/******************************************************************************
 * Spine Runtimes Software License v2.5
 *
 * Copyright (c) 2013-2016, Esoteric Software
 * All rights reserved.
 *
 * You are granted a perpetual, non-exclusive, non-sublicensable, and
 * non-transferable license to use, install, execute, and perform the Spine
 * Runtimes software and derivative works solely for personal or internal
 * use. Without the written permission of Esoteric Software (see Section 2 of
 * the Spine Software License Agreement), you may not (a) modify, translate,
 * adapt, or develop new applications using the Spine Runtimes or otherwise
 * create derivative works or improvements of the Spine Runtimes or (b) remove,
 * delete, alter, or obscure any trademarks or any copyright, trademark, patent,
 * or other intellectual property or proprietary rights notices on or in the
 * Software, including any copy thereof. Redistributions in binary or source
 * form must include this license and terms.
 *
 * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
 * USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

module spine {
	export abstract class Texture {
		protected _image: HTMLImageElement;

		constructor (image: HTMLImageElement) {
			this._image = image;
		}

		getImage (): HTMLImageElement {
			return this._image;
		}

		abstract setFilters (minFilter: TextureFilter, magFilter: TextureFilter): void;
		abstract setWraps (uWrap: TextureWrap, vWrap: TextureWrap): void;
		abstract dispose (): void;

		public static filterFromString (text: string): TextureFilter {
			switch (text.toLowerCase()) {
				case "nearest": return TextureFilter.Nearest;
				case "linear": return TextureFilter.Linear;
				case "mipmap": return TextureFilter.MipMap;
				case "mipmapnearestnearest": return TextureFilter.MipMapNearestNearest;
				case "mipmaplinearnearest": return TextureFilter.MipMapLinearNearest;
				case "mipmapnearestlinear": return TextureFilter.MipMapNearestLinear;
				case "mipmaplinearlinear": return TextureFilter.MipMapLinearLinear;
				default: throw new Error(`Unknown texture filter ${text}`);
			}
		}

		public static wrapFromString (text: string): TextureWrap {
			switch (text.toLowerCase()) {
				case "mirroredtepeat": return TextureWrap.MirroredRepeat;
				case "clamptoedge": return TextureWrap.ClampToEdge;
				case "repeat": return TextureWrap.Repeat;
				default: throw new Error(`Unknown texture wrap ${text}`);
			}
		}
	}

	export enum TextureFilter {
		Nearest = 9728, // WebGLRenderingContext.NEAREST
		Linear = 9729, // WebGLRenderingContext.LINEAR
		MipMap = 9987, // WebGLRenderingContext.LINEAR_MIPMAP_LINEAR
		MipMapNearestNearest = 9984, // WebGLRenderingContext.NEAREST_MIPMAP_NEAREST
		MipMapLinearNearest = 9985, // WebGLRenderingContext.LINEAR_MIPMAP_NEAREST
		MipMapNearestLinear = 9986, // WebGLRenderingContext.NEAREST_MIPMAP_LINEAR
		MipMapLinearLinear = 9987 // WebGLRenderingContext.LINEAR_MIPMAP_LINEAR
	}

	export enum TextureWrap {
		MirroredRepeat = 33648, // WebGLRenderingContext.MIRRORED_REPEAT
		ClampToEdge = 33071, // WebGLRenderingContext.CLAMP_TO_EDGE
		Repeat = 10497 // WebGLRenderingContext.REPEAT
	}

	export class TextureRegion {
		renderObject: any;
		u = 0; v = 0;
		u2 = 0; v2 = 0;
		width = 0; height = 0;
		rotate = false;
		offsetX = 0; offsetY = 0;
		originalWidth = 0; originalHeight = 0;
	}

	export class FakeTexture extends spine.Texture {
		setFilters(minFilter: spine.TextureFilter, magFilter: spine.TextureFilter) { }
		setWraps(uWrap: spine.TextureWrap, vWrap: spine.TextureWrap) { }
		dispose() { }
	}
}