1 files changed, 106 insertions, 0 deletions

diff --git a/ue1/imgsynth/cpixelformat.h b/ue1/imgsynth/cpixelformat.h
new file mode 100644
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+++ b/ue1/imgsynth/cpixelformat.h
@@ -0,0 +1,106 @@
+/**
+ * @module cpixelformat
+ * @author Manuel Mausz, 0728348
+ * @brief  Abstract class for handling different color bitcount of Bitmaps.
+ *         Needed for generic use in CBitmap.
+ * @date   18.04.2009
+ */
+
+#ifndef CPIXELFORMAT_H
+#define CPIXELFORMAT_H
+
+#include <fstream>
+#include <stdexcept>
+
+class CBitmap;
+#include "cbitmap.h"
+
+/**
+ * @class CPixelFormat
+ * @brief Abstract class for handling different color bitcount of Bitmaps.
+ *
+ * Needed for generic use in CBitmap.
+ *
+ * On error throw PixelFormatError.
+ */
+class CPixelFormat
+{
+  public:
+    /**
+     * @class PixelFormatError
+     * @brief Exception thrown by implemententations of CPixelFormat
+     */
+    class PixelFormatError : public std::invalid_argument {
+      public:
+        /**
+         * @method PixelFormatError
+         * @brief  Default exception ctor
+         * @param  what message to pass along
+         * @return -
+         * @globalvars none
+         * @exception  none
+         * @conditions none
+         */
+        PixelFormatError(const std::string& what)
+          : std::invalid_argument(what)
+        {}
+    };
+
+    /**
+     * @method CBitmap
+     * @brief  Default ctor
+     * @param  bitmap pointer to CBitmap instance
+     * @return -
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    CPixelFormat(CBitmap *bitmap)
+      : m_bitmap(bitmap)
+    {}
+
+    /**
+     * @method ~CPixelFormat
+     * @brief  Default dtor (virtual)
+     * @param  -
+     * @return -
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    virtual ~CPixelFormat()
+    {};
+
+    /**
+     * @method setPixel
+     * @brief  Modifies pixel at coordinates x, y
+     * @param  pixel pointer to new pixel data
+     * @param  x     x-coordinate
+     * @param  y     y-coordinate
+     * @return -
+     * @globalvars none
+     * @exception  PixelFormatError
+     * @conditions none
+     */
+    virtual void setPixel(const uint32_t *pixel, const uint32_t x, const uint32_t y) = 0;
+
+    /**
+     * @method getBitCount
+     * @brief  returns color bitcount supported by this class
+     * @param  -
+     * @return color bitcount supported by this class
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    virtual uint32_t getBitCount() = 0;
+
+  protected:
+    /* members */
+    /** pointer to CBitmap instance */
+    CBitmap *m_bitmap;
+};
+
+#endif
+
+/* vim: set et sw=2 ts=2: */