Merge branch '4.6' of git@scm.dev.nokia.troll.no:qt/qt-graphics-team into 4.6

5 files changed, 104 insertions, 58 deletions

diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 386bf71..271b939 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -5171,8 +5171,7 @@ void QWidgetPrivate::render_helper(QPainter *painter, const QPoint &targetOffset
             return;
 
         QPixmap pixmap(size);
-        if (!(renderFlags & QWidget::DrawWindowBackground)
-            || !q->palette().brush(q->backgroundRole()).isOpaque())
+        if (!(renderFlags & QWidget::DrawWindowBackground) || !isOpaque)
             pixmap.fill(Qt::transparent);
         q->render(&pixmap, QPoint(), toBePainted, renderFlags);
 
diff --git a/src/gui/painting/qblendfunctions.cpp b/src/gui/painting/qblendfunctions.cpp
index f8dd424..8737f10 100644
--- a/src/gui/painting/qblendfunctions.cpp
+++ b/src/gui/painting/qblendfunctions.cpp
@@ -223,11 +223,23 @@ void qt_scale_image_16bit(uchar *destPixels, int dbpl,
     int h = ty2 - ty1;
     int w = tx2 - tx1;
 
-    const int dstx = qCeil((tx1 + 0.5 - qMin(targetRect.left(), targetRect.right())) * ix) - 1;
-    const int dsty = qCeil((ty1 + 0.5 - qMin(targetRect.top(), targetRect.bottom())) * iy) - 1;
+    quint32 basex;
+    quint32 srcy;
 
-    quint32 basex = quint32((sx < 0 ? srcRect.right() : srcRect.left()) * 65536) + dstx;
-    quint32 srcy = quint32((sy < 0 ? srcRect.bottom() : srcRect.top()) * 65536) + dsty;
+    if (sx < 0) {
+        int dstx = qFloor((tx1 + 0.5 - targetRect.right()) * ix) + 1;
+        basex = quint32(srcRect.right() * 65536) + dstx;
+    } else {
+        int dstx = qCeil((tx1 + 0.5 - targetRect.left()) * ix) - 1;
+        basex = quint32(srcRect.left() * 65536) + dstx;
+    }
+    if (sy < 0) {
+        int dsty = qFloor((ty1 + 0.5 - targetRect.bottom()) * iy) + 1;
+        srcy = quint32(srcRect.bottom() * 65536) + dsty;
+    } else {
+        int dsty = qCeil((ty1 + 0.5 - targetRect.top()) * iy) - 1;
+        srcy = quint32(srcRect.top() * 65536) + dsty;
+    }
 
     quint16 *dst = ((quint16 *) (destPixels + ty1 * dbpl)) + tx1;
 
@@ -723,11 +735,23 @@ template <typename T> void qt_scale_image_32bit(uchar *destPixels, int dbpl,
     int h = ty2 - ty1;
     int w = tx2 - tx1;
 
-    const int dstx = qCeil((tx1 + 0.5 - qMin(targetRect.left(), targetRect.right())) * ix) - 1;
-    const int dsty = qCeil((ty1 + 0.5 - qMin(targetRect.top(), targetRect.bottom())) * iy) - 1;
+    quint32 basex;
+    quint32 srcy;
 
-    quint32 basex = quint32((sx < 0 ? srcRect.right() : srcRect.left()) * 65536) + dstx;
-    quint32 srcy = quint32((sy < 0 ? srcRect.bottom() : srcRect.top()) * 65536) + dsty;
+    if (sx < 0) {
+        int dstx = qFloor((tx1 + 0.5 - targetRect.right()) * ix) + 1;
+        basex = quint32(srcRect.right() * 65536) + dstx;
+    } else {
+        int dstx = qCeil((tx1 + 0.5 - targetRect.left()) * ix) - 1;
+        basex = quint32(srcRect.left() * 65536) + dstx;
+    }
+    if (sy < 0) {
+        int dsty = qFloor((ty1 + 0.5 - targetRect.bottom()) * iy) + 1;
+        srcy = quint32(srcRect.bottom() * 65536) + dsty;
+    } else {
+        int dsty = qCeil((ty1 + 0.5 - targetRect.top()) * iy) - 1;
+        srcy = quint32(srcRect.top() * 65536) + dsty;
+    }
 
     quint32 *dst = ((quint32 *) (destPixels + ty1 * dbpl)) + tx1;
 
diff --git a/src/gui/text/qfontdatabase.cpp b/src/gui/text/qfontdatabase.cpp
index fb8444e..7e93aa0 100644
--- a/src/gui/text/qfontdatabase.cpp
+++ b/src/gui/text/qfontdatabase.cpp
@@ -533,7 +533,13 @@ static int requiredUnicodeBits[QFontDatabase::WritingSystemsCount][2] = {
         // Vietnamese,
     { 0, 127 }, // same as latin1
         // Other,
-    { 126, 127 }
+    { 126, 127 },
+        // Ogham,
+    { 78, 127 },
+        // Runic,
+    { 79, 127 },
+        // Nko,
+    { 14, 127 },
 };
 
 #define SimplifiedChineseCsbBit 18
@@ -873,7 +879,8 @@ static const int scriptForWritingSystem[] = {
     QUnicodeTables::Common, // Braille
     QUnicodeTables::Common, // Symbol
     QUnicodeTables::Ogham,  // Ogham
-    QUnicodeTables::Runic // Runic
+    QUnicodeTables::Runic, // Runic
+    QUnicodeTables::Nko // Nko
 };
 
 
@@ -881,12 +888,12 @@ static const int scriptForWritingSystem[] = {
 static inline bool requiresOpenType(int writingSystem)
 {
     return ((writingSystem >= QFontDatabase::Syriac && writingSystem <= QFontDatabase::Sinhala)
-            || writingSystem == QFontDatabase::Khmer);
+            || writingSystem == QFontDatabase::Khmer || writingSystem == QFontDatabase::Nko);
 }
 static inline bool scriptRequiresOpenType(int script)
 {
     return ((script >= QUnicodeTables::Syriac && script <= QUnicodeTables::Sinhala)
-            || script == QUnicodeTables::Khmer);
+            || script == QUnicodeTables::Khmer || script == QUnicodeTables::Nko);
 }
 #endif
 
@@ -1558,6 +1565,7 @@ QFontDatabase::QFontDatabase()
     \value Other (the same as Symbol)
     \value Ogham
     \value Runic
+    \value Nko
 
     \omitvalue WritingSystemsCount
 */
@@ -2232,6 +2240,9 @@ QString QFontDatabase::writingSystemName(WritingSystem writingSystem)
     case Runic:
         name = QT_TRANSLATE_NOOP("QFontDatabase", "Runic");
         break;
+    case Nko:
+        name = QT_TRANSLATE_NOOP("QFontDatabase", "N'Ko");
+        break;
     default:
         Q_ASSERT_X(false, "QFontDatabase::writingSystemName", "invalid 'writingSystem' parameter");
         break;
@@ -2445,6 +2456,12 @@ QString QFontDatabase::writingSystemSample(WritingSystem writingSystem)
         sample += QChar(0x16a2);
         sample += QChar(0x16a3);
         break;
+    case Nko:
+        sample += QChar(0x7ca);
+        sample += QChar(0x7cb);
+        sample += QChar(0x7cc);
+        sample += QChar(0x7cd);
+        break;
     default:
         break;
     }
diff --git a/src/gui/text/qfontdatabase.h b/src/gui/text/qfontdatabase.h
index e6dcfc9..37b5860 100644
--- a/src/gui/text/qfontdatabase.h
+++ b/src/gui/text/qfontdatabase.h
@@ -108,6 +108,7 @@ public:
 
         Ogham,
         Runic,
+        Nko,
 
         WritingSystemsCount
     };
diff --git a/src/gui/text/qfontdatabase_x11.cpp b/src/gui/text/qfontdatabase_x11.cpp
index f184811..dd575f9 100644
--- a/src/gui/text/qfontdatabase_x11.cpp
+++ b/src/gui/text/qfontdatabase_x11.cpp
@@ -155,187 +155,187 @@ static const char writingSystems_for_xlfd_encoding[sizeof(xlfd_encoding)][QFontD
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-2
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-3
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-4
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-9
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-10
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-13
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-14
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-15
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // hp-roman8
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-5
     { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // *-cp1251
     { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // koi8-ru
     { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // koi8-u
     { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // koi8-r
     { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-7
     { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-8
     { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // gb18030-0
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // gb18030.2000-0
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // gbk-0
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // gb2312.*-0
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // jisx0201*-0
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 1, 0, 0,
-      0 },
+      0, 0 },
     // jisx0208*-0
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 1, 0, 0,
-      0 },
+      0, 0 },
     // ksc5601*-*
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 1, 0,
-      0 },
+      0, 0 },
     // big5hkscs-0
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
-      0 },
+      0, 0 },
     // hkscs-1
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
-      0 },
+      0, 0 },
     // big5*-*
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
-      0 },
+      0, 0 },
     // tscii-*
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // tis620*-*
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-11
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // mulelao-1
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // ethiopic-unicode
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso10646-1
     { 0, 1, 1, 1, 1, 1, 1, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
       1, 1, 0, 1, 0, 1, 1, 0, 0, 0,
-      0 },
+      0, 0 },
     // unicode-*
     { 0, 1, 1, 1, 1, 1, 1, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
       1, 1, 0, 1, 0, 1, 1, 0, 0, 0,
-      0 },
+      0, 0 },
     // *-symbol
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      1 },
+      1, 0 },
     // *-fontspecific
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      1 },
+      1, 0 },
     // fontspecific-*
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      1 }
+      1, 0 }
 
 };
 
@@ -835,7 +835,8 @@ static const char *specialLanguages[] = {
     "ko", // Hangul
     "", // Ogham
     "", // Runic
-    "km" // Khmer
+    "km", // Khmer
+    "" // N'Ko
 };
 enum { SpecialLanguageCount = sizeof(specialLanguages) / sizeof(const char *) };
 
@@ -866,7 +867,8 @@ static const ushort specialChars[] = {
     0, // Hangul
     0x1681, // Ogham
     0x16a0, // Runic
-    0  // Khmer
+    0,  // Khmer
+    0x7ca // N'Ko
 };
 enum { SpecialCharCount = sizeof(specialChars) / sizeof(ushort) };
 
@@ -905,7 +907,8 @@ static const char *languageForWritingSystem[] = {
     "vi",  // Vietnamese
     0, // Symbol
     0, // Ogham
-    0 // Runic
+    0, // Runic
+    0 // N'Ko
 };
 enum { LanguageCount = sizeof(languageForWritingSystem) / sizeof(const char *) };
 
@@ -944,7 +947,8 @@ static const ushort sampleCharForWritingSystem[] = {
     0,  // Vietnamese
     0, // Symbol
     0x1681, // Ogham
-    0x16a0 // Runic
+    0x16a0, // Runic
+    0x7ca // N'Ko
 };
 enum { SampleCharCount = sizeof(sampleCharForWritingSystem) / sizeof(ushort) };
 
@@ -984,7 +988,8 @@ static const char *openType[] = {
     0,  // Vietnamese
     0, // Symbol
     0, // Ogham
-    0 // Runic
+    0, // Runic
+    "nko " // N'Ko
 };
 enum { OpenTypeCount = sizeof(openType) / sizeof(const char *) };
 
@@ -1472,7 +1477,7 @@ void qt_addPatternProps(FcPattern *pattern, int screen, int script, const QFontD
                          !(request.styleStrategy & QFont::NoAntialias));
     }
 
-    if (script != QUnicodeTables::Common) {
+    if (script != QUnicodeTables::Common && *specialLanguages[script] != '\0') {
         Q_ASSERT(script < QUnicodeTables::ScriptCount);
         FcLangSet *ls = FcLangSetCreate();
         FcLangSetAdd(ls, (const FcChar8*)specialLanguages[script]);
@@ -1615,7 +1620,7 @@ static QFontEngine *tryPatternLoad(FcPattern *p, int screen,
                 goto done;
             if (!FcCharSetHasChar(cs, specialChars[script]))
                 goto done;
-        } else {
+        } else if (*specialLanguages[script] != '\0'){
             FcLangSet *langSet = 0;
             if (FcPatternGetLangSet(match, FC_LANG, 0, &langSet) != FcResultMatch)
                 goto done;