rnd-20030902-1-src

[rocksndiamonds.git] / src / libgame / text.c

diff --git a/src/libgame/text.c b/src/libgame/text.c
index 5558fc1c2b8efb471a4f994dfdc050fead8b6118..6b5f03e0e521529b36f5f9b088342cd3cb029459 100644 (file)
--- a/src/libgame/text.c
+++ b/src/libgame/text.c
@@ -144,6 +144,11 @@ int getFontHeight(int font_nr)
   return gfx.font_bitmap_info[font_bitmap_id].height;
 }
 
+int getTextWidth(char *text, int font_nr)
+{
+  return (text != NULL ? strlen(text) * getFontWidth(font_nr) : 0);
+}
+
 static char getFontCharPosition(int font_nr, char c)
 {
   int font_bitmap_id = gfx.select_font_function(font_nr);
@@ -179,11 +184,9 @@ void DrawInitText(char *text, int ypos, int font_nr)
       gfx.num_fonts > 0 &&
       gfx.font_bitmap_info[font_nr].bitmap != NULL)
   {
-    int text_width = strlen(text) * getFontWidth(font_nr);
-
     ClearRectangle(window, 0, ypos, video.width, getFontHeight(font_nr));
-    DrawTextExt(window, (video.width - text_width) / 2, ypos, text, font_nr,
-               BLIT_OPAQUE);
+    DrawTextExt(window, (video.width - getTextWidth(text, font_nr)) / 2, ypos,
+               text, font_nr, BLIT_OPAQUE);
     FlushDisplay();
   }
 }
@@ -200,7 +203,7 @@ void DrawTextFCentered(int y, int font_nr, char *format, ...)
   if (strlen(buffer) > MAX_OUTPUT_LINESIZE)
     Error(ERR_EXIT, "string too long in DrawTextFCentered() -- aborting");
 
-  DrawText(gfx.sx + (gfx.sxsize - strlen(buffer) * getFontWidth(font_nr)) / 2,
+  DrawText(gfx.sx + (gfx.sxsize - getTextWidth(buffer, font_nr)) / 2,
           gfx.sy + y, buffer, font_nr);
 }
 
@@ -256,6 +259,9 @@ void DrawTextExt(DrawBuffer *dst_bitmap, int dst_x, int dst_y, char *text,
   {
     char c = *text_ptr++;
 
+    if (c == '\n')
+      c = ' ';         /* print space instaed of newline */
+
     getFontCharSource(font_nr, c, &src_bitmap, &src_x, &src_y);
 
     if (mask_mode == BLIT_INVERSE)     /* special mode for text gadgets */
@@ -319,3 +325,28 @@ void DrawTextExt(DrawBuffer *dst_bitmap, int dst_x, int dst_y, char *text,
     dst_x += font_width;
   }
 }
+
+void DrawTextToTextArea(int x, int y, char *text, int font_nr,
+                       int area_xsize, int area_ysize)
+{
+  int area_line = 0;
+  int font_height = getFontHeight(font_nr);
+
+  if (text == NULL)
+    return;
+
+  while (*text && area_line < area_ysize)
+  {
+    char buffer[MAX_OUTPUT_LINESIZE + 1];
+    int i;
+
+    for (i=0; i < area_xsize && *text; i++)
+      if ((buffer[i] = *text++) == '\n')
+       break;
+    buffer[i] = '\0';
+
+    DrawText(x, y + area_line * font_height, buffer, font_nr);
+
+    area_line++;
+  }
+}