alignment function

2 files changed, 38 insertions, 17 deletions

diff --git a/src/DrawUtil.cc b/src/DrawUtil.cc
index 868e4fa..f83c1ca 100644
--- a/src/DrawUtil.cc
+++ b/src/DrawUtil.cc
@@ -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
diff --git a/src/DrawUtil.hh b/src/DrawUtil.hh
index 48caeec..f3710ae 100644
--- a/src/DrawUtil.hh
+++ b/src/DrawUtil.hh
@@ -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