From a701f77b525ddaad7cb3897203eba1b72f3fa56a Mon Sep 17 00:00:00 2001
From: mutantturkey <mutantturke@gmail.com>
Date: Tue, 26 Jun 2012 19:36:39 -0400
Subject: initial commit of derive-background

---
 fly-tools/derive-background/pixel.c | 133 ++++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 fly-tools/derive-background/pixel.c

(limited to 'fly-tools')

diff --git a/fly-tools/derive-background/pixel.c b/fly-tools/derive-background/pixel.c
new file mode 100644
index 0000000..b38cd82
--- /dev/null
+++ b/fly-tools/derive-background/pixel.c
@@ -0,0 +1,133 @@
+#include <wand/MagickWand.h>
+#include <stdio.h>
+#include <string.h>
+
+#define round(x) ((x)>=0?(long)((x)+0.5):(long)((x)-0.5))
+#define ThrowWandException(wand)  {  char *description; ExceptionType severity; description=MagickGetException(wand,&severity);  (void) fprintf(stderr,"%s %s %lu %s\n",GetMagickModule(),description);  description=(char *) MagickRelinquishMemory(description);  exit(-1); }
+
+int main(int argc, char **argv) {
+
+  MagickWand *magick_wand;
+  MagickWand *first;
+
+  double green = 0;
+  double red = 0;
+  double blue = 0;
+
+  int nImages = 0;
+  int image = 0;
+
+  int i = 0;
+  int j = 0;
+  int k = 0;
+  int l = 0;
+
+  MagickWandGenesis();
+  first = NewMagickWand();
+  // Check the height and width of the first image
+  MagickReadImage(first, "Background.png");
+
+  const int height =  MagickGetImageHeight(first);
+  const int width =  MagickGetImageWidth(first);
+
+  printf("%d %d \n", height, width);
+
+
+  // Count how many images there are in the input file
+
+  char fname[256];
+  FILE *count = fopen( argv[1], "r");
+  if(count != NULL) {  
+    while((fgets(fname, sizeof(fname), count)) != NULL) {
+      nImages++;
+    }
+    fclose(count);
+  }
+
+  printf("%d \n", nImages);
+  //this will store the number of pixels in each row
+  unsigned long number_wands; 
+
+  char filename[256];
+  char *temp;
+  FILE *file = fopen ( argv[1], "r" );
+
+
+  // initialize this crazy array.
+
+  long int array[nImages][height][width][3];
+  //long int array[nImages][height][width][3];
+
+  printf("%d", nImages);
+  if ( file != NULL ) {
+    while ((fgets(filename, sizeof(filename), file)) != NULL ) {
+      temp = strchr(filename, '\n');
+      if (temp != NULL) *temp = '\0';
+      char *filename_r = malloc(256);
+      strncpy(filename_r, filename, sizeof(filename));
+      magick_wand = NewMagickWand();
+      MagickReadImage(magick_wand, filename);
+
+
+      PixelIterator* iterator = NewPixelIterator(magick_wand);
+
+      PixelWand **pixels = PixelGetNextIteratorRow(iterator,&number_wands);
+
+      for (i=0; pixels != (PixelWand **) NULL; i++) {
+        for (j=0; j<number_wands; j++) {
+          green = PixelGetGreen(*pixels);
+          blue = PixelGetBlue(*pixels);
+          red = PixelGetRed(*pixels);
+
+          printf("r: Image: %d Height: %d Width: %d Red: %ld Green: %ld Blue: %ld \n", image,  i, j, round(red*255), round(green*255), round(blue*255));
+          array[image][i][j][0] = round(red*255);
+          array[image][i][j][1] = round(green*255);
+          array[image][i][j][2] = round(blue*255); 
+        }
+        PixelSyncIterator(iterator);
+        pixels=PixelGetNextIteratorRow(iterator,&number_wands);
+      }
+
+      PixelSyncIterator(iterator);
+      iterator=DestroyPixelIterator(iterator);
+      ClearMagickWand(magick_wand);
+
+      image++;
+    }
+    fclose ( file );
+  }
+  else {
+    exit(0);
+  }
+
+  for (i = 0; i < nImages; i++) {
+    for (j = 0; j < height; j++) {
+      for (k = 0; k < width; k++) {
+        for (l = 0; l < 3; l++) {
+          printf("w: Image: %d Height: %d Width: %d Color: %d Value: %ld \n", i, j, k, l, array[i][j][k][l]);
+        }
+      }
+    }
+  }
+
+
+
+  //write back out to png
+
+  //if (status == MagickFalse) {
+  //   printf("Error writing to png\n");
+  //}
+  //else {
+  //   printf("still w00tness!!\n");
+  // }
+
+  // for (j=0; j<361; j++) {
+  //  printf("%lf \n", imagepixels[j]);
+  //if (j+1 % 19 == 0)
+  //   printf("\n");
+  // }
+
+  MagickWandTerminus();
+
+  return 0;
+}
-- 
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