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Allow variable tinting of the shadow. Use *.xft.tint: integer

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integer is a number -100 to 100 that specifies the alpha channel, with
negative numbers meaning lighten the background and positive being
darken.
This commit is contained in:
Scott Moynes 2002-10-23 02:46:47 +00:00
parent dc4957eed8
commit 1e36acfd91
3 changed files with 20 additions and 10 deletions
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22
src/Font.cc
View file

@ -49,7 +49,7 @@ string BFont::_fallback_font = "fixed";
#ifdef XFT
BFont::BFont(Display *d, BScreen *screen, const string &family, int size,
bool bold, bool italic, bool shadow, unsigned char offset,
unsigned char tint, bool antialias) :
int tint, bool antialias) :
_display(d),
_screen(screen),
_family(family),
@ -265,14 +265,22 @@ void BFont::drawString(Drawable d, int x, int y, const BColor &color,
_screen->getColormap());
assert(draw);
if (_shadow) {
XftColor c;
c.color.red = 0;
c.color.green = 0;
c.color.blue = 0;
c.color.alpha = _tint | _tint << 8; // transparent shadow
c.pixel = BlackPixel(_display, _screen->getScreenNumber());
if (_tint >= 0) {
c.color.red = 0;
c.color.green = 0;
c.color.blue = 0;
c.color.alpha = 0xffff * _tint/100; // transparent shadow
c.pixel = BlackPixel(_display, _screen->getScreenNumber());
} else {
c.color.red = 0xffff * -_tint/100;
c.color.green = 0xffff * -_tint/100;
c.color.blue = 0xffff * -_tint/100;
c.color.alpha = 0xffff * -_tint/100;
c.pixel = WhitePixel(_display, _screen->getScreenNumber());
}
#ifdef XFT_UTF8
XftDrawStringUtf8(
#else

4
src/Font.hh
View file

@ -73,7 +73,7 @@ private:
bool _antialias;
bool _shadow;
unsigned char _offset;
unsigned char _tint;
int _tint;
XftFont *_xftfont;
@ -99,7 +99,7 @@ public:
// loads an Xft font
BFont(Display *d, BScreen *screen, const std::string &family, int size,
bool bold, bool italic, bool shadow, unsigned char offset,
unsigned char tint, bool antialias = True);
int tint, bool antialias = True);
#endif
// loads a standard X font
BFont(Display *d, BScreen *screen, const std::string &xlfd);

4
src/Screen.cc
View file

@ -2750,11 +2750,13 @@ BFont *BScreen::readDatabaseFont(const string &rbasename,
offset = 1;
}
unsigned char tint = 0x40;
int tint = 25;
if (style.getValue(rbasename + "xft.shadow.tint", s)) {
tint = atoi(s.c_str());
}
if (tint > 100) tint = 100;
if (tint < -100) tint = -100;
BFont *b = new BFont(blackbox->getXDisplay(), this, family, i, bold,
italic, dropShadow && resource.shadow_fonts, offset,