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Almathera Ten Pack 3: CDPD 3
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Example3.c
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C/C++ Source or Header
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1990-01-30
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3KB
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106 lines
/* Example3 */
/* This program will open a low-resolution, non-Interlaced, eight colour */
/* Custom Screen. It will use the TOPAZ_SIXTY Italic style as default */
/* font. */
/* If your program is using Intuition you should include intuition.h: */
#include <intuition/intuition.h>
struct IntuitionBase *IntuitionBase;
/* Declare and initialize the TextAttr structure: */
struct TextAttr my_font=
{
"topaz.font", /* Font Name Topaz */
TOPAZ_SIXTY, /* Font Height 64/32 character, 9 lines tall */
FSF_ITALIC, /* Style Italic */
FPF_ROMFONT /* Preferences The font exist in ROM */
};
/* Style: */
/* FS_NORMAL : Normal style. */
/* FSF_ITALIC : Italic style. */
/* FSF_BOLD : Bold style. */
/* FSF_UNDERLINED : Underlined. */
/* FSF_EXTENDED : Extended style (wider than normal) */
/* See file graphics/text.h for more information. */
/* 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.*/
320, /* Width We are using a low-resolution screen. */
200, /* Height Non-Interlaced NTSC (American) display. */
3, /* Depth 8 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. */
&my_font, /* Font Topaz 60 (Italic style) font. */
"MY SCREEN", /* 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 screen: */
my_screen = (struct Screen *) OpenScreen( &my_new_screen );
/* The "(struct Screen *)" is not necessary but it tells the compiler */
/* that the function OpenScreen() returns a pointer to a Screen */
/* structure. (See chapter "Amiga C" for more information) */
/* 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();
}
/* We have opened the screen, and everything seems to be OK. */
/* Wait for 30 seconds: */
Delay( 50 * 30);
/* We should always close the screens we have opened before we leave: */
CloseScreen( my_screen );
/* Close the Intuition Library since we have opened it: */
CloseLibrary( IntuitionBase );
/* THE END */
}