aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

September 2017 Update

Browse source
This commit is contained in:
Ingy döt Net 2017-09-23 10:01:46 +02:00
parent bba7bfd280
commit ba8067c3b7
14570 changed files with 153136 additions and 63871 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Task/Bitmap-Read-a-PPM-file/Seed7/bitmap-read-a-ppm-file.seed7
View file

@ -25,9 +25,9 @@ const func PRIMITIVE_WINDOW: getPPM (in string: fileName) is func
aWindow := newPixmap(width, height);
for y range 0 to pred(height) do
for x range 0 to pred(width) do
pixColor.red_part := ord(getc(ppmFile));
pixColor.green_part := ord(getc(ppmFile));
pixColor.blue_part := ord(getc(ppmFile));
pixColor.redLight := ord(getc(ppmFile));
pixColor.greenLight := ord(getc(ppmFile));
pixColor.blueLight := ord(getc(ppmFile));
end for;
end for;
end if;

11
Task/Bitmap-Read-a-PPM-file/Zkl/bitmap-read-a-ppm-file.zkl Normal file
View file

@ -0,0 +1,11 @@
//24-bpp P6 PPM solution:
image:=File("lena.ppm","rb").read();
start:=image.find("\n255\n")+5; // Get sizeof PPM header
foreach n in ([start..image.len()-1,3]){ // Transform color triplets
r,g,b:=image[n,3]; // Read colors stored in RGB order
l:=(0.2126*r + 0.7152*g + 0.0722*b).toInt(); // Derive luminance
image[n,3]=T(l,l,l);
}
File("lenaGrey.ppm","wb").write(image);