[lcd4linux @ 2004-01-20 05:36:59 by reinelt]

moved text-display-specific stuff to drv_generic_text
moved all the bar stuff from drv_generic_bar to generic_text

1 files changed, 0 insertions, 471 deletions

diff --git a/drv_generic_bar.c b/drv_generic_bar.c
deleted file mode 100644
index 0bf3f7e..0000000
--- a/drv_generic_bar.c
+++ /dev/null
@@ -1,471 +0,0 @@
-/* $Id: drv_generic_bar.c,v 1.1 2004/01/20 04:51:39 reinelt Exp $
- *
- * generic driver helper for bar creation
- *
- * Copyright 1999, 2000 Michael Reinelt <reinelt@eunet.at>
- * Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
- *
- * This file is part of LCD4Linux.
- *
- * LCD4Linux is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * LCD4Linux is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- *
- * $Log: drv_generic_bar.c,v $
- * Revision 1.1  2004/01/20 04:51:39  reinelt
- * moved generic stuff from drv_MatrixOrbital to drv_generic
- * implemented new-stylish bars which are nearly finished
- *
- */
-
-/* 
- *
- * exported fuctions:
- *
- * Fixme: document me!
- *
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "debug.h"
-#include "drv.h"
-#include "widget.h"
-#include "widget_bar.h"
-#include "drv_generic.h"
-#include "drv_generic_bar.h"
-
-
-typedef struct {
-  int val1;
-  int val2;
-  DIRECTION dir;
-  int segment;
-} BAR;
-
-typedef struct {
-  int val1;
-  int val2;
-  DIRECTION dir;
-  int used;
-  int ascii;
-} SEGMENT;
-
-
-static int RES;
-
-static int nSegment=0;
-static int fSegment=0;
-static SEGMENT Segment[128];
-
-static BAR *Bar=NULL;
-
-
-int drv_generic_text_bar_init (void)
-{
-  if (Bar) free (Bar);
-  
-  if ((Bar=malloc (LROWS*LCOLS*sizeof(BAR)))==NULL) {
-    error ("bar buffer allocation failed: out of memory");
-    return -1;
-  }
-  
-  nSegment=0;
-  fSegment=0;
-  
-  drv_generic_text_bar_clear();
-  
-  return 0;
-}
-
-
-void drv_generic_text_bar_clear(void)
-{
-  int i;
-  
-  for (i=0; i<LROWS*LCOLS; i++) {
-    Bar[i].val1    = -1;
-    Bar[i].val2    = -1;
-    Bar[i].dir     =  0;
-    Bar[i].segment = -1;
-  }
-
-  for (i=0; i<nSegment;i++) {
-    Segment[i].used = 0;
-  }
-}
-
-
-void drv_generic_text_bar_add_segment(int val1, int val2, DIRECTION dir, int ascii)
-{
-  Segment[fSegment].val1=val1;
-  Segment[fSegment].val2=val2;
-  Segment[fSegment].dir=dir;
-  Segment[fSegment].used=0;
-  Segment[fSegment].ascii=ascii;
-  
-  fSegment++;
-  nSegment=fSegment;
-}
-
-
-static void drv_generic_text_bar_create_bar (int row, int col, DIRECTION dir, int len, int val1, int val2)
-{
-  int rev=0;
-  
-  switch (dir) {
-  case DIR_WEST:
-    val1 = len-val1;
-    val2 = len-val2;
-    rev  = 1;
-    
-  case DIR_EAST:
-    while (len > 0 && col < LCOLS) {
-      Bar[row*LCOLS+col].dir=dir;
-      Bar[row*LCOLS+col].segment=-1;
-      if (val1 >= XRES) {
-	Bar[row*LCOLS+col].val1 = rev?0:XRES;
-	val1 -= XRES;
-      } else {
-	Bar[row*LCOLS+col].val1 = rev?XRES-val1:val1;
-	val1 = 0;
-      }
-      if (val2 >= XRES) {
-	Bar[row*LCOLS+col].val2 = rev?0:XRES;
-	val2 -= XRES;
-      } else {
-	Bar[row*LCOLS+col].val2 = rev?XRES-val2:val2;
-	val2 = 0;
-      }
-      len--;
-      col++;
-    }
-    break;
-    
-  case DIR_SOUTH:
-    val1 = len-val1;
-    val2 = len-val2;
-    rev  = 1;
-    
-  case DIR_NORTH:
-    while (len > 0 && row < LROWS) {
-      Bar[row*LCOLS+col].dir=dir;
-      Bar[row*LCOLS+col].segment=-1;
-      if (val1 >= YRES) {
-	Bar[row*LCOLS+col].val1 = rev?0:YRES;
-	val1 -= YRES;
-      } else {
-	Bar[row*LCOLS+col].val1 = rev?YRES-val1:val1;
-	val1 = 0;
-      }
-      if (val2 >= YRES) {
-	Bar[row*LCOLS+col].val2 = rev?0:YRES;
-	val2 -= YRES;
-      } else {
-	Bar[row*LCOLS+col].val2 = rev?YRES-val2:val2;
-	val2 = 0;
-      }
-      len--;
-      row++;
-    }
-    break;
-    
-  }
-}
-
-
-static void drv_generic_text_bar_create_segments (void)
-{
-  int i, j, n;
-  int res, l1, l2;
-  
-  /* find first unused segment */
-  for (i=fSegment; i<nSegment && Segment[i].used; i++);
-  
-  /* pack unused segments */
-  for (j=i+1; j<nSegment; j++) {
-    if (Segment[j].used)
-      Segment[i++]=Segment[j];
-  }
-  nSegment=i;
-  
-  /* create needed segments */
-  for (n=0; n<LROWS*LCOLS; n++) {
-    if (Bar[n].dir==0) continue;
-    res=Bar[n].dir & (DIR_EAST|DIR_WEST) ? XRES:YRES;
-    for (i=0; i<nSegment; i++) {
-      if (Segment[i].dir & Bar[n].dir) {
-	l1 = Segment[i].val1; if (l1>RES) l1=RES;
-	l2 = Segment[i].val2; if (l2>RES) l2=RES;
-	if (l1 == Bar[n].val1 && l2 == Bar[n].val2) break;
-      }
-    }
-    if (i==nSegment) {
-      nSegment++;
-      Segment[i].val1=Bar[n].val1;
-      Segment[i].val2=Bar[n].val2;
-      Segment[i].dir=Bar[n].dir;
-      Segment[i].used=0;
-      Segment[i].ascii=-1;
-    }
-    Bar[n].segment=i;
-  }
-}
-
-
-static int drv_generic_text_bar_segment_error (int i, int j)
-{
-  int res;
-  int i1, i2, j1, j2;
-  
-  if (i==j) return 65535;
-  if (!(Segment[i].dir & Segment[j].dir)) return 65535;
-  
-  res = Segment[i].dir&(DIR_EAST|DIR_WEST) ? XRES:YRES;
-  
-  i1=Segment[i].val1; if (i1>res) i1=res;
-  i2=Segment[i].val2; if (i2>res) i2=res;
-  j1=Segment[j].val1; if (j1>res) j1=res;
-  j2=Segment[j].val2; if (j2>res) j2=res;
-  
-  if (i1==0   && j1!=0)  return 65535;
-  if (i2==0   && j2!=0)  return 65535;
-  if (i1==res && j1<res) return 65535;
-  if (i2==res && j2<res) return 65535;
-  if (i1==1   && j1!=1 && i2 > 0)  return 65535;
-  if (i2==1   && j2!=1 && j1 > 0)  return 65535;
-  if (i1==i2  && j1!=j2) return 65535;
-  
-  return (i1-j1)*(i1-j1)+(i2-j2)*(i2-j2);
-}
-
-
-static void drv_generic_text_bar_pack_segments (void)
-{
-  int i, j, n, min;
-  int pack_i, pack_j;
-  int pass1=1;
-  int error[nSegment][nSegment];
-  
-  if (nSegment<=fSegment+CHARS) {
-    return;
-  }
-  
-  for (i=0; i<nSegment; i++) {
-    for (j=0; j<nSegment; j++) {
-      error[i][j]=drv_generic_text_bar_segment_error(i,j);
-    }
-  }
-  
-  while (nSegment>fSegment+CHARS) {
-    
-    min=65535;
-    pack_i=-1;
-    pack_j=-1;
-    for (i=fSegment; i<nSegment; i++) {
-      if (pass1 && Segment[i].used) continue;
-      for (j=0; j<nSegment; j++) {
-	if (error[i][j]<min) {
-	  min=error[i][j];
-	  pack_i=i;
-	  pack_j=j;
-	}
-      }
-    }
-    if (pack_i==-1) {
-      if (pass1) {
-	pass1=0;
-	continue;
-      } else {
-	error ("unable to compact bar characters");
-	nSegment=CHARS;
-	break;
-      }
-    } 
-
-#if 1
-    debug ("pack_segment: n=%d i=%d j=%d min=%d", nSegment, pack_i, pack_j, min);
-    debug ("Pack_segment: i1=%d i2=%d j1=%d j2=%d\n", 
-	   Segment[pack_i].val1, Segment[pack_i].val2, 
-	   Segment[pack_j].val1, Segment[pack_j].val2);
-#endif
-    
-    nSegment--;
-    Segment[pack_i]=Segment[nSegment];
-    
-    for (i=0; i<nSegment; i++) {
-      error[pack_i][i]=error[nSegment][i];
-      error[i][pack_i]=error[i][nSegment];
-    }
-    
-    for (n=0; n<LROWS*LCOLS; n++) {
-      if (Bar[n].segment==pack_i)   Bar[n].segment=pack_j;
-      if (Bar[n].segment==nSegment) Bar[n].segment=pack_i;
-    }
-  }
-}
-
-
-static void drv_generic_text_bar_define_chars (void(*defchar)(int ascii, char *matrix))
-{
-  int c, i, j;
-  char buffer[8];
-  
-  for (i=fSegment; i<nSegment; i++) {
-    if (Segment[i].used) continue;
-    if (Segment[i].ascii!=-1) continue;
-    for (c=0; c<CHARS; c++) {
-      for (j=fSegment; j<nSegment; j++) {
-	if (Segment[j].ascii==c) break;
-      }
-      if (j==nSegment) break;
-    }
-    Segment[i].ascii=c;
-    switch (Segment[i].dir) {
-    case DIR_EAST:
-      for (j=0; j<4; j++) {
-	buffer[j  ]=(1<<Segment[i].val1)-1;
-	buffer[j+4]=(1<<Segment[i].val2)-1;
-      }
-      break;
-    case DIR_WEST:
-      for (j=0; j<4; j++) {
-	buffer[j  ]=255<<(XRES-Segment[i].val1);
-	buffer[j+4]=255<<(XRES-Segment[i].val2);
-      }
-      break;
-    case DIR_NORTH:
-      for (j=0; j<Segment[i].val1; j++) {
-	buffer[7-j]=(1<<XRES)-1;
-      }
-      for (; j<YRES; j++) {
-	buffer[7-j]=0;
-      }
-      break;
-    case DIR_SOUTH:
-      for (j=0; j<Segment[i].val1; j++) {
-	buffer[j]=(1<<XRES)-1;
-      }
-      for (; j<YRES; j++) {
-	buffer[j]=0;
-      }
-      break;
-    }
-    defchar(c, buffer);
-  }
-}
-
-
-int drv_generic_text_draw_bar (WIDGET *W, int goto_len, 
-			       void (*drv_defchar)(int ascii, char *buffer),
-			       void (*drv_goto)(int row, int col), 
-			       void (*drv_write)(char *buffer, int len))
-{
-  WIDGET_BAR *B = W->data;
-  int row, col, len, max, val1, val2;
-  int c, n, s;
-  DIRECTION dir;
-  
-  row = W->row;
-  col = W->col;
-  dir = B->direction;
-  len = B->length;
-
-  // maybe grow layout framebuffer
-  // bars *always* grow heading North or East!
-  if (dir==DIR_EAST || dir==DIR_WEST) {
-    drv_generic_text_resizeFB (row, col+len-1);
-    RES = XRES;
-  } else {
-    drv_generic_text_resizeFB (row, col);
-    RES = YRES;
-  }
-  max  = len * RES;
-  val1 = B->val1 * (double)(max);
-  val2 = B->val2 * (double)(max);
-  
-  if      (val1<1)   val1=1;
-  else if (val1>max) val1=max;
-  
-  if      (val2<1)   val2=1;
-  else if (val2>max) val2=max;
-  
-  // create this bar
-  drv_generic_text_bar_create_bar (row, col, dir, len, val1, val2);
-
-  // process all bars
-  drv_generic_text_bar_create_segments ();
-  drv_generic_text_bar_pack_segments ();
-  drv_generic_text_bar_define_chars(drv_defchar);
-  
-  // reset usage flags
-  for (s=0; s<nSegment; s++) {
-    Segment[s].used=0;
-  }
-  
-  // set usage flags
-  for (n=0; n<LROWS*LCOLS; n++) {
-    if ((s=Bar[n].segment)!=-1) Segment[s].used=1;
-  }
-
-  // transfer bars into layout buffer
-  for (n=0; n<LCOLS*LROWS; n++) {
-    s=Bar[n].segment;
-    if (s==-1) continue;
-    c=Segment[s].ascii;
-    if (c==-1) continue;
-    if(c==LayoutFB[n]) continue;
-    LayoutFB[n]=c;
-  }
-  
-  // transfer differences to the display
-  for (row=0; row<DROWS; row++) {
-    for (col=0; col<DCOLS; col++) {
-      int pos1, pos2, equal;
-      if (LayoutFB[row*LCOLS+col]==DisplayFB[row*DCOLS+col]) continue;
-      drv_goto (row, col);
-      for (pos1=col, pos2=pos1, col++, equal=0; col<DCOLS; col++) {
-	if (LayoutFB[row*LCOLS+col]==DisplayFB[row*DCOLS+col]) {
-	  // If we find just one equal byte, we don't break, because this 
-	  // would require a goto, which takes several bytes, too.
-	  if (++equal>goto_len) break;
-	} else {
-	  pos2=col;
-	  equal=0;
-	}
-      }
-      memcpy    (DisplayFB+row*DCOLS+pos1, LayoutFB+row*LCOLS+pos1, pos2-pos1+1);
-      drv_write (DisplayFB+row*DCOLS+pos1,                          pos2-pos1+1);
-      debug ("Michi: bar(%d,%d) len=%d", row, pos1, pos2-pos1+1);
-    }
-  }
-  
-  return 0;
-
-}
-
-int drv_generic_text_bar_peek (int row, int col)
-{
-  int s;
-
-  s=Bar[row*LCOLS+col].segment;
-  if (s==-1) {
-    return -1;
-  } else {
-    return Segment[s].ascii;
-  }
-}
-