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tiff与GROUP4组合时，黑白图像不反色

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gb 2022-10-20 14:27:24 +08:00
parent 1b5f51516f
commit 64d1e9b2ec
1 changed files with 1 additions and 1 deletions
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2
hgdriver/hgdev/image_process.cpp
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@ -1443,7 +1443,7 @@ namespace hg_imgproc
bool tiff = conv->dst.fmt.img_format == SANE_IMAGE_TYPE_TIFF;
int resolution = bih.biXPelsPerMeter / 39.37f + .5f,
threshold = (int)(long)conv->dst.fmt.compress.detail;
cv::Mat imsg = from_bmp_file_bits(bih, data->data(), tiff || conv->dst.fmt.img_format == SANE_IMAGE_TYPE_JFIF, tiff);
cv::Mat imsg = from_bmp_file_bits(bih, data->data(), tiff || conv->dst.fmt.img_format == SANE_IMAGE_TYPE_JFIF, tiff && conv->dst.fmt.compress.compression != SANE_COMPRESSION_GROUP4);
data.reset();
if (tiff)
{