{"id":1361,"date":"2014-04-22T22:20:54","date_gmt":"2014-04-22T21:20:54","guid":{"rendered":"http:\/\/tulip-ui.azurewebsites.net\/?page_id=1361"},"modified":"2014-04-22T23:18:18","modified_gmt":"2014-04-22T22:18:18","slug":"tulip-ui-progressbars-pas","status":"publish","type":"page","link":"http:\/\/tulip-ui.azurewebsites.net\/?page_id=1361","title":{"rendered":"Tulip.UI.ProgressBars.pas"},"content":{"rendered":"<div style=\"background-color: #FFFFFF; width: 680px\">\n<p style=\"text-align: right;\"><a title=\"Source Files\" href=\"http:\/\/tulip-ui.azurewebsites.net\/?page_id=1091\">Source Files<\/a><\/p>\n<p><code><\/p>\n<pre>\r\n{******************************************************************************}\r\n{                                                                              }\r\n{                        Tulip - User Interface Library                        }\r\n{                                                                              }\r\n{             Copyright(c) 2012 Marcos Gomes. All rights Reserved.             }\r\n{                                                                              }\r\n{  --------------------------------------------------------------------------  }\r\n{                                                                              }\r\n{  This product is based on Asphyre Sphinx (c) 2000 - 2012  Yuriy Kotsarenko.  }\r\n{       All rights reserved. Official web site: http:\/\/www.afterwarp.net       }\r\n{                                                                              }\r\n{******************************************************************************}\r\n{                                                                              }\r\n{  Important Notice:                                                           }\r\n{                                                                              }\r\n{  If you modify\/use this code or one of its parts either in original or       }\r\n{  modified form, you must comply with Mozilla Public License Version 2.0,     }\r\n{  including section 3, \"Responsibilities\". Failure to do so will result in    }\r\n{  the license breach, which will be resolved in the court. Remember that      }\r\n{  violating author's rights either accidentally or intentionally is           }\r\n{  considered a serious crime in many countries. Thank you!                    }\r\n{                                                                              }\r\n{  !! Please *read* Mozilla Public License 2.0 document located at:            }\r\n{  http:\/\/www.mozilla.org\/MPL\/                                                 }\r\n{                                                                              }\r\n{  --------------------------------------------------------------------------  }\r\n{                                                                              }\r\n{  The contents of this file are subject to the Mozilla Public License         }\r\n{  Version 2.0 (the \"License\"); you may not use this file except in            }\r\n{  compliance with the License. You may obtain a copy of the License at        }\r\n{  http:\/\/www.mozilla.org\/MPL\/                                                 }\r\n{                                                                              }\r\n{  Software distributed under the License is distributed on an \"AS IS\"         }\r\n{  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the     }\r\n{  License for the specific language governing rights and limitations          }\r\n{  under the License.                                                          }\r\n{                                                                              }\r\n{  The Original Code is Tulip.UI.ProgressBars.pas.                             }\r\n{                                                                              }\r\n{  The Initial Developer of the Original Code is Marcos Gomes.                 }\r\n{  Portions created by Marcos Gomes are Copyright (C) 2012, Marcos Gomes.      }\r\n{  All Rights Reserved.                                                        }\r\n{                                                                              }\r\n{******************************************************************************}\r\n{                                                                              }\r\n{  Tulip.UI.ProgressBars.pas                            Modified: 05-Out-2012  }\r\n{  --------------------------------------------------------------------------  }\r\n{                                                                              }\r\n{                 Base Implementations for ProgressBar Controls                }\r\n{                                                                              }\r\n{                                Version 1.02                                  }\r\n{                                                                              }\r\n{******************************************************************************}\r\n\r\nunit Tulip.UI.ProgressBars;\r\n\r\ninterface\r\n\r\nuses\r\n  System.SysUtils, System.Types, System.Classes,\r\n  \/\/ Aspryre units\r\n  AsphyreTypes, AbstractCanvas, AsphyreFonts, AsphyreImages, Vectors2,\r\n  \/\/ Tulip UI Units\r\n  Tulip.UI.Classes, Tulip.UI.Types, Tulip.UI.Utils, Tulip.UI.Controls,\r\n  Tulip.UI.Forms, Tulip.UI.Helpers;\r\n\r\ntype\r\n{$REGION 'TCustomAProgressBar'}\r\n  TCustomAProgressBar = class(TAControl)\r\n  private\r\n    FAntialiased: Boolean;\r\n    FBorder: TBorder;\r\n    FCanMoveHandle: Boolean;\r\n    FCaption: String;\r\n    FColor: TFillColor;\r\n    FDisplay: TProgressDisplay;\r\n    FFont: TFormatedFont;\r\n    FImage: TImage;\r\n    FMargin: Word;\r\n    FMax: Cardinal;\r\n    FMin: Cardinal;\r\n    FPosition: Cardinal;\r\n    FProgressColor: TFillColor;\r\n    FTransparent: Boolean;\r\n    procedure SetAntialiased(Value: Boolean);\r\n    procedure SetBorder(Value: TBorder);\r\n    procedure SetCanMoveHandle(Value: Boolean);\r\n    procedure SetCaption(Value: String);\r\n    procedure SetColor(Color: TFillColor);\r\n    procedure SetDisplay(Value: TProgressDisplay);\r\n    procedure SetFont(Value: TFormatedFont);\r\n    procedure SetImage(Value: TImage);\r\n    procedure SetMargin(Value: Word);\r\n    procedure SetMax(Value: Cardinal);\r\n    procedure SetMin(Value: Cardinal);\r\n    procedure SetPosition(Value: Cardinal);\r\n    procedure SetProgressColor(Value: TFillColor);\r\n    procedure SetTransparent(Value: Boolean);\r\n  protected\r\n    procedure AssignTo(Dest: TPersistent); override;\r\n    procedure Paint; override;\r\n  public\r\n    constructor Create(AOwner: TComponent); override;\r\n    destructor Destroy; override;\r\n\r\n    function GetPercentage: Cardinal;\r\n\r\n    procedure MouseDown(Button: TMouseButton; Shift: TShiftState;\r\n      X, Y: Integer); override;\r\n    procedure MouseMove(Shift: TShiftState; X, Y: Integer); override;\r\n    procedure MouseUp(Button: TMouseButton; Shift: TShiftState;\r\n      X, Y: Integer); override;\r\n\r\n    property Antialiased: Boolean read FAntialiased write SetAntialiased;\r\n    property Border: TBorder read FBorder write SetBorder;\r\n    property CanMoveHandle: Boolean read FCanMoveHandle write SetCanMoveHandle;\r\n    property Caption: String read FCaption write SetCaption;\r\n    property Color: TFillColor read FColor write SetColor;\r\n    property Display: TProgressDisplay read FDisplay write SetDisplay;\r\n    property Font: TFormatedFont read FFont write SetFont;\r\n    property Image: TImage read FImage write SetImage;\r\n    property Margin: Word read FMargin write SetMargin;\r\n    property Max: Cardinal read FMax write SetMax;\r\n    property Min: Cardinal read FMin write SetMin;\r\n    property Position: Cardinal read FPosition write SetPosition;\r\n    property ProgressColor: TFillColor read FProgressColor\r\n      write SetProgressColor;\r\n    property Transparent: Boolean read FTransparent write SetTransparent;\r\n  end;\r\n{$ENDREGION}\r\n\r\nimplementation\r\n\r\nvar\r\n  XOffSet, YOffSet: Integer;\r\n\r\n{$REGION 'TCustomAProgressBar'}\r\n  { TCustomAProgressBar }\r\n\r\nprocedure TCustomAProgressBar.AssignTo(Dest: TPersistent);\r\nbegin\r\n  ControlState := ControlState + [csReadingState];\r\n\r\n  inherited AssignTo(Dest);\r\n\r\n  if Dest is TCustomAProgressBar then\r\n    with TCustomAProgressBar(Dest) do\r\n    begin\r\n      Antialiased := Self.Antialiased;\r\n      Border := Self.Border;\r\n      CanMoveHandle := Self.CanMoveHandle;\r\n      Caption := Self.Caption;\r\n      Color := Self.Color;\r\n      Display := Self.Display;\r\n      Font := Self.Font;\r\n      Image := Self.Image;\r\n      Margin := Self.Margin;\r\n      Max := Self.Max;\r\n      Min := Self.Min;\r\n      Position := Self.Position;\r\n      ProgressColor := Self.ProgressColor;\r\n      Transparent := Self.Transparent;\r\n    end;\r\n\r\n  ControlState := ControlState - [csReadingState];\r\nend;\r\n\r\nconstructor TCustomAProgressBar.Create(AOwner: TComponent);\r\nvar\r\n  Num: Integer;\r\nbegin\r\n  ControlState := ControlState + [csCreating];\r\n\r\n  inherited Create(AOwner);\r\n\r\n  if (AOwner <> nil) and (AOwner <> Self) and (AOwner is TWControl) then\r\n  begin\r\n    \/\/ Auto generate name\r\n    Num := 1;\r\n    while AOwner.FindComponent('ProgressBar' + IntToStr(Num)) <> nil do\r\n      Inc(Num);\r\n    Name := 'ProgressBar' + IntToStr(Num);\r\n  end;\r\n\r\n  \/\/ Set Fields\r\n  FAntialiased := True;\r\n  FBorder := TBorder.Create;\r\n  FBorder.Color := $B0FFFFFF;\r\n  FBorder.Size := 1;\r\n  FCanMoveHandle := True;\r\n  FCaption := '';\r\n  FColor := TFillColor.Create($FF4090F0, $FF4090F0, $FF6EAAF4, $FF6EAAF4);\r\n  FDisplay := pdPercentage;\r\n  FFont := TFormatedFont.Create;\r\n  FFont.Color.SetColor($B0FFFFFF, $B0FFFFFF);\r\n  FImage := TImage.Create;\r\n  FMargin := 1;\r\n  FMax := 100;\r\n  FMin := 0;\r\n  FPosition := 0;\r\n  FProgressColor := TFillColor.Create($FFA6CAF0, $FFA6CAF0, $FF4090F0,\r\n    $FF4090F0);\r\n  FTransparent := False;\r\n\r\n  \/\/ Set Properties\r\n  Self.Left := 0;\r\n  Self.Top := 0;\r\n  Self.Height := 24;\r\n  Self.Width := 120;\r\n\r\n  ControlState := ControlState - [csCreating];\r\nend;\r\n\r\ndestructor TCustomAProgressBar.Destroy;\r\nbegin\r\n  FBorder.Free;\r\n  FColor.Free;\r\n  FFont.Free;\r\n  FImage.Free;\r\n  FProgressColor.Free;\r\n\r\n  inherited;\r\nend;\r\n\r\nfunction TCustomAProgressBar.GetPercentage: Cardinal;\r\nbegin\r\n  Result := Round((FPosition \/ FMax) * 100);\r\nend;\r\n\r\nprocedure TCustomAProgressBar.MouseDown(Button: TMouseButton;\r\n  Shift: TShiftState; X, Y: Integer);\r\nbegin\r\n  \/\/ Start move the form Handle\r\n  if (FCanMoveHandle) and (Handle is TCustomAForm) then\r\n  begin\r\n    if (Button = mbLeft) and (TCustomAForm(Handle).CanMove) then\r\n    begin\r\n      XOffSet := X - TCustomAForm(Handle).Left;\r\n      YOffSet := Y - TCustomAForm(Handle).Top;\r\n      TCustomAForm(Handle).IsMoving := True;\r\n    end;\r\n  end;\r\n\r\n  inherited MouseDown(Button, Shift, X, Y);\r\nend;\r\n\r\nprocedure TCustomAProgressBar.MouseMove(Shift: TShiftState; X, Y: Integer);\r\nbegin\r\n  \/\/ Move the form Handle\r\n  if (FCanMoveHandle) and (Handle is TCustomAForm) then\r\n  begin\r\n    if TCustomAForm(Handle).IsMoving = True then\r\n    begin\r\n      TCustomAForm(Handle).Left := X - XOffSet;\r\n      TCustomAForm(Handle).Top := Y - YOffSet;\r\n    end;\r\n  end;\r\n\r\n  inherited MouseMove(Shift, X, Y);\r\nend;\r\n\r\nprocedure TCustomAProgressBar.MouseUp(Button: TMouseButton; Shift: TShiftState;\r\n  X, Y: Integer);\r\nbegin\r\n  \/\/ Stop move the form Handle\r\n  if (FCanMoveHandle) and (Handle is TCustomAForm) then\r\n  begin\r\n    if (Button = mbLeft) and (TCustomAForm(Handle).IsMoving) then\r\n      TCustomAForm(Handle).IsMoving := False;\r\n  end;\r\n\r\n  inherited MouseUp(Button, Shift, X, Y);\r\nend;\r\n\r\nprocedure TCustomAProgressBar.Paint;\r\nvar\r\n  X, Y: Integer;\r\n  AFont: TAsphyreFont;\r\n  AImage: TAsphyreImage;\r\n  bTop, bBottom: TConstraintSize;\r\n  L, W: Integer;\r\n  AText: String;\r\nbegin\r\n  \/\/ Set initial values\r\n  X := ClientLeft;\r\n  Y := ClientTop;\r\n\r\n  ControlManager.Canvas.Antialias := FAntialiased;\r\n\r\n  \/\/ Draw Background\r\n  if not FTransparent then\r\n  begin\r\n    AImage := ControlManager.Images.Image[FImage.Image];\r\n    if AImage <> nil then\r\n    begin\r\n      ControlManager.Canvas.UseImagePx(AImage, pRect4(FImage.Rect));\r\n      ControlManager.Canvas.TexMap(pRect4(Rect(X, Y, X + Width, Y + Height)),\r\n        cAlpha4(FColor), beNormal);\r\n    end\r\n    else\r\n    begin\r\n      ControlManager.Canvas.FillRect(Rect(X, Y, X + Width, Y + Height),\r\n        cColor4(FColor), beNormal);\r\n    end;\r\n  end;\r\n\r\n  \/\/ Draw Border\r\n  if Border.Size > 0 then\r\n  begin\r\n    bTop := 0;\r\n    bBottom := 0;\r\n\r\n    if eTop in Border.Edges then\r\n    begin\r\n      ControlManager.Canvas.FillRect(Rect(X, Y, X + Width, Y + Border.Size),\r\n        Border.Color, beNormal);\r\n      bTop := Border.Size;\r\n    end;\r\n\r\n    if eBottom in Border.Edges then\r\n    begin\r\n      ControlManager.Canvas.FillRect(Rect(X, Y + Height - Border.Size,\r\n        X + Width, Y + Height), Border.Color, beNormal);\r\n      bBottom := Border.Size;\r\n    end;\r\n\r\n    if eLeft in Border.Edges then\r\n      ControlManager.Canvas.FillRect(Rect(X, Y + bTop, X + Border.Size,\r\n        Y + Height - bBottom), Border.Color, beNormal);\r\n\r\n    if eRight in Border.Edges then\r\n      ControlManager.Canvas.FillRect(Rect(X + Width - Border.Size, Y + bTop,\r\n        X + Width, Y + Height - bBottom), Border.Color, beNormal);\r\n  end;\r\n\r\n  \/\/ Draw progress\r\n  L := X + FBorder.Size + FMargin;\r\n  W := Self.Width - FBorder.Size - FMargin;\r\n\r\n  if Round(W * (FPosition * (1 \/ (FMax)))) > 0 then\r\n  begin\r\n    ControlManager.Canvas.FillRect(Rect(L, Y + FBorder.Size + FMargin,\r\n      X + Round(W * (FPosition \/ FMax)), Y + Self.Height - FBorder.Size -\r\n      FMargin), cColor4(FProgressColor), beNormal);\r\n  end;\r\n\r\n  case FDisplay of\r\n    pdNone:\r\n      AText := '';\r\n    pdValue:\r\n      AText := Format('%d', [FPosition]);\r\n    pdPercentage:\r\n      AText := Format('%d%%', [GetPercentage]);\r\n    pdCustom:\r\n      AText := FCaption;\r\n  end;\r\n\r\n  \/\/ Draw DisplayText\r\n  AFont := ControlManager.Fonts.Font[FFont.Name];\r\n  if (AFont <> nil) and (AText <> '') then\r\n  begin\r\n    AFont.TextRectEx(Point2(X + Border.Size + Margin, Y + Border.Size + Margin +\r\n      1), Point2(Width - (Border.Size * 2) - (Margin * 2),\r\n      Height - (Border.Size * 2) - (Margin * 2)), AText, cColor2(FFont.Color),\r\n      1.0, FFont.HorizontalAlign, FFont.VerticalAlign, FFont.ParagraphLine);\r\n  end;\r\nend;\r\n\r\nprocedure TCustomAProgressBar.SetAntialiased(Value: Boolean);\r\nbegin\r\n  FAntialiased := Value;\r\nend;\r\n\r\nprocedure TCustomAProgressBar.SetBorder(Value: TBorder);\r\nbegin\r\n  if Value <> nil then\r\n    FBorder.Assign(Value);\r\nend;\r\n\r\nprocedure TCustomAProgressBar.SetCanMoveHandle(Value: Boolean);\r\nbegin\r\n  FCanMoveHandle := Value\r\nend;\r\n\r\nprocedure TCustomAProgressBar.SetCaption(Value: String);\r\nbegin\r\n  FCaption := Value;\r\nend;\r\n\r\nprocedure TCustomAProgressBar.SetColor(Color: TFillColor);\r\nbegin\r\n  if Color <> nil then\r\n    FColor.Assign(Color);\r\nend;\r\n\r\nprocedure TCustomAProgressBar.SetDisplay(Value: TProgressDisplay);\r\nbegin\r\n  FDisplay := Value;\r\nend;\r\n\r\nprocedure TCustomAProgressBar.SetFont(Value: TFormatedFont);\r\nbegin\r\n  if Value <> nil then\r\n    FFont.Assign(Value);\r\nend;\r\n\r\nprocedure TCustomAProgressBar.SetImage(Value: TImage);\r\nbegin\r\n  if Value <> nil then\r\n    FImage.Assign(Value);\r\nend;\r\n\r\nprocedure TCustomAProgressBar.SetMargin(Value: Word);\r\nbegin\r\n  FMargin := Value;\r\nend;\r\n\r\nprocedure TCustomAProgressBar.SetMax(Value: Cardinal);\r\nbegin\r\n  FMax := Value;\r\n\r\n  if FMax < FMin then\r\n    FMax := FMin;\r\n\r\n  if FPosition > FMax then\r\n    FPosition := FMax;\r\nend;\r\n\r\nprocedure TCustomAProgressBar.SetMin(Value: Cardinal);\r\nbegin\r\n  FMin := Value;\r\n\r\n  if FMin > FMax then\r\n    FMin := FMax;\r\n\r\n  if FPosition < FMin then\r\n    FPosition := FMin;\r\nend;\r\n\r\nprocedure TCustomAProgressBar.SetPosition(Value: Cardinal);\r\nbegin\r\n  FPosition := Value;\r\n\r\n  if Value < FMin then\r\n    FPosition := FMin;\r\n\r\n  if Value > FMax then\r\n    FPosition := FMax;\r\nend;\r\n\r\nprocedure TCustomAProgressBar.SetProgressColor(Value: TFillColor);\r\nbegin\r\n  if Value <> nil then\r\n    FProgressColor.Assign(Value);\r\nend;\r\n\r\nprocedure TCustomAProgressBar.SetTransparent(Value: Boolean);\r\nbegin\r\n  FTransparent := Value;\r\nend;\r\n{$ENDREGION}\r\n\r\nend.\r\n<\/pre>\n<p><\/code>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Source Files {******************************************************************************} { } { Tulip &#8211; User Interface Library } { } { Copyright(c) 2012 Marcos Gomes. All rights Reserved. } { } { &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; } { } <a class=\"more-link\" href=\"http:\/\/tulip-ui.azurewebsites.net\/?page_id=1361\">Continue Reading &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1091,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":[],"_links":{"self":[{"href":"http:\/\/tulip-ui.azurewebsites.net\/index.php?rest_route=\/wp\/v2\/pages\/1361"}],"collection":[{"href":"http:\/\/tulip-ui.azurewebsites.net\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/tulip-ui.azurewebsites.net\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/tulip-ui.azurewebsites.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/tulip-ui.azurewebsites.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1361"}],"version-history":[{"count":2,"href":"http:\/\/tulip-ui.azurewebsites.net\/index.php?rest_route=\/wp\/v2\/pages\/1361\/revisions"}],"predecessor-version":[{"id":1801,"href":"http:\/\/tulip-ui.azurewebsites.net\/index.php?rest_route=\/wp\/v2\/pages\/1361\/revisions\/1801"}],"up":[{"embeddable":true,"href":"http:\/\/tulip-ui.azurewebsites.net\/index.php?rest_route=\/wp\/v2\/pages\/1091"}],"wp:attachment":[{"href":"http:\/\/tulip-ui.azurewebsites.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}