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Simba/Units/MMLAddon/colourpicker.pas
Wizzup? 46aec15209 Mufasa v2 -> Simba!
Did some documentation work, added some comments to some files.
Also added another check in Window.pas to help further debugging.



git-svn-id: http://www.villavu.com/repositories/merlijn/mufasa@231 3f818213-9676-44b0-a9b4-5e4c4e03d09d
2009-11-14 01:22:06 +00:00

282 lines
7.9 KiB
ObjectPascal

{
This file is part of the Mufasa Macro Library (MML)
Copyright (c) 2009 by Raymond van Venetië and Merlijn Wajer
MML is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
MML is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with MML. If not, see <http://www.gnu.org/licenses/>.
See the file COPYING, included in this distribution,
for details about the copyright.
Colourpicker for the Mufasa Macro Library
}
unit colourpicker;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, LCLIntf,LCLType,InterfaceBase,Forms,Controls,ExtCtrls,
Graphics,
Window,MufasaTypes
{$IFNDEF PICKER_CLIENT}
{$IFDEF LINUX}
,x
{$ENDIF}
{$ENDIF}
;
type
TPickEvent = procedure (Sender: TObject; Color, X, Y: Integer);
TMColorPicker = class(TObject)
constructor Create(aWindow: TMWindow);
destructor Destroy; override;
procedure Pick(Out 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;
{ Form components }
Form : TForm;
Image: TImage;
Timor : TTimer;
Bitmap : Graphics.TBitmap;
Note : Graphics.TBitmap;
Brush : TBrush;
Text : string;
FPickEvent : TPickEvent;
{ Some temp vars }
oldx, oldy, Color, colorx, colory: Integer;
targetleft,targettop : integer;
TheChangedEvent,TheChangingEvent : TNotifyEvent;
{ Handles }
NoteHandle, BitmapHandle, ImageHandle : HDC;
public
property OnPick: TPickEvent read FPickEvent write FPickEvent;
end;
implementation
constructor TMColorPicker.Create(aWindow: TMWindow);
begin
inherited Create;
Self.Window := aWindow;
end;
destructor TMColorPicker.Destroy;
begin
inherited Destroy;
end;
procedure TMColorPicker.Pick(Out C, X, Y: Integer);
var
w, h: integer;
bmp: TBitmap;
box : TBox;
{$IFNDEF PICKER_CLIENT}
{$IFDEF LINUX}
OldWindow: TWindow;
{$ELSE}
OldWindow: HWND;
{$ENDIF}
{$ENDIF}
begin
{ We create a Form, with the client image on it. }
Form := TForm.Create(Application.MainForm);
if Window.GetDimensionBox( box) then
begin;
targetleft := box.x1;
targettop := box.y1;
end else
begin;
targetleft := 0;
targettop := 0;
end;
{$IFNDEF PICKER_CLIENT}
{$IFDEF LINUX}
OldWindow := Window.CurWindow;
{$ELSE}
OldWindow := Window.TargetHandle;
{$ENDIF}
Window.SetDesktop;
{$ENDIF}
w := 0;
h := 0;
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;
Image.Height := Form.Height;
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 - 1, h - 1);
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;
{$IFNDEF PICKER_CLIENT}
{$IFDEF LINUX}
Window.SetTarget(OldWindow);
{$ELSE}
Window.SetTarget(OldWindow, w_Window);
{$ENDIF}
{$ENDIF}
Note.Free;
Bitmap.Free;
Timor.Free;
Image.Free;
Form.Free;
end;
procedure TMColorPicker.ImageMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
{$ifdef mswindows}
var
TempPoint : TPoint;
begin
TempPoint := Point(x,y);
{ 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 - targetleft) + ',' + inttostr(TempPoint.y - targettop);
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;
end;
{$else}
begin
Timor.Enabled:= True;
end;
{$endif}
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 - targetleft) + ',' + inttostr(TempPoint.y - targettop);
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 - targetleft;
Self.Colory := y - targettop;
Timor.enabled := false;
if OnPick <> nil then
Onpick(Sender,Color,Colorx,Colory);
Form.Close;
end;
end.