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caa56dadd4
* clutter/clutter-label.[ch]: Fix ClutterLabel size allocation when no bounding box has been provided, and store the box set by the user so that it can be reused when recomputing the layout. (#600) (clutter_label_class_init), (clutter_label_init): Set the :wrap property default to FALSE. * clutter/clutter-units.h: Add ClutterUnit-to-PangoUnit conversion macro. * tests/test-rotate.c: Fix string.
90 lines
3.0 KiB
C
90 lines
3.0 KiB
C
/* -*- mode:C; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Authored By Tomas Frydrych <tf@openedhand.com>
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*
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* Copyright (C) 2007 OpenedHand
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:clutter-units
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* @short_description: A logical distance unit.
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*
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* Clutter units are logical units with granularity greater than that of the
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* device units; they are used by #ClutterActorBox and the _units() family of
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* ClutterActor functions. To convert between clutter units and device units,
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* use #CLUTTER_UNITS_FROM_DEVICE and #CLUTTER_UNITS_TO_DEVICE macros.
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*
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* Note: It is expected that as of version 0.6 all dimensions in the public
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* Clutter API will be given in clutter units. In order to ease the transition,
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* two extra macros have been provided, #CLUTTER_UNITS_TMP_TO_DEVICE and
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* #CLUTTER_UNITS_TMP_FROM_DEVICE. In version 0.4 these are identity macros,
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* but when the API transition happens will map to #CLUTTER_UNITS_TO_DEVICE and
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* #CLUTTER_UNITS_FROM_DEVICE respectively. You can use these in newly written
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* code as place holders.
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*
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* Since: 0.4
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*/
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#ifndef _HAVE_CLUTTER_UNITS_H
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#define _HAVE_CLUTTER_UNITS_H
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#include <clutter/clutter-fixed.h>
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G_BEGIN_DECLS
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/**
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* ClutterUnit:
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*
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* Device independent unit used by Clutter. The value held can be transformed
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* into other units, likes pixels.
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*
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* Since: 0.4
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*/
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typedef gint32 ClutterUnit;
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/*
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* Currently CLUTTER_UNIT maps directly onto ClutterFixed. Nevertheless, the
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* _FROM_FIXED and _TO_FIXED macros should always be used in case that we
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* decide to change this relationship in the future.
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*/
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#define CLUTTER_UNITS_FROM_DEVICE(x) CLUTTER_UNITS_FROM_INT (x)
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#define CLUTTER_UNITS_TO_DEVICE(x) CLUTTER_UNITS_TO_INT (x)
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#define CLUTTER_UNITS_TMP_FROM_DEVICE(x) (x)
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#define CLUTTER_UNITS_TMP_TO_DEVICE(x) (x)
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#define CLUTTER_UNITS_FROM_INT(x) CLUTTER_INT_TO_FIXED (x)
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#define CLUTTER_UNITS_TO_INT(x) CFX_INT (x)
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#define CLUTTER_UNITS_FROM_FLOAT(x) CLUTTER_FLOAT_TO_FIXED (x)
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#define CLUTTER_UNITS_TO_FLOAT(x) CLUTTER_FIXED_TO_FLOAT (x)
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#define CLUTTER_UNITS_FROM_FIXED(x) (x)
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#define CLUTTER_UNITS_TO_FIXED(x) (x)
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#define CLUTTER_UNITS_FROM_PANGO_UNIT(x) ((x) << 6)
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#define CLUTTER_UNITS_TO_PANGO_UNIT(x) ((x) >> 6)
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G_END_DECLS
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#endif /* _HAVE_CLUTTER_UNITS_H */
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