/
CCView.js
1552 lines (1395 loc) · 55.6 KB
/
CCView.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/****************************************************************************
Copyright (c) 2008-2010 Ricardo Quesada
Copyright (c) 2011-2012 cocos2d-x.org
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
http://www.cocos2d-x.org
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
const EventTarget = require('../event/event-target');
const js = require('../platform/js');
const renderer = require('../renderer');
require('../platform/CCClass');
var __BrowserGetter = {
init: function(){
this.html = document.getElementsByTagName("html")[0];
},
availWidth: function(frame){
if (!frame || frame === this.html)
return window.innerWidth;
else
return frame.clientWidth;
},
availHeight: function(frame){
if (!frame || frame === this.html)
return window.innerHeight;
else
return frame.clientHeight;
},
meta: {
"width": "device-width"
},
adaptationType: cc.sys.browserType
};
if (cc.sys.os === cc.sys.OS_IOS) // All browsers are WebView
__BrowserGetter.adaptationType = cc.sys.BROWSER_TYPE_SAFARI;
switch (__BrowserGetter.adaptationType) {
case cc.sys.BROWSER_TYPE_SAFARI:
case cc.sys.BROWSER_TYPE_SOUGOU:
case cc.sys.BROWSER_TYPE_UC:
__BrowserGetter.meta["minimal-ui"] = "true";
__BrowserGetter.availWidth = function(frame){
return frame.clientWidth;
};
__BrowserGetter.availHeight = function(frame){
return frame.clientHeight;
};
break;
}
var _scissorRect = null;
/**
* cc.view is the singleton object which represents the game window.<br/>
* It's main task include: <br/>
* - Apply the design resolution policy<br/>
* - Provide interaction with the window, like resize event on web, retina display support, etc...<br/>
* - Manage the game view port which can be different with the window<br/>
* - Manage the content scale and translation<br/>
* <br/>
* Since the cc.view is a singleton, you don't need to call any constructor or create functions,<br/>
* the standard way to use it is by calling:<br/>
* - cc.view.methodName(); <br/>
*
* @class View
* @extends EventTarget
*/
var View = function () {
EventTarget.call(this);
var _t = this, _strategyer = cc.ContainerStrategy, _strategy = cc.ContentStrategy;
__BrowserGetter.init(this);
// Size of parent node that contains cc.game.container and cc.game.canvas
_t._frameSize = cc.size(0, 0);
// resolution size, it is the size appropriate for the app resources.
_t._designResolutionSize = cc.size(0, 0);
_t._originalDesignResolutionSize = cc.size(0, 0);
_t._scaleX = 1;
_t._scaleY = 1;
// Viewport is the container's rect related to content's coordinates in pixel
_t._viewportRect = cc.rect(0, 0, 0, 0);
// The visible rect in content's coordinate in point
_t._visibleRect = cc.rect(0, 0, 0, 0);
// Auto full screen disabled by default
_t._autoFullScreen = false;
// The device's pixel ratio (for retina displays)
_t._devicePixelRatio = 1;
if(CC_JSB) {
_t._maxPixelRatio = 4;
} else {
_t._maxPixelRatio = 2;
}
// Retina disabled by default
_t._retinaEnabled = false;
// Custom callback for resize event
_t._resizeCallback = null;
_t._resizing = false;
_t._resizeWithBrowserSize = false;
_t._orientationChanging = true;
_t._isRotated = false;
_t._orientation = cc.macro.ORIENTATION_AUTO;
_t._isAdjustViewport = true;
_t._antiAliasEnabled = false;
// Setup system default resolution policies
_t._resolutionPolicy = null;
_t._rpExactFit = new cc.ResolutionPolicy(_strategyer.EQUAL_TO_FRAME, _strategy.EXACT_FIT);
_t._rpShowAll = new cc.ResolutionPolicy(_strategyer.EQUAL_TO_FRAME, _strategy.SHOW_ALL);
_t._rpNoBorder = new cc.ResolutionPolicy(_strategyer.EQUAL_TO_FRAME, _strategy.NO_BORDER);
_t._rpFixedHeight = new cc.ResolutionPolicy(_strategyer.EQUAL_TO_FRAME, _strategy.FIXED_HEIGHT);
_t._rpFixedWidth = new cc.ResolutionPolicy(_strategyer.EQUAL_TO_FRAME, _strategy.FIXED_WIDTH);
cc.game.once(cc.game.EVENT_ENGINE_INITED, this.init, this);
};
cc.js.extend(View, EventTarget);
cc.js.mixin(View.prototype, {
init () {
this._initFrameSize();
var w = cc.game.canvas.width, h = cc.game.canvas.height;
this._designResolutionSize.width = w;
this._designResolutionSize.height = h;
this._originalDesignResolutionSize.width = w;
this._originalDesignResolutionSize.height = h;
this._viewportRect.width = w;
this._viewportRect.height = h;
this._visibleRect.width = w;
this._visibleRect.height = h;
cc.winSize.width = this._visibleRect.width;
cc.winSize.height = this._visibleRect.height;
cc.visibleRect && cc.visibleRect.init(this._visibleRect);
},
// Resize helper functions
_resizeEvent: function (forceOrEvent) {
var view;
if (this.setDesignResolutionSize) {
view = this;
} else {
view = cc.view;
}
// HACK: some browsers can't update window size immediately
// need to handle resize event callback on the next tick
let sys = cc.sys;
if (sys.browserType === sys.BROWSER_TYPE_UC && sys.os === sys.OS_IOS) {
setTimeout(function () {
view._resizeEvent(forceOrEvent);
}, 0)
return;
}
// Check frame size changed or not
var prevFrameW = view._frameSize.width, prevFrameH = view._frameSize.height, prevRotated = view._isRotated;
if (cc.sys.isMobile) {
var containerStyle = cc.game.container.style,
margin = containerStyle.margin;
containerStyle.margin = '0';
containerStyle.display = 'none';
view._initFrameSize();
containerStyle.margin = margin;
containerStyle.display = 'block';
}
else {
view._initFrameSize();
}
if (forceOrEvent !== true && view._isRotated === prevRotated && view._frameSize.width === prevFrameW && view._frameSize.height === prevFrameH)
return;
// Frame size changed, do resize works
var width = view._originalDesignResolutionSize.width;
var height = view._originalDesignResolutionSize.height;
view._resizing = true;
if (width > 0)
view.setDesignResolutionSize(width, height, view._resolutionPolicy);
view._resizing = false;
view.emit('canvas-resize');
if (view._resizeCallback) {
view._resizeCallback.call();
}
},
_orientationChange: function () {
cc.view._orientationChanging = true;
cc.view._resizeEvent();
// HACK: show nav bar on iOS safari
// safari will enter fullscreen when rotate to landscape
// need to exit fullscreen when rotate back to portrait, scrollTo(0, 1) works.
if (cc.sys.browserType === cc.sys.BROWSER_TYPE_SAFARI && cc.sys.isMobile) {
setTimeout(() => {
if (window.innerHeight > window.innerWidth) {
window.scrollTo(0, 1);
}
}, 500);
}
},
_resize: function() {
//force resize when size is changed at native
cc.view._resizeEvent(CC_JSB);
},
/**
* !#en
* Sets view's target-densitydpi for android mobile browser. it can be set to: <br/>
* 1. cc.macro.DENSITYDPI_DEVICE, value is "device-dpi" <br/>
* 2. cc.macro.DENSITYDPI_HIGH, value is "high-dpi" (default value) <br/>
* 3. cc.macro.DENSITYDPI_MEDIUM, value is "medium-dpi" (browser's default value) <br/>
* 4. cc.macro.DENSITYDPI_LOW, value is "low-dpi" <br/>
* 5. Custom value, e.g: "480" <br/>
* !#zh 设置目标内容的每英寸像素点密度。
*
* @method setTargetDensityDPI
* @param {String} densityDPI
* @deprecated since v2.0
*/
/**
* !#en
* Returns the current target-densitydpi value of cc.view.
* !#zh 获取目标内容的每英寸像素点密度。
* @method getTargetDensityDPI
* @returns {String}
* @deprecated since v2.0
*/
/**
* !#en
* Sets whether resize canvas automatically when browser's size changed.<br/>
* Useful only on web.
* !#zh 设置当发现浏览器的尺寸改变时，是否自动调整 canvas 尺寸大小。
* 仅在 Web 模式下有效。
* @method resizeWithBrowserSize
* @param {Boolean} enabled - Whether enable automatic resize with browser's resize event
*/
resizeWithBrowserSize: function (enabled) {
if (enabled) {
//enable
if (!this._resizeWithBrowserSize) {
this._resizeWithBrowserSize = true;
window.addEventListener('resize', this._resize);
window.addEventListener('orientationchange', this._orientationChange);
}
} else {
//disable
if (this._resizeWithBrowserSize) {
this._resizeWithBrowserSize = false;
window.removeEventListener('resize', this._resize);
window.removeEventListener('orientationchange', this._orientationChange);
}
}
},
/**
* !#en
* Sets the callback function for cc.view's resize action,<br/>
* this callback will be invoked before applying resolution policy, <br/>
* so you can do any additional modifications within the callback.<br/>
* Useful only on web.
* !#zh 设置 cc.view 调整视窗尺寸行为的回调函数，
* 这个回调函数会在应用适配模式之前被调用，
* 因此你可以在这个回调函数内添加任意附加改变，
* 仅在 Web 平台下有效。
* @method setResizeCallback
* @param {Function|Null} callback - The callback function
*/
setResizeCallback: function (callback) {
if (CC_EDITOR) return;
if (typeof callback === 'function' || callback == null) {
this._resizeCallback = callback;
}
},
/**
* !#en
* Sets the orientation of the game, it can be landscape, portrait or auto.
* When set it to landscape or portrait, and screen w/h ratio doesn't fit,
* cc.view will automatically rotate the game canvas using CSS.
* Note that this function doesn't have any effect in native,
* in native, you need to set the application orientation in native project settings
* !#zh 设置游戏屏幕朝向，它能够是横版，竖版或自动。
* 当设置为横版或竖版，并且屏幕的宽高比例不匹配时，
* cc.view 会自动用 CSS 旋转游戏场景的 canvas，
* 这个方法不会对 native 部分产生任何影响，对于 native 而言，你需要在应用设置中的设置排版。
* @method setOrientation
* @param {Number} orientation - Possible values: cc.macro.ORIENTATION_LANDSCAPE | cc.macro.ORIENTATION_PORTRAIT | cc.macro.ORIENTATION_AUTO
*/
setOrientation: function (orientation) {
orientation = orientation & cc.macro.ORIENTATION_AUTO;
if (orientation && this._orientation !== orientation) {
this._orientation = orientation;
var designWidth = this._originalDesignResolutionSize.width;
var designHeight = this._originalDesignResolutionSize.height;
this.setDesignResolutionSize(designWidth, designHeight, this._resolutionPolicy);
}
},
_initFrameSize: function () {
var locFrameSize = this._frameSize;
var w = __BrowserGetter.availWidth(cc.game.frame);
var h = __BrowserGetter.availHeight(cc.game.frame);
var isLandscape = w >= h;
if (CC_EDITOR || !cc.sys.isMobile ||
(isLandscape && this._orientation & cc.macro.ORIENTATION_LANDSCAPE) ||
(!isLandscape && this._orientation & cc.macro.ORIENTATION_PORTRAIT)) {
locFrameSize.width = w;
locFrameSize.height = h;
cc.game.container.style['-webkit-transform'] = 'rotate(0deg)';
cc.game.container.style.transform = 'rotate(0deg)';
this._isRotated = false;
}
else {
locFrameSize.width = h;
locFrameSize.height = w;
cc.game.container.style['-webkit-transform'] = 'rotate(90deg)';
cc.game.container.style.transform = 'rotate(90deg)';
cc.game.container.style['-webkit-transform-origin'] = '0px 0px 0px';
cc.game.container.style.transformOrigin = '0px 0px 0px';
this._isRotated = true;
}
if (this._orientationChanging) {
setTimeout(function () {
cc.view._orientationChanging = false;
}, 1000);
}
},
_setViewportMeta: function (metas, overwrite) {
var vp = document.getElementById("cocosMetaElement");
if(vp && overwrite){
document.head.removeChild(vp);
}
var elems = document.getElementsByName("viewport"),
currentVP = elems ? elems[0] : null,
content, key, pattern;
content = currentVP ? currentVP.content : "";
vp = vp || document.createElement("meta");
vp.id = "cocosMetaElement";
vp.name = "viewport";
vp.content = "";
for (key in metas) {
if (content.indexOf(key) == -1) {
content += "," + key + "=" + metas[key];
}
else if (overwrite) {
pattern = new RegExp(key+"\s*=\s*[^,]+");
content = content.replace(pattern, key + "=" + metas[key]);
}
}
if(/^,/.test(content))
content = content.substr(1);
vp.content = content;
// For adopting certain android devices which don't support second viewport
if (currentVP)
currentVP.content = content;
document.head.appendChild(vp);
},
_adjustViewportMeta: function () {
if (this._isAdjustViewport && !CC_JSB && !CC_RUNTIME) {
this._setViewportMeta(__BrowserGetter.meta, false);
this._isAdjustViewport = false;
}
},
/**
* !#en
* Sets whether the engine modify the "viewport" meta in your web page.<br/>
* It's enabled by default, we strongly suggest you not to disable it.<br/>
* And even when it's enabled, you can still set your own "viewport" meta, it won't be overridden<br/>
* Only useful on web
* !#zh 设置引擎是否调整 viewport meta 来配合屏幕适配。
* 默认设置为启动，我们强烈建议你不要将它设置为关闭。
* 即使当它启动时，你仍然能够设置你的 viewport meta，它不会被覆盖。
* 仅在 Web 模式下有效
* @method adjustViewportMeta
* @param {Boolean} enabled - Enable automatic modification to "viewport" meta
*/
adjustViewportMeta: function (enabled) {
this._isAdjustViewport = enabled;
},
/**
* !#en
* Retina support is enabled by default for Apple device but disabled for other devices,<br/>
* it takes effect only when you called setDesignResolutionPolicy<br/>
* Only useful on web
* !#zh 对于 Apple 这种支持 Retina 显示的设备上默认进行优化而其他类型设备默认不进行优化，
* 它仅会在你调用 setDesignResolutionPolicy 方法时有影响。
* 仅在 Web 模式下有效。
* @method enableRetina
* @param {Boolean} enabled - Enable or disable retina display
*/
enableRetina: function(enabled) {
this._retinaEnabled = !!enabled;
},
/**
* !#en
* Check whether retina display is enabled.<br/>
* Only useful on web
* !#zh 检查是否对 Retina 显示设备进行优化。
* 仅在 Web 模式下有效。
* @method isRetinaEnabled
* @return {Boolean}
*/
isRetinaEnabled: function() {
return this._retinaEnabled;
},
/**
* !#en Whether to Enable on anti-alias
* !#zh 控制抗锯齿是否开启
* @method enableAntiAlias
* @param {Boolean} enabled - Enable or not anti-alias
* @deprecated cc.view.enableAntiAlias is deprecated, please use cc.Texture2D.setFilters instead
* @since v2.3.0
*/
enableAntiAlias: function (enabled) {
cc.warnID(9200);
if (this._antiAliasEnabled === enabled) {
return;
}
this._antiAliasEnabled = enabled;
if(cc.game.renderType === cc.game.RENDER_TYPE_WEBGL) {
var cache = cc.assetManager.assets;
cache.forEach(function (asset) {
if (asset instanceof cc.Texture2D) {
var Filter = cc.Texture2D.Filter;
if (enabled) {
asset.setFilters(Filter.LINEAR, Filter.LINEAR);
}
else {
asset.setFilters(Filter.NEAREST, Filter.NEAREST);
}
}
});
}
else if(cc.game.renderType === cc.game.RENDER_TYPE_CANVAS) {
var ctx = cc.game.canvas.getContext('2d');
ctx.imageSmoothingEnabled = enabled;
ctx.mozImageSmoothingEnabled = enabled;
}
},
/**
* !#en Returns whether the current enable on anti-alias
* !#zh 返回当前是否抗锯齿
* @method isAntiAliasEnabled
* @return {Boolean}
*/
isAntiAliasEnabled: function () {
return this._antiAliasEnabled;
},
/**
* !#en
* If enabled, the application will try automatically to enter full screen mode on mobile devices<br/>
* You can pass true as parameter to enable it and disable it by passing false.<br/>
* Only useful on web
* !#zh 启动时，移动端游戏会在移动端自动尝试进入全屏模式。
* 你能够传入 true 为参数去启动它，用 false 参数来关闭它。
* @method enableAutoFullScreen
* @param {Boolean} enabled - Enable or disable auto full screen on mobile devices
*/
enableAutoFullScreen: function(enabled) {
if (enabled &&
enabled !== this._autoFullScreen &&
cc.sys.isMobile) {
// Automatically full screen when user touches on mobile version
this._autoFullScreen = true;
cc.screen.autoFullScreen(cc.game.frame);
}
else {
this._autoFullScreen = false;
cc.screen.disableAutoFullScreen(cc.game.frame);
}
},
/**
* !#en
* Check whether auto full screen is enabled.<br/>
* Only useful on web
* !#zh 检查自动进入全屏模式是否启动。
* 仅在 Web 模式下有效。
* @method isAutoFullScreenEnabled
* @return {Boolean} Auto full screen enabled or not
*/
isAutoFullScreenEnabled: function() {
return this._autoFullScreen;
},
/*
* Not support on native.<br/>
* On web, it sets the size of the canvas.
* !#zh 这个方法并不支持 native 平台，在 Web 平台下，可以用来设置 canvas 尺寸。
* @method setCanvasSize
* @param {Number} width
* @param {Number} height
*/
setCanvasSize: function (width, height) {
var canvas = cc.game.canvas;
var container = cc.game.container;
canvas.width = width * this._devicePixelRatio;
canvas.height = height * this._devicePixelRatio;
canvas.style.width = width + 'px';
canvas.style.height = height + 'px';
container.style.width = width + 'px';
container.style.height = height + 'px';
this._resizeEvent();
},
/**
* !#en
* Returns the canvas size of the view.<br/>
* On native platforms, it returns the screen size since the view is a fullscreen view.<br/>
* On web, it returns the size of the canvas element.
* !#zh 返回视图中 canvas 的尺寸。
* 在 native 平台下，它返回全屏视图下屏幕的尺寸。
* 在 Web 平台下，它返回 canvas 元素尺寸。
* @method getCanvasSize
* @return {Size}
*/
getCanvasSize: function () {
return cc.size(cc.game.canvas.width, cc.game.canvas.height);
},
/**
* !#en
* Returns the frame size of the view.<br/>
* On native platforms, it returns the screen size since the view is a fullscreen view.<br/>
* On web, it returns the size of the canvas's outer DOM element.
* !#zh 返回视图中边框尺寸。
* 在 native 平台下，它返回全屏视图下屏幕的尺寸。
* 在 web 平台下，它返回 canvas 元素的外层 DOM 元素尺寸。
* @method getFrameSize
* @return {Size}
*/
getFrameSize: function () {
return cc.size(this._frameSize.width, this._frameSize.height);
},
/**
* !#en
* On native, it sets the frame size of view.<br/>
* On web, it sets the size of the canvas's outer DOM element.
* !#zh 在 native 平台下，设置视图框架尺寸。
* 在 web 平台下，设置 canvas 外层 DOM 元素尺寸。
* @method setFrameSize
* @param {Number} width
* @param {Number} height
*/
setFrameSize: function (width, height) {
this._frameSize.width = width;
this._frameSize.height = height;
cc.game.frame.style.width = width + "px";
cc.game.frame.style.height = height + "px";
this._resizeEvent(true);
},
/**
* !#en
* Returns the visible area size of the view port.
* !#zh 返回视图窗口可见区域尺寸。
* @method getVisibleSize
* @return {Size}
*/
getVisibleSize: function () {
return cc.size(this._visibleRect.width,this._visibleRect.height);
},
/**
* !#en
* Returns the visible area size of the view port.
* !#zh 返回视图窗口可见区域像素尺寸。
* @method getVisibleSizeInPixel
* @return {Size}
*/
getVisibleSizeInPixel: function () {
return cc.size( this._visibleRect.width * this._scaleX,
this._visibleRect.height * this._scaleY );
},
/**
* !#en
* Returns the visible origin of the view port.
* !#zh 返回视图窗口可见区域原点。
* @method getVisibleOrigin
* @return {Vec2}
*/
getVisibleOrigin: function () {
return cc.v2(this._visibleRect.x,this._visibleRect.y);
},
/**
* !#en
* Returns the visible origin of the view port.
* !#zh 返回视图窗口可见区域像素原点。
* @method getVisibleOriginInPixel
* @return {Vec2}
*/
getVisibleOriginInPixel: function () {
return cc.v2(this._visibleRect.x * this._scaleX,
this._visibleRect.y * this._scaleY);
},
/**
* !#en
* Returns the current resolution policy
* !#zh 返回当前分辨率方案
* @see cc.ResolutionPolicy
* @method getResolutionPolicy
* @return {ResolutionPolicy}
*/
getResolutionPolicy: function () {
return this._resolutionPolicy;
},
/**
* !#en
* Sets the current resolution policy
* !#zh 设置当前分辨率模式
* @see cc.ResolutionPolicy
* @method setResolutionPolicy
* @param {ResolutionPolicy|Number} resolutionPolicy
*/
setResolutionPolicy: function (resolutionPolicy) {
var _t = this;
if (resolutionPolicy instanceof cc.ResolutionPolicy) {
_t._resolutionPolicy = resolutionPolicy;
}
// Ensure compatibility with JSB
else {
var _locPolicy = cc.ResolutionPolicy;
if(resolutionPolicy === _locPolicy.EXACT_FIT)
_t._resolutionPolicy = _t._rpExactFit;
if(resolutionPolicy === _locPolicy.SHOW_ALL)
_t._resolutionPolicy = _t._rpShowAll;
if(resolutionPolicy === _locPolicy.NO_BORDER)
_t._resolutionPolicy = _t._rpNoBorder;
if(resolutionPolicy === _locPolicy.FIXED_HEIGHT)
_t._resolutionPolicy = _t._rpFixedHeight;
if(resolutionPolicy === _locPolicy.FIXED_WIDTH)
_t._resolutionPolicy = _t._rpFixedWidth;
}
},
/**
* !#en
* Sets the resolution policy with designed view size in points.<br/>
* The resolution policy include: <br/>
* [1] ResolutionExactFit Fill screen by stretch-to-fit: if the design resolution ratio of width to height is different from the screen resolution ratio, your game view will be stretched.<br/>
* [2] ResolutionNoBorder Full screen without black border: if the design resolution ratio of width to height is different from the screen resolution ratio, two areas of your game view will be cut.<br/>
* [3] ResolutionShowAll Full screen with black border: if the design resolution ratio of width to height is different from the screen resolution ratio, two black borders will be shown.<br/>
* [4] ResolutionFixedHeight Scale the content's height to screen's height and proportionally scale its width<br/>
* [5] ResolutionFixedWidth Scale the content's width to screen's width and proportionally scale its height<br/>
* [cc.ResolutionPolicy] [Web only feature] Custom resolution policy, constructed by cc.ResolutionPolicy<br/>
* !#zh 通过设置设计分辨率和匹配模式来进行游戏画面的屏幕适配。
* @method setDesignResolutionSize
* @param {Number} width Design resolution width.
* @param {Number} height Design resolution height.
* @param {ResolutionPolicy|Number} resolutionPolicy The resolution policy desired
*/
setDesignResolutionSize: function (width, height, resolutionPolicy) {
// Defensive code
if( !(width > 0 && height > 0) ){
cc.errorID(2200);
return;
}
this.setResolutionPolicy(resolutionPolicy);
var policy = this._resolutionPolicy;
if (policy) {
policy.preApply(this);
}
// Reinit frame size
if (cc.sys.isMobile)
this._adjustViewportMeta();
// Permit to re-detect the orientation of device.
this._orientationChanging = true;
// If resizing, then frame size is already initialized, this logic should be improved
if (!this._resizing)
this._initFrameSize();
if (!policy) {
cc.logID(2201);
return;
}
this._originalDesignResolutionSize.width = this._designResolutionSize.width = width;
this._originalDesignResolutionSize.height = this._designResolutionSize.height = height;
var result = policy.apply(this, this._designResolutionSize);
if(result.scale && result.scale.length === 2){
this._scaleX = result.scale[0];
this._scaleY = result.scale[1];
}
if(result.viewport){
var vp = this._viewportRect,
vb = this._visibleRect,
rv = result.viewport;
vp.x = rv.x;
vp.y = rv.y;
vp.width = rv.width;
vp.height = rv.height;
vb.x = 0;
vb.y = 0;
vb.width = rv.width / this._scaleX;
vb.height = rv.height / this._scaleY;
}
policy.postApply(this);
cc.winSize.width = this._visibleRect.width;
cc.winSize.height = this._visibleRect.height;
cc.visibleRect && cc.visibleRect.init(this._visibleRect);
renderer.updateCameraViewport();
cc.internal.inputManager._updateCanvasBoundingRect();
this.emit('design-resolution-changed');
},
/**
* !#en
* Returns the designed size for the view.
* Default resolution size is the same as 'getFrameSize'.
* !#zh 返回视图的设计分辨率。
* 默认下分辨率尺寸同 `getFrameSize` 方法相同
* @method getDesignResolutionSize
* @return {Size}
*/
getDesignResolutionSize: function () {
return cc.size(this._designResolutionSize.width, this._designResolutionSize.height);
},
/**
* !#en
* Sets the container to desired pixel resolution and fit the game content to it.
* This function is very useful for adaptation in mobile browsers.
* In some HD android devices, the resolution is very high, but its browser performance may not be very good.
* In this case, enabling retina display is very costy and not suggested, and if retina is disabled, the image may be blurry.
* But this API can be helpful to set a desired pixel resolution which is in between.
* This API will do the following:
* 1. Set viewport's width to the desired width in pixel
* 2. Set body width to the exact pixel resolution
* 3. The resolution policy will be reset with designed view size in points.
* !#zh 设置容器（container）需要的像素分辨率并且适配相应分辨率的游戏内容。
* @method setRealPixelResolution
* @param {Number} width Design resolution width.
* @param {Number} height Design resolution height.
* @param {ResolutionPolicy|Number} resolutionPolicy The resolution policy desired
*/
setRealPixelResolution: function (width, height, resolutionPolicy) {
if (!CC_JSB && !CC_RUNTIME) {
// Set viewport's width
this._setViewportMeta({"width": width}, true);
// Set body width to the exact pixel resolution
document.documentElement.style.width = width + "px";
document.body.style.width = width + "px";
document.body.style.left = "0px";
document.body.style.top = "0px";
}
// Reset the resolution size and policy
this.setDesignResolutionSize(width, height, resolutionPolicy);
},
/**
* !#en
* Sets view port rectangle with points.
* !#zh 用设计分辨率下的点尺寸来设置视窗。
* @method setViewportInPoints
* @deprecated since v2.0
* @param {Number} x
* @param {Number} y
* @param {Number} w width
* @param {Number} h height
*/
setViewportInPoints: function (x, y, w, h) {
var locScaleX = this._scaleX, locScaleY = this._scaleY;
cc.game._renderContext.viewport((x * locScaleX + this._viewportRect.x),
(y * locScaleY + this._viewportRect.y),
(w * locScaleX),
(h * locScaleY));
},
/**
* !#en
* Sets Scissor rectangle with points.
* !#zh 用设计分辨率下的点的尺寸来设置 scissor 剪裁区域。
* @method setScissorInPoints
* @deprecated since v2.0
* @param {Number} x
* @param {Number} y
* @param {Number} w
* @param {Number} h
*/
setScissorInPoints: function (x, y, w, h) {
let scaleX = this._scaleX, scaleY = this._scaleY;
let sx = Math.ceil(x * scaleX + this._viewportRect.x);
let sy = Math.ceil(y * scaleY + this._viewportRect.y);
let sw = Math.ceil(w * scaleX);
let sh = Math.ceil(h * scaleY);
let gl = cc.game._renderContext;
if (!_scissorRect) {
var boxArr = gl.getParameter(gl.SCISSOR_BOX);
_scissorRect = cc.rect(boxArr[0], boxArr[1], boxArr[2], boxArr[3]);
}
if (_scissorRect.x !== sx || _scissorRect.y !== sy || _scissorRect.width !== sw || _scissorRect.height !== sh) {
_scissorRect.x = sx;
_scissorRect.y = sy;
_scissorRect.width = sw;
_scissorRect.height = sh;
gl.scissor(sx, sy, sw, sh);
}
},
/**
* !#en
* Returns whether GL_SCISSOR_TEST is enable
* !#zh 检查 scissor 是否生效。
* @method isScissorEnabled
* @deprecated since v2.0
* @return {Boolean}
*/
isScissorEnabled: function () {
return cc.game._renderContext.isEnabled(gl.SCISSOR_TEST);
},
/**
* !#en
* Returns the current scissor rectangle
* !#zh 返回当前的 scissor 剪裁区域。
* @method getScissorRect
* @deprecated since v2.0
* @return {Rect}
*/
getScissorRect: function () {
if (!_scissorRect) {
var boxArr = gl.getParameter(gl.SCISSOR_BOX);
_scissorRect = cc.rect(boxArr[0], boxArr[1], boxArr[2], boxArr[3]);
}
var scaleXFactor = 1 / this._scaleX;
var scaleYFactor = 1 / this._scaleY;
return cc.rect(
(_scissorRect.x - this._viewportRect.x) * scaleXFactor,
(_scissorRect.y - this._viewportRect.y) * scaleYFactor,
_scissorRect.width * scaleXFactor,
_scissorRect.height * scaleYFactor
);
},
/**
* !#en
* Returns the view port rectangle.
* !#zh 返回视窗剪裁区域。
* @method getViewportRect
* @return {Rect}
*/
getViewportRect: function () {
return this._viewportRect;
},
/**
* !#en
* Returns scale factor of the horizontal direction (X axis).
* !#zh 返回横轴的缩放比，这个缩放比是将画布像素分辨率放到设计分辨率的比例。
* @method getScaleX
* @return {Number}
*/
getScaleX: function () {
return this._scaleX;
},
/**
* !#en
* Returns scale factor of the vertical direction (Y axis).
* !#zh 返回纵轴的缩放比，这个缩放比是将画布像素分辨率缩放到设计分辨率的比例。
* @method getScaleY
* @return {Number}
*/
getScaleY: function () {
return this._scaleY;
},
/**
* !#en
* Returns device pixel ratio for retina display.
* !#zh 返回设备或浏览器像素比例。
* @method getDevicePixelRatio
* @return {Number}
*/
getDevicePixelRatio: function() {
return this._devicePixelRatio;
},
/**
* !#en
* Returns the real location in view for a translation based on a related position
* !#zh 将屏幕坐标转换为游戏视图下的坐标。
* @method convertToLocationInView
* @param {Number} tx - The X axis translation
* @param {Number} ty - The Y axis translation
* @param {Object} relatedPos - The related position object including "left", "top", "width", "height" informations
* @return {Vec2}
*/
convertToLocationInView: function (tx, ty, relatedPos, out) {
let result = out || cc.v2();
let posLeft = relatedPos.adjustedLeft ? relatedPos.adjustedLeft : relatedPos.left;
let posTop = relatedPos.adjustedTop ? relatedPos.adjustedTop : relatedPos.top;
let x = this._devicePixelRatio * (tx - posLeft);
let y = this._devicePixelRatio * (posTop + relatedPos.height - ty);
if (this._isRotated) {
result.x = cc.game.canvas.width - y;
result.y = x;
}
else {
result.x = x;
result.y = y;
}
return result;
},
_convertMouseToLocationInView: function (in_out_point, relatedPos) {
var viewport = this._viewportRect, _t = this;
in_out_point.x = ((_t._devicePixelRatio * (in_out_point.x - relatedPos.left)) - viewport.x) / _t._scaleX;
in_out_point.y = (_t._devicePixelRatio * (relatedPos.top + relatedPos.height - in_out_point.y) - viewport.y) / _t._scaleY;
},
_convertPointWithScale: function (point) {
var viewport = this._viewportRect;
point.x = (point.x - viewport.x) / this._scaleX;
point.y = (point.y - viewport.y) / this._scaleY;
},
_convertTouchesWithScale: function (touches) {
var viewport = this._viewportRect, scaleX = this._scaleX, scaleY = this._scaleY,
selTouch, selPoint, selPrePoint;
for (var i = 0; i < touches.length; i++) {
selTouch = touches[i];
selPoint = selTouch._point;
selPrePoint = selTouch._prevPoint;
selPoint.x = (selPoint.x - viewport.x) / scaleX;
selPoint.y = (selPoint.y - viewport.y) / scaleY;
selPrePoint.x = (selPrePoint.x - viewport.x) / scaleX;
selPrePoint.y = (selPrePoint.y - viewport.y) / scaleY;
}
}
});
/**
* !#en
* Emit when design resolution changed.
* !#zh