Changeset 561 for trunk/src/gui/text/qtextengine_mac.cpp

Timestamp:

Feb 11, 2010, 11:19:06 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.1 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/gui/text/qtextengine_mac.cpp (modified) (6 diffs)

trunk/src/gui/text/qtextengine_mac.cpp

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the QtGui module of the Qt Toolkit.
@@ -21 +22 @@
 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** GNU General Public License Usage
@@ -34 +34 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
 ** $QT_END_LICENSE$
 **
@@ -51 +51 @@
     // ### zeroWidth and justification are missing here!!!!!
 
-    Q_ASSERT(num_glyphs <= length);
     Q_UNUSED(num_glyphs);
 
@@ -559 +558 @@
     si.glyph_data_offset = layoutData->used;
 
-    QFontEngine *font = fontEngine(si, &si.ascent, &si.descent);
+    QFontEngine *font = fontEngine(si, &si.ascent, &si.descent, &si.leading);
     if (font->type() != QFontEngine::Multi) {
         shapeTextWithHarfbuzz(item);
@@ -596 +595 @@
     }
 
-    while (true) {
-        ensureSpace(num_glyphs);
-        num_glyphs = layoutData->glyphLayout.numGlyphs - layoutData->used;
-
-        QGlyphLayout g = availableGlyphs(&si);
-        g.numGlyphs = num_glyphs;
-        unsigned short *log_clusters = logClusters(&si);
-
-        if (fe->stringToCMap(str,
-                             len,
-                             &g,
-                             &num_glyphs,
-                             flags,
-                             log_clusters,
-                             attributes())) {
-
-                heuristicSetGlyphAttributes(str, len, &g, log_clusters, num_glyphs);
-                break;
-        }
+    ensureSpace(num_glyphs);
+    num_glyphs = layoutData->glyphLayout.numGlyphs - layoutData->used;
+
+    QGlyphLayout g = availableGlyphs(&si);
+    g.numGlyphs = num_glyphs;
+    unsigned short *log_clusters = logClusters(&si);
+
+    bool stringToCMapFailed = false;
+    if (!fe->stringToCMap(str, len, &g, &num_glyphs, flags, log_clusters, attributes())) {
+        ensureSpace(num_glyphs);
+        stringToCMapFailed = fe->stringToCMap(str, len, &g, &num_glyphs, flags, log_clusters,
+                                              attributes());
     }
 
-    si.num_glyphs = num_glyphs;
-
-    layoutData->used += si.num_glyphs;
-
-    QGlyphLayout g = shapedGlyphs(&si);
-
-    if (si.analysis.script == QUnicodeTables::Arabic) {
-        QVarLengthArray<QArabicProperties> props(len + 2);
-        QArabicProperties *properties = props.data();
-        int f = si.position;
-        int l = len;
-        if (f > 0) {
-            --f;
-            ++l;
-            ++properties;
-        }
-        if (f + l < layoutData->string.length()) {
-            ++l;
-        }
-        qt_getArabicProperties((const unsigned short *)(layoutData->string.unicode()+f), l, props.data());
-
-        unsigned short *log_clusters = logClusters(&si);
-
-        for (int i = 0; i < len; ++i) {
-            int gpos = log_clusters[i];
-            g.attributes[gpos].justification = properties[i].justification;
+    if (!stringToCMapFailed) {
+        heuristicSetGlyphAttributes(str, len, &g, log_clusters, num_glyphs);
+
+        si.num_glyphs = num_glyphs;
+
+        layoutData->used += si.num_glyphs;
+
+        QGlyphLayout g = shapedGlyphs(&si);
+
+        if (si.analysis.script == QUnicodeTables::Arabic) {
+            QVarLengthArray<QArabicProperties> props(len + 2);
+            QArabicProperties *properties = props.data();
+            int f = si.position;
+            int l = len;
+            if (f > 0) {
+                --f;
+                ++l;
+                ++properties;
+            }
+            if (f + l < layoutData->string.length()) {
+                ++l;
+            }
+            qt_getArabicProperties((const unsigned short *)(layoutData->string.unicode()+f), l, props.data());
+
+            unsigned short *log_clusters = logClusters(&si);
+
+            for (int i = 0; i < len; ++i) {
+                int gpos = log_clusters[i];
+                g.attributes[gpos].justification = properties[i].justification;
+            }
         }
     }