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LCL: Icon: sort

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git-svn-id: trunk@57178 -
This commit is contained in:
ondrej 2018-01-29 09:29:42 +00:00
parent d5a2162347
commit de98dc8a6f
2 changed files with 30 additions and 0 deletions
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2
lcl/graphics.pp
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@ -1629,6 +1629,7 @@ type
function GetIndex(AFormat: TPixelFormat; AHeight, AWidth: Word): Integer;
class function GetImagesClass: TIconImageClass; virtual;
procedure Add(AIconImage: TIconImage);
procedure Sort;
function Count: Integer;
property Images[AIndex: Integer]: TIconImage read GetImage;
end;
@ -1740,6 +1741,7 @@ type
function MaskHandleAllocated: boolean; override;
function PaletteAllocated: boolean; override;
procedure SetHandles(ABitmap, AMask: HBITMAP); override;
procedure Sort;
function GetBestIndexForSize(ASize: TSize): Integer;
property Current: Integer read FCurrent write SetCurrent;

28
lcl/include/icon.inc
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@ -12,6 +12,16 @@
*****************************************************************************
}
function IconCompare(Item1, Item2: Pointer): Integer;
var
Icon1: TIconImage absolute Item1;
Icon2: TIconImage absolute Item2;
begin
Result := CompareValue(Icon1.Width, Icon2.Width);
if Result=0 then
Result := -CompareValue(Ord(Icon1.PixelFormat), Ord(Icon2.PixelFormat));
end;
const
IconSignature: array [0..3] of Byte = (0, 0, 1, 0);
@ -121,6 +131,11 @@ begin
Result := inherited IsEmpty and (Count = 0);
end;
procedure TSharedIcon.Sort;
begin
FImages.Sort(@IconCompare);
end;
function TSharedIcon.GetImage(const AIndex: Integer): TIconImage;
begin
Result := TIconImage(FImages[AIndex]);
@ -1000,6 +1015,19 @@ begin
// nothing
end;
procedure TCustomIcon.Sort;
var
ACurrent: Pointer;
begin
if FCurrent>=0 then
ACurrent := TSharedIcon(FSharedImage).FImages[FCurrent]
else
ACurrent := nil;
TSharedIcon(FSharedImage).Sort;
if ACurrent<>nil then
FCurrent := TSharedIcon(FSharedImage).FImages.IndexOf(ACurrent);
end;
procedure TCustomIcon.SetSize(AWidth, AHeight: integer);
begin
if FCurrent <> -1