Add guichan files to automake

1 files changed, 187 insertions, 0 deletions

diff --git a/src/guichan/graphics.cpp b/src/guichan/graphics.cpp
new file mode 100644
index 000000000..688362c12
--- /dev/null
+++ b/src/guichan/graphics.cpp
@@ -0,0 +1,187 @@
+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * 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 "guichan/graphics.hpp"
+
+#include "guichan/exception.hpp"
+#include "guichan/font.hpp"
+#include "guichan/image.hpp"
+
+namespace gcn
+{
+
+    Graphics::Graphics()
+    {
+        mFont = NULL;
+    }
+
+    bool Graphics::pushClipArea(Rectangle area)
+    {
+        // Ignore area with a negate width or height
+        // by simple pushing an empty clip area
+        // to the stack.
+        if (area.width < 0 || area.height < 0)
+        {
+            ClipRectangle carea;
+            mClipStack.push(carea);
+            return true;
+        }
+            
+        if (mClipStack.empty())
+        {
+            ClipRectangle carea;
+            carea.x = area.x;
+            carea.y = area.y;
+            carea.width = area.width;
+            carea.height = area.height;
+            carea.xOffset = area.x;
+            carea.yOffset = area.y;
+            mClipStack.push(carea);
+            return true; 
+        }
+
+        const ClipRectangle &top = mClipStack.top();
+        ClipRectangle carea;
+        carea = area;
+        carea.xOffset = top.xOffset + carea.x;
+        carea.yOffset = top.yOffset + carea.y;
+        carea.x += top.xOffset;
+        carea.y += top.yOffset;
+
+        // Clamp the pushed clip rectangle.
+        if (carea.x < top.x)
+        {
+            carea.x = top.x;
+        }
+        
+        if (carea.y < top.y)
+        {
+            carea.y = top.y;            
+        }
+                
+        if (carea.x + carea.width > top.x + top.width)
+        {
+            carea.width = top.x + top.width - carea.x;
+
+            if (carea.width < 0)
+            {
+                carea.width = 0;
+            }
+        }
+        
+        if (carea.y + carea.height > top.y + top.height)
+        {
+            carea.height = top.y + top.height - carea.y;
+            
+            if (carea.height < 0)
+            {
+                carea.height = 0;
+            }
+        }
+        
+        bool result = carea.isIntersecting(top);
+        
+        mClipStack.push(carea);
+        
+        return result;
+    }
+
+    void Graphics::popClipArea()
+    {
+
+        if (mClipStack.empty())
+        {
+            throw GCN_EXCEPTION("Tried to pop clip area from empty stack.");
+        }
+
+        mClipStack.pop();
+    }
+
+    const ClipRectangle& Graphics::getCurrentClipArea()
+    {
+        if (mClipStack.empty())
+        {
+            throw GCN_EXCEPTION("The clip area stack is empty.");
+        }
+
+        return mClipStack.top();
+    }
+
+    void Graphics::drawImage(const Image* image, int dstX, int dstY)
+    {
+        drawImage(image, 0, 0, dstX, dstY, image->getWidth(), image->getHeight());
+    }
+
+    void Graphics::setFont(Font* font)
+    {
+        mFont = font;
+    }
+
+    void Graphics::drawText(const std::string& text, int x, int y,
+                            Alignment alignment)
+    {
+        if (mFont == NULL)
+        {
+            throw GCN_EXCEPTION("No font set.");
+        }
+
+        switch (alignment)
+        {
+          case LEFT:
+              mFont->drawString(this, text, x, y);
+              break;
+          case CENTER:
+              mFont->drawString(this, text, x - mFont->getWidth(text) / 2, y);
+              break;
+          case RIGHT:
+              mFont->drawString(this, text, x - mFont->getWidth(text), y);
+              break;
+          default:
+              throw GCN_EXCEPTION("Unknown alignment.");
+        }
+    }
+}