Fixed bug #42434 (ImageLine w/ antialias = 1px shorter)

 - patch by wojjie at gmail dot com

diff --git a/ext/gd/libgd/gd.c b/ext/gd/libgd/gd.c
index 5d9a9d24c9499c4385692b30bb05e7aca4764673..05def991b6436e9c907e5594d8e317554c8ef901 100644 (file)
--- a/ext/gd/libgd/gd.c
+++ b/ext/gd/libgd/gd.c
@@ -1358,7 +1358,7 @@ void gdImageAALine (gdImagePtr im, int x1, int y1, int x2, int y2, int col)
                x = x1 << 16;
                y = y1 << 16;
                inc = (dy * 65536) / dx;
-               while ((x >> 16) < x2) {
+               while ((x >> 16) <= x2) {
                        gdImageSetAAPixelColor(im, x >> 16, y >> 16, col, (y >> 8) & 0xFF);
                        if ((y >> 16) + 1 < im->sy) {
                                gdImageSetAAPixelColor(im, x >> 16, (y >> 16) + 1,col, (~y >> 8) & 0xFF);
@@ -1380,7 +1380,7 @@ void gdImageAALine (gdImagePtr im, int x1, int y1, int x2, int y2, int col)
                x = x1 << 16;
                y = y1 << 16;
                inc = (dx * 65536) / dy;
-               while ((y>>16) < y2) {
+               while ((y>>16) <= y2) {
                        gdImageSetAAPixelColor(im, x >> 16, y >> 16, col, (x >> 8) & 0xFF);
                        if ((x >> 16) + 1 < im->sx) {
                                gdImageSetAAPixelColor(im, (x >> 16) + 1, (y >> 16),col, (~x >> 8) & 0xFF);