merge

1 files changed, 166 insertions, 0 deletions

diff --git a/ue2/imgsynth2/cpixmap.h b/ue2/imgsynth2/cpixmap.h
new file mode 100644
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+++ b/ue2/imgsynth2/cpixmap.h
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+/**
+ * @module CPixmap
+ * @author Guenther Neuwirth (0626638), Manuel Mausz (0728348)
+ * @brief  Implementation of CFile CBitmap handling XPM.
+ * @date   27.04.2009
+ */
+
+#ifndef CPixmap_H
+#define CPixmap_H
+
+#include <stdint.h>
+#include "cbitmap.h"
+
+/**
+ * @class CPixmap
+ * @brief Implementation of CFile handling Pixmap file format.
+ *
+ * In order to support operations on pixmaps in color mode an 
+ * implementations of CPixelFormat is used. These classe are
+ * allowed to modify the pixmap header, pixelbuffer and color table directly.
+ *
+ * On error CFile::FileError is thrown.
+ */
+class CPixmap : public CBitmap
+{
+  public:
+    /**
+     * @method CPixmap
+     * @brief  Default ctor
+     * @param  -
+     * @return -
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    CPixmap();
+
+    /**
+     * @method ~CPixmap
+     * @brief  Default dtor
+     * @param  -
+     * @return -
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    ~CPixmap()
+      {}
+
+    /**
+     * @method read
+     * @brief  Reads Pixmap from filestream.
+     *         On error an exception is thrown.
+     * @param  in filestream to read data from
+     * @return -
+     * @globalvars none
+     * @exception CFile::FileError
+     * @exception bad_alloc
+     * @conditions none
+     */
+    void read(std::ifstream& in);
+
+    /**
+     * @method write
+     * @brief  Writes Pixmap to filestream.
+     * @param  out filestream to read data from
+     * @return -
+     * @globalvars none
+     * @exception  FileError
+     * @exception  bad_alloc
+     * @conditions none
+     */
+    void write(std::ofstream& out, std::string& filename);
+
+#ifdef DEBUG
+    /**
+     * @method dump
+     * @brief  Dumps the Pixmap file header and pixel data to ostream
+     * @param  out output stream
+     * @return -
+     * @globalvars
+     * @exception
+     * @conditions
+     */
+    void dump(std::ostream& out);
+#endif
+
+    /**
+     * @brief Pixmap Header structure
+     */
+#pragma pack(push,1)
+    typedef struct
+    {
+     /** the xpm width in pixels (signed integer) */
+      uint32_t  xpmWidth;
+      /** the xpm height in pixels (signed integer) */
+      uint32_t  xpmHeight;
+      /** the number of colors (signed integer) */
+      uint32_t  nColor;
+      /** the number of characters per pixel (signed integer) */
+      uint32_t  nChar;
+      /** X-Position Hotspots */
+      uint32_t xHotspot;
+      /** Y-Position Hotspots */
+      uint32_t yHotspot;
+      /* is hotspot set */
+      bool _HOTSPOT;
+      /* XPMEXT extension tag found*/
+      bool _XPMEXT;
+      /* unchanged extension */
+      std::string extension;
+   } PIXMAP_FILEHEADER;
+#pragma pack(pop)
+
+    /* TODO */
+    const uint32_t getPixelDataSize()
+    {
+      return m_fileheader.xpmWidth * m_fileheader.xpmHeight * m_fileheader.nChar;
+    }
+
+    /* TODO */
+    const uint32_t getHeight()
+    {
+      /* width and height can be negativ */
+      return m_fileheader.xpmHeight;
+    }
+
+    /* TODO */
+    const uint32_t getWidth()
+    {
+      /* width and height can be negativ */
+      return m_fileheader.xpmWidth;
+    }
+
+    /**
+     * @method hasColorTable
+     * @brief  Check if bitmap has a colortable
+     *         (we don't support this yet for windows bitmaps)
+     * @param  -
+     * @return true if bitmap has a colortable. false otherwise
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    const bool hasColorTable()
+    {
+      return true;
+    }
+
+    /* TODO */
+    const bool isMirrored()
+    {
+      /* pixmap is never mirrored */
+      return false;
+    }
+
+  protected:
+    /* members */
+    /** fileheader */
+    PIXMAP_FILEHEADER m_fileheader;
+    /** infoheader */
+};
+
+#endif
+
+/* vim: set et sw=2 ts=2: */