gecko/gfx/thebes/gfxTypes.h
Joshua Cranmer 7b9a04da79 Bug 884061 - Part 4: Remove nsAtomicRefcnt.h, r=jlebar
--HG--
extra : rebase_source : ce24ab345baa48104328e3c101b7266a31e81870
2013-07-11 15:21:45 -05:00

41 lines
1.4 KiB
C

/* -*- 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_TYPES_H
#define GFX_TYPES_H
/**
* Currently needs to be 'double' for Cairo compatibility. Could
* become 'float', perhaps, in some configurations.
*/
typedef double gfxFloat;
/**
* Priority of a line break opportunity.
*
* eNoBreak The line has no break opportunities
* eWordWrapBreak The line has a break opportunity only within a word. With
* word-wrap: break-word we will break at this point only if
* there are no other break opportunities in the line.
* eNormalBreak The line has a break opportunity determined by the standard
* line-breaking algorithm.
*
* Future expansion: split eNormalBreak into multiple priorities, e.g.
* punctuation break and whitespace break (bug 389710).
* As and when we implement it, text-wrap: unrestricted will
* mean that priorities are ignored and all line-break
* opportunities are equal.
*
* @see gfxTextRun::BreakAndMeasureText
* @see nsLineLayout::NotifyOptionalBreakPosition
*/
enum gfxBreakPriority {
eNoBreak = 0,
eWordWrapBreak,
eNormalBreak
};
#endif /* GFX_TYPES_H */