Changeset 3843 in orxonox.OLD for orxonox/trunk/src/lib/graphics/text_engine.cc

Timestamp:

Apr 17, 2005, 12:27:53 AM (19 years ago)

Author:

bensch

Message:

orxonox/trunk: alignment for text implemented

File:

• orxonox/trunk/src/lib/graphics/text_engine.cc (modified) (5 diffs)

orxonox/trunk/src/lib/graphics/text_engine.cc

@@ -57 +57 @@
   this->font = font;
   this->text = NULL;
+  this->alignment = TEXT_DEFAULT_ALIGNMENT;
   this->texture = 0;
   this->blending = 1.0f;
@@ -101 +102 @@
   this->text = new char[strlen(text)+1];
   strcpy(this->text, text);
+
+
+  // setting up the Text-Width if DYNAMIC
+  if (this->type == TEXT_DYNAMIC)
+    {
+      Glyph** glyphArray = this->font->getGlyphArray();
+
+      int width = 0;
+      char* tmpText = this->text;
+      while (*tmpText != '\0')
+        {
+          if(glyphArray[*tmpText])
+            {
+              width += glyphArray[*tmpText]->width;
+            }
+          tmpText++;
+        }
+      this->posSize.w = width;
+    }
 }
 
@@ -112 +132 @@
   this->posSize.x = x;
   this->posSize.y = y;
+}
+
+/**
+   \brief sets the text-alignment
+   \param alignment the alignment to set
+*/
+void Text::setAlignment(TEXT_ALIGNMENT alignemnt)
+{
+  this->alignment = alignment;
 }
 
@@ -188 +217 @@
   glColor4f(1.0f,1.0f,1.0f, this->blending);
   glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+
+  glPushMatrix();
+  // transform for alignment.
+  if (this->alignment == TEXT_ALIGN_RIGHT)
+    glTranslatef(-this->posSize.w, 0, 0);
+  else   if (this->alignment == TEXT_ALIGN_CENTER)
+    glTranslatef(-this->posSize.w/2, 0, 0);
 
   // drawing this Text.
@@ -229 +265 @@
         }
     }
+  glPopMatrix();
   GraphicsEngine::leave2DMode();
 }