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package com.sun.prism.web;

import com.sun.glass.ui.Screen;
import com.sun.prism.*;
import com.sun.prism.impl.BaseResourceFactory;
import com.sun.prism.impl.TextureResourcePool;
import com.sun.prism.impl.VertexBuffer;
import com.sun.prism.impl.shape.BasicShapeRep;
import com.sun.prism.j2d.J2DPresentable;
import com.sun.prism.j2d.J2DPrismGraphics;
import com.sun.prism.shape.ShapeRep;

import java.util.Map;
import java.util.WeakHashMap;

public class WebResourceFactory extends BaseResourceFactory {
	private static ShapeRep theRep = new BasicShapeRep();

	private static final Map clampTexCache = new WeakHashMap<>();
	private static final Map repeatTexCache = new WeakHashMap<>();
	private static final Map mipmapTexCache = new WeakHashMap<>();

	private final Screen screen;
	private final ResourceFactory original;

	WebResourceFactory(Screen screen, ResourceFactory original) {
		super(clampTexCache, repeatTexCache, mipmapTexCache);
		this.screen = screen;
		this.original = original;
	}

	@Override
	public Presentable createPresentable(PresentableState pState) {
		throw new UnsupportedOperationException("PresentingPainter is not supported in Webswing");
	}

	@Override
	public TextureResourcePool getTextureResourcePool() {
		return original.getTextureResourcePool();
	}

	@Override
	public Texture createTexture(PixelFormat formatHint, Texture.Usage usageHint, Texture.WrapMode wrapMode, int w, int h) {
		Texture originalTexture = original.createTexture(formatHint, usageHint, wrapMode, w, h);
		return new WebTextureWrapper(originalTexture);
	}

	@Override
	public Texture createTexture(PixelFormat formatHint, Texture.Usage usageHint, Texture.WrapMode wrapMode, int w, int h, boolean useMipmap) {
		Texture originalTexture = original.createTexture(formatHint, usageHint, wrapMode, w, h, useMipmap);
		return new WebTextureWrapper(originalTexture);
	}

	@Override
	public Texture createTexture(MediaFrame frame) {
		Texture originalTexture = original.createTexture(frame);
		return new WebTextureWrapper(originalTexture);
	}

	@Override
	public RTTexture createRTTexture(int width, int height, Texture.WrapMode wrapMode) {
		RTTexture originalTexture = original.createRTTexture(width, height, wrapMode);
		return new WebRTTextureWrapper(originalTexture);
	}

	@Override
	public RTTexture createRTTexture(int width, int height, Texture.WrapMode wrapMode, boolean msaa) {
		return createRTTexture(width, height, wrapMode);
	}

	@Override
	public boolean isFormatSupported(PixelFormat format) {
		switch (format) {
		case BYTE_RGB:
		case BYTE_GRAY:
		case INT_ARGB_PRE:
		case BYTE_BGRA_PRE:
			return true;
		case BYTE_ALPHA:
		case BYTE_APPLE_422:
		case MULTI_YCbCr_420:
		case FLOAT_XYZW:
		default:
			return false;
		}
	}

	@Override
	public int getMaximumTextureSize() {
		return Integer.MAX_VALUE;
	}

	@Override
	public int getRTTWidth(int w, Texture.WrapMode wrapMode) {
		return w;
	}

	@Override
	public int getRTTHeight(int h, Texture.WrapMode wrapMode) {
		return h;
	}

	@Override
	public boolean isCompatibleTexture(Texture tex) {
		return tex instanceof WebTextureWrapper;
	}

	@Override
	public ShapeRep createPathRep() {
		return theRep;
	}

	@Override
	public ShapeRep createRoundRectRep() {
		return theRep;
	}

	@Override
	public ShapeRep createEllipseRep() {
		return theRep;
	}

	@Override
	public ShapeRep createArcRep() {
		return theRep;
	}

	@Override
	public void dispose() {
		original.dispose();
	}

	@Override
	protected boolean canClampToZero() {
		return false;
	}

	@Override
	public PhongMaterial createPhongMaterial() {
		throw new UnsupportedOperationException("Not supported.");
	}

	@Override
	public MeshView createMeshView(Mesh mesh) {
		throw new UnsupportedOperationException("Not supported.");
	}

	@Override
	public Mesh createMesh() {
		throw new UnsupportedOperationException("Not supported.");
	}
}