PiDiP 0.12.20

svn path=/trunk/externals/pidip/; revision=4015

1 files changed, 1086 insertions, 0 deletions

diff --git a/modules/pdp_qtext.c b/modules/pdp_qtext.c
new file mode 100755
index 0000000..8bcf4a4
--- /dev/null
+++ b/modules/pdp_qtext.c
@@ -0,0 +1,1086 @@
+/*
+ *   PiDiP module
+ *   Copyright (c) by Yves Degoyon (ydegoyon@free.fr)
+ *
+ *   This program 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 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program 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.
+ *
+ */
+
+/*  This object is a text rendering object for PDP
+ *  It uses imlib2 for all graphical operations
+ */
+
+/*  Listening to :
+ *  Deviants - Nothing Man
+ *  Os Mutantes - El Justeciero
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+#include "pdp.h"
+#include "yuv.h"
+#include <math.h>
+#include <wchar.h>
+#include <ctype.h>
+#include <Imlib2.h>  // imlib2 is required
+
+#define DEFAULT_CAPACITY 10
+#define DEFAULT_FONT "helmetr/16"
+
+#define PIDIP_TEXT_MODE_STATIC 0
+#define PIDIP_TEXT_MODE_SCROLL 1
+#define PIDIP_TEXT_MODE_FEED   2
+#define PIDIP_TEXT_MODE_SLOW   3
+
+#define PIDIP_ALIGNMENT_CENTER  0
+#define PIDIP_ALIGNMENT_LEFT  1
+#define PIDIP_ALIGNMENT_RIGHT  2
+
+static char   *pdp_qtext_version = "pdp_qtext: version 0.2 : modified pdp_text by Pablo Martin Caedes";
+
+typedef struct text_frame_struct TEXT_FRAME;
+struct text_frame_struct 
+{
+	char *text_array;
+ 	TEXT_FRAME *next;
+	double time;
+};
+
+typedef struct text_layer_struct
+{
+    t_int l_xoffset;	// x position
+    t_int l_yoffset;    // y position
+    t_int l_r;		// first color
+    t_int l_g;
+    t_int l_b;
+    t_int l_a;
+    t_int l_2r;	// color for even lines of feed
+    t_int l_2g;
+    t_int l_2b;
+    t_int l_2a;
+    t_int l_borderr;	// color for the border
+    t_int l_borderg;
+    t_int l_borderb;
+    t_float l_angle;	// angle
+    t_int l_scroll;
+    t_int l_alignment;	// 0 - center; 1 - left; 2 - right;
+    t_int l_marginh;	// top margin
+    t_int l_marginv;	// bottom margin
+    t_int l_active;	// slot is active?
+
+    t_int l_feed_turn;  // even or odd turn
+
+    t_int l_mode;	// work mode: static, scroll, feed/chat, slow
+    t_int l_scroll_speed;	
+    t_int l_upwards;	// whether to put new elements at top or bottom of the queue
+    TEXT_FRAME *l_texts;
+    TEXT_FRAME *l_last_text;
+    t_int l_ntexts; // number of texts in the chat queue
+    Imlib_Font l_font;
+} TEXTLAYER;
+
+typedef struct pdp_qtext_struct
+{
+    t_object x_obj;
+    t_float x_f;
+
+    t_int x_packet0;
+    t_int x_packet1;
+    t_int x_dropped;
+    t_int x_queue_id;
+
+    t_outlet *x_outlet0;
+    t_int x_vwidth;
+    t_int x_vheight;
+    t_int x_vsize;
+
+    t_int x_nbtexts;
+    t_int x_current;	// currently selected layer
+    t_int x_capacity;	// maximum texts
+
+    // text layers
+    TEXTLAYER *x_layers;
+    /* imlib data */
+    Imlib_Image x_image;
+
+} t_pdp_qtext;
+
+void text_layer_flush(TEXTLAYER *layer)
+{
+	while(layer->l_texts != NULL)
+	{
+		TEXT_FRAME *oldframe = layer->l_texts;		
+		layer->l_texts = oldframe->next;
+		free(oldframe->text_array);
+		free(oldframe);
+	}
+	layer->l_last_text = NULL;
+	layer->l_ntexts = 0;
+
+}
+void text_layer_add_start(TEXTLAYER *layer,char *text)
+{
+	TEXT_FRAME *newframe = (TEXT_FRAME*)getbytes(sizeof(TEXT_FRAME));
+        newframe->text_array = text;
+	newframe->time = 0;
+
+	if (layer->l_texts == NULL)
+	{
+		layer->l_last_text = newframe;
+	        newframe->next = NULL;
+	}
+	else
+		newframe->next = layer->l_texts;
+	layer->l_texts = newframe;
+	layer->l_ntexts++;
+}
+
+void text_layer_add_end(TEXTLAYER *layer, char *text)
+{
+	TEXT_FRAME *newframe = (TEXT_FRAME*)getbytes(sizeof(TEXT_FRAME));
+        newframe->text_array = text;
+	newframe->time = 0;
+	newframe->next = NULL;
+
+	if (layer->l_texts == NULL)
+	        layer->l_texts = newframe;
+	else
+		layer->l_last_text->next = newframe;
+	layer->l_last_text = newframe;
+	layer->l_ntexts++;
+}
+void text_layer_delete_start(TEXTLAYER *layer)
+{
+	if (layer->l_texts != NULL)
+	{
+		TEXT_FRAME *oldframe = layer->l_texts;
+		//free(oldframe->text_array);
+		free(oldframe);
+		layer->l_texts = oldframe->next;
+	}
+	layer->l_ntexts--;
+}
+
+TEXT_FRAME * text_layer_find_last(TEXTLAYER *layer)
+{
+	TEXT_FRAME *actual= layer->l_texts;
+	if (actual == NULL)
+		return NULL;
+	while(actual->next != NULL)
+		actual = actual->next;
+	return actual;
+}
+TEXT_FRAME * text_layer_find_ancestor(TEXTLAYER *layer, TEXT_FRAME *following)
+{
+	TEXT_FRAME *actual= layer->l_texts;
+	if (actual == NULL)
+		return NULL;
+	while(actual->next != following)
+		actual = actual->next;
+	return actual;
+}
+
+void text_layer_delete_end(TEXTLAYER *layer)
+{
+	if (layer->l_texts != NULL)
+	{
+		TEXT_FRAME *oldframe = layer->l_last_text;
+		//free(oldframe->text_array);
+		if (oldframe == layer->l_texts) // IF IT WAS FIRST
+		{
+			layer->l_last_text = NULL;
+			layer->l_texts = NULL;
+			free(oldframe);
+		}
+		else
+		{
+			layer->l_last_text = text_layer_find_ancestor(layer,layer->l_last_text);
+			layer->l_last_text->next = NULL;
+		}
+		free(oldframe);
+	}
+	layer->l_ntexts--;
+}
+
+static void pdp_qtext_delete(t_pdp_qtext *x,  t_floatarg fnum  );
+        /* add a new text : syntax : text <my%20text> x y */
+static void pdp_qtext_add(t_pdp_qtext *x, t_symbol *s, int argc, t_atom *argv)
+{
+ char *pname;
+ char *pdname;
+ t_int len;
+
+   if ( argc < 3 )
+   {
+      post( "pdp_qtext : error in the number of arguments ( minimum is 3 )", argc );
+      return;
+   }
+   if ( argv[0].a_type != A_SYMBOL || argv[1].a_type != A_FLOAT || argv[2].a_type != A_FLOAT ) {
+      post( "pdp_qtext : add : wrong arguments" );
+      return;
+   }
+
+   // allocate new text area
+   len = strlen( argv[0].a_w.w_symbol->s_name ); 
+   if ( x->x_current == -1 ) x->x_current = 0;
+   
+   // get memory
+   pdname = (char *) getbytes( len+1 );
+   pname = (char *) getbytes( len+1 );
+   memset( pname, 0x0, len+1 );
+   memcpy( pname, argv[0].a_w.w_symbol->s_name, len );
+   
+   x->x_layers[x->x_current].l_active = 1;
+   // add text to selected queue
+   switch ( x->x_layers[x->x_current].l_mode)
+   {
+	case PIDIP_TEXT_MODE_STATIC:	// REPLACE_CURRENT_TEXT
+	    text_layer_delete_start(&x->x_layers[x->x_current]);
+	    text_layer_add_start(&x->x_layers[x->x_current],pdname);
+	    break;
+	case PIDIP_TEXT_MODE_SLOW:	// REPLACE_CURRENT_TEXT
+	    text_layer_delete_start(&x->x_layers[x->x_current]);
+	    text_layer_add_start(&x->x_layers[x->x_current],pdname);
+	    break;
+	case PIDIP_TEXT_MODE_SCROLL:	// ADD_TEXT_AT_END
+	    text_layer_add_end(&x->x_layers[x->x_current],pdname);
+	    break;	
+	case PIDIP_TEXT_MODE_FEED:	// ADD_TEXT_AT_END_OR_START
+	    if (!x->x_layers[x->x_current].l_upwards)	// DOWNWARDS FEED
+		text_layer_add_start(&x->x_layers[x->x_current],pdname);
+	    else
+		text_layer_add_end(&x->x_layers[x->x_current],pdname);
+	    break;
+    }
+   
+   // process new text
+   while (*(pname))
+   {
+      if ( (*pname=='%') && ( isdigit(*(pname+1)) || (*(pname+1)=='%') ) )
+      {
+        t_int ivalue;
+        t_int ndigits;
+        char  *piname;
+
+         ndigits=0;
+         piname=pname+1;
+         while ( isdigit( *(piname++) ) ) ndigits++;
+         
+         ivalue=atoi(pname+1);
+
+         // special case %%
+         if ( ( pname != argv[0].a_w.w_symbol->s_name ) && ( *(pname+1) == '%' ) )
+         {
+            *(pdname++)=*(pname++);
+            pname++;
+            continue;
+         } 
+         *(pdname++)=(char)ivalue;
+         pname+=ndigits+1;
+      }
+      else if ( !strncmp( pname, "\"", 1 ) ) // quotes are ignored unless %34
+      { 
+        pname++;
+      }
+      else
+      {
+         *(pdname++)=*(pname++);
+      } 
+   }
+   //freebytes( pname,len+1 ); NOT SO STRANGE CRASHES XXX
+   *(pdname)='\0';
+
+   // get other parameters in command
+   x->x_layers[x->x_current].l_xoffset = (int)argv[1].a_w.w_float;
+   /*if (x->x_layers[x->x_current].l_mode == PIDIP_TEXT_MODE_SCROLL)
+   {
+	   x->x_layers[x->x_current].l_yoffset = -10;  // XXX: GET REAL STARTING POSITION
+   }*/
+   //else 
+   //{
+       x->x_layers[x->x_current].l_yoffset = (int)argv[2].a_w.w_float;
+   //}
+
+   if ( (argc>=4) && (argv[3].a_type == A_FLOAT) )
+   {
+      x->x_layers[x->x_current].l_r = (int)argv[3].a_w.w_float;
+   }
+   if ( (argc>=5) && (argv[4].a_type == A_FLOAT) )
+   {
+      x->x_layers[x->x_current].l_g = (int)argv[4].a_w.w_float;
+   }
+   if ( (argc>=6) && (argv[5].a_type == A_FLOAT) )
+   {
+      x->x_layers[x->x_current].l_b = (int)argv[5].a_w.w_float;
+   }
+   if ( (argc>=7) && (argv[6].a_type == A_FLOAT) )
+   {
+      x->x_layers[x->x_current].l_angle = argv[6].a_w.w_float;
+   }
+   if ( (argc>=8) && (argv[7].a_type == A_FLOAT) )
+   {
+      x->x_layers[x->x_current].l_scroll = (int)argv[7].a_w.w_float;
+   }
+   
+   // post( "pdp_qtext : added text >%s< @ %d", 
+   //              x->x_layers[x->x_current].l_texts->text_array, x->x_current);
+
+   /*if ( x->x_current > x->x_chat_base ) 
+	   x->x_current = x->x_chat_base;
+   x->x_nbtexts = x->x_capacity;	// XXX why is this exactly ?? */
+   //x->x_nbtexts++;
+   
+}
+
+static void pdp_qtext_current(t_pdp_qtext *x, t_floatarg fcurrent )
+{
+    if ( ( fcurrent >= 0 ) && ( fcurrent < x->x_capacity ) )
+    {
+       	x->x_current = fcurrent;
+    }
+}
+
+static void pdp_qtext_textx(t_pdp_qtext *x, t_floatarg fx )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity ) )
+    {
+       x->x_layers[x->x_current].l_xoffset = fx;
+    }
+}
+
+static void pdp_qtext_margin(t_pdp_qtext *x, t_floatarg fx )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity ) )
+    {
+       x->x_layers[x->x_current].l_marginh = fx;
+    }
+}
+
+static void pdp_qtext_marginv(t_pdp_qtext *x, t_floatarg fx )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity ) )
+    {
+       x->x_layers[x->x_current].l_marginv = fx;
+    }
+}
+
+static void pdp_qtext_direction(t_pdp_qtext *x, t_floatarg fx )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity ) )
+    {
+       x->x_layers[x->x_current].l_upwards = fx;
+       // post( "pdp_qtext : set direction to %d for layer %d", fx, x->x_current );
+    }
+}
+
+static void pdp_qtext_texty(t_pdp_qtext *x, t_floatarg fy )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity) )
+    {
+       x->x_layers[x->x_current].l_yoffset = fy;
+    }
+}
+
+static void pdp_qtext_textr(t_pdp_qtext *x, t_floatarg fr )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity) )
+    {
+       x->x_layers[x->x_current].l_r = fr;
+    }
+}
+static void pdp_qtext_texta(t_pdp_qtext *x, t_floatarg fa )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity) )
+    {
+       x->x_layers[x->x_current].l_a = fa;
+    }
+}
+
+static void pdp_qtext_textg(t_pdp_qtext *x, t_floatarg fg )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity ) )
+    {
+       x->x_layers[x->x_current].l_g = fg;
+    }
+}
+
+static void pdp_qtext_textb(t_pdp_qtext *x, t_floatarg fb )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity ) )
+    {
+       x->x_layers[x->x_current].l_b = fb;
+    }
+}
+static void pdp_qtext_text2r(t_pdp_qtext *x, t_floatarg fr )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity) )
+    {
+       x->x_layers[x->x_current].l_2r = fr;
+    }
+}
+static void pdp_qtext_text2g(t_pdp_qtext *x, t_floatarg fr )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity) )
+    {
+       x->x_layers[x->x_current].l_2g = fr;
+    }
+}
+static void pdp_qtext_text2b(t_pdp_qtext *x, t_floatarg fr )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity) )
+    {
+       x->x_layers[x->x_current].l_2b = fr;
+    }
+}
+static void pdp_qtext_text2a(t_pdp_qtext *x, t_floatarg fa )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity) )
+    {
+       x->x_layers[x->x_current].l_2a = fa;
+    }
+}
+static void pdp_qtext_borderr(t_pdp_qtext *x, t_floatarg fr )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity) )
+    {
+       x->x_layers[x->x_current].l_borderr = fr;
+    }
+}
+static void pdp_qtext_borderg(t_pdp_qtext *x, t_floatarg fr )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity) )
+    {
+       x->x_layers[x->x_current].l_borderg = fr;
+    }
+}
+static void pdp_qtext_borderb(t_pdp_qtext *x, t_floatarg fr )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity) )
+    {
+       x->x_layers[x->x_current].l_borderb = fr;
+    }
+}
+
+static void pdp_qtext_angle(t_pdp_qtext *x, t_floatarg fangle )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity ) )
+    {
+       x->x_layers[x->x_current].l_angle = fangle;
+    }
+}
+
+static void pdp_qtext_scroll(t_pdp_qtext *x, t_floatarg fscroll )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity ) )
+    {
+       x->x_layers[x->x_current].l_scroll = fscroll;
+    }
+}
+
+static void pdp_qtext_center(t_pdp_qtext *x )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity ) )
+    {
+    	x->x_layers[x->x_current].l_alignment = PIDIP_ALIGNMENT_CENTER;
+    }
+}
+static void pdp_qtext_left(t_pdp_qtext *x )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity ) )
+    {
+    	x->x_layers[x->x_current].l_alignment = PIDIP_ALIGNMENT_LEFT;
+    }
+}
+static void pdp_qtext_right(t_pdp_qtext *x )
+{
+    if ( ( x->x_current  >= 0 ) && ( x->x_current  < x->x_capacity ) )
+    {
+    	x->x_layers[x->x_current].l_alignment = PIDIP_ALIGNMENT_RIGHT;
+    }
+}
+
+static void pdp_qtext_delete(t_pdp_qtext *x,  t_floatarg fnum  )
+{
+  t_int i;
+  char *lostword;
+
+  text_layer_flush(&x->x_layers[x->x_current]);
+  /*if ( ( fnum>=0 ) && ( fnum<x->x_capacity )  )
+  {
+     if (fnum >= x->x_chat_base && x->x_active[x->x_chat_base])
+     {
+       lostword = x->x_text_array[ (int)fnum];
+       fnum = x->x_chat_base;
+       if (x->upwards)
+       	  x->x_chat_turn++;
+       for ( i=(int)x->x_chat_base; i<x->x_chat_base+x->x_chat_texts-1; i++ )
+       {
+          x->x_text_array[ i ] = x->x_text_array[ i+1 ];
+       }
+       x->x_active[x->x_chat_base+x->x_chat_texts-1]=0;
+       x->x_chat_texts--;
+       free( lostword );
+       x->x_nbtexts--;
+     }
+     else if (x->x_active[(int)fnum])
+     {
+       lostword = x->x_text_array[ (int)fnum];
+       x->x_active[(int)fnum]=0;
+       free( lostword );
+       x->x_nbtexts--;
+     }
+   }*/
+}
+static void pdp_qtext_clear(t_pdp_qtext *x )
+{
+    text_layer_flush(&x->x_layers[x->x_current]);
+    // must free the texts XXX
+    x->x_nbtexts = 0;
+}
+static void pdp_qtext_mode(t_pdp_qtext *x, t_symbol *s)
+{
+	if      (s == gensym("static")) x->x_layers[x->x_current].l_mode = PIDIP_TEXT_MODE_STATIC;
+	else if      (s == gensym("scroll")) x->x_layers[x->x_current].l_mode = PIDIP_TEXT_MODE_SCROLL;
+	else if      (s == gensym("feed")) x->x_layers[x->x_current].l_mode = PIDIP_TEXT_MODE_FEED;
+	else if      (s == gensym("slow")) x->x_layers[x->x_current].l_mode = PIDIP_TEXT_MODE_SLOW;
+}
+
+static void pdp_qtext_resize(t_pdp_qtext *x,  t_floatarg fnewsize  )
+{
+  char **text_array;
+  t_int *xoffsets;
+  t_int *yoffsets;
+  t_int *r;
+  t_int *g;
+  t_int *b;
+  t_float *angle;
+  t_int *scroll;
+
+  t_int i, csize;
+
+  TEXTLAYER * layers;
+    if ( (int) fnewsize<=0 ) return;
+
+    // allocate new structures
+    layers = (TEXTLAYER*) getbytes( x->x_capacity*sizeof(TEXTLAYER) );
+
+    for ( i=0; i<fnewsize; i++ )
+    {
+       layers[i].l_r = layers[i].l_g = layers[i].l_b = layers[i].l_a = 255;
+       layers[i].l_2r = layers[i].l_2g = layers[i].l_2b = layers[i].l_2a = 255;
+       layers[i].l_borderr = x->x_layers[i].l_borderg = x->x_layers[i].l_borderb = 255;
+       layers[i].l_xoffset = 0;
+       layers[i].l_yoffset = 0;
+       layers[i].l_marginh = 0;
+       layers[i].l_marginv = 0;
+       layers[i].l_active = 0;
+       layers[i].l_alignment = PIDIP_ALIGNMENT_LEFT;
+       layers[i].l_mode = PIDIP_TEXT_MODE_STATIC;
+       layers[i].l_font = imlib_context_get_font();
+       layers[i].l_feed_turn = 0;
+       layers[i].l_upwards = 0;
+       layers[i].l_ntexts = 0;
+       layers[i].l_texts = NULL;
+       layers[i].l_last_text = NULL;
+    }
+
+    if ( fnewsize < x->x_nbtexts )
+    {
+       post( "pdp_qtext : new size is too small : texts lost !!" );
+       csize = fnewsize;
+    }
+    else
+    {
+       csize = x->x_nbtexts;
+    }
+
+    // copy all values
+    for ( i=0; i<csize; i++ )
+    {
+       layers[i].l_r=x->x_layers[i].l_r;
+       layers[i].l_g=x->x_layers[i].l_g;
+       layers[i].l_b=x->x_layers[i].l_b;
+       layers[i].l_a=x->x_layers[i].l_a;
+       layers[i].l_2r=x->x_layers[i].l_2r;
+       layers[i].l_2g=x->x_layers[i].l_2g;
+       layers[i].l_2b=x->x_layers[i].l_2b;
+       layers[i].l_2a=x->x_layers[i].l_2a;
+       layers[i].l_borderr=x->x_layers[i].l_borderr;
+       layers[i].l_borderg=x->x_layers[i].l_borderg;
+       layers[i].l_borderb=x->x_layers[i].l_borderb;
+       layers[i].l_xoffset=x->x_layers[i].l_xoffset;
+       layers[i].l_yoffset=x->x_layers[i].l_yoffset;
+       layers[i].l_marginh=x->x_layers[i].l_marginh;
+       layers[i].l_marginv=x->x_layers[i].l_marginv;
+       layers[i].l_active=x->x_layers[i].l_active;
+       layers[i].l_alignment=x->x_layers[i].l_alignment;
+       layers[i].l_mode=x->x_layers[i].l_mode;
+       layers[i].l_font=x->x_layers[i].l_font;
+       layers[i].l_feed_turn=x->x_layers[i].l_feed_turn;
+       layers[i].l_upwards=x->x_layers[i].l_upwards;
+       layers[i].l_ntexts=x->x_layers[i].l_ntexts;
+       layers[i].l_texts=x->x_layers[i].l_texts;
+       layers[i].l_last_text=x->x_layers[i].l_last_text;
+    }
+  
+    // free old structures
+    if ( x->x_layers ) freebytes( x->x_layers, x->x_capacity*sizeof(TEXTLAYER) );
+    if ((int)fnewsize < x->x_capacity)
+    {
+	    // do something with left over texts XXX
+    }
+
+    // set new structures
+    x->x_layers = layers;
+    x->x_nbtexts = csize;
+    x->x_capacity = (int) fnewsize;
+    x->x_current = 0;
+    post( "pdp_qtext : resized to %d", (int) fnewsize );
+}
+
+static void pdp_qtext_font(t_pdp_qtext *x, t_symbol *sfont  )
+{
+  Imlib_Font font;
+
+    font = imlib_load_font(sfont->s_name);
+    if ( !font )
+    {
+       post( "pdp_qtext : could not load font : >%s<", sfont->s_name );
+       return;
+    }
+    imlib_context_set_font( font );
+    x->x_layers[x->x_current].l_font = font;
+}
+
+static void pdp_qtext_allocate(t_pdp_qtext *x)
+{
+   x->x_image = imlib_create_image( x->x_vwidth, x->x_vheight );
+   if ( x->x_image == NULL )
+   {
+      post( "pdp_qtext : severe error : could not allocate image !!" );
+      return;
+   }
+   imlib_context_set_image(x->x_image);
+}
+
+static void pdp_qtext_free_ressources(t_pdp_qtext *x)
+{
+   // if ( x->x_image != NULL ) imlib_free_image();
+}
+
+void qtext_line_draw(t_pdp_qtext *x,char *text,int text_width,int text_height,int tlayer, int ti, int linenumber,double stime)
+{
+   int base = tlayer;
+   double newyoffset = 0;
+   int yfinalposition;
+   int alpha = x->x_layers[base].l_a;
+   if (x->x_layers[base].l_mode == PIDIP_TEXT_MODE_SCROLL)
+   {
+	if ((x->x_layers[base].l_upwards))
+	   newyoffset = -stime+x->x_vheight;
+	else
+   	    newyoffset = stime;
+	if (stime<50)
+	    alpha = (alpha*(stime/50));
+	if (stime>350)
+	    alpha = alpha-(alpha*((stime-350)/50));
+   }
+   yfinalposition = newyoffset + x->x_layers[base].l_yoffset + ((linenumber)*(text_height)) + (sin(x->x_layers[base].l_angle) * x->x_layers[base].l_scroll);
+   /*if (ti>=x->x_chat_base)
+	   base = x->x_chat_base;*/
+   if (((text_height)*(linenumber+1)) + x->x_layers[base].l_yoffset + x->x_layers[base].l_marginv < x->x_vheight)		// CABE EN LOS  MARGENES ESPECIFICADOS (DE ALTO)
+   {
+       if ((x->x_layers[base].l_feed_turn+ti)%2&&(x->x_layers[base].l_mode==PIDIP_TEXT_MODE_FEED))
+              imlib_context_set_color( x->x_layers[base].l_2r, x->x_layers[base].l_2g, x->x_layers[base].l_2b, x->x_layers[base].l_2a);
+       else
+              imlib_context_set_color( x->x_layers[base].l_r, x->x_layers[base].l_g, x->x_layers[base].l_b, alpha );
+       if (x->x_layers[base].l_alignment == PIDIP_ALIGNMENT_CENTER)   
+       {
+       		imlib_text_draw( x->x_layers[base].l_xoffset - (0.5*text_width) + (cos(x->x_layers[base].l_angle) * x->x_layers[base].l_scroll), 
+                        yfinalposition, 
+                        text );
+       }
+       else		// left aligned text
+       {
+	       // CODE FOR A NOT SO NICE BORDER
+              /*imlib_context_set_color( 0, 0, 0, 255 );
+	      int borde = 2;
+       		imlib_text_draw( x->x_xoffsets[base] + (cos(x->x_angle[base]) * x->x_scroll[base])+borde, 
+                x->x_yoffsets[base] + (linenumber*(text_height)) + (sin(x->x_angle[base]) * x->x_scroll[base])-borde, 
+                text );
+       		imlib_text_draw( x->x_xoffsets[base] + (cos(x->x_angle[base]) * x->x_scroll[base])-borde, 
+                x->x_yoffsets[base] + (linenumber*(text_height)) + (sin(x->x_angle[base]) * x->x_scroll[base])+borde, 
+                text );
+       		imlib_text_draw( x->x_xoffsets[base] + (cos(x->x_angle[base]) * x->x_scroll[base])-borde, 
+                x->x_yoffsets[base] + (linenumber*(text_height)) + (sin(x->x_angle[base]) * x->x_scroll[base])-borde, 
+                text );
+       		imlib_text_draw( x->x_xoffsets[base] + (cos(x->x_angle[base]) * x->x_scroll[base])+borde, 
+                x->x_yoffsets[base] + (linenumber*(text_height)) + (sin(x->x_angle[base]) * x->x_scroll[base])+borde, 
+                text );*/
+	  // SET ALTERNATING COLORS
+       	  imlib_text_draw( x->x_layers[base].l_xoffset + (cos(x->x_layers[base].l_angle) * x->x_layers[base].l_scroll), 
+                           yfinalposition,text);
+       }
+   }
+}
+
+// DRAW ALL TEXTS
+
+static void pdp_qtext_draw_all_texts(t_pdp_qtext *x)
+{
+    int	text_width, text_height;
+    int chat_lines = 0;        // total lines of chat rendered
+    int linenumber;	// lines of chat we have rendered in current message
+    int feed_mes = 0;	// messages rendered
+    t_int     tlayer;
+
+    // draw all texts
+    imlib_context_set_direction(IMLIB_TEXT_TO_ANGLE);
+
+    for (tlayer=0; tlayer<x->x_capacity; tlayer++)
+    {
+    TEXT_FRAME *curr_text = x->x_layers[tlayer].l_texts;
+    while (curr_text != NULL) {
+     if (x->x_layers[tlayer].l_active)
+     {
+       t_int base=tlayer;
+       linenumber = 0;
+       int ti = feed_mes;
+       imlib_context_set_angle( x->x_layers[base].l_angle );
+       imlib_context_set_font( x->x_layers[base].l_font );
+       if (x->x_layers[base].l_mode == PIDIP_TEXT_MODE_FEED)
+       {
+	  if ((x->x_layers[base].l_feed_turn+ti)%2)
+              imlib_context_set_color( x->x_layers[base].l_r, x->x_layers[base].l_g, x->x_layers[base].l_b, x->x_layers[base].l_a );
+	  else
+              imlib_context_set_color( x->x_layers[base].l_r, x->x_layers[base].l_g, x->x_layers[base].l_b, x->x_layers[base].l_a );
+       }
+       else
+       {
+              imlib_context_set_color( x->x_layers[base].l_r, x->x_layers[base].l_g, x->x_layers[base].l_b, x->x_layers[base].l_a );
+       }
+
+       imlib_context_set_font( x->x_layers[base].l_font );
+       imlib_get_text_size( curr_text->text_array, &text_width, &text_height);
+
+       // code which separates the message in lines
+       if (text_width + x->x_layers[base].l_xoffset + x->x_layers[base].l_marginh > x->x_vwidth)
+       {      // MESSAGE CAN'T BE DRAWN IN A LINE
+	      char *token = NULL, *cp;
+	      cp = strdup (curr_text->text_array);
+	      if (x->x_layers[base].l_mode == PIDIP_TEXT_MODE_SLOW && curr_text->time/10<strlen(curr_text->text_array))
+		      cp[(int)(curr_text->time/10)] = '\0';
+	      token = strtok (cp, " .,;:");
+	      char buf[256];
+	      char *position = buf;
+	      char prev[256];
+	      int wordcount = 0;
+	      while (token != NULL)
+	      {
+		strcpy(prev,buf);
+		wordcount++;
+		if (wordcount != 1)
+			*(position++) = ' ';
+	        position = stpcpy(position,token);
+       		imlib_get_text_size( buf, &text_width, &text_height);
+		if (text_width +  x->x_layers[base].l_xoffset + x->x_layers[base].l_marginh> x->x_vwidth)
+		{	// YA TENEMOS UNA CADENA PARA LA 1 LINEA
+			char * textofinal;
+			if (wordcount == 1)
+				textofinal = buf;
+			else
+				textofinal = prev;
+       			imlib_get_text_size( textofinal, &text_width, &text_height);
+	       			qtext_line_draw(x,textofinal, text_width,text_height,tlayer,feed_mes,chat_lines+linenumber,curr_text->time);
+			if (wordcount == 1)
+			{
+				position = stpcpy(buf,"");
+				wordcount=0;
+			}
+			else
+			{
+				position = stpcpy(buf,token);
+				wordcount=1;
+			}
+			linenumber++;
+		}
+	      	token = strtok (NULL, " .,;:");
+	      }
+	      // draw the rests in the buffer
+	      if (strlen(buf)>0)
+	      {
+	        imlib_get_text_size( buf, &text_width, &text_height);
+	        qtext_line_draw(x,buf, text_width,text_height,tlayer,feed_mes,chat_lines+linenumber,curr_text->time);
+                linenumber++;
+	      }
+	      free(cp);
+       }
+       else	// MESSAGE CAN BE DRAWN IN A LINE
+       {
+	       char *cp;
+	      	cp = strdup (curr_text->text_array);
+	      if (x->x_layers[base].l_mode == PIDIP_TEXT_MODE_SLOW && curr_text->time/10<strlen(curr_text->text_array))
+		      cp[(int)(curr_text->time/10)] = '\0';
+	       qtext_line_draw(x,cp, text_width,text_height,tlayer,feed_mes,chat_lines,curr_text->time);
+	       linenumber=1;
+	      free(cp);
+       }
+       // if we are in chat mode remember number of lines
+       if (x->x_layers[base].l_mode == PIDIP_TEXT_MODE_FEED )
+		chat_lines+=linenumber;
+     }
+     feed_mes++;
+     curr_text->time++;
+     if (curr_text->time > 400 && x->x_layers[tlayer].l_mode == PIDIP_TEXT_MODE_SCROLL && curr_text == x->x_layers[tlayer].l_texts)
+     {
+	 text_layer_delete_start(&x->x_layers[tlayer]);
+     }
+     curr_text = curr_text->next;
+    } // while(curr_text != NULL);
+    } // for (tlayer=0; tlayer<x->x_capacity; tlayer++)
+}
+
+static void pdp_qtext_process_yv12(t_pdp_qtext *x)
+{
+    t_pdp     *header = pdp_packet_header(x->x_packet0);
+    short int *data   = (short int *)pdp_packet_data(x->x_packet0);
+    t_pdp     *newheader = pdp_packet_header(x->x_packet1);
+    short int *newdata = (short int *)pdp_packet_data(x->x_packet1);
+    t_int     ti;
+    t_int     px, py;
+    unsigned char y, u, v;
+    DATA32    *imdata;
+    DATA32    bgcolor=0;
+    short int *pY, *pU, *pV;
+    int	text_width, text_height;
+    int chat_lines = 0;
+
+    // ensure the prepared surface is the same size as the image
+    if ( ( (int)(header->info.image.width) != x->x_vwidth ) ||
+         ( (int)(header->info.image.height) != x->x_vheight ) )
+    {
+         pdp_qtext_free_ressources(x);
+         x->x_vwidth = header->info.image.width;
+         x->x_vheight = header->info.image.height;
+         x->x_vsize = x->x_vwidth*x->x_vheight;
+         pdp_qtext_allocate(x);
+    }
+
+    // prepare packets
+    newheader->info.image.encoding = header->info.image.encoding;
+    newheader->info.image.width = x->x_vwidth;
+    newheader->info.image.height = x->x_vheight;
+
+    // prepare image
+    if ( x->x_image != NULL ) imlib_context_set_image(x->x_image);
+    imdata = imlib_image_get_data();
+
+    // copy incoming packet to Imlib image
+    yuv_Y122RGB( data, imdata, x->x_vwidth, x->x_vheight );
+
+    // draw all texts to imlib surface
+    pdp_qtext_draw_all_texts(x);
+    
+    // copy Imlib image to outgoing packet
+    yuv_RGB2Y12( imdata, newdata, x->x_vwidth, x->x_vheight );
+
+    return;
+}
+
+static void pdp_qtext_sendpacket(t_pdp_qtext *x)
+{
+    /* delete source packet */
+    pdp_packet_mark_unused(x->x_packet0);
+    x->x_packet0 = -1;
+
+    /* unregister and propagate if valid dest packet */
+    pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet1);
+}
+
+static void pdp_qtext_process(t_pdp_qtext *x)
+{
+   int encoding;
+   t_pdp *header = 0;
+
+   /* check if image data packets are compatible */
+   if ( (header = pdp_packet_header(x->x_packet0))
+	&& (PDP_IMAGE == header->type)){
+    
+	/* pdp_qtext_process inputs and write into active inlet */
+	switch(pdp_packet_header(x->x_packet0)->info.image.encoding)
+        {
+
+	  case PDP_IMAGE_YV12:
+            x->x_packet1 = pdp_packet_clone_rw(x->x_packet0);
+            pdp_queue_add(x, pdp_qtext_process_yv12, pdp_qtext_sendpacket, &x->x_queue_id);
+	    break;
+
+	  case PDP_IMAGE_GREY:
+            // should write something to handle these one day
+            // but i don't use this mode                      
+	    break;
+	  default:
+	    /* don't know the type, so dont pdp_qtext_process */
+	    break;
+	    
+	}
+    }
+
+}
+
+static void pdp_qtext_input_0(t_pdp_qtext *x, t_symbol *s, t_floatarg f)
+{
+
+    /* if this is a register_ro message or register_rw message, register with packet factory */
+
+    if (s== gensym("register_rw")) 
+    {
+	switch(pdp_packet_header((int)f)->info.image.encoding)
+        {
+	  case PDP_IMAGE_YV12:
+          x->x_dropped = pdp_packet_convert_ro_or_drop(&x->x_packet0, (int)f, pdp_gensym("image/YCrCb/*") );
+	  break;
+	}
+    }
+    if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped)){
+
+        /* add the process method and callback to the process queue */
+        pdp_qtext_process(x);
+
+    }
+
+}
+
+static void pdp_qtext_free(t_pdp_qtext *x)
+{
+  int i;
+
+    pdp_qtext_free_ressources(x);
+    pdp_queue_finish(x->x_queue_id);
+    pdp_packet_mark_unused(x->x_packet0);
+}
+
+t_class *pdp_qtext_class;
+
+void *pdp_qtext_new(void)
+{
+  int i;
+
+   t_pdp_qtext *x = (t_pdp_qtext *)pd_new(pdp_qtext_class);
+   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("current"));
+   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("textx"));
+   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("texty"));
+   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("textr"));
+   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("textg"));
+   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("textb"));
+   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("angle"));
+   inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("scroll"));
+
+   x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); 
+   x->x_packet0 = -1;
+   x->x_packet1 = -1;
+   x->x_queue_id = -1;
+   x->x_image = NULL;
+
+
+   x->x_capacity = DEFAULT_CAPACITY;
+
+
+   x->x_layers = (TEXTLAYER*) getbytes( x->x_capacity*sizeof(TEXTLAYER) );
+
+   for ( i=0; i<x->x_capacity; i++ )
+    {
+       x->x_layers[i].l_r = x->x_layers[i].l_g = x->x_layers[i].l_b = x->x_layers[i].l_a = 255;
+       x->x_layers[i].l_2r = x->x_layers[i].l_2g = x->x_layers[i].l_2b = x->x_layers[i].l_2a = 255;
+       x->x_layers[i].l_borderr = x->x_layers[i].l_borderg = x->x_layers[i].l_borderb = 255;
+       x->x_layers[i].l_xoffset = 0;
+       x->x_layers[i].l_yoffset = 0;
+       x->x_layers[i].l_marginh = 0;
+       x->x_layers[i].l_scroll_speed = 1;
+       x->x_layers[i].l_marginv = 0;
+       x->x_layers[i].l_active = 0;
+       x->x_layers[i].l_alignment = PIDIP_ALIGNMENT_LEFT;
+       x->x_layers[i].l_mode = PIDIP_TEXT_MODE_STATIC;
+       x->x_layers[i].l_font = imlib_context_get_font();
+       x->x_layers[i].l_feed_turn = 0;
+       x->x_layers[i].l_upwards = 0;
+       x->x_layers[i].l_ntexts = 0;
+       x->x_layers[i].l_texts = NULL;
+       x->x_layers[i].l_last_text = NULL;
+    }
+    x->x_current = 0;
+    x->x_nbtexts = 0;
+    return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_qtext_setup(void)
+{
+  Imlib_Font font;
+
+    // post( pdp_qtext_version );
+    pdp_qtext_class = class_new(gensym("pdp_qtext"), (t_newmethod)pdp_qtext_new,
+    	(t_method)pdp_qtext_free, sizeof(t_pdp_qtext), 0, A_NULL);
+
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_input_0, gensym("pdp"),  
+                             A_SYMBOL, A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_add, gensym("text"),  A_GIMME, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_current, gensym("current"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_textx, gensym("textx"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_texty, gensym("texty"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_textr, gensym("textr"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_textg, gensym("textg"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_textb, gensym("textb"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_texta, gensym("texta"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_text2r, gensym("text2r"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_text2g, gensym("text2g"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_text2b, gensym("text2b"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_text2a, gensym("text2a"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_borderr, gensym("borderr"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_borderg, gensym("borderg"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_borderb, gensym("borderb"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_clear, gensym("clear"),  A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_delete, gensym("delete"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_resize, gensym("resize"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_font, gensym("font"),  A_SYMBOL, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_angle, gensym("angle"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_scroll, gensym("scroll"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_left, gensym("left"),  A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_right, gensym("right"),  A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_center, gensym("center"),  A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_margin, gensym("margin"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_marginv, gensym("marginv"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_direction, gensym("direction"),  A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_qtext_class, (t_method)pdp_qtext_mode, gensym("layermode"),  A_SYMBOL, A_NULL);
+    class_sethelpsymbol( pdp_qtext_class, gensym("pdp_qtext.pd") );
+
+    imlib_add_path_to_font_path("/usr/X11R6/lib/X11/fonts/TTF");
+    font = imlib_load_font(DEFAULT_FONT);
+    if ( !font )
+    {
+       post( "pdp_qtext : severe error : could not load default font : no rendering !!!" );
+    }
+    imlib_context_set_font( font );
+}
+
+#ifdef __cplusplus
+}
+#endif