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{
Copyright (C) 2009-2015 by Graeme Geldenhuys
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This program 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 Library General Public License
for more details.
You should have received a copy of the GNU Library General Public License
along with this library; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Abstract:
This unit adds a new project type to the Lazarus IDE.
New Project Type:
fpGUI Application - A pure fpGUI Toolkit based application.
fpGUI+Agg2D Application - An fpGUI application with a TAgg2D instance.
}
unit fpGUILazIDEIntf;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, LazIDEIntf, ProjectIntf, Controls, Forms;
type
TfpGUIApplicationDescriptor = class(TProjectDescriptor)
public
constructor Create; override;
function GetLocalizedName: string; override;
function GetLocalizedDescription: string; override;
function InitProject(AProject: TLazProject): TModalResult; override;
end;
TfpGUIAgg2dApplicationDescriptor = class(TProjectDescriptor)
public
constructor Create; override;
function GetLocalizedName: string; override;
function GetLocalizedDescription: string; override;
function InitProject(AProject: TLazProject): TModalResult; override;
end;
var
ProjectDescriptorfpGUIApplication: TfpGUIApplicationDescriptor;
ProjectDescriptorfpGUIAgg2dApplication: TfpGUIAgg2dApplicationDescriptor;
procedure Register;
implementation
const
le: string = LineEnding;
procedure Register;
begin
ProjectDescriptorfpGUIApplication := TfpGUIApplicationDescriptor.Create;
RegisterProjectDescriptor(ProjectDescriptorfpGUIApplication);
ProjectDescriptorfpGUIAgg2dApplication := TfpGUIAgg2dApplicationDescriptor.Create;
RegisterProjectDescriptor(ProjectDescriptorfpGUIAgg2dApplication);
end;
{ TfpGUIApplicationDescriptor }
constructor TfpGUIApplicationDescriptor.Create;
begin
inherited Create;
Name := 'fpGUI Application';
end;
function TfpGUIApplicationDescriptor.GetLocalizedName: string;
begin
Result := 'fpGUI Toolkit Application';
end;
function TfpGUIApplicationDescriptor.GetLocalizedDescription: string;
begin
Result := 'fpGUI Toolkit Application'+le+le
+'An application based purely on the fpGUI Toolkit.';
end;
function TfpGUIApplicationDescriptor.InitProject(AProject: TLazProject): TModalResult;
var
NewSource: String;
MainFile: TLazProjectFile;
begin
inherited InitProject(AProject);
MainFile := AProject.CreateProjectFile('project1.lpr');
MainFile.IsPartOfProject := true;
AProject.AddFile(MainFile, false);
AProject.MainFileID := 0;
// create program source
NewSource := 'program Project1;'+le
+le
+'{$mode objfpc}{$H+}'+le
+le
+'uses'+le
+' {$IFDEF UNIX}{$IFDEF UseCThreads}'+le
+' cthreads,'+le
+' {$ENDIF}{$ENDIF}'+le
+' Classes, fpg_base, fpg_main, fpg_form;'+le
+le
+'type'+le
+le
+' TMainForm = class(TfpgForm)'+le
+' private'+le
+' {@VFD_HEAD_BEGIN: MainForm}'+le
+' {@VFD_HEAD_END: MainForm}'+le
+' public'+le
+' procedure AfterCreate; override;'+le
+' end;'+le
+le
+'{@VFD_NEWFORM_DECL}'+le
+le
+le
+le
+'{@VFD_NEWFORM_IMPL}'+le
+le
+'procedure TMainForm.AfterCreate;'+le
+'begin'+le
+' {%region ''Auto-generated GUI code'' -fold}' + le
+' {@VFD_BODY_BEGIN: MainForm}'+le
+' Name := ''MainForm'';'+le
+' SetPosition(316, 186, 300, 250);'+le
+' WindowTitle := ''MainForm'';'+le
+le
+' {@VFD_BODY_END: MainForm}'+le
+' {%endregion}' + le
+'end;'+le
+le
+le
+'procedure MainProc;'+le
+'var'+le
+' frm: TMainForm;'+le
+'begin'+le
+' fpgApplication.Initialize;'+le
+' fpgApplication.CreateForm(TMainForm, frm);'+le
+' try'+le
+' frm.Show;'+le
+' fpgApplication.Run;'+le
+' finally'+le
+' frm.Free;'+le
+' end;'+le
+'end;'+le
+le
+'begin'+le
+' MainProc;'+le
+'end.'+le
+le;
AProject.MainFile.SetSourceText(NewSource);
AProject.AddPackageDependency('fpgui_toolkit');
// compiler options
AProject.LazCompilerOptions.UseLineInfoUnit := True;
Result := mrOK;
end;
{ TfpGUIAgg2dApplicationDescriptor }
constructor TfpGUIAgg2dApplicationDescriptor.Create;
begin
inherited Create;
Name := 'fpGUI+Agg2D Application';
end;
function TfpGUIAgg2dApplicationDescriptor.GetLocalizedName: string;
begin
Result := 'fpGUI+Agg2D Application';
end;
function TfpGUIAgg2dApplicationDescriptor.GetLocalizedDescription: string;
begin
Result := 'fpGUI+Agg2D Application'+le+le
+'An application based on the fpGUI Toolkit'+le
+'and uses Agg2D to render to an image buffer. Great '
+'for quick demos.';
end;
function TfpGUIAgg2dApplicationDescriptor.InitProject(AProject: TLazProject): TModalResult;
var
NewSource: String;
MainFile: TLazProjectFile;
begin
inherited InitProject(AProject);
MainFile := AProject.CreateProjectFile('project1.lpr');
MainFile.IsPartOfProject := true;
AProject.AddFile(MainFile, false);
AProject.MainFileID := 0;
// create program source
NewSource := 'program Project1;'+le
+le
+'uses'+le
+' {$IFDEF UNIX}{$IFDEF UseCThreads}'+le
+' cthreads,'+le
+' {$ENDIF}{$ENDIF}'+le
+' Classes, SysUtils,'+le
+' fpg_base, fpg_main, fpg_form, Agg2D;'+le
+le
+'type'+le
+''+le
+' TMainForm = class(TfpgForm)'+le
+' private'+le
+' {@VFD_HEAD_BEGIN: MainForm}'+le
+' {@VFD_HEAD_END: MainForm}'+le
+' FImg: TfpgImage;'+le
+' FAgg2D: TAgg2D;'+le
+' procedure InitComposedImage;'+le
+' procedure FormCreate(Sender: TObject);'+le
+' procedure DoAggPainting;'+le
+' procedure FormPaint(Sender: TObject);'+le
+' public'+le
+' destructor Destroy; override;'+le
+' procedure AfterCreate; override;'+le
+' end;'+le
+le
+'{@VFD_NEWFORM_DECL}'+le
+le
+le
+le
+'{@VFD_NEWFORM_IMPL}'+le
+''+le
+'procedure TMainForm.DoAggPainting;'+le
+'begin'+le
+' // **** DO YOUR AGG2D PAINTING HERE ****'+le
+le
+' // Paint composedimage white'+le
+' FAgg2D.ClearAll(255, 255, 255);'+le
+' // So some advanced painting to the ComposedImage'+le
+' FAgg2D.LineWidth(10);'+le
+' FAgg2D.LineColor($32, $cd, $32);'+le
+' FAgg2D.FillColor($ff, $d7, $00);'+le
+' FAgg2D.Star(100, 100, 30, 70, 55, 5);'+le
+'end;'+le
+le
+'procedure TMainForm.InitComposedImage;'+le
+'begin'+le
+' FImg := TfpgImage.Create;'+le
+' FImg.AllocateImage(32, Width, Height);'+le
+' FAgg2D.Attach(FImg);'+le
+'end;'+le
+le
+'procedure TMainForm.FormCreate(Sender: TObject);'+le
+'begin'+le
+' FAgg2D := TAgg2D.Create(self);'+le
+' InitComposedImage;'+le
+' DoAggPainting;'+le
+'end;'+le
+le
+'procedure TMainForm.FormPaint(Sender: TObject);'+le
+'begin'+le
+' // Finalise image internals, then paint it to the Window'+le
+' FImg.UpdateImage;'+le
+' Canvas.DrawImage(0, 0, FImg);'+le
+'end;'+le
+le
+'destructor TMainForm.Destroy;'+le
+'begin'+le
+' FAgg2D.Free;'+le
+' FImg.Free;'+le
+' inherited Destroy;'+le
+'end;'+le
+le
+'procedure TMainForm.AfterCreate;'+le
+'begin'+le
+' {%region ''Auto-generated GUI code''}'+le
+' {@VFD_BODY_BEGIN: MainForm}'+le
+' Name := ''MainForm'';'+le
+' SetPosition(316, 186, 501, 450);'+le
+' WindowTitle := ''TAgg2D.Attach() demo'';'+le
+' Hint := '''';'+le
+' WindowPosition := wpOneThirdDown;'+le
+' OnPaint := @FormPaint;'+le
+' OnCreate := @FormCreate;'+le
+' {@VFD_BODY_END: MainForm}'+le
+' {%endregion}'+le
+'end;'+le
+le
+le
+'procedure MainProc;'+le
+'var'+le
+' frm: TMainForm;'+le
+'begin'+le
+' fpgApplication.Initialize;'+le
+' fpgApplication.CreateForm(TMainForm, frm);'+le
+' try'+le
+' frm.Show;'+le
+' fpgApplication.Run;'+le
+' finally'+le
+' frm.Free;'+le
+' end;'+le
+'end;'+le
+le
+'begin'+le
+' MainProc;'+le
+'end.'+le;
AProject.MainFile.SetSourceText(NewSource);
AProject.AddPackageDependency('fpgui_toolkit');
// compiler options
AProject.LazCompilerOptions.UseLineInfoUnit := True;
Result := mrOK;
end;
end.
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