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Pinstripe/Printer: Difference between revisions
→{{header|Liberty BASIC}}
Line 179:
end
</lang>
=={{header|Nim}}==
{{libheader||gintro}}
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The code is almost the same as for [[Pinstripe/Display#Nim]] task.
<lang Nim>import gintro/[glib, gobject, gtk, gio, cairo]
const Colors = [[255.0, 255.0, 255.0], [0.0, 0.0, 0.0]]
#---------------------------------------------------------------------------------------------------
proc beginPrint(op: PrintOperation; printContext: PrintContext; data: pointer) =
## Process signal "begin_print", that is set the number of pages to print.
op.setNPages(1)
#---------------------------------------------------------------------------------------------------
proc drawPage(op: PrintOperation; printContext: PrintContext; pageNum: int; data: pointer) =
## Draw a page.
let context = printContext.getCairoContext()
let lineHeight = printContext.height / 4
var y = 0.0
for lineWidth in [1.0, 2.0, 3.0, 4.0]:
context.setLineWidth(lineWidth)
var x = 0.0
var colorIndex = 0
while x < printContext.width:
context.setSource(Colors[colorIndex])
context.moveTo(x, y)
context.lineTo(x, y + lineHeight)
context.stroke()
colorIndex = 1 - colorIndex
x += lineWidth
y += lineHeight
#---------------------------------------------------------------------------------------------------
proc activate(app: Application) =
## Activate the application.
# Launch a print operation.
let op = newPrintOperation()
op.connect("begin_print", beginPrint, pointer(nil))
op.connect("draw_page", drawPage, pointer(nil))
# Run the print dialog.
discard op.run(printDialog)
#———————————————————————————————————————————————————————————————————————————————————————————————————
let app = newApplication(Application, "Rosetta.ColorPinstripe")
discard app.connect("activate", activate)
discard app.run()</lang>
=={{header|Phix}}==
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