+ {
+ if (strlen(line_ptr) <= line_length)
+ {
+ buffer_len = strlen(line_ptr);
+ strcpy(buffer, line_ptr);
+ }
+ else
+ {
+ buffer_len = line_length;
+ strncpy(buffer, line_ptr, line_length);
+ }
+
+ buffer[buffer_len] = '\0';
+ line_ptr += buffer_len;
+
+ buffer_filled = TRUE;
+ }
+#else
+ boolean buffer_filled = RenderLineToBuffer(&line_ptr, buffer, &buffer_len,
+ line_length, last_line_was_empty);
+#endif
+
+ if (buffer_filled)
+ {
+ DrawText(x, y + current_line * font_height, buffer, font_nr);
+ current_line++;
+
+ last_line_was_empty = (buffer_len == 0);
+
+ buffer[0] = '\0';
+ buffer_len = 0;
+ }
+ }
+ }
+
+ fclose(file);
+
+ if (buffer_len > 0 && current_line < max_lines)
+ {
+ DrawText(x, y + current_line * font_height, buffer, font_nr);
+ current_line++;
+ }
+
+ return current_line;
+}
+#endif
+
+static boolean getCheckedTokenValueFromString(char *string, char **token,
+ char **value)
+{
+ char *ptr;
+
+ if (!getTokenValueFromString(string, token, value))
+ return FALSE;
+
+ if (**token != '.') /* token should begin with dot */
+ return FALSE;
+
+ for (ptr = *token; *ptr; ptr++) /* token should contain no whitespace */
+ if (*ptr == ' ' || *ptr == '\t')
+ return FALSE;
+
+ for (ptr = *value; *ptr; ptr++) /* value should contain no whitespace */
+ if (*ptr == ' ' || *ptr == '\t')
+ return FALSE;
+
+ return TRUE;
+}
+
+static void DrawTextBuffer_Flush(int x, int y, char *buffer, int font_nr,
+ int line_length, int cut_length,
+ int line_spacing, int mask_mode,
+ boolean centered, int current_line)
+{
+ int buffer_len = strlen(buffer);
+ int font_width = getFontWidth(font_nr);
+ int font_height = getFontHeight(font_nr);
+ int offset_chars = (centered ? (line_length - buffer_len) / 2 : 0);
+ int offset_xsize =
+ (centered ? font_width * (line_length - buffer_len) / 2 : 0);
+ int final_cut_length = MAX(0, cut_length - offset_chars);
+ int xx = x + offset_xsize;
+ int yy = y + current_line * (font_height + line_spacing);
+
+ buffer[final_cut_length] = '\0';
+
+ if (mask_mode != -1)
+ DrawTextExt(drawto, xx, yy, buffer, font_nr, mask_mode);
+ else
+ DrawText(xx, yy, buffer, font_nr);
+}
+
+int DrawTextBuffer(int x, int y, char *text_buffer, int font_nr,
+ int line_length, int cut_length, int max_lines,
+ int line_spacing, int mask_mode, boolean autowrap,
+ boolean centered, boolean parse_comments)
+{
+#if 0
+ int font_width = getFontWidth(font_nr);
+ int font_height = getFontHeight(font_nr);
+#endif
+ char buffer[line_length + 1];
+ int buffer_len;
+ int current_line = 0;
+
+ if (text_buffer == NULL || *text_buffer == '\0')
+ return 0;
+
+ if (current_line >= max_lines)
+ return 0;
+
+ if (cut_length == -1)
+ cut_length = line_length;
+
+ buffer[0] = '\0';
+ buffer_len = 0;
+
+ while (*text_buffer && current_line < max_lines)
+ {
+ char line[MAX_LINE_LEN + 1];
+ char *line_ptr;
+ boolean last_line_was_empty = TRUE;
+#if 1
+ int num_line_chars = MAX_LINE_LEN;
+#else
+ int num_line_chars = (autowrap ? MAX_LINE_LEN : line_length);
+#endif
+ int i;
+
+ /* copy next line from text buffer to line buffer (nearly fgets() style) */
+ for (i = 0; i < num_line_chars && *text_buffer; i++)
+ if ((line[i] = *text_buffer++) == '\n')
+ break;
+ line[i] = '\0';
+
+ /* prevent 'num_line_chars' sized lines to cause additional empty line */
+ if (i == num_line_chars && *text_buffer == '\n')
+ text_buffer++;
+
+ /* skip comments (lines directly beginning with '#') */
+ if (line[0] == '#' && parse_comments)
+ {
+ char *token, *value;
+
+ /* try to read generic token/value pair definition after comment sign */
+ if (getCheckedTokenValueFromString(line + 1, &token, &value))
+ {
+ /* if found, flush the current buffer, if non-empty */
+ if (buffer_len > 0 && current_line < max_lines)
+ {
+ DrawTextBuffer_Flush(x, y, buffer, font_nr, line_length, cut_length,
+ line_spacing, mask_mode, centered, current_line);
+
+ current_line++;
+
+ buffer[0] = '\0';
+ buffer_len = 0;
+ }
+
+ if (strEqual(token, ".font"))
+ font_nr = gfx.get_font_from_token_function(value);
+ else if (strEqual(token, ".autowrap"))
+ autowrap = get_boolean_from_string(value);
+ else if (strEqual(token, ".centered"))
+ centered = get_boolean_from_string(value);
+ else if (strEqual(token, ".parse_comments"))
+ parse_comments = get_boolean_from_string(value);
+ }
+
+ continue;