说明分析讲稿pip customization

NativePIPFeatureTopgraphiccustomization(小图客制化部分ThelengthofeditbuttonThelengthoftopgraphicSubCameraneedsWhichcameraenablesFDinbottomPIP Copyright©MediaTekInc.All 2015-01- NativePIPallowsusertotakephotosand/orrecord swithboththefront-facingcameraandrearcamera simultaneously,andcleverlycombinesthetwo softhesubjectandthephotographerintoonepieceusingimage-in-imageeffect.Avarietyoftheme-basedphotoframeareavailabletochooseandcanfitintothecontentmore.Photoproperties(size,positionandrotationangle)canbeadjustedintuitivelyusinggestureWiththefeatureofnativePIP,usersareabletotakephotos/record susingbothfrontandrearcamerasinonebuttonpress.Photographerwouldneverbeattendingbutmissingfromgroupphotos. Copyright©MediaTekInc.All 2015-01- Theeditbuttonisusedtorotate/scaletopgraphic.It’sdefaultlengthissetWegetthelengthofitbyi(width,height)/TOP_GRAPHIC_EDIT_BUTTON_RELATIVE_V(widthispreviewsize’swidth,heightispreviewsize’sheight),defaultvalueismin(width,height)/10 Copyright©MediaTekInc.All 2015-01- Wecanscaletopgraphic’ssize,youcansetminimalsizeand alsize Copyright©MediaTekInc.All 2015-01- Topgraphicisrotatedbythecenterofthesquare.Youcansetthe rotatevaluedefaultis180degreeeindicatestopgraphiccanrotate360.- Copyright©MediaTekInc.All 2015-01- Thelengthoftopgraphicsquarecanbechanged_VALUE,defaultvalueis1/2,whichmeansthetopgraphic’sedgelengthwillequaltomin(width,height)*1/2(widthispreviewsize’swidth,heightispreviewsize’sheight) Copyright©MediaTekInc.All 2015-01- pCroppreview’spositioncanbechangedbyit’sdefaultvaueis3f/4.Take1080x1920previewsizeforexample:it’slefttopdefaultvalue(1920-1080)*3/108Crop108

TopgraphicTopgraphicwith PIP Bottomgraphic Bydefault,thejpeghasnomirroreffecttakenforsubcamera.Inpipmode,youcanchoosewhethersubcamera’sgraphicneedsmirrorbychangethevalueofit’sdefaultvalueis Copyright©MediaTekInc.All 2015-01- YoucanchoosewhichcameraenablesFDinbottomgraphicbychangethevalueofPIPOperator.PIPCustomization.ENABLE_FACE_DETECTION,defaultvalueismaincamera. Copyright©MediaTekInc.All 2015-01- Whenyouwanttoaddyourselfpip te,therearesomeshouldFirstprepare5resources:Back te、Front Back Front

Thebacktem teshouldonlyincludetwocolors,pipeffectswillaccordingtexturesampled,mixtoppreviewbufferwithbacktem te,andthendrawfronttem Ifenterpipeditingmode,drawhighlighttem teonit.Demonstrationtem tesusedtomakeademonstrationtouserthepipeffects. Copyright©MediaTekInc.All 2015-01- Second,putthe5resourcesintoCamera/res/drawable-***dpi,***dpiisdecidedbyyourphonescreen’sdensityandresolutionaddalayouttoshowthedemonstratin te,for Copyright©MediaTekInc.All 2015-01- Open進入PIPMode時（不管當時是main還是subcamera開著），都須要先關閉當前Camera，再依次打開MainCamera和SubCamera。Start->FramePIP不支援dynamicframerate 所以進入PIPMode時會closedynamicframerate，且會根據底層支援的framerate再重新設置framerate（ZSDon和ZSDoff时会支援不同的framerate，AP都可以从featuretable中query到）。(PIP需要強設framerate下來(e.g.1