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- /***********************************************************/
- /* */
- /* Amiga C Encyclopedia (ACE) V3.0 Amiga C Club (ACC) */
- /* ------------------------------- ------------------ */
- /* */
- /* Book: ACM Intuition Amiga C Club */
- /* Chapter: Windows Tulevagen 22 */
- /* File: Example2.c 181 41 LIDINGO */
- /* Author: Anders Bjerin SWEDEN */
- /* Date: 92-05-01 */
- /* Version: 1.10 */
- /* */
- /* Copyright 1992, Anders Bjerin - Amiga C Club (ACC) */
- /* */
- /* Registered members may use this program freely in their */
- /* own commercial/noncommercial programs/articles. */
- /* */
- /***********************************************************/
-
- /* This program will open a high resolution 16 colour Custom Screen */
- /* and a normal window which is connected to it. It will display it */
- /* for 30 seconds, and then close the Custom Screen and the window. */
-
-
-
- /* If your program is using Intuition you should include intuition.h: */
- #include <intuition/intuition.h>
-
-
-
- struct IntuitionBase *IntuitionBase;
-
-
-
- /* Declare a pointer to a Screen structure: */
- struct Screen *my_screen;
-
- /* Declare and initialize your NewScreen structure: */
- struct NewScreen my_new_screen=
- {
- 0, /* LeftEdge Should always be 0. */
- 0, /* TopEdge Top of the display.*/
- 640, /* Width We are using a high-resolution screen. */
- 200, /* Height Non-Interlaced NTSC (American) display. */
- 4, /* Depth 16 colours. */
- 0, /* DetailPen Text should be drawn with colour reg. 0 */
- 1, /* BlockPen Blocks should be drawn with colour reg. 1 */
- HIRES, /* ViewModes High-resolution. (Non-Interlaced) */
- CUSTOMSCREEN, /* Type Your own customized screen. */
- NULL, /* Font Default font. */
- "MY SCREEN", /* Title The screen' title. */
- NULL, /* Gadget Must for the moment be NULL. */
- NULL /* BitMap No special CustomBitMap. */
- };
-
-
-
-
- /* Declare a pointer to a Window structure: */
- struct Window *my_window;
-
- /* Declare and initialize your NewWindow structure: */
- struct NewWindow my_new_window=
- {
- 50, /* LeftEdge x position of the window. */
- 25, /* TopEdge y positio of the window. */
- 150, /* Width 150 pixels wide. */
- 100, /* Height 100 lines high. */
- 0, /* DetailPen Text should be drawn with colour reg. 0 */
- 1, /* BlockPen Blocks should be drawn with colour reg. 1 */
- NULL, /* IDCMPFlags No IDCMP flags. */
- SMART_REFRESH, /* Flags Intuition should refresh the window. */
- NULL, /* FirstGadget No Custom Gadgets. */
- NULL, /* CheckMark Use Intuition's default CheckMark (v). */
- "MY WINDOW", /* Title Title of the window. */
- NULL, /* Screen We will later connect it to the screen. */
- NULL, /* BitMap No Custom BitMap. */
- 0, /* MinWidth We do not need to care about these */
- 0, /* MinHeight since we havent supplied the window with */
- 0, /* MaxWidth a Sizing Gadget. */
- 0, /* MaxHeight */
- CUSTOMSCREEN /* Type Connected to a Custom Screen. */
- };
-
-
-
- main()
- {
- /* Open the Intuition Library: */
- IntuitionBase = (struct IntuitionBase *)
- OpenLibrary( "intuition.library", 0 );
-
- if( IntuitionBase == NULL )
- exit(); /* Could NOT open the Intuition Library! */
-
-
-
- /* We will now try to open the screen: */
- my_screen = (struct Screen *) OpenScreen( &my_new_screen );
-
- /* Have we opened the screen succesfully? */
- if(my_screen == NULL)
- {
- /* Could NOT open the Screen! */
-
- /* Close the Intuition Library since we have opened it: */
- CloseLibrary( IntuitionBase );
-
- exit();
- }
-
-
-
- /* Before we can open the window we need to give the NewWindow */
- /* structure a pointer to the opened Custom Screen: */
- my_new_window.Screen = my_screen;
-
-
-
- /* We will now try to open the window: */
- my_window = (struct Window *) OpenWindow( &my_new_window );
-
- /* Have we opened the window succesfully? */
- if(my_window == NULL)
- {
- /* Could NOT open the Window! */
-
- /* Close the screen since we have opened it: */
- CloseScreen( my_screen );
-
- /* Close the Intuition Library since we have opened it: */
- CloseLibrary( IntuitionBase );
-
- exit();
- }
-
-
-
- /* We have opened the window, and everything seems to be OK. */
- /* Wait for 30 seconds: */
- Delay( 50 * 30);
-
-
-
- /* We should always close what we have opened: */
- CloseWindow( my_window );
-
- /* Remember that all windows connected to a screen must be closed */
- /* before you may close the screen! */
- CloseScreen( my_screen );
-
-
-
- /* Close the Intuition Library since we have opened it: */
- CloseLibrary( IntuitionBase );
-
- /* THE END */
- }