[QWin32PrintEngine] Do not do any language-specific processing

...and simply use the glyph indices provided by the QTextItemInt
(since we always provide the glyph indices, even for non-TTFs).

Task-number: QTBUG-40683
Change-Id: I276e9c6831a770e888f9ba0640353d20711a3d02
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
This commit is contained in:
Konstantin Ritt 2015-04-02 01:15:34 +04:00
parent b2f6406b6f
commit 7e721d24d7

View File

@ -69,7 +69,7 @@ extern QMarginsF qt_convertMargins(const QMarginsF &margins, QPageLayout::Unit f
// #define QT_DEBUG_METRICS
static void draw_text_item_win(const QPointF &_pos, const QTextItemInt &ti, HDC hdc,
bool convertToText, const QTransform &xform, const QPointF &topLeft);
const QTransform &xform, const QPointF &topLeft);
QWin32PrintEngine::QWin32PrintEngine(QPrinter::PrinterMode mode)
: QAlphaPaintEngine(*(new QWin32PrintEnginePrivate),
@ -309,27 +309,12 @@ void QWin32PrintEngine::drawTextItem(const QPointF &p, const QTextItem &textItem
return ;
}
// We only want to convert the glyphs to text if the entire string is compatible with ASCII
// and if we actually have access to the chars.
bool convertToText = ti.chars != 0;
for (int i=0; i < ti.num_chars; ++i) {
if (ti.chars[i].unicode() >= 0x80) {
convertToText = false;
break;
}
if (ti.logClusters[i] != i) {
convertToText = false;
break;
}
}
COLORREF cf = RGB(qRed(brushColor), qGreen(brushColor), qBlue(brushColor));
SelectObject(d->hdc, CreateSolidBrush(cf));
SelectObject(d->hdc, CreatePen(PS_SOLID, 1, cf));
SetTextColor(d->hdc, cf);
draw_text_item_win(p, ti, d->hdc, convertToText, d->matrix, QPointF(0.0, 0.0));
draw_text_item_win(p, ti, d->hdc, d->matrix, QPointF(0.0, 0.0));
DeleteObject(SelectObject(d->hdc,GetStockObject(HOLLOW_BRUSH)));
DeleteObject(SelectObject(d->hdc,GetStockObject(BLACK_PEN)));
}
@ -1682,7 +1667,7 @@ void QWin32PrintEnginePrivate::debugMetrics() const
}
static void draw_text_item_win(const QPointF &pos, const QTextItemInt &ti, HDC hdc,
bool convertToText, const QTransform &xform, const QPointF &topLeft)
const QTransform &xform, const QPointF &topLeft)
{
QPointF baseline_pos = xform.inverted().map(xform.map(pos) - topLeft);
@ -1692,24 +1677,20 @@ static void draw_text_item_win(const QPointF &pos, const QTextItemInt &ti, HDC h
const bool has_kerning = ti.f && ti.f->kerning();
HFONT hfont = 0;
bool ttf = false;
if (ti.fontEngine->type() == QFontEngine::Win) {
const QVariantMap userData = ti.fontEngine->userData().toMap();
const QVariant hfontV = userData.value(QStringLiteral("hFont"));
const QVariant ttfV = userData.value(QStringLiteral("trueType"));
if (ttfV.type() == QVariant::Bool && hfontV.canConvert<HFONT>()) {
if (ttfV.toBool() && hfontV.canConvert<HFONT>())
hfont = hfontV.value<HFONT>();
ttf = ttfV.toBool();
}
}
if (!hfont)
hfont = (HFONT)GetStockObject(ANSI_VAR_FONT);
HGDIOBJ old_font = SelectObject(hdc, hfont);
unsigned int options = (ttf && !convertToText) ? ETO_GLYPH_INDEX : 0;
wchar_t *convertedGlyphs = (wchar_t *)ti.chars;
unsigned int options = ETO_GLYPH_INDEX;
QGlyphLayout glyphs = ti.glyphs;
bool fast = !has_kerning && !(ti.flags & QTextItem::RightToLeft);
@ -1743,7 +1724,7 @@ static void draw_text_item_win(const QPointF &pos, const QTextItemInt &ti, HDC h
ExtTextOut(hdc,
qRound(baseline_pos.x() + glyphs.offsets[0].x.toReal()),
qRound(baseline_pos.y() + glyphs.offsets[0].y.toReal()),
options, 0, convertToText ? convertedGlyphs : g.data(), glyphs.numGlyphs, 0);
options, 0, g.constData(), glyphs.numGlyphs, 0);
} else {
QVarLengthArray<QFixedPoint> positions;
QVarLengthArray<glyph_t> _glyphs;
@ -1756,7 +1737,6 @@ static void draw_text_item_win(const QPointF &pos, const QTextItemInt &ti, HDC h
return;
}
convertToText = convertToText && glyphs.numGlyphs == _glyphs.size();
bool outputEntireItem = _glyphs.size() > 0;
if (outputEntireItem) {
@ -1772,7 +1752,7 @@ static void draw_text_item_win(const QPointF &pos, const QTextItemInt &ti, HDC h
glyphDistances[(_glyphs.size() - 1) * 2 + 1] = 0;
g[_glyphs.size() - 1] = _glyphs[_glyphs.size() - 1];
ExtTextOut(hdc, qRound(positions[0].x), qRound(positions[0].y), options, 0,
convertToText ? convertedGlyphs : g.data(), _glyphs.size(),
g.constData(), _glyphs.size(),
glyphDistances.data());
} else {
int i = 0;
@ -1781,7 +1761,7 @@ static void draw_text_item_win(const QPointF &pos, const QTextItemInt &ti, HDC h
ExtTextOut(hdc, qRound(positions[i].x),
qRound(positions[i].y), options, 0,
convertToText ? convertedGlyphs + i : &g, 1, 0);
&g, 1, 0);
++i;
}
}