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- To: vim_dev@googlegroups.com
- Subject: Patch 7.3.781
- Fcc: outbox
- From: Bram Moolenaar <Bram@moolenaar.net>
- Mime-Version: 1.0
- Content-Type: text/plain; charset=UTF-8
- Content-Transfer-Encoding: 8bit
- ------------
-
- Patch 7.3.781
- Problem: Drawing with 'guifontwide' can be slow.
- Solution: Draw multiple characters at a time. (Taro Muraoka)
- Files: src/gui.c
-
-
- *** ../vim-7.3.780/src/gui.c 2012-11-20 12:03:02.000000000 +0100
- --- src/gui.c 2013-01-23 17:28:48.000000000 +0100
- ***************
- *** 2380,2386 ****
- int cl; /* byte length of current char */
- int comping; /* current char is composing */
- int scol = col; /* screen column */
- ! int dowide; /* use 'guifontwide' */
-
- /* Break the string at a composing character, it has to be drawn on
- * top of the previous character. */
- --- 2380,2388 ----
- int cl; /* byte length of current char */
- int comping; /* current char is composing */
- int scol = col; /* screen column */
- ! int curr_wide; /* use 'guifontwide' */
- ! int prev_wide = FALSE;
- ! int wide_changed;
-
- /* Break the string at a composing character, it has to be drawn on
- * top of the previous character. */
- ***************
- *** 2395,2403 ****
- && fontset == NOFONTSET
- # endif
- && gui.wide_font != NOFONT)
- ! dowide = TRUE;
- else
- ! dowide = FALSE;
- comping = utf_iscomposing(c);
- if (!comping) /* count cells from non-composing chars */
- cells += cn;
- --- 2397,2405 ----
- && fontset == NOFONTSET
- # endif
- && gui.wide_font != NOFONT)
- ! curr_wide = TRUE;
- else
- ! curr_wide = FALSE;
- comping = utf_iscomposing(c);
- if (!comping) /* count cells from non-composing chars */
- cells += cn;
- ***************
- *** 2405,2413 ****
- if (cl == 0) /* hit end of string */
- len = i + cl; /* len must be wrong "cannot happen" */
-
- ! /* print the string so far if it's the last character or there is
- * a composing character. */
- ! if (i + cl >= len || (comping && i > start) || dowide
- # if defined(FEAT_GUI_X11)
- || (cn > 1
- # ifdef FEAT_XFONTSET
- --- 2407,2417 ----
- if (cl == 0) /* hit end of string */
- len = i + cl; /* len must be wrong "cannot happen" */
-
- ! wide_changed = curr_wide != prev_wide;
- !
- ! /* Print the string so far if it's the last character or there is
- * a composing character. */
- ! if (i + cl >= len || (comping && i > start) || wide_changed
- # if defined(FEAT_GUI_X11)
- || (cn > 1
- # ifdef FEAT_XFONTSET
- ***************
- *** 2419,2443 ****
- # endif
- )
- {
- ! if (comping || dowide)
- thislen = i - start;
- else
- thislen = i - start + cl;
- if (thislen > 0)
- {
- gui_mch_draw_string(gui.row, scol, s + start, thislen,
- draw_flags);
- start += thislen;
- }
- scol += cells;
- cells = 0;
- ! if (dowide)
- {
- ! gui_mch_set_font(gui.wide_font);
- ! gui_mch_draw_string(gui.row, scol - cn,
- ! s + start, cl, draw_flags);
- ! gui_mch_set_font(font);
- ! start += cl;
- }
-
- # if defined(FEAT_GUI_X11)
- --- 2423,2450 ----
- # endif
- )
- {
- ! if (comping || wide_changed)
- thislen = i - start;
- else
- thislen = i - start + cl;
- if (thislen > 0)
- {
- + if (prev_wide)
- + gui_mch_set_font(gui.wide_font);
- gui_mch_draw_string(gui.row, scol, s + start, thislen,
- draw_flags);
- + if (prev_wide)
- + gui_mch_set_font(font);
- start += thislen;
- }
- scol += cells;
- cells = 0;
- ! /* Adjust to not draw a character which width is changed
- ! * against with last one. */
- ! if (wide_changed && !comping)
- {
- ! scol -= cn;
- ! cl = 0;
- }
-
- # if defined(FEAT_GUI_X11)
- ***************
- *** 2447,2453 ****
- # ifdef FEAT_XFONTSET
- && fontset == NOFONTSET
- # endif
- ! && !dowide)
- gui_mch_draw_string(gui.row, scol - 1, (char_u *)" ",
- 1, draw_flags);
- # endif
- --- 2454,2460 ----
- # ifdef FEAT_XFONTSET
- && fontset == NOFONTSET
- # endif
- ! && !wide_changed)
- gui_mch_draw_string(gui.row, scol - 1, (char_u *)" ",
- 1, draw_flags);
- # endif
- ***************
- *** 2465,2470 ****
- --- 2472,2478 ----
- # endif
- start = i + cl;
- }
- + prev_wide = curr_wide;
- }
- /* The stuff below assumes "len" is the length in screen columns. */
- len = scol - col;
- *** ../vim-7.3.780/src/version.c 2013-01-23 17:15:25.000000000 +0100
- --- src/version.c 2013-01-23 17:28:17.000000000 +0100
- ***************
- *** 727,728 ****
- --- 727,730 ----
- { /* Add new patch number below this line */
- + /**/
- + 781,
- /**/
-
- --
- GUARD #1: Where'd you get the coconut?
- ARTHUR: We found them.
- GUARD #1: Found them? In Mercea? The coconut's tropical!
- ARTHUR: What do you mean?
- GUARD #1: Well, this is a temperate zone.
- The Quest for the Holy Grail (Monty Python)
-
- /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
- /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
- \\\ an exciting new programming language -- http://www.Zimbu.org ///
- \\\ help me help AIDS victims -- http://ICCF-Holland.org ///
-