X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Ftext.c;h=6b5f03e0e521529b36f5f9b088342cd3cb029459;hb=86b0ea5594dc5a9db7ac5d71fa2b7487a4fc1f9d;hp=2ba68ae816347262b48ff4dd1118893a57c37a99;hpb=75add713b14147fbd222c48504c4e797f3125286;p=rocksndiamonds.git

diff --git a/src/libgame/text.c b/src/libgame/text.c
index 2ba68ae8..6b5f03e0 100644
--- a/src/libgame/text.c
+++ b/src/libgame/text.c
@@ -27,34 +27,11 @@ static GC	font_clip_gc = None;
 
 static void InitFontClipmasks()
 {
-  static int last_num_fonts = 0;
   XGCValues clip_gc_values;
   unsigned long clip_gc_valuemask;
   GC copy_clipmask_gc;
   int i, j;
 
-  if (gfx.num_fonts == 0 || gfx.font_bitmap_info[0].bitmap == NULL)
-    return;
-
-  for (i=0; i < last_num_fonts; i++)
-  {
-    if (gfx.font_bitmap_info[i].clip_mask)
-    {
-      for (j=0; j < gfx.font_bitmap_info[i].last_num_chars; j++)
-	XFreePixmap(display, gfx.font_bitmap_info[i].clip_mask[j]);
-      free(gfx.font_bitmap_info[i].clip_mask);
-    }
-
-    gfx.font_bitmap_info[i].clip_mask = NULL;
-    gfx.font_bitmap_info[i].last_num_chars = 0;
-  }
-
-  last_num_fonts = gfx.num_fonts;
-
-  if (font_clip_gc)
-    XFreeGC(display, font_clip_gc);
-  font_clip_gc = None;
-
   /* This stuff is needed because X11 (XSetClipOrigin(), to be precise) is
      often very slow when preparing a masked XCopyArea() for big Pixmaps.
      To prevent this, create small (tile-sized) mask Pixmaps which will then
@@ -80,7 +57,6 @@ static void InitFontClipmasks()
 
     gfx.font_bitmap_info[i].clip_mask =
       checked_calloc(gfx.font_bitmap_info[i].num_chars * sizeof(Pixmap));
-    gfx.font_bitmap_info[i].last_num_chars = gfx.font_bitmap_info[i].num_chars;
 
     for (j=0; j < gfx.font_bitmap_info[i].num_chars; j++)
     {
@@ -103,6 +79,31 @@ static void InitFontClipmasks()
 
   XFreeGC(display, copy_clipmask_gc);
 }
+
+static void FreeFontClipmasks()
+{
+  int i, j;
+
+  if (gfx.num_fonts == 0 || gfx.font_bitmap_info[0].bitmap == NULL)
+    return;
+
+  for (i=0; i < gfx.num_fonts; i++)
+  {
+    if (gfx.font_bitmap_info[i].clip_mask)
+    {
+      for (j=0; j < gfx.font_bitmap_info[i].num_chars; j++)
+	XFreePixmap(display, gfx.font_bitmap_info[i].clip_mask[j]);
+      free(gfx.font_bitmap_info[i].clip_mask);
+    }
+
+    gfx.font_bitmap_info[i].clip_mask = NULL;
+    gfx.font_bitmap_info[i].num_chars = 0;
+  }
+
+  if (font_clip_gc)
+    XFreeGC(display, font_clip_gc);
+  font_clip_gc = None;
+}
 #endif /* TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND */
 
 void InitFontInfo(struct FontBitmapInfo *font_bitmap_info, int num_fonts,
@@ -111,16 +112,22 @@ void InitFontInfo(struct FontBitmapInfo *font_bitmap_info, int num_fonts,
   gfx.num_fonts = num_fonts;
   gfx.font_bitmap_info = font_bitmap_info;
   gfx.select_font_function = select_font_function;
-  gfx.inverse_text_color = WHITE_PIXEL;
 
 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
   InitFontClipmasks();
 #endif
 }
 
-void SetInverseTextColor(Pixel inverse_text_color)
+void FreeFontInfo(struct FontBitmapInfo *font_bitmap_info)
 {
-  gfx.inverse_text_color = inverse_text_color;
+  if (font_bitmap_info == NULL)
+    return;
+
+#if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
+  FreeFontClipmasks();
+#endif
+
+  free(font_bitmap_info);
 }
 
 int getFontWidth(int font_nr)
@@ -137,6 +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);
@@ -172,11 +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();
   }
 }
@@ -193,7 +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);
 }
 
@@ -217,7 +227,7 @@ void DrawText(int x, int y, char *text, int font_nr)
   int mask_mode = BLIT_OPAQUE;
 
   if (DrawingOnBackground(x, y))
-    mask_mode = BLIT_MASKED;
+    mask_mode = BLIT_ON_BACKGROUND;
 
   DrawTextExt(drawto, x, y, text, font_nr, mask_mode);
 
@@ -249,19 +259,13 @@ 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 */
     {
-#if defined(TARGET_SDL)
-      /* blit normally (non-masked) */
-      BlitBitmap(src_bitmap, dst_bitmap, src_x, src_y,
-		 font_width, font_height, dst_x, dst_y);
-
-      /* invert character */
-      SDLInvertArea(dst_bitmap, dst_x, dst_y, font_width, font_height,
-		    gfx.inverse_text_color);
-#else
       /* first step: draw solid colored rectangle (use "cursor" character) */
       if (strlen(text) == 1)	/* only one char inverted => draw cursor */
       {
@@ -275,6 +279,11 @@ void DrawTextExt(DrawBuffer *dst_bitmap, int dst_x, int dst_y, char *text,
 		   font_width, font_height, dst_x, dst_y);
       }
 
+#if defined(TARGET_SDL)
+      /* second step: draw masked inverted character */
+      SDLCopyInverseMasked(src_bitmap, dst_bitmap, src_x, src_y,
+			   font_width, font_height, dst_x, dst_y);
+#else
       /* second step: draw masked black rectangle (use "space" character) */
       SetClipOrigin(src_bitmap, src_bitmap->stored_clip_gc,
 		    dst_x - src_x, dst_y - src_y);
@@ -282,11 +291,14 @@ void DrawTextExt(DrawBuffer *dst_bitmap, int dst_x, int dst_y, char *text,
 		       font_width, font_height, dst_x, dst_y);
 #endif
     }
-    else if (mask_mode == BLIT_MASKED)
+    else if (mask_mode == BLIT_MASKED || mask_mode == BLIT_ON_BACKGROUND)
     {
-      /* clear font character background */
-      ClearRectangleOnBackground(dst_bitmap, dst_x, dst_y,
-				 font_width, font_height);
+      if (mask_mode == BLIT_ON_BACKGROUND)
+      {
+	/* clear font character background */
+	ClearRectangleOnBackground(dst_bitmap, dst_x, dst_y,
+				   font_width, font_height);
+      }
 
 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
       /* use special font tile clipmasks */
@@ -313,3 +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++;
+  }
+}