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

YAPC::EU 2018 Glasgow Update!

Browse source
This commit is contained in:
Ingy döt Net 2018-08-17 15:15:24 +01:00
parent 22f33d4004
commit 4e2d22a71d
1170 changed files with 15042 additions and 3047 deletions
Download patch file Download diff file Expand all files Collapse all files

61
Task/Bitmap/Scala/bitmap-3.scala
View file

@ -1,11 +1,7 @@
package org.rosettacode
package bitmapstore
object RgbBitmap {
import java.awt.image.BufferedImage
import java.awt.Color
import java.awt.image.BufferedImage
import java.awt.Color
object RgbBitmap extends App {
class RgbBitmap(val dim: (Int, Int)) {
def width = dim._1
def height = dim._2
@ -14,44 +10,33 @@ object RgbBitmap {
def apply(x: Int, y: Int) = new Color(image.getRGB(x, y))
def update(x: Int, y: Int, c: Color) = image.setRGB(x, y, c.getRGB())
def update(x: Int, y: Int, c: Color) = image.setRGB(x, y, c.getRGB)
def fill(c: Color) =
{
val g = image.getGraphics()
g.setColor(c)
g.fillRect(0, 0, width, height)
}
def fill(c: Color) = {
val g = image.getGraphics
g.setColor(c)
g.fillRect(0, 0, width, height)
}
}
object RgbBitmap {
def apply(width: Int, height: Int) = new RgbBitmap(width, height)
}
def main(args: Array[String]): Unit = { // Test Scala style
val img = RgbBitmap(50, 60) // Calls the apply function in companion object
img.fill(Color.CYAN)
img(5, 6) = Color.BLUE
assert(img(0, 1) == Color.CYAN) // Calls automagically the apply method in the class
assert(img(5, 6) == Color.BLUE)
assert(img.dim == (50, 60))
/** Even Javanese style testing is still possible.
*/
import language.reflectiveCalls // Just to satisfy a polite warning
val img0 = new RgbBitmap(50, 60) { // Wrappers to enable adhoc Javanese style
def getPixel(x: Int, y: Int) = this(x, y)
def setPixel(x: Int, y: Int, c: Color) = this(x, y) = c
}
img0.fill(Color.CYAN)
img0.setPixel(5, 6, Color.BLUE)
// Testing java style
assert(img0.getPixel(0, 1) == Color.CYAN)
assert(img0.getPixel(5, 6) == Color.BLUE)
assert(img0.width == 50)
assert(img0.height == 60)
println("No errors found.")
/** Even Javanese style testing is still possible.
*/
private val img0 = new RgbBitmap(50, 60) { // Wrappers to enable adhoc Javanese style
def getPixel(x: Int, y: Int) = this(x, y)
def setPixel(x: Int, y: Int, c: Color) = this(x, y) = c
}
img0.fill(Color.CYAN)
img0.setPixel(5, 6, Color.BLUE)
// Testing in Java style
assert(img0.getPixel(0, 1) == Color.CYAN)
assert(img0.getPixel(5, 6) == Color.BLUE)
assert(img0.width == 50)
assert(img0.height == 60)
println("Tests successfully completed with no errors found.")
}