Changeset 5339 in orxonox.OLD for trunk/src/lib/graphics/text_engine.cc

Timestamp:

Oct 9, 2005, 11:25:04 PM (20 years ago)

Author:

bensch

Message:

orxonox/trunk: fonts are now correctly loaded (from IMAGE) by the FontEngine

File:

• trunk/src/lib/graphics/text_engine.cc (modified) (7 diffs)

trunk/src/lib/graphics/text_engine.cc

@@ -453 +453 @@
 
   this->fastTextureID = this->createFastTexture();
+
+
+//  this->createAsciiImage("test.bmp");
 }
 
@@ -472 +475 @@
   if (xpmArray != NULL)
     this->loadFontFromXPMArray(xpmArray);
+
 }
 
@@ -569 +573 @@
       glNewList(glyph->displayList, GL_COMPILE); // Start Building A List
        glBegin(GL_QUADS);                           // Use A Quad For Each Character
-        glTexCoord2f(cx,1.0f-cy-0.0625f);            // Texture Coord (Bottom Left)
-        glVertex2d(0,16);                            // Vertex Coord (Bottom Left)
-        glTexCoord2f(cx+0.0625f,1.0f-cy-0.0625f);    // Texture Coord (Bottom Right)
-        glVertex2i(16,16);                           // Vertex Coord (Bottom Right)
-        glTexCoord2f(cx+0.0625f,1.0f-cy-0.001f);     // Texture Coord (Top Right)
+        glTexCoord2f(cx, cy+0.001f);            // Texture Coord (Bottom Left)
+        glVertex2d(0,-16);                            // Vertex Coord (Bottom Left)
+        glTexCoord2f(cx+0.0625f, cy+0.001f);    // Texture Coord (Bottom Right)
+        glVertex2i(16,-16);                           // Vertex Coord (Bottom Right)
+        glTexCoord2f(cx+0.0625f, cy+0.0625f);     // Texture Coord (Top Right)
         glVertex2i(16,0);                            // Vertex Coord (Top Right)
-        glTexCoord2f(cx,1.0f-cy-0.001f);             // Texture Coord (Top Left)
+        glTexCoord2f(cx, cy+0.0625f);             // Texture Coord (Top Left)
         glVertex2i(0,0);                             // Vertex Coord (Top Left)
        glEnd();                                     // Done Building Our Quad (Character)
@@ -621 +625 @@
 
 Font* Font::defaultFont = NULL;
+
+void Font::createAsciiImage(const char* fileName)
+{
+  if (this->font == NULL)
+    return;
+  int height = this->getMaxHeight();
+
+  //
+  SDL_Color tmpColor = {0, 0, 0};
+  // Surface definition.
+  SDL_Rect tmpRect; // this represents a Rectangle for blitting.
+  SDL_Surface* tmpSurf =  SDL_CreateRGBSurface(SDL_SWSURFACE,
+      height*16, height*16,
+      32,
+#if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */
+                                               0x000000FF,
+                                               0x0000FF00,
+                                               0x00FF0000,
+                                               0xFF000000
+#else
+                                                   0xFF000000,
+                                               0x00FF0000,
+                                               0x0000FF00,
+                                               0x000000FF
+#endif
+                                                );
+    tmpRect.x = 0; tmpRect.y = 0; tmpRect.w = tmpSurf->w; tmpRect.h = tmpSurf->h;
+    SDL_SetClipRect(tmpSurf, &tmpRect);
+    int maxLineHeight = 0;
+
+    int posX, posY;
+  // all the interessting Glyphs
+    for (posY = 0; posY < 16; posY++)
+    {
+      for (posX = 0; posX < 16; posX++)
+      {
+        SDL_Surface* glyphSurf = NULL;
+        if (likely(this->font != NULL))
+        {
+          SDL_Color white = {255, 255, 255};
+          glyphSurf = TTF_RenderGlyph_Blended(this->font, posX+16*posY, white);
+        }
+        if( glyphSurf != NULL )
+        {
+          tmpRect.x = height*posX;
+          tmpRect.y = height*posY;
+          SDL_SetAlpha(glyphSurf, 0, 0);
+
+          SDL_BlitSurface(glyphSurf, NULL, tmpSurf, &tmpRect);
+          SDL_FreeSurface(glyphSurf);
+              // Outputting Glyphs to BMP-files.
+/*
+          char outname[512];
+          if (i < 10)
+          sprintf( outname, "%s-glyph-00%d.bmp", this->getName(), i );
+          else if (i <100)
+          sprintf( outname, "%s-glyph-0%d.bmp", this->getName(), i );
+          else
+          sprintf( outname, "%s-glyph-%d.bmp", this->getName(), i );
+          SDL_SaveBMP(tmpSurf, outname);*/
+
+        }
+      }
+    }
+    SDL_SaveBMP(tmpSurf, fileName);
+    SDL_FreeSurface(tmpSurf);
+}
+
 /**
  * initializes the default font
@@ -747 +819 @@
 
   // all the interessting Glyphs
-  for (int i = 0; i <= 127; i++)
+  for (int i = 0; i < 128; i++)
     {
       SDL_Surface* glyphSurf = NULL;
@@ -882 +954 @@
     {
       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])
+          if((tmpGlyph = this->glyphArray[i]) != NULL)
             {
               // getting the height of the highest Glyph in the Line.
@@ -902 +974 @@
             }
         }
-      if (i == FONT_HIGHEST_KNOWN_CHAR)
+      if (i >= FONT_HIGHEST_KNOWN_CHAR-1 || size > 8192)
         sizeOK = true;
       else