diff options
Diffstat (limited to 'src/gui/text')
-rw-r--r-- | src/gui/text/qcssparser.cpp | 16 | ||||
-rw-r--r-- | src/gui/text/qfont.cpp | 10 | ||||
-rw-r--r-- | src/gui/text/qfontdatabase_win.cpp | 12 | ||||
-rw-r--r-- | src/gui/text/qfontengine.cpp | 39 | ||||
-rw-r--r-- | src/gui/text/qfontengine_ft.cpp | 53 | ||||
-rw-r--r-- | src/gui/text/qfontengine_p.h | 2 | ||||
-rw-r--r-- | src/gui/text/qtextcursor.cpp | 5 | ||||
-rw-r--r-- | src/gui/text/qtextdocument.cpp | 2 | ||||
-rw-r--r-- | src/gui/text/qtextformat.h | 6 | ||||
-rw-r--r-- | src/gui/text/qtextlayout.cpp | 62 | ||||
-rw-r--r-- | src/gui/text/qtextobject.cpp | 2 | ||||
-rw-r--r-- | src/gui/text/qtexttable.cpp | 7 |
12 files changed, 169 insertions, 47 deletions
diff --git a/src/gui/text/qcssparser.cpp b/src/gui/text/qcssparser.cpp index db1e781..8214e54 100644 --- a/src/gui/text/qcssparser.cpp +++ b/src/gui/text/qcssparser.cpp @@ -278,19 +278,15 @@ static const QCssKnownValue values[NumKnownValues - 1] = { { "xx-large", Value_XXLarge } }; +//Map id to strings as they appears in the 'values' array above +static const int indexOfId[NumKnownValues] = { 0, 40, 47, 41, 48, 53, 34, 26, 68, 69, 25, 42, 5, 62, 46, + 29, 57, 58, 27, 50, 60, 6, 10, 38, 55, 19, 13, 17, 18, 20, 21, 49, 24, 45, 65, 36, 3, 2, 39, 61, 16, + 11, 56, 14, 32, 63, 54, 64, 33, 67, 8, 28, 37, 12, 35, 59, 7, 9, 4, 66, 52, 22, 23, 30, 31, 1, 15, 0, + 51, 44, 43 }; + QString Value::toString() const { - static int indexOfId[NumKnownValues - 1]; - static bool hasCachedIndexes = false; - if (type == KnownIdentifier) { - if (!hasCachedIndexes) { - for (int i = 0; i < NumKnownValues - 1; ++i) - indexOfId[values[i].id] = i; - - hasCachedIndexes = true; - } - return QLatin1String(values[indexOfId[variant.toInt()]].name); } else { return variant.toString(); diff --git a/src/gui/text/qfont.cpp b/src/gui/text/qfont.cpp index 43f5b1e..f73ffb5 100644 --- a/src/gui/text/qfont.cpp +++ b/src/gui/text/qfont.cpp @@ -890,7 +890,10 @@ int QFont::pointSize() const */ void QFont::setPointSize(int pointSize) { - Q_ASSERT_X (pointSize > 0, "QFont::setPointSize", "point size must be greater than 0"); + if (pointSize <= 0) { + qWarning("QFont::setPointSize: Point size <= 0 (%d), must be greater than 0", pointSize); + return; + } detach(); @@ -909,7 +912,10 @@ void QFont::setPointSize(int pointSize) */ void QFont::setPointSizeF(qreal pointSize) { - Q_ASSERT_X(pointSize > 0.0, "QFont::setPointSizeF", "point size must be greater than 0"); + if (pointSize <= 0) { + qWarning("QFont::setPointSizeF: Point size <= 0 (%f), must be greater than 0", pointSize); + return; + } detach(); diff --git a/src/gui/text/qfontdatabase_win.cpp b/src/gui/text/qfontdatabase_win.cpp index c9f5586..780ae28 100644 --- a/src/gui/text/qfontdatabase_win.cpp +++ b/src/gui/text/qfontdatabase_win.cpp @@ -699,6 +699,7 @@ QFontEngine *loadEngine(int script, const QFontPrivate *fp, const QFontDef &requ } bool stockFont = false; + bool preferClearTypeAA = false; HFONT hfont = 0; @@ -799,10 +800,12 @@ QFontEngine *loadEngine(int script, const QFontPrivate *fp, const QFontDef &requ #endif if (request.styleStrategy & QFont::PreferAntialias) { - if (QSysInfo::WindowsVersion >= QSysInfo::WV_XP) + if (QSysInfo::WindowsVersion >= QSysInfo::WV_XP) { qual = 5; // == CLEARTYPE_QUALITY; - else + preferClearTypeAA = true; + } else { qual = ANTIALIASED_QUALITY; + } } else if (request.styleStrategy & QFont::NoAntialias) { qual = NONANTIALIASED_QUALITY; } @@ -884,6 +887,9 @@ QFontEngine *loadEngine(int script, const QFontPrivate *fp, const QFontDef &requ } QFontEngineWin *few = new QFontEngineWin(font_name, hfont, stockFont, lf); + if (preferClearTypeAA) + few->glyphFormat = QFontEngineGlyphCache::Raster_RGBMask; + // Also check for OpenType tables when using complex scripts // ### TODO: This only works for scripts that require OpenType. More generally // for scripts that do not require OpenType we should just look at the list of @@ -1134,7 +1140,7 @@ static void getFamiliesAndSignatures(const QByteArray &fontData, QFontDatabasePr signature.fsUsb[1] = qFromBigEndian<quint32>(table + 46); signature.fsUsb[2] = qFromBigEndian<quint32>(table + 50); signature.fsUsb[3] = qFromBigEndian<quint32>(table + 54); - + signature.fsCsb[0] = qFromBigEndian<quint32>(table + 78); signature.fsCsb[1] = qFromBigEndian<quint32>(table + 82); } diff --git a/src/gui/text/qfontengine.cpp b/src/gui/text/qfontengine.cpp index 47fe5c2..d7a9c23 100644 --- a/src/gui/text/qfontengine.cpp +++ b/src/gui/text/qfontengine.cpp @@ -624,6 +624,45 @@ QImage QFontEngine::alphaRGBMapForGlyph(glyph_t glyph, int /* margin */, const Q return rgbMask; } +QImage QFontEngine::alphaMapForGlyph(glyph_t glyph) +{ + glyph_metrics_t gm = boundingBox(glyph); + int glyph_x = qFloor(gm.x.toReal()); + int glyph_y = qFloor(gm.y.toReal()); + int glyph_width = qCeil((gm.x + gm.width).toReal()) - glyph_x; + int glyph_height = qCeil((gm.y + gm.height).toReal()) - glyph_y; + + if (glyph_width <= 0 || glyph_height <= 0) + return QImage(); + QFixedPoint pt; + pt.x = 0; + pt.y = -glyph_y; // the baseline + QPainterPath path; + QImage im(glyph_width + qAbs(glyph_x) + 4, glyph_height, QImage::Format_ARGB32_Premultiplied); + im.fill(Qt::transparent); + QPainter p(&im); + p.setRenderHint(QPainter::Antialiasing); + addGlyphsToPath(&glyph, &pt, 1, &path, 0); + p.setPen(Qt::NoPen); + p.setBrush(Qt::black); + p.drawPath(path); + p.end(); + + QImage indexed(im.width(), im.height(), QImage::Format_Indexed8); + QVector<QRgb> colors(256); + for (int i=0; i<256; ++i) + colors[i] = qRgba(0, 0, 0, i); + indexed.setColorTable(colors); + + for (int y=0; y<im.height(); ++y) { + uchar *dst = (uchar *) indexed.scanLine(y); + uint *src = (uint *) im.scanLine(y); + for (int x=0; x<im.width(); ++x) + dst[x] = qAlpha(src[x]); + } + + return indexed; +} void QFontEngine::removeGlyphFromCache(glyph_t) { diff --git a/src/gui/text/qfontengine_ft.cpp b/src/gui/text/qfontengine_ft.cpp index cb0b436..6f5ee1f 100644 --- a/src/gui/text/qfontengine_ft.cpp +++ b/src/gui/text/qfontengine_ft.cpp @@ -613,7 +613,7 @@ QFontEngineFT::QFontEngineFT(const QFontDef &fd) subpixelType = Subpixel_None; lcdFilterType = 0; #if defined(FT_LCD_FILTER_H) - lcdFilterType = (int) FT_LCD_FILTER_DEFAULT; + lcdFilterType = (int)((quintptr) FT_LCD_FILTER_DEFAULT); #endif defaultFormat = Format_None; canUploadGlyphsToServer = false; @@ -1521,6 +1521,11 @@ bool QFontEngineFT::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs return false; } +#if !defined(QT_NO_FONTCONFIG) + extern QMutex *qt_fontdatabase_mutex(); + QMutex *mtx = 0; +#endif + bool mirrored = flags & QTextEngine::RightToLeft; int glyph_pos = 0; if (freetype->symbol_map) { @@ -1533,6 +1538,11 @@ bool QFontEngineFT::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs if ( !glyphs->glyphs[glyph_pos] ) { glyph_t glyph; #if !defined(QT_NO_FONTCONFIG) + if (!mtx) { + mtx = qt_fontdatabase_mutex(); + mtx->lock(); + } + if (FcCharSetHasChar(freetype->charset, uc)) { #else if (false) { @@ -1561,20 +1571,26 @@ bool QFontEngineFT::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs if (mirrored) uc = QChar::mirroredChar(uc); glyphs->glyphs[glyph_pos] = uc < QFreetypeFace::cmapCacheSize ? freetype->cmapCache[uc] : 0; - if (!glyphs->glyphs[glyph_pos] + if (!glyphs->glyphs[glyph_pos]) { #if !defined(QT_NO_FONTCONFIG) - && FcCharSetHasChar(freetype->charset, uc) + if (!mtx) { + mtx = qt_fontdatabase_mutex(); + mtx->lock(); + } + + if (FcCharSetHasChar(freetype->charset, uc)) #endif - ) { - redo: - glyph_t glyph = FT_Get_Char_Index(face, uc); - if (!glyph && (uc == 0xa0 || uc == 0x9)) { - uc = 0x20; - goto redo; + { + redo: + glyph_t glyph = FT_Get_Char_Index(face, uc); + if (!glyph && (uc == 0xa0 || uc == 0x9)) { + uc = 0x20; + goto redo; + } + glyphs->glyphs[glyph_pos] = glyph; + if (uc < QFreetypeFace::cmapCacheSize) + freetype->cmapCache[uc] = glyph; } - glyphs->glyphs[glyph_pos] = glyph; - if (uc < QFreetypeFace::cmapCacheSize) - freetype->cmapCache[uc] = glyph; } ++glyph_pos; } @@ -1583,6 +1599,11 @@ bool QFontEngineFT::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs *nglyphs = glyph_pos; glyphs->numGlyphs = glyph_pos; +#if !defined(QT_NO_FONTCONFIG) + if (mtx) + mtx->unlock(); +#endif + if (flags & QTextEngine::GlyphIndicesOnly) return true; @@ -1788,9 +1809,11 @@ QImage QFontEngineFT::alphaMapForGlyph(glyph_t g) GlyphFormat glyph_format = antialias ? Format_A8 : Format_Mono; - Glyph *glyph = loadGlyph(g, glyph_format); - if (!glyph) - return QImage(); + Glyph *glyph = defaultGlyphSet.outline_drawing ? 0 : loadGlyph(g, glyph_format); + if (!glyph) { + unlockFace(); + return QFontEngine::alphaMapForGlyph(g); + } const int pitch = antialias ? (glyph->width + 3) & ~3 : ((glyph->width + 31)/32) * 4; diff --git a/src/gui/text/qfontengine_p.h b/src/gui/text/qfontengine_p.h index 176c728..dc18991 100644 --- a/src/gui/text/qfontengine_p.h +++ b/src/gui/text/qfontengine_p.h @@ -178,7 +178,7 @@ public: * Create a qimage with the alpha values for the glyph. * Returns an image indexed_8 with index values ranging from 0=fully transparant to 255=opaque */ - virtual QImage alphaMapForGlyph(glyph_t) = 0; + virtual QImage alphaMapForGlyph(glyph_t); virtual QImage alphaMapForGlyph(glyph_t, const QTransform &t); virtual QImage alphaRGBMapForGlyph(glyph_t, int margin, const QTransform &t); diff --git a/src/gui/text/qtextcursor.cpp b/src/gui/text/qtextcursor.cpp index c327b9f..48963bb 100644 --- a/src/gui/text/qtextcursor.cpp +++ b/src/gui/text/qtextcursor.cpp @@ -1074,7 +1074,10 @@ QTextCursor::QTextCursor(const QTextCursor &cursor) } /*! - Makes a copy of \a cursor and assigns it to this QTextCursor. + Makes a copy of \a cursor and assigns it to this QTextCursor. Note + that QTextCursor is an \l{Implicitly Shared Classes}{implicitly + shared} class. + */ QTextCursor &QTextCursor::operator=(const QTextCursor &cursor) { diff --git a/src/gui/text/qtextdocument.cpp b/src/gui/text/qtextdocument.cpp index e84b324..873f846 100644 --- a/src/gui/text/qtextdocument.cpp +++ b/src/gui/text/qtextdocument.cpp @@ -287,7 +287,7 @@ QTextCodec *Qt::codecForHtml(const QByteArray &ba) that inform connected editor widgets about the state of the undo/redo system. - \sa QTextCursor QTextEdit \link richtext.html Rich Text Processing\endlink + \sa QTextCursor, QTextEdit, \link richtext.html Rich Text Processing\endlink , {Text Object Example} */ /*! diff --git a/src/gui/text/qtextformat.h b/src/gui/text/qtextformat.h index 0571d75..8eaeeb1 100644 --- a/src/gui/text/qtextformat.h +++ b/src/gui/text/qtextformat.h @@ -232,6 +232,12 @@ public: ImageWidth = 0x5010, ImageHeight = 0x5011, + // internal + /* + SuppressText = 0x5012, + SuppressBackground = 0x513 + */ + // selection properties FullWidthSelection = 0x06000, diff --git a/src/gui/text/qtextlayout.cpp b/src/gui/text/qtextlayout.cpp index 434d1ca..fa624ef 100644 --- a/src/gui/text/qtextlayout.cpp +++ b/src/gui/text/qtextlayout.cpp @@ -61,6 +61,8 @@ QT_BEGIN_NAMESPACE #define ObjectSelectionBrush (QTextFormat::ForegroundBrush + 1) +#define SuppressText 0x5012 +#define SuppressBackground 0x513 static inline QFixed leadingSpaceWidth(QTextEngine *eng, const QScriptLine &line) { @@ -1143,6 +1145,7 @@ void QTextLayout::draw(QPainter *p, const QPointF &pos, const QVector<FormatRang } QPainterPath excludedRegion; + QPainterPath textDoneRegion; for (int i = 0; i < selections.size(); ++i) { FormatRange selection = selections.at(i); const QBrush bg = selection.format.background(); @@ -1202,23 +1205,55 @@ void QTextLayout::draw(QPainter *p, const QPointF &pos, const QVector<FormatRang } + + bool hasText = (selection.format.foreground().style() != Qt::NoBrush); + bool hasBackground= (selection.format.background().style() != Qt::NoBrush); + + if (hasBackground) { + selection.format.setProperty(ObjectSelectionBrush, selection.format.property(QTextFormat::BackgroundBrush)); + // don't just clear the property, set an empty brush that overrides a potential + // background brush specified in the text + selection.format.setProperty(QTextFormat::BackgroundBrush, QBrush()); + selection.format.clearProperty(QTextFormat::OutlinePen); + } + + selection.format.setProperty(SuppressText, !hasText); + + if (hasText && !hasBackground && !(textDoneRegion & region).isEmpty()) + continue; + p->save(); p->setClipPath(region, Qt::IntersectClip); - selection.format.setProperty(ObjectSelectionBrush, selection.format.property(QTextFormat::BackgroundBrush)); - // don't just clear the property, set an empty brush that overrides a potential - // background brush specified in the text - selection.format.setProperty(QTextFormat::BackgroundBrush, QBrush()); - selection.format.clearProperty(QTextFormat::OutlinePen); - for (int line = firstLine; line < lastLine; ++line) { QTextLine l(line, d); l.draw(p, position, &selection); } p->restore(); - if (selection.format.foreground().style() != Qt::NoBrush) // i.e. we have drawn text - excludedRegion += region; + if (hasText) { + textDoneRegion += region; + } else { + if (hasBackground) + textDoneRegion -= region; + } + + excludedRegion += region; + } + + QPainterPath needsTextButNoBackground = excludedRegion - textDoneRegion; + if (!needsTextButNoBackground.isEmpty()){ + p->save(); + p->setClipPath(needsTextButNoBackground, Qt::IntersectClip); + FormatRange selection; + selection.start = 0; + selection.length = INT_MAX; + selection.format.setProperty(SuppressBackground, true); + for (int line = firstLine; line < lastLine; ++line) { + QTextLine l(line, d); + l.draw(p, position, &selection); + } + p->restore(); } if (!excludedRegion.isEmpty()) { @@ -1912,14 +1947,17 @@ static void drawMenuText(QPainter *p, QFixed x, QFixed y, const QScriptItem &si, static void setPenAndDrawBackground(QPainter *p, const QPen &defaultPen, const QTextCharFormat &chf, const QRectF &r) { QBrush c = chf.foreground(); - if (c.style() == Qt::NoBrush) + if (c.style() == Qt::NoBrush) { p->setPen(defaultPen); + } QBrush bg = chf.background(); - if (bg.style() != Qt::NoBrush) + if (bg.style() != Qt::NoBrush && !chf.property(SuppressBackground).toBool()) p->fillRect(r, bg); - if (c.style() != Qt::NoBrush) + if (c.style() != Qt::NoBrush) { p->setPen(QPen(c, 0)); + } + } /*! @@ -1933,7 +1971,7 @@ void QTextLine::draw(QPainter *p, const QPointF &pos, const QTextLayout::FormatR const QScriptLine &line = eng->lines[i]; QPen pen = p->pen(); - bool noText = (selection && selection->format.foreground().style() == Qt::NoBrush); + bool noText = (selection && selection->format.property(SuppressText).toBool()); if (!line.length) { if (selection diff --git a/src/gui/text/qtextobject.cpp b/src/gui/text/qtextobject.cpp index 3f4c8e5..71b68e0 100644 --- a/src/gui/text/qtextobject.cpp +++ b/src/gui/text/qtextobject.cpp @@ -76,7 +76,7 @@ QT_BEGIN_NAMESPACE objects, you will also need to reimplement QTextDocument::createObject() which acts as a factory method for creating text objects. - \sa QTextDocument + \sa QTextDocument, {Text Object Example} */ /*! diff --git a/src/gui/text/qtexttable.cpp b/src/gui/text/qtexttable.cpp index ba1c04f..48708c9 100644 --- a/src/gui/text/qtexttable.cpp +++ b/src/gui/text/qtexttable.cpp @@ -525,7 +525,12 @@ void QTextTablePrivate::update() const Rows and columns within a QTextTable can be merged and split using the mergeCells() and splitCell() functions. However, only cells that span multiple rows or columns can be split. (Merging or splitting does not increase or decrease - the number of rows and columns.) + the number of rows and columns.) + + Note that if you have merged multiple columns and rows into one cell, you will not + be able to split the merged cell into new cells spanning over more than one row + or column. To be able to split cells spanning over several rows and columns you + need to do this over several iterations. \table 80% \row |