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- /*
- ** GadTools layout toolkit
- **
- ** Copyright © 1993-1996 by Olaf `Olsen' Barthel
- ** Freely distributable.
- **
- ** :ts=4
- */
-
- #ifndef _GTLAYOUT_GLOBAL_H
- #include "gtlayout_global.h"
- #endif
-
- #ifdef DO_TAPEDECK_KIND
- VOID
- LTP_DrawPrevNext(struct RastPort *RPort,BOOL Prev,LONG Left,LONG Top,LONG Width,LONG Height)
- {
- LONG i,Len,Start,ArrowWidth,ArrowHeight,LineWidth,Pos;
-
- LineWidth = (Width + 15) / 16;
- ArrowWidth = Width;
- ArrowHeight = Height;
- Left = Left - (LineWidth / 2);
-
- for(i = 0 ; i < ArrowWidth ; i++)
- {
- Len = ((ArrowHeight * (i + 1)) / ArrowWidth) & ~1;
-
- if(Len < ArrowHeight)
- Len++;
-
- Start = Top + (ArrowHeight - Len) / 2;
-
- if(Prev)
- Pos = Left + i;
- else
- Pos = Left + ArrowWidth - 1 - i;
-
- LTP_DrawLine(RPort,Pos,Start,Pos,Start + Len - 1);
- }
-
- for(i = 0 ; i < LineWidth ; i++)
- {
- if(Prev)
- Pos = Left + i;
- else
- Pos = Left + ArrowWidth - 1 - i;
-
- LTP_DrawLine(RPort,Pos,Top,Pos,Top + Height - 1);
- }
- }
- #endif /* DO_TAPEDECK_KIND */
-