Changeset 769 for trunk/src/gui/text/qfontengine_s60.cpp

Timestamp:

Aug 2, 2010, 9:27:30 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.3 sources from branches/vendor/nokia/qt.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/gui/text/qfontengine_s60.cpp (modified) (10 diffs)

trunk/src/gui/text/qfontengine_s60.cpp

@@ -45 +45 @@
 #include <private/qapplication_p.h>
 #include "qimage.h"
-#include "qt_s60_p.h"
+#include <private/qt_s60_p.h>
 
 #include <e32base.h>
@@ -54 +54 @@
 QT_BEGIN_NAMESPACE
 
-QFontEngineS60Extensions::QFontEngineS60Extensions(CFont* fontOwner, COpenFont *font)
+QSymbianTypeFaceExtras::QSymbianTypeFaceExtras(CFont* fontOwner, COpenFont *font)
     : m_font(font)
     , m_cmap(0)
@@ -60 +60 @@
     , m_fontOwner(fontOwner)
 {
-    TAny *shapingExtension = NULL;
-    m_font->ExtendedInterface(KUidOpenFontShapingExtension, shapingExtension);
-    m_shapingExtension = static_cast<MOpenFontShapingExtension*>(shapingExtension);
     TAny *trueTypeExtension = NULL;
     m_font->ExtendedInterface(KUidOpenFontTrueTypeExtension, trueTypeExtension);
     m_trueTypeExtension = static_cast<MOpenFontTrueTypeExtension*>(trueTypeExtension);
-    Q_ASSERT(m_shapingExtension && m_trueTypeExtension);
-}
-
-QByteArray QFontEngineS60Extensions::getSfntTable(uint tag) const
+    Q_ASSERT(m_trueTypeExtension);
+}
+
+QByteArray QSymbianTypeFaceExtras::getSfntTable(uint tag) const
 {
     Q_ASSERT(m_trueTypeExtension->HasTrueTypeTable(tag));
@@ -80 +77 @@
 }
 
-const unsigned char *QFontEngineS60Extensions::cmap() const
+bool QSymbianTypeFaceExtras::getSfntTableData(uint tag, uchar *buffer, uint *length) const
+{
+    if (!m_trueTypeExtension->HasTrueTypeTable(tag))
+        return false;
+
+    bool result = true;
+    TInt error = KErrNone;
+    TInt tableByteLength;
+    TAny *table =
+        q_check_ptr(m_trueTypeExtension->GetTrueTypeTable(error, tag, &tableByteLength));
+
+    if (error != KErrNone) {
+        return false;
+    } else if (*length > 0 && *length < tableByteLength) {
+        result = false; // Caller did not allocate enough memory
+    } else {
+        *length = tableByteLength;
+        if (buffer)
+            qMemCopy(buffer, table, tableByteLength);
+    }
+
+    m_trueTypeExtension->ReleaseTrueTypeTable(table);
+    return result;
+}
+
+const unsigned char *QSymbianTypeFaceExtras::cmap() const
 {
     if (!m_cmap) {
@@ -90 +112 @@
 }
 
-QPainterPath QFontEngineS60Extensions::glyphOutline(glyph_t glyph) const
-{
-    QPainterPath result;
-    QPolygonF polygon;
-    TInt glyphIndex = glyph;
-    TInt pointNumber = 0;
-    TInt x, y;
-    while (m_shapingExtension->GlyphPointInFontUnits(glyphIndex, pointNumber++, x, y)) {
-        const QPointF point(qreal(x) / 0xffff, qreal(y) / 0xffff);
-        if (polygon.contains(point)) {
-            result.addPolygon(polygon);
-            result.closeSubpath();
-            polygon.clear();
-        } else {
-            polygon.append(point);
-        }
-    }
-    return result;
-}
-
-CFont *QFontEngineS60Extensions::fontOwner() const
+CFont *QSymbianTypeFaceExtras::fontOwner() const
 {
     return m_fontOwner;
@@ -168 +170 @@
 }
 
-QFontEngineS60::QFontEngineS60(const QFontDef &request, const QFontEngineS60Extensions *extensions)
-    : m_extensions(extensions)
+QFontEngineS60::QFontEngineS60(const QFontDef &request, const QSymbianTypeFaceExtras *extras)
+    : m_extras(extras)
     , m_originalFont(0)
     , m_originalFontSizeInPixels((request.pixelSize >= 0)?
@@ -196 +198 @@
 
     HB_Glyph *g = glyphs->glyphs;
-    const unsigned char* cmap = m_extensions->cmap();
+    const unsigned char* cmap = m_extras->cmap();
+    const bool isRtl = (flags & QTextEngine::RightToLeft);
     for (int i = 0; i < len; ++i) {
         const unsigned int uc = getChar(characters, i, len);
-        *g++ = QFontEngine::getTrueTypeGlyphIndex(cmap, uc);
+        *g++ = QFontEngine::getTrueTypeGlyphIndex(cmap,
+                        isRtl ? QChar::mirroredChar(uc) : uc);
     }
 
@@ -217 +221 @@
     for (int i = 0; i < glyphs->numGlyphs; i++) {
         const glyph_metrics_t bbox = boundingBox_const(glyphs->glyphs[i]);
-        glyphs->advances_x[i] = glyphs->offsets[i].x = bbox.xoff;
-        glyphs->advances_y[i] = glyphs->offsets[i].y = bbox.yoff;
+        glyphs->advances_x[i] = bbox.xoff;
+        glyphs->advances_y[i] = bbox.yoff;
     }
 }
@@ -313 +317 @@
 bool QFontEngineS60::canRender(const QChar *string, int len)
 {
-    const unsigned char *cmap = m_extensions->cmap();
+    const unsigned char *cmap = m_extras->cmap();
     for (int i = 0; i < len; ++i) {
         const unsigned int uc = getChar(string, i, len);
@@ -324 +328 @@
 QByteArray QFontEngineS60::getSfntTable(uint tag) const
 {
-    return m_extensions->getSfntTable(tag);
+    return m_extras->getSfntTable(tag);
+}
+
+bool QFontEngineS60::getSfntTableData(uint tag, uchar *buffer, uint *length) const
+{
+    return m_extras->getSfntTableData(tag, buffer, length);
 }