function drawCanvasImage(obj,width, callback){ var $canvas = $('<canvas></canvas>'), canvas = $canvas[0], context = canvas.getContext('2d'); var img = new Image(); img.onload = function(){ if(width){ if(width > img.width){ var target_w = im
procedure TForm1.Stringgrid1DrawCell(Sender: TObject; ACol, ARow: Integer; Rect: TRect; State: TGridDrawState); begin with Sender as TStringGrid do begin Canvas.FillRect(Rect); DrawText(Canvas.Handle, Pchar(Cells[ACol, ARow]), Length(Cells[ACol, ARow
LRESULT CALLBACK WindowProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam ); Parameters wParam This parameter is not used. lParam This parameter is not used. Delphi里去掉句柄之后重定义: TWMPaint = packed record Msg: Cardinal; DC: HDC; Unused: Longint; Re