зеркало из https://github.com/mozilla/pjs.git
137 строки
4.9 KiB
C
137 строки
4.9 KiB
C
|
/* vim: set sw=4 sts=4 et cin: */
|
||
|
/* ***** 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 OS/2 code in Thebes.
|
||
|
*
|
||
|
* The Initial Developer of the Original Code is
|
||
|
* Peter Weilbacher <mozilla@Weilbacher.org>.
|
||
|
* Portions created by the Initial Developer are Copyright (C) 2006
|
||
|
* the Initial Developer. All Rights Reserved.
|
||
|
*
|
||
|
* Contributor(s):
|
||
|
*
|
||
|
* 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_OS2_FONTS_H
|
||
|
#define GFX_OS2_FONTS_H
|
||
|
|
||
|
#include "gfxTypes.h"
|
||
|
#include "gfxFont.h"
|
||
|
#include "gfxMatrix.h"
|
||
|
#include "nsDataHashtable.h"
|
||
|
|
||
|
#define INCL_GPI
|
||
|
#include <os2.h>
|
||
|
#include <cairo-os2.h>
|
||
|
#include "cairo-ft.h" // includes fontconfig.h, too
|
||
|
#include <freetype/tttables.h>
|
||
|
|
||
|
#include "nsICharsetConverterManager.h"
|
||
|
|
||
|
class gfxOS2FontEntry : public gfxFontEntry {
|
||
|
public:
|
||
|
gfxOS2FontEntry(const nsAString& aName) : gfxFontEntry(aName) {}
|
||
|
~gfxOS2FontEntry() {}
|
||
|
};
|
||
|
|
||
|
class gfxOS2Font : public gfxFont {
|
||
|
public:
|
||
|
gfxOS2Font(gfxOS2FontEntry *aFontEntry, const gfxFontStyle *aFontStyle);
|
||
|
virtual ~gfxOS2Font();
|
||
|
|
||
|
virtual const gfxFont::Metrics& GetMetrics();
|
||
|
cairo_font_face_t *CairoFontFace();
|
||
|
cairo_scaled_font_t *CairoScaledFont();
|
||
|
|
||
|
virtual nsString GetUniqueName();
|
||
|
|
||
|
// Get the glyphID of a space
|
||
|
virtual PRUint32 GetSpaceGlyph() {
|
||
|
if (!mMetrics)
|
||
|
GetMetrics();
|
||
|
return mSpaceGlyph;
|
||
|
}
|
||
|
|
||
|
static already_AddRefed<gfxOS2Font> GetOrMakeFont(const nsAString& aName,
|
||
|
const gfxFontStyle *aStyle);
|
||
|
|
||
|
protected:
|
||
|
virtual PRBool SetupCairoFont(gfxContext *aContext);
|
||
|
|
||
|
private:
|
||
|
cairo_font_face_t *mFontFace;
|
||
|
cairo_scaled_font_t *mScaledFont;
|
||
|
Metrics *mMetrics;
|
||
|
gfxFloat mAdjustedSize;
|
||
|
PRUint32 mSpaceGlyph;
|
||
|
int mHinting;
|
||
|
PRBool mAntialias;
|
||
|
};
|
||
|
|
||
|
|
||
|
class THEBES_API gfxOS2FontGroup : public gfxFontGroup {
|
||
|
public:
|
||
|
gfxOS2FontGroup(const nsAString& aFamilies, const gfxFontStyle* aStyle, gfxUserFontSet *aUserFontSet);
|
||
|
virtual ~gfxOS2FontGroup();
|
||
|
|
||
|
virtual gfxFontGroup *Copy(const gfxFontStyle *aStyle);
|
||
|
|
||
|
// create and initialize the textRun using FreeType font
|
||
|
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);
|
||
|
|
||
|
gfxOS2Font *GetFontAt(PRInt32 i) {
|
||
|
// If it turns out to be hard for all clients that cache font
|
||
|
// groups to call UpdateFontList at appropriate times, we could
|
||
|
// instead consider just calling UpdateFontList from someplace
|
||
|
// more central (such as here).
|
||
|
NS_ASSERTION(!mUserFontSet || mCurrGeneration == GetGeneration(),
|
||
|
"Whoever was caching this font group should have "
|
||
|
"called UpdateFontList on it");
|
||
|
|
||
|
#ifdef DEBUG_thebes_2
|
||
|
printf("gfxOS2FontGroup[%#x]::GetFontAt(%d), %#x, %#x\n",
|
||
|
(unsigned)this, i, (unsigned)&mFonts, (unsigned)&mFonts[i]);
|
||
|
#endif
|
||
|
return static_cast<gfxOS2Font*>(static_cast<gfxFont*>(mFonts[i]));
|
||
|
}
|
||
|
|
||
|
protected:
|
||
|
void InitTextRun(gfxTextRun *aTextRun, const PRUint8 *aUTF8Text,
|
||
|
PRUint32 aUTF8Length, PRUint32 aUTF8HeaderLength);
|
||
|
void CreateGlyphRunsFT(gfxTextRun *aTextRun, const PRUint8 *aUTF8,
|
||
|
PRUint32 aUTF8Length);
|
||
|
static PRBool FontCallback(const nsAString& aFontName,
|
||
|
const nsACString& aGenericName, void *aClosure);
|
||
|
|
||
|
private:
|
||
|
PRBool mEnableKerning;
|
||
|
};
|
||
|
|
||
|
#endif /* GFX_OS2_FONTS_H */
|