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'c' source billinear interpolation
Feb 27, 2009 at 5:56am
i m now corrently working on image enlargement,if anybody having the 'c' or 'c++' source for billinear image enlargement pls post.thank u
Feb 27, 2009 at 12:29pm
http://onslaught-vn.svn.sourceforge.net/viewvc/onslaught-vn/trunk/src/IO_System/Graphics/VirtualScreen.cpp?revision=42&view=markup
Lines 514-632: Bilinear interpolation function. Uses fixed point arithmetic on integers for efficiency. The algorithm works well for scales [.5;inf.), but has VERY slight precision problems at scales <1.
Lines 634-801: Same as above plus multithreading.
Lines 801-923: Same as 514, except this one works well for scales [0;1], but produces nearest neighbor for scales (1;inf.). It's also ~50% more expensive.
Lines 925-1086: Same as above plus multithreading.
None of the functions can change the width-height ratio of a surface.
Lines 514-632: Bilinear interpolation function. Uses fixed point arithmetic on integers for efficiency. The algorithm works well for scales [.5;inf.), but has VERY slight precision problems at scales <1.
Lines 634-801: Same as above plus multithreading.
Lines 801-923: Same as 514, except this one works well for scales [0;1], but produces nearest neighbor for scales (1;inf.). It's also ~50% more expensive.
Lines 925-1086: Same as above plus multithreading.
None of the functions can change the width-height ratio of a surface.
Last edited on Feb 27, 2009 at 12:31pm
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