mirror of
https://github.com/moparisthebest/Simba
synced 2024-12-24 00:08:52 -05:00
47bd23951b
git-svn-id: http://www.villavu.com/repositories/merlijn/mufasa@91 3f818213-9676-44b0-a9b4-5e4c4e03d09d
206 lines
5.2 KiB
ObjectPascal
206 lines
5.2 KiB
ObjectPascal
unit colourpicker;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, LCLIntf,LCLType,InterfaceBase,Forms,Controls,ExtCtrls,
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Graphics,
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Window
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{$IFNDEF PICKER_CLIENT}
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{$IFDEF LINUX}
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,x
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{$ENDIF}
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{$ENDIF}
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;
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type
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TPickEvent = procedure (Sender: TObject; Color, X, Y: Integer);
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TMColorPicker = class(TObject)
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constructor Create(aWindow: TMWindow);
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destructor Destroy; override;
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procedure Pick(Out C, X, Y: Integer);
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procedure ImageMouseMove(Sender: TObject; Shift: TShiftState; X, Y: Integer );
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procedure TimorTimer(Sender: TObject);
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Procedure ColorPickDown(Sender: TObject; Button: TMouseButton;Shift: TShiftState; X, Y: Integer);
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public
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// Will give us CopyClientToBitmap
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Window: TMWindow;
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ColourHistory: TList; // for colour history
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Form : TForm;
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Image: TImage;
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Timor : TTimer;
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Bitmap : Graphics.TBitmap;
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Note : Graphics.TBitmap;
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Brush : TBrush;
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Text : string;
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FPickEvent : TPickEvent;
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oldx, oldy, Color, colorx, colory: Integer;
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TheChangedEvent,TheChangingEvent : TNotifyEvent;
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NoteHandle, BitmapHandle, ImageHandle : HDC;
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public
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property OnPick: TPickEvent read FPickEvent write FPickEvent;
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end;
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implementation
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constructor TMColorPicker.Create(aWindow: TMWindow);
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begin
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Self.Window := aWindow;
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end;
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destructor TMColorPicker.Destroy;
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begin
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end;
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procedure TMColorPicker.Pick(Out C, X, Y: Integer);
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var
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w, h: integer;
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bmp: TBitmap;
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{$IFNDEF PICKER_CLIENT}
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{$IFDEF LINUX}
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OldWindow: TWindow;
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{$ENDIF}
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{$ENDIF}
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begin
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Form := TForm.Create(Application.MainForm);
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{$IFNDEF PICKER_CLIENT}
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{$IFDEF LINUX}
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OldWindow := Window.CurWindow;
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Window.SetTarget(Window.DesktopWindow);
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{$ENDIF}
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{$ENDIF}
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Window.GetDimensions(w, h);
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Form.Width := w;
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Form.Height := h;
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Form.Top := 0;
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Form.left := 0;
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Form.WindowState := wsmaximized;
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Form.BorderStyle:= bsNone;
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Image := TImage.Create(Form);
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Image.Parent := Form;
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Image.left := 0;
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image.Width := 0;
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Image.width := Form.Width - 1;
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Image.Height := Form.Height - 1;
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Image.Cursor:= crCross;
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Image.OnMouseDown:= @ColorPickDown;
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Image.OnMouseMove:=@ImageMouseMove;
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Image.Canvas.Brush.Color := 14811135;
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Bitmap := Graphics.TBitmap.create;
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Bitmap.width := Form.Width;
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Bitmap.Height := Form.Height;
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Note := Graphics.TBitmap.create;
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Note.Canvas.Brush.Color := 14811135;
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Note.Width := 148;
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Note.Height := 33;
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Note.Canvas.Rectangle(0, 0, 147, 33);
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Note.Canvas.Rectangle(89, 3, 115, 29);
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Note.Canvas.Pen.Style:= psClear;
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bmp := Window.CopyClientToBitmap(0, 0, w, h);
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BitBlt(Image.Canvas.Handle, 0,0,w,h, bmp.Canvas.Handle,0,0,SRCCOPY);
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BitBlt(Bitmap.Canvas.Handle, 0,0,w,h, bmp.Canvas.Handle,0,0,SRCCOPY);
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bmp.Free;
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ImageHandle:= Image.Canvas.Handle;
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BitmapHandle:= Bitmap.Canvas.Handle;
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NoteHandle:= Note.Canvas.Handle;
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TheChangedEvent := Image.Canvas.OnChange;
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TheChangingEvent := Image.Canvas.OnChanging;
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Brush := Image.Canvas.Brush;
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Timor := TTimer.Create(Form);
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Timor.OnTimer:= @TimorTimer;
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Timor.Interval:= 50;
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Timor.Enabled:= False;
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Form.ShowModal;
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// add x to history here.
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c := Color;
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x := Colorx;
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y := Colory;
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{$IFNDEF PICKER_CLIENT}
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{$IFDEF LINUX}
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Window.SetTarget(OldWindow);
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{$ENDIF}
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{$ENDIF}
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Note.Free;
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Bitmap.Free;
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Timor.Free;
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Image.Free;
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Form.Free;
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end;
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procedure TMColorPicker.ImageMouseMove(Sender: TObject; Shift: TShiftState; X,
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Y: Integer);
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begin
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Timor.Enabled:= True;
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end;
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procedure TMColorPicker.TimorTimer(Sender: TObject);
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var
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TempPoint : TPoint;
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begin
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// GetCursorPos(TempPoint);
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TempPoint := Mouse.CursorPos;
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{ If a form cannot be fully set to 0,0 }
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TempPoint.X := TempPoint.X - Form.Left;
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TempPoint.Y := TempPoint.Y - Form.Top;
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BitBlt(ImageHandle, oldx + 5, oldy + 5,147,33,BitmapHandle,oldx + 5,oldy + 5,SRCCOPY);
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Color := WidgetSet.DCGetPixel(ImageHandle, TempPoint.X, TempPoint.Y);
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Rectangle(NoteHandle,1,1,85,32);
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// Text:='Pos: ' + inttostr(TempPoint.x - Client.Rect.Left) + ',' + inttostr(TempPoint.y - Client.Rect.Bottom);
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Text:='Pos: ' + inttostr(TempPoint.x) + ',' + inttostr(TempPoint.y);
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ExtTextOut(NoteHandle, 5, 3,0,nil,pchar(text),length(text),nil);
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Text := 'Color: ' + inttostr(Color);
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ExtTextOut(NoteHandle, 5, 15,0,nil,pchar(text),length(text),nil);
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BitBlt( ImageHandle, TempPoint.x + 5, TempPoint.y + 5,147,33,NoteHandle,0,0,SRCCOPY);
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Brush.Color := Color;
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Image.Canvas.Rectangle(TempPoint.x + 123, TempPoint.y + 8, tempPoint.x + 149, temppoint.y + 34);
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// Rectangle(ImageHandle,TempPoint.x + 123, TempPoint.y + 8, tempPoint.x + 149, temppoint.y + 34);
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TheChangingEvent(Sender);
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StretchBlt(ImageHandle,TempPoint.x + 95, TempPoint.y + 9, 24,24, BitmapHandle, TempPoint.x - 1, TempPoint.y-1,3,3, SRCCOPY);
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TheChangedEvent(Sender);
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Oldx := TempPoint.x;
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Oldy := TempPoint.y;
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Timor.Enabled:= False;
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end;
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procedure TMColorPicker.ColorPickDown(Sender: TObject; Button: TMouseButton;
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Shift: TShiftState; X, Y: Integer);
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begin;
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Color:= WidgetSet.DCGetPixel(Image.Canvas.Handle,x,y);
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Self.Colorx := x;
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Self.Colory := y;
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Timor.enabled := false;
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if OnPick <> nil then
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Onpick(Sender,Color,x,y);
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Form.Close;
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end;
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end.
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