diff ext/guichan-0.8.1/src/openlayer/openlayerimage.cpp @ 0:4a0efb7baf70

* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ext/guichan-0.8.1/src/openlayer/openlayerimage.cpp	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,176 @@
+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * 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/openlayer/openlayerimage.hpp"
+
+#include "guichan/exception.hpp"
+
+namespace gcn
+{
+    OpenLayerImage::OpenLayerImage(BITMAP* allegroBitmap, bool autoFree)
+            : mOpenLayerBitmap(NULL),
+              mAllegroBitmap(allegroBitmap),
+              mAutoFree(autoFree)
+        
+    {
+        if (mAllegroBitmap == NULL)
+        {
+            throw GCN_EXCEPTION(std::string("Unable to load bitmap."));
+        }
+    }
+
+    OpenLayerImage::~OpenLayerImage()
+    {
+        if (mAutoFree)
+        {
+            free();
+        }
+    }
+
+    ol::Bitmap* OpenLayerImage::getBitmap() const
+    {
+        return mOpenLayerBitmap;
+    }
+
+    void OpenLayerImage::free()
+    {
+        if (mOpenLayerBitmap != NULL)
+        {
+            delete mOpenLayerBitmap;
+            mOpenLayerBitmap = NULL;
+        }
+        
+        if (mAllegroBitmap != NULL)
+        {
+            destroy_bitmap(mAllegroBitmap);
+            mAllegroBitmap = NULL;
+        }
+    }
+
+    int OpenLayerImage::getWidth() const
+    {
+        if (mAllegroBitmap == NULL && mOpenLayerBitmap == NULL)
+        {
+            throw GCN_EXCEPTION("Trying to get the width of a non loaded image.");
+        }
+
+        if (mOpenLayerBitmap == NULL)
+        {
+            return mAllegroBitmap->w;
+        }
+
+        return mOpenLayerBitmap->Width();
+    }
+
+    int OpenLayerImage::getHeight() const
+    {
+        if (mAllegroBitmap == NULL && mOpenLayerBitmap == NULL)
+        {
+            throw GCN_EXCEPTION("Trying to get the height of a non loaded image.");
+        }
+        
+        if (mOpenLayerBitmap == NULL)
+        {
+            return mAllegroBitmap->h;
+        }
+
+        return mOpenLayerBitmap->Height();
+    }
+
+    Color OpenLayerImage::getPixel(int x, int y)
+    {
+        if (mAllegroBitmap == NULL && mOpenLayerBitmap == NULL)
+        {
+            throw GCN_EXCEPTION("Trying to get a pixel from a non loaded image.");
+        }
+
+        if (mOpenLayerBitmap == NULL)
+        {
+            int color = getpixel(mAllegroBitmap, x, y);
+            return Color(getr(color), getg(color), getb(color), 255);
+        }
+        
+        return Color(mOpenLayerBitmap->GetPixelPacked(x, y));
+
+    }
+
+    void OpenLayerImage::putPixel(int x, int y, const Color& color)
+    {
+        if (mAllegroBitmap == NULL && mOpenLayerBitmap == NULL)
+        {
+            throw GCN_EXCEPTION("Trying to put a pixel in a non loaded image.");
+        }
+
+        if (mAllegroBitmap == NULL)
+        {
+            return;
+        }
+
+        int c = makeacol_depth(32, color.r, color.g, color.b, color.a);
+
+        putpixel(mAllegroBitmap, x, y, c);
+    }
+
+    void OpenLayerImage::convertToDisplayFormat()
+    {
+        if (mAllegroBitmap == NULL)
+        {
+            throw GCN_EXCEPTION("Trying to convert a non loaded image to display format.");
+        }
+
+        if (mOpenLayerBitmap != NULL)
+        {
+            throw GCN_EXCEPTION("Trying to convert an image to display format which has already been converted.");
+        }
+
+        mOpenLayerBitmap = new ol::Bitmap(mAllegroBitmap, false, true);
+        mOpenLayerBitmap->SendToGPU();
+        
+        destroy_bitmap(mAllegroBitmap);
+        mAllegroBitmap = NULL;
+    }
+}