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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: Example8.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 SuperBitMap window which is connected to the */
- /* Workbench Screen. Since it is a SuperBitMap we also make the window */
- /* into a Gimmezerozero window. The window will use all System Gadgets, */
- /* and some boxes will be drawn. It will display the window for 30 */
- /* seconds, and then close it. */
-
-
-
- /* If your program is using Intuition you should include intuition.h: */
- #include <intuition/intuition.h>
-
-
-
- #define WIDTH 320
- #define HEIGHT 150
- #define DEPTH 2
-
-
-
- struct IntuitionBase *IntuitionBase;
- struct GfxBase *GfxBase;
-
-
-
- /*************************************************************/
- /* 1. Declare and initialize a NewWindow structure with your */
- /* requirements: */
- /*************************************************************/
-
- /* Declare a pointer to a Window structure: */
- struct Window *my_window;
-
- /* Declare and initialize your NewWindow structure: */
- struct NewWindow my_new_window=
- {
- 10, /* LeftEdge x position of the window. */
- 30, /* TopEdge y positio of the window. */
- 200, /* Width 200 pixels wide. */
- 50, /* Height 50 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. */
- SUPER_BITMAP| /* Flags SuperBitMap. (No refreshing necessary) */
- GIMMEZEROZERO| /* It is also a Gimmezerozero window. */
- WINDOWCLOSE| /* Close Gadget. */
- WINDOWDRAG| /* Drag gadget. */
- WINDOWDEPTH| /* Depth arrange Gadgets. */
- WINDOWSIZING| /* Sizing Gadget. */
- ACTIVATE, /* The window should be Active when opened. */
- NULL, /* FirstGadget No Custom Gadgets. */
- NULL, /* CheckMark Use Intuition's default CheckMark (v). */
- "SuperBitMap", /* Title Title of the window. */
- NULL, /* Screen Connected to the Workbench Screen. */
- NULL, /* BitMap We will change this later. */
- 80, /* MinWidth We will not allow the window to become */
- 30, /* MinHeight smaller than 80 x 30, and not bigger */
- WIDTH, /* MaxWidth than 320 x 150. */
- HEIGHT, /* MaxHeight */
- WBENCHSCREEN /* Type Connected to the Workbench Screen. */
- };
-
-
-
- /**********************************/
- /* 2. Declare a BitMap structure: */
- /**********************************/
-
- struct BitMap my_bitmap;
-
-
-
- main()
- {
- int loop;
-
- /* Open the Intuition Library: */
- IntuitionBase = (struct IntuitionBase *)
- OpenLibrary( "intuition.library", 0 );
-
- if( IntuitionBase == NULL )
- exit(); /* Could NOT open the Intuition Library! */
-
-
-
- /* Open the Graphics Library: */
- GfxBase = (struct GfxBase *)
- OpenLibrary( "graphics.library", 0);
-
- if( GfxBase == NULL )
- {
- /* Could NOT open the Graphics Library! */
-
- /* Close the Intuition Library since we have opened it: */
- CloseLibrary( IntuitionBase );
-
- exit();
- }
-
-
-
- /**********************************************************/
- /* 3. Initialize your own BitMap by calling the function: */
- /**********************************************************/
-
- InitBitMap( &my_bitmap, DEPTH, WIDTH, HEIGHT );
-
- /* &my_bitmap: A pointer to the my_bitmap structure. */
- /* DEPTH: Number of bitplanes to use. */
- /* WIDTH: The width of the BitMap. (Must be a multiple of 16) */
- /* HEIGHT: The height of the BitMap. */
-
-
-
- /**********************************************/
- /* 4. Allocate display memory for the BitMap: */
- /**********************************************/
-
- for( loop=0; loop < DEPTH; loop++)
- if((my_bitmap.Planes[loop] = (PLANEPTR)
- AllocRaster( WIDTH, HEIGHT )) == NULL )
- {
- /* PANIC! Not enough memory */
-
- /* Deallocate the display memory, Bitplan by Bitplan. */
- for( loop=0; loop < DEPTH; loop++)
- if( my_bitmap.Planes[loop] ) /* Deallocate this Bitplan? */
- FreeRaster( my_bitmap.Planes[loop], WIDTH, HEIGHT );
-
- /* Close the Graphics Library since we have opened it: */
- CloseLibrary( GfxBase );
-
- /* Close the Intuition Library since we have opened it: */
- CloseLibrary( IntuitionBase );
-
- exit();
- }
-
- /* The (PLANEPTR) is not necessary, but you will now not recieve any */
- /* warnings messages about "pointers do not point to same type of */
- /* object". This is because my_bitmap.Planes expects to get a */
- /* memory pointer to some display memory (PLANEPTR), while AllocRaster */
- /* returns an APTR (memory pointer). It is actually no difference */
- /* between them, but two different names (declarartions) makes the */
- /* paranoid C compiler worried. To calm it down we make this "casting" */
-
-
-
- /***************************/
- /* 5. Clear all Bitplanes: */
- /***************************/
-
- for( loop=0; loop < DEPTH; loop++)
- BltClear( my_bitmap.Planes[loop], RASSIZE( WIDTH, HEIGHT ), 0);
-
- /* The memory we allocated for the Bitplanes, is normaly "dirty", and */
- /* therefore needs cleaning. We can here use the Blitter to clear the */
- /* memory since it is the fastest way to do it, and the easiest. */
- /* RASSIZE is a macro which calculates memory size for a Bitplane of */
- /* the size WIDTH x HEIGHT. We will later go into more details about */
- /* these functions etc, so do not worry about them... yet. */
-
-
-
- /*******************************************************************/
- /* 6. Make sure the NewWindow's BitMap pointer is pointing to your */
- /* BitMap structure: */
- /*******************************************************************/
-
- my_new_window.BitMap=&my_bitmap;
-
-
-
- /***************************************/
- /* 7. At last you can 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! */
-
- /* Deallocate the display memory, Bitplan by Bitplan. */
- for( loop=0; loop < DEPTH; loop++)
- if( my_bitmap.Planes[loop] ) /* Deallocate this Bitplan? */
- FreeRaster( my_bitmap.Planes[loop], WIDTH, HEIGHT );
-
- /* Close the Graphics Library since we have opened it: */
- CloseLibrary( GfxBase );
-
- /* Close the Intuition Library since we have opened it: */
- CloseLibrary( IntuitionBase );
-
- exit();
- }
-
-
-
- /* Do not bother aboute these commands, since I will explain more */
- /* about them later. I have included them here since I want to put */
- /* some graphics into the window, so you can see how a SuperBitMap */
- /* window works. (Shrink the window, and then enlarge it again, and */
- /* you will noticed that the lines are still there!) */
-
- SetDrMd( my_window->RPort, JAM1 );
-
- SetAPen( my_window->RPort, 1 );
- Move( my_window->RPort, 10, 10 );
- Draw( my_window->RPort, 100, 10 );
- Draw( my_window->RPort, 100, 100 );
- Draw( my_window->RPort, 10, 100 );
- Draw( my_window->RPort, 10, 10 );
-
- SetAPen( my_window->RPort, 2 );
- Move( my_window->RPort, 12, 12 );
- Draw( my_window->RPort, 98, 12 );
- Draw( my_window->RPort, 98, 98 );
- Draw( my_window->RPort, 12, 98 );
- Draw( my_window->RPort, 12, 12 );
-
- SetAPen( my_window->RPort, 3 );
- Move( my_window->RPort, 14, 14 );
- Draw( my_window->RPort, 96, 14 );
- Draw( my_window->RPort, 96, 96 );
- Draw( my_window->RPort, 14, 96 );
- Draw( my_window->RPort, 14, 14 );
-
-
-
- /* We have opened the window, and everything seems to be OK. */
- /* Wait for 30 seconds: */
- Delay( 50 * 30);
-
-
-
- /********************************************************************/
- /* 8. Do not forget to close the window, AND deallocate the display */
- /* memory: */
- /********************************************************************/
-
- /* We should always close the windows we have opened before we leave: */
- CloseWindow( my_window );
-
- /* Deallocate the display memory, Bitplan by Bitplan. */
- for( loop=0; loop < DEPTH; loop++)
- if( my_bitmap.Planes[loop] ) /* Deallocate this Bitplan? */
- FreeRaster( my_bitmap.Planes[loop], WIDTH, HEIGHT );
-
-
-
- /* Close the Graphics Library since we have opened it: */
- CloseLibrary( GfxBase );
-
- /* Close the Intuition Library since we have opened it: */
- CloseLibrary( IntuitionBase );
-
- /* THE END */
- }