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diff --git a/example_4bit_palette.cpp b/example_4bit_palette.cpp
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--- a/example_4bit_palette.cpp
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@@ -1,106 +0,0 @@
-/*
-LodePNG Examples
-
-Copyright (c) 2005-2012 Lode Vandevenne
-
-This software is provided 'as-is', without any express or implied
-warranty. In no event will the authors be held liable for any damages
-arising from the use of this software.
-
-Permission is granted to anyone to use this software for any purpose,
-including commercial applications, and to alter it and redistribute it
-freely, subject to the following restrictions:
-
-    1. The origin of this software must not be misrepresented; you must not
-    claim that you wrote the original software. If you use this software
-    in a product, an acknowledgment in the product documentation would be
-    appreciated but is not required.
-
-    2. Altered source versions must be plainly marked as such, and must not be
-    misrepresented as being the original software.
-
-    3. This notice may not be removed or altered from any source
-    distribution.
-*/
-
-//g++ lodepng.cpp example_4bit_palette.cpp -ansi -pedantic -Wall -Wextra -O3
-
-
-
-/*
-LodePNG 4-bit palette example.
-This example encodes a 511x511 PNG with a 4-bit palette.
-Both image and palette contain sine waves, resulting in a sort of plasma.
-The 511 (rather than power of two 512) size is of course chosen on purpose to
-confirm that scanlines not filling up an entire byte size are working.
-
-NOTE: a PNG image with a translucent palette is perfectly valid. However there
-exist some programs that cannot correctly read those, including, surprisingly,
-Gimp 2.8 image editor (until you set mode to RGB).
-*/
-
-#include <cmath>
-#include <iostream>
-
-#include "lodepng.h"
-
-int main(int argc, char *argv[])
-{
-  //check if user gave a filename
-  if(argc < 2)
-  {
-    std::cout << "please provide a filename to save to" << std::endl;
-    return 0;
-  }
-
-  //create encoder and set settings and info (optional)
-  lodepng::State state;
-  
-  //generate palette
-  for(int i = 0; i < 16; i++)
-  {
-    unsigned char r = 127 * (1 + std::sin(5 * i * 6.28318531 / 16));
-    unsigned char g = 127 * (1 + std::sin(2 * i * 6.28318531 / 16));
-    unsigned char b = 127 * (1 + std::sin(3 * i * 6.28318531 / 16));
-    unsigned char a = 63 * (1 + std::sin(8 * i * 6.28318531 / 16)) + 128; /*alpha channel of the palette (tRNS chunk)*/
-    
-    //palette must be added both to input and output color mode, because in this
-    //sample both the raw image and the expected PNG image use that palette.
-    lodepng_palette_add(&state.info_png.color, r, g, b, a);
-    lodepng_palette_add(&state.info_raw, r, g, b, a);
-  }
-  
-  //both the raw image and the encoded image must get colorType 3 (palette)
-  state.info_png.color.colortype = LCT_PALETTE; //if you comment this line, and create the above palette in info_raw instead, then you get the same image in a RGBA PNG.
-  state.info_png.color.bitdepth = 4;
-  state.info_raw.colortype = LCT_PALETTE;
-  state.info_raw.bitdepth = 4;
-  state.encoder.auto_convert = 0; //we specify ourselves exactly what output PNG color mode we want
-  
-  //generate some image
-  const unsigned w = 511;
-  const unsigned h = 511;
-  std::vector<unsigned char> image;
-  image.resize((w * h * 4 + 7) / 8, 0);
-  for(unsigned y = 0; y < h; y++)
-  for(unsigned x = 0; x < w; x++)
-  {
-    size_t byte_index = (y * w + x) / 2;
-    bool byte_half = (y * w + x) % 2 == 1;
-    
-    int color = (int)(4 * ((1 + std::sin(2.0 * 6.28318531 * x / (double)w))
-                         + (1 + std::sin(2.0 * 6.28318531 * y / (double)h))) );
-
-    image[byte_index] |= (unsigned char)(color << (byte_half ? 0 : 4));
-  }
-  
-  //encode and save
-  std::vector<unsigned char> buffer;
-  unsigned error = lodepng::encode(buffer, image.empty() ? 0 : &image[0], w, h, state);
-  if(error)
-  {
-    std::cout << "encoder error " << error << ": "<< lodepng_error_text(error) << std::endl;
-    return 0;
-  }
-  lodepng::save_file(buffer, argv[1]);
-}