Added bright and contrast test for bcbuttonfocus

test/test_bccontrols/test_bcbutton_functions/test.lpi

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+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="9"/>
+    <PathDelim Value="\"/>
+    <General>
+      <SessionStorage Value="InProjectDir"/>
+      <MainUnit Value="0"/>
+      <Title Value="test"/>
+      <ResourceType Value="res"/>
+      <UseXPManifest Value="True"/>
+      <XPManifest>
+        <DpiAware Value="True"/>
+      </XPManifest>
+      <Icon Value="0"/>
+    </General>
+    <BuildModes Count="1">
+      <Item1 Name="Default" Default="True"/>
+    </BuildModes>
+    <PublishOptions>
+      <Version Value="2"/>
+    </PublishOptions>
+    <RunParams>
+      <local>
+        <FormatVersion Value="1"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="2">
+      <Item1>
+        <PackageName Value="bgracontrols"/>
+      </Item1>
+      <Item2>
+        <PackageName Value="LCL"/>
+      </Item2>
+    </RequiredPackages>
+    <Units Count="3">
+      <Unit0>
+        <Filename Value="test.lpr"/>
+        <IsPartOfProject Value="True"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="umain.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="aForm"/>
+        <HasResources Value="True"/>
+        <ResourceBaseClass Value="Form"/>
+      </Unit1>
+      <Unit2>
+        <Filename Value="ubrightandcontrast.pas"/>
+        <IsPartOfProject Value="True"/>
+      </Unit2>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="11"/>
+    <PathDelim Value="\"/>
+    <Target>
+      <Filename Value="test"/>
+    </Target>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <Linking>
+      <Options>
+        <Win32>
+          <GraphicApplication Value="True"/>
+        </Win32>
+      </Options>
+    </Linking>
+  </CompilerOptions>
+  <Debugging>
+    <Exceptions Count="3">
+      <Item1>
+        <Name Value="EAbort"/>
+      </Item1>
+      <Item2>
+        <Name Value="ECodetoolError"/>
+      </Item2>
+      <Item3>
+        <Name Value="EFOpenError"/>
+      </Item3>
+    </Exceptions>
+  </Debugging>
+</CONFIG>

test/test_bccontrols/test_bcbutton_functions/test.lpr

@@ -0,0 +1,21 @@
+program test;
+
+{$mode objfpc}{$H+}
+
+uses
+  {$IFDEF UNIX}{$IFDEF UseCThreads}
+  cthreads,
+  {$ENDIF}{$ENDIF}
+  Interfaces, // this includes the LCL widgetset
+  Forms, umain, ubrightandcontrast
+  { you can add units after this };
+
+{$R *.res}
+
+begin
+  RequireDerivedFormResource:=True;
+  Application.Initialize;
+  Application.CreateForm(TaForm, aForm);
+  Application.Run;
+end.
+

test/test_bccontrols/test_bcbutton_functions/ubrightandcontrast.pas

@@ -0,0 +1,65 @@
+unit ubrightandcontrast;
+
+{ Unit contributed by esvignolo }
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, Graphics, LCLType;
+
+function Bright(aColor: TColor; BrightPercent: byte): TColor;
+function GetContrastColor(ABGColor: TColor): TColor;
+
+implementation
+
+function Bright(aColor: TColor; BrightPercent: byte): TColor;
+var
+  r, g, b: byte;
+begin
+  aColor := ColorToRGB(aColor);
+  r := Red(aColor);
+  g := Green(aColor);
+  b := Blue(aColor);
+  {muldiv (255-r, BrightPercent, 100); - color value in percentage,
+  By which it is necessary to increase initial color (integer)}
+  r := r + muldiv(255 - r, BrightPercent, 100);
+  g := g + muldiv(255 - g, BrightPercent, 100);
+  b := b + muldiv(255 - b, BrightPercent, 100);
+  Result := RGBToColor(r, g, b);
+end;
+
+function GetContrastColor(ABGColor: TColor): TColor;
+var
+  ADouble: double;
+  R, G, B: byte;
+begin
+  if ABGColor <= 0 then
+  begin
+    Result := clWhite;
+    Exit; // *** EXIT RIGHT HERE ***
+  end;
+
+  if ABGColor = clWhite then
+  begin
+    Result := clBlack;
+    Exit; // *** EXIT RIGHT HERE ***
+  end;
+
+  // Get RGB from Color
+  R := Red(ABGColor);
+  G := Green(ABGColor);
+  B := Blue(ABGColor);
+
+  // Counting the perceptive luminance - human eye favors green color...
+  ADouble := 1 - (0.299 * R + 0.587 * G + 0.114 * B) / 255;
+
+  if (ADouble < 0.5) then
+    Result := clBlack  // bright colors - black font
+  else
+    Result := clWhite;  // dark colors - white font
+end;
+
+end.
+

test/test_bccontrols/test_bcbutton_functions/umain.lfm

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+object aForm: TaForm
+  Left = 462
+  Height = 240
+  Top = 146
+  Width = 320
+  Caption = 'Bright and Contrast'
+  ClientHeight = 240
+  ClientWidth = 320
+  OnCreate = FormCreate
+  LCLVersion = '1.7'
+  object BCButtonFocus1: TBCButtonFocus
+    Left = 8
+    Height = 34
+    Top = 8
+    Width = 147
+    StateClicked.Background.Color = 16245964
+    StateClicked.Background.ColorOpacity = 255
+    StateClicked.Background.Gradient1.StartColor = 16577765
+    StateClicked.Background.Gradient1.StartColorOpacity = 255
+    StateClicked.Background.Gradient1.DrawMode = dmSet
+    StateClicked.Background.Gradient1.EndColor = 16180676
+    StateClicked.Background.Gradient1.EndColorOpacity = 255
+    StateClicked.Background.Gradient1.ColorCorrection = True
+    StateClicked.Background.Gradient1.GradientType = gtLinear
+    StateClicked.Background.Gradient1.Point1XPercent = 0
+    StateClicked.Background.Gradient1.Point1YPercent = 0
+    StateClicked.Background.Gradient1.Point2XPercent = 0
+    StateClicked.Background.Gradient1.Point2YPercent = 100
+    StateClicked.Background.Gradient1.Sinus = False
+    StateClicked.Background.Gradient2.StartColor = 15716760
+    StateClicked.Background.Gradient2.StartColorOpacity = 255
+    StateClicked.Background.Gradient2.DrawMode = dmSet
+    StateClicked.Background.Gradient2.EndColor = 14398312
+    StateClicked.Background.Gradient2.EndColorOpacity = 255
+    StateClicked.Background.Gradient2.ColorCorrection = True
+    StateClicked.Background.Gradient2.GradientType = gtLinear
+    StateClicked.Background.Gradient2.Point1XPercent = 0
+    StateClicked.Background.Gradient2.Point1YPercent = 0
+    StateClicked.Background.Gradient2.Point2XPercent = 0
+    StateClicked.Background.Gradient2.Point2YPercent = 100
+    StateClicked.Background.Gradient2.Sinus = False
+    StateClicked.Background.Gradient1EndPercent = 55
+    StateClicked.Background.Style = bbsColor
+    StateClicked.Border.Color = 10048512
+    StateClicked.Border.ColorOpacity = 255
+    StateClicked.Border.LightColor = clBlack
+    StateClicked.Border.LightOpacity = 100
+    StateClicked.Border.LightWidth = 0
+    StateClicked.Border.Style = bboSolid
+    StateClicked.Border.Width = 1
+    StateClicked.FontEx.Color = clBlack
+    StateClicked.FontEx.EndEllipsis = False
+    StateClicked.FontEx.FontQuality = fqSystemClearType
+    StateClicked.FontEx.Height = 0
+    StateClicked.FontEx.SingleLine = True
+    StateClicked.FontEx.Shadow = False
+    StateClicked.FontEx.ShadowColor = clBlack
+    StateClicked.FontEx.ShadowColorOpacity = 255
+    StateClicked.FontEx.ShadowRadius = 5
+    StateClicked.FontEx.ShadowOffsetX = 5
+    StateClicked.FontEx.ShadowOffsetY = 5
+    StateClicked.FontEx.Style = []
+    StateClicked.FontEx.TextAlignment = bcaCenter
+    StateClicked.FontEx.WordBreak = False
+    StateHover.Background.Color = 16511461
+    StateHover.Background.ColorOpacity = 255
+    StateHover.Background.Gradient1.StartColor = 16643818
+    StateHover.Background.Gradient1.StartColorOpacity = 255
+    StateHover.Background.Gradient1.DrawMode = dmSet
+    StateHover.Background.Gradient1.EndColor = 16576729
+    StateHover.Background.Gradient1.EndColorOpacity = 255
+    StateHover.Background.Gradient1.ColorCorrection = True
+    StateHover.Background.Gradient1.GradientType = gtLinear
+    StateHover.Background.Gradient1.Point1XPercent = 0
+    StateHover.Background.Gradient1.Point1YPercent = 0
+    StateHover.Background.Gradient1.Point2XPercent = 0
+    StateHover.Background.Gradient1.Point2YPercent = 100
+    StateHover.Background.Gradient1.Sinus = False
+    StateHover.Background.Gradient2.StartColor = 16639678
+    StateHover.Background.Gradient2.StartColorOpacity = 255
+    StateHover.Background.Gradient2.DrawMode = dmSet
+    StateHover.Background.Gradient2.EndColor = 16112039
+    StateHover.Background.Gradient2.EndColorOpacity = 255
+    StateHover.Background.Gradient2.ColorCorrection = True
+    StateHover.Background.Gradient2.GradientType = gtLinear
+    StateHover.Background.Gradient2.Point1XPercent = 0
+    StateHover.Background.Gradient2.Point1YPercent = 0
+    StateHover.Background.Gradient2.Point2XPercent = 0
+    StateHover.Background.Gradient2.Point2YPercent = 100
+    StateHover.Background.Gradient2.Sinus = False
+    StateHover.Background.Gradient1EndPercent = 50
+    StateHover.Background.Style = bbsColor
+    StateHover.Border.Color = 14120960
+    StateHover.Border.ColorOpacity = 255
+    StateHover.Border.LightColor = clWhite
+    StateHover.Border.LightOpacity = 200
+    StateHover.Border.LightWidth = 0
+    StateHover.Border.Style = bboSolid
+    StateHover.Border.Width = 1
+    StateHover.FontEx.Color = clBlack
+    StateHover.FontEx.EndEllipsis = False
+    StateHover.FontEx.FontQuality = fqSystemClearType
+    StateHover.FontEx.Height = 0
+    StateHover.FontEx.SingleLine = True
+    StateHover.FontEx.Shadow = False
+    StateHover.FontEx.ShadowColor = clBlack
+    StateHover.FontEx.ShadowColorOpacity = 255
+    StateHover.FontEx.ShadowRadius = 5
+    StateHover.FontEx.ShadowOffsetX = 5
+    StateHover.FontEx.ShadowOffsetY = 5
+    StateHover.FontEx.Style = []
+    StateHover.FontEx.TextAlignment = bcaCenter
+    StateHover.FontEx.WordBreak = False
+    StateNormal.Background.Color = 14803425
+    StateNormal.Background.ColorOpacity = 255
+    StateNormal.Background.Gradient1.StartColor = 15921906
+    StateNormal.Background.Gradient1.StartColorOpacity = 255
+    StateNormal.Background.Gradient1.DrawMode = dmSet
+    StateNormal.Background.Gradient1.EndColor = 15461355
+    StateNormal.Background.Gradient1.EndColorOpacity = 255
+    StateNormal.Background.Gradient1.ColorCorrection = True
+    StateNormal.Background.Gradient1.GradientType = gtLinear
+    StateNormal.Background.Gradient1.Point1XPercent = 0
+    StateNormal.Background.Gradient1.Point1YPercent = 0
+    StateNormal.Background.Gradient1.Point2XPercent = 0
+    StateNormal.Background.Gradient1.Point2YPercent = 100
+    StateNormal.Background.Gradient1.Sinus = False
+    StateNormal.Background.Gradient2.StartColor = 14540253
+    StateNormal.Background.Gradient2.StartColorOpacity = 255
+    StateNormal.Background.Gradient2.DrawMode = dmSet
+    StateNormal.Background.Gradient2.EndColor = 13619151
+    StateNormal.Background.Gradient2.EndColorOpacity = 255
+    StateNormal.Background.Gradient2.ColorCorrection = True
+    StateNormal.Background.Gradient2.GradientType = gtLinear
+    StateNormal.Background.Gradient2.Point1XPercent = 0
+    StateNormal.Background.Gradient2.Point1YPercent = 0
+    StateNormal.Background.Gradient2.Point2XPercent = 0
+    StateNormal.Background.Gradient2.Point2YPercent = 100
+    StateNormal.Background.Gradient2.Sinus = False
+    StateNormal.Background.Gradient1EndPercent = 50
+    StateNormal.Background.Style = bbsColor
+    StateNormal.Border.Color = 11382189
+    StateNormal.Border.ColorOpacity = 255
+    StateNormal.Border.LightColor = clWhite
+    StateNormal.Border.LightOpacity = 200
+    StateNormal.Border.LightWidth = 0
+    StateNormal.Border.Style = bboSolid
+    StateNormal.Border.Width = 1
+    StateNormal.FontEx.Color = clBlack
+    StateNormal.FontEx.EndEllipsis = False
+    StateNormal.FontEx.FontQuality = fqSystemClearType
+    StateNormal.FontEx.Height = 0
+    StateNormal.FontEx.SingleLine = True
+    StateNormal.FontEx.Shadow = False
+    StateNormal.FontEx.ShadowColor = clBlack
+    StateNormal.FontEx.ShadowColorOpacity = 255
+    StateNormal.FontEx.ShadowRadius = 5
+    StateNormal.FontEx.ShadowOffsetX = 5
+    StateNormal.FontEx.ShadowOffsetY = 5
+    StateNormal.FontEx.Style = []
+    StateNormal.FontEx.TextAlignment = bcaCenter
+    StateNormal.FontEx.WordBreak = False
+    Caption = 'BCButtonFocus1'
+    Color = clNone
+    DropDownWidth = 16
+    DropDownArrowSize = 8
+    GlobalOpacity = 255
+    InnerMargin = 0
+    ParentColor = False
+    Rounding.RoundX = 0
+    Rounding.RoundY = 0
+    Rounding.RoundOptions = []
+    RoundingDropDown.RoundX = 1
+    RoundingDropDown.RoundY = 1
+    RoundingDropDown.RoundOptions = []
+    TextApplyGlobalOpacity = False
+    MemoryUsage = bmuHighF
+    TabStop = True
+  end
+end

test/test_bccontrols/test_bcbutton_functions/umain.pas

@@ -0,0 +1,98 @@
+unit umain;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
+  BCButtonFocus, BCTypes;
+
+type
+
+  { TaForm }
+
+  TaForm = class(TForm)
+    BCButtonFocus1: TBCButtonFocus;
+    procedure FormCreate(Sender: TObject);
+  private
+
+  public
+
+  end;
+
+var
+  aForm: TaForm;
+
+implementation
+uses
+  ubrightandcontrast;
+
+{$R *.lfm}
+
+{ TaForm }
+
+procedure BCButtonWindows8(AButton: TBCButtonFocus; cl1, cl2: TColor);
+begin
+  AButton.Rounding.RoundX := 1;
+  AButton.Rounding.RoundY := 1;
+  AButton.RoundingDropDown.Assign(AButton.Rounding);
+
+  with AButton.StateNormal do
+  begin
+    Background.Style := bbsColor;
+    Background.Color := cl1;
+    Border.Style := bboSolid;
+    Border.Width := 1;
+    Border.Color := cl1;
+    Border.LightWidth := 0;
+    Border.LightOpacity := 255;
+    Border.Style := bboSolid;
+    // This will be automatically set with the GetContrastColor function
+    //FontEx.Color := clWhite;
+    FontEx.Shadow := False;
+    FontEx.Style := [];
+  end;
+
+  AButton.StateHover.Assign(AButton.StateNormal);
+  AButton.StateClicked.Assign(AButton.StateNormal);
+
+  with AButton.StateHover do
+  begin
+    Background.Color := cl2;
+    Border.Color := cl2;
+  end;
+
+  with AButton.StateClicked do
+  begin
+    Background.Color := cl2;
+    Border.Color := cl2;
+  end;
+end;
+
+procedure TaForm.FormCreate(Sender: TObject);
+var
+  i: integer;
+begin
+  for i := 0 to aForm.ComponentCount - 1 do
+  begin
+    if aForm.Components[i] is TBCButtonFocus then
+    begin
+      { Default style, color for normal and pressed }
+      BCButtonWindows8(TBCButtonFocus(aForm.Components[i]), clNavy, clGray);
+      { Hover color based on normal color }
+      TBCButtonFocus(aForm.Components[i]).StateHover.Background.Color :=
+        Bright(TBCButtonFocus(aForm.Components[i]).StateNormal.Background.Color, 20);
+      { Font color based on normal color }
+      TBCButtonFocus(aForm.Components[i]).StateNormal.FontEx.Color :=
+        GetContrastColor(TBCButtonFocus(aForm.Components[i]).StateNormal.Background.Color);
+      TBCButtonFocus(aForm.Components[i]).StateHover.FontEx.Color :=
+        GetContrastColor(TBCButtonFocus(aForm.Components[i]).StateNormal.Background.Color);
+      TBCButtonFocus(aForm.Components[i]).StateClicked.FontEx.Color :=
+        GetContrastColor(TBCButtonFocus(aForm.Components[i]).StateNormal.Background.Color);
+    end;
+  end;
+end;
+
+end.
+