public static void SaveJpeg(Image img, Stream stream,
FreeImageJpegQualityType freeImageJpegQualityType, FreeImageJpegSubSamplingType freeImageJpegSubSamplingType)
{
using (FreeImageAPI.FreeImageBitmap fib = new FreeImageAPI.FreeImageBitmap(img))
{
FREE_IMAGE_SAVE_FLAGS jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYSUPERB;
FREE_IMAGE_SAVE_FLAGS jpgSubSampling = FREE_IMAGE_SAVE_FLAGS.JPEG_SUBSAMPLING_444;
switch (freeImageJpegQualityType)
{
case FreeImageJpegQualityType.JPEG_QUALITYAVERAGE:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYAVERAGE;
break;
case FreeImageJpegQualityType.JPEG_QUALITYBAD:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYBAD;
break;
case FreeImageJpegQualityType.JPEG_QUALITYGOOD:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYGOOD;
break;
case FreeImageJpegQualityType.JPEG_QUALITYNORMAL:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYNORMAL;
break;
case FreeImageJpegQualityType.JPEG_QUALITYSUPERB:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYSUPERB;
break;
case FreeImageJpegQualityType.JPEG_PROGRESSIVE_QUALITYAVERAGE:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_PROGRESSIVE | FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYAVERAGE;
break;
case FreeImageJpegQualityType.JPEG_PROGRESSIVE_QUALITYBAD:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_PROGRESSIVE | FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYBAD;
break;
case FreeImageJpegQualityType.JPEG_PROGRESSIVE_QUALITYGOOD:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_PROGRESSIVE | FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYGOOD;
break;
case FreeImageJpegQualityType.JPEG_PROGRESSIVE_QUALITYNORMAL:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_PROGRESSIVE | FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYNORMAL;
break;
case FreeImageJpegQualityType.JPEG_PROGRESSIVE_QUALITYSUPERB:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_PROGRESSIVE | FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYSUPERB;
break;
}
switch (freeImageJpegSubSamplingType)
{
case FreeImageJpegSubSamplingType.JPEG_SUBSAMPLING_411:
jpgSubSampling = FREE_IMAGE_SAVE_FLAGS.JPEG_SUBSAMPLING_411;
break;
case FreeImageJpegSubSamplingType.JPEG_SUBSAMPLING_420:
jpgSubSampling = FREE_IMAGE_SAVE_FLAGS.JPEG_SUBSAMPLING_420;
break;
case FreeImageJpegSubSamplingType.JPEG_SUBSAMPLING_422:
jpgSubSampling = FREE_IMAGE_SAVE_FLAGS.JPEG_SUBSAMPLING_422;
break;
case FreeImageJpegSubSamplingType.JPEG_SUBSAMPLING_444:
jpgSubSampling = FREE_IMAGE_SAVE_FLAGS.JPEG_SUBSAMPLING_444;
break;
}
fib.Save(stream, FreeImageAPI.FREE_IMAGE_FORMAT.FIF_JPEG, jpgQuality | jpgSubSampling);
}
}
public static void SaveJpeg(Image img, Stream stream,
FreeImageJpegQualityType freeImageJpegQualityType, FreeImageJpegSubSamplingType freeImageJpegSubSamplingType)
{
using (FreeImageAPI.FreeImageBitmap fib = new FreeImageAPI.FreeImageBitmap(img))
{
FREE_IMAGE_SAVE_FLAGS jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYSUPERB;
FREE_IMAGE_SAVE_FLAGS jpgSubSampling = FREE_IMAGE_SAVE_FLAGS.JPEG_SUBSAMPLING_444;
switch (freeImageJpegQualityType)
{
case FreeImageJpegQualityType.JPEG_QUALITYAVERAGE:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYAVERAGE;
break;
case FreeImageJpegQualityType.JPEG_QUALITYBAD:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYBAD;
break;
case FreeImageJpegQualityType.JPEG_QUALITYGOOD:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYGOOD;
break;
case FreeImageJpegQualityType.JPEG_QUALITYNORMAL:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYNORMAL;
break;
case FreeImageJpegQualityType.JPEG_QUALITYSUPERB:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYSUPERB;
break;
case FreeImageJpegQualityType.JPEG_PROGRESSIVE_QUALITYAVERAGE:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_PROGRESSIVE | FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYAVERAGE;
break;
case FreeImageJpegQualityType.JPEG_PROGRESSIVE_QUALITYBAD:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_PROGRESSIVE | FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYBAD;
break;
case FreeImageJpegQualityType.JPEG_PROGRESSIVE_QUALITYGOOD:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_PROGRESSIVE | FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYGOOD;
break;
case FreeImageJpegQualityType.JPEG_PROGRESSIVE_QUALITYNORMAL:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_PROGRESSIVE | FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYNORMAL;
break;
case FreeImageJpegQualityType.JPEG_PROGRESSIVE_QUALITYSUPERB:
jpgQuality = FREE_IMAGE_SAVE_FLAGS.JPEG_PROGRESSIVE | FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYSUPERB;
break;
}
switch (freeImageJpegSubSamplingType)
{
case FreeImageJpegSubSamplingType.JPEG_SUBSAMPLING_411:
jpgSubSampling = FREE_IMAGE_SAVE_FLAGS.JPEG_SUBSAMPLING_411;
break;
case FreeImageJpegSubSamplingType.JPEG_SUBSAMPLING_420:
jpgSubSampling = FREE_IMAGE_SAVE_FLAGS.JPEG_SUBSAMPLING_420;
break;
case FreeImageJpegSubSamplingType.JPEG_SUBSAMPLING_422:
jpgSubSampling = FREE_IMAGE_SAVE_FLAGS.JPEG_SUBSAMPLING_422;
break;
case FreeImageJpegSubSamplingType.JPEG_SUBSAMPLING_444:
jpgSubSampling = FREE_IMAGE_SAVE_FLAGS.JPEG_SUBSAMPLING_444;
break;
}
fib.Save(stream, FreeImageAPI.FREE_IMAGE_FORMAT.FIF_JPEG, jpgQuality | jpgSubSampling);
}
}
