2D Graphics with Crystal Programming language.
require "chitra"
size 600, 200
rect_s = 10
gap = 0
x = gap
y = gap
loop do
if x > width
x = gap
y += rect_s + gap
end
break if y > height
fill 0, 0, Random.new.rand(0.0...1.0)
rect x, y, rect_s, rect_s
x += rect_s + gap
end
save "blue_rects.png"require "chitra"
background 1
gap = 100
x = y = gap
loop do
break if y > height
if x > width
x = gap
y += gap
end
no_stroke
oval x, y
x += gap
end
save "./docs/content/images/dots.png"require "chitra"
size 600, 600
background 255/256, 88/256, 0
def pattern
no_stroke
x = 0
y = 50
(1..20).each do
fill 255/256, 132/256, 0
rect x, y, 150, 100
rect x+50, y+100, 100, 150
fill 255/256, 48/256, 0
rect x, y+50, 150, 50
rect x+100, y+100, 50, 150
x += 150
y += 150
end
end
ty = -600.0
(0..4).each do
translate 0, ty
pattern
translate 0, -ty
ty += 300
end
save "./output/pattern.png"require "chitra"
size 600
# Square
# x y w h
rect 10, 10, 100, 100
# Rectangle
# x y w h
rect 10, 120, 100, 50
# Circle
# x y w h
oval 10, 180, 100, 100
# Oval
# x y w h
oval 10, 290, 100, 50
# Polygon
# x1 y1 x2 y2 x3 y3 close
polygon 10, 400, 50, 500, 10, 600, close: true
save "shapes.png"require "chitra"
# Set Fill color Red
fill 1, 0, 0
saved_state do
# Change the fill color to Blue
fill 0, 0, 1
rect 100, 100, 200, 200
end
# Draw rect with the fill color set previously
rect 200, 200, 200, 200
save "saved_state.png"size 200, 200
background 1
no_stroke
font "Quicksand", 160
# Text and Circle in Red
fill 1, 0, 0
text "8", 40, 20
oval 80, 40, 200, 200
# Create intersecting area of the
# text and Circle in White color.
fill 1
grouped do
text "8", 40, 20
composite "in"
oval 80, 40, 200, 200
end
save "composite.png"
