题 目:Flash制作一个模仿Acdsee浏览图片的效果

任何as代码如下：

　　
//---------------------------------------------

　　Stage.showMenu = false;

　　Stage.scaleMode = "noScale";

　　fscommand(allowscale, true);

　　mapScale = map_mc._xscale;

　　stageL = 0;

　　stageT = 0;

　　stageR = map_mc._width;

　　stageB = map_mc._height;

　　stageW = mask_mc._width;

　　stageH = mask_mc._height;

　　maxZoom = 800;

　　minZoom = 50;

　　initMapZoom();

　　actionLabel = "放大";

　　_root.onLoad = function() {

　　var btnName = new Array();

　　btnName = Array("放大", "缩小", "全图", "加大", "减小", "移动");

　　btnNameLen = btnName.length;

　　for (i=1; i<btnNameLen; i ) {

　　ctrlbtn0.duplicateMovieClip("ctrlbtn" i, i);

　　}

　　for (i=0; i<btnNameLen; i ) {

　　ctrlbtns = eval("ctrlbtn" i);

　　ctrlbtns.btn_name.text = btnName[i];

　　ctrlbtns._x = i*(ctrlbtn0._width 5) 10;

　　ctrlbtns._y = ctrlbtn0._y;

　　ctrlbtns.vars = btnName[i];

　　ctrlbtns.onRollOver = function() {

　　this._alpha = 60;

　　};

　　ctrlbtns.onRollOut = function() {

　　this._alpha = 100;

　　};

　　ctrlbtns.onRelease = function() {

　　actionLabel = this.vars;

　　if (this.vars == "全图") {

　　initMapZoom();

　　}

　　if (this.vars == "加大") {

　　var mapx = ((stageL stageR)/2-map_mc._x)/mapScale;

　　var mapy = ((stageT stageB)/2-map_mc._y)/mapScale;

　　if (mapScale*1.2<maxZoom) {

　　mapZoom(mapScale*1.2, mapx, mapy);

　　} else {

　　mapZoom(maxZoom, mapx, mapy);

　　}

　　}

　　if (this.vars == "减小") {

　　var mapx = ((stageL stageR)/2-map_mc._x)/mapScale;

　　var mapy = ((stageT stageB)/2-map_mc._y)/mapScale;

　　if (mapScale*.8>minZoom) {

　　mapZoom(mapScale*.8, mapx, mapy);

　　} else {

　　mapZoom(minZoom, mapx, mapy);

　　}

　　}

　　};

　　}

　　};

　　function initMapZoom() {

　　var msW = map_mc._width/stageW;

　　var msH = map_mc._height/stageH;

　　var mapBi = (msW<msH) ? msW : msH;

　　map_mc._x = stageL;

　　map_mc._y = stageT;

　　mapScale = mapScale/mapBi;

　　map_mc._xscale = mapScale;

　　map_mc._yscale = mapScale;

　　}

　　var mouseObj = new Object();

　　Mouse.addListener(mouseObj);

　　mouseObj.onMouseDown = function() {

　　if (_xmouse>stageL && _xmouse<stageR && _ymouse>stageT && _ymouse<stageB) {

　　if (actionLabel == "放大" || actionLabel == "缩小") {

　　box_x = _xmouse;

　　box_y = _ymouse;

　　createEmptyMovieClip("box_mc", btnNameLen 1);

　　with (box_mc) {

　　lineStyle(1, 0xff0000, 80);

　　moveTo(0, 0);

　　lineTo(0, 1000);

　　lineTo(1000, 1000);

　　lineTo(1000, 0);

　　lineTo(0, 0);

　　_width = 1;

　　_height = 1;

　　}

　　mapW = map_mc._width;

　　mapH = map_mc._height;

　　box_mc.onEnterFrame = function() {

　　this._width = Math.abs(_xmouse-box_x);

　　this._height = Math.abs(_ymouse-box_y);

　　this._x = _xmouse<box_x ? _xmouse : box_x;

　　this._y = _ymouse<box_y ? _ymouse : box_y;

　　};

　　}

　　if (actionLabel == "移动") {

　　left = stageR-map_mc._width;

　　top = stageB-map_mc._height;

　　right = 0;

　　bottom = 0;

　　map_mc.startDrag(false, left, top, right, bottom);

　　}

　　}

　　};

　　mouseObj.onMouseUp = function() {

　　if (box_mc != undefined) {

　　boxW = box_mc._width box_mc._x>stageR ? stageR-box_mc._x : box_mc._width;

　　boxH = box_mc._height box_mc._y>stageB ? stageB-box_mc._y : box_mc._height;

　　mouseX = box_mc._width != 0 ? box_mc._x : _xmouse;

　　mouseY = box_mc._height != 0 ? box_mc._y : _ymouse;

　　if (actionLabel == "放大") {

　　large();

　　}

　　if (actionLabel == "缩小") {

　　small();

　　}

　　box_mc.removeMovieClip();

　　}

　　if (actionLabel == "移动") {

　　map_mc.stopDrag();

　　}

　　};

　　function large() {

　　_l1 = boxW == 0 ? 1.2 : stageR/boxW;

　　_l2 = boxH == 0 ? 1.2 : stageB/boxH;

point = _l1<_l2 ? _l1 : _l2;

　　var mapx = ((mouseX _xmouse)/2-map_mc._x)/mapScale;

　　var mapy = ((mouseY _ymouse)/2-map_mc._y)/mapScale;

　　if (map_mc._xscale<maxZoom) {

　　if (mapScale*point<maxZoom) {

　　mapZoom(mapScale*point, mapx, mapy);

　　} else {

　　mapZoom(maxZoom, mapx, mapy);

　　}

　　}

　　}

　　function small() {

　　_l1 = boxW == 0 ? 0.8 : boxW/stageR;

　　_l2 = boxH == 0 ? 0.8 : boxH/stageB;

　　point = _l1>_l2 ? _l1 : _l2;

　　var mapx = (_xmouse-map_mc._x)/mapScale;

　　var mapy = (_ymouse-map_mc._y)/mapScale;

　　if (map_mc._xscale>minZoom) {

　　if (mapScale*point>minZoom) {

　　mapZoom(mapScale*point, mapx, mapy);

　　} else {

　　mapZoom(minZoom, mapx, mapy);

　　}

　　}

　　}

　　function mapZoom(map_scale, map_x, map_y) {

　　map_mc._xscale = map_scale;

　　map_mc._yscale = map_scale;

　　mapScale = map_scale;

　　map_mc._x = (stageL stageR)/2-map_x*mapScale;

　　map_mc._y = (stageT stageB)/2-map_y*mapScale;

　　//---------------------------------------------------

　　map_mc._x = map_mc._x map_mc._width<stageR ? stageR-map_mc._width : map_mc._x;

　　map_mc._x = map_mc._x>0 ? 0 : map_mc._x;

　　map_mc._y = map_mc._y map_mc._height<stageB ? stageB-map_mc._height : map_mc._y;

　　map_mc._y = map_mc._y>0 ? 0 : map_mc._y;

　　}