From 301e4370ada30da0aa79dc41106d985a5d5ed86a Mon Sep 17 00:00:00 2001
From: Wizzup? <Wizzup?@3f818213-9676-44b0-a9b4-5e4c4e03d09d>
Date: Wed, 23 Sep 2009 00:31:14 +0000
Subject: [PATCH] Forgot to upload it.

git-svn-id: http://www.villavu.com/repositories/merlijn/mufasa@83 3f818213-9676-44b0-a9b4-5e4c4e03d09d
---
 Units/MMLAddon/colourpicker.pas | 179 ++++++++++++++++++++++++++++++++
 1 file changed, 179 insertions(+)
 create mode 100644 Units/MMLAddon/colourpicker.pas

diff --git a/Units/MMLAddon/colourpicker.pas b/Units/MMLAddon/colourpicker.pas
new file mode 100644
index 0000000..8abb26c
--- /dev/null
+++ b/Units/MMLAddon/colourpicker.pas
@@ -0,0 +1,179 @@
+unit colourpicker;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, LCLIntf,LCLType,InterfaceBase,Forms,Controls,ExtCtrls,
+  Graphics,
+  Window
+  ;
+
+type
+  TPickEvent = procedure (Sender: TObject; Color, X, Y: Integer);
+
+  TMColorPicker = class(TObject)
+        constructor Create(aWindow: TMWindow);
+        destructor Destroy; override;
+
+        procedure Pick(Var C, X, Y: Integer);
+
+        procedure ImageMouseMove(Sender: TObject; Shift: TShiftState; X, Y: Integer );
+       procedure TimorTimer(Sender: TObject);
+       Procedure ColorPickDown(Sender: TObject; Button: TMouseButton;Shift: TShiftState; X, Y: Integer);
+  public
+        // Will give us CopyClientToBitmap
+        Window: TMWindow;
+        ColourHistory: TList; // for colour history
+
+        Form : TForm;
+        Image: TImage;
+        Timor : TTimer;
+        Bitmap : Graphics.TBitmap;
+        Note : Graphics.TBitmap;
+        Brush : TBrush;
+        Text : string;
+        FPickEvent : TPickEvent;
+
+        oldx, oldy, Color, colorx, colory: Integer;
+
+        TheChangedEvent,TheChangingEvent : TNotifyEvent;
+        NoteHandle, BitmapHandle, ImageHandle : HDC;
+  public
+    property OnPick: TPickEvent read FPickEvent write FPickEvent;
+  end;
+
+
+implementation
+
+constructor TMColorPicker.Create(aWindow: TMWindow);
+begin
+  Self.Window := aWindow;
+
+end;
+
+destructor TMColorPicker.Destroy;
+begin
+
+end;
+
+procedure TMColorPicker.Pick(Var C, X, Y: Integer);
+var
+   w, h: integer;
+   bmp: TBitmap;
+begin
+  Form := TForm.Create(Application.MainForm);
+  Window.GetDimensions(w, h);
+
+  Form.Width := w;
+  Form.Height := h;
+  Form.Top := 0;
+  Form.left := 0;
+  Form.WindowState := wsmaximized;
+  Form.BorderStyle:= bsNone;
+
+  Image := TImage.Create(Form);
+  Image.Parent := Form;
+  Image.left := 0;
+  image.Width := 0;
+  Image.width := Form.Width - 1;
+  Image.Height := Form.Height - 1;
+  Image.Cursor:= crCross;
+  Image.OnMouseDown:= @ColorPickDown;
+  Image.OnMouseMove:=@ImageMouseMove;
+  Image.Canvas.Brush.Color := 14811135;
+  Bitmap := Graphics.TBitmap.create;
+  Bitmap.width := Form.Width;
+  Bitmap.Height := Form.Height;
+  Note := Graphics.TBitmap.create;
+  Note.Canvas.Brush.Color := 14811135;
+  Note.Width := 148;
+  Note.Height := 33;
+  Note.Canvas.Rectangle(0, 0, 147, 33);
+  Note.Canvas.Rectangle(89, 3, 115, 29);
+  Note.Canvas.Pen.Style:= psClear;
+
+  bmp := Window.CopyClientToBitmap(0, 0, w, h);
+  BitBlt(Image.Canvas.Handle, 0,0,w,h, bmp.Canvas.Handle,0,0,SRCCOPY);
+  BitBlt(Bitmap.Canvas.Handle, 0,0,w,h, bmp.Canvas.Handle,0,0,SRCCOPY);
+  bmp.Free;
+
+  ImageHandle:= Image.Canvas.Handle;
+  BitmapHandle:= Bitmap.Canvas.Handle;
+  NoteHandle:= Note.Canvas.Handle;
+  TheChangedEvent := Image.Canvas.OnChange;
+  TheChangingEvent := Image.Canvas.OnChanging;
+
+  Brush := Image.Canvas.Brush;
+  Timor := TTimer.Create(Form);
+
+  Timor.OnTimer:= @TimorTimer;
+  Timor.Interval:= 50;
+  Timor.Enabled:= False;
+
+  Form.ShowModal;
+
+  // add x to history here.
+  c := Color;
+  x := Colorx;
+  y := Colory;
+
+  Note.Free;
+  Bitmap.Free;
+  Timor.Free;
+  Image.Free;
+  Form.Free;
+end;
+
+procedure TMColorPicker.ImageMouseMove(Sender: TObject; Shift: TShiftState; X,
+  Y: Integer);
+begin
+  Timor.Enabled:= True;
+end;
+
+procedure TMColorPicker.TimorTimer(Sender: TObject);
+var
+  TempPoint : TPoint;
+begin
+//  GetCursorPos(TempPoint);
+  TempPoint := Mouse.CursorPos;
+
+  { If a form cannot be fully set to 0,0 }
+  TempPoint.X := TempPoint.X - Form.Left;
+  TempPoint.Y := TempPoint.Y - Form.Top;
+
+  BitBlt(ImageHandle, oldx + 5, oldy + 5,147,33,BitmapHandle,oldx + 5,oldy + 5,SRCCOPY);
+  Color := WidgetSet.DCGetPixel(ImageHandle, TempPoint.X, TempPoint.Y);
+  Rectangle(NoteHandle,1,1,85,32);
+//  Text:='Pos: ' + inttostr(TempPoint.x - Client.Rect.Left) + ','  + inttostr(TempPoint.y - Client.Rect.Bottom);
+  Text:='Pos: ' + inttostr(TempPoint.x) + ','  + inttostr(TempPoint.y);
+  ExtTextOut(NoteHandle, 5, 3,0,nil,pchar(text),length(text),nil);
+  Text := 'Color: ' +  inttostr(Color);
+  ExtTextOut(NoteHandle, 5, 15,0,nil,pchar(text),length(text),nil);
+  BitBlt( ImageHandle, TempPoint.x + 5, TempPoint.y + 5,147,33,NoteHandle,0,0,SRCCOPY);
+  Brush.Color := Color;
+  Image.Canvas.Rectangle(TempPoint.x + 123, TempPoint.y + 8, tempPoint.x + 149, temppoint.y + 34);
+//  Rectangle(ImageHandle,TempPoint.x + 123, TempPoint.y + 8, tempPoint.x + 149, temppoint.y + 34);
+  TheChangingEvent(Sender);
+  StretchBlt(ImageHandle,TempPoint.x + 95, TempPoint.y + 9, 24,24, BitmapHandle, TempPoint.x - 1, TempPoint.y-1,3,3, SRCCOPY);
+  TheChangedEvent(Sender);
+  Oldx := TempPoint.x;
+  Oldy := TempPoint.y;
+  Timor.Enabled:= False;
+end;
+
+procedure TMColorPicker.ColorPickDown(Sender: TObject; Button: TMouseButton;
+      Shift: TShiftState; X, Y: Integer);
+begin;
+  Color:=  WidgetSet.DCGetPixel(Image.Canvas.Handle,x,y);
+  Self.Colorx := x;
+  Self.Colory := y;
+  Timor.enabled := false;
+  if OnPick <> nil then
+    Onpick(Sender,Color,x,y);
+  Form.Close;
+end;
+
+end.
+