diff options
Diffstat (limited to 'src/gui/painting/qtextureglyphcache.cpp')
| -rw-r--r-- | src/gui/painting/qtextureglyphcache.cpp | 50 |
1 files changed, 14 insertions, 36 deletions
diff --git a/src/gui/painting/qtextureglyphcache.cpp b/src/gui/painting/qtextureglyphcache.cpp index 83edeb41a6..e12d61bbf4 100644 --- a/src/gui/painting/qtextureglyphcache.cpp +++ b/src/gui/painting/qtextureglyphcache.cpp @@ -1,40 +1,32 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the QtGui module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL$ +** $QT_BEGIN_LICENSE:LGPL21$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception +** rights. These rights are described in the Digia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** ** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -50,20 +42,6 @@ QT_BEGIN_NAMESPACE // #define CACHE_DEBUG -// returns the highest number closest to v, which is a power of 2 -// NB! assumes 32 bit ints -static inline int qt_next_power_of_two(int v) -{ - v--; - v |= v >> 1; - v |= v >> 2; - v |= v >> 4; - v |= v >> 8; - v |= v >> 16; - ++v; - return v; -} - int QTextureGlyphCache::calculateSubPixelPositionCount(glyph_t glyph) const { // Test 12 different subpixel positions since it factors into 3*4 so it gives @@ -199,7 +177,7 @@ bool QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const if (fontEngine->maxCharWidth() <= QT_DEFAULT_TEXTURE_GLYPH_CACHE_WIDTH) m_w = QT_DEFAULT_TEXTURE_GLYPH_CACHE_WIDTH; else - m_w = qt_next_power_of_two(fontEngine->maxCharWidth()); + m_w = qNextPowerOfTwo(qCeil(fontEngine->maxCharWidth()) - 1); } // now actually use the coords and paint the wanted glyps into cache. @@ -261,9 +239,9 @@ void QTextureGlyphCache::fillInPendingGlyphs() if (isNull() || requiredHeight > m_h || requiredWidth > m_w) { if (isNull()) - createCache(qt_next_power_of_two(requiredWidth), qt_next_power_of_two(requiredHeight)); + createCache(qNextPowerOfTwo(requiredWidth - 1), qNextPowerOfTwo(requiredHeight - 1)); else - resizeCache(qt_next_power_of_two(requiredWidth), qt_next_power_of_two(requiredHeight)); + resizeCache(qNextPowerOfTwo(requiredWidth - 1), qNextPowerOfTwo(requiredHeight - 1)); } { |