When compressing images to <32K, try lower quality values if necessary

.idea/codeStyles/Project.xml

@@ -28,11 +28,6 @@
       <option name="JD_ALIGN_EXCEPTION_COMMENTS" value="false" />
     </JavaCodeStyleSettings>
     <JetCodeStyleSettings>
-      <option name="PACKAGES_TO_USE_STAR_IMPORTS">
-        <value />
-      </option>
-      <option name="NAME_COUNT_TO_USE_STAR_IMPORT" value="2147483647" />
-      <option name="NAME_COUNT_TO_USE_STAR_IMPORT_FOR_MEMBERS" value="2147483647" />
       <option name="ALLOW_TRAILING_COMMA" value="true" />
       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
     </JetCodeStyleSettings>

briar-desktop/src/main/kotlin/org/briarproject/briar/desktop/attachment/media/ImageCompressorImpl.kt

@@ -64,8 +64,8 @@ class ImageCompressorImpl @Inject internal constructor() : ImageCompressor {
         val scaled = if (factor != 1) scaleDown(withoutAlpha, factor) else withoutAlpha
 
         // After that, compress image. Try with maximum quality and reduce until we can compress below
-        // a size of [MAX_IMAGE_SIZE]. We try quality levels 100, 90, ..., 20, 10.
-        for (quality in 100 downTo 1 step 10) {
+        // a size of [MAX_IMAGE_SIZE]. We try quality levels 100, 90, ..., 20, 10, 9, 8, ..., 2, 1.
+        for (quality in (100 downTo 1 step 10) + (9 downTo 1 step 1)) {
             val jpgWriter = ImageIO.getImageWritersByFormatName("jpg").next()
             jpgWriter.output = ImageIO.createImageOutputStream(out)