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alignment function

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This commit is contained in:
fluxgen 2002-11-26 15:50:46 +00:00
parent e980fe8296
commit fe2e6b32e7
2 changed files with 38 additions and 17 deletions
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50
src/DrawUtil.cc
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@ -13,31 +13,49 @@
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id: DrawUtil.cc,v 1.9 2002/11/25 14:00:20 fluxgen Exp $
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif //HAVE_CONFIG_H
// $Id: DrawUtil.cc,v 1.10 2002/11/26 15:50:46 fluxgen Exp $
#include "DrawUtil.hh"
#include "StringUtil.hh"
#include "i18n.hh"
#include <cstdlib>
#include <cassert>
#include <cstdio>
#include <iostream>
#include <X11/Xutil.h>
using namespace std;
namespace DrawUtil {
int doAlignment(int max_width, int bevel, Font::FontJustify justify,
const FbTk::Font &font, const char * const text, size_t textlen, size_t &newlen) {
if (text == 0 || textlen == 0)
return 0;
int l = font.textWidth(text, textlen) + bevel;
size_t dlen = textlen;
int dx = bevel;
if (l > max_width) {
for (; dlen > 0; dlen--) {
l = font.textWidth(text, dlen) + bevel;
if (l<=max_width)
break;
}
}
newlen = dlen;
switch (justify) {
case DrawUtil::Font::RIGHT:
dx = max_width - l - bevel;
break;
case DrawUtil::Font::CENTER:
dx = (max_width - l)/2;
break;
case DrawUtil::Font::LEFT:
break;
}
return dx;
}
}; //end namespace DrawUtil

5
src/DrawUtil.hh
View file

@ -19,12 +19,13 @@
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id: DrawUtil.hh,v 1.8 2002/11/25 14:00:20 fluxgen Exp $
// $Id: DrawUtil.hh,v 1.9 2002/11/26 15:45:48 fluxgen Exp $
#ifndef DRAWUTIL_HH
#define DRAWUTIL_HH
#include <X11/Xlib.h>
#include "Font.hh"
namespace DrawUtil {
// note: obsolete!
@ -37,6 +38,8 @@ namespace DrawUtil {
FontJustify justify;
};
int doAlignment(int max_width, int bevel, Font::FontJustify justify,
const FbTk::Font &font, const char * const text, size_t textlen, size_t &newlen);
}; //end namespace DrawUtil
#endif //DRAWUTIL_HH