Added support for True Type Fonts using GUIChan's inbuilt SDLTrueType

class.

NOTE: This commit adds a brand new dependency (SDL_TTF). Make sure to
install it, regenerate your config files, reconfigure, and then install
before attempting to compile.

Signed-off-by: Ira Rice <irarice@gmail.com>

1 files changed, 171 insertions, 0 deletions

diff --git a/src/sdltruetypefont.cpp b/src/sdltruetypefont.cpp
new file mode 100644
index 00000000..937d2d63
--- /dev/null
+++ b/src/sdltruetypefont.cpp
@@ -0,0 +1,171 @@
+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
+ *
+ *
+ * Per Larsson a.k.a finalman
+ * Olof Naessén a.k.a jansem/yakslem
+ *
+ * Visit: http://guichan.sourceforge.net
+ *
+ * License: (BSD)
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name of Guichan nor the names of its contributors may
+ *    be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * For comments regarding functions please see the header file. 
+ */
+
+#include "sdltruetypefont.hpp"
+
+#include <guichan/exception.hpp>
+#include <guichan/image.hpp>
+#include <guichan/graphics.hpp>
+#include <guichan/sdl/sdlgraphics.hpp>
+
+namespace gcn
+{
+    namespace contrib
+    {
+        SDLTrueTypeFont::SDLTrueTypeFont (const std::string& filename, int size)
+        {
+            mRowSpacing = 0;
+            mGlyphSpacing = 0;
+            mAntiAlias = true;        
+            mFilename = filename;
+            mFont = NULL;
+        
+            mFont = TTF_OpenFont(filename.c_str(), size);
+        
+            if (mFont == NULL)
+            {
+                throw GCN_EXCEPTION("SDLTrueTypeFont::SDLTrueTypeFont. "+std::string(TTF_GetError()));
+            }
+        }
+    
+        SDLTrueTypeFont::~SDLTrueTypeFont()
+        {
+            TTF_CloseFont(mFont);
+        }
+  
+        int SDLTrueTypeFont::getWidth(const std::string& text) const
+        {
+            int w, h;
+            TTF_SizeText(mFont, text.c_str(), &w, &h);
+        
+            return w;
+        }
+
+        int SDLTrueTypeFont::getHeight() const
+        {
+            return TTF_FontHeight(mFont) + mRowSpacing;
+        }
+    
+        void SDLTrueTypeFont::drawString(Graphics* graphics, const std::string& text, const int x, const int y)
+        {
+            if (text == "")
+            {
+                return;
+            }
+        
+            SDLGraphics *sdlGraphics = dynamic_cast<SDLGraphics *>(graphics);
+
+            if (sdlGraphics == NULL)
+            {
+                throw GCN_EXCEPTION("SDLTrueTypeFont::drawString. Graphics object not an SDL graphics object!");
+                return;
+            }
+        
+            // This is needed for drawing the Glyph in the middle if we have spacing
+            int yoffset = getRowSpacing() / 2;
+        
+            Color col = sdlGraphics->getColor();
+
+            SDL_Color sdlCol;
+            sdlCol.b = col.b;
+            sdlCol.r = col.r;
+            sdlCol.g = col.g;
+
+            SDL_Surface *textSurface;
+            if (mAntiAlias)
+            {
+                textSurface = TTF_RenderText_Blended(mFont, text.c_str(), sdlCol);
+            }
+            else
+            {
+                textSurface = TTF_RenderText_Solid(mFont, text.c_str(), sdlCol);
+            }
+        
+            SDL_Rect dst, src;
+            dst.x = x;
+            dst.y = y + yoffset;
+            src.w = textSurface->w;
+            src.h = textSurface->h;
+            src.x = 0;
+            src.y = 0;
+        
+            sdlGraphics->drawSDLSurface(textSurface, src, dst);
+            SDL_FreeSurface(textSurface);        
+        }
+    
+        void SDLTrueTypeFont::setRowSpacing(int spacing)
+        {
+            mRowSpacing = spacing;
+        }
+
+        int SDLTrueTypeFont::getRowSpacing()
+        {
+            return mRowSpacing;
+        }
+    
+        void SDLTrueTypeFont::setGlyphSpacing(int spacing)
+        {
+            mGlyphSpacing = spacing;
+        }
+    
+        int SDLTrueTypeFont::getGlyphSpacing()
+        {
+            return mGlyphSpacing;
+        }
+
+        void SDLTrueTypeFont::setAntiAlias(bool antiAlias)
+        {
+            mAntiAlias = antiAlias;
+        }
+
+        bool SDLTrueTypeFont::isAntiAlias()
+        {
+            return mAntiAlias;        
+        }    
+    }
+}
+