pixler/pixler.bas

type statetype
    tool as long
    fcolor as long
    bcolor as long
end type

type layertype
    ihandle as long
    blendmode as long
    filter as long
    kind as long
end type

redim shared layers(1) as layertype
dim shared state as statetype



dim shared mouseclicked as integer
dim shared mousedown as integer
dim shared rmouseclicked as integer
dim shared rmousedown as integer
$resize:on
screen _newimage(750,480,32)
_delay 0.1
temp&=_resize
redim shared pal(0) as _unsigned long
dim as integer ch1,ch2,ch3,bt
loadpalette "endesga16",pal()
layers(0).ihandle=_newimage(640,350,32)
layers(1).ihandle=_newimage(640,350,32)
_dest layers(0).ihandle
line (0,0)-(_width-1,_height-1),_rgb32(255),bf
_dest 0

do
    line (0,0)-(_width-1,_height-1),backgroundcolor1,bf
    IF CheckResize(_SOURCE) = -1 then rem 'whatever, maybe some day somthing needs changing if the window is resized'
    while _mouseinput:wend
    mouseclicked=0
    rmouseclicked=0
    if mousedown=-1 and _mousebutton(1)=0 then mouseclicked=-1
    if rmousedown=-1 and _mousebutton(2)=0 then rmouseclicked=-1
    mousedown=_mousebutton(1)
    rmousedown=_mousebutton(2)
    toolbox
    colorpicker
    canvas
    locate 10,10: print state.tool
    locate 11,10: color state.fcolor: print state.fcolor
    locate 12,10: color state.bcolor: print state.bcolor
    _limit 30
    _display
loop

sub toolbox
    dim x,y
   if imagebutton(0,0,32,32,icon(0)) then state.tool=1
   if imagebutton(32,0,32,32,icon(1)) then state.tool=2
end sub

sub colorpicker
    dim img as long
    img=_newimage(16,16,32)
    for i=0 to ubound(pal)
        _dest img
        cls ,pal(i)
        line (0,0)-(_width-1,height-1),pal(i),bf
        _dest 0
        select case imagebutton(i*16,_height-17,16,16,img)
            case -1
                state.fcolor=pal(i)
            case -2
                state.bcolor=pal(i)
        end select 
    next i
    _freeimage img
end sub

sub canvas
' 1. Define the box boundaries
    dim boxX1 as integer: boxX1 = 70
    dim boxWidth as integer: boxWidth = _width - 1 - boxX1
    dim boxHeight as integer: boxHeight = _height - 20

    ' 2. Draw the background box
    line (boxX1, 0)-(_width - 1, boxHeight), _rgb32(64), bf

    ' 3. Loop through layers and calculate centering for each
    for i = 0 to ubound(layers)
        dim imgW as integer: imgW = _width(layers(i).ihandle)
        
        ' Calculate X to center the image relative to the box
        ' We take the box start (70) and add half of the remaining whitespace
        dim drawX as integer
        drawX = boxX1 + (boxWidth - imgW) / 2
        
        ' If you also want it centered vertically:
        dim imgH as integer: imgH = _height(layers(i).ihandle)
        dim drawY as integer
        drawY = (boxHeight - imgH) / 2

        _putimage (drawX, drawY), layers(i).ihandle
    next
end sub

function icon(index as long)
    static init as integer
    static icons() as long
    if not init then
        dim icons(5) as long
        icons(0)=_newimage(32,32,32)
        _dest icons(0)
        line (5,27)-(27,5)
        icons(1)=_newimage(32,32,32)
        _dest icons(1)
        circle (15,15),13
        icons(2)=_newimage(32,32,32)
        _dest icons(2)
        
        _dest 0
    init = -1
    end if
    if (index>=lbound(icons)) and (index<=ubound(icons)) then
        icon=icons(index)
    end if
end function

'$include: 'include/ui.bm'
'$include: 'include/imgout.bm'
'$include: 'include/palette.bm'

function adduiicon(imagehandle as long)
    dim unknown as long
    adduiicon=__internaluiicon(unknown,imagehandle,1)
end function

function adduiiconfromfile(filename as string)
    dim unknown as long
    adduiiconfromfile=__internaluiicon(unknown,_loadimage(filename),1)
end function

function uiicon(index)
    dim unknown as long
    uiicon=internaluiicon(index,unknown,2)
end function

function __internaluiicon&(index as long,imagehandle as long,mode as integer)
    static init as integer
    static icons() as long
    if not init or mode=3 then
        if mode<3 then 
            redim icons(3) as long
        else
            _freeimage icons(0)
            _freeimage icons(1)
            _freeimage icons(2)
            _freeimage icons(3)
        end if
        icons(0)=_newimage(23,23,32) 'Up arrow'
        _dest icons(0)
        color textcolor
        
        icons(1)=_newimage(23,23,32) 'Down arrow'
        _dest icons(1)
        color textcolor
        
        icons(2)=_newimage(23,23,32) 'Left arrow'
        _dest icons(2)
        color textcolor
        
        icons(3)=_newimage(23,23,32) 'Right arrow'
        _dest icons(3)               
        color textcolor
        
        _dest 0
        init=-1
    end if
    
    select case mode
        case 1
            redim _preserve icons(ubound(icons)+1)
            icons(ubound(icons))=imagehandle
            __internaluiicon=ubound(icons)
        case 2
            __internaluiicon=icons(index)
    end select
end function


FUNCTION CheckResize (CurrentScreen AS _UNSIGNED LONG) 'pulled straight out of the wiki'
    DIM TempScreen AS _UNSIGNED LONG
    CheckResize = 0
    IF _RESIZE THEN
        TempScreen = _COPYIMAGE(CurrentScreen, 32)
        SCREEN TempScreen
        _FREEIMAGE CurrentScreen
        CurrentScreen = _NEWIMAGE(_RESIZEWIDTH, _RESIZEHEIGHT, 32)
        SCREEN CurrentScreen
        _PUTIMAGE (0, 0), TempScreen, CurrentScreen
        _DISPLAY
        _FREEIMAGE TempScreen
        CheckResize = -1
    END IF

END FUNCTION