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/Picture/Picture MinMax/mmx_demo
Function:
Required plugins for this example:
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /Picture/Picture MinMax/mmx_demo
This example is the version from Fri, 17th Nov 2016.
Project "mmx_demo.rbp"
Class Fenster1 Inherits Window
Control PushButton1 Inherits PushButton
ControlInstance PushButton1 Inherits PushButton
EventHandler Sub Action() quit End EventHandler
End Control
Control scr Inherits Canvas
ControlInstance scr Inherits Canvas
EventHandler Sub Paint(g As Graphics, areas() As REALbasic.Rect) show_image End EventHandler
End Control
Control PushButton2 Inherits PushButton
ControlInstance PushButton2 Inherits PushButton
EventHandler Sub Action() dim t as integer t=ticks find_minimax(intern,result) t=ticks-t res_list.deleteAllRows res_list.AddRow "ticks "+str(t) addpoint "red max",result(0),result(1) addpoint "grn max",result(2),result(3) addpoint "blu max",result(4),result(5) addpoint "sum max",result(6),result(7) addpoint "red min",result(8),result(9) addpoint "grn min",result(10),result(11) addpoint "blu min",result(12),result(13) addpoint "sum min",result(14),result(15) min_btn.enabled=true max_btn.enabled=true me.Enabled=false End EventHandler
End Control
Control res_list Inherits Listbox
ControlInstance res_list Inherits Listbox
End Control
Control min_btn Inherits PushButton
ControlInstance min_btn Inherits PushButton
EventHandler Sub Action() intern.graphics.drawpicture test,0,0 draw_mark intern, result(0),result(1),red draw_mark intern, result(2),result(3),grn draw_mark intern, result(4),result(5),blu draw_mark intern, result(6),result(7),blk End EventHandler
End Control
Control max_btn Inherits PushButton
ControlInstance max_btn Inherits PushButton
EventHandler Sub Action() intern.graphics.drawpicture test,0,0 draw_mark intern, result(8),result(9),red draw_mark intern, result(10),result(11),grn draw_mark intern, result(12),result(13),blu draw_mark intern, result(14),result(15),blk End EventHandler
End Control
EventHandler Sub Open() intern = New Picture(256,256,32) intern.graphics.drawpicture test,0,0 red=rgb(255,0,0) grn=rgb(0,255,0) blu=rgb(0,0,255) blk=rgb(0,0,0) wht=rgb(255,255,255) End EventHandler
Sub addpoint(s as string, x as integer, y as integer) dim c as color c=Intern.RGBSurface.Pixel(x,y) res_list.addrow s+" x "+str(x) res_list.cell(res_list.LastIndex,1)=str(c.red) res_list.cell(res_list.LastIndex,2)=str(c.green) res_list.cell(res_list.LastIndex,3)=str(c.blue) res_list.addrow s+" y "+str(y) End Sub
Sub draw_mark(pic as picture, x as integer, y as integer, col as color) pic.graphics.penwidth=1 pic.graphics.penheight=1 pic.graphics.forecolor=blk pic.graphics.drawOval x-5,y-5,11,11 pic.graphics.forecolor=wht pic.graphics.drawOval x-4,y-4,9,9 pic.graphics.forecolor=col pic.graphics.drawline x-5,y,x-1,y pic.graphics.drawline x+1,y,x+5,y pic.graphics.drawline x,y-5,x,y-1 pic.graphics.drawline x,y+5,x,y+1 show_image End Sub
Sub find_minimax(pic as picture, byref res() as integer) dim x,y,rr,gg,bb,ss as integer dim red_max_x,red_max_y,red_min_x,red_min_y, red_min, red_max as integer dim grn_max_x,grn_max_y,grn_min_x,grn_min_y, grn_min, grn_max as integer dim blu_max_x,blu_max_y,blu_min_x,blu_min_y,blu_max, blu_min as integer dim sum_max_x,sum_max_y,sum_min_x,sum_min_y,sum_max, sum_min as integer dim sf as rgbSurface dim col as color sf=pic.rgBSurface red_max=0 grn_max=0 blu_max=0 sum_max=0 red_min=255 grn_min=255 blu_min=255 sum_min=255 for y=0 to pic.width-1 for x=0 to pic.width-1 col=sf.pixel(x,y) rr=col.red gg=col.green bb=col.blue ss=rr+gg+bb if rr>red_max then red_max=rr red_max_x=x red_max_y=y end if if rr<red_min then red_min=rr red_min_x=x red_min_y=y end if if gg>grn_max then grn_max=gg grn_max_x=x grn_max_y=y end if if gg<grn_min then grn_min=gg grn_min_x=x grn_min_y=y end if if bb>blu_max then blu_max=bb blu_max_x=x blu_max_y=y end if if bb<red_min then blu_min=bb blu_min_x=x blu_min_y=y end if if ss>sum_max then sum_max=ss sum_max_x=x sum_max_y=y end if if ss<sum_min then sum_min=ss sum_min_x=x sum_min_y=y end if next next res(0)=red_max_x res(1)=red_max_y res(2)=grn_max_x res(3)=grn_max_y res(4)=blu_max_x res(5)=blu_max_y res(6)=sum_max_x res(7)=sum_max_y res(8)=red_min_x res(9)=red_min_y res(10)=grn_min_x res(11)=grn_min_y res(12)=blu_min_x res(13)=blu_min_y res(14)=sum_min_x res(15)=sum_min_y End Sub
Sub show_image() scr.graphics.drawpicture intern,0,0 End Sub
Property Protected blk As color
Property Protected blu As color
Property Protected grn As color
Property Protected intern As picture
Property Protected red As color
Property Protected result(15) As integer
Property Protected wht As color
End Class
MenuBar Menü
MenuItem UntitledMenu3 = ""
MenuItem UntitledMenu2 = "Ablage"
MenuItem FileQuit = "Beenden"
MenuItem UntitledMenu0 = "Bearbeiten"
MenuItem EditUndo = "Undo"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "Ausschneiden"
MenuItem EditCopy = "Kopieren"
MenuItem EditPaste = "Einfügen"
MenuItem EditClear = "Löschen"
End MenuBar
Class App Inherits Application
End Class
ExternalFile TEST
End ExternalFile
End Project

See also:

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The items on this page are in the following plugins: MBS Picture Plugin.




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MBS Xojo Chart Plugins