--- a/src/gui/text/qfontengine_s60.cpp Fri Feb 19 23:40:16 2010 +0200
+++ b/src/gui/text/qfontengine_s60.cpp Fri Mar 12 15:46:37 2010 +0200
@@ -129,26 +129,62 @@
return uc;
}
+CFont *QFontEngineS60::fontWithSize(qreal size) const
+{
+ CFont *result = 0;
+ TFontSpec fontSpec(qt_QString2TPtrC(QFontEngine::fontDef.family), TInt(size));
+ fontSpec.iFontStyle.SetBitmapType(EAntiAliasedGlyphBitmap);
+ fontSpec.iFontStyle.SetPosture(QFontEngine::fontDef.style == QFont::StyleNormal?EPostureUpright:EPostureItalic);
+ fontSpec.iFontStyle.SetStrokeWeight(QFontEngine::fontDef.weight > QFont::Normal?EStrokeWeightBold:EStrokeWeightNormal);
+ const TInt errorCode = S60->screenDevice()->GetNearestFontToDesignHeightInPixels(result, fontSpec);
+ Q_ASSERT(result && (errorCode == 0));
+ return result;
+}
+
+void QFontEngineS60::setFontScale(qreal scale)
+{
+ if (qFuzzyCompare(scale, qreal(1))) {
+ if (!m_originalFont)
+ m_originalFont = fontWithSize(m_originalFontSizeInPixels);
+ m_activeFont = m_originalFont;
+ } else {
+ const qreal scaledFontSizeInPixels = m_originalFontSizeInPixels * scale;
+ if (!m_scaledFont ||
+ (TInt(scaledFontSizeInPixels) != TInt(m_scaledFontSizeInPixels))) {
+ releaseFont(m_scaledFont);
+ m_scaledFontSizeInPixels = scaledFontSizeInPixels;
+ m_scaledFont = fontWithSize(m_scaledFontSizeInPixels);
+ }
+ m_activeFont = m_scaledFont;
+ }
+}
+
+void QFontEngineS60::releaseFont(CFont *&font)
+{
+ if (font) {
+ S60->screenDevice()->ReleaseFont(font);
+ font = 0;
+ }
+}
+
QFontEngineS60::QFontEngineS60(const QFontDef &request, const QFontEngineS60Extensions *extensions)
: m_extensions(extensions)
+ , m_originalFont(0)
+ , m_originalFontSizeInPixels((request.pixelSize >= 0)?
+ request.pixelSize:pointsToPixels(request.pointSize))
+ , m_scaledFont(0)
+ , m_scaledFontSizeInPixels(0)
+ , m_activeFont(0)
{
QFontEngine::fontDef = request;
- m_fontSizeInPixels = (request.pixelSize >= 0)?
- request.pixelSize:pointsToPixels(request.pointSize);
-
- TFontSpec fontSpec(qt_QString2TPtrC(request.family), m_fontSizeInPixels);
- fontSpec.iFontStyle.SetBitmapType(EAntiAliasedGlyphBitmap);
- fontSpec.iFontStyle.SetPosture(request.style == QFont::StyleNormal?EPostureUpright:EPostureItalic);
- fontSpec.iFontStyle.SetStrokeWeight(request.weight > QFont::Normal?EStrokeWeightBold:EStrokeWeightNormal);
- const TInt errorCode = S60->screenDevice()->GetNearestFontToDesignHeightInPixels(m_font, fontSpec);
- Q_ASSERT(errorCode == 0);
-
+ setFontScale(1.0);
cache_cost = sizeof(QFontEngineS60);
}
QFontEngineS60::~QFontEngineS60()
{
- S60->screenDevice()->ReleaseFont(m_font);
+ releaseFont(m_originalFont);
+ releaseFont(m_scaledFont);
}
bool QFontEngineS60::stringToCMap(const QChar *characters, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const
@@ -251,12 +287,12 @@
QFixed QFontEngineS60::ascent() const
{
- return m_font->FontMaxAscent();
+ return m_originalFont->FontMaxAscent();
}
QFixed QFontEngineS60::descent() const
{
- return m_font->FontMaxDescent();
+ return m_originalFont->FontMaxDescent();
}
QFixed QFontEngineS60::leading() const
@@ -266,7 +302,7 @@
qreal QFontEngineS60::maxCharWidth() const
{
- return m_font->MaxCharWidthInPixels();
+ return m_originalFont->MaxCharWidthInPixels();
}
const char *QFontEngineS60::name() const
@@ -302,11 +338,11 @@
const TUint specialCode = (TUint)glyph | 0x80000000;
const CFont::TCharacterDataAvailability availability =
- m_font->GetCharacterData(specialCode, metrics, bitmap, bitmapSize);
+ m_activeFont->GetCharacterData(specialCode, metrics, bitmap, bitmapSize);
const glyph_t fallbackGlyph = '?';
if (availability != CFont::EAllCharacterData) {
const CFont::TCharacterDataAvailability fallbackAvailability =
- m_font->GetCharacterData(fallbackGlyph, metrics, bitmap, bitmapSize);
+ m_activeFont->GetCharacterData(fallbackGlyph, metrics, bitmap, bitmapSize);
Q_ASSERT(fallbackAvailability == CFont::EAllCharacterData);
}
}