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Raster bars: Difference between revisions

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Raster bars (view source)

Revision as of 19:23, 8 November 2021

13,261 bytes added ,  2 years ago
m
→‎{{header|Phix}}: added syntax colouring, made p2js compatible
(add Rust version)
m (→‎{{header|Phix}}: added syntax colouring, made p2js compatible)
Line 357:
=={{header|Phix}}==
Some grey bars that vaguely shimmer as they march up the screen... (did not turn out quite as well as hoped)
<!--<lang Phix>(phixonline)-- demo\rosetta\Raster_bars.exw>
<span style="color: #000080;font-style:italic;">-- demo\rosetta\Raster_bars.exw</span>
constant N = 10,
<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span>
nColours = floor(255/N)
<span style="color: #008080;">constant</span> <span style="color: #000000;">title</span> <span style="color: #0000FF;">=</span> <span style="color: #008000;">"Raster bars"</span><span style="color: #0000FF;">,</span>
integer offset = 0, clast = nColours
<span style="color: #000000;">N</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">10</span><span style="color: #0000FF;">,</span>
 
<span style="color: #000000;">nColours</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">floor</span><span style="color: #0000FF;">(</span><span style="color: #000000;">255</span><span style="color: #0000FF;">/</span><span style="color: #000000;">N</span><span style="color: #0000FF;">)</span>
include pGUI.e
<span style="color: #004080;">integer</span> <span style="color: #000000;">offset</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">clast</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">nColours</span>
<span style="color: #008080;">include</span> <span style="color: #000000;">pGUI</span><span style="color: #0000FF;">.</span><span style="color: #000000;">e</span>
Ihandle dlg, canvas
cdCanvas cddbuffer, cdcanvas
<span style="color: #004080;">Ihandle</span> <span style="color: #000000;">dlg</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">canvas</span>
<span style="color: #004080;">cdCanvas</span> <span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">cdcanvas</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">colour</span><span style="color: #0000FF;">(</span><span style="color: #004080;">integer</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">)</span>
<span style="color: #004080;">integer</span> <span style="color: #000000;">g</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">*</span><span style="color: #000000;">N</span>
<span style="color: #008080;">return</span> <span style="color: #7060A8;">cdEncodeColorAlpha</span><span style="color: #0000FF;">(</span><span style="color: #000000;">g</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">g</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">g</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">255</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">redraw_cb</span><span style="color: #0000FF;">(</span><span style="color: #004080;">Ihandle</span> <span style="color: #000080;font-style:italic;">/*ih*/</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">integer</span> <span style="color: #000080;font-style:italic;">/*posx*/</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">/*posy*/</span><span style="color: #0000FF;">)</span>
function colour(integer i)
<span style="color: #7060A8;">cdCanvasActivate</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">)</span>
integer g = i*N
<span style="color: #7060A8;">cdCanvasSetBackground</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">colour</span><span style="color: #0000FF;">(</span><span style="color: #000000;">clast</span><span style="color: #0000FF;">))</span>
return cdEncodeColorAlpha(g, g, g, 255)
<span style="color: #7060A8;">cdCanvasClear</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">)</span>
end function
<span style="color: #004080;">integer</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">width</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">height</span><span style="color: #0000FF;">}</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupGetIntInt</span><span style="color: #0000FF;">(</span><span style="color: #000000;">canvas</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"DRAWSIZE"</span><span style="color: #0000FF;">),</span>
 
<span style="color: #000000;">h</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">floor</span><span style="color: #0000FF;">(</span><span style="color: #000000;">height</span><span style="color: #0000FF;">/(</span><span style="color: #000000;">nColours</span><span style="color: #0000FF;">-</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)),</span>
function redraw_cb(Ihandle /*ih*/, integer /*posx*/, integer /*posy*/)
<span style="color: #000000;">y</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">height</span><span style="color: #0000FF;">+</span><span style="color: #000000;">offset</span>
cdCanvasActivate(cddbuffer)
<span style="color: #7060A8;">cdCanvasSetInteriorStyle</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">,</span> <span style="color: #004600;">CD_SOLID</span><span style="color: #0000FF;">)</span>
cdCanvasSetBackground(cddbuffer, colour(clast))
<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">2</span> <span style="color: #008080;">to</span> <span style="color: #000000;">nColours</span> <span style="color: #008080;">do</span>
cdCanvasClear(cddbuffer)
<span style="color: #004080;">integer</span> <span style="color: #000000;">c</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">clast</span><span style="color: #0000FF;">+</span><span style="color: #000000;">i</span><span style="color: #0000FF;">-</span><span style="color: #000000;">1</span>
integer {width, height} = IupGetIntInt(canvas, "DRAWSIZE"),
<span style="color: #008080;">if</span> <span style="color: #000000;">c</span><span style="color: #0000FF;">></span><span style="color: #000000;">nColours</span> <span style="color: #008080;">then</span> <span style="color: #000000;">c</span> <span style="color: #0000FF;">-=</span> <span style="color: #000000;">nColours</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
h = floor(height/(nColours-1)),
<span style="color: #7060A8;">cdCanvasSetForeground</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">colour</span><span style="color: #0000FF;">(</span><span style="color: #000000;">c</span><span style="color: #0000FF;">))</span>
y = height+offset
<span style="color: #7060A8;">cdCanvasBox</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">width</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">y</span><span style="color: #0000FF;">-</span><span style="color: #000000;">h</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">y</span><span style="color: #0000FF;">)</span>
cdCanvasSetInteriorStyle(cddbuffer, CD_SOLID)
<span style="color: #000000;">y</span> <span style="color: #0000FF;">-=</span> <span style="color: #000000;">h</span>
for i=2 to nColours do
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
integer c = clast+i-1
<span style="color: #7060A8;">cdCanvasFlush</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">)</span>
if c>nColours then c -= nColours end if
<span style="color: #000000;">offset</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">1</span>
cdCanvasSetForeground(cddbuffer, colour(c))
<span style="color: #008080;">if</span> <span style="color: #000000;">offset</span><span style="color: #0000FF;">>=</span><span style="color: #000000;">h</span> <span style="color: #008080;">then</span>
cdCanvasBox(cddbuffer, 0, width, y-h, y)
<span style="color: #000000;">offset</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span>
y -= h
<span style="color: #000000;">clast</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">1</span>
end for
<span style="color: #008080;">if</span> <span style="color: #000000;">clast</span><span style="color: #0000FF;">></span><span style="color: #000000;">nColours</span> <span style="color: #008080;">then</span> <span style="color: #000000;">clast</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">1</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
cdCanvasFlush(cddbuffer)
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
offset += 1
<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_DEFAULT</span>
if offset>=h then
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
offset = 0
clast += 1
<span style="color: #008080;">function</span> <span style="color: #000000;">map_cb</span><span style="color: #0000FF;">(</span><span style="color: #004080;">Ihandle</span> <span style="color: #000000;">ih</span><span style="color: #0000FF;">)</span>
if clast>nColours then clast = 1 end if
<span style="color: #000000;">cdcanvas</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">cdCreateCanvas</span><span style="color: #0000FF;">(</span><span style="color: #004600;">CD_IUP</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">ih</span><span style="color: #0000FF;">)</span>
end if
<span style="color: #000000;">cddbuffer</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">cdCreateCanvas</span><span style="color: #0000FF;">(</span><span style="color: #004600;">CD_DBUFFER</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">cdcanvas</span><span style="color: #0000FF;">)</span>
return IUP_DEFAULT
<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_DEFAULT</span>
end function
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">unmap_cb</span><span style="color: #0000FF;">(</span><span style="color: #004080;">Ihandle</span> <span style="color: #000080;font-style:italic;">/*ih*/</span><span style="color: #0000FF;">)</span>
<span style="color: #7060A8;">cdKillCanvas</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">)</span>
<span style="color: #7060A8;">cdKillCanvas</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cdcanvas</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_DEFAULT</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">timer_cb</span><span style="color: #0000FF;">(</span><span style="color: #004080;">Ihandle</span> <span style="color: #000080;font-style:italic;">/*ih*/</span><span style="color: #0000FF;">)</span>
<span style="color: #7060A8;">IupRedraw</span><span style="color: #0000FF;">(</span><span style="color: #000000;">dlg</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_DEFAULT</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<span style="color: #008080;">procedure</span> <span style="color: #000000;">main</span><span style="color: #0000FF;">()</span>
function map_cb(Ihandle ih)
<span style="color: #7060A8;">IupOpen</span><span style="color: #0000FF;">()</span>
cdcanvas = cdCreateCanvas(CD_IUP, ih)
<span style="color: #000000;">canvas</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupCanvas</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"RASTERSIZE=600x400"</span><span style="color: #0000FF;">)</span>
cddbuffer = cdCreateCanvas(CD_DBUFFER, cdcanvas)
<span style="color: #7060A8;">IupSetCallbacks</span><span style="color: #0000FF;">(</span><span style="color: #000000;">canvas</span><span style="color: #0000FF;">,</span> <span style="color: #0000FF;">{</span><span style="color: #008000;">"MAP_CB"</span><span style="color: #0000FF;">,</span> <span style="color: #7060A8;">Icallback</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"map_cb"</span><span style="color: #0000FF;">),</span>
return IUP_DEFAULT
<span style="color: #008000;">"UNMAP_CB"</span><span style="color: #0000FF;">,</span> <span style="color: #7060A8;">Icallback</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"unmap_cb"</span><span style="color: #0000FF;">),</span>
end function
<span style="color: #008000;">"ACTION"</span><span style="color: #0000FF;">,</span> <span style="color: #7060A8;">Icallback</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"redraw_cb"</span><span style="color: #0000FF;">)})</span>
<span style="color: #000000;">dlg</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupDialog</span><span style="color: #0000FF;">(</span><span style="color: #000000;">canvas</span><span style="color: #0000FF;">,</span><span style="color: #008000;">`TITLE="%s"`</span><span style="color: #0000FF;">,</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">title</span><span style="color: #0000FF;">})</span>
function unmap_cb(Ihandle /*ih*/)
<span style="color: #004080;">Ihandle</span> <span style="color: #000000;">hTimer</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupTimer</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">Icallback</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"timer_cb"</span><span style="color: #0000FF;">),</span> <span style="color: #000000;">10</span><span style="color: #0000FF;">)</span>
cdKillCanvas(cddbuffer)
<span style="color: #7060A8;">IupShow</span><span style="color: #0000FF;">(</span><span style="color: #000000;">dlg</span><span style="color: #0000FF;">)</span>
cdKillCanvas(cdcanvas)
<span style="color: #7060A8;">IupSetAttribute</span><span style="color: #0000FF;">(</span><span style="color: #000000;">canvas</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"RASTERSIZE"</span><span style="color: #0000FF;">,</span> <span style="color: #004600;">NULL</span><span style="color: #0000FF;">)</span>
return IUP_DEFAULT
end function
<span style="color: #008080;">if</span> <span style="color: #7060A8;">platform</span><span style="color: #0000FF;">()!=</span><span style="color: #004600;">JS</span> <span style="color: #008080;">then</span>
<span style="color: #7060A8;">IupMainLoop</span><span style="color: #0000FF;">()</span>
function timer_cb(Ihandle /*ih*/)
<span style="color: #7060A8;">IupClose</span><span style="color: #0000FF;">()</span>
IupRedraw(dlg)
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
return IUP_DEFAULT
<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
end function
 
<span style="color: #000000;">main</span><span style="color: #0000FF;">()</span>
procedure main()
<!--</lang>-->
IupOpen()
canvas = IupCanvas(NULL)
IupSetAttribute(canvas, "RASTERSIZE", "600x400")
IupSetCallback(canvas, "MAP_CB", Icallback("map_cb"))
IupSetCallback(canvas, "UNMAP_CB", Icallback("unmap_cb"))
dlg = IupDialog(canvas)
IupSetAttribute(dlg, "TITLE", "Raster bars")
IupSetCallback(canvas, "ACTION", Icallback("redraw_cb"))
Ihandle hTimer = IupTimer(Icallback("timer_cb"), 10)
IupMap(dlg)
IupSetAttribute(canvas, "RASTERSIZE", NULL)
IupShowXY(dlg,IUP_CENTER,IUP_CENTER)
IupMainLoop()
IupClose()
end procedure
main()</lang>
 
=={{header|Raku}}==
Petelomax
7,796

edits

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