Michel2/image2cpp
1
0
Fork 0
mirror of https://github.com/javl/image2cpp.git synced 2026-07-27 19:56:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

When using horizontal or vertical alignment, always round to the nearest pixel to prevent artifacts. Fixes 23

Browse Source
This commit is contained in:
javl
2019-10-07 16:37:06 +02:00
parent 313217f8bc
commit 7f10be0721
1 changed files with 6 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
index.html
+6 -6
View File
@@ -535,8 +535,8 @@
switch(settings["scale"]){
case "1": // Original
if(settings["centerHorizontally"]){ offset_x = (canvas.width - img.width) / 2; }
if(settings["centerVertically"]){ offset_y = (canvas.height - img.height) / 2; }
if(settings["centerHorizontally"]){ offset_x = Math.round((canvas.width - img.width) / 2); }
if(settings["centerVertically"]){ offset_y = Math.round((canvas.height - img.height) / 2); }
ctx.drawImage(img, 0, 0, img.width, img.height,
offset_x, offset_y, img.width, img.height);
break;
@@ -545,8 +545,8 @@
var verRatio = canvas.height / img.height;
var useRatio = Math.min(horRatio, verRatio);
if(settings["centerHorizontally"]){ offset_x = (canvas.width - img.width*useRatio) / 2; }
if(settings["centerVertically"]){ offset_y = (canvas.height - img.height*useRatio) / 2; }
if(settings["centerHorizontally"]){ offset_x = Math.round((canvas.width - img.width*useRatio) / 2); }
if(settings["centerVertically"]){ offset_y = Math.round((canvas.height - img.height*useRatio) / 2); }
ctx.drawImage(img, 0, 0, img.width, img.height,
offset_x, offset_y, img.width * useRatio, img.height * useRatio);
break;
@@ -556,12 +556,12 @@
break;
case "4": // Stretch x (make as wide as possible)
offset_x = 0;
if(settings["centerVertically"]){ offset_y = (canvas.height - img.height) / 2; }
if(settings["centerVertically"]){ Math.round(offset_y = (canvas.height - img.height) / 2); }
ctx.drawImage(img, 0, 0, img.width, img.height,
offset_x, offset_y, canvas.width, img.height);
break;
case "5": // Stretch y (make as tall as possible)
if(settings["centerHorizontally"]){ offset_x = (canvas.width - img.width) / 2; }
if(settings["centerHorizontally"]){ offset_x = Math.round((canvas.width - img.width) / 2); }
offset_y = 0;
ctx.drawImage(img, 0, 0, img.width, img.height,
offset_x, offset_y, img.width, canvas.height);