Changeset 8765 in orxonox.OLD for trunk/src/lib/graphics/text_engine/font_data.cc

Timestamp:

Jun 24, 2006, 3:49:33 AM (19 years ago)

Author:

bensch

Message:

trunk: much better loading of the Font

File:

• trunk/src/lib/graphics/text_engine/font_data.cc (modified) (15 diffs)

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

@@ -28 +28 @@
  */
 FontData::FontData()
-  : texData(new TextureData)
-{
-  printf("CREATE FONT_DATA\n");
-  this->fontTTF = NULL;
+    : texData(new TextureData)
+{
   this->glyphArray = NULL;
   this->renderStyle = TTF_STYLE_NORMAL;
   this->renderSize = FONT_DEFAULT_RENDER_SIZE;
+
+  this->maxHeight = 0;
+  this->maxAscent = 0;
+  this->maxDescent = 0;
 }
 
@@ -60 +62 @@
   //     if(glIsTexture(this->fastTextureID))
   //       glDeleteTextures(1, &this->fastTextureID);
-
-  // erease this font out of the memory.
-  if (likely(this->fontTTF != NULL))
-    TTF_CloseFont(this->fontTTF);
-}
-
-/**
- * @returns the maximum height of the Font, if the font was initialized, 0 otherwise
- */
-int FontData::getMaxHeight() const
-{
-  if (likely (this->fontTTF != NULL))
-    return TTF_FontHeight(this->fontTTF);
-  else
-    return 1;
-}
-
-/**
- * @returns the maximum ascent of the Font, if the font was initialized, 0 otherwise
- *
- * the ascent is the pixels of the font above the baseline
- */
-int FontData::getMaxAscent() const
-{
-  if (likely(this->fontTTF != NULL))
-    return TTF_FontAscent(this->fontTTF);
-  else
-    return 0;
-}
-
-/**
- * @returns the maximum descent of the Font, if the font was initialized, 0 otherwise
- *
- * the descent is the pixels of the font below the baseline
- */
-int FontData::getMaxDescent() const
-{
-  if (likely(this->fontTTF != NULL))
-    return TTF_FontDescent(this->fontTTF);
-  else
-    return 0;
-}
-
+}
 
 
@@ -112 +72 @@
 bool FontData::loadFontFromTTF(const std::string& fontFile, unsigned int renderSize)
 {
+  TTF_Font* fontTTF;
   //this->setName(fontFile);
-  this->fontTTF = TTF_OpenFont(fontFile.c_str(), renderSize);
+  fontTTF = TTF_OpenFont(fontFile.c_str(), renderSize);
   this->renderSize = renderSize;
 
-  if(this->fontTTF != NULL)
-  {
-    this->setStyle("c");
-    if (this->createFastTexture())
+  if(fontTTF != NULL)
+  {
+    this->maxHeight = TTF_FontHeight(fontTTF);
+    this->maxAscent = TTF_FontAscent(fontTTF);
+    this->maxDescent = TTF_FontDescent(fontTTF);
+
+    this->setStyle(fontTTF, "c");
+    if (this->createFastTexture(fontTTF))
+    {
+      TTF_CloseFont(fontTTF);
       return true;
+    }
+
     else
     {
+      TTF_CloseFont(fontTTF);
+      PRINTF(1)("Unable to createa a Fast Texture fot %s\n", fontFile.c_str() );
       return false;
     }
@@ -128 +99 @@
   else
   {
-    PRINTF(1)("TTF_OpenFont: %s\n", TTF_GetError());
+    PRINTF(1)("TTF_OpenFont: %s for %s\n", TTF_GetError(), fontFile.c_str());
     return false;
   }
@@ -194 +165 @@
  *   i: italic, b: bold, u, underline
  */
-void FontData::setStyle(const std::string& renderStyle)
+void FontData::setStyle(TTF_Font* font, const std::string& renderStyle)
 {
   this->renderStyle = TTF_STYLE_NORMAL;
@@ -207 +178 @@
       this->renderStyle |= TTF_STYLE_UNDERLINE;
   }
-  if (likely(this->fontTTF != NULL))
-    TTF_SetFontStyle(this->fontTTF, this->renderStyle);
+
+  /// !TODO REBUILD THE FONT
+
+  if (likely(font != NULL))
+      TTF_SetFontStyle(font, this->renderStyle);
   //  else
   //    PRINTF(2)("Font was not initialized, please do so before setting the Font-Style.\n");
@@ -225 +199 @@
  * for more info about vertical Fonts
  */
-bool FontData::getGlyphMetrics(Glyph* glyph, Uint16 character)
+bool FontData::getGlyphMetrics(TTF_Font* font, Glyph* glyph, Uint16 character)
 {
   glyph->character = character;
-  if (likely (this->fontTTF!= NULL))
+  if (likely (font != NULL))
   {
     int miX, maX, miY, maY, adv;
-    if (TTF_GlyphMetrics(this->fontTTF, glyph->character,
-        &miX, &maX,
-        &miY, &maY,
-        &adv) == -1)
+    if (TTF_GlyphMetrics(font, glyph->character,
+                         &miX, &maX,
+                         &miY, &maY,
+                         &adv) == -1)
       return false;
     glyph->minX = (float)miX / (float)this->renderSize;
@@ -259 +233 @@
  * @brief creates a Fast-Texture of this Font
  */
-bool FontData::createFastTexture()
+bool FontData::createFastTexture(TTF_Font* fontTTF)
 {
   /* interesting GLYPHS:
@@ -271 +245 @@
   int numberOfGlyphs = 91;
 
-  this->initGlyphs(32, numberOfGlyphs);
+  this->initGlyphs(fontTTF, 32, numberOfGlyphs);
   //  this->glyphArray[32]->width = .5f; //!< @todo find out the real size of a Space
 
@@ -281 +255 @@
   SDL_Rect tmpRect; // this represents a Rectangle for blitting.
   SDL_Surface* tmpSurf =  SDL_CreateRGBSurface(SDL_HWSURFACE,
-                                               rectSize, rectSize,
-                                               32,
+                          rectSize, rectSize,
+                          32,
 #if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */
                           0x000000FF,
@@ -289 +263 @@
                           0xFF000000
 #else
-                              0xFF000000,
+                          0xFF000000,
                           0x00FF0000,
                           0x0000FF00,
@@ -321 +295 @@
       }
       // reading in the new Glyph
-      if (likely(this->fontTTF != NULL))
+      if (likely(fontTTF != NULL))
       {
         SDL_Color white = {255, 255, 255};
-        glyphSurf = TTF_RenderGlyph_Blended(this->fontTTF, i, white);
+        glyphSurf = TTF_RenderGlyph_Blended(fontTTF, i, white);
       }
       if( glyphSurf != NULL )
@@ -344 +318 @@
   }
   // outputting the GLYPH-table
-//       char outName[1024];
-//       sprintf( outName, "%s-glyphs.bmp", this->getName());
-//       SDL_SaveBMP(tmpSurf, outName);
+  //       char outName[1024];
+  //       sprintf( outName, "%s-glyphs.bmp", this->getName());
+  //       SDL_SaveBMP(tmpSurf, outName);
   this->texData->setAlpha(true);
   if (this->texData->setSurface(tmpSurf))
@@ -358 +332 @@
  * @param count The number of Glyphs to start From.
  */
-void FontData::initGlyphs(Uint16 from, Uint16 count)
+void FontData::initGlyphs(TTF_Font* font, Uint16 from, Uint16 count)
 {
   /* initialize the Array, and set all its entries to NULL
@@ -376 +350 @@
     // setting up all the Glyphs we like.
     Glyph* newGlyph = new Glyph;
-    if (getGlyphMetrics(newGlyph, i))
+    if (getGlyphMetrics(font, newGlyph, i))
       this->glyphArray[i] = newGlyph;
     else