[Phission-cvs] phission/base/include ImageConversions.h,1.25,1.26

[Philip T. <pt...@us...>]

Update of /cvsroot/phission/phission/base/include
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv13259/base/include

Modified Files:
	ImageConversions.h 
Log Message:

Working on the fixed point stuff, not working quite yet though, the colors are washed out.




Index: ImageConversions.h
===================================================================
RCS file: /cvsroot/phission/phission/base/include/ImageConversions.h,v
retrieving revision 1.25
retrieving revision 1.26
diff -C2 -d -r1.25 -r1.26
*** ImageConversions.h	17 Jul 2007 22:17:42 -0000	1.25
--- ImageConversions.h	17 Jul 2007 23:39:56 -0000	1.26
***************
*** 149,152 ****
--- 149,164 ----
   */
  #define phImageCONVERT_FAIL    phFAIL
+ 
+ /**
+  * This function checks to see if there is a conversion function available to
+  * convert from \a in_format to \a out_format. 
+  *
+  * \param[in] in_format The input format.
+  * \param[in] out_format The output format.
+  * \retval 0 The conversion is unavailable.
+  * \retval 1 The conversion is available.
+  */
+ PHAPI(int) ph_convert_supported( uint32_t in_format, uint32_t out_format );
+ 
  /**
   * The following functions are used to encapsulate conversions from one
***************
*** 505,508 ****
--- 517,536 ----
  #define phYUV_CalcU_CCIR601(r,g,b)  (((-0.169) * r) - (0.332 * g) + (0.500 * b) + 128)
  #define phYUV_CalcV_CCIR601(r,g,b)  ((0.500 * r)    - (0.419 * g) - (0.0813* b) + 128)
+ 
+ /* -------------------------------------------------------------------------- */
+ #define phYUV_CalcR_CCIR601_fixed(y,v)  \
+     (y + ((                    (23060 * (v-128)))>>14))
+ #define phYUV_CalcG_CCIR601_fixed(y,u,v)\
+     (y - (( ( 5660 *(u-128)) - (11745 * (v-128)))>>14))
+ #define phYUV_CalcB_CCIR601_fixed(y,u)  \
+     (y + (( (29147 *(u-128))                    )>>14))
+ 
+ #define phYUV_CalcY_CCIR601_fixed(r,g,b)\
+     (((4898 * r)    + (9617 * g) + (1867 * b) )>>14)
+ #define phYUV_CalcU_CCIR601_fixed(r,g,b)\
+     ((((-2768) * r) - (5439 * g) + (8192 * b) + 2097152)>>14)
+ #define phYUV_CalcV_CCIR601_fixed(r,g,b)\
+     (((8192 * r)    - (6864 * g) - (1332 * b) + 2097152)>>14)
+ 
  /* -------------------------------------------------------------------------- */
  /**