Add m-esr52 at 52.6.0

1 files changed, 124 insertions, 0 deletions

diff --git a/gfx/thebes/gfxFontconfigFonts.h b/gfx/thebes/gfxFontconfigFonts.h
new file mode 100644
index 000000000..cea9d0dbf
--- /dev/null
+++ b/gfx/thebes/gfxFontconfigFonts.h
@@ -0,0 +1,124 @@
+/* -*- 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_FONTCONFIG_FONTS_H
+#define GFX_FONTCONFIG_FONTS_H
+
+#include "cairo.h"
+#include "gfxTypes.h"
+#include "gfxTextRun.h"
+
+#include "nsAutoRef.h"
+#include "nsTArray.h"
+
+#include <pango/pango.h>
+
+class gfxFcFontSet;
+class gfxFcFont;
+typedef struct _FcPattern FcPattern;
+typedef struct FT_FaceRec_* FT_Face;
+typedef struct FT_LibraryRec_  *FT_Library;
+
+class gfxPangoFontGroup : public gfxFontGroup {
+public:
+    gfxPangoFontGroup(const mozilla::FontFamilyList& aFontFamilyList,
+                      const gfxFontStyle *aStyle,
+                      gfxUserFontSet *aUserFontSet,
+                      gfxFloat aDevToCssSize);
+    virtual ~gfxPangoFontGroup();
+
+    virtual gfxFontGroup *Copy(const gfxFontStyle *aStyle);
+
+    virtual gfxFont* GetFirstValidFont(uint32_t aCh = 0x20);
+
+    virtual void UpdateUserFonts();
+
+    virtual already_AddRefed<gfxFont>
+        FindFontForChar(uint32_t aCh, uint32_t aPrevCh, uint32_t aNextCh,
+                        Script aRunScript, gfxFont *aPrevMatchedFont,
+                        uint8_t *aMatchType);
+
+    static void Shutdown();
+
+    // Used for @font-face { src: local(); }
+    static gfxFontEntry *NewFontEntry(const nsAString& aFontName,
+                                      uint16_t aWeight,
+                                      int16_t aStretch,
+                                      uint8_t aStyle);
+    // Used for @font-face { src: url(); }
+    static gfxFontEntry *NewFontEntry(const nsAString& aFontName,
+                                      uint16_t aWeight,
+                                      int16_t aStretch,
+                                      uint8_t aStyle,
+                                      const uint8_t* aFontData,
+                                      uint32_t aLength);
+
+private:
+
+    virtual gfxFont *GetFontAt(int32_t i, uint32_t aCh = 0x20);
+
+    // @param aLang [in] language to use for pref fonts and system default font
+    //        selection, or nullptr for the language guessed from the
+    //        gfxFontStyle.
+    // The FontGroup holds a reference to this set.
+    gfxFcFontSet *GetFontSet(PangoLanguage *aLang = nullptr);
+
+    class FontSetByLangEntry {
+    public:
+        FontSetByLangEntry(PangoLanguage *aLang, gfxFcFontSet *aFontSet);
+        PangoLanguage *mLang;
+        RefPtr<gfxFcFontSet> mFontSet;
+    };
+    // There is only one of entry in this array unless characters from scripts
+    // of other languages are measured.
+    AutoTArray<FontSetByLangEntry,1> mFontSets;
+
+    gfxFloat mSizeAdjustFactor;
+    PangoLanguage *mPangoLanguage;
+
+    // @param aLang [in] language to use for pref fonts and system font
+    //        resolution, or nullptr to guess a language from the gfxFontStyle.
+    // @param aMatchPattern [out] if non-nullptr, will return the pattern used.
+    already_AddRefed<gfxFcFontSet>
+    MakeFontSet(PangoLanguage *aLang, gfxFloat aSizeAdjustFactor,
+                nsAutoRef<FcPattern> *aMatchPattern = nullptr);
+
+    gfxFcFontSet *GetBaseFontSet();
+    gfxFcFont *GetBaseFont();
+
+    gfxFloat GetSizeAdjustFactor()
+    {
+        if (mFontSets.Length() == 0)
+            GetBaseFontSet();
+        return mSizeAdjustFactor;
+    }
+
+    // old helper methods from gfxFontGroup, moved here so that those methods
+    // can be revamped without affecting the legacy code here
+
+    // iterate over the fontlist, lookup names and expand generics
+    void EnumerateFontListPFG(nsIAtom *aLanguage, void *aClosure);
+
+    // expand a generic to a list of specific names based on prefs
+    void FindGenericFontsPFG(mozilla::FontFamilyType aGenericType,
+                             nsIAtom *aLanguage,
+                             void *aClosure);
+
+    // lookup and add a font with a given name (i.e. *not* a generic!)
+    void FindPlatformFontPFG(const nsAString& aName,
+                             bool aUseFontSet,
+                             void *aClosure);
+
+    static void
+    ResolveGenericFontNamesPFG(mozilla::FontFamilyType aGenericType,
+                               nsIAtom *aLanguage,
+                               nsTArray<nsString>& aGenericFamilies);
+
+
+    friend class gfxSystemFcFontEntry;
+    static FT_Library GetFTLibrary();
+};
+
+#endif /* GFX_FONTCONFIG_FONTS_H */