo) = 0;
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virtual void Apply() = 0;
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short GetMode() {return fMode;}
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void SetMode(short mode) {fMode = mode;}
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static CFontReference *GetFontReference(const CCharSet *charSet, LO_TextAttr *attr, MWContext *context, Boolean underlineLinks);
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protected:
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short fSize;
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short fMode;
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Boolean fIsGetFontInfoDirty;
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FontInfo fCachedFontInfoValues;
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private:
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virtual void SynchToPort(GrafPtr port) = 0;
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static short GetScaledTextSize(short size, short attrSize);
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};
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class CNativeFontReference : public CFontReference
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{
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public:
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CNativeFontReference(short font, const CCharSet *charSet, const LO_TextAttr *attr, Boolean underlineLinks);
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virtual ~CNativeFontReference();
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void DrawText(int x, int y, char *text, int start, int end);
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short TextWidth(char *text, int firstByte, int byteCount);
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short MeasureText(char *text, int firstByte, int byteCount, short* charLocs);
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void GetFontInfo(FontInfo *fontInfo);
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void Apply();
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static CFontReference *LookupNativeFont(char *fontName, const CCharSet *charSet, const LO_TextAttr *attr, Boolean underlineLinks);
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static CFontReference *LookupGenericFont(char *fontName, const CCharSet *charSet, const LO_TextAttr *attr, Boolean underlineLinks);
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private:
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short fFont;
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Style fStyle;
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UFontSwitcher *fFontSwitcher;
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UMultiFontTextHandler *fTextHandler;
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void SynchToPort(GrafPtr /*port*/) {};
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};
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class CWebFontReference : public CFontReference
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{
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public:
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CWebFontReference(WebFontHandle webFont, const CCharSet *charSet, const LO_TextAttr *attr);
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virtual ~CWebFontReference();
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void DrawText(int x, int y, char *text, int start, int end);
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short TextWidth(char *text, int firstByte, int byteCount);
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void GetFontInfo(FontInfo *fontInfo);
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void Apply();
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static CFontReference *LookupWebFont(char *fontName, const CCharSet *charSet, const LO_TextAttr *attr, MWContext *context, Boolean underlineLinks);
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static void Init();
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static void Finish();
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static Boolean NeedToReload(MWContext *context) { return nffbu_WebfontsNeedReload(sUtility, context, NULL); };
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private:
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RenderingContextHandle fRenderingContext;
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RenderableFontHandle fRenderableFont;
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static FontBrokerHandle sBroker;
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static FontBrokerUtilityHandle sUtility;
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static char *sCatalogPath;
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static XP_HashTable sPortHash;
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void SynchToPort(GrafPtr port);
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static uint32 PortHash(const void *port);
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static int PortCompFunction(const void *port1, const void *port2);
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static RenderingContextHandle GetCachedRenderingContext(GrafPtr port);
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};
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