Changeset 5700 for trunk/Ohana/src/kii/button/PSit.c

Timestamp:

Dec 5, 2005, 3:55:45 PM (21 years ago)

Author:

eugene

Message:

adding no-X version of JPEG, other features

File:

• trunk/Ohana/src/kii/button/PSit.c (modified) (3 diffs)

trunk/Ohana/src/kii/button/PSit.c

@@ -27 +27 @@
   }
   
+  if (!USE_XWINDOW) {
+    fprintf (stderr, "PS not working yet\n");
+    return (TRUE);
+  }
+
   scale = MIN ((500.0/(double)layout[0].picture.dx), (700.0/(double)layout[0].picture.dy));
   if (!Raw) {
@@ -63 +68 @@
 
   /******** First we draw the picture itself ********/
+  /* in !USE_XWINDOW, we'll have to change this to use the JPEG function */
   switch (graphic[0].Nbits) {
   case 8:
@@ -107 +113 @@
 }
 
+void ConvertPixmap (Layout *layout, File *f) {
+  
+  /* set up expansions */
+  expand = expand_in = expand_out = 1.0;
+  if (layout[0].expand == 0)
+    layout[0].expand = 1;
+  if (layout[0].expand > 0) {
+    expand = 1 / (1.0*layout[0].expand);
+    expand_out = layout[0].expand;
+    expand_in  = 1;
+  }
+  if (layout[0].expand < 0) {
+    expand = fabs((double)layout[0].expand);
+    expand_out = 1;
+    expand_in  = -layout[0].expand;
+  }
+
+  dx = layout[0].picture.dx;
+  dy = layout[0].picture.dy;
+  DX = layout[0].matrix.Naxis[0];
+  DY = layout[0].matrix.Naxis[1];
+
+  /* X,Y are the image coordinates of the first image pixel */
+  X = MAX(0.5*(DX - dx*expand) - layout[0].X, 0);
+  if ((int)X != X) 
+    X = (int) X + 1;
+  else 
+    X = (int) X;
+  Y = MAX(0.5*(DY - dy*expand) - layout[0].Y, 0);
+  if ((int)Y != Y) 
+    Y = (int) Y + 1;
+  else 
+    Y = (int) Y;
+
+  /* Rx,Ry are the screen coordinates of the first image pixel */
+  Rx = (X + layout[0].X - 0.5*DX)/expand + 0.5*dx;
+  Ry = (Y + layout[0].Y - 0.5*DY)/expand + 0.5*dy;
+
+  i_start = MIN (MAX (Rx, 0), dx - expand_out + 1);
+  j_start = MIN (MAX (Ry, 0), dy - expand_out + 1);
+  
+  if (layout[0].expand > 0) {
+    i_end = MAX (MIN (i_start + ((int)(expand*(dx-i_start)))/expand, expand_out*(DX-X) + Rx), 0);
+    j_end = MAX (MIN (j_start + ((int)(expand*(dy-j_start)))/expand, expand_out*(DY-Y) + Ry), 0);
+  } else {
+    i_end = MAX (MIN (dx, (DX-X)/expand + Rx), 0);
+    j_end = MAX (MIN (dy, (DY-Y)/expand + Ry), 0);
+  }    
+
+  dropback = expand_out - (i_end - i_start) % expand_out;
+  if ((i_end - i_start) % expand_out == 0) dropback = 0;
+
+  /* output line buffer */
+  ALLOCATE (line_buffer, char, dx);
+
+  in_pix_ref  = (unsigned char *) (layout[0].matrix.buffer) + DX*(int)MAX(Y,0) + (int)MAX(X,0);
+
+  /********** below we do the mapping from buffer pixels (in) to picture pixels (out) **********/
+
+  Nchar = 255.0;
+  Npix = layout[0].Npixels;
+  frac = Nchar / Npix;
+
+  /**** fill in bottom area ****/
+  out_pix = line_buffer;
+  for (i = 0; i < dx; i++, out_pix++) {
+    *out_pix = WHITE;
+  }
+  for (j = 0; j < j_start; j++) {
+    for (i = 0; i < dx; i++) {
+      fprintf (f, "%02x", val);
+      if ((Npt % 40) == 0) {
+        fprintf (f, "\n");
+      }
+    }
+  }
+  
+  /*** fill in the image data region ***/
+  for (j = j_start; j < j_end; j+= expand_out, in_pix_ref += expand_in*DX) {
+    
+    /* create one output image line */
+    in_pix = in_pix_ref;
+    out_pix = line_buffer;
+
+    /**** fill in area to the left of the picture ****/
+    for (i = 0; i < i_start; i++, out_pix+=3) {
+      *out_pix = WHITE;
+    }
+    
+    /*** fill in the picture region ***/
+    for (i = i_start; i < i_end; i+=expand_out, in_pix+=expand_in) {
+      for (ii = 0; ii < expand_out; ii++, out_pix++) {
+        *out_pix = *in_pix*frac;
+      }
+    }
+    
+    /**** fill in area to the right of the picture ****/
+    for (i = i_end; i < dx; i++, out_pix++) {
+      *out_pix = WHITE;
+    }
+
+    /* write out the image line expand_out times */
+    for (j = 0; j < expand_out; j++) {
+      for (i = 0; i < dx; i++) {
+        fprintf (f, "%02x", val);
+        if ((Npt % 40) == 0) {
+          fprintf (f, "\n");
+        }
+      }
+    }
+  }
+
+  /**** fill in top area ****/
+  out_pix = line_buffer;
+  for (i = 0; i < dx; i++, out_pix++) { 
+    *out_pix = WHITE;
+  }
+  for (j = j_end; j < dy; j++) {
+    for (i = 0; i < dx; i++) {
+      fprintf (f, "%02x", val);
+      if ((Npt % 40) == 0) {
+        fprintf (f, "\n");
+      }
+    }
+  }
+}
+
 void ConvertPixmap8 (Layout *layout, FILE *f) {