opencv/modules/imgcodecs/misc/java/test/ImgcodecsTest.java
Suleyman TURKMEN db962ea069
Merge pull request #26813 from sturkmen72:fix_animation
Added CV_WRAP to Animation struct #26813

closes #26808
### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [x] There is a reference to the original bug report and related work
- [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [ ] The feature is well documented and sample code can be built with the project CMake
2025-01-22 10:40:08 +03:00

97 lines
3.0 KiB
Java

package org.opencv.test.imgcodecs;
import org.opencv.core.Mat;
import org.opencv.core.MatOfByte;
import org.opencv.core.MatOfInt;
import org.opencv.imgproc.Imgproc;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.imgcodecs.Animation;
import org.opencv.test.OpenCVTestCase;
import org.opencv.test.OpenCVTestRunner;
import java.util.ArrayList;
import java.util.List;
public class ImgcodecsTest extends OpenCVTestCase {
public void testAnimation() {
Mat src = Imgcodecs.imread(OpenCVTestRunner.LENA_PATH, Imgcodecs.IMREAD_REDUCED_COLOR_4);
assertFalse(src.empty());
Mat rgb = new Mat();
Imgproc.cvtColor(src, rgb, Imgproc.COLOR_BGR2RGB);
Animation animation = new Animation();
List<Mat> frames = new ArrayList<>();
MatOfInt durations = new MatOfInt(100, 100);
frames.add(src);
frames.add(rgb);
animation.set_frames(frames);
animation.set_durations(durations);
String filename = OpenCVTestRunner.getTempFileName("png");
assertTrue(Imgcodecs.imwriteanimation(filename, animation));
Animation readAnimation = new Animation();
assertTrue(Imgcodecs.imreadanimation(filename, readAnimation));
List<Mat> readFrames = readAnimation.get_frames();
assertTrue(readFrames.size() == 2);
}
public void testImdecode() {
fail("Not yet implemented");
}
public void testImencodeStringMatListOfByte() {
MatOfByte buff = new MatOfByte();
assertEquals(0, buff.total());
assertTrue( Imgcodecs.imencode(".jpg", gray127, buff) );
assertFalse(0 == buff.total());
}
public void testImencodeStringMatListOfByteListOfInteger() {
MatOfInt params40 = new MatOfInt(Imgcodecs.IMWRITE_JPEG_QUALITY, 40);
MatOfInt params90 = new MatOfInt(Imgcodecs.IMWRITE_JPEG_QUALITY, 90);
/* or
MatOfInt params = new MatOfInt();
params.fromArray(Imgcodecs.IMWRITE_JPEG_QUALITY, 40);
*/
MatOfByte buff40 = new MatOfByte();
MatOfByte buff90 = new MatOfByte();
assertTrue( Imgcodecs.imencode(".jpg", rgbLena, buff40, params40) );
assertTrue( Imgcodecs.imencode(".jpg", rgbLena, buff90, params90) );
assertTrue(buff40.total() > 0);
assertTrue(buff40.total() < buff90.total());
}
public void testImreadString() {
dst = Imgcodecs.imread(OpenCVTestRunner.LENA_PATH);
assertFalse(dst.empty());
assertEquals(3, dst.channels());
assertTrue(512 == dst.cols());
assertTrue(512 == dst.rows());
}
public void testImreadStringInt() {
dst = Imgcodecs.imread(OpenCVTestRunner.LENA_PATH, Imgcodecs.IMREAD_GRAYSCALE);
assertFalse(dst.empty());
assertEquals(1, dst.channels());
assertTrue(512 == dst.cols());
assertTrue(512 == dst.rows());
}
public void testImwriteStringMat() {
fail("Not yet implemented");
}
public void testImwriteStringMatListOfInteger() {
fail("Not yet implemented");
}
}