X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fsynfig%2Fgamma.cpp;fp=synfig-core%2Ftrunk%2Fsrc%2Fsynfig%2Fgamma.cpp;h=0000000000000000000000000000000000000000;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=f1d1add7959595358bd1f111d3bc5cbfe34ad2c8;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/synfig-core/trunk/src/synfig/gamma.cpp b/synfig-core/trunk/src/synfig/gamma.cpp
deleted file mode 100644
index f1d1add..0000000
--- a/synfig-core/trunk/src/synfig/gamma.cpp
+++ /dev/null
@@ -1,193 +0,0 @@
-/* === S Y N F I G ========================================================= */
-/*!	\file gamma.cpp
-**	\brief Template File
-**
-**	$Id$
-**
-**	\legal
-**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**
-**	This package is free software; you can redistribute it and/or
-**	modify it under the terms of the GNU General Public License as
-**	published by the Free Software Foundation; either version 2 of
-**	the License, or (at your option) any later version.
-**
-**	This package is distributed in the hope that it will be useful,
-**	but WITHOUT ANY WARRANTY; without even the implied warranty of
-**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-**	General Public License for more details.
-**	\endlegal
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-#	include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-#	include <config.h>
-#endif
-
-#include "gamma.h"
-#include <cmath>
-#include <algorithm>
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-//using namespace etl;
-using namespace synfig;
-
-/* === M A C R O S ========================================================= */
-
-/* === G L O B A L S ======================================================= */
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-void
-Gamma::set_gamma(float x)
-{
-	gamma_r=gamma_g=gamma_b=x;
-	int i;
-	red_blue_level=1.0f;
-	for(i=0;i<65536;i++)
-	{
-		float f(float(i)/65536.0f);
-		f=pow(f,gamma_r);
-		table_r_U16_to_U8[i]=table_g_U16_to_U8[i]=table_b_U16_to_U8[i]=(unsigned char)(f*(255.0f-(black_level*255))+0.5f + black_level*255.0f);
-	}
-
-	for(i=0;i<256;i++)
-		table_r_U8_to_F32[i]=table_g_U8_to_F32[i]=table_b_U8_to_F32[i]=pow((float(i)/255.0f)*(1.0f-black_level)+black_level,gamma_r);
-}
-
-
-void
-Gamma::refresh_gamma_r()
-{
-	int i;
-//	const float scalar(min(red_blue_level,1.0f));
-	const float scalar(1.0f);
-	for(i=0;i<65536;i++)
-	{
-		float f(float(i)/65536.0f);
-		f=pow(f,gamma_r)*scalar;
-		table_r_U16_to_U8[i]=(unsigned char)(f*(255.0f-(black_level*255))+0.5f + black_level*255.0f);
-	}
-
-	for(i=0;i<256;i++)
-		table_r_U8_to_F32[i]=pow((float(i)/255.0f)*(1.0f-black_level)+black_level,gamma_r)*scalar;
-}
-
-void
-Gamma::refresh_gamma_g()
-{
-	int i;
-//	const float scalar(sqrt(min(red_blue_level,2.0f-red_blue_level)));
-	const float scalar(1.0f);
-	for(i=0;i<65536;i++)
-	{
-		float f(float(i)/65536.0f);
-		f=pow(f,gamma_g)*scalar;
-		table_g_U16_to_U8[i]=(unsigned char)(f*(255.0f-(black_level*255))+0.5f + black_level*255.0f);
-	}
-	for(i=0;i<256;i++)
-		table_g_U8_to_F32[i]=pow((float(i)/255.0f)*(1.0f-black_level)+black_level,gamma_g)*scalar;
-}
-
-void
-Gamma::refresh_gamma_b()
-{
-	int i;
-//	const float scalar(min(2.0f-red_blue_level,1.0f));
-	const float scalar(1.0f);
-	for(i=0;i<65536;i++)
-	{
-		float f(float(i)/65536.0f);
-		f=pow(f,gamma_b)*scalar;
-		table_b_U16_to_U8[i]=(unsigned char)(f*(255.0f-(black_level*255))+0.5f + black_level*255.0f);
-	}
-	for(i=0;i<256;i++)
-		table_b_U8_to_F32[i]=pow((float(i)/255.0f)*(1.0f-black_level)+black_level,gamma_b)*scalar;
-}
-
-void
-Gamma::set_gamma_r(float x)
-{
-	// If the gamma hasn't changed, then don't recompute the tables
-	if(x==gamma_r) return;
-
-	gamma_r=x;
-	refresh_gamma_r();
-}
-
-void
-Gamma::set_gamma_g(float x)
-{
-	// If the gamma hasn't changed, then don't recompute the tables
-	if(x==gamma_g) return;
-
-	gamma_g=x;
-	refresh_gamma_g();
-}
-
-void
-Gamma::set_gamma_b(float x)
-{
-	// If the gamma hasn't changed, then don't recompute the tables
-	if(x==gamma_b) return;
-
-	gamma_b=x;
-	refresh_gamma_b();
-}
-
-void
-Gamma::set_black_level(float x)
-{
-	// If the black_level hasn't changed, then don't recompute the tables
-	if(x==black_level) return;
-
-	black_level=x;
-
-	// Rebuild tables
-	refresh_gamma_r();
-	refresh_gamma_g();
-	refresh_gamma_b();
-}
-
-void
-Gamma::set_red_blue_level(float x)
-{
-	// If the black_level hasn't changed, then don't recompute the tables
-	if(x==red_blue_level) return;
-
-	red_blue_level=x;
-
-	// Rebuild tables
-	refresh_gamma_r();
-	refresh_gamma_g();
-	refresh_gamma_b();
-}
-
-void
-Gamma::set_all(float r, float g, float b, float black, float red_blue)
-{
-	// If nothing has changed, then don't recompute the tables
-	if(gamma_r==r && gamma_g==g && gamma_b==b && black_level==black && red_blue_level==red_blue)
-		return;
-
-	gamma_r=r;
-	gamma_g=g;
-	gamma_b=b;
-	black_level=black;
-	red_blue_level=red_blue;
-
-	// Rebuild tables
-	refresh_gamma_r();
-	refresh_gamma_g();
-	refresh_gamma_b();
-}