gecko/gfx/thebes/public/gfxAtsuiFonts.h

137 lines
4.9 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is thebes gfx code.
*
* The Initial Developer of the Original Code is Mozilla Corporation.
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@pobox.com>
* Masayuki Nakano <masayuki@d-toybox.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef GFX_ATSUIFONTS_H
#define GFX_ATSUIFONTS_H
#include "cairo.h"
#include "gfxTypes.h"
#include "gfxFont.h"
#include <Carbon/Carbon.h>
class gfxAtsuiFontGroup;
class gfxAtsuiFont : public gfxFont {
public:
gfxAtsuiFont(ATSUFontID fontID,
const nsAString& name,
const gfxFontStyle *fontStyle);
virtual ~gfxAtsuiFont();
virtual const gfxFont::Metrics& GetMetrics();
float GetCharWidth(PRUnichar c, PRUint32 *aGlyphID = nsnull);
float GetCharHeight(PRUnichar c);
ATSUFontID GetATSUFontID() { return mATSUFontID; }
cairo_font_face_t *CairoFontFace() { return mFontFace; }
cairo_scaled_font_t *CairoScaledFont() { return mScaledFont; }
ATSUStyle GetATSUStyle() { return mATSUStyle; }
virtual nsString GetUniqueName();
virtual PRUint32 GetSpaceGlyph() { return mSpaceGlyph; }
protected:
const gfxFontStyle *mFontStyle;
ATSUFontID mATSUFontID;
ATSUStyle mATSUStyle;
nsString mUniqueName;
cairo_font_face_t *mFontFace;
cairo_scaled_font_t *mScaledFont;
gfxFont::Metrics mMetrics;
gfxFloat mAdjustedSize;
PRUint32 mSpaceGlyph;
void InitMetrics(ATSUFontID aFontID, ATSFontRef aFontRef);
virtual void SetupCairoFont(cairo_t *aCR)
{
cairo_set_scaled_font (aCR, CairoScaledFont());
}
};
class THEBES_API gfxAtsuiFontGroup : public gfxFontGroup {
public:
gfxAtsuiFontGroup(const nsAString& families,
const gfxFontStyle *aStyle);
virtual ~gfxAtsuiFontGroup();
virtual gfxFontGroup *Copy(const gfxFontStyle *aStyle);
virtual gfxTextRun *MakeTextRun(const PRUnichar* aString, PRUint32 aLength,
const Parameters* aParams, PRUint32 aFlags);
virtual gfxTextRun *MakeTextRun(const PRUint8* aString, PRUint32 aLength,
const Parameters* aParams, PRUint32 aFlags);
// When aWrapped is true, the string includes bidi control
// characters. The first character will be LRO or LRO to force setting the
// direction for all characters, the last character is PDF, and the
// second to last character is a non-whitespace character --- to ensure
// that there is no "trailing whitespace" in the string, see
// http://weblogs.mozillazine.org/roc/archives/2007/02/superlaser_targ.html#comments
void MakeTextRunInternal(const PRUnichar *aString, PRUint32 aLength,
PRBool aWrapped, gfxTextRun *aTextRun);
ATSUFontFallbacks *GetATSUFontFallbacksPtr() { return &mFallbacks; }
gfxAtsuiFont* GetFontAt(PRInt32 i) {
return NS_STATIC_CAST(gfxAtsuiFont*, NS_STATIC_CAST(gfxFont*, mFonts[i]));
}
gfxAtsuiFont* FindFontFor(ATSUFontID fid);
protected:
static PRBool FindATSUFont(const nsAString& aName,
const nsACString& aGenericName,
void *closure);
void InitTextRun(gfxTextRun *aRun, const PRUnichar *aString, PRUint32 aLength,
PRBool aWrapped);
ATSUFontFallbacks mFallbacks;
};
#endif /* GFX_ATSUIFONTS_H */