From c4224a166868400e19211a5d7c66ec5c5bc72679 Mon Sep 17 00:00:00 2001
From: lecoanet
Date: Fri, 12 Oct 2001 07:34:52 +0000
Subject: Suppression du code LIBART. Ajout du rendu GL.

---
 generic/Text.c | 85 +++++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 51 insertions(+), 34 deletions(-)

(limited to 'generic/Text.c')

diff --git a/generic/Text.c b/generic/Text.c
index b8e7336..dd220d5 100644
--- a/generic/Text.c
+++ b/generic/Text.c
@@ -98,8 +98,8 @@ typedef struct _TextItemStruct {
   int		insert_index;
   ZnList	text_info;
   int		max_width;
-#ifdef LIBART
-  FontBitmap	*fb;
+#ifdef GLX
+  TexFont	*txf;
 #endif
 } TextItemStruct, *TextItem;
 
@@ -108,7 +108,7 @@ static ZnAttrConfig	text_attrs[] = {
   { ZN_CONFIG_JUSTIFY, "-alignment", NULL,
     Tk_Offset(TextItemStruct, alignment), 0,
     ZN_COORDS_FLAG|ZN_LAYOUT_FLAG, False },
-  { ZN_CONFIG_UINT, "-alpha", NULL,
+  { ZN_CONFIG_ALPHA, "-alpha", NULL,
     Tk_Offset(TextItemStruct, alpha), 0, ZN_DRAW_FLAG, False },
   { ZN_CONFIG_ANCHOR, "-anchor", NULL,
     Tk_Offset(TextItemStruct, anchor), 0, ZN_COORDS_FLAG, False },
@@ -192,15 +192,14 @@ Init(Item		item,
   text->anchor = ZnAnchorNW;
   text->connection_anchor = ZnAnchorSW;
   text->color = ZnGetColorByValue(wi->win, wi->fore_color);
-  text->alpha = 255;
+  text->alpha = 100;
   text->alignment = ZnJustifyLeft;
   text->font = Tk_GetFont(wi->interp, wi->win, Tk_NameOfFont(wi->font));
   text->width = 0;
   text->spacing = 0;
-#ifdef LIBART
-  text->fb = NULL;
+#ifdef GLX
+  text->txf = NULL;
 #endif
-  
   text->insert_index = 0;
   CLEAR(text->flags, UNDERLINED);
   CLEAR(text->flags, OVERSTRIKED);
@@ -313,11 +312,6 @@ Configure(Item		item,
       item->connected_item = old_connected;
     }
   }
-#ifdef LIBART
-  if (old_font != text->font) {
-    text->fb = NULL;
-  }
-#endif
   
   return ZN_OK;
 }
@@ -382,7 +376,6 @@ ComputeCoordinates(Item		item,
     char	*scan;
     int		wrap, line_index, prev_num_lines;
     
-    /*printf("layout\n");*/
     text->max_width = 0;
     if (text->text_info != NULL) {
       prev_num_lines = ZnListSize(text->text_info);
@@ -540,6 +533,10 @@ ToArea(Item	item,
   ZnBBox	line_bbox;
   ZnPoint	o;
 
+  if (!text->text_info) {
+    return -1;
+  }
+  
   lines = (TextLineInfo) ZnListArray(text->text_info);
   num_lines = ZnListSize(text->text_info);
   Tk_GetFontMetrics(text->font, &fm);
@@ -594,7 +591,10 @@ Draw(Item	item)
   int		underline_thickness, underline_pos=0, overstrike_pos=0;
   int		sel_first_line=-1, sel_last_line=-1, cursor_line=-1;
   int		sel_start_offset=0, sel_stop_offset=0, cursor_offset=0;
-  
+
+  if (!text->text_info) {
+    return;
+  }
   lines = (TextLineInfo) ZnListArray(text->text_info);
   num_lines = ZnListSize(text->text_info);
   Tk_GetFontMetrics(text->font, &fm);
@@ -766,32 +766,41 @@ Draw(Item	item)
 static void
 Render(Item	item)
 {
-#ifdef LIBART
+#ifdef GLX
   WidgetInfo	*wi = item->wi;
   TextItem	text = (TextItem) item;
   TextLineInfo	lines, lines_ptr;
-  int		i, num_lines;
-  int		tmp_x, tmp_y;
-  int		color;
-
-  color = (((text->color->red & 0xff00) << 16) |
-	   ((text->color->green & 0xff00) << 8) |
-	   (text->color->blue & 0xff00) |
-	   (text->alpha & 0xff));
-  lines = (TextLineInfo) ZnListArray(text->text_info);
-  num_lines = ZnListSize(text->text_info);  
-  if (!text->fb) {
-    text->fb = GetFontBitmap(wi->win, text->font);
+  int		i, num_lines, num_chars;
+
+  if (!text->text_info) {
+    return;
   }
+  if (!text->txf) {
+    text->txf = GetTexFont(wi->win, text->font);
+  }
+  glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+  glEnable(GL_TEXTURE_2D);
+  glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+  glColor4us(text->color->red, text->color->green,
+	     text->color->blue, text->alpha*65535/100);
+  glBindTexture(GL_TEXTURE_2D, text->txf->texobj);
+
+  lines = (TextLineInfo) ZnListArray(text->text_info);
+  num_lines = ZnListSize(text->text_info);
 
   for (i = 0, lines_ptr = lines; i < num_lines; i++, lines_ptr++) {
-    tmp_x = (int)(text->pos_dev.x + lines_ptr->text_origin.x);
-    tmp_y = (int)(text->pos_dev.y + lines_ptr->text_origin.y) - text->fb->ascent;
-    rgb_text(wi->buf.buf, wi->buf.ox, wi->buf.oy,
-	     wi->buf.cx, wi->buf.cy, wi->buf.rowstride,
-	     lines_ptr->start, lines_ptr->num_chars,
-	     tmp_x, tmp_y, text->fb, color);
+    num_chars = lines_ptr->num_chars;
+    while (lines_ptr->start[num_chars-1] == '\n') {
+      num_chars--;
+    }
+    glPushMatrix();
+    glTranslatef(text->pos_dev.x + lines_ptr->text_origin.x,
+		 text->pos_dev.y + lines_ptr->text_origin.y,
+		 0.0);
+    txfRenderString(text->txf, lines_ptr->start, num_chars);
+    glPopMatrix();    
   }
+  glDisable(GL_TEXTURE_2D);
 #endif
 }
 
@@ -991,6 +1000,10 @@ PointToChar(Item	item,
   TextLineInfo	lines, p;
   Tk_FontMetrics fm;
 
+  if (!text->text_info) {
+    return 0;
+  }
+  
   x -= text->pos_dev.x;
   y -= text->pos_dev.y;
   
@@ -1186,6 +1199,10 @@ DeleteChars(Item	item,
   int		count;
   char		*new;
   
+  if (!text->text_info) {
+    return;
+  }
+  
   if (first < 0) {
     first = 0;
   }
@@ -1293,7 +1310,7 @@ Selection(Item	item,
     return 0;
   }
   strncpy(chars, text->text + wi->text_info.sel_first + offset, (size_t) count);
-  chars[count] = '\0';
+  chars[count] = 0;
   
   return count;
 }
-- 
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