From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- gfx/thebes/gfxFontMissingGlyphs.h | 56 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 gfx/thebes/gfxFontMissingGlyphs.h (limited to 'gfx/thebes/gfxFontMissingGlyphs.h') diff --git a/gfx/thebes/gfxFontMissingGlyphs.h b/gfx/thebes/gfxFontMissingGlyphs.h new file mode 100644 index 0000000000..711e96f79e --- /dev/null +++ b/gfx/thebes/gfxFontMissingGlyphs.h @@ -0,0 +1,56 @@ +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * 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_FONTMISSINGGLYPHS_H +#define GFX_FONTMISSINGGLYPHS_H + +#include "mozilla/Attributes.h" +#include "mozilla/gfx/MatrixFwd.h" +#include "mozilla/gfx/Rect.h" + +namespace mozilla { +namespace gfx { +class DrawTarget; +class Pattern; +} // namespace gfx +} // namespace mozilla + +/** + * This class should not be instantiated. It's just a container + * for some helper functions. + */ +class gfxFontMissingGlyphs final { + typedef mozilla::gfx::DrawTarget DrawTarget; + typedef mozilla::gfx::Float Float; + typedef mozilla::gfx::Matrix Matrix; + typedef mozilla::gfx::Pattern Pattern; + typedef mozilla::gfx::Rect Rect; + + gfxFontMissingGlyphs() = delete; // prevent instantiation + + public: + /** + * Draw hexboxes for a missing glyph. + * @param aChar the UTF16 codepoint for the character + * @param aRect the glyph-box for the glyph that is missing + * @param aDrawTarget the DrawTarget to draw to + * @param aPattern the pattern currently being used to paint + * @param aMat optional local-space orientation matrix + */ + static void DrawMissingGlyph(uint32_t aChar, const Rect& aRect, + DrawTarget& aDrawTarget, const Pattern& aPattern, + const Matrix* aMat = nullptr); + /** + * @return the desired minimum width for a glyph-box that will allow + * the hexboxes to be drawn reasonably. + */ + static Float GetDesiredMinWidth(uint32_t aChar, uint32_t aAppUnitsPerDevUnit); + + static void Purge(); + + static void Shutdown(); +}; + +#endif -- cgit v1.2.3