[reactos] 01/01: [MSPAINT] drawing.cpp: Refactor Erase, Replace and Airbrush 3

[Katayama Hirofumi MZ]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=3b4422b41b93bc6b96562…

commit 3b4422b41b93bc6b96562b2ea4d2af826a04d49b
Author:     Katayama Hirofumi MZ <katayama.hirofumi.mz(a)gmail.com>
AuthorDate: Wed Jun 14 17:14:41 2023 +0900
Commit:     Katayama Hirofumi MZ <katayama.hirofumi.mz(a)gmail.com>
CommitDate: Wed Jun 14 17:14:41 2023 +0900

    [MSPAINT] drawing.cpp: Refactor Erase, Replace and Airbrush 3
    
    CORE-18867
---
 base/applications/mspaint/drawing.cpp | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/base/applications/mspaint/drawing.cpp
b/base/applications/mspaint/drawing.cpp
index de9c925f396..600e7addd7a 100644
--- a/base/applications/mspaint/drawing.cpp
+++ b/base/applications/mspaint/drawing.cpp
@@ -117,16 +117,13 @@ void
 Erase(HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, COLORREF color, LONG radius)
 {
     LONG b = max(1, max(abs(x2 - x1), abs(y2 - y1)));
-    RECT rc;
     HBRUSH hbr = ::CreateSolidBrush(color);
 
     for (LONG a = 0; a <= b; a++)
     {
-        ::SetRect(&rc, (x1 * (b - a) + x2 * a) / b - radius,
-                       (y1 * (b - a) + y2 * a) / b - radius,
-                       (x1 * (b - a) + x2 * a) / b + radius,
-                       (y1 * (b - a) + y2 * a) / b + radius);
-
+        LONG cx = (x1 * (b - a) + x2 * a) / b;
+        LONG cy = (y1 * (b - a) + y2 * a) / b;
+        RECT rc = { cx - radius, cy - radius, cx + radius, cy + radius };
         ::FillRect(hdc, &rc, hbr);
     }
 
@@ -137,14 +134,12 @@ void
 Replace(HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, COLORREF fg, COLORREF bg, LONG
radius)
 {
     LONG b = max(1, max(abs(x2 - x1), abs(y2 - y1)));
-    RECT rc;
 
     for (LONG a = 0; a <= b; a++)
     {
-        ::SetRect(&rc, (x1 * (b - a) + x2 * a) / b - radius,
-                       (y1 * (b - a) + y2 * a) / b - radius,
-                       (x1 * (b - a) + x2 * a) / b + radius,
-                       (y1 * (b - a) + y2 * a) / b + radius);
+        LONG cx = (x1 * (b - a) + x2 * a) / b;
+        LONG cy = (y1 * (b - a) + y2 * a) / b;
+        RECT rc = { cx - radius, cy - radius, cx + radius, cy + radius };
         for (LONG y = rc.top; y < rc.bottom; ++y)
         {
             for (LONG x = rc.left; x < rc.right; ++x)