1 files changed, 28 insertions, 28 deletions

diff --git a/src/quick/scenegraph/qsgrhidistancefieldglyphcache.cpp b/src/quick/scenegraph/qsgrhidistancefieldglyphcache.cpp
index 6463b8c137..2325a2665b 100644
--- a/src/quick/scenegraph/qsgrhidistancefieldglyphcache.cpp
+++ b/src/quick/scenegraph/qsgrhidistancefieldglyphcache.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2019 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the QtQuick module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:LGPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,25 +14,26 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
-**
-**
-**
-**
-**
-**
-**
-**
-**
+** 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.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
@@ -86,8 +86,8 @@ void QSGRhiDistanceFieldGlyphCache::requestGlyphs(const QSet<glyph_t> &glyphs)
 
         int padding = QSG_RHI_DISTANCEFIELD_GLYPH_CACHE_PADDING;
         QRectF boundingRect = glyphData(glyphIndex).boundingRect;
-        int glyphWidth = qCeil(boundingRect.width()) + distanceFieldRadius() * 2;
-        int glyphHeight = qCeil(boundingRect.height()) + distanceFieldRadius() * 2;
+        int glyphWidth = qCeil(boundingRect.width() + distanceFieldRadius() * 2);
+        int glyphHeight = qCeil(boundingRect.height() + distanceFieldRadius() * 2);
         QSize glyphSize(glyphWidth + padding * 2, glyphHeight + padding * 2);
         QRect alloc = m_areaAllocator->allocate(glyphSize);
 
@@ -98,8 +98,8 @@ void QSGRhiDistanceFieldGlyphCache::requestGlyphs(const QSet<glyph_t> &glyphs)
 
                 TexCoord unusedCoord = glyphTexCoord(unusedGlyph);
                 QRectF unusedGlyphBoundingRect = glyphData(unusedGlyph).boundingRect;
-                int unusedGlyphWidth = qCeil(unusedGlyphBoundingRect.width()) + distanceFieldRadius() * 2;
-                int unusedGlyphHeight = qCeil(unusedGlyphBoundingRect.height())  + distanceFieldRadius() * 2;
+                int unusedGlyphWidth = qCeil(unusedGlyphBoundingRect.width() + distanceFieldRadius() * 2);
+                int unusedGlyphHeight = qCeil(unusedGlyphBoundingRect.height() + distanceFieldRadius() * 2);
                 m_areaAllocator->deallocate(QRect(unusedCoord.x - padding,
                                                   unusedCoord.y - padding,
                                                   padding * 2 + unusedGlyphWidth,
@@ -446,7 +446,7 @@ bool QSGRhiDistanceFieldGlyphCache::loadPregeneratedCache(const QRawFont &font)
 
         const char *textureRecord = allocatorData;
         for (int i = 0; i < textureCount; ++i, textureRecord += Qtdf::TextureRecordSize) {
-            if (textureRecord + Qtdf::TextureRecordSize > qtdfTableEnd) {
+            if (qtdfTableEnd - textureRecord < Qtdf::TextureRecordSize) {
                 qWarning("qtdf table too small in font '%s'.",
                          qPrintable(font.familyName()));
                 return false;
@@ -462,7 +462,7 @@ bool QSGRhiDistanceFieldGlyphCache::loadPregeneratedCache(const QRawFont &font)
 
         const char *glyphRecord = textureRecord;
         for (quint32 i = 0; i < glyphCount; ++i, glyphRecord += Qtdf::GlyphRecordSize) {
-            if (glyphRecord + Qtdf::GlyphRecordSize > qtdfTableEnd) {
+            if (qtdfTableEnd - glyphRecord < Qtdf:: GlyphRecordSize) {
                 qWarning("qtdf table too small in font '%s'.",
                          qPrintable(font.familyName()));
                 return false;
@@ -512,8 +512,8 @@ bool QSGRhiDistanceFieldGlyphCache::loadPregeneratedCache(const QRawFont &font)
 
             int width = texInfo->allocatedArea.width();
             int height = texInfo->allocatedArea.height();
-            qint64 size = width * height;
-            if (reinterpret_cast<const char *>(textureData + size) > qtdfTableEnd) {
+            qint64 size = qint64(width) * height;
+            if (qtdfTableEnd - reinterpret_cast<const char *>(textureData) < size) {
                 qWarning("qtdf table too small in font '%s'.",
                          qPrintable(font.familyName()));
                 return false;