Mega Code Archive
Create Disabled Bitmaps for TSpeedButton and TBitBtn at Run Time
<![CDATA[
Title: Create Disabled Bitmaps for TSpeedButton and TBitBtn at Run Time?
procedure AddDisableBMP(SB : array of TObject);
var
BM, SBM : TBitmap;
w, x, y, NewColor, i : integer;
PixelColor : TColor;
begin
BM := TBitmap.Create;
SBM := TBitmap.Create;
try
for i := 0 to High(SB) do
begin
if (SB[i] is TSpeedButton) then
BM.Assign((SB[i] as TSpeedButton).Glyph)
else if (SB[i] is TBitBtn) then
BM.Assign((SB[i] as TBitBtn).Glyph)
else
Exit;
if not Assigned(BM) or (BM.Width BM.Height) then Exit;
w := BM.Width;
SBM.Width := w * 2;
SBM.Height := w;
SBM.Canvas.Draw(0, 0, BM);
for x := 0 to w - 1 do
for y := 0 to w - 1 do
begin
PixelColor := ColorToRGB(BM.Canvas.Pixels[x, y]);
NewColor := Round((((PixelColor shr 16) + ((PixelColor shr 8) and $00FF) +
(PixelColor and $0000FF)) div 3)) div 2 + 96;
BM.Canvas.Pixels[x, y] := RGB(NewColor, NewColor, NewColor);
end;
SBM.Canvas.Draw(w, 0, BM);
if (SB[i] is TSpeedButton) then with (SB[i] as TSpeedButton) do
begin
Glyph.Assign(SBM);
NumGlyphs := 2;
end
else
with (SB[i] as TBitBtn) do
begin
Glyph.Assign(SBM);
NumGlyphs := 2;
end;
BM := TBitmap.Create;
SBM := TBitmap.Create;
end;
finally
BM.Free;
SBM.Free;
end;
end;
]]>