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- program GDITEST54;
-
- uses
- Windows,
- Messages,
- SysUtils,
- GDIPAPI,
- GDIPOBJ;
-
- Procedure OnPaint(DC: HDC);
- var
- graphics : TGPGraphics;
- str: String;
- fontFamily: TGPFontFamily;
- font: TGPFont;
- rectF: TGPRectF;
- stringFormat: TGPStringFormat;
- solidBrush: TGPSolidBrush;
- pen: TGPPen;
- begin
- graphics := TGPGraphics.Create(DC);
- str := 'Use StringFormat and RectF objects to center text in a rectangle.';
-
- fontFamily:= TGPFontFamily.Create('Arial');
- font:= TGPFont.Create(fontFamily, 12, FontStyleBold, UnitPoint);
- rectF:= MakeRect(30.0, 10.0, 120.0, 140.0);
- stringFormat:= TGPStringFormat.Create;
- solidBrush:= TGPSolidBrush.Create(MakeColor(255, 0, 0, 255));
-
- // Center-justify each line of text.
- stringFormat.SetAlignment(StringAlignmentCenter);
-
- // Center the block of text (top to bottom) in the rectangle.
- stringFormat.SetLineAlignment(StringAlignmentCenter);
-
- graphics.DrawString(str, -1, font, rectF, stringFormat, solidBrush);
-
- pen:= TGPPen.Create(MakeColor(255, 0, 0, 0));
- graphics.DrawRectangle(pen, rectF);
-
- fontFamily.Free;
- font.Free;
- stringFormat.Free;
- solidBrush.Free;
- pen.Free;
- graphics.Free;
- end;
-
-
- function WndProc(Wnd : HWND; message : UINT; wParam : Integer; lParam: Integer) : Integer; stdcall;
- var
- Handle: HDC;
- ps: PAINTSTRUCT;
- begin
- case message of
- WM_PAINT:
- begin
- Handle := BeginPaint(Wnd, ps);
- OnPaint(Handle);
- EndPaint(Wnd, ps);
- result := 0;
- end;
-
- WM_DESTROY:
- begin
- PostQuitMessage(0);
- result := 0;
- end;
-
- else
- result := DefWindowProc(Wnd, message, wParam, lParam);
- end;
- end;
-
- var
- hWnd : THandle;
- Msg : TMsg;
- wndClass : TWndClass;
- begin
- wndClass.style := CS_HREDRAW or CS_VREDRAW;
- wndClass.lpfnWndProc := @WndProc;
- wndClass.cbClsExtra := 0;
- wndClass.cbWndExtra := 0;
- wndClass.hInstance := hInstance;
- wndClass.hIcon := LoadIcon(0, IDI_APPLICATION);
- wndClass.hCursor := LoadCursor(0, IDC_ARROW);
- wndClass.hbrBackground := HBRUSH(GetStockObject(WHITE_BRUSH));
- wndClass.lpszMenuName := nil;
- wndClass.lpszClassName := 'GettingStarted';
-
- RegisterClass(wndClass);
-
- hWnd := CreateWindow(
- 'GettingStarted', // window class name
- 'Formatting Text', // window caption
- WS_OVERLAPPEDWINDOW, // window style
- Integer(CW_USEDEFAULT), // initial x position
- Integer(CW_USEDEFAULT), // initial y position
- Integer(CW_USEDEFAULT), // initial x size
- Integer(CW_USEDEFAULT), // initial y size
- 0, // parent window handle
- 0, // window menu handle
- hInstance, // program instance handle
- nil); // creation parameters
-
- ShowWindow(hWnd, SW_SHOW);
- UpdateWindow(hWnd);
-
- while(GetMessage(msg, 0, 0, 0)) do
- begin
- TranslateMessage(msg);
- DispatchMessage(msg);
- end;
- end.
-