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cocoa: copy carbon implementation of GetObject

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git-svn-id: trunk@34311 -
This commit is contained in:
paul 2011-12-20 04:58:01 +00:00
parent 322b0f930c
commit fd4ac5495b
2 changed files with 131 additions and 1 deletions
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130
lcl/interfaces/cocoa/cocoawinapi.inc
View File

@ -642,6 +642,136 @@ begin
lpmi^.dwFlags := 0;
end;
function TCocoaWidgetSet.GetObject(GDIObj: HGDIOBJ; BufSize: Integer; Buf: Pointer): Integer;
var
AObject: TCocoaGDIObject;
DIB: TDIBSection;
Width, Height, RequiredSize, i: Integer;
APen: TCocoaPen absolute AObject;
ALogPen: PLogPen absolute Buf;
AExtLogPen: PExtLogPen absolute Buf;
begin
Result := 0;
AObject := CheckGDIObj(GDIObj);
if AObject is TCocoaBitmap then
begin
if Buf = nil then
begin
Result := SizeOf(TDIBSection);
Exit;
end;
Width := TCocoaBitmap(AObject).Width;
Height := TCocoaBitmap(AObject).Height;
FillChar(DIB, SizeOf(TDIBSection), 0);
{dsBM - BITMAP}
DIB.dsBm.bmType := $4D42;
DIB.dsBm.bmWidth := Width;
DIB.dsBm.bmHeight := Height;
DIB.dsBm.bmWidthBytes := 0;
DIB.dsBm.bmPlanes := 1;
DIB.dsBm.bmBitsPixel := 32;
DIB.dsBm.bmBits := nil;
{dsBmih - BITMAPINFOHEADER}
DIB.dsBmih.biSize := 40;
DIB.dsBmih.biWidth := Width;
DIB.dsBmih.biHeight := Height;
DIB.dsBmih.biPlanes := DIB.dsBm.bmPlanes;
DIB.dsBmih.biCompression := 0;
DIB.dsBmih.biSizeImage := 0;
DIB.dsBmih.biXPelsPerMeter := 0;
DIB.dsBmih.biYPelsPerMeter := 0;
DIB.dsBmih.biClrUsed := 0;
DIB.dsBmih.biClrImportant := 0;
DIB.dsBmih.biBitCount := 32;
if BufSize >= SizeOf(TDIBSection) then
begin
PDIBSection(Buf)^ := DIB;
Result := SizeOf(TDIBSection);
end
else
if BufSize > 0 then
begin
System.Move(DIB, Buf^, BufSize);
Result := BufSize;
end;
end
else
if AObject is TCocoaPen then
begin
if APen.IsExtPen then
begin
RequiredSize := SizeOf(TExtLogPen);
if Length(APen.Dashes) > 1 then
inc(RequiredSize, (Length(APen.Dashes) - 1) * SizeOf(DWord));
if Buf = nil then
Result := RequiredSize
else
if BufSize >= RequiredSize then
begin
Result := RequiredSize;
AExtLogPen^.elpPenStyle := APen.Style;
if APen.IsGeometric then
begin
case APen.JoinStyle of
kCGLineJoinRound:
AExtLogPen^.elpPenStyle := AExtLogPen^.elpPenStyle or PS_JOIN_ROUND;
kCGLineJoinBevel:
AExtLogPen^.elpPenStyle := AExtLogPen^.elpPenStyle or PS_JOIN_BEVEL;
kCGLineJoinMiter:
AExtLogPen^.elpPenStyle := AExtLogPen^.elpPenStyle or PS_JOIN_MITER;
end;
case APen.CapStyle of
kCGLineCapRound:
AExtLogPen^.elpPenStyle := AExtLogPen^.elpPenStyle or PS_ENDCAP_ROUND;
kCGLineCapSquare:
AExtLogPen^.elpPenStyle := AExtLogPen^.elpPenStyle or PS_ENDCAP_SQUARE;
kCGLineCapButt:
AExtLogPen^.elpPenStyle := AExtLogPen^.elpPenStyle or PS_ENDCAP_FLAT;
end;
AExtLogPen^.elpWidth := APen.Width;
end
else
AExtLogPen^.elpWidth := 1;
AExtLogPen^.elpBrushStyle := BS_SOLID;
AExtLogPen^.elpColor := APen.ColorRef;
AExtLogPen^.elpHatch := 0;
AExtLogPen^.elpNumEntries := Length(APen.Dashes);
if AExtLogPen^.elpNumEntries > 0 then
begin
for i := 0 to AExtLogPen^.elpNumEntries - 1 do
PDword(@AExtLogPen^.elpStyleEntry)[i] := Trunc(APen.Dashes[i]);
end
else
AExtLogPen^.elpStyleEntry[0] := 0;
end;
end
else
begin
if Buf = nil then
Result := SizeOf(TLogPen)
else
if BufSize >= SizeOf(TLogPen) then
begin
Result := SizeOf(TLogPen);
ALogPen^.lopnStyle := APen.Style;
ALogPen^.lopnWidth := Types.Point(APen.Width, 0);
ALogPen^.lopnColor := APen.ColorRef;
end;
end;
end
end;
function TCocoaWidgetSet.GetParent(Handle : HWND): HWND;
begin
if Handle<>0 then

2
lcl/interfaces/cocoa/cocoawinapih.inc
View File

@ -108,7 +108,7 @@ function GetFocus: HWND; override;
function GetForegroundWindow: HWND; override;
{function GetKeyState(nVirtKey: Integer): Smallint; override;}
function GetMonitorInfo(hMonitor: HMONITOR; lpmi: PMonitorInfo): Boolean; override;
{function GetObject(GDIObj: HGDIOBJ; BufSize: Integer; Buf: Pointer): Integer; override;}
function GetObject(GDIObj: HGDIOBJ; BufSize: Integer; Buf: Pointer): Integer; override;
function GetParent(Handle: HWND): HWND; override;
function GetProp(Handle: hwnd; Str: PChar): Pointer; override;
function GetRgnBox(RGN: HRGN; lpRect: PRect) : Longint; override;