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package com.blitline.image.functions;
import java.net.URI;
import java.util.Collections;
import org.apache.commons.lang3.Validate;
import com.blitline.image.AzureLocation;
import com.blitline.image.S3Location;
import com.blitline.image.functions.params.Gravity;
import com.fasterxml.jackson.annotation.JsonValue;
public class Composite extends AbstractFunction {
@Override
public String getName() {
return "composite";
}
public Composite(String srcUrl) {
params.put("src", srcUrl);
}
public Composite(URI src) {
params.put("src", src.toString());
}
public Composite(S3Location src) {
params.put("src", Collections.singletonMap("s3_destination", src));
}
public Composite(AzureLocation src) {
params.put("src", Collections.singletonMap("azure_destination", src));
}
public Composite scaledToMatchCurrent() {
params.put("scale_to_match", true);
return this;
}
public Composite asGrayscaleMask() {
params.put("as_mask", true);
return this;
}
public Composite atXOffset(int xOffset) {
Validate.validState(!params.containsKey("gravity"), "only one of an x,y offset or gravity can be specified");
params.put("x", xOffset);
return this;
}
public Composite atYOffset(int yOffset) {
Validate.validState(!params.containsKey("gravity"), "only one of an x,y offset or gravity can be specified");
params.put("y", yOffset);
return this;
}
public Composite atOffset(int xOffset, int yOffset) {
Validate.validState(!params.containsKey("gravity"), "only one of an x,y offset or gravity can be specified");
params.put("x", xOffset);
params.put("y", yOffset);
return this;
}
public Composite withGravity(Gravity gravity) {
Validate.isTrue(!(params.containsKey("x") || params.containsKey("y")),
"only one of an x,y offset or gravity can be specified");
params.put("gravity", gravity);
return this;
}
public Composite usingOperation(Operation op) {
params.put("composite_op", op);
return this;
}
public enum Operation {
/**
* No composite operator has been specified.
*/
UNDEFINED("UndefinedCompositeOp"),
/**
* The result of composite image + image, with overflow wrapping around (mod 256).
*/
ADD("AddCompositeOp"),
/**
* The result is the same shape as image, with composite image obscuring image where the image shapes overlap. Note that
* this differs from OverCompositeOp because the portion of composite image outside of image’s shape does not appear in the
* result.
*/
ATOP("AtopCompositeOp"),
/**
* The result image shaded by composite image.
*/
BUMPMAP("BumpmapCompositeOp"),
/**
* Darkens the destination color to reflect the source color. Painting with white produces no change.
*/
COLOR_BURN("ColorBurnCompositeOp"),
/**
* Brightens the destination color to reflect the source color. Painting with black produces no change.
*/
COLOR_DODGE("ColorDodgeCompositeOp"),
/**
* Each pixel in the result image is the combination of the brightness of the target image and the saturation and hue of the
* composite image. This is the opposite of LuminizeCompositeOp.
*/
COLORIZE("ColorizeCompositeOp"),
/**
* Replace the target image with the composite image.
*/
COPY("CopyCompositeOp"),
/**
* Copy the black channel from the composite image to the target image.
*/
COPY_BLACK("CopyBlackCompositeOp"),
/**
* Copy the blue channel from the composite image to the target image.
*/
COPY_BLUE("CopyBlueCompositeOp"),
/**
* Copy the cyan channel from the composite image to the target image.
*/
COPY_CYAN("CopyCyanCompositeOp"),
/**
* Copy the green channel from the composite image to the target image.
*/
COPY_GREEN("CopyGreenCompositeOp"),
/**
* Copy the magenta channel from the composite image to the target image.
*/
COPY_MAGENTA("CopyMagentaCompositeOp"),
/**
* If the composite image’s matte attribute is true, copy the opacity channel from the composite image to the target image.
* Otherwise, set the target image pixel’s opacity to the intensity of the corresponding pixel in the composite image.
*/
COPY_OPACITY("CopyOpacityCompositeOp"),
/**
* Copy the red channel from the composite image to the target image.
*/
COPY_RED("CopyRedCompositeOp"),
/**
* Copy the yellow channel from the composite image to the target image.
*/
COPY_YELLOW("CopyYellowCompositeOp"),
/**
* Replace target image pixels with darker pixels from the composite image.
*/
DARKEN("DarkenCompositeOp"),
/**
* The result of abs(composite image - image). This is useful for comparing two very similar images.
*/
DIFFERENCE("DifferenceCompositeOp"),
/**
* Displace target image pixels as defined by a displacement map. The operator used by the displace method.
*/
DISPLACE("DisplaceCompositeOp"),
/**
* The operator used in the dissolve method.
*/
DISSOLVE("DissolveCompositeOp"),
/**
* The part of the destination lying inside of the source is composited over the source and replaces the destination.
*/
DESTINATION_ATOP("DstAtopCompositeOp"),
/**
* The part of the destination lying inside of the source replaces the destination.
*/
DESTINATION_INSIDE("DstInCompositeOp"),
/**
* The part of the destination lying outside of the source replaces the destination.
*/
DESTINATION_OUTSIDE("DstOutCompositeOp"),
/**
* The destination is composited over the source and the result replaces the destination.
*/
DESTINATION_OVER("DstOverCompositeOp"),
/**
* Produces an effect similar to that of ’difference’, but appears as lower contrast. Painting with white inverts the
* destination color. Painting with black produces no change.
*/
EXCLUSION("ExclusionCompositeOp"),
/**
* Multiplies or screens the colors, dependent on the source color value. If the source color is lighter than 0.5, the
* destination is lightened as if it were screened. If the source color is darker than 0.5, the destination is darkened, as
* if it were multiplied. The degree of lightening or darkening is proportional to the difference between the source color
* and 0.5. If it is equal to 0.5 the destination is unchanged. Painting with pure black or white produces black or white.
*/
HARD_LIGHT("HardLightCompositeOp"),
/**
* Each pixel in the result image is the combination of the hue of the target image and the saturation and brightness of the
* composite image.
*/
HUE("HueCompositeOp"),
/**
* The result is simply composite image cut by the shape of image. None of the image data of image is included in the
* result.
*/
IN("InCompositeOp"),
/**
* Replace target image pixels with lighter pixels from the composite image.
*/
LIGHTEN("LightenCompositeOp"),
/**
* Same as LinearDodgeCompositeOp, but also subtract one from the result. Sort of a additive ’Screen’ of the images.
*/
LINEAR_BURN("LinearBurnCompositeOp"),
/**
* This is equivelent to PlusCompositeOp in that the color channels are simply added, however it does not "plus" the alpha
* channel, but uses the normal OverCompositeOp alpha blending, which transparencies are involved. Produces a sort of
* additive multiply-like result.
*/
LINEAR_DODGE("LinearDodgeCompositeOp"),
/**
* Increase contrast slightly with an impact on the foreground’s tonal values.
*/
LINEAR_LIGHT("LinearLightCompositeOp"),
/**
* Each pixel in the result image is the combination of the brightness of the composite image and the saturation and hue of
* the target image. This is the opposite of ColorizeCompositeOp.
*/
LUMINIZE("LuminizeCompositeOp"),
/**
* The result of composite image - image, with overflow cropped to zero. The matte channel is ignored (set to 255, full
* coverage).
*/
MINUS("MinusCompositeOp"),
/**
* Multiplies the color of each target image pixel by the color of the corresponding composite image pixel. The result color
* is always darker.
*/
MULTIPLY("MultiplyCompositeOp"),
/**
* No composite operator has been specified.
*/
NONE("NoCompositeOp"),
/**
* The resulting image is composite image with the shape of image cut out.
*/
OUT("OutCompositeOp"),
/**
* The result is the union of the the two image shapes with composite image obscuring image in the region of overlap. The
* matte channel of the composite image is respected, so that if the composite pixel is part or all transparent, the
* corresponding image pixel will show through.
*/
OVER("OverCompositeOp"),
/**
* Multiplies or screens the colors, dependent on the destination color. Source colors overlay the destination whilst
* preserving its highlights and shadows. The destination color is not replaced, but is mixed with the source color to
* reflect the lightness or darkness of the destination.
*/
OVERLAY("OverlayCompositeOp"),
/**
* Similar to HardLightCompositeOp, but using sharp linear shadings, to similate the effects of a strong ’pinhole’ light
* source.
*/
PIN_LIGHT("PinLightCompositeOp"),
/**
* The result is just the sum of the image data. Output values are cropped to 255 (no overflow)
*/
PLUS("PlusCompositeOp"),
/**
* The resulting image is image replaced with composite image. Here the matte information is ignored.
*/
REPLACE("ReplaceCompositeOp"),
/**
* Each pixel in the result image is the combination of the saturation of the target image and the hue and brightness of the
* composite image.
*/
SATURATE("SaturateCompositeOp"),
/**
* Multiplies the inverse of each image’s color information.
*/
SCREEN("ScreenCompositeOp"),
/**
* Darkens or lightens the colors, dependent on the source color value. If the source color is lighter than 0.5, the
* destination is lightened. If the source color is darker than 0.5, the destination is darkened, as if it were burned in.
* The degree of darkening or lightening is proportional to the difference between the source color and 0.5. If it is equal
* to 0.5, the destination is unchanged. Painting with pure black or white produces a distinctly darker or lighter area, but
* does not result in pure black or white.
*/
SOFT_LIGHT("SoftLightCompositeOp"),
/**
* The part of the source lying inside of the destination is composited onto the destination.
*/
SOURCE_ATOP("SrcAtopCompositeOp"),
/**
* The source is copied to the destination. The destination is not used as input.
*/
SOURCE("SrcCompositeOp"),
/**
* The part of the source lying inside of the destination replaces the destination.
*/
SOURCE_INSIDE("SrcInCompositeOp"),
/**
* The part of the source lying outside of the destination replaces the destination.
*/
SOURCE_OUTSIDE("SrcOutCompositeOp"),
/**
* The source is composited over the destination.
*/
SOURCE_OVER("SrcOverCompositeOp"),
/**
* The result of composite image - image, with underflow wrapping around (mod 256). The add and subtract operators can be
* used to perform reversible transformations.
*/
SUBTRACT("SubtractCompositeOp"),
/**
* The result is the image data from both composite image and image that is outside the overlap region. The overlap region
* will be blank.
*/
XOR("XorCompositeOp");
public final String blitlineValue;
private Operation(String blitlineValue) {
this.blitlineValue = blitlineValue;
}
@JsonValue
@Override
public String toString() {
return blitlineValue;
}
}
}
