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- /***********************************************************/
- /* */
- /* Amiga C Encyclopedia (ACE) V3.0 Amiga C Club (ACC) */
- /* ------------------------------- ------------------ */
- /* */
- /* Book: ACM Intuition Amiga C Club */
- /* Chapter: Screens Tulevagen 22 */
- /* File: Example5.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 two screens, one (low-resolution 32 colours) */
- /* at the top of the display, and the other one (high-resolution 16 */
- /* colours) a bit further down. After 10 seconds the low-resolution */
- /* screen will move down 75 lines. After another 10 seconds it will be */
- /* put in front of all other screens. 10 seconds later it will move */
- /* down another 75 lines. The program will wait 10 seconds before the */
- /* screens are closed and the program exits. */
-
-
- /* If your program is using Intuition you should include intuition.h: */
- #include <intuition/intuition.h>
-
-
-
- struct IntuitionBase *IntuitionBase;
-
-
-
- /* Declare two pointer to a Screen structure: */
- struct Screen *my_screen1;
- struct Screen *my_screen2;
-
- /* Declare and initialize your NewScreen structure for screen 1: */
- struct NewScreen my_new_screen1=
- {
- 0, /* LeftEdge Should always be 0. */
- 0, /* TopEdge Top of the display.*/
- 320, /* Width We are using a low-resolution screen. */
- 100, /* Height */
- 5, /* Depth 32 colours. */
- 0, /* DetailPen Text should be drawn with colour reg. 0 */
- 1, /* BlockPen Blocks should be drawn with colour reg. 1 */
- NULL, /* ViewModes No special modes. (Low-res, Non-Interlaced) */
- CUSTOMSCREEN, /* Type Your own customized screen. */
- NULL, /* Font Default font. */
- "MY SCREEN1", /* Title The screen' title. */
- NULL, /* Gadget Must for the moment be NULL. */
- NULL /* BitMap No special CustomBitMap. */
- };
-
- /* Declare and initialize your NewScreen structure for screen 2: */
- struct NewScreen my_new_screen2=
- {
- 0, /* LeftEdge Should always be 0. */
- 105, /* TopEdge Top of the display.*/
- 640, /* Width We are using a low-resolution screen. */
- 95, /* Height */
- 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 SCREEN2", /* Title The screen' title. */
- NULL, /* Gadget Must for the moment be NULL. */
- NULL /* BitMap No special CustomBitMap. */
- };
-
-
-
- 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 first screen: */
- my_screen1 = (struct Screen *) OpenScreen( &my_new_screen1 );
-
- /* Have we opened screen1 succesfully? */
- if(my_screen1 == NULL)
- {
- /* Could NOT open the Screen1! */
-
- /* Close the Intuition Library since we have opened it: */
- CloseLibrary( IntuitionBase );
-
- exit();
- }
-
-
-
- /* We will now try to open the second screen: */
- my_screen2 = (struct Screen *) OpenScreen( &my_new_screen2 );
-
- /* Have we opened screen2 succesfully? */
- if(my_screen2 == NULL)
- {
- /* Could NOT open Screen2! */
-
- /* Close Screen1 before we leave since we have opened it: */
- CloseScreen( my_screen1 );
-
- /* Close the Intuition Library since we have opened it: */
- CloseLibrary( IntuitionBase );
-
- exit();
- }
-
-
-
- /* We have opened the screens, and everything seems to be OK. */
-
- /* Wait for 10 seconds: */
- Delay( 50 * 10);
-
- /* Move the low-resolution screen down 75 lines: */
- MoveScreen( my_screen1, 0, 75 );
-
- /* Wait for 10 seconds: */
- Delay( 50 * 10);
-
- /* Put the low-resolution screen in front of all other screens: */
- ScreenToFront( my_screen1 );
-
- /* Wait for 10 seconds: */
- Delay( 50 * 10);
-
- /* Move the low-resolution screen down another 75 lines: */
- MoveScreen( my_screen1, 0, 75 );
-
- /* Wait for 10 seconds: */
- Delay( 50 * 10);
-
-
- /* We should always close the screens we have opened before we leave: */
- CloseScreen( my_screen2 );
- CloseScreen( my_screen1 );
-
-
-
- /* Close the Intuition Library since we have opened it: */
- CloseLibrary( IntuitionBase );
-
- /* THE END */
- }