From 03c06e980deebc95487876908857e136292104ec Mon Sep 17 00:00:00 2001
From: multiSnow <multiSnow@diroot.org>
Date: Wed, 7 Dec 2022 02:06:00 +0800
Subject: [PATCH] remove undesired gap between pages if autofit scaling in
 double mode

---
 src/ssiv/widget/environ_draw.py | 45 ++++++++++++++++-----------------
 1 file changed, 22 insertions(+), 23 deletions(-)

diff --git a/src/ssiv/widget/environ_draw.py b/src/ssiv/widget/environ_draw.py
index 0bcf01c..32c8d76 100644
--- a/src/ssiv/widget/environ_draw.py
+++ b/src/ssiv/widget/environ_draw.py
@@ -346,29 +346,28 @@ def draw_dual_canvas(self):
             canvasr.draw(srcrect=srcrectr,dstrect=dstrectr)
         return preload_canvas(self)
 
-    else:
-        # autofit, downscale only if canvas is larger than output size.
-        # always show in left/rigt center, ignore canvas_offset
-        # place split gap in middle of window
-        srcrectl=srcrectr=None # entire texture
-        outer_width=max(dpl_w,dpr_w)*2
-        scale=min(area_w/outer_width,area_h/dp_h,1)
-        pge_x=area_w/2-dpl_w*scale
-        pge_y=(area_h-dp_h*scale)/2
-        pge_w=dp_w*scale
-        pge_h=dp_h*scale
-        dstl_x=dpl_x*scale+pge_x
-        dstr_x=dpr_x*scale+area_w/2
-        dstl_y=dpl_y*scale+pge_y
-        dstr_y=dpr_y*scale+pge_y
-        dstl_w=srcl_w*scale*scale_l
-        dstl_h=srcl_h*scale*scale_l
-        dstr_w=srcr_w*scale*scale_r
-        dstr_h=srcr_h*scale*scale_r
-        # apply area offset
-        pgerect=(*map(int,(pge_x+area_x,pge_y+area_y,pge_w,pge_h)),)
-        dstrectl=(*map(int,(dstl_x+area_x,dstl_y+area_y,dstl_w,dstl_h)),)
-        dstrectr=(*map(int,(dstr_x+area_x,dstr_y+area_y,dstr_w,dstr_h)),)
+    # autofit, downscale only if canvas is larger than output size.
+    # always show in left/rigt center, ignore canvas_offset
+    # place split gap in middle of window
+    srcrectl=srcrectr=None # entire texture
+    outer_width=max(dpl_w,dpr_w)*2
+    scale=min(area_w/outer_width,area_h/dp_h,1)
+    pge_x=area_w/2-dpl_w*scale
+    pge_y=(area_h-dp_h*scale)/2
+    pge_w=dp_w*scale
+    pge_h=dp_h*scale
+    dstl_x=dpl_x*scale+pge_x
+    dstr_x=dpr_x*scale+area_w/2
+    dstl_y=dpl_y*scale+pge_y
+    dstr_y=dpr_y*scale+pge_y
+    dstl_w=srcl_w*scale*scale_l
+    dstl_h=srcl_h*scale*scale_l
+    dstr_w=srcr_w*scale*scale_r
+    dstr_h=srcr_h*scale*scale_r
+    # apply area offset
+    pgerect=(*map(int,(pge_x+area_x,pge_y+area_y)),*map(ceil,(pge_w,pge_h)))
+    dstrectl=(*map(int,(dstl_x+area_x,dstl_y+area_y)),*map(ceil,(dstl_w,dstl_h)))
+    dstrectr=(*map(int,(dstr_x+area_x,dstr_y+area_y)),*map(ceil,(dstr_w,dstr_h)))
 
     if self.checker:
         if self.use_page and (canvasl.has_page or canvasr.has_page):