Nikolay Sivov : dwrite: Support DWRITE_TRIMMING_GRANULARITY_WORD mode.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 096df5f5baa11d8417309c5dc4a776b4c8bb89db
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=096df5f5baa11d8417309c5dc4a776b4c8bb89db

Author: Nikolay Sivov <nsivov at codeweavers.com>
Date:   Mon Sep 11 12:37:14 2017 +0300

dwrite: Support DWRITE_TRIMMING_GRANULARITY_WORD mode.

Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/dwrite/layout.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/dlls/dwrite/layout.c b/dlls/dwrite/layout.c
index 9109107..4b67ce0 100644
--- a/dlls/dwrite/layout.c
+++ b/dlls/dwrite/layout.c
@@ -1879,7 +1879,15 @@ static void layout_add_line(struct dwrite_textlayout *layout, UINT32 first_clust
             while (last_cluster > first_cluster) {
                 if (trimmed_width + sign_metrics.width <= layout->metrics.layoutWidth)
                     break;
-                trimmed_width -= layout->clustermetrics[last_cluster--].width;
+                if (layout->format.trimming.granularity == DWRITE_TRIMMING_GRANULARITY_CHARACTER)
+                    trimmed_width -= layout->clustermetrics[last_cluster--].width;
+                else {
+                    while (last_cluster > first_cluster) {
+                        trimmed_width -= layout->clustermetrics[last_cluster].width;
+                        if (layout->clustermetrics[last_cluster--].canWrapLineAfter)
+                            break;
+                    }
+                }
             }
             append_trimming_run = TRUE;
         }