move examples to examples directory

1 files changed, 0 insertions, 142 deletions

diff --git a/example_sdl.c b/example_sdl.c
deleted file mode 100644
index e4ae3de..0000000
--- a/example_sdl.c
+++ /dev/null
@@ -1,142 +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.
-*/
-
-/*
-Compile command for Linux:
-gcc lodepng.c example_sdl.c -ansi -pedantic -Wall -Wextra -lSDL -O3 -o showpng
-
-*/
-
-/*
-LodePNG SDL example
-This example displays a PNG with a checkerboard pattern to show tranparency.
-It requires the SDL library to compile and run.
-If multiple filenames are given to the command line, it shows all of them.
-Press any key to see next image, or esc to quit.
-*/
-
-#include "lodepng.h"
-
-#include <SDL/SDL.h>
-
-/*shows image with SDL. Returns 1 if user wants to fully quit, 0 if user wants to see next image.*/
-int show(const char* filename)
-{
-  unsigned error;
-  unsigned char* image;
-  unsigned w, h, x, y;
-  SDL_Surface* scr;
-  SDL_Event event;
-  int done;
-  size_t jump = 1;
-
-  printf("showing %s\n", filename);
-
-  /*load the PNG in one function call*/
-  error = lodepng_decode32_file(&image, &w, &h, filename);
-
-  /*stop if there is an error*/
-  if(error)
-  {
-    printf("decoder error %u: %s\n", error, lodepng_error_text(error));
-    return 0;
-  }
-
-  /*avoid too large window size by downscaling large image*/
-
-  if(w / 1024 >= jump) jump = w / 1024 + 1;
-  if(h / 1024 >= jump) jump = h / 1024 + 1;
-
-  /*init SDL*/
-  if(SDL_Init(SDL_INIT_VIDEO) < 0)
-  {
-    printf("Error, SDL video init failed\n");
-    return 0;
-  }
-  scr = SDL_SetVideoMode(w / jump, h / jump, 32, SDL_HWSURFACE);
-  if(!scr)
-  {
-    printf("Error, no SDL screen\n");
-    return 0;
-  }
-  SDL_WM_SetCaption(filename, NULL); /*set window caption*/
-
-  /*plot the pixels of the PNG file*/
-  for(y = 0; y + jump - 1 < h; y += jump)
-  for(x = 0; x + jump - 1 < w; x += jump)
-  {
-    int checkerColor;
-    Uint32* bufp;
-    Uint32 r, g, b, a;
-
-    /*get RGBA components*/
-    r = image[4 * y * w + 4 * x + 0]; /*red*/
-    g = image[4 * y * w + 4 * x + 1]; /*green*/
-    b = image[4 * y * w + 4 * x + 2]; /*blue*/
-    a = image[4 * y * w + 4 * x + 3]; /*alpha*/
-
-    /*make translucency visible by placing checkerboard pattern behind image*/
-    checkerColor = 191 + 64 * (((x / 16) % 2) == ((y / 16) % 2));
-    r = (a * r + (255 - a) * checkerColor) / 255;
-    g = (a * g + (255 - a) * checkerColor) / 255;
-    b = (a * b + (255 - a) * checkerColor) / 255;
-
-    /*give the color value to the pixel of the screenbuffer*/
-    bufp = (Uint32 *)scr->pixels + (y * scr->pitch / 4) / jump + (x / jump);
-    *bufp = 65536 * r + 256 * g + b;
-  }
-
-  /*pause until you press escape and meanwhile redraw screen*/
-  done = 0;
-  while(done == 0)
-  {
-    while(SDL_PollEvent(&event))
-    {
-      if(event.type == SDL_QUIT) done = 2;
-      else if(SDL_GetKeyState(NULL)[SDLK_ESCAPE]) done = 2;
-      else if(event.type == SDL_KEYDOWN) done = 1; /*press any other key for next image*/
-    }
-    SDL_UpdateRect(scr, 0, 0, 0, 0); /*redraw screen*/
-    SDL_Delay(5); /*pause 5 ms so it consumes less processing power*/
-  }
-
-  /*cleanup*/
-  free(image);
-  SDL_Quit();
-  return done == 2 ? 1 : 0;
-}
-
-int main(int argc, char* argv[])
-{
-  int i;
-
-  if(argc <= 1) printf("Please enter PNG file name(s) to display\n");;
-
-  for(i = 1; i < argc; i++)
-  {
-    if(show(argv[i])) return 0;
-  }
-  return 0;
-}