nessar/SnapEdit
Archived
1
0 Fork 0
Code Issues 1 Packages Projects Releases Wiki Activity

added all other functions (errors don't show up on screen). Still need to finish gaussenFilter

Browse Source
This commit is contained in:
keahorvath committed 2023-03-15 16:20:45 +01:00
1 parent c058036459
commit 435f8510fe
1 file changed
+116 -25
Download Patch File Download Diff File Expand all files Collapse all files
backend/src/main/java/pdl/backend/ImageController.java
+116 -25
View File
@@ -105,32 +105,123 @@ public class ImageController {
}
if (parameters.containsKey("algorithm")) {
if (parameters.get("algorithm").equals("changeLuminosity") && parameters.containsKey("delta")) {
BufferedImage bufImg;
try {
bufImg = ImageIO.read(new ByteArrayInputStream(image.get().getData()));
} catch (IOException e) {
return new ResponseEntity<>("Image not readable",
HttpStatus.INTERNAL_SERVER_ERROR);
}
Planar<GrayU8> input = ConvertBufferedImage.convertFromPlanar(bufImg, null,
true, GrayU8.class);
ImageProcessing.changeLuminosity(input, Integer.parseInt(parameters.get("delta")));
bufImg = ConvertBufferedImage.convertTo_U8(input, null, true);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
ImageIO.write(bufImg, image.get().getMediaType().getSubtype(), baos);
} catch (IOException e) {
return new ResponseEntity<>("Image couldn't be converted",
HttpStatus.INTERNAL_SERVER_ERROR);
}
byte[] imageData = baos.toByteArray();
InputStream inputStream = new ByteArrayInputStream(imageData);
return ResponseEntity.ok().contentType(image.get().getMediaType())
.body(new InputStreamResource(inputStream));
String algo = parameters.get("algorithm");
BufferedImage bufImg;
try {
bufImg = ImageIO.read(new ByteArrayInputStream(image.get().getData()));
} catch (IOException e) {
return new ResponseEntity<>("Image not readable",
HttpStatus.INTERNAL_SERVER_ERROR);
}
Planar<GrayU8> input = ConvertBufferedImage.convertFromPlanar(bufImg, null,
true, GrayU8.class);
if (algo.equals("changeLuminosity")) {
if (parameters.containsKey("delta")
&& parameters.size() == 2) {
try {
int i = Integer.parseInt(parameters.get("delta"));
ImageProcessing.changeLuminosity(input, i);
} catch (NumberFormatException e) {
return new ResponseEntity<>("Parameter 'delta' should be an integer",
HttpStatus.BAD_REQUEST);
}
} else {
return new ResponseEntity<>(
"Algorithm 'changeLuminosity' requires one parameter 'delta'(integer)",
HttpStatus.BAD_REQUEST);
}
} else if (algo.equals("histogram")) {
if (parameters.size() == 1) {
ImageProcessing.histogram(input);
} else {
return new ResponseEntity<>(
"Algorithm 'histogram' requires no parameters",
HttpStatus.BAD_REQUEST);
}
} else if (algo.equals("colorFilter")) {
if (parameters.containsKey("hue") && parameters.size() == 2) {
try {
int i = Integer.parseInt(parameters.get("hue"));
ImageProcessing.colorFilter(i, input);
// hue entre 0 et 360?
} catch (NumberFormatException e) {
return new ResponseEntity<>("Parameter 'hue' should be an integer",
HttpStatus.BAD_REQUEST);
}
} else {
return new ResponseEntity<>(
"Algorithm 'colorFilter' requires one parameter 'hue'(integer)",
HttpStatus.BAD_REQUEST);
}
} else if (algo.equals("meanFilter")) {
if (parameters.containsKey("size") && parameters.size() == 2) {
try {
int i = Integer.parseInt(parameters.get("size"));
if (i % 2 == 0) {
return new ResponseEntity<>("Parameter 'size' should be an odd positive integer",
HttpStatus.BAD_REQUEST);
}
Planar<GrayU8> clone = input.clone();
ImageProcessing.meanFilter(clone, input, i);
} catch (NumberFormatException e) {
return new ResponseEntity<>("Parameter 'size' should be an odd positive integer",
HttpStatus.BAD_REQUEST);
}
} else {
return new ResponseEntity<>(
"Algorithm 'meanFilter' requires one parameter 'size'(odd positive integer)",
HttpStatus.BAD_REQUEST);
}
} else if (algo.equals("gaussienFilter")) {
if (parameters.containsKey("size") && parameters.size() == 2) {
try {
int i = Integer.parseInt(parameters.get("size"));
if (i % 2 == 0) {
return new ResponseEntity<>("Parameter 'size' should be an odd positive integer",
HttpStatus.BAD_REQUEST);
}
Planar<GrayU8> clone = input.clone();
ImageProcessing.gaussienFilter(clone, input, null);
} catch (NumberFormatException e) {
return new ResponseEntity<>("Parameter 'size' should be an odd positive integer",
HttpStatus.BAD_REQUEST);
}
} else {
return new ResponseEntity<>(
"Algorithm 'gaussienFilter' requires one parameter 'size'(odd positive integer)",
HttpStatus.BAD_REQUEST);
}
} else if (algo.equals("contours")) {
if (parameters.size() == 1) {
Planar<GrayU8> clone = input.clone();
ImageProcessing.gradientImageSobel(clone, input);
} else {
return new ResponseEntity<>(
"Algorithm 'contours' requires no parameters",
HttpStatus.BAD_REQUEST);
}
} else {
return new ResponseEntity<>(
"The requested algorithm '" + parameters.get("algorithm") + "' doesn't exist",
HttpStatus.BAD_REQUEST);
}
bufImg = ConvertBufferedImage.convertTo_U8(input, null, true);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
ImageIO.write(bufImg, image.get().getMediaType().getSubtype(), baos);
} catch (IOException e) {
return new ResponseEntity<>("Image couldn't be converted",
HttpStatus.INTERNAL_SERVER_ERROR);
}
byte[] imageData = baos.toByteArray();
InputStream inputStream = new ByteArrayInputStream(imageData);
return ResponseEntity.ok().contentType(image.get().getMediaType())
.body(new InputStreamResource(inputStream));
} else {
return new ResponseEntity<>("First parameter should be 'algorithm",
HttpStatus.BAD_REQUEST);
}
}