From 6153dc57f5ec5f24868703133a0a1295e2e1971f Mon Sep 17 00:00:00 2001 From: rubidium Date: Fri, 9 Dec 2011 22:07:00 +0000 Subject: (svn r23466) -Fix [FS#4871, FS#4874]: assertion triggered when resizing a window during ReInit by an amount that's not a multiple of the resize interval --- src/core/math_func.hpp | 11 +++++++++++ src/window.cpp | 4 ++-- 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/src/core/math_func.hpp b/src/core/math_func.hpp index 92893ed31..42c41abad 100644 --- a/src/core/math_func.hpp +++ b/src/core/math_func.hpp @@ -329,6 +329,17 @@ static FORCEINLINE uint CeilDiv(uint a, uint b) return (a + b - 1) / b; } +/** + * Computes ceil(a / b) * b for non-negative a and b. + * @param a Numerator + * @param b Denominator + * @return a rounded up to the nearest multiple of b. + */ +static FORCEINLINE uint Ceil(uint a, uint b) +{ + return CeilDiv(a, b) * b; +} + /** * Computes round(a / b) for signed a and unsigned b. * @param a Numerator diff --git a/src/window.cpp b/src/window.cpp index 285a18711..9241f6c84 100644 --- a/src/window.cpp +++ b/src/window.cpp @@ -1675,8 +1675,8 @@ void ResizeWindow(Window *w, int delta_x, int delta_y) * the resolution clamp it in such a manner that it stays within the bounts. */ int new_right = w->left + w->width + delta_x; int new_bottom = w->top + w->height + delta_y; - if (new_right >= (int)_cur_resolution.width) delta_x -= new_right - _cur_resolution.width; - if (new_bottom >= (int)_cur_resolution.height) delta_y -= new_bottom - _cur_resolution.height; + if (new_right >= (int)_cur_resolution.width) delta_x -= Ceil(new_right - _cur_resolution.width, max(1U, w->nested_root->resize_x)); + if (new_bottom >= (int)_cur_resolution.height) delta_y -= Ceil(new_bottom - _cur_resolution.height, max(1U, w->nested_root->resize_y)); w->SetDirty(); -- cgit v1.2.3-54-g00ecf