diff options
Diffstat (limited to 'src/quick/scenegraph/util/qsgdistancefieldutil.cpp')
| -rw-r--r-- | src/quick/scenegraph/util/qsgdistancefieldutil.cpp | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/src/quick/scenegraph/util/qsgdistancefieldutil.cpp b/src/quick/scenegraph/util/qsgdistancefieldutil.cpp deleted file mode 100644 index 9ca9cdb107..0000000000 --- a/src/quick/scenegraph/util/qsgdistancefieldutil.cpp +++ /dev/null @@ -1,95 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtQuick module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/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 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qsgdistancefieldutil_p.h" - -#include <private/qsgadaptationlayer_p.h> -#if QT_CONFIG(opengl) -# include <QtGui/private/qopenglengineshadersource_p.h> -#endif -#include <QtQuick/private/qsgcontext_p.h> - -QT_BEGIN_NAMESPACE - -static float qt_sg_envFloat(const char *name, float defaultValue) -{ - if (Q_LIKELY(!qEnvironmentVariableIsSet(name))) - return defaultValue; - bool ok = false; - const float value = qgetenv(name).toFloat(&ok); - return ok ? value : defaultValue; -} - -static float defaultThresholdFunc(float glyphScale) -{ - static const float base = qt_sg_envFloat("QT_DF_BASE", 0.5f); - static const float baseDev = qt_sg_envFloat("QT_DF_BASEDEVIATION", 0.065f); - static const float devScaleMin = qt_sg_envFloat("QT_DF_SCALEFORMAXDEV", 0.15f); - static const float devScaleMax = qt_sg_envFloat("QT_DF_SCALEFORNODEV", 0.3f); - return base - ((qBound(devScaleMin, glyphScale, devScaleMax) - devScaleMin) / (devScaleMax - devScaleMin) * -baseDev + baseDev); -} - -static float defaultAntialiasingSpreadFunc(float glyphScale) -{ - static const float range = qt_sg_envFloat("QT_DF_RANGE", 0.06f); - return range / glyphScale; -} - -QSGDistanceFieldGlyphCacheManager::QSGDistanceFieldGlyphCacheManager() - : m_threshold_func(defaultThresholdFunc) - , m_antialiasingSpread_func(defaultAntialiasingSpreadFunc) -{ -} - -QSGDistanceFieldGlyphCacheManager::~QSGDistanceFieldGlyphCacheManager() -{ - qDeleteAll(m_caches); -} - -QSGDistanceFieldGlyphCache *QSGDistanceFieldGlyphCacheManager::cache(const QRawFont &font) -{ - return m_caches.value(font, 0); -} - -void QSGDistanceFieldGlyphCacheManager::insertCache(const QRawFont &font, QSGDistanceFieldGlyphCache *cache) -{ - m_caches.insert(font, cache); -} - -QT_END_NAMESPACE |