⚠️ Warning: This is a draft ⚠️
This means it might contain formatting issues, incorrect code, conceptual problems, or other severe issues.
If you want to help to improve and eventually enable this page, please fork RosettaGit's repository and open a merge request on GitHub.
{{task|Test card}} [[File:Pinstripe-mono-unicon.gif|thumb|right|Sample image]] The task is to demonstrate the creation of a series of 1 pixel wide vertical pinstripes across the entire width of the display. The pinstripes should alternate one pixel white, one pixel black.
Quarter of the way down the display, we can switch to a wider 2 pixel wide vertical pinstripe pattern, alternating two pixels white, two pixels black. Half way down the display, we switch to 3 pixels wide, and for the lower quarter of the display we use 4 pixels.
c.f. [[Colour_pinstripe/Display]]
ActionScript
package {
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Sprite;
import flash.events.Event;
public class Pinstripe extends Sprite {
public function Pinstripe():void {
if (stage) init();
else addEventListener(Event.ADDED_TO_STAGE, init);
}
private function init(e:Event = null):void {
var data:BitmapData = new BitmapData(stage.stageWidth, stage.stageHeight, false, 0xFFFFFFFF);
data.lock();
var w:uint = data.width, h:uint = data.height / 4;
var x:uint, y:uint = 0, i:uint, px:uint, colour:uint, maxy:uint = h;
for ( i = 1; i <= 4; i++ ) {
for ( ; y < maxy; y++ ) {
colour = 0xFF000000;
px = 1;
for ( x = 0; x < w; x++ ) {
if ( px == i ) {
colour = (colour == 0xFF000000) ? 0xFFFFFFFF : 0xFF000000;
px = 1;
}
else px++;
data.setPixel32(x, y, colour);
}
}
maxy += h;
}
data.unlock();
addChild(new Bitmap(data));
}
}
}
AutoHotkey
Requires the GDI+ standard library: http://www.autohotkey.com/forum/viewtopic.php?t=32238
It is worth noting that this fills the whole screen; press Esc to exit.
h := A_ScreenHeight
w := A_ScreenWidth
pToken := Gdip_Startup()
hdc := CreateCompatibleDC()
hbm := CreateDIBSection(w, h)
obm := SelectObject(hdc, hbm)
G := Gdip_GraphicsFromHDC(hdc)
OnExit, Exit
Gui -Caption +E0x80000 +LastFound +OwnDialogs +Owner +AlwaysOnTop
Gui Show, NA
hwnd := WinExist()
pBrushB := Gdip_BrushCreateSolid(0xFF000000)
pBrushW := Gdip_BrushCreateSolid(0xFFFFFFFF)
Loop 4
{
n := A_Index
Loop % w
BorW := A_Index & 1 ? "B" : "W"
,Gdip_FillRectangle(G, pBrush%BorW%
, A_Index*n-n, (n-1)*h/4, n, h/4)
}
UpdateLayeredWindow(hwnd, hdc, 0, 0, W, H)
Gdip_DeleteBrush(pBrushB)
Gdip_DeleteBrush(pBrushW)
SelectObject(hdc, obm)
DeleteObject(hbm)
DeleteDC(hdc)
Gdip_DeleteGraphics(G)
Return
Escape::
Exit:
Gdip_Shutdown(pToken)
ExitApp
BBC BASIC
{{works with|BBC BASIC for Windows}}
GWL_STYLE = -16
HWND_TOPMOST = -1
WS_VISIBLE = &10000000
WS_CLIPCHILDREN = &2000000
WS_CLIPSIBLINGS = &4000000
SYS "GetSystemMetrics", 0 TO xscreen%
SYS "GetSystemMetrics", 1 TO yscreen%
SYS "SetWindowLong", @hwnd%, GWL_STYLE, WS_VISIBLE + \
\ WS_CLIPCHILDREN + WS_CLIPSIBLINGS
SYS "SetWindowPos", @hwnd%, HWND_TOPMOST, 0, 0, xscreen%, yscreen%, 0
VDU 26
FOR X% = 0 TO xscreen%*4-4 STEP 4
RECTANGLE FILL X%,yscreen%*3/2,2,yscreen%/2
NEXT
FOR X% = 0 TO xscreen%*4-8 STEP 8
RECTANGLE FILL X%,yscreen%*2/2,4,yscreen%/2
NEXT
FOR X% = 0 TO xscreen%*4-12 STEP 12
RECTANGLE FILL X%,yscreen%*1/2,6,yscreen%/2
NEXT
FOR X% = 0 TO xscreen%*4-16 STEP 16
RECTANGLE FILL X%,yscreen%*0/2,8,yscreen%/2
NEXT
Befunge
This is loosely based on the [[Pinstripe/Display#C.23|C#]] sample, only it writes the image to stdout using the PBM format. You can either redirect that to a file, or pipe it to something like ImageMagick's ''display'' utility to view the result.
The dimensions of the image are specified by the first two values on the stack: 1366 ("%":3-) by 768 ("`"8).
"%":*3-"`"8*>4/::8%00p8/10p4*\55+"1P",,v
,:.\.5vv-g025:\-1_$$55+,\:v1+*8g01g00_@>
024,+5<>/2%.1+\:>^<:\0:\-1_$20g1-:20p^1p
C
This code is only a slight variation of my [http://rosettacode.org/wiki/Colour_pinstripe/Display#C Colour Pinstripe C code]. It also uses Borland's Turbo C graphics library.
#include<graphics.h> #include<conio.h> #define sections 4 int main() { int d=DETECT,m,maxX,maxY,x,y,increment=1; initgraph(&d,&m,"c:/turboc3/bgi"); maxX = getmaxx(); maxY = getmaxy(); for(y=0;y<maxY;y+=maxY/sections) { for(x=0;x<maxX;x+=increment) { setfillstyle(SOLID_FILL,(x/increment)%2==0?BLACK:WHITE); //The only line which differs bar(x,y,x+increment,y+maxY/sections); } increment++; } getch(); closegraph(); return 0; }
C++
[[File:bw_pinstripe_cpp.png|300px]]
#include <windows.h> //-------------------------------------------------------------------------------------------------- class pinstripe { public: pinstripe() { createColors(); } void setDimensions( int x, int y ) { _mw = x; _mh = y; } void createColors() { colors[0] = 0; colors[1] = RGB( 255, 255, 255 ); } void draw( HDC dc ) { HPEN pen; int lh = _mh / 4, row, cp; for( int lw = 1; lw < 5; lw++ ) { cp = 0; row = ( lw - 1 ) * lh; for( int x = 0 + lw > 1 ? lw > 3 ? 2 : 1 : 0; x < _mw; x += lw ) { pen = CreatePen( PS_SOLID, lw, colors[cp] ); ++cp %= 2; SelectObject( dc, pen ); MoveToEx( dc, x, row, NULL ); LineTo( dc, x, row + lh ); DeleteObject( pen ); } } } private: int _mw, _mh; DWORD colors[2]; }; //-------------------------------------------------------------------------------------------------- pinstripe pin; //-------------------------------------------------------------------------------------------------- void PaintWnd( HWND hWnd ) { PAINTSTRUCT ps; HDC hdc = BeginPaint( hWnd, &ps ); pin.draw( hdc ); EndPaint( hWnd, &ps ); } //-------------------------------------------------------------------------------------------------- LRESULT CALLBACK WndProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam ) { switch( msg ) { case WM_DESTROY: PostQuitMessage( 0 ); break; case WM_PAINT: PaintWnd( hWnd ); break; default: return DefWindowProc( hWnd, msg, wParam, lParam ); } return 0; } //-------------------------------------------------------------------------------------------------- HWND InitAll( HINSTANCE hInstance ) { WNDCLASSEX wcex; ZeroMemory( &wcex, sizeof( wcex ) ); wcex.cbSize = sizeof( WNDCLASSEX ); wcex.style = CS_HREDRAW | CS_VREDRAW; wcex.lpfnWndProc = WndProc; wcex.hInstance = hInstance; wcex.hCursor = LoadCursor( NULL, IDC_ARROW ); wcex.hbrBackground = ( HBRUSH )( COLOR_WINDOW + 1 ); wcex.lpszClassName = "_BW_PS_"; RegisterClassEx( &wcex ); return CreateWindow( "_BW_PS_", ".: Pinstripe -- PJorente :.", WS_POPUP, CW_USEDEFAULT, 0, 200, 200, NULL, NULL, hInstance, NULL ); } //-------------------------------------------------------------------------------------------------- int APIENTRY _tWinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow ) { srand( GetTickCount() ); HWND hwnd = InitAll( hInstance ); if( !hwnd ) return -1; int mw = GetSystemMetrics( SM_CXSCREEN ), mh = GetSystemMetrics( SM_CYSCREEN ); pin.setDimensions( mw, mh ); RECT rc = { 0, 0, mw, mh }; AdjustWindowRectEx( &rc, WS_POPUP, FALSE, 0 ); int w = rc.right - rc.left, h = rc.bottom - rc.top; int posX = ( GetSystemMetrics( SM_CXSCREEN ) >> 1 ) - ( w >> 1 ), posY = ( GetSystemMetrics( SM_CYSCREEN ) >> 1 ) - ( h >> 1 ); SetWindowPos( hwnd, HWND_TOP, posX, posY, w, h, SWP_NOZORDER ); ShowWindow( hwnd, nCmdShow ); UpdateWindow( hwnd ); MSG msg; ZeroMemory( &msg, sizeof( msg ) ); while( msg.message != WM_QUIT ) { if( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) != 0 ) { TranslateMessage( &msg ); DispatchMessage( &msg ); } } return UnregisterClass( "_BW_PS_", hInstance ); } //--------------------------------------------------------------------------------------------------
C#
Using System.Drawing, and writing the output to a file.
using System.Drawing; public class Pinstripe { static void Main(string[] args) { var pinstripe = MakePinstripeImage(1366, 768); pinstripe.Save("pinstripe.png"); } public static Bitmap MakePinstripeImage(int width, int height) { var image = new Bitmap(width, height); var quarterHeight = height / 4; for (var y = 0; y < height; y++) { var stripeWidth = (y / quarterHeight) + 1; for (var x = 0; x < width; x++) { var color = ((x / stripeWidth) % 2) == 0 ? Color.White : Color.Black; image.SetPixel(x, y, color); } } return image; } }
FreeBASIC
' version 14-03-2017
' compile with: fbc -s console
' or compile with: fbc -s gui
Dim As UInteger ps, col, h, w, x, y1, y2
ScreenInfo w, h
' create display size window, 8bit color (palette), no frame
ScreenRes w, h, 8,, 8
' vga palette black = 0 and white = 15
h = h \ 4 : y2 = h -1
For ps = 1 To 4
col = 0
For x = 0 To (w - ps -1) Step ps
Line (x, y1) - (x + ps -1, y2), col, bf
col = 15 - col ' col alternate between 0 (black) and 15 (white)
Next
y1 += h : y2 += h
Next
' empty keyboard buffer
While InKey <> "" : Wend
'Print : Print "hit any key to end program"
Sleep
End
Gambas
'WARNING this takes a time to display
'Use the 'gb.qt4' component
Public Sub Form_Open()
Dim iColour As Integer[] = [Color.Black, Color.white]
Dim hPanel As Panel
Dim siCount, siCounter, siSet As Short
With Me
.Arrangement = Arrange.Row
.Border = False
.Height = Desktop.Height
.Width = Desktop.Width
.Fullscreen = True
End With
For siCounter = 1 To 4
For siCount = 1 To Desktop.Width Step siCounter
hpanel = New Panel(Me)
hpanel.Width = siCounter
hpanel.Height = Desktop.Height / 4
HPanel.Background = iColour[siSet]
Inc siSet
If siSet > 1 Then siSet = 0
Next
Next
End
'''[http://www.cogier.com/gambas/Pinstripe.png Click here for an image of the output]'''
Go
{{libheader|Go Graphics}} The code here is the same as that for the [https://rosettacode.org/wiki/Colour_pinstripe/Display#Go Color pinstripe task] except that the palette is limited to the two colors, white and black.
package main import "github.com/fogleman/gg" var palette = [2]string{ "FFFFFF", // white "000000", // black } func pinstripe(dc *gg.Context) { w := dc.Width() h := dc.Height() / 4 for b := 1; b <= 4; b++ { for x, ci := 0, 0; x < w; x, ci = x+b, ci+1 { dc.SetHexColor(palette[ci%2]) y := h * (b - 1) dc.DrawRectangle(float64(x), float64(y), float64(b), float64(h)) dc.Fill() } } } func main() { dc := gg.NewContext(900, 600) pinstripe(dc) dc.SavePNG("w_pinstripe.png") }
{{out}}
Image similar to the XPL0 entry.
=={{header|Icon}} and {{header|Unicon}}== Icon and Unicon can't access the screen directly, so this pinstripe is produced in a maximal sized window. The maximal dimensions have been empirically reduced to keep the boundary on the screen.
link graphics
procedure main() # pinstripe
WOpen("canvas=hidden") # hide for query
height := WAttrib("displayheight") - 45 # adjust for ...
width := WAttrib("displaywidth") - 20 # ... window 7 borders
WClose(&window)
W := WOpen("size="||width||","||height,"bg=black","fg=white") |
stop("Unable to open window")
maxbands := 4 # bands to draw
bandheight := height / maxbands # height of each band
every bands := 1 to maxbands do { # for each band
top := 1 + bandheight * (bands-1) # .. top of band
step := 2^bands # .. number of steps (width)
lines := step / 2 # .. number (width) of stripes
every c := 1 to width by step & l := 0 to lines-1 do
DrawLine(c+l,top,c+l,top+bandheight-1)
}
WDone(W) # q to exit
end
{{libheader|Icon Programming Library}} [http://www.cs.arizona.edu/icon/library/src/procs/graphics.icn graphics.icn supports graphics]
J
load'viewmat'
NB. size=. 2{.".wd'qm' NB. J6
NB. size=. getscreenwh_jgtk_ '' NB. J7
size=. 3{".wd'qscreen' NB. J8
'rgb'viewmat- (4<.@%~{:size)# ({.size) $&> 1 2 3 4#&.> <0 1
Java
import java.awt.*; import javax.swing.*; public class PinstripeDisplay extends JPanel { final int bands = 4; public PinstripeDisplay() { setPreferredSize(new Dimension(900, 600)); } @Override public void paintComponent(Graphics g) { super.paintComponent(g); int h = getHeight(); for (int b = 1; b <= bands; b++) { for (int x = 0, colIndex = 0; x < getWidth(); x += b, colIndex++) { g.setColor(colIndex % 2 == 0 ? Color.white : Color.black); g.fillRect(x, (b - 1) * (h / bands), x + b, b * (h / bands)); } } } public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { JFrame f = new JFrame(); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setTitle("PinstripeDisplay"); f.add(new PinstripeDisplay(), BorderLayout.CENTER); f.pack(); f.setLocationRelativeTo(null); f.setVisible(true); } }); } }
Julia
In the Luxor module, the setline() function sets the line width in pixels, which is convenient for pinstriping.
using Luxor function drawbars(w, h, sections, dk, lt) Drawing(w,h) background("white") width = 1 height = h/sections for y in 0:height:h-1 setline(width) for x in 0:w/width sethue(x % 2 == 0 ? dk: lt) line(Point(x*width,y), Point(x*width,y+height), :stroke) end width += 1 end end drawbars(1920, 1080, 4, "black", "white") finish() preview()
Kotlin
{{trans|Java}}
// version 1.1.0 import java.awt.* import javax.swing.* class ColourPinstripeDisplay(): JPanel() { private companion object { val palette = arrayOf(Color.white, Color.black) } private val bands = 4 init { preferredSize = Dimension(900, 600) } protected override fun paintComponent(g: Graphics) { super.paintComponent(g) for (b in 1..bands) { var colIndex = 0 val h = height / bands for (x in 0 until width step b) { g.color = palette[colIndex % palette.size] g.fillRect(x, (b - 1) * h, b, h) colIndex++ } } } } fun main(args: Array<String>) { SwingUtilities.invokeLater { val f = JFrame() f.defaultCloseOperation = JFrame.EXIT_ON_CLOSE f.title = "PinstripeDisplay" f.add(ColourPinstripeDisplay(), BorderLayout.CENTER) f.pack() f.setLocationRelativeTo(null) f.setVisible(true) } }
Liberty BASIC
Fills whole screen; use Alt-F4 to close program.
nomainwin
UpperLeftX=1
UpperLeftY=1
WindowWidth=DisplayWidth
WindowHeight=DisplayHeight
graphicbox #gr.gr, -1, -1, DisplayWidth+4, DisplayHeight+1
open "Pinstripe/Display" for window_popup as #gr
#gr.gr "down"
#gr.gr "trapclose [quit]"
#gr.gr "color black"
#gr.gr "backcolor black"
for w = 1 to 4
y1=y2
y2=y1+DisplayHeight/4
for x = w to DisplayWidth+4 step w*2
#gr.gr "place ";x;" ";y1;"; boxfilled ";x+w;" ";y2
next
next
wait
[quit]
close #gr
end
Locomotive Basic
10 MODE 2 ' finest resolution
20 sh=400 ' screen height
30 sw=640 ' screen width
40 INK 0,26 ' white ink for background pen (0)
50 INK 1,0 ' black ink for foreground pen (1)
60 FOR sn=1 TO 4 ' four sections
70 bh=INT (sh/4) ' bar height
80 bb=(4-sn)*bh ' bar baseline
90 dw=0 ' currently drawn bar width
100 dc=0 ' current drawing colour
110 FOR l=0 TO sw -1 ' pan width for each section
120 PLOT l,bb,dc
130 DRAWR 0,bh-1,dc ' subtract 1 pixel (already plotted)
140 dw=dw+1
150 ' section number corresponds to maximum bar width
160 ' change bar colour, if maximum bar width exceeded
170 IF dw>sn THEN dw=0:dc=dc+1 ' next colour
180 IF dc>1 THEN dc=0
190 NEXT l
200 NEXT sn
Lua
{{libheader|LÖVE}} {{works with|LÖVE|0.9.2}}
function love.load() WIDTH = love.window.getWidth() ROW_HEIGHT = math.floor(love.window.getHeight()/4) love.graphics.setBackgroundColor({0,0,0}) love.graphics.setLineWidth(1) love.graphics.setLineStyle("rough") end function love.draw() for j = 0, 3 do for i = 0, WIDTH, (j+1)*2 do love.graphics.setColor({255,255,255}) for h = 0, j do love.graphics.line(i+h, j*ROW_HEIGHT, i+h, (j+1)*ROW_HEIGHT) end end end end
Mathematica
color[y_] := {White, Black}[[Mod[y, 2] + 1]];
Graphics[Join[{Thickness[1/408]},
Flatten[{color[#], Line[{{# - 1/2, 408}, {# - 1/2, 307}}]} & /@
Range[408]], {Thickness[1/204]},
Flatten[{color[#], Line[{{2 # - 1, 306}, {2 # - 1, 205}}]} & /@
Range[204]], {Thickness[1/136]},
Flatten[{color[#], Line[{{3 # - 3/2, 204}, {3 # - 3/2, 103}}]} & /@
Range[136]], {Thickness[1/102]},
Flatten[{color[#], Line[{{4 # - 2, 102}, {4 # - 2, 1}}]} & /@
Range[102]]], ImageSize -> {408, 408}]
{{out}} See [https://www.dropbox.com/s/2ukd07ja3ubyjma/Mathematica_Pinstripes.png?dl=0 here].
Perl
use Imager; my($xsize,$ysize) = (640,400); $img = Imager->new(xsize => $xsize, ysize => $ysize); my $eps = 10**-14; my $height = int $ysize / 4; for my $width (1..4) { $stripes = int((1-$eps) + $xsize / $width / 2); @row = ((0) x $width, (1) x $width) x $stripes; for $x (0..$#row) { for $y (0..$height) { my $offset = $height*($width-1); $img->setpixel(x => $x, y => $y+$offset, color => $row[$x] ? 'black' : 'white') } } } $img->write(file => 'pinstripes-bw.png');
[https://github.com/SqrtNegInf/Rosettacode-Perl5-Smoke/blob/master/ref/pinstripes-bw.png Pinstripes] (offsite image)
Perl 6
{{Works with|rakudo|2018.10}}
my ($x,$y) = 1280,720;
my @colors = 0, 1;
spurt "pinstripes.pgm", qq:to/EOH/ orelse .die;
P5
# pinstripes.pgm
$x $y
1
EOH
my $img = open "pinstripes.pgm", :a, :bin orelse .die;
my $vzones = $y div 4;
for 1..4 -> $w {
my $stripes = ceiling $x / $w / +@colors;
my $line = Buf.new: (flat((@colors Xxx $w) xx $stripes).Array).splice(0,$x); # DH change 2015-12-20
$img.write: $line for ^$vzones;
}
$img.close;
Phix
Just change [http://rosettacode.org/wiki/Colour_pinstripe/Display#Phix Colour Pinstripe] such that colours = {CD_BLACK, CD_WHITE}
PicoLisp
(let Pbm # Create PBM of 384 x 288 pixels
(make
(for N 4
(let
(C 0
L (make
(do (/ 384 N)
(do N (link C))
(setq C (x| 1 C)) ) ) )
(do 72 (link L)) ) ) )
(out '(display) # Pipe to ImageMagick
(prinl "P1")
(prinl (length (car Pbm)) " " (length Pbm))
(mapc prinl Pbm) ) )
PureBasic
#White = $FFFFFF ;color
;Create a Pinstripe image
Procedure PinstripeDisplay(width, height)
Protected x, imgID, psHeight = height / 4, psWidth = 1, psTop, horzBand
imgID = CreateImage(#PB_Any, width, height)
If imgID
StartDrawing(ImageOutput(imgID))
Repeat
x = 0
Repeat
Box(x, psTop, psWidth, psHeight, #White)
x + 2 * psWidth
Until x >= width
psWidth + 1
horzBand + 1
psTop = horzBand * height / 4 ;move to the top of next horizontal band of image
Until psTop >= height
StopDrawing()
EndIf
ProcedureReturn imgID
EndProcedure
;Open a window and display the pinstripe
If OpenWindow(0, 0, 0, 1, 1,"PureBasic Pinstripe", #PB_Window_Maximize | #PB_Window_SystemMenu)
PicID = PinstripeDisplay(WindowWidth(0), WindowHeight(0))
ImageGadget(0, 0, 0, WindowWidth(0), WindowHeight(0), ImageID(PicID))
While WaitWindowEvent() <> #PB_Event_CloseWindow
Wend
EndIf
Python
#Python task for Pinstripe/Display #Tested for Python2.7 by Benjamin Curutchet #Import PIL libraries from PIL import Image from PIL import ImageColor from PIL import ImageDraw #Create the picture (size parameter 1660x1005 like the example) x_size = 1650 y_size = 1000 im = Image.new('RGB',(x_size, y_size)) #Create a full black picture draw = ImageDraw.Draw(im) #RGB code for the White Color White = (255,255,255) #First loop in order to create four distinct lines y_delimiter_list = [] for y_delimiter in range(1,y_size,y_size/4): y_delimiter_list.append(y_delimiter) #Four different loops in order to draw columns in white depending on the #number of the line for x in range(1,x_size,2): for y in range(1,y_delimiter_list[1],1): draw.point((x,y),White) for x in range(1,x_size-1,4): for y in range(y_delimiter_list[1],y_delimiter_list[2],1): draw.point((x,y),White) draw.point((x+1,y),White) for x in range(1,x_size-2,6): for y in range(y_delimiter_list[2],y_delimiter_list[3],1): draw.point((x,y),White) draw.point((x+1,y),White) draw.point((x+2,y),White) for x in range(1,x_size-3,8): for y in range(y_delimiter_list[3],y_size,1): draw.point((x,y),White) draw.point((x+1,y),White) draw.point((x+2,y),White) draw.point((x+3,y),White) #Save the picture under a name as a jpg file. print "Your picture is saved" im.save('PictureResult.jpg')
Racket
(As usual with Racket, this code works on all platforms.)
#lang racket/gui
(define-values [W H] (get-display-size #t))
(define parts 4)
(define (paint-pinstripe canvas dc)
(send dc set-pen "black" 0 'solid)
(send dc set-brush "black" 'solid)
(define H* (round (/ H parts)))
(for ([row parts])
(define Y (* row H*))
(for ([X (in-range 0 W (* (add1 row) 2))])
(send dc draw-rectangle X Y (add1 row) H*))))
(define full-frame%
(class frame%
(define/override (on-subwindow-char r e)
(when (eq? 'escape (send e get-key-code))
(send this show #f)))
(super-new
[label "Pinstripe"] [width W] [height H]
[style '(no-caption no-resize-border hide-menu-bar no-system-menu)])
(define c (new canvas% [parent this] [paint-callback paint-pinstripe]))
(send this show #t)))
(void (new full-frame%))
Ring
# Project : Pinstripe/Display
load "guilib.ring"
paint = null
new qapp
{
win1 = new qwidget() {
setwindowtitle("Pinstripe/Display")
setgeometry(100,100,500,600)
label1 = new qlabel(win1) {
setgeometry(10,10,400,400)
settext("")
}
new qpushbutton(win1) {
setgeometry(150,500,100,30)
settext("draw")
setclickevent("draw()")
}
show()
}
exec()
}
func draw
p1 = new qpicture()
color = new qcolor() {
setrgb(0,0,255,255)
}
pen = new qpen() {
setcolor(color)
setwidth(1)
}
paint = new qpainter() {
begin(p1)
setpen(pen)
xscreen = 100
yscreen = 100
color = new qcolor()
color.setrgb(0,0,0,255)
mybrush = new qbrush() {setstyle(1) setcolor(color)}
setbrush(mybrush)
for x = 0 to xscreen*4-4 step 4
drawrect(x,yscreen*3/2,2,yscreen/2)
next
for x = 0 to xscreen*4-8 step 8
drawrect(x,yscreen*2/2,4,yscreen/2)
next
for x = 0 to xscreen*4-12 step 12
drawrect(x,yscreen*1/2,6,yscreen/2)
next
for x = 0 to xscreen*4-16 step 16
drawrect(x,yscreen*0/2,8,yscreen/2)
next
endpaint()
}
label1 { setpicture(p1) show() }
return
Output:
https://www.dropbox.com/s/kbwb8jq5q90n88b/Pinstripe.jpg?dl=0
Scala
Java Swing Interoperability
import java.awt._ import javax.swing._ object PinstripeDisplay extends App { SwingUtilities.invokeLater(() => new JFrame("Pinstripe") { class Pinstripe_Display extends JPanel { override def paintComponent(g: Graphics): Unit = { val bands = 4 super.paintComponent(g) for (b <- 1 to bands) { var colIndex = 0 for (x <- 0 until getWidth by b) { g.setColor(if (colIndex % 2 == 0) Color.white else Color.black) g.fillRect(x, (b - 1) * (getHeight / bands), x + b, b * (getHeight / bands)) colIndex += 1 } } } setPreferredSize(new Dimension(900, 600)) } add(new Pinstripe_Display, BorderLayout.CENTER) pack() setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE) setLocationRelativeTo(null) setVisible(true) }) }
Sinclair ZX81 BASIC
Requires at least 2k of RAM. (Why? Because the whole screen is in use: we have no separate video RAM, so the 1k model runs out of memory trying to plot the bottom quarter of the display.)
The ZX81's graphics resolution is only 64x44, so this is quite a blocky pinstripe. It would be 64x48, in fact; but a strip along the bottom of the screen is reserved for system messages and user input and cannot be made available for other purposes (at least not from BASIC).
10 FOR W=1 TO 4
20 FOR I=0 TO 63 STEP 2*W
30 FOR J=1 TO W
40 FOR K=43-11*(W-1) TO 33-11*(W-1) STEP -1
50 PLOT I+J,K
60 NEXT K
70 NEXT J
80 NEXT I
90 NEXT W
{{out}} Screenshot [http://www.edmundgriffiths.com/zx81pinstripe.jpg here].
Tcl
{{libheader|Tk}}
package require Tcl 8.5 package require Tk 8.5 wm attributes . -fullscreen 1 pack [canvas .c -highlightthick 0] -fill both -expand 1 set colors {black white} set dy [expr {[winfo screenheight .c]/4}] set y 0 foreach dx {1 2 3 4} { for {set x 0} {$x < [winfo screenwidth .c]} {incr x $dx} { .c create rectangle $x $y [expr {$x+$dx}] [expr {$y+$dy}] \ -fill [lindex $colors 0] -outline {} set colors [list {*}[lrange $colors 1 end] [lindex $colors 0]] } incr y $dy }
XPL0
include c:\cxpl\codes; \include 'code' declarations
int X, Y, W, C;
[SetVid($13); \320x200x8 graphics
for Y:= 0 to 200-1 do \for all the scan lines...
[W:= Y/50 + 1; \width of stripe = 1, 2, 3, 4
C:= 0; \set color to black so first pixel becomes white
for X:= 0 to 320-1 do \for all the pixels on a scan line...
[if rem(X/W) = 0 then C:= C xor $0F; \alternate B&W
Point(X, Y, C); \set pixel at X,Y to color C
];
];
X:= ChIn(1); \wait for keystroke
SetVid(3); \restore normal text display
]
Output: [[File:PinsXPL0.png]]
{{omit from|Blast}} {{omit from|GUISS|An application has to be installed for this}} {{omit from|Lotus 123 Macro Scripting}} {{omit from|OOCalc}}