add .desktop file, fix opening images from file explorer

README.md

@@ -0,0 +1,2 @@
+# showimage
+very basic image viewer that doesn't blur images when zoomed in

showimage.desktop

@@ -0,0 +1,7 @@
+[Desktop Entry]
+Type=Application
+Name=showimage
+Exec=/bin/env showimage %u
+Categories=Other;
+MimeType=image/svg+xml
+Terminal=false

showimage.odin

@@ -14,8 +14,12 @@ main :: proc() {
 	rl.SetTargetFPS(60)
 
 	if len(os.args) > 1 {
-		path := strings.clone_to_cstring(os.args[1])
-		tex = new_clone(rl.LoadTexture(path))
+		path := os.args[1]
+		if strings.has_prefix(path, "file://") {
+			path, _ = strings.substring_from(path, 7)
+		}
+		tex = new_clone(rl.LoadTexture(strings.clone_to_cstring(path)))
+		if tex.id <= 0 { return }
 		reset_zoom()
 	}
 
@@ -44,7 +48,7 @@ main :: proc() {
 }
 
 zoom_to_power :: proc(size: i32, max: i32) -> i32 {
-	fit: i32 = 1
+	fit: i32 = 2
 	for fit * size < max {
 		fit *= 2
 	}