/**
* 程序的文件目录，如果setting配置的是android，标志目录位于/sdcard/Application/PackageName/...下<br>
* 否则，就是/sdcard/setting[root_path]/...目录
*
* @return
*/
public String getAppPath() {
if ("android".equals(SettingUtility.getStringSetting("root_path")))
return getExternalCacheDir().getAbsolutePath() + File.separator;
return SdcardUtils.getSdcardPath()
+ File.separator
+ SettingUtility.getStringSetting("root_path")
+ File.separator;
}
public static File getUploadFile(File source) {
if (source.getName().toLowerCase().endsWith(".gif")) {
Logger.w("上传图片是GIF图片，上传原图");
return source;
}
File file = null;
String imagePath =
GlobalContext.getInstance().getAppPath()
+ SettingUtility.getStringSetting("draft")
+ File.separator;
int sample = 1;
int maxSize = 0;
int type = AppSettings.getUploadSetting();
// 自动，WIFI时原图，移动网络时高
if (type == 0) {
if (SystemUtils.getNetworkType() == SystemUtils.NetWorkType.wifi) type = 1;
else type = 2;
}
BitmapFactory.Options opts = new BitmapFactory.Options();
opts.inJustDecodeBounds = true;
BitmapFactory.decodeFile(source.getAbsolutePath(), opts);
switch (type) {
// 原图
case 1:
Logger.w("原图上传");
file = source;
break;
// 高
case 2:
sample = BitmapDecoder.calculateInSampleSize(opts, 1920, 1080);
Logger.w("高质量上传");
maxSize = 700 * 1024;
imagePath = imagePath + "高" + File.separator + source.getName();
file = new File(imagePath);
break;
// 中
case 3:
Logger.w("中质量上传");
sample = BitmapDecoder.calculateInSampleSize(opts, 1280, 720);
maxSize = 300 * 1024;
imagePath = imagePath + "中" + File.separator + source.getName();
file = new File(imagePath);
break;
// 低
case 4:
Logger.w("低质量上传");
sample = BitmapDecoder.calculateInSampleSize(opts, 1280, 720);
maxSize = 100 * 1024;
imagePath = imagePath + "低" + File.separator + source.getName();
file = new File(imagePath);
break;
default:
break;
}
// 压缩图片
if (type != 1 && !file.exists()) {
Logger.w(String.format("压缩图片，原图片 path = %s", source.getAbsolutePath()));
byte[] imageBytes = FileUtils.readFileToBytes(source);
ByteArrayOutputStream out = new ByteArrayOutputStream();
try {
out.write(imageBytes);
} catch (Exception e) {
}
Logger.w(String.format("原图片大小%sK", String.valueOf(imageBytes.length / 1024)));
if (imageBytes.length > maxSize) {
// 尺寸做压缩
BitmapFactory.Options options = new BitmapFactory.Options();
if (sample > 1) {
options.inSampleSize = sample;
Bitmap bitmap = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length, options);
Logger.w(String.format("压缩图片至大小：%d*%d", bitmap.getWidth(), bitmap.getHeight()));
out.reset();
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);
imageBytes = out.toByteArray();
}
options.inSampleSize = 1;
if (imageBytes.length > maxSize) {
BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length, options);
Bitmap bitmap = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length, options);
int quality = 90;
out.reset();
Logger.w(String.format("压缩图片至原来的百分之%d大小", quality));
bitmap.compress(Bitmap.CompressFormat.JPEG, quality, out);
while (out.toByteArray().length > maxSize) {
out.reset();
quality -= 10;
Logger.w(String.format("压缩图片至原来的百分之%d大小", quality));
bitmap.compress(Bitmap.CompressFormat.JPEG, quality, out);
}
}
}
try {
if (!file.getParentFile().exists()) file.getParentFile().mkdirs();
Logger.w(String.format("最终图片大小%sK", String.valueOf(out.toByteArray().length / 1024)));
FileOutputStream fo = new FileOutputStream(file);
fo.write(out.toByteArray());
fo.flush();
fo.close();
} catch (Exception e) {
e.printStackTrace();
}
}
return file;
}