add image test suite
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Emmanuel Schanzer
parent
279ab270df
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7ca1988f98
897
whalesong/tests/test-images.rkt
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897
whalesong/tests/test-images.rkt
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@ -0,0 +1,897 @@
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#lang whalesong
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(require whalesong/world)
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(require whalesong/image)
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;(play-sound "http://www.html5tutorial.info/media/vincent.mp3" true)
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;; "Checking Empty scene"
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;; (empty-scene 40 50 "red")
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"These three circles (red, green, blue) should be left aligned"
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(above/align "left"
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(circle 30 "solid" "red")
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(above/align "left" (circle 50 'solid 'green) (circle 20 'solid 'blue)))
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"These three circles (red, green, blue) should be right aligned"
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(above/align "right"
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(circle 30 "solid" "red")
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(above/align "right" (circle 50 'solid 'green) (circle 20 'solid 'blue)))
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"These three circles (red, green, blue) should be middle aligned, vertically"
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(above/align "middle"
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(circle 30 "solid" "red")
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(above/align "middle" (circle 50 'solid 'green) (circle 20 'solid 'blue)))
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"These three circles (red, green, blue) should be top-aligned"
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(beside/align "top"
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(circle 30 "solid" "red")
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(beside/align "top" (circle 50 'solid 'green) (circle 20 'solid 'blue)))
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"These three circles (red, green, blue) should be bottom-aligned"
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(beside/align "bottom"
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(circle 30 "solid" "red")
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(beside/align "bottom" (circle 50 'solid 'green) (circle 20 'solid 'blue)))
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"These three circles (red, green, blue) should be middle-aligned, horizontally"
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(beside/align "middle"
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(circle 30 "solid" "red")
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(beside/align "middle" (circle 50 'solid 'green) (circle 20 'solid 'blue)))
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"should be a bar graph"
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(define (make-stars number)
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(cond [(eq? number 1) (star 12 "solid" "purple")]
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[true (beside (star 12 "solid" "purple") (make-stars (- number 1)))] ))
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(define (bar-graph l1)
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(cond [(empty? l1) (circle 0 "outline" "blue")]
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[true (above/align "left" (make-stars (car l1)) (bar-graph (cdr l1)))]))
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(bar-graph '(1 3 5 3 9 5 3 4 4 3 5 2))
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(check-expect (image? 'blue) #f)
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(check-expect (image? (circle 20 "solid" "green")) #t)
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"should be a solid green circle: " (circle 20 "solid" "green")
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"should be an outline turquoise rectangle: " (rectangle 20 30 "outline" "turquoise")
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"should be a solid, mostly-translucent red rectangle: " (rectangle 200 300 10 "red")
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"should be an outline red rectangle: " (rectangle 200 300 "outline" "red")
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"should be an *invisible* red rectangle: " (rectangle 200 300 0 "red")
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(define halfred (make-color 255 0 0 128))
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(define quarterred (make-color 255 0 0 64))
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"should be a solid red triangle" (triangle 50 "solid" "red")
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"should be a solid triangle made from a half-transparent red" (triangle 50 "solid" halfred)
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"should be a solid, half-alpha triangle made from a half-transparent red" (triangle 50 128 halfred)
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"should be a solid triangle made from a quater-trasparent red" (triangle 50 "solid" quarterred)
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;(check-expect (color? (make-color 3 4 5)))
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(check-expect (color-red (make-color 3 4 5)) 3)
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(check-expect (color-green (make-color 3 4 5)) 4)
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(check-expect (color-blue (make-color 3 4 5)) 5)
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(check-expect (image? (empty-scene 20 50)) true)
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(check-expect (image? (place-image (circle 50 'solid 'blue)
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50
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50
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(empty-scene 100 100)))
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true)
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"should be a blue circle in a scene with a border: " (place-image (circle 50 'solid 'blue)
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50
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50
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(empty-scene 100 100))
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"should be a blue circle in the UR of a scene with a border: " (put-image (circle 50 'solid 'blue)
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100
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100
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(empty-scene 100 100))
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(check-expect (image?
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(rectangle 20 20 'solid 'green))
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true)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; TEXT & TEXT/FONT
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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"simple text functionality"
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(text "hello world" 20 'black)
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(text (string-copy "hello world") 30 'purple)
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(text "hello world" 40 'red)
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"test font-weight"
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(text/font "Hello" 24 "purple"
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"Gill Sans" 'swiss 'normal 'bold #f)
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(text/font "Hello" 24 "green"
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"Gill Sans" 'swiss 'normal 'light #f)
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"test font-style"
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(text/font "Goodbye" 48 "indigo"
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"Helvetica" 'modern 'italic 'normal #f)
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(text/font "Goodbye" 48 "indigo"
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"Helvetica" 'modern 'normal 'normal #f)
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"test underline-height calculation"
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(text/font "test this!" 80 "purple"
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"Helvetica" 'roman 'normal 'normal #t)
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(text/font "low-hanging glyphs" 36 "blue"
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"Times" 'roman 'normal 'bold #t)
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(text/font "teeny-tiny text" 8 "black"
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"Times" 'roman 'normal 'bold #t)
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(text/font "not really a link" 36 "blue"
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"Courier" 'roman 'italic 'normal #t)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; IMAGE-URL & VIDEO-URL
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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"importing images and video"
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(image-url "http://www.bootstrapworld.org/images/icon.png")
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(open-image-url "http://www.bootstrapworld.org/images/icon.png")
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;(video/url "http://www.quirksmode.org/html5/videos/big_buck_bunny.mp4")
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#;(overlay (circle 20 "solid" "red")
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(video/url "http://www.quirksmode.org/html5/videos/big_buck_bunny.mp4"))
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#;(rotate 45
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(video/url "http://www.quirksmode.org/html5/videos/big_buck_bunny.mp4"))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; OVERLAY
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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"the next two images should be identical"
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(overlay (circle 20 "solid" (make-color 50 50 255))
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(square 40 "solid" (make-color 100 100 255)))
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(overlay (circle 20 "solid" (make-color 50 50 255))
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(regular-polygon 40 4 "solid" (make-color 100 100 255)))
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(overlay (ellipse 10 10 "solid" "red")
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(ellipse 20 20 "solid" "black")
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(ellipse 30 30 "solid" "red")
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(ellipse 40 40 "solid" "black")
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(ellipse 50 50 "solid" "red")
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(ellipse 60 60 "solid" "black"))
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"the next two images should be identical"
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(overlay (square 20 "solid" (make-color 50 50 255))
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(square 26 "solid" (make-color 100 100 255))
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(square 32 "solid" (make-color 150 150 255))
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(square 38 "solid" (make-color 200 200 255))
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(square 44 "solid" (make-color 250 250 255)))
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(overlay (regular-polygon 20 4 "solid" (make-color 50 50 255))
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(regular-polygon 26 4 "solid" (make-color 100 100 255))
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(regular-polygon 32 4 "solid" (make-color 150 150 255))
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(regular-polygon 38 4 "solid" (make-color 200 200 255))
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(regular-polygon 44 4 "solid" (make-color 250 250 255)))
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"overlay with place-image - target should be centered"
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(place-image (overlay (ellipse 10 10 "solid" "white")
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(ellipse 20 20 "solid" "black")
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(ellipse 30 30 "solid" "white")
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(ellipse 40 40 "solid" "black")
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(ellipse 50 50 "solid" "white")
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(ellipse 60 60 "solid" "black"))
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150 100
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(rectangle 300 200 "solid" "black"))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; OVERLAY/XY
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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"should be some overlay/xys"
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(overlay/xy (rectangle 20 20 "outline" "black")
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20 0
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(rectangle 20 20 "outline" "black"))
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(overlay/xy (rectangle 20 20 "solid" "red")
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20 20
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(rectangle 20 20 "solid" "black"))
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(overlay/xy (rectangle 20 20 "solid" "red")
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-20 -20
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(rectangle 20 20 "solid" "black"))
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(overlay/xy
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(overlay/xy (ellipse 40 40 "outline" "black")
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10
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15
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(ellipse 10 10 "solid" "forestgreen"))
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20
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15
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(ellipse 10 10 "solid" "forestgreen"))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; OVERLAY/ALIGN
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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"some examples of overlay/align"
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(overlay/align "middle" "middle"
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(ellipse 60 30 "solid" "purple")
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(rectangle 30 60 "solid" "orange"))
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(overlay/align "right" "top"
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(ellipse 60 30 "solid" "purple")
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(rectangle 30 60 "solid" "orange"))
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(overlay/align "left" "bottom"
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(ellipse 60 30 "solid" "purple")
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(rectangle 30 60 "solid" "orange"))
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(overlay/align "right" "bottom"
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(rectangle 20 20 "solid" "silver")
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(rectangle 30 30 "solid" "seagreen")
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(rectangle 40 40 "solid" "silver")
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(rectangle 50 50 "solid" "seagreen"))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; UNDERLAY
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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"some underlays"
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(underlay (circle 20 'solid 'green)
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(rectangle 10 20 'solid 'blue))
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(underlay (ellipse 10 60 "solid" "red")
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(ellipse 20 50 "solid" "black")
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(ellipse 30 40 "solid" "red")
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(ellipse 40 30 "solid" "black")
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(ellipse 50 20 "solid" "red")
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(ellipse 60 10 "solid" "black"))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; UNDERLAY/XY & UNDERLAY/ALIGN
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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"examples of underlay and underlay/align"
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(underlay/xy (circle 20 'solid 'green)
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30 10
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(rectangle 10 20 'solid 'blue))
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;; color list
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"the following should be a blue circle, but by using color-list->image"
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(let ([circle-color-list (image->color-list (circle 20 'solid 'blue))])
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;; fixme: add tests for number of colors
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(color-list->image circle-color-list 40 40 0 0))
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(underlay/align "middle" "middle"
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(ellipse 60 30 "solid" "purple")
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(rectangle 30 60 "solid" "orange"))
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(underlay/align "right" "top"
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(ellipse 60 30 "solid" "purple")
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(rectangle 30 60 "solid" "orange"))
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(underlay/align "left" "bottom"
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(ellipse 60 30 "solid" "purple")
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(rectangle 30 60 "solid" "orange"))
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(underlay/align "right" "bottom"
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(rectangle 50 50 "solid" "silver")
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(rectangle 40 40 "solid" "seagreen")
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(rectangle 30 30 "solid" "silver")
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(rectangle 20 20 "solid" "seagreen"))
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"This is issue 40 https://github.com/dyoo/WeScheme/issues/40"
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(underlay/align "left" "middle"
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(rectangle 30 60 "solid" "orange")
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(ellipse 60 30 "solid" "purple"))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; BESIDE & BESIDE/ALIGN
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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"examples of beside and beside/align"
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(beside (ellipse 20 70 "solid" "gray")
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(ellipse 20 50 "solid" "darkgray")
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(ellipse 20 30 "solid" "dimgray")
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(ellipse 20 10 "solid" "black"))
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(beside/align "bottom"
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(ellipse 20 70 "solid" "lightsteelblue")
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(ellipse 20 50 "solid" "mediumslateblue")
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(ellipse 20 30 "solid" "slateblue")
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(ellipse 20 10 "solid" "navy"))
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(beside/align "top"
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(ellipse 20 70 "solid" "mediumorchid")
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(ellipse 20 50 "solid" "darkorchid")
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(ellipse 20 30 "solid" "purple")
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(ellipse 20 10 "solid" "indigo"))
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"align these text images on their baselines"
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(beside/align "baseline"
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(text "ijy" 18 "black")
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(text "ijy" 24 "black"))
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"issue 25 https://github.com/dyoo/WeScheme/issues/25"
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(beside/align "top"
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(rectangle 20 100 "solid" "black")
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(rectangle 20 120 "solid" "black")
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(rectangle 20 80 "solid" "black"))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ABOVE & ABOVE/ALIGN
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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"should be some examples of above and above/align"
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(above (ellipse 70 20 "solid" "gray")
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(ellipse 50 20 "solid" "darkgray")
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(ellipse 30 20 "solid" "dimgray")
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(ellipse 10 20 "solid" "black"))
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(above/align "right"
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(ellipse 70 20 "solid" "gold")
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(ellipse 50 20 "solid" "goldenrod")
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(ellipse 30 20 "solid" "darkgoldenrod")
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(ellipse 10 20 "solid" "sienna"))
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(above/align "left"
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(ellipse 70 20 "solid" "yellowgreen")
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(ellipse 50 20 "solid" "olivedrab")
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(ellipse 30 20 "solid" "darkolivegreen")
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(ellipse 10 20 "solid" "darkgreen"))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; PLACE-IMAGE/ALIGN
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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"should be right in the center"
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(place-image/align (circle 16 "solid" "yellow")
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32 32 "center" "center"
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(rectangle 64 64 "solid" "goldenrod"))
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"should be at the bottom-right corner"
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(place-image/align (circle 16 "solid" "yellow")
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32 32 "left" "top"
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(rectangle 64 64 "solid" "goldenrod"))
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"should be at the upper-left corner"
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(place-image/align (circle 16 "solid" "yellow")
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32 32 "right" "bottom"
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(rectangle 64 64 "solid" "goldenrod"))
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"test 'beside' with scenes -- from the DrRacket documentation"
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(beside (place-image/align (circle 8 "solid" "tomato")
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0 0 "center" "center"
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(rectangle 32 32 "outline" "black"))
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(place-image/align (circle 8 "solid" "tomato")
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8 8 "center" "center"
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(rectangle 32 32 "outline" "black"))
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(place-image/align (circle 8 "solid" "tomato")
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16 16 "center" "center"
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(rectangle 32 32 "outline" "black"))
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(place-image/align (circle 8 "solid" "tomato")
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24 24 "center" "center"
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(rectangle 32 32 "outline" "black"))
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(place-image/align (circle 8 "solid" "tomato")
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32 32 "center" "center"
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(rectangle 32 32 "outline" "black")))
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"some overlay and place-image stress tests"
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(define flag2
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(place-image
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(rotate 90
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(underlay/align
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"center" "center"
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(rectangle 50 450 "solid" "white")
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(rotate 90
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(rectangle 50 450 "solid" "white"))
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(rotate 90
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(rectangle 30 450 "solid" "red"))
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(rotate 180
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(rectangle 30 450 "solid" "red"))))
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200 100
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(place-image
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(rotate 65
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(underlay/align
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"center" "center"
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(rectangle 15 450 "solid" "red")
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(rotate 50
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(rectangle 15 450 "solid" "red"))))
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200 100
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(place-image
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(rotate 65
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(underlay/align
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"center" "center"
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(rectangle 40 450 "solid" "white")
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(rotate 50
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(rectangle 40 450 "solid" "white"))))
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200 100
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(rectangle 400 200 "solid" "navy")))))
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(define Australia2
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(place-image
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flag2
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200 100
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(place-image
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(star-polygon 30 7 3 "solid" "white")
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650 60
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(place-image
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(star-polygon 50 7 3 "solid" "white")
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200 300
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(place-image
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(star-polygon 40 7 3 "solid" "white")
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60 20
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(place-image
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(star-polygon 40 7 3 "solid" "white")
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68 124
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(rectangle 900 400 "solid" "navy")))))))
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flag2
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Australia2
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; TRIANGLE, RIGHT TRIANGLE & ISOSCELES-TRIANGLE
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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"Three triangles of various sizes and fills"
|
||||
(triangle 36 "solid" "darkslategray")
|
||||
(triangle 4 "solid" "purple")
|
||||
(triangle 30 "outline" "cornflowerblue")
|
||||
|
||||
"Triangles side by side"
|
||||
(beside (triangle 36 "solid" "darkslategray")
|
||||
(triangle 30 "solid" "cornflowerblue"))
|
||||
|
||||
"Triangles above."
|
||||
(above (triangle 36 "solid" "darkslategray")
|
||||
(triangle 30 "solid" "cornflowerblue"))
|
||||
|
||||
"Three right triangles of various sizes and fills"
|
||||
(right-triangle 36 48 "solid" "darkslategray")
|
||||
(right-triangle 4 60 "solid" "purple")
|
||||
(right-triangle 30 40 "solid" "cornflowerblue")
|
||||
|
||||
"Three isosceles triangles of various sizes and fills"
|
||||
|
||||
(isosceles-triangle 60 30 "solid" "aquamarine")
|
||||
(isosceles-triangle 200 170 "outline" "seagreen")
|
||||
(isosceles-triangle 60 330 "solid" "lightseagreen")
|
||||
|
||||
"Trying ASA triangle (30 40 60)"
|
||||
(triangle/asa 30 40 60 "solid" "blue")
|
||||
|
||||
"Trying AAS triangle (30 60 40)"
|
||||
(triangle/aas 30 60 40 "outline" "green")
|
||||
|
||||
"Trying SAA triangle (100 30 90)"
|
||||
(triangle/saa 100 30 90 "solid" "red")
|
||||
|
||||
"Trying SSA triangle (60 60 40)"
|
||||
(triangle/ass 60 60 40 "outline" "turquoise")
|
||||
|
||||
"Trying ASS triangle (60 80 90)"
|
||||
(triangle/ass 60 80 90 "solid" "maroon")
|
||||
|
||||
"Trying SSS triangle (60 60 60)"
|
||||
(triangle/sss 60 60 60 "outline" "red")
|
||||
|
||||
"Trying SAS triangle (60 30 60)"
|
||||
(triangle/sas 60 30 60 "solid" "brown")
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; STAR, RADIAL-STAR & STAR-POLYGON
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
"old star implementation"
|
||||
|
||||
(star 5 8 4 "solid" "darkslategray")
|
||||
(star 5 30 15 "outline" "black")
|
||||
(star 5 20 10 "solid" "red")
|
||||
|
||||
"new star implementation"
|
||||
(star 8 "solid" "darkslategray")
|
||||
(star 30 "outline" "black")
|
||||
(star 20 "solid" "red")
|
||||
|
||||
"radial star"
|
||||
(radial-star 8 8 64 "solid" "darkslategray")
|
||||
(radial-star 32 30 40 "outline" "black")
|
||||
(radial-star 5 20 40 "solid" "red")
|
||||
|
||||
"star-polygon"
|
||||
(star-polygon 40 5 2 "solid" "seagreen")
|
||||
(star-polygon 40 7 3 "outline" "darkred")
|
||||
(star-polygon 20 10 3 "solid" "cornflowerblue")
|
||||
"should look like a pentagon"
|
||||
(star-polygon 20 5 1 "solid" "darkblue")
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; SQUARE
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
"Three squares of various sizes and fills"
|
||||
(square 60 "outline" "black")
|
||||
(square 200 "solid" "seagreen")
|
||||
(square 100 "outline" "blue")
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; RHOMBUS
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
"Three rhombuses of various sizes and fills"
|
||||
(rhombus 40 45 "solid" "magenta")
|
||||
(rhombus 100 200 "solid" "orange")
|
||||
(rhombus 80 330 "outline" "seagreen")
|
||||
|
||||
"rhombuses beside each other"
|
||||
(beside (rhombus 40 45 "solid" "magenta")
|
||||
(rhombus 100 200 "solid" "orange")
|
||||
(rhombus 80 330 "outline" "seagreen"))
|
||||
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; REGULAR-POLYGON
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
"Some regular polygons..."
|
||||
"A triangle of side-length 20: should be 20x17"
|
||||
(regular-polygon 20 3 "solid" "purple")
|
||||
"A square of side-length 40: should be 40x40"
|
||||
(regular-polygon 40 4 "solid" "aquamarine")
|
||||
"A pentagon of side-length 30: should be 49x46"
|
||||
(regular-polygon 30 5 "solid" "pink")
|
||||
"A hexagon of side-length 20: should be 40x35"
|
||||
(regular-polygon 20 6 "solid" "gold")
|
||||
"A septagon of side-length 40: should be 90x88"
|
||||
(regular-polygon 40 7 "solid" "goldenrod")
|
||||
"An octagon of side-length 30: should be 72x72"
|
||||
(regular-polygon 30 8 "solid" "darkgoldenrod")
|
||||
"A nonagon of side-length 20: should be 58x57"
|
||||
(regular-polygon 20 9 "solid" "sienna")
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; POLYGON
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
"Some polygons defined with posns..."
|
||||
#;(polygon (list (make-posn 0 0)
|
||||
(make-posn -10 20)
|
||||
(make-posn 60 0)
|
||||
(make-posn -10 -20))
|
||||
"solid"
|
||||
"burlywood")
|
||||
|
||||
#;(polygon (list (make-posn 0 0)
|
||||
(make-posn 0 40)
|
||||
(make-posn 20 40)
|
||||
(make-posn 20 60)
|
||||
(make-posn 40 60)
|
||||
(make-posn 40 20)
|
||||
(make-posn 20 20)
|
||||
(make-posn 20 0))
|
||||
"solid"
|
||||
"plum")
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; ROTATE
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
"Three images at 30, 60, 90 degree rotation:"
|
||||
(rotate 30 (image-url "http://www.bootstrapworld.org/images/icon.png"))
|
||||
(rotate 60 (image-url "http://www.bootstrapworld.org/images/icon.png"))
|
||||
(rotate 90 (image-url "http://www.bootstrapworld.org/images/icon.png"))
|
||||
|
||||
"Rotated, huge image"
|
||||
(rotate 30 (scale 3 (image-url "http://www.bootstrapworld.org/images/icon.png")))
|
||||
|
||||
"From the Racket documentation:"
|
||||
(rotate 45 (ellipse 60 20 "solid" "olivedrab"))
|
||||
(rotate 5 (rectangle 50 50 "outline" "black"))
|
||||
"unrotated T"
|
||||
(beside/align
|
||||
"center"
|
||||
(rectangle 40 20 "solid" "darkseagreen")
|
||||
(rectangle 20 100 "solid" "darkseagreen"))
|
||||
"rotate 45 degrees"
|
||||
(rotate 45
|
||||
(beside/align
|
||||
"center"
|
||||
(rectangle 40 20 "solid" "darkseagreen")
|
||||
(rectangle 20 100 "solid" "darkseagreen")))
|
||||
|
||||
(beside
|
||||
(rotate 30 (square 50 "solid" "red"))
|
||||
(flip-horizontal
|
||||
(rotate 30 (square 50 "solid" "blue"))))
|
||||
|
||||
"A solid blue triangle, rotated 30 degrees. Should be flush left"
|
||||
(rotate 30 (triangle 100 "solid" "blue"))
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; SCALE & SCALE/XY
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
"scaling small and large"
|
||||
(scale 1/2 (image-url "http://www.bootstrapworld.org/images/icon.png"))
|
||||
(scale 2 (image-url "http://www.bootstrapworld.org/images/icon.png"))
|
||||
|
||||
(scale/xy 1 2 (image-url "http://www.bootstrapworld.org/images/icon.png"))
|
||||
(scale/xy 2 1 (image-url "http://www.bootstrapworld.org/images/icon.png"))
|
||||
|
||||
"This should be the normal image"
|
||||
(scale/xy 1 1 (image-url "http://www.bootstrapworld.org/images/icon.png"))
|
||||
|
||||
"From the Racket documentation: two identical ellipses, and a circle"
|
||||
(scale 2 (ellipse 20 30 "solid" "blue"))
|
||||
(ellipse 40 60 "solid" "blue")
|
||||
(scale/xy 3
|
||||
2
|
||||
(ellipse 20 30 "solid" "blue"))
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; FRAME AND CROP
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
"frame and crop examples from DrRacket documentation"
|
||||
(frame (ellipse 20 20 "outline" "black"))
|
||||
|
||||
(beside
|
||||
(ellipse 20 70 "solid" "lightsteelblue")
|
||||
(frame (ellipse 20 50 "solid" "mediumslateblue"))
|
||||
(ellipse 20 30 "solid" "slateblue")
|
||||
(ellipse 20 10 "solid" "navy"))
|
||||
|
||||
(crop 0 0 40 40 (circle 40 "solid" "chocolate"))
|
||||
(crop 40 60 40 60 (ellipse 80 120 "solid" "dodgerblue"))
|
||||
(above
|
||||
(beside (crop 40 40 40 40 (circle 40 "solid" "palevioletred"))
|
||||
(crop 0 40 40 40 (circle 40 "solid" "lightcoral")))
|
||||
(beside (crop 40 0 40 40 (circle 40 "solid" "lightcoral"))
|
||||
(crop 0 0 40 40 (circle 40 "solid" "palevioletred"))))
|
||||
|
||||
"should be a quarter of a circle, inscribed in a square"
|
||||
(place-image
|
||||
(crop 0 0 20 20 (circle 20 "solid" "Magenta"))
|
||||
10 10
|
||||
(rectangle 40 40 "solid" "blue"))
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; LINE, ADD-LINE & SCENE+LINE
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
"Three tests for line"
|
||||
(line 30 30 "black")
|
||||
|
||||
(line -30 20 "red")
|
||||
|
||||
(line 30 -20 "red")
|
||||
|
||||
"Three tests for add-line"
|
||||
(add-line (ellipse 40 40 "outline" "maroon")
|
||||
0 40 40 0 "maroon")
|
||||
|
||||
(add-line (rectangle 40 40 "solid" "gray")
|
||||
-10 50 50 -10 "maroon")
|
||||
|
||||
(add-line
|
||||
(rectangle 100 100 "solid" "darkolivegreen")
|
||||
25 25 100 100
|
||||
"goldenrod")
|
||||
|
||||
"Three tests for scene+line: should be identical to above, but cropped around base image"
|
||||
(scene+line (ellipse 40 40 "outline" "maroon")
|
||||
0 40 40 0 "maroon")
|
||||
|
||||
(scene+line (rectangle 40 40 "solid" "gray")
|
||||
-10 50 50 -10 "maroon")
|
||||
|
||||
(scene+line
|
||||
(rectangle 100 100 "solid" "darkolivegreen")
|
||||
25 25 100 100
|
||||
"goldenrod")
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; FLIP-VERTICAL & FLIP-HORIZONTAL
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
"a red triangle, a blue one flippled horizontally and a green one flippled vertically"
|
||||
(right-triangle 30 40 "solid" "red")
|
||||
(flip-horizontal (right-triangle 30 40 "solid" "blue"))
|
||||
(flip-vertical (right-triangle 30 40 "solid" "green"))
|
||||
|
||||
"those three triangles beside each other"
|
||||
(beside (right-triangle 30 40 "solid" "red")
|
||||
(flip-horizontal (right-triangle 30 40 "solid" "blue"))
|
||||
(flip-vertical (right-triangle 30 40 "solid" "green")))
|
||||
|
||||
|
||||
|
||||
"one image flipped vertically, and one flipped horizontally"
|
||||
(flip-vertical (image-url "http://www.bootstrapworld.org/images/icon.png"))
|
||||
(flip-horizontal (image-url "http://www.bootstrapworld.org/images/icon.png"))
|
||||
|
||||
"BESIDE: reference image"
|
||||
(beside (square 20 "solid" (make-color 50 50 255))
|
||||
(square 34 "solid" (make-color 150 150 255)))
|
||||
|
||||
"flip the second one horizontally"
|
||||
(beside (square 20 "solid" (make-color 50 50 255))
|
||||
(flip-horizontal (square 34 "solid" (make-color 150 150 255))))
|
||||
|
||||
"flip the second one vertically"
|
||||
(beside (square 20 "solid" (make-color 50 50 255))
|
||||
(flip-vertical (square 34 "solid" (make-color 150 150 255))))
|
||||
|
||||
"flip the first one horizontally"
|
||||
(beside (flip-horizontal (square 20 "solid" (make-color 50 50 255)))
|
||||
(square 34 "solid" (make-color 150 150 255)))
|
||||
|
||||
"flip the first one vertically"
|
||||
(beside (flip-vertical (square 20 "solid" (make-color 50 50 255)))
|
||||
(square 34 "solid" (make-color 150 150 255)))
|
||||
|
||||
"ABOVE: reference image"
|
||||
(above (square 20 "solid" (make-color 50 50 255))
|
||||
(square 34 "solid" (make-color 150 150 255)))
|
||||
|
||||
"flip the second one horizontally"
|
||||
(above (square 20 "solid" (make-color 50 50 255))
|
||||
(flip-horizontal (square 34 "solid" (make-color 150 150 255))))
|
||||
|
||||
"flip the second one vertically"
|
||||
(above (square 20 "solid" (make-color 50 50 255))
|
||||
(flip-vertical (square 34 "solid" (make-color 150 150 255))))
|
||||
|
||||
"flip the first one horizontally"
|
||||
(above (flip-horizontal (square 20 "solid" (make-color 50 50 255)))
|
||||
(square 34 "solid" (make-color 150 150 255)))
|
||||
|
||||
"flip the first one vertically"
|
||||
(above (flip-vertical (square 20 "solid" (make-color 50 50 255)))
|
||||
(square 34 "solid" (make-color 150 150 255)))
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; IMAGE EQUALITY
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
"checking a circle against a rectangle"
|
||||
(check-expect (image=? (circle 50 "solid" "blue")
|
||||
(rectangle 20 30 "outline" "turquoise"))
|
||||
#f)
|
||||
(check-expect (image=? (empty-scene 20 50) (empty-scene 20 50)) true)
|
||||
|
||||
"checking a circle against a different one"
|
||||
(check-expect (image=? (circle 50 "solid" "blue")
|
||||
(circle 50 "solid" "turquoise"))
|
||||
#f)
|
||||
|
||||
"checking a triangle against a different one"
|
||||
(check-expect (image=? (triangle 50 "solid" "blue")
|
||||
(triangle 50 "outline" "blue"))
|
||||
#f)
|
||||
|
||||
"checking a circle against a different one"
|
||||
(check-expect (image=? (circle 50 "solid" "blue")
|
||||
(circle 50 "solid" "turquoise"))
|
||||
#f)
|
||||
|
||||
"checking a textImage against a different one"
|
||||
(check-expect (image=? (text "purple" 50 "blue")
|
||||
(text "purple" 50 "red"))
|
||||
#f)
|
||||
|
||||
"checking a textImage against itself"
|
||||
(check-expect (image=? (text "purple" 50 "blue")
|
||||
(text "purple" 50 "blue"))
|
||||
#t)
|
||||
|
||||
"checking a bitmap against itself"
|
||||
(check-expect (image=? (bitmap/url "http://www.bootstrapworld.org/images/icon.gif")
|
||||
(bitmap/url "http://www.bootstrapworld.org/images/icon.gif"))
|
||||
#t)
|
||||
|
||||
"checking a bitmap against a shape of the same size"
|
||||
(check-expect (image=? (bitmap/url "http://www.bootstrapworld.org/images/icon.gif")
|
||||
(rectangle 150 150 "solid" "pink"))
|
||||
#f)
|
||||
|
||||
"checking a bitmap against a shape of a different size"
|
||||
(check-expect (image=? (bitmap/url "http://www.bootstrapworld.org/images/icon.gif")
|
||||
(rectangle 100 100 "solid" "pink"))
|
||||
#f)
|
||||
|
||||
"checking a bitmap against a different one"
|
||||
(check-expect (image=? (bitmap/url "http://www.bootstrapworld.org/images/icon.gif")
|
||||
(bitmap/url "http://www.bootstrapworld.org/images/icon.png"))
|
||||
#f)
|
||||
|
||||
"checking a rectangle against itself"
|
||||
(check-expect (image=? (rectangle 100 50 "solid" "blue")
|
||||
(rectangle 100 50 "solid" "blue"))
|
||||
#t)
|
||||
|
||||
"checking a rhombus against itself"
|
||||
(check-expect (image=? (rhombus 100 50 "solid" "blue")
|
||||
(rhombus 100 50 "solid" "blue"))
|
||||
#t)
|
||||
|
||||
"checking a square against a 2x larger one that's been scaled by 1/2"
|
||||
(check-expect (image=? (scale 1/2 (square 100 "solid" "blue"))
|
||||
(square 50 "solid" "blue"))
|
||||
#t)
|
||||
|
||||
"checking a square against a 2x larger one that's been scaled by 1/3"
|
||||
(check-expect (image=? (scale 1/3 (square 100 "solid" "blue"))
|
||||
(square 50 "solid" "blue"))
|
||||
#f)
|
||||
|
||||
"checking a rectangle against its equivalent polygon"
|
||||
(check-expect (image=? (regular-polygon 40 4 "solid" "black")
|
||||
(rectangle 40 40 "solid" "black"))
|
||||
#t)
|
||||
|
||||
"checking a circle against its equivalent ellipse"
|
||||
(check-expect (image=? (circle 50 90 "orange")
|
||||
(ellipse 100 100 90 "orange"))
|
||||
#t)
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; IMAGE PROPERTIES
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
"(image-width (ellipse 30 40 'solid' 'orange'))"
|
||||
(image-width (ellipse 30 40 "solid" "orange"))
|
||||
|
||||
"(image-width (circle 30 'solid' 'orange'))"
|
||||
(image-width (circle 30 "solid" "orange"))
|
||||
|
||||
"(image-width (beside (circle 20 'solid' 'orange') (circle 20 'solid' 'purple')))"
|
||||
(image-width (beside (circle 20 "solid" "orange") (circle 20 "solid" "purple")))
|
||||
|
||||
"(image-height (overlay (circle 20 'solid' 'orange') (circle 30 'solid' 'purple')))"
|
||||
(image-height (overlay (circle 20 "solid" "orange") (circle 30 "solid" "purple")))
|
||||
|
||||
"(image-height (rectangle 10 0 'solid' 'purple'))"
|
||||
(image-height (rectangle 10 0 "solid" "purple"))
|
||||
|
||||
"(image-baseline (text 'Hello' 24 'black'))"
|
||||
(image-baseline (text "Hello" 24 "black"))
|
||||
|
||||
"(image-baseline (text/font 'Goodbye' 48 'indigo' 'Helvetica' 'modern 'normal 'normal #f))"
|
||||
(image-baseline (text/font "Goodbye" 48 "indigo" "Helvetica" 'modern 'normal 'normal #f))
|
||||
|
||||
|
||||
"(image-height (text/font 'Goodbye' 48 'indigo' 'Helvetica' 'modern 'normal 'normal #f))"
|
||||
(image-height (text/font "Goodbye" 48 "indigo" "Helvetica" 'modern 'normal 'normal #f))
|
||||
|
||||
"(image-baseline (rectangle 100 100 'solid' 'black'))"
|
||||
(image-baseline (rectangle 100 100 "solid" "black"))
|
||||
|
||||
"(image-height (rectangle 100 100 'solid' 'black'))"
|
||||
(image-height (rectangle 100 100 "solid" "black"))
|
||||
|
||||
|
||||
"(mode? 'outline')"
|
||||
(mode? "outline")
|
||||
|
||||
"(mode? 'checkered')"
|
||||
(mode? "checkered")
|
||||
|
||||
"(image-color? 'pink')"
|
||||
(image-color? "pink")
|
||||
|
||||
"(image-color? 'puke')"
|
||||
(image-color? "puke")
|
||||
|
||||
"(y-place? 'middle')"
|
||||
(y-place? "middle")
|
||||
|
||||
"(x-place? 'up-top')"
|
||||
(x-place? "up-top")
|
||||
|
||||
"(angle? 290)"
|
||||
(angle? 290)
|
||||
|
||||
"(angle? -290)"
|
||||
(angle? -290)
|
||||
|
||||
"(side-count? 20)"
|
||||
(side-count? 20)
|
||||
|
||||
"(side-count? 2)"
|
||||
(side-count? 2)
|
||||
|
||||
"(step-count? 2)"
|
||||
(step-count? 2)
|
||||
|
||||
"(step-count? 0)"
|
||||
(step-count? 0)
|
||||
Loading…
Reference in New Issue
Block a user