using?System;
using?System.Collections.Generic;
using?System.Drawing;
using?System.Runtime.InteropServices;
using?System.Windows;
using?System.Windows.Controls;
using?System.Windows.Interop;
using?System.Windows.Media.Imaging;

namespace?WPFCtrlLib
{
????///?

????///?等高線圖控件
????///?

????public?partial?class?IsoHeightCtrl?:?UserControl
????{
????????private?const?int?grid_w?=?10;
????????private?const?int?grid_h?=?10;

????????private?double?w;
????????private?double?h;
????????private?int?bitmap_w;
????????private?int?bitmap_h;

????????private?int?x_num;
????????private?int?y_num;
????????private?float[]?data;

????????private?float?min;
????????private?float?max;

????????private?byte[]?Rs?Gs?Bs;

????????private?Bitmap?bitmap;
????????private?Graphics?graphics;

????????public?IsoHeightCtrl（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?UserControl_SizeChanged（object?sender?SizeChangedEventArgs?e）
????????{
????????????Draw（）;
????????}

????????///?

????????///?離散高度點列表
????????///?XY總長為單位1
????????///?

????????public?MeasureData[]?HeightDots
????????{
????????????get?{?return?（MeasureData[]）GetValue（HeightDotsProperty）;?}
????????????set?{?SetValue（HeightDotsProperty?value）;?}
????????}
????????public?static?readonly?DependencyProperty?HeightDotsProperty?=
????????????DependencyProperty.Register（“HeightDots“?typeof（MeasureData[]）?typeof（IsoHeightCtrl）?new?Propertymetadata（null?（s?e）?=>
????????????{
????????????????IsoHeightCtrl?ihc?=?s?as?IsoHeightCtrl;
????????????????ihc.Draw（）;
????????????}））;

????????///?

????????///?顏色列表
????????///?其數量決定了等高線的層數
????????///?

????????public?string?ColorList
????????{
????????????get?{?return?（string）GetValue（ColorListProperty）;?}
????????????set?{?SetValue（ColorListProperty?value）;?}
????????}
????????public?static?readonly?DependencyProperty?ColorListProperty?=
????????????DependencyProperty.Register（“ColorList“?typeof（string）?typeof（IsoHeightCtrl）?new?Propertymetadata（“#072FFA#0779FA#07C4FA#07DFD0#07FAA7#79FA57#ECFA07#F3D307#FAAD07#F67207#FA1207“?（s?e）?=>
????????????{
????????????????IsoHeightCtrl?ihc?=?s?as?IsoHeightCtrl;
????????????????ihc.ParseColor（）;
????????????}））;

????????///?

????????///?繪制圖形
????????///?

????????private?void?Draw（）
????????{
????????????if?（HeightDots?==?null）
????????????{
????????????????return;
????????????}

????????????w?=?this.ActualWidth;
????????????h?=?this.ActualHeight;
????????????if?（w?<=?0?||?h?<=?0）
????????????{
????????????????return;
????????????}

????????????if?（Rs?==?null）
????????????{
????????????????ParseColor（）;
????????????}

????????????InitData（）;
????????????CreateBitmap（）;

????????????float?gap?=?（max?-?min）?/?Rs.Length;
????????????for?（int?i?=?0;?i?????????????{
????????????????List