dwrite: Update line breaking logic with Unicode 8.0.0 modifications.

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

dwrite: Update line breaking logic with Unicode 8.0.0 modifications.
10b843bb · Nikolay Sivov · Alexandre Julliard · 68c45de6 · 10b843bb
Commit 10b843bb authored Jan 24, 2016 by Nikolay Sivov Committed by Alexandre Julliard Jan 25, 2016
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analyzer.c dlls/dwrite/analyzer.c +6 -1

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--- a/dlls/dwrite/analyzer.c
+++ b/dlls/dwrite/analyzer.c
@@ -522,8 +522,9 @@ static HRESULT analyze_linebreaks(const WCHAR *text, UINT32 count, DWRITE_LINE_B
            case b_BB:
                set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
                break;
-            /* LB21a */
+            /* LB21a, LB21b */
            case b_HL:
+                /* LB21a */
                if (i < count-1)
                    switch (break_class[i+1])
                    {
@@ -531,6 +532,9 @@ static HRESULT analyze_linebreaks(const WCHAR *text, UINT32 count, DWRITE_LINE_B
                    case b_BA:
                        set_break_condition(i+1, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
                    }
+                /* LB21b */
+                if (i > 0 && break_class[i-1] == b_SY)
+                    set_break_condition(i, BreakConditionBefore, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
                break;
            /* LB22 */
            case b_IN:
@@ -540,6 +544,7 @@ static HRESULT analyze_linebreaks(const WCHAR *text, UINT32 count, DWRITE_LINE_B
                    {
                        case b_AL:
                        case b_HL:
+                        case b_EX:
                        case b_ID:
                        case b_IN:
                        case b_NU: