Changeset 5122 in orxonox.OLD for trunk/src/lib/graphics/text_engine.cc

Timestamp:

Aug 25, 2005, 2:07:12 AM (20 years ago)

Author:

bensch

Message:

orxonox/trunk: optimized TextEngine, now the chars can also be copied fast by using a const char-pointer instead of copiing the whole text-array

File:

• trunk/src/lib/graphics/text_engine.cc (modified) (8 diffs)

trunk/src/lib/graphics/text_engine.cc

@@ -50 +50 @@
    a text with the TextEngine.
 */
-Text::Text(Font* font, int type)
+Text::Text(Font* font, TEXT_RENDER_TYPE type)
 {
   this->setClassID(CL_TEXT, "Text");
@@ -57 +57 @@
   this->font = font;
   this->text = NULL;
+  this->externText = NULL;
   this->setAlignment(TEXT_DEFAULT_ALIGNMENT);
   this->texture = 0;
-  this->blending = 1.0f;
-  this->color = Vector(1.0, 1.0, 1.0);
+  this->blending = TEXT_DEFAULT_BLENDING;
+  this->color = TEXT_DEFAULT_COLOR;
   this->setType(type);
 
-  this->setText(FONT_DEFAULT_TEXT);
+  this->setText(NULL);
 }
 
 /**
  *  deletes a Text out of memory
-
-   This also ereases the text from the textList of the TextEngine
+ *
+ * This also ereases the text from the textList of the TextEngine
 */
 Text::~Text()
 {
-  ResourceManager::getInstance()->unload(this->font);
+  if (this->font != NULL)
+    ResourceManager::getInstance()->unload(this->font);
 
   if (this->text)
@@ -83 +85 @@
  * @param type the type to set.
 */
-void Text::setType(int type)
+void Text::setType(TEXT_RENDER_TYPE type)
 {
   if (this->font->font)
     this->type = type;
   else
-    this->type = TEXT_DYNAMIC;
+    this->type = TEXT_RENDER_DYNAMIC;
 }
 
@@ -95 +97 @@
  * @param text the new text to set
 */
-void Text::setText(const char* text)
-{
-  if (this->text)
-    delete []this->text;
-  if (text != NULL)
+void Text::setText(const char* text, bool isExtern)
+{
+  if (isExtern)
   {
-    this->text = new char[strlen(text)+1];
-    strcpy(this->text, text);
+    this->externText = text;
+
+    if (unlikely(this->text != NULL))
+    {
+      delete[] this->text;
+      this->text = NULL;
+    }
   }
   else
   {
-    this->text = new char[1];
-    *this->text = '\0';
+    this->externText = NULL;
+    if (this->text)
+      delete[] this->text;
+    if (text != NULL)
+    {
+      this->text = new char[strlen(text)+1];
+      strcpy(this->text, text);
+    }
+    else
+    {
+      this->text = new char[1];
+      *this->text = '\0';
+    }
   }
 
-
   // setting up the Text-Width if DYNAMIC
-  if (this->type == TEXT_DYNAMIC && this->getAlignment() != TEXT_ALIGN_LEFT)
+  if (this->type & TEXT_RENDER_DYNAMIC && this->getAlignment() != TEXT_ALIGN_LEFT)
     {
       Glyph** glyphArray = this->font->getGlyphArray();
 
       int width = 0;
-      char* tmpText = this->text;
+      const char* tmpText = this->externText;
+      if (this->externText == NULL)
+        tmpText = this->text;
       while (*tmpText != '\0')
         {
@@ -177 +194 @@
   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, GL_MODULATE );
 
-  if(type == TEXT_STATIC)
-    {
-      glBindTexture(GL_TEXTURE_2D, this->texture);
-      glBegin(GL_QUADS);
-
-      glTexCoord2f(this->texCoord.minU, this->texCoord.minV);
-      glVertex2f(this->getAbsCoor2D().x,   this->getAbsCoor2D().y  );
-
-      glTexCoord2f(this->texCoord.maxU, this->texCoord.minV);
-      glVertex2f(this->getAbsCoor2D().x + this->posSize.w, this->getAbsCoor2D().y  );
-
-      glTexCoord2f(this->texCoord.maxU, this->texCoord.maxV);
-      glVertex2f(this->getAbsCoor2D().x + this->posSize.w, getAbsCoor2D().y + this->posSize.h);
-
-      glTexCoord2f(this->texCoord.minU, this->texCoord.maxV);
-      glVertex2f(getAbsCoor2D().x, getAbsCoor2D().y + this->posSize.h);
-
-      glEnd();
-    }
-  else //(if type == TEXT_DYNAMIC)
+  if(likely(type & TEXT_RENDER_DYNAMIC))
     {
       Glyph** glyphArray = this->font->getGlyphArray();
@@ -204 +202 @@
 //      glRotatef(this->getAbsDir2D(), 0,0,1);
 
-      const char* tmpText = this->text;
+      const char* tmpText = this->externText;
+      if (this->externText == NULL)
+        tmpText = this->text;
       while (*tmpText != '\0')
+      {
+        if(glyphArray[*tmpText])
         {
-          if(glyphArray[*tmpText])
-            {
-              glCallList(glyphArray[*tmpText]->displayList);
-              glTranslatef(glyphArray[*tmpText]->width, 0, 0);
-            }
-          tmpText++;
+          glCallList(glyphArray[*tmpText]->displayList);
+          glTranslatef(glyphArray[*tmpText]->width, 0, 0);
         }
+        tmpText++;
+      }    }
+  else //(if type & TEXT_RENDER_STATIC)
+    {
+      glBindTexture(GL_TEXTURE_2D, this->texture);
+      glBegin(GL_QUADS);
+
+      glTexCoord2f(this->texCoord.minU, this->texCoord.minV);
+      glVertex2f(this->getAbsCoor2D().x,   this->getAbsCoor2D().y  );
+
+      glTexCoord2f(this->texCoord.maxU, this->texCoord.minV);
+      glVertex2f(this->getAbsCoor2D().x + this->posSize.w, this->getAbsCoor2D().y  );
+
+      glTexCoord2f(this->texCoord.maxU, this->texCoord.maxV);
+      glVertex2f(this->getAbsCoor2D().x + this->posSize.w, getAbsCoor2D().y + this->posSize.h);
+
+      glTexCoord2f(this->texCoord.minU, this->texCoord.maxV);
+      glVertex2f(getAbsCoor2D().x, getAbsCoor2D().y + this->posSize.h);
+
+      glEnd();
+
     }
   glPopMatrix();
@@ -223 +242 @@
 void Text::debug() const
 {
-  PRINT(0)("=== TEXT: %s ===\n", this->text);
+  if (this->externText == NULL)
+    PRINT(0)("=== TEXT: %s ===\n", this->text);
+  else
+    PRINT(0)("=== TEXT: %s ===\n", this->externText);
+
   if (this->getBindNode())
     PRINT(0)("is bind to %s; ref=%p\n", this->getBindNode()->getName(), this->getBindNode());
@@ -808 +831 @@
       return NULL;
     }
-
-  return new Text(tmpFont, TEXT_DYNAMIC);
+  else
+    return new Text(tmpFont, TEXT_RENDER_DYNAMIC);
 }