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-rw-r--r--src/gui/text/qfontengine_s60.cpp172
1 files changed, 160 insertions, 12 deletions
diff --git a/src/gui/text/qfontengine_s60.cpp b/src/gui/text/qfontengine_s60.cpp
index 93f02ff..925b3bf 100644
--- a/src/gui/text/qfontengine_s60.cpp
+++ b/src/gui/text/qfontengine_s60.cpp
@@ -50,21 +50,73 @@
#include <e32std.h>
#include <eikenv.h>
#include <gdi.h>
+#if defined(Q_SYMBIAN_HAS_FONTTABLE_API) || defined(Q_SYMBIAN_HAS_GLYPHOUTLINE_API)
+#include <graphics/gdi/gdiplatapi.h>
+#endif // Q_SYMBIAN_HAS_FONTTABLE_API || Q_SYMBIAN_HAS_GLYPHOUTLINE_API
QT_BEGIN_NAMESPACE
-QSymbianTypeFaceExtras::QSymbianTypeFaceExtras(CFont* fontOwner, COpenFont *font)
- : m_font(font)
- , m_cmap(0)
+#ifdef Q_SYMBIAN_HAS_FONTTABLE_API
+QSymbianTypeFaceExtras::QSymbianTypeFaceExtras(CFont* cFont, COpenFont *openFont)
+ : m_cFont(cFont)
, m_symbolCMap(false)
- , m_fontOwner(fontOwner)
+{
+ Q_UNUSED(openFont)
+}
+
+QSymbianTypeFaceExtras::~QSymbianTypeFaceExtras()
+{
+ QS60Data::screenDevice()->ReleaseFont(m_cFont);
+}
+
+QByteArray QSymbianTypeFaceExtras::getSfntTable(uint tag) const
+{
+ RFontTable fontTable;
+ if (fontTable.Open(*m_cFont, tag) != KErrNone)
+ return QByteArray();
+ const QByteArray byteArray(reinterpret_cast<const char *>
+ (fontTable.TableContent()),fontTable.TableLength());
+ fontTable.Close();
+ return byteArray;
+}
+
+bool QSymbianTypeFaceExtras::getSfntTableData(uint tag, uchar *buffer, uint *length) const
+{
+ RFontTable fontTable;
+ if (fontTable.Open(*m_cFont, tag) != KErrNone)
+ return false;
+
+ bool result = true;
+ const TInt tableByteLength = fontTable.TableLength();
+
+ if (*length > 0 && *length < tableByteLength) {
+ result = false; // Caller did not allocate enough memory
+ } else {
+ *length = tableByteLength;
+ if (buffer)
+ qMemCopy(buffer, fontTable.TableContent(), tableByteLength);
+ }
+
+ fontTable.Close();
+ return result;
+}
+
+#else // Q_SYMBIAN_HAS_FONTTABLE_API
+QSymbianTypeFaceExtras::QSymbianTypeFaceExtras(CFont* cFont, COpenFont *openFont)
+ : m_cFont(cFont)
+ , m_symbolCMap(false)
+ , m_openFont(openFont)
{
TAny *trueTypeExtension = NULL;
- m_font->ExtendedInterface(KUidOpenFontTrueTypeExtension, trueTypeExtension);
+ m_openFont->ExtendedInterface(KUidOpenFontTrueTypeExtension, trueTypeExtension);
m_trueTypeExtension = static_cast<MOpenFontTrueTypeExtension*>(trueTypeExtension);
Q_ASSERT(m_trueTypeExtension);
}
+QSymbianTypeFaceExtras::~QSymbianTypeFaceExtras()
+{
+}
+
QByteArray QSymbianTypeFaceExtras::getSfntTable(uint tag) const
{
Q_ASSERT(m_trueTypeExtension->HasTrueTypeTable(tag));
@@ -100,23 +152,25 @@ bool QSymbianTypeFaceExtras::getSfntTableData(uint tag, uchar *buffer, uint *len
m_trueTypeExtension->ReleaseTrueTypeTable(table);
return result;
}
+#endif // Q_SYMBIAN_HAS_FONTTABLE_API
-const unsigned char *QSymbianTypeFaceExtras::cmap() const
+const uchar *QSymbianTypeFaceExtras::cmap() const
{
- if (!m_cmap) {
- m_cmapTable = getSfntTable(MAKE_TAG('c', 'm', 'a', 'p'));
+ if (m_cmapTable.isNull()) {
+ const QByteArray cmapTable = getSfntTable(MAKE_TAG('c', 'm', 'a', 'p'));
int size = 0;
- m_cmap = QFontEngineS60::getCMap(reinterpret_cast<const uchar *>(m_cmapTable.constData()), m_cmapTable.size(), &m_symbolCMap, &size);
+ const uchar *cmap = QFontEngine::getCMap(reinterpret_cast<const uchar *>
+ (cmapTable.constData()), cmapTable.size(), &m_symbolCMap, &size);
+ m_cmapTable = QByteArray(reinterpret_cast<const char *>(cmap), size);
}
- return m_cmap;
+ return reinterpret_cast<const uchar *>(m_cmapTable.constData());
}
CFont *QSymbianTypeFaceExtras::fontOwner() const
{
- return m_fontOwner;
+ return m_cFont;
}
-
// duplicated from qfontengine_xyz.cpp
static inline unsigned int getChar(const QChar *str, int &i, const int len)
{
@@ -225,6 +279,35 @@ void QFontEngineS60::recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFla
}
}
+#ifdef Q_SYMBIAN_HAS_GLYPHOUTLINE_API
+static bool parseGlyphPathData(const char *dataStr, const char *dataEnd, QPainterPath &path,
+ qreal fontPixelSize, const QPointF &offset, bool hinted);
+#endif //Q_SYMBIAN_HAS_GLYPHOUTLINE_API
+
+void QFontEngineS60::addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions,
+ int nglyphs, QPainterPath *path,
+ QTextItem::RenderFlags flags)
+{
+#ifdef Q_SYMBIAN_HAS_GLYPHOUTLINE_API
+ Q_UNUSED(flags)
+ RGlyphOutlineIterator iterator;
+ const TInt error = iterator.Open(*m_activeFont, glyphs, nglyphs);
+ if (KErrNone != error)
+ return;
+ const qreal fontSizeInPixels = qreal(m_activeFont->HeightInPixels());
+ int count = 0;
+ do {
+ const TUint8* outlineUint8 = iterator.Outline();
+ const char* const outlineChar = reinterpret_cast<const char*>(outlineUint8);
+ const char* const outlineEnd = outlineChar + iterator.OutlineLength();
+ parseGlyphPathData(outlineChar, outlineEnd, *path, fontSizeInPixels,
+ positions[count++].toPointF(), false);
+ } while(KErrNone == iterator.Next() && count <= nglyphs);
+#else // Q_SYMBIAN_HAS_GLYPHOUTLINE_API
+ QFontEngine::addGlyphsToPath(glyphs, positions, nglyphs, path, flags);
+#endif //Q_SYMBIAN_HAS_GLYPHOUTLINE_API
+}
+
QImage QFontEngineS60::alphaMapForGlyph(glyph_t glyph)
{
TOpenFontCharMetrics metrics;
@@ -356,4 +439,69 @@ void QFontEngineS60::getCharacterData(glyph_t glyph, TOpenFontCharMetrics& metri
}
}
+#ifdef Q_SYMBIAN_HAS_GLYPHOUTLINE_API
+static inline void skipSpacesAndComma(const char* &str, const char* const strEnd)
+{
+ while (str <= strEnd && (*str == ' ' || *str == ','))
+ ++str;
+}
+
+static bool parseGlyphPathData(const char *svgPath, const char *svgPathEnd, QPainterPath &path,
+ qreal fontPixelSize, const QPointF &offset, bool hinted)
+{
+ Q_UNUSED(hinted)
+ QPointF p1, p2, firstSubPathPoint;
+ qreal *elementValues[] =
+ {&p1.rx(), &p1.ry(), &p2.rx(), &p2.ry()};
+ const int unitsPerEm = 2048; // See: http://en.wikipedia.org/wiki/Em_%28typography%29
+ const qreal resizeFactor = fontPixelSize / unitsPerEm;
+
+ while (svgPath < svgPathEnd) {
+ skipSpacesAndComma(svgPath, svgPathEnd);
+ const char pathElem = *svgPath++;
+ skipSpacesAndComma(svgPath, svgPathEnd);
+
+ if (pathElem != 'Z') {
+ char *endStr = 0;
+ int elementValuesCount = 0;
+ for (int i = 0; i < 4; ++i) { // 4 = size of elementValues[]
+ qreal coordinateValue = strtod(svgPath, &endStr);
+ if (svgPath == endStr)
+ break;
+ if (i % 2) // Flip vertically
+ coordinateValue = -coordinateValue;
+ *elementValues[i] = coordinateValue * resizeFactor;
+ elementValuesCount++;
+ svgPath = endStr;
+ skipSpacesAndComma(svgPath, svgPathEnd);
+ }
+ p1 += offset;
+ if (elementValuesCount == 2)
+ p2 = firstSubPathPoint;
+ else
+ p2 += offset;
+ }
+
+ switch (pathElem) {
+ case 'M':
+ firstSubPathPoint = p1;
+ path.moveTo(p1);
+ break;
+ case 'Z':
+ path.closeSubpath();
+ break;
+ case 'L':
+ path.lineTo(p1);
+ break;
+ case 'Q':
+ path.quadTo(p1, p2);
+ break;
+ default:
+ return false;
+ }
+ }
+ return true;
+}
+#endif // Q_SYMBIAN_HAS_GLYPHOUTLINE_API
+
QT_END_NAMESPACE