X-Git-Url: https://hackdaworld.org/gitweb/?p=physik%2Fnlsop.git;a=blobdiff_plain;f=nlsop.c;h=2222fca666f3d1ae19afbf3fb9affdbce61335b2;hp=88818e8ea36bf0ebc53f44b7bfbb60c4fd0ba358;hb=21bb2d2c6e2d1de0e1c4a75d114a87a94b39ba8c;hpb=746ec2616b99b7462bd4c7835bea2998213415fd

diff --git a/nlsop.c b/nlsop.c
index 88818e8..2222fca 100644
--- a/nlsop.c
+++ b/nlsop.c
@@ -612,9 +612,15 @@ int write_bmp(d3_lattice *d3_l,int window,u32 x,u32 y,u32 z,int max)
    for(i=0;i<d3_l->max_x;i++)
    {
     sum=*(d3_l->extra+i+y*d3_l->max_x+(d3_l->max_z-j-1)*d3_l->max_x*d3_l->max_y);
-    sum=sum*255/max;
-    memset(buf+1,(unsigned char)sum,2);
-    buf[0]=0xff;
+    sum=sum*500/max;
+    buf[2]=0;
+    if(sum<=255) {
+      buf[1]=0;
+      buf[0]=sum;
+    } else {
+      buf[1]=(sum-255);
+      buf[0]=0xff;
+    }
     if(write(fd,buf,3)<3)
     {
      puts("failed writing rgb values to bmp file");
@@ -639,9 +645,15 @@ int write_bmp(d3_lattice *d3_l,int window,u32 x,u32 y,u32 z,int max)
    for(i=0;i<d3_l->max_x;i++)
    {
     sum=*(d3_l->extra+x+i*d3_l->max_x+(d3_l->max_z-j-1)*d3_l->max_x*d3_l->max_y);
-    sum=sum*255/max;
-    memset(buf+1,(unsigned char)sum,2);
-    buf[0]=0xff;
+    sum=sum*500/max;
+    buf[2]=0;
+    if(sum<=255) {
+      buf[1]=0;
+      buf[0]=sum;
+    } else {
+      buf[1]=(sum-255);
+      buf[0]=0xff;
+    }
     if(write(fd,buf,3)<3)
     {
      puts("failed writing rgb values to bmp file");
@@ -666,9 +678,15 @@ int write_bmp(d3_lattice *d3_l,int window,u32 x,u32 y,u32 z,int max)
    for(i=0;i<d3_l->max_x;i++)
    { 
     sum=*(d3_l->extra+i+(d3_l->max_y-j-1)*d3_l->max_x+z*d3_l->max_x*d3_l->max_y);
-    sum=sum*255/max;
-    memset(buf+1,(unsigned char)sum,2);
-    buf[0]=0xff;
+    sum=sum*500/max;
+    buf[2]=0;
+    if(sum<=255) {
+      buf[1]=0;
+      buf[0]=sum;
+    } else {
+      buf[1]=(sum-255);
+      buf[0]=0xff;
+    }
     if(write(fd,buf,3)<3)
     {
      puts("failed writing rgb values to bmp file");