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* frontends/Painter:

Browse Source 
- text(): now returns drawn text width()

* rowpainter:
 - paintChars(): use the returned width from Painter::text() instead of recalculating it.

All other files: implement the API change. qt3 and gtk not 100% guaranted to compile nor work.






git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15294 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Abdelrazak Younes 2006-10-10 13:24:08 +00:00
parent f5f4b31f4a
commit 4add252628
9 changed files with 64 additions and 46 deletions
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13
src/frontends/Painter.h
View File

@ -132,19 +132,26 @@ public:
lyx::graphics::Image const & image) = 0;
/// draw a string at position x, y (y is the baseline)
virtual void text(int x, int y,
/**
* \return the width of the drawn text.
*/
virtual int text(int x, int y,
lyx::docstring const & str, LyXFont const & f) = 0;
/**
* Draw a string at position x, y (y is the baseline)
* This is just for fast drawing
* \return the width of the drawn text.
*/
virtual void text(int x, int y,
virtual int text(int x, int y,
lyx::char_type const * str, size_t l,
LyXFont const & f) = 0;
/// draw a char at position x, y (y is the baseline)
virtual void text(int x, int y,
/**
* \return the width of the drawn text.
*/
virtual int text(int x, int y,
lyx::char_type c, LyXFont const & f) = 0;
/**

26
src/frontends/gtk/GPainter.C
View File

@ -196,7 +196,7 @@ inline XftFont * getXftFont(LyXFont const & f)
} // anon namespace
void GPainter::text(int x, int y,
int GPainter::text(int x, int y,
char_type const * s, size_t ls,
LyXFont const & f)
{
@ -204,6 +204,8 @@ void GPainter::text(int x, int y,
XftColor * xftClr = owner_.getColorHandler().
getXftColor(f.realColor());
XftDraw * draw = owner_.getXftDraw();
int textwidth = 0;
if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
XftDrawString32(draw,
xftClr,
@ -211,11 +213,11 @@ void GPainter::text(int x, int y,
x, y,
reinterpret_cast<FcChar32 const *>(s),
ls);
textwidth = font_metrics::width(s, ls, f);
} else {
LyXFont smallfont(f);
smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
XftFont * fontS = getXftFont(smallfont);
int tmpx = x;
for (unsigned int i = 0; i < ls; ++i) {
// Ok, this looks quite ugly...
char_type c = gdk_keyval_to_unicode(gdk_keyval_to_upper(gdk_unicode_to_keyval(s[i])));
@ -223,35 +225,37 @@ void GPainter::text(int x, int y,
XftDrawString32(draw,
xftClr,
fontS,
tmpx, y,
x + textwidth, y,
reinterpret_cast<FcChar32 *>(&c),
1);
tmpx += font_metrics::width(c, smallfont);
textwidth += font_metrics::width(c, smallfont);
} else {
XftDrawString32(draw,
xftClr,
font,
tmpx, y,
x + textwidth, y,
reinterpret_cast<FcChar32 *>(&c),
1);
tmpx += font_metrics::width(c, f);
textwidth += font_metrics::width(c, f);
}
}
}
if (f.underbar() == LyXFont::ON)
underline(f, x, y, font_metrics::width(s, ls, f));
underline(f, x, y, textwidth);
return textwidth;
}
void GPainter::text(int x, int y, docstring const & s, LyXFont const & f)
int GPainter::text(int x, int y, docstring const & s, LyXFont const & f)
{
text (x, y, reinterpret_cast<char_type const *>(s.data()), s.size(), f);
return text (x, y, reinterpret_cast<char_type const *>(s.data()), s.size(), f);
}
void GPainter::text(int x, int y, char_type c, LyXFont const & f)
int GPainter::text(int x, int y, char_type c, LyXFont const & f)
{
text (x, y, &c, 1, f);
return text (x, y, &c, 1, f);
}

6
src/frontends/gtk/GPainter.h
View File

@ -97,16 +97,16 @@ public:
graphics::Image const & image);
/// draw a string at position x, y (y is the baseline)
virtual void text(int x, int y,
virtual int text(int x, int y,
lyx::docstring const & str, LyXFont const & f);
/// draw a string at position x, y (y is the baseline)
virtual void text(int x, int y,
virtual int text(int x, int y,
lyx::char_type const * str, size_t l,
LyXFont const & f);
/// draw a char at position x, y (y is the baseline)
virtual void text(int x, int y,
virtual int text(int x, int y,
lyx::char_type c, LyXFont const & f);
void start();

8
src/frontends/nullpainter.h
View File

@ -57,13 +57,13 @@ public:
///
void image(int, int, int, int, lyx::graphics::Image const &) {}
///
void text(int, int, lyx::docstring const &, LyXFont const &) {}
int text(int, int, lyx::docstring const &, LyXFont const &) { return 0; }
// ///
// void text(int, int, char const *, size_t, LyXFont const &) {}
// int text(int, int, char const *, size_t, LyXFont const &) { return 0; }
///
void text(int, int, lyx::char_type const *, size_t, LyXFont const &) {}
int text(int, int, lyx::char_type const *, size_t, LyXFont const &) { return 0; }
///
void text(int, int, lyx::char_type, LyXFont const &) {}
int text(int, int, lyx::char_type, LyXFont const &) { return 0; }
///
void rectText(int, int, lyx::docstring const &,
LyXFont const &, LColor_color, LColor_color) {}

29
src/frontends/qt3/QLPainter.C
View File

@ -159,21 +159,21 @@ void QLPainter::image(int x, int y, int w, int h,
}
void QLPainter::text(int x, int y, docstring const & s, LyXFont const & f)
int QLPainter::text(int x, int y, docstring const & s, LyXFont const & f)
{
lyxerr << "Drawing string" << endl;
return text(x, y, reinterpret_cast<lyx::char_type const *>(s.data()), s.length(), f);
}
void QLPainter::text(int x, int y, lyx::char_type c, LyXFont const & f)
int QLPainter::text(int x, int y, lyx::char_type c, LyXFont const & f)
{
char_type s[2] = { c, L'\0' };
return text(x, y, s, 1, f);
}
void QLPainter::smallCapsText(int x, int y,
int QLPainter::smallCapsText(int x, int y,
QString const & s, LyXFont const & f)
{
LyXFont smallfont(f);
@ -184,25 +184,27 @@ void QLPainter::smallCapsText(int x, int y,
QFontMetrics const & qfontm = QFontMetrics(qfont);
QFontMetrics const & qsmallfontm = QFontMetrics(qsmallfont);
int tmpx = x;
size_t ls = s.length();
int textwidth = 0;
for (size_t i = 0; i < ls; ++i) {
// Brain-dead MSVC wants at(i) rather than operator[]
QChar const c = s.at(i).upper();
if (c != s.at(i)) {
qp_->setFont(qsmallfont);
qp_->drawText(tmpx, y, c);
tmpx += qsmallfontm.width(c);
qp_->drawText(x + textwidth, y, c);
textwidth += qsmallfontm.width(c);
} else {
qp_->setFont(qfont);
qp_->drawText(tmpx, y, c);
tmpx += qfontm.width(c);
qp_->drawText(x + textwidth, y, c);
textwidth += qfontm.width(c);
}
}
return textwidth;
}
void QLPainter::text(int x, int y, lyx::char_type const * s, size_t ls,
int QLPainter::text(int x, int y, lyx::char_type const * s, size_t ls,
LyXFont const & f)
{
lyxerr << "Drawing lyx::char_type const * s" << endl;
@ -235,18 +237,23 @@ void QLPainter::text(int x, int y, lyx::char_type const * s, size_t ls,
str = ' ' + str;
#endif
int textwidth;
if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
qp_->setFont(fontloader.get(f));
// We need to draw the text as LTR as we use our own bidi
// code.
qp_->drawText(x, y, str, -1, QPainter::LTR);
textwidth = qp_->fontMetrics().width(str);
} else {
smallCapsText(x, y, str, f);
textwidth = smallCapsText(x, y, str, f);
}
if (f.underbar() == LyXFont::ON) {
underline(f, x, y, qp_->fontMetrics().width(str));
underline(f, x, y, textwidth);
}
return textwidth;
}
} // namespace frontend

8
src/frontends/qt3/QLPainter.h
View File

@ -98,22 +98,22 @@ public:
lyx::graphics::Image const & image);
/// draw a string at position x, y (y is the baseline)
virtual void text(int x, int y,
virtual int text(int x, int y,
lyx::docstring const & str, LyXFont const & f);
/** Draw a string at position x, y (y is the baseline)
* This is just for fast drawing
*/
virtual void text(int x, int y,
virtual int text(int x, int y,
lyx::char_type const * str, size_t l,
LyXFont const & f);
/// draw a char at position x, y (y is the baseline)
virtual void text(int x, int y,
virtual int text(int x, int y,
lyx::char_type c, LyXFont const & f);
private:
/// draw small caps text
void smallCapsText(int x, int y,
int smallCapsText(int x, int y,
QString const & str, LyXFont const & f);
/// set pen parameters

7
src/frontends/qt4/QLPainter.C
View File

@ -183,13 +183,13 @@ void QLPainter::image(int x, int y, int w, int h,
}
void QLPainter::text(int x, int y, docstring const & s, LyXFont const & f)
int QLPainter::text(int x, int y, docstring const & s, LyXFont const & f)
{
return text(x, y, reinterpret_cast<char_type const *>(s.data()), s.length(), f);
}
void QLPainter::text(int x, int y, char_type c, LyXFont const & f)
int QLPainter::text(int x, int y, char_type c, LyXFont const & f)
{
char_type s[2] = { c, char_type('\0') };
return text(x, y, s, 1, f);
@ -222,7 +222,7 @@ int QLPainter::smallCapsText(int x, int y,
}
void QLPainter::text(int x, int y, char_type const * s, size_t ls,
int QLPainter::text(int x, int y, char_type const * s, size_t ls,
LyXFont const & f)
{
#if 0
@ -260,6 +260,7 @@ void QLPainter::text(int x, int y, char_type const * s, size_t ls,
underline(f, x, y, textwidth);
}
return textwidth;
}

6
src/frontends/qt4/QLPainter.h
View File

@ -103,18 +103,18 @@ public:
lyx::graphics::Image const & image);
/// draw a string at position x, y (y is the baseline)
virtual void text(int x, int y,
virtual int text(int x, int y,
lyx::docstring const & str, LyXFont const & f);
/** Draw a string at position x, y (y is the baseline)
* This is just for fast drawing
*/
virtual void text(int x, int y,
virtual int text(int x, int y,
lyx::char_type const * str, size_t l,
LyXFont const & f);
/// draw a char at position x, y (y is the baseline)
virtual void text(int x, int y,
virtual int text(int x, int y,
lyx::char_type c, LyXFont const & f);
/// draw a pixmap from the image cache

7
src/rowpainter.C
View File

@ -316,12 +316,11 @@ void RowPainter::paintChars(pos_type & vpos, LyXFont font,
// Draw text and set the new x position
//lyxerr << "paint row: yo_ " << yo_ << "\n";
#if 0
pain_.text(int(x_), yo_, str, font);
x_ += theApp->fontLoader().metrics(font).width(str);
int width = pain_.text(int(x_), yo_, str, font);
#else
pain_.text(int(x_), yo_, &str[0], str.size(), font);
x_ += theApp->fontLoader().metrics(font).width(&str[0], str.size());
int width = pain_.text(int(x_), yo_, &str[0], str.size(), font);
#endif
x_ += width;
}