// Copyright (C) 2004-2022 Artifex Software, Inc.
//
// This file is part of MuPDF.
//
// MuPDF is free software: you can redistribute it and/or modify it under the
// terms of the GNU Affero General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option)
// any later version.
//
// MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
// details.
//
// You should have received a copy of the GNU Affero General Public License
// along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
//
// Alternative licensing terms are available from the licensor.
// For commercial licensing, see <https://www.artifex.com/> or contact
// Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato,
// CA 94945, U.S.A., +1(415)492-9861, for further information.

package com.artifex.mupdf.fitz;

public class Pixmap
{
	static {
		Context.init();
	}

	private long pointer;

	protected native void finalize();

	public void destroy() {
		finalize();
	}

	private native long newNative(ColorSpace cs, int x, int y, int w, int h, boolean alpha);

	private Pixmap(long p) {
		pointer = p;
	}

	public Pixmap(ColorSpace cs, int x, int y, int w, int h, boolean alpha) {
		pointer = newNative(cs, x, y, w, h, alpha);
	}

	public Pixmap(ColorSpace cs, int x, int y, int w, int h) {
		this(cs, x, y, w, h, false);
	}

	public Pixmap(ColorSpace cs, int w, int h, boolean alpha) {
		this(cs, 0, 0, w, h, alpha);
	}

	public Pixmap(ColorSpace cs, int w, int h) {
		this(cs, 0, 0, w, h, false);
	}

	public Pixmap(ColorSpace cs, Rect rect, boolean alpha) {
		this(cs, (int)rect.x0, (int)rect.y0, (int)(rect.x1 - rect.x0), (int)(rect.y1 - rect.y0), alpha);
	}

	public Pixmap(ColorSpace cs, Rect rect) {
		this(cs, rect, false);
	}

	public native void clear();
	private native void clearWithValue(int value);
	public void clear(int value) {
		clearWithValue(value);
	}

	public native void saveAsPNG(String filename);

	public native int getX();
	public native int getY();
	public native int getWidth();
	public native int getHeight();
	public native int getStride();
	public native int getNumberOfComponents();
	public native boolean getAlpha();
	public native ColorSpace getColorSpace();
	public native byte[] getSamples();
	public native byte getSample(int x, int y, int n);
	public native int[] getPixels(); /* only valid for RGBA or BGRA pixmaps */
	public native int getXResolution();
	public native int getYResolution();

	public native void setResolution(int xres, int yres);

	public native void invert();
	public native void invertLuminance();
	public native void gamma(float gamma);
	public native void tint(int black, int white);

	public Rect getBounds() {
		int x = getX();
		int y = getY();
		return new Rect(x, y, x + getWidth(), y+ getHeight());
	}

	public String toString() {
		return "Pixmap(w=" + getWidth() +
			" h=" + getHeight() +
			" x=" + getX() +
			" y=" + getY() +
			" n=" + getNumberOfComponents() +
			" alpha=" + getAlpha() +
			" cs=" + getColorSpace() +
			")";
	}
}
