#include "qt_helpers.h"
#include "Font.h"
-#include "Language.h"
#include "LyXRC.h"
-#include "insets/Inset.h"
-
-#include "support/lassert.h"
#include "support/debug.h"
+#include "support/lassert.h"
+#include "support/lyxlib.h"
+
+#include <algorithm>
#include <QPixmapCache>
#include <QTextLayout>
GuiPainter::GuiPainter(QPaintDevice * device, double pixel_ratio)
: QPainter(device), Painter(pixel_ratio),
- use_pixmap_cache_(lyxrc.use_pixmap_cache && USE_PIXMAP_CACHE)
+ use_pixmap_cache_(false)
{
// new QPainter has default QPen:
current_color_ = guiApp->colorCache().get(Color_black);
pen.setColor(col);
switch (ls) {
- case line_solid: pen.setStyle(Qt::SolidLine); break;
- case line_onoffdash: pen.setStyle(Qt::DotLine); break;
+ case line_solid:
+ case line_solid_aliased:
+ pen.setStyle(Qt::SolidLine); break;
+ case line_onoffdash:
+ pen.setStyle(Qt::DotLine); break;
}
pen.setWidth(lw);
// map into [min,max] interval
QColor const & min = monochrome_min_.top();
QColor const & max = monochrome_max_.top();
-
+
qreal v = col.valueF();
v *= v; // make it a bit steeper (i.e. darker)
-
+
qreal minr, ming, minb;
qreal maxr, maxg, maxb;
min.getRgbF(&minr, &ming, &minb);
max.getRgbF(&maxr, &maxg, &maxb);
-
+
QColor c;
c.setRgbF(
v * (minr - maxr) + maxr,
setQPainterPen(computeColor(col), ls, lw);
bool const do_antialiasing = renderHints() & TextAntialiasing
- && x1 != x2 && y1 != y2;
+ && x1 != x2 && y1 != y2 && ls != line_solid_aliased;
setRenderHint(Antialiasing, do_antialiasing);
drawLine(x1, y1, x2, y2);
setRenderHint(Antialiasing, false);
if (np > points.size())
points.resize(2 * np);
+ // Note: the proper way to not get blurry vertical and horizontal lines is
+ // to add 0.5 to all coordinates.
bool antialias = false;
for (int i = 0; i < np; ++i) {
points[i].setX(xp[i]);
QColor const color = computeColor(col);
setQPainterPen(color, ls, lw);
bool const text_is_antialiased = renderHints() & TextAntialiasing;
- setRenderHint(Antialiasing, antialias && text_is_antialiased);
+ setRenderHint(Antialiasing,
+ antialias && text_is_antialiased && ls != line_solid_aliased);
if (fs == fill_none) {
drawPolyline(points.data(), np);
} else {
QColor const color = computeColor(col);
setQPainterPen(color, ls, lw);
bool const text_is_antialiased = renderHints() & TextAntialiasing;
- setRenderHint(Antialiasing, text_is_antialiased);
+ setRenderHint(Antialiasing, text_is_antialiased && ls != line_solid_aliased);
drawPath(bpath);
if (fs != fill_none)
fillPath(bpath, QBrush(color));
}
-int GuiPainter::text(int x, int y, char_type c, FontInfo const & f)
+void GuiPainter::text(int x, int y, char_type c, FontInfo const & f)
+{
+ text(x, y, docstring(1, c), f);
+}
+
+
+void GuiPainter::text(int x, int y, docstring const & s, FontInfo const & f)
{
- return text(x, y, docstring(1, c), f);
+ text(x, y, s, f, Auto, 0.0, 0.0);
}
-void GuiPainter::do_drawText(int x, int y, QString str, bool rtl, FontInfo const & f, QFont ff)
+void GuiPainter::do_drawText(int x, int y, QString str,
+ GuiPainter::Direction const dir,
+ FontInfo const & f, QFont ff)
{
setQPainterPen(computeColor(f.realColor()));
if (font() != ff)
/* Use unicode override characters to enforce drawing direction
* Source: http://www.iamcal.com/understanding-bidirectional-text/
*/
- if (rtl)
+ if (dir == RtL)
// Right-to-left override: forces to draw text right-to-left
str = QChar(0x202E) + str;
- else
+ else if (dir == LtR)
// Left-to-right override: forces to draw text left-to-right
str = QChar(0x202D) + str;
drawText(x, y, str);
* Keep it here for now, in case it can be helpful
*/
//This is much stronger than setLayoutDirection.
- int flag = rtl ? Qt::TextForceRightToLeft : Qt::TextForceLeftToRight;
- drawText(x + (rtl ? textwidth : 0), y - fm.maxAscent(), 0, 0,
+ int flag = 0;
+ if (dir == RtL)
+ flag = Qt::TextForceRightToLeft;
+ else if (dir == LtR)
+ flag = Qt::TextForceLeftToRight;
+ drawText(x + ((dir == RtL) ? textwidth : 0), y - fm.maxAscent(), 0, 0,
flag | Qt::TextDontClip,
str);
#endif
}
-int GuiPainter::text(int x, int y, docstring const & s,
- FontInfo const & f, bool const rtl,
- double const wordspacing)
+void GuiPainter::text(int x, int y, docstring const & s,
+ FontInfo const & f, Direction const dir,
+ double const wordspacing, double const tw)
{
//LYXERR0("text: x=" << x << ", s=" << s);
- if (s.empty())
- return 0;
+ if (s.empty() || !isDrawingEnabled())
+ return;
/* Caution: The following ucs4 to QString conversions work for symbol fonts
only because they are no real conversions but simple casts in reality.
of the symbol in the font (as given in lib/symbols) as a char_type to the
frontend. This is just wrong, because the symbol is no UCS4 character at
all. You can think of this number as the code point of the symbol in a
- custom symbol encoding. It works because this char_type is lateron again
- interpreted as a position in the font again.
+ custom symbol encoding. It works because this char_type is later on again
+ interpreted as a position in the font.
The correct solution would be to have extra functions for symbols, but that
would require to duplicate a lot of frontend and mathed support code.
*/
ff.setWordSpacing(wordspacing);
GuiFontMetrics const & fm = getFontMetrics(f);
- // Here we use the font width cache instead of
- // textwidth = fontMetrics().width(str);
- // because the above is awfully expensive on MacOSX
- // Note that we have to take in account space stretching (word spacing)
- int const textwidth = fm.width(s) + count(s.begin(), s.end(), ' ') * wordspacing;
-
- if (!isDrawingEnabled())
- return textwidth;
+ int textwidth = 0;
+ if (tw == 0.0)
+ // Note that we have to take in account space stretching (word spacing)
+ textwidth = fm.width(s) +
+ static_cast<int>(fm.countExpanders(s) * wordspacing);
+ else
+ textwidth = static_cast<int>(tw);
textDecoration(f, x, y, textwidth);
if (QPixmapCache::find(key, pm)) {
// Draw the cached pixmap.
drawPixmap(x + lb, y - mA, pm);
- return textwidth;
+ return;
}
// Only the right bearing of the last character is
#endif
pm.fill(Qt::transparent);
GuiPainter p(&pm, pixelRatio());
- p.do_drawText(-lb, mA, str, rtl, f, ff);
+ p.do_drawText(-lb, mA, str, dir, f, ff);
QPixmapCache::insert(key, pm);
//LYXERR(Debug::PAINTING, "h=" << h << " mA=" << mA << " mD=" << mD
// << " w=" << w << " lb=" << lb << " tw=" << textwidth
drawPixmap(x + lb, y - mA, pm);
//rectangle(x-lb, y-mA, w, h, Color_green);
}
- return textwidth;
+ return;
}
- // don't use the pixmap cache,
- do_drawText(x, y, str, rtl, f, ff);
+ // don't use the pixmap cache
+ setQPainterPen(computeColor(f.realColor()));
+ if (dir != Auto) {
+ shared_ptr<QTextLayout const> ptl =
+ fm.getTextLayout(s, dir == RtL, wordspacing);
+ ptl->draw(this, QPointF(x, y - fm.maxAscent()));
+ }
+ else {
+ if (font() != ff)
+ setFont(ff);
+ drawText(x, y, str);
+ }
//LYXERR(Debug::PAINTING, "draw " << string(str.toUtf8())
// << " at " << x << "," << y);
- return textwidth;
}
-int GuiPainter::text(int x, int y, docstring const & str, Font const & f,
- double const wordspacing)
+void GuiPainter::text(int x, int y, docstring const & str, Font const & f,
+ double const wordspacing, double const tw)
{
- return text(x, y, str, f.fontInfo(), f.isVisibleRightToLeft(), wordspacing);
+ text(x, y, str, f.fontInfo(), f.isVisibleRightToLeft() ? RtL : LtR,
+ wordspacing, tw);
}
-int GuiPainter::text(int x, int y, docstring const & str, Font const & f,
- Color other, size_type const from, size_type const to,
- double const wordspacing)
+void GuiPainter::text(int x, int y, docstring const & str, Font const & f,
+ Color other, size_type const from, size_type const to,
+ double const wordspacing, double const tw)
{
GuiFontMetrics const & fm = getFontMetrics(f.fontInfo());
FontInfo fi = f.fontInfo();
- bool const rtl = f.isVisibleRightToLeft();
+ Direction const dir = f.isVisibleRightToLeft() ? RtL : LtR;
// dimensions
int const ascent = fm.maxAscent();
int const height = fm.maxAscent() + fm.maxDescent();
- int xmin = fm.pos2x(str, from, rtl, wordspacing);
- int xmax = fm.pos2x(str, to, rtl, wordspacing);
+ int xmin = fm.pos2x(str, from, dir == RtL, wordspacing);
+ int xmax = fm.pos2x(str, to, dir == RtL, wordspacing);
if (xmin > xmax)
swap(xmin, xmax);
fi.setPaintColor(other);
QRegion const clip(x + xmin, y - ascent, xmax - xmin, height);
setClipRegion(clip);
- int const textwidth = text(x, y, str, fi, rtl, wordspacing);
+ text(x, y, str, fi, dir, wordspacing, tw);
// Then the part in normal color
// Note that in Qt5, it is not possible to use Qt::UniteClip,
fi.setPaintColor(orig);
QRegion region(viewport());
setClipRegion(region - clip);
- text(x, y, str, fi, rtl, wordspacing);
+ text(x, y, str, fi, dir, wordspacing, tw);
setClipping(false);
-
- return textwidth;
}
underline(f, x, y, width);
if (f.strikeout() == FONT_ON)
strikeoutLine(f, x, y, width);
+ if (f.xout() == FONT_ON)
+ crossoutLines(f, x, y, width);
if (f.uuline() == FONT_ON)
doubleUnderline(f, x, y, width);
if (f.uwave() == FONT_ON)
static int max(int a, int b) { return a > b ? a : b; }
-void GuiPainter::button(int x, int y, int w, int h, bool mouseHover)
-{
- if (mouseHover)
- fillRectangle(x, y, w, h, Color_buttonhoverbg);
- else
- fillRectangle(x, y, w, h, Color_buttonbg);
- buttonFrame(x, y, w, h);
-}
-
-
-void GuiPainter::buttonFrame(int x, int y, int w, int h)
-{
- line(x, y, x, y + h - 1, Color_buttonframe);
- line(x - 1 + w, y, x - 1 + w, y + h - 1, Color_buttonframe);
- line(x, y - 1, x - 1 + w, y - 1, Color_buttonframe);
- line(x, y + h - 1, x - 1 + w, y + h - 1, Color_buttonframe);
-}
-
-
void GuiPainter::rectText(int x, int y, docstring const & str,
FontInfo const & font, Color back, Color frame)
{
- int width;
- int ascent;
- int descent;
+ int width, ascent, descent;
FontMetrics const & fm = theFontMetrics(font);
fm.rectText(str, width, ascent, descent);
if (frame != Color_none)
rectangle(x, y - ascent, width, ascent + descent, frame);
+ // FIXME: let offset depend on font
text(x + 3, y, str, font);
}
-void GuiPainter::buttonText(int x, int y, docstring const & str,
- FontInfo const & font, bool mouseHover)
+void GuiPainter::buttonText(int x, int baseline, docstring const & s,
+ FontInfo const & font, Color back, Color frame, int offset)
{
- int width;
- int ascent;
- int descent;
+ int width, ascent, descent;
FontMetrics const & fm = theFontMetrics(font);
- fm.buttonText(str, width, ascent, descent);
+ fm.buttonText(s, offset, width, ascent, descent);
- static int const d = Inset::TEXT_TO_INSET_OFFSET / 2;
+ static int const d = offset / 2;
- button(x + d, y - ascent, width - d, descent + ascent, mouseHover);
- text(x + Inset::TEXT_TO_INSET_OFFSET, y, str, font);
+ fillRectangle(x + d + 1, baseline - ascent + 1, width - offset - 1,
+ ascent + descent - 1, back);
+ rectangle(x + d, baseline - ascent, width - offset, ascent + descent, frame);
+ text(x + offset, baseline, s, font);
}
}
+void GuiPainter::crossoutLines(FontInfo const & f, int x, int y, int width)
+{
+ FontInfo tmpf = f;
+ tmpf.setXout(FONT_OFF);
+
+ // the definition of \xout in ulem.sty is
+ // \def\xout{\bgroup \markoverwith{\hbox to.35em{\hss/\hss}}\ULon}
+ // Let's mimick it somewhat.
+ double offset = max(0.35 * theFontMetrics(tmpf).em(), 1);
+ for (int i = 0 ; i < iround(width / offset) ; ++i)
+ text(x + iround(i * offset), y, '/', tmpf);
+}
+
+
void GuiPainter::doubleUnderline(FontInfo const & f, int x, int y, int width)
{
FontMetrics const & fm = theFontMetrics(f);
projects / lyx.git / blobdiff