From e0363f85f11a3d030d380772db2d98dd5b3fdec1 Mon Sep 17 00:00:00 2001 From: Jonathan Kew Date: Wed, 22 Apr 2026 13:00:22 -0700 Subject: [PATCH 22/29] Invert sign of delta-y when computing glyph advances for ExtTextOutW --- src/win32/cairo-win32-surface.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/win32/cairo-win32-surface.c b/src/win32/cairo-win32-surface.c index eb90a4fff..87306bd91 100644 --- a/src/win32/cairo-win32-surface.c +++ b/src/win32/cairo-win32-surface.c @@ -309,7 +309,8 @@ _cairo_win32_surface_emit_glyphs (cairo_win32_surface_t *dst, next_logical_y = _cairo_lround (next_user_y); dxy_buf[j] = _cairo_lround (next_logical_x - logical_x); - dxy_buf[j+1] = _cairo_lround (next_logical_y - logical_y); + /* Note that GDI coordinate system is inverted! */ + dxy_buf[j+1] = _cairo_lround (logical_y - next_logical_y); logical_x = next_logical_x; logical_y = next_logical_y; -- 2.53.0