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lcl: add NormalizeRect function

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git-svn-id: trunk@18863 -
This commit is contained in:
paul 2009-03-02 03:09:42 +00:00
parent d45af9b5b8
commit 084ca7e3cd
1 changed files with 28 additions and 0 deletions
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28
lcl/graphutil.pp
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@ -68,6 +68,9 @@ function ColorAdjustLuma(clrRGB: TColor; n: Integer; fScale: BOOL): TColor;
function GetHighLightColor(const Color: TColor; Luminance: Integer = 19): TColor; function GetHighLightColor(const Color: TColor; Luminance: Integer = 19): TColor;
function GetShadowColor(const Color: TColor; Luminance: Integer = -50): TColor; function GetShadowColor(const Color: TColor; Luminance: Integer = -50): TColor;
// misc
function NormalizeRect(const R: TRect): TRect;
implementation implementation
//TODO: Check code on endianess //TODO: Check code on endianess
@ -401,6 +404,31 @@ begin
Result := ColorAdjustLuma(Color, Luminance, False); Result := ColorAdjustLuma(Color, Luminance, False);
end; end;
function NormalizeRect(const R: TRect): TRect;
begin
if R.Left <= R.Right then
begin
Result.Left := R.Left;
Result.Right := R.Right;
end
else
begin
Result.Left := R.Right;
Result.Right := R.Left;
end;
if R.Top <= R.Bottom then
begin
Result.Top := R.Top;
Result.Bottom := R.Bottom;
end
else
begin
Result.Top := R.Bottom;
Result.Bottom := R.Top;
end;
end;
procedure DrawVerticalGradient(Canvas: TCanvas; ARect: TRect; TopColor, BottomColor: TColor); procedure DrawVerticalGradient(Canvas: TCanvas; ARect: TRect; TopColor, BottomColor: TColor);
var var
y, h: Integer; y, h: Integer;