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Example5.c
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C/C++ Source or Header
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1990-01-30
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4KB
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142 lines
/* Example5 */
/* 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 */
}