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September 2017 Update

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Ingy döt Net 2017-09-23 10:01:46 +02:00
parent bba7bfd280
commit ba8067c3b7
14570 changed files with 153136 additions and 63871 deletions
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30
Task/Bitmap-Write-a-PPM-file/Sidef/bitmap-write-a-ppm-file.sidef
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@ -1,24 +1,24 @@
subset Int < Number {|n| n.is_int }
subset Uint < Int {|n| n >= 0 }
subset Uint8 < Int {|n| n ~~ ^256 }
subset UInt < Int {|n| n >= 0 }
subset UInt8 < Int {|n| n ~~ ^256 }
struct Pixel {
R < Uint8,
G < Uint8,
B < Uint8
R < UInt8,
G < UInt8,
B < UInt8
}
class Bitmap(width < Uint, height < Uint) {
class Bitmap(width < UInt, height < UInt) {
has data = []
method fill(Pixel p) {
data = (width*height -> of { Pixel(p.R, p.G, p.B) })
}
method setpixel(i < Uint, j < Uint, Pixel p) {
method setpixel(i < UInt, j < UInt, Pixel p) {
subset WidthLimit < Uint { |n| n ~~ ^width }
subset HeightLimit < Uint { |n| n ~~ ^height }
subset WidthLimit < UInt { |n| n ~~ ^width }
subset HeightLimit < UInt { |n| n ~~ ^height }
func (w < WidthLimit, h < HeightLimit) {
data[w*height + h] = p
@ -26,8 +26,11 @@ class Bitmap(width < Uint, height < Uint) {
}
method p6 {
"P6\n#{width} #{height}\n255\n" +
data.map {|p| [p.R, p.G, p.B].pack('C3') }.join
<<-EOT + data.map {|p| [p.R, p.G, p.B].pack('C3') }.join
P6
#{width} #{height}
255
EOT
}
}
@ -37,7 +40,4 @@ for i,j in (^b.height ~X ^b.width) {
b.setpixel(i, j, Pixel(2*i, 2*j, 255 - 2*i))
}
var file = File("palette.ppm")
var fh = file.open('>:raw')
fh.print(b.p6)
fh.close
%f"palette.ppm".write(b.p6, :raw)