namespace lyx {
namespace frontend {
+
+const float Painter::thin_line = 0.0;
GuiPainter::GuiPainter(QPaintDevice * device)
: QPainter(device), Painter(),
// new QPainter has default QPen:
current_color_ = guiApp->colorCache().get(Color_black);
current_ls_ = line_solid;
- current_lw_ = line_thin;
+ current_lw_ = thin_line;
}
void GuiPainter::setQPainterPen(QColor const & col,
- Painter::line_style ls, Painter::line_width lw)
+ Painter::line_style ls, float lw)
{
if (col == current_color_ && ls == current_ls_ && lw == current_lw_)
return;
case line_onoffdash: pen.setStyle(Qt::DotLine); break;
}
- switch (lw) {
- case line_thin: pen.setWidth(0); break;
- case line_thick: pen.setWidth(3); break;
- }
+ pen.setWidthF(lw);
setPen(pen);
}
sig.append(QChar(static_cast<short>(f.series())));
sig.append(QChar(static_cast<short>(f.realShape())));
sig.append(QChar(static_cast<short>(f.size())));
- sig.append(QChar(static_cast<short>(f.color())));
+ Color const & color = f.realColor();
+ sig.append(QChar(static_cast<short>(color.baseColor)));
+ sig.append(QChar(static_cast<short>(color.mergeColor)));
if (!monochrome_min_.empty()) {
QColor const & min = monochrome_min_.top();
QColor const & max = monochrome_max_.top();
}
-QColor GuiPainter::computeColor(ColorCode col)
+QColor GuiPainter::computeColor(Color col)
{
return filterColor(guiApp->colorCache().get(col));
}
}
-void GuiPainter::enterMonochromeMode(ColorCode const & min, ColorCode const & max)
+void GuiPainter::enterMonochromeMode(Color const & min, Color const & max)
{
QColor qmin = filterColor(guiApp->colorCache().get(min));
QColor qmax = filterColor(guiApp->colorCache().get(max));
void GuiPainter::leaveMonochromeMode()
{
- LASSERT(!monochrome_min_.empty(), /**/);
+ LASSERT(!monochrome_min_.empty(), return);
monochrome_min_.pop();
monochrome_max_.pop();
}
-void GuiPainter::point(int x, int y, ColorCode col)
+void GuiPainter::point(int x, int y, Color col)
{
if (!isDrawingEnabled())
return;
void GuiPainter::line(int x1, int y1, int x2, int y2,
- ColorCode col,
+ Color col,
line_style ls,
- line_width lw)
+ float lw)
{
if (!isDrawingEnabled())
return;
void GuiPainter::lines(int const * xp, int const * yp, int np,
- ColorCode col,
+ Color col,
line_style ls,
- line_width lw)
+ float lw)
{
if (!isDrawingEnabled())
return;
// double the size if needed
+ // FIXME THREAD
static QVector<QPoint> points(32);
if (np > points.size())
points.resize(2 * np);
void GuiPainter::rectangle(int x, int y, int w, int h,
- ColorCode col,
+ Color col,
line_style ls,
- line_width lw)
+ float lw)
{
if (!isDrawingEnabled())
return;
}
-void GuiPainter::fillRectangle(int x, int y, int w, int h, ColorCode col)
+void GuiPainter::fillRectangle(int x, int y, int w, int h, Color col)
{
if (!isDrawingEnabled())
return;
void GuiPainter::arc(int x, int y, unsigned int w, unsigned int h,
- int a1, int a2, ColorCode col)
+ int a1, int a2, Color col)
{
if (!isDrawingEnabled())
return;
}
-int GuiPainter::smallCapsText(int x, int y,
- QString const & s, FontInfo const & f)
-{
- FontInfo smallfont(f);
- smallfont.decSize().decSize().setShape(UP_SHAPE);
-
- QFont const & qfont = getFont(f);
- QFont const & qsmallfont = getFont(smallfont);
-
- setQPainterPen(computeColor(f.realColor()));
- int textwidth = 0;
- size_t const ls = s.length();
- for (unsigned int i = 0; i < ls; ++i) {
- QChar const c = s[i].toUpper();
- if (c != s.at(i)) {
- setFont(qsmallfont);
- } else {
- setFont(qfont);
- }
- if (isDrawingEnabled())
- drawText(x + textwidth, y, c);
- textwidth += fontMetrics().width(c);
- }
- return textwidth;
-}
-
-
int GuiPainter::text(int x, int y, docstring const & s,
FontInfo const & f)
{
int textwidth;
- if (f.realShape() == SMALLCAPS_SHAPE) {
- textwidth = smallCapsText(x, y, str, f);
- if (f.underbar() == FONT_ON)
- underline(f, x, y, textwidth);
- return textwidth;
- }
-
// Here we use the font width cache instead of
// textwidth = fontMetrics().width(str);
// because the above is awfully expensive on MacOSX
textwidth = fm.width(s);
- if (f.underbar() == FONT_ON)
- underline(f, x, y, textwidth);
+ textDecoration(f, x, y, textwidth);
if (!isDrawingEnabled())
return textwidth;
// same as that of a soft-hyphen (0x00ad), unless it
// occurs at a line-break. As a kludge, we force Qt to
// render this glyph using a one-column line.
+ // This is needed for some math glyphs.
+ // FIXME In texted, this behaves differently depending
+ // on lyxrc.force_paint_single_char status.
+ // Should the soft hyphen char be displayed at all?
+ // I don't think so (i.e., Qt is correct as far as
+ // texted is concerned). /spitz
if (s.size() == 1 && str[0].unicode() == 0x00ad) {
setQPainterPen(computeColor(f.realColor()));
QTextLayout adsymbol(str);
return textwidth;
}
- if (!use_pixmap_cache_) {
- // don't use the pixmap cache,
- // draw directly onto the painting device
- setQPainterPen(computeColor(f.realColor()));
- if (font() != ff)
- setFont(ff);
- // We need to draw the text as LTR as we use our own bidi code.
- QPainter::setLayoutDirection(Qt::LeftToRight);
- drawText(x, y, str);
- //LYXERR(Debug::PAINTING, "draw " << string(str.toUtf8())
- // << " at " << x << "," << y);
- return textwidth;
- }
+ if (use_pixmap_cache_) {
+ QPixmap pm;
+ QString key = generateStringSignature(str, f);
+
+ // Warning: Left bearing is in general negative! Only the case
+ // where left bearing is negative is of interest WRT the
+ // pixmap width and the text x-position.
+ // Only the left bearing of the first character is important
+ // as we always write from left to right, even for
+ // right-to-left languages.
+ int const lb = min(fm.lbearing(s[0]), 0);
+ int const mA = fm.maxAscent();
+ if (QPixmapCache::find(key, pm)) {
+ // Draw the cached pixmap.
+ drawPixmap(x + lb, y - mA, pm);
+ return textwidth;
+ }
- QPixmap pm;
- QString key = generateStringSignature(str, f);
- // Warning: Left bearing is in general negative! Only the case
- // where left bearing is negative is of interest WRT the the
- // pixmap width and the text x-position.
- // Only the left bearing of the first character is important
- // as we always write from left to right, even for
- // right-to-left languages.
- int const lb = min(fm.lbearing(s[0]), 0);
- int const mA = fm.maxAscent();
- if (!QPixmapCache::find(key, pm)) {
// Only the right bearing of the last character is
// important as we always write from left to right,
// even for right-to-left languages.
int const w = textwidth + rb - lb;
int const mD = fm.maxDescent();
int const h = mA + mD;
- pm = QPixmap(w, h);
- pm.fill(Qt::transparent);
- GuiPainter p(&pm);
- p.setQPainterPen(computeColor(f.realColor()));
- if (p.font() != ff)
- p.setFont(ff);
- // We need to draw the text as LTR as we use our own bidi code.
- p.setLayoutDirection(Qt::LeftToRight);
- p.drawText(-lb, mA, str);
- QPixmapCache::insert(key, pm);
- //LYXERR(Debug::PAINTING, "h=" << h << " mA=" << mA << " mD=" << mD
- // << " w=" << w << " lb=" << lb << " tw=" << textwidth
- // << " rb=" << rb);
+ if (w > 0 && h > 0) {
+ pm = QPixmap(w, h);
+ pm.fill(Qt::transparent);
+ GuiPainter p(&pm);
+ p.setQPainterPen(computeColor(f.realColor()));
+ if (p.font() != ff)
+ p.setFont(ff);
+ // We need to draw the text as LTR as we use our own bidi code.
+ p.setLayoutDirection(Qt::LeftToRight);
+ p.drawText(-lb, mA, str);
+ QPixmapCache::insert(key, pm);
+ //LYXERR(Debug::PAINTING, "h=" << h << " mA=" << mA << " mD=" << mD
+ // << " w=" << w << " lb=" << lb << " tw=" << textwidth
+ // << " rb=" << rb);
+
+ // Draw the new cached pixmap.
+ drawPixmap(x + lb, y - mA, pm);
+
+ return textwidth;
+ }
}
- // Draw the cached pixmap.
- drawPixmap(x + lb, y - mA, pm);
+ // don't use the pixmap cache,
+ // draw directly onto the painting device
+ setQPainterPen(computeColor(f.realColor()));
+ if (font() != ff)
+ setFont(ff);
+ // We need to draw the text as LTR as we use our own bidi code.
+ QPainter::setLayoutDirection(Qt::LeftToRight);
+ drawText(x, y, str);
+ //LYXERR(Debug::PAINTING, "draw " << string(str.toUtf8())
+ // << " at " << x << "," << y);
return textwidth;
}
+void GuiPainter::textDecoration(FontInfo const & f, int x, int y, int width)
+{
+ if (f.underbar() == FONT_ON)
+ underline(f, x, y, width);
+ if (f.strikeout() == FONT_ON)
+ strikeoutLine(f, x, y, width);
+ if (f.uuline() == FONT_ON)
+ doubleUnderline(f, x, y, width);
+ if (f.uwave() == FONT_ON)
+ // f.color() doesn't work on some circumstances
+ wavyHorizontalLine(x, y, width, f.realColor().baseColor);
+}
+
+
static int max(int a, int b) { return a > b ? a : b; }
void GuiPainter::rectText(int x, int y, docstring const & str,
- FontInfo const & font, ColorCode back, ColorCode frame)
+ FontInfo const & font, Color back, Color frame)
{
int width;
int ascent;
}
+void GuiPainter::doubleUnderline(FontInfo const & f, int x, int y, int width)
+{
+ FontMetrics const & fm = theFontMetrics(f);
+
+ int const below = max(fm.maxDescent() / 2, 2);
+
+ line(x, y + below, x + width, y + below, f.realColor());
+ line(x, y + below - 2, x + width, y + below - 2, f.realColor());
+}
+
+
void GuiPainter::underline(FontInfo const & f, int x, int y, int width)
{
FontMetrics const & fm = theFontMetrics(f);
}
+void GuiPainter::strikeoutLine(FontInfo const & f, int x, int y, int width)
+{
+ FontMetrics const & fm = theFontMetrics(f);
+
+ int const middle = max((fm.maxHeight() / 4), 1);
+ int const height = middle/3;
+
+ if (height < 2)
+ line(x, y - middle, x + width, y - middle, f.realColor());
+ else
+ fillRectangle(x, y - middle, width, height, f.realColor());
+}
+
+
void GuiPainter::dashedUnderline(FontInfo const & f, int x, int y, int width)
{
FontMetrics const & fm = theFontMetrics(f);
line(x, y + below + n, x + width, y + below + n, f.realColor(), line_onoffdash);
}
+
+void GuiPainter::wavyHorizontalLine(int x, int y, int width, ColorCode col)
+{
+ setQPainterPen(computeColor(col));
+ int const step = 2;
+ int const xend = x + width;
+ int height = 1;
+ //FIXME: I am not sure if Antialiasing gives the best effect.
+ //setRenderHint(Antialiasing, true);
+ while (x < xend) {
+ height = - height;
+ drawLine(x, y - height, x + step, y + height);
+ x += step;
+ drawLine(x, y + height, x + step/2, y + height);
+ x += step/2;
+ }
+ //setRenderHint(Antialiasing, false);
+}
+
} // namespace frontend
} // namespace lyx