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AMIGA C MANUAL_v2.00
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CMAN1.LZH
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Graphics
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Example2.c
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C/C++ Source or Header
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1990-01-30
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5KB
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145 lines
/* Example2 */
/* This program will open a normal window which is connected to the */
/* Workbench Screen. We will then draw two rectangles with different */
/* colours. This shows how you can link Border structures to each */
/* other in order to get the desired effects. */
/* If your program is using Intuition you should include intuition.h: */
#include <intuition/intuition.h>
struct IntuitionBase *IntuitionBase;
/* Declare a pointer to a Window structure: */
struct Window *my_window;
/* Declare and initialize your NewWindow structure: */
struct NewWindow my_new_window=
{
40, /* LeftEdge x position of the window. */
20, /* TopEdge y positio of the window. */
250, /* Width 250 pixels wide. */
150, /* Height 150 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. */
WINDOWDRAG| /* Drag gadget. */
WINDOWDEPTH| /* Depth arrange Gadgets. */
ACTIVATE, /* The window should be Active when opened. */
NULL, /* FirstGadget No Custom Gadgets. */
NULL, /* CheckMark Use Intuition's default CheckMark (v). */
"RECTANGLES", /* Title Title of the window. */
NULL, /* Screen Connected to the Workbench Screen. */
NULL, /* BitMap No Custom BitMap. */
0, /* MinWidth We do not need to care about these */
0, /* MinHeight since we have not supplied the window */
0, /* MaxWidth with a Sizing Gadget. */
0, /* MaxHeight */
WBENCHSCREEN /* Type Connected to the Workbench Screen. */
};
/* The coordinates for the small rectangle: */
SHORT small_points[]=
{
0, 0, /* Start at position (0,0) */
80, 0, /* Draw a line to the right to position (80,0) */
80, 40, /* Draw a line down to position (80,40) */
0, 40, /* Draw a line to the left to position (0,40) */
0, 0 /* Finish of by drawing a line up to position (0,0) */
};
/* The coordinates for the big rectangle: */
SHORT big_points[]=
{
0, 0, /* Start at position (0,0) */
100, 0, /* Draw a line to the right to position (100,0) */
100, 50, /* Draw a line down to position (100,50) */
0, 50, /* Draw a line to the left to position (0,50) */
0, 0 /* Finish of by drawing a line up to position (0,0) */
};
/* The small Border structure: */
struct Border small_rectangle=
{
10, 5, /* LeftEdge, TopEdge. */
3, /* FrontPen, colour register 3. */
0, /* BackPen, for the moment unused. */
JAM1, /* DrawMode, draw the lines with colour 3. */
5, /* Count, 5 pair of coordinates in the array. */
small_points, /* XY, pointer to the array with the coordinates. */
NULL /* NextBorder, no other Border structures are connected. */
};
/* The BIG Border structure: */
struct Border big_rectangle=
{
0, 0, /* LeftEdge, TopEdge. */
1, /* FrontPen, colour register 1. */
0, /* BackPen, for the moment unused. */
JAM1, /* DrawMode, draw the lines with colour 1. */
5, /* Count, 5 pair of coordinates in the array. */
big_points, /* XY, pointer to the array with the coordinates. */
&small_rectangle /* NextBorder, pointing to the small_rectangle. */
};
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 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 Intuition Library since we have opened it: */
CloseLibrary( IntuitionBase );
exit();
}
/* Tell Intuition to draw the rectangles: */
DrawBorder( my_window->RPort, &big_rectangle, 10, 15 );
/* Wait for 30 seconds: */
Delay( 50 * 30);
/* We should always close the windows we have opened before we leave: */
CloseWindow( my_window );
/* Close the Intuition Library since we have opened it: */
CloseLibrary( IntuitionBase );
/* THE END */
}