Changeset 5347 in orxonox.OLD for trunk/src/lib/graphics/text_engine/font.cc

Timestamp:

Oct 10, 2005, 3:07:04 AM (19 years ago)

Author:

bensch

Message:

orxonox/trunk: building Graphics as a lib names libORXgraphics.a

File:

• trunk/src/lib/graphics/text_engine/font.cc (modified) (14 diffs)

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

@@ -24 +24 @@
 #include <SDL/SDL_image.h>
 #endif
-#include "font.xpm"
+#include "default_font.xpm"
 
 #include "debug.h"
@@ -32 +32 @@
 
 /**
- * constructs a Font
+ * constructs a Font out of a TTF-FIle
  * @param fontFile the File to load the font from
  * @param fontSize the Size of the Font in Pixels
@@ -41 +41 @@
 
   this->setSize(fontSize);
+  this->setStyle("c");
 
   if (fontFile != NULL)
     this->loadFont(fontFile);
-
-  this->setStyle("c");//TTF_STYLE_NORMAL);
-
-  this->fastTextureID = this->createFastTexture();
-
-
-//  this->createAsciiImage("test.bmp");
+}
+
+/**
+ * constructs a Font out of an ImageFile
+ * @param imageFile the ImageFile to load the Font From.
+ */
+Font::Font(const char* imageFile)
+{
+  this->init();
+  this->setName(imageFile);
+  //  this->setSize(fontSize);
+  SDL_Surface* image = NULL;
+  if (imageFile != NULL)
+    image = IMG_Load(imageFile);
+  else
+    return;
+  if (image != NULL)
+  {
+    this->loadFontFromSDL_Surface(image);
+    SDL_FreeSurface(image);
+  }
+  else
+    PRINTF(1)("loading from surface %s failed: %s\n", imageFile, IMG_GetError());
 }
 
 /**
  * constructs a Font
- * @param fontFile the File to load the font from
- * @param fontSize the Size of the Font in Pixels
+ * @param xpmArray the xpm-ARRAY to load the font from
  */
 Font::Font(char** xpmArray)
 {
   this->init();
-
+  this->setName("XPM-array-font");
   //  this->setSize(fontSize);
   SDL_Surface* image = NULL;
@@ -73 +89 @@
   else
     PRINTF(1)("loading from surface failed: %s\n", IMG_GetError());
-
 }
 
@@ -91 +106 @@
       if (this->glyphArray[i] != NULL)
       {
-        glDeleteLists(this->glyphArray[i]->displayList, 1);
+        if (this->glyphArray[i]->displayList != 0)
+          glDeleteLists(this->glyphArray[i]->displayList, 1);
         delete this->glyphArray[i];
       }
@@ -97 +113 @@
     delete[] this->glyphArray;
   }
+
+  //! @todo check if we really do not need to delete the fastTextureID here.
+//   if (this->fastTextureID != 0)
+//     if(glIsTexture(this->fastTextureID))
+//       glDeleteTextures(1, &this->fastTextureID);
 
   // erease this font out of the memory.
@@ -123 +144 @@
 bool Font::loadFont(const char* fontFile)
 {
-  if (!this->getName())
-  {
-    this->setName(fontFile);
-
-    this->font = TTF_OpenFont(this->getName(), this->fontSize);
-    if(!this->font)
-    {
-      PRINTF(1)("TTF_OpenFont: %s\n", TTF_GetError());
+  // checking for existent Font.
+  if (this->font != NULL)
+  {
+    TTF_CloseFont(this->font);
+    this->font = NULL;
+  }
+  if (this->fastTextureID != 0)
+  {
+    if(glIsTexture(this->fastTextureID))
+      glDeleteTextures(1, &this->fastTextureID);
+    this->fastTextureID = 0;
+  }
+
+  this->setName(fontFile);
+  this->font = TTF_OpenFont(this->getName(), this->fontSize);
+
+  if(this->font != NULL)
+  {
+    this->fastTextureID = this->createFastTexture();
+    if (this->fastTextureID != 0)
+      return true;
+    else
       return false;
-    }
-    else
-      return true;
   }
   else
   {
-    PRINTF(2)("Font already initialized, unable to change it now.\n");
+    PRINTF(1)("TTF_OpenFont: %s\n", TTF_GetError());
     return false;
   }
+
 }
 
@@ -152 +185 @@
   if(surface == NULL)
     return false;
+
+  if (this->font != NULL)
+  {
+    TTF_CloseFont(this->font);
+    this->font = NULL;
+  }
+  if (this->fastTextureID != 0)
+  {
+    if(glIsTexture(this->fastTextureID))
+      glDeleteTextures(1, &this->fastTextureID);
+    this->fastTextureID = 0;
+  }
+
   this->fastTextureID = Text::loadTexture(surface, NULL);
 
@@ -195 +241 @@
 /**
  *  sets a specific renderStyle
- * @param renderStyle the Style to render: a char-array containing:
-   i: italic, b: bold, u, underline
+ * @param renderStyle the Style to render: a string (char-array) containing:
+ *   i: italic, b: bold, u, underline
  */
 void Font::setStyle(const char* renderStyle)
@@ -212 +258 @@
   if (likely(this->font != NULL))
     TTF_SetFontStyle(this->font, this->renderStyle);
-  else
-    PRINTF(2)("Font was not initialized, please do so before setting the Font-Style.\n");
+//  else
+//    PRINTF(2)("Font was not initialized, please do so before setting the Font-Style.\n");
 }
 
@@ -363 +409 @@
 {
   Glyph* rg = new Glyph;
+  rg->displayList = 0;
   rg->character = character;
   if (likely (this->font!= NULL))
@@ -537 +584 @@
  * @returns the optimal size to use as the texture size
 
-   @todo: this algorithm can be a lot more faster, althought it does
+   @todo: this algorithm can be a lot faster, althought it does
    not really matter within the init-context, and 128 glyphs.
 
@@ -545 +592 @@
 int Font::findOptimalFastTextureSize()
 {
+  if (this->glyphArray == NULL)
+    return 0;
+
   int i;
   int x,y; // the counters
@@ -555 +605 @@
   {
     x = 0; y = 0;
-    for (i = 0; i <= FONT_HIGHEST_KNOWN_CHAR; i++)
+    for (i = 0; i < FONT_HIGHEST_KNOWN_CHAR; i++)
     {
       if((tmpGlyph = this->glyphArray[i]) != NULL)