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  1. /**
  2.  * @module cpixelformat_bgr555
  3.  * @author Guenther Neuwirth (0626638), Manuel Mausz (0728348)
  4.  * @brief  Implementation of CPixelFormat handling BGR555 color (real color)
  5.  *         Windows Bitmaps.
  6.  * @date   26.04.2009
  7.  */
  8.  
  9. #ifndef CPIXELFORMAT_BGR555_H
  10. #define CPIXELFORMAT_BGR555_H
  11.  
  12. #include <fstream>
  13. #include "cpixelformat.h"
  14.  
  15. /* to (un-)pack pixel values */
  16. #define BGR555_RED_SHIFT    10
  17. #define BGR555_GREEN_SHIFT  5
  18. #define BGR555_BLUE_SHIFT   0
  19. #define BGR555_RED_MASK     0x7C00
  20. #define BGR555_GREEN_MASK   0x03E0
  21. #define BGR555_BLUE_MASK    0x001F
  22.  
  23. /**
  24.  * @class CPixelFormat_BGR555
  25.  * @brief Implementation of CPixelFormat handling BGR555 color (real color)
  26.  *        Windows Bitmaps.
  27.  *
  28.  * On error CPixelFormat::PixelFormatError is thrown.
  29.  */
  30. class CPixelFormat_BGR555 : public CPixelFormat
  31. {
  32.   public:
  33.     /**
  34.      * @method CPixelFormat_BGR55
  35.      * @brief  Default ctor
  36.      * @param  bitmap pointer to CBitmap instance
  37.      * @return -
  38.      * @globalvars none
  39.      * @exception  none
  40.      * @conditions none
  41.      */
  42.     CPixelFormat_BGR555(CBitmap *bitmap)
  43.       : CPixelFormat(bitmap)
  44.     {}
  45.  
  46.     /**
  47.      * @method ~CPixelFormat_BGR555
  48.      * @brief  Default dtor
  49.      * @param  -
  50.      * @return -
  51.      * @globalvars none
  52.      * @exception  none
  53.      * @conditions none
  54.      */
  55.     ~CPixelFormat_BGR555()
  56.     {}
  57.  
  58.     /**
  59.      * @method getPixel
  60.      * @brief  Get pixel at coordinates x, y
  61.      * @param  pixel reference to pixel data
  62.      * @param  x     x-coordinate
  63.      * @param  y     y-coordinate
  64.      * @return -
  65.      * @globalvars none
  66.      * @exception  PixelFormatError
  67.      * @conditions none
  68.      */
  69.     void getPixel(RGBPIXEL& pixel, uint32_t x, uint32_t y);
  70.  
  71.     /**
  72.      * @method setPixel
  73.      * @brief  Modifies pixel at coordinates x, y
  74.      * @param  pixel reference to new pixel data
  75.      * @param  x     x-coordinate
  76.      * @param  y     y-coordinate
  77.      * @return -
  78.      * @globalvars none
  79.      * @exception  PixelFormatError
  80.      * @conditions none
  81.      */
  82.     void setPixel(const RGBPIXEL& pixel, uint32_t x, uint32_t y);
  83.  
  84.     /**
  85.      * @method getBitCount
  86.      * @brief  returns color bitcount supported by this class
  87.      * @param  -
  88.      * @return color bitcount supported by this class
  89.      * @globalvars none
  90.      * @exception  none
  91.      * @conditions none
  92.      */
  93.     uint32_t getBitCount()
  94.     {
  95.       return 16;
  96.     }
  97.  
  98.     /**
  99.      * @method getMaxColor
  100.      * @brief  Get maximum values for RGB pixel
  101.      * @param  pixel reference to pixel struct
  102.      * @return -
  103.      * @globalvars none
  104.      * @exception  none
  105.      * @conditions none
  106.      */
  107.     void getMaxColor(RGBPIXEL& pixel)
  108.     {
  109.       /* value = 2^5 - 1 */
  110.       pixel.red = pixel.green = pixel.blue = 31;
  111.     }
  112. };
  113.  
  114. #endif
  115.  
  116. /* vim: set et sw=2 ts=2: */
  117.