1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/thebes/gfxFontMissingGlyphs.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,40 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef GFX_FONTMISSINGGLYPHS_H
1.10 +#define GFX_FONTMISSINGGLYPHS_H
1.11 +
1.12 +#include "gfxTypes.h"
1.13 +#include "gfxRect.h"
1.14 +
1.15 +class gfxContext;
1.16 +
1.17 +/**
1.18 + * This class should not be instantiated. It's just a container
1.19 + * for some helper functions.
1.20 + */
1.21 +class gfxFontMissingGlyphs {
1.22 +public:
1.23 + /**
1.24 + * Draw hexboxes for a missing glyph.
1.25 + * @param aContext the context to draw to
1.26 + * @param aRect the glyph-box for the glyph that is missing
1.27 + * @param aChar the UTF16 codepoint for the character
1.28 + * @param aAppUnitsPerDevPixel the appUnits to devPixel ratio we're using,
1.29 + * (so we can scale glyphs to a sensible size)
1.30 + */
1.31 + static void DrawMissingGlyph(gfxContext *aContext,
1.32 + const gfxRect& aRect,
1.33 + uint32_t aChar,
1.34 + uint32_t aAppUnitsPerDevPixel);
1.35 + /**
1.36 + * @return the desired minimum width for a glyph-box that will allow
1.37 + * the hexboxes to be drawn reasonably.
1.38 + */
1.39 + static gfxFloat GetDesiredMinWidth(uint32_t aChar,
1.40 + uint32_t aAppUnitsPerDevUnit);
1.41 +};
1.42 +
1.43 +#endif
