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106 lines
3.5 KiB
C++
106 lines
3.5 KiB
C++
/* vim: set sw=4 sts=4 et cin: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_OS2_FONTS_H
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#define GFX_OS2_FONTS_H
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#include "gfxTypes.h"
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#include "gfxFont.h"
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#include "gfxMatrix.h"
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#include "nsDataHashtable.h"
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#define INCL_GPI
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#include <os2.h>
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#include <cairo-os2.h>
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#include "cairo-ft.h" // includes fontconfig.h, too
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#include <freetype/tttables.h>
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#include "nsICharsetConverterManager.h"
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class gfxOS2FontEntry : public gfxFontEntry {
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public:
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gfxOS2FontEntry(const nsAString& aName) : gfxFontEntry(aName) {}
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~gfxOS2FontEntry() {}
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};
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class gfxOS2Font : public gfxFont {
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public:
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gfxOS2Font(gfxOS2FontEntry *aFontEntry, const gfxFontStyle *aFontStyle);
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virtual ~gfxOS2Font();
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virtual const gfxFont::Metrics& GetMetrics();
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cairo_font_face_t *CairoFontFace();
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cairo_scaled_font_t *CairoScaledFont();
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// Get the glyphID of a space
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virtual uint32_t GetSpaceGlyph() {
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if (!mMetrics)
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GetMetrics();
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return mSpaceGlyph;
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}
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static already_AddRefed<gfxOS2Font> GetOrMakeFont(const nsAString& aName,
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const gfxFontStyle *aStyle);
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protected:
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virtual bool SetupCairoFont(gfxContext *aContext);
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virtual FontType GetType() const { return FONT_TYPE_OS2; }
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private:
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cairo_font_face_t *mFontFace;
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Metrics *mMetrics;
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gfxFloat mAdjustedSize;
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uint32_t mSpaceGlyph;
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int mHinting;
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bool mAntialias;
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};
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class gfxOS2FontGroup : public gfxFontGroup {
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public:
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gfxOS2FontGroup(const nsAString& aFamilies, const gfxFontStyle* aStyle, gfxUserFontSet *aUserFontSet);
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virtual ~gfxOS2FontGroup();
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virtual gfxFontGroup *Copy(const gfxFontStyle *aStyle);
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// create and initialize the textRun using FreeType font
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virtual gfxTextRun *MakeTextRun(const PRUnichar* aString, uint32_t aLength,
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const Parameters* aParams, uint32_t aFlags);
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virtual gfxTextRun *MakeTextRun(const uint8_t* aString, uint32_t aLength,
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const Parameters* aParams, uint32_t aFlags);
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gfxOS2Font *GetFontAt(int32_t i) {
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// If it turns out to be hard for all clients that cache font
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// groups to call UpdateFontList at appropriate times, we could
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// instead consider just calling UpdateFontList from someplace
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// more central (such as here).
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NS_ASSERTION(!mUserFontSet || mCurrGeneration == GetGeneration(),
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"Whoever was caching this font group should have "
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"called UpdateFontList on it");
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#ifdef DEBUG_thebes_2
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printf("gfxOS2FontGroup[%#x]::GetFontAt(%d), %#x, %#x\n",
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(unsigned)this, i, (unsigned)&mFonts, (unsigned)&mFonts[i]);
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#endif
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return static_cast<gfxOS2Font*>(static_cast<gfxFont*>(mFonts[i]));
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}
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protected:
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void InitTextRun(gfxTextRun *aTextRun, const uint8_t *aUTF8Text,
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uint32_t aUTF8Length, uint32_t aUTF8HeaderLength);
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void CreateGlyphRunsFT(gfxTextRun *aTextRun, const uint8_t *aUTF8,
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uint32_t aUTF8Length);
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static bool FontCallback(const nsAString& aFontName,
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const nsACString& aGenericName,
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bool aUseFontSet,
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void *aClosure);
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private:
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bool mEnableKerning;
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};
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#endif /* GFX_OS2_FONTS_H */
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