mς έ’šEc@ sždZdklZlZdkTdklZlZdkZdfd„ƒYZ dfd„ƒYZ d e fd „ƒYZ d fd „ƒYZ ed jodklZlZeƒZe eddddƒZeideddƒeiƒeiƒeeieiddƒeiddƒhdd<ƒeiddddƒeeieiddƒeiddƒhdd<ƒeiddddƒeeieiddƒeiddƒhdd<ƒeidddƒe ddƒZx-gZeddƒD]Z ee dq[D]ύZ!eie!de!dddƒeei"eie!d ƒeie!dƒhdd!<ƒeei"eid e!ƒeide!ƒhdd!<ƒeie!de!dddƒe ee!d"ƒee!d"ƒƒZ#eid#d#e#d e#dƒee#ZqWeid#d#ed edƒeid!ddƒeeieid$d$ƒeiddƒƒei$d%d&dƒei%ƒndS('sn todo: scale constraints don't work yet certain scale constraints should affect position, maybe vice versa (s nested_scopessdivision(t*(slogsexpNtPaircB s§tZdZd„Zd„Zd„Zd„Zd„Zd„Zd„Z d„Z d „Z d „Z d „Z d „Zd „Zd„Zd„Zd„Zd„ZRS(sXordered pair of numbers. element-wise add/mult/etc. access the numbers by index or .x .ycC s||_||_dS(N(tatselftb(RRR((t%/home/fenn/3d/cadvas-0.2.2/zooming.pyt__init__s cC s%t|d|d|d|dƒS(Nii(RRtother(RR((Rt__add__scC s%t|d|d|d|dƒS(Nii(RRR(RR((Rt__sub__scC s%t|d|d|d|dƒS(Nii(RRR(RR((Rt__mul__scC s%t|d|d|d|dƒS(Nii(RRR(RR((Rt __truediv__scC s,|dc|d7<|dc|d7<|S(Nii(RR(RR((Rt__iadd__scC s,|dc|d8<|dc|d8<|S(Nii(RR(RR((Rt__isub__scC s,|dc|d9<|dc|d9<|S(Nii(RR(RR((Rt__imul__ scC s,|dc|d<|dc|d<|S(Nii(RR(RR((Rt __itruediv__$scC st|d |d ƒ}|S(Nii(RRtr(RR((Rt__neg__)scC s6|djo |dSn|djo |dSndS( NtxRityRi(RR(RR(tattrR(RR((Rt __getattr__,s  cC sdS(N(tNone(RR((Rt __coerce__1scC sd|i|ifS(Ns(%s,%s)(RRR(R((Rt__str__3scC sdt|ƒS(NsPair%s(tstrR(R((Rt__repr__5scC st|d|dfƒS(Nii(titerR(R((Rt__iter__7scC s:|djo |iSn|djo |iSnt‚dS(Nii(tiRRRt IndexError(RR((Rt __getitem__9s   cC s\|djo ||_n|djo ||_n|djp |djo t‚ndS(Nii(RtvalRRRR(RRR ((Rt __setitem__=s   (t__name__t __module__t__doc__RRR R R R R RRRRRRRRRR!(((RRs$                 t ConstraintcB s#tZd„Zd„Zd„ZRS(NcC sΏ|diƒjotd|ƒ‚n|d jotd|ƒ‚nyt|ƒ}Wntj onXt|tƒ o!|djotd |ƒ‚n||_||_||_d S(sW for example: leftedge>0 (world coords) scl.x==scl.y sleft top right bottom sclx sclysvarname '%s' is unknownts<=s>=s==sop '%s' is unknowntsclxtsclysvalue '%s' is unknownN(R&R's<=s>=s==(R(R)( tvarnametsplitt ValueErrortoptfloattvaluet isinstanceRtvar(RR*R-R/((RRDs   cC sd|i|i|ifS(Ns(RR1R-R/(R((RRYscC sm|idjo ||jp:|idjo ||jp|idjo||jo|||}n|S(sρ calc receives requested value 'v' and returns a new value. returning v itself means that the constraint had no effect-- the requested value will not violate the constraint. this function might decide to adjust v to meet the constraint though. the available data is a transformed edge coodrinate and the actual edge coordinate. the coordinate system is unspecified, but all values will be in the same coord system. R'R&s==N(RR-t transformedtedgetv(RR4R3R2((Rtcalc\s W(R"R#RRR5(((RR%Cs  tZoomingcB s§tZdZd„Zd„Zd„Zd„Zd„Zd„Zd„Z d„Z d „Z d „Z d „Z d „Zd „Zd„Zd„Zd„Zd„ZRS(s2canvas that supports zoom and pan. in this object, the 'world' coordinates are the unchanging ones. you convert to/from 'canvas' coordinates, which are the ones suitable for all canvas operations. maybe sometime i'll wrap all the canvas ops so you can work exclusively in world coords.cO sDti|||Žtddƒ|_tddƒ|_g|_dS(Nii( tCanvasRRtktkwRtofftsclt constraints(RR8R9((RRzscG sQ|iit|Œƒ|iƒo*|iddƒ|iddddƒndS(Nii(RR<tappendR%targstwinfo_ismappedtmovetscale(RR>((Rt addconstraint…s cC sXg}xB|iD]7}|i|jo |i|jp|i|ƒqqW||_dS(N(tkeepRR<tcR1R*R-R=(RR*R-RCRD((Rt delconstraintŒs   c C sΣx‰|iD]~}|idjoK|i|id|i|ƒddd|i|i |dƒdƒƒ}n|idjoQ|i|id|i|ƒd|i ƒd|i|i |dƒdƒƒ}n|idjoK|i |id|i |ƒddd|id|i |ƒdƒƒ}n|id joQ|i |id|i |ƒd|iƒd|id|i |ƒdƒƒ}q q W|i||ƒ\}}ti|d ||ƒ|i||f7_d S( svcanvas move command, but always moves everything and updates the transformation. dx,dy are world coordinates.tleftR4R3iR2trightttopitbottomtallN(RR<RDR1tc2w_dxR5tw2c_dxtdxt world2canvasR/t winfo_widthtc2w_dytw2c_dytdyt winfo_heighttworld2canvas_vectortcdxtcdyR7R@R:(RRMRRRDRURV((RR@“s, * ** .cC s|it||ƒ|iŒS(sDlike move, but you give canvas units (pixels) instead of world unitsN(RR@RRMRRR;(RRMRR((Rtmove_can­sc C sH|djp |djo dGHdSnx|iD]‚}|idjo.|i| d|d|i|ii ƒ }n|idjo.|i| d|d|i|ii ƒ }q1q1Wt ||ƒ}t |i ||ƒŒ}|i|9_t |i ||ƒŒ}|i||7_ti|d||||ƒ|iddƒdS( sΈcanvas scale command, but also updates the transformation. all objects are scaled. origin is in canvas coordinates (use world2canvas to convert from world coords if necessary).is3Zooming.scale received scale factor of 0 - ignoringNR(R3R2R)RJ(txScaletyScaleRR<RDR1R5R/R;RRRtfactort canvas2worldtxOrigintyOrigintworldorigin_prescaletworldorigin_postscaleR:R7RAR@( RR\R]RXRYRDR_R^RZ((RRA±s" .2cC s.|i||||ii||iiƒdS(sRsets scale factor absolutely, rather than multiplying to the existing scale factorN( RRAR\R]RXR;RRYR(RR\R]RXRY((RtsetscaleΠscG s$t|Œ|i|i}t|ƒS(sEtakes a world coordinate as a tuple and returns the canvas coordinateN(Rt worldcoordRR:R;Rttuple(RRaR((RRNΤscG s$t|Œ|i|i}t|ƒS(sEtakes a canvas coordinate as a tuple and returns the world coordinateN(Rt canvascoordRR;R:RRb(RRcR((RR[ΩscG st|Œ|iS(s(converts a canvas vector to world vectorN(RR4RR;(RR4((Rtcanvas2world_vectorήscG st|Œ|iS(s(converts a world vector to canvas vectorN(RR4RR;(RR4((RRTαscC s|i|dƒdS(Ni(RRdRM(RRM((RRKεscC s|i|dƒdS(Ni(RRTRM(RRM((RRLζscC s|id|ƒdS(Nii(RRdRR(RRR((RRPηscC s|id|ƒdS(Nii(RRTRR(RRR((RRQθsc sQd„‰d„‰d„}ˆid‡‡d†ƒˆid‡‡d†ƒdS( s1arranges for ctrl-LMB to pan the canvas like me10cC st|i|iƒ|_dS(N(RtevRRRt lastmouse(RRe((RtpressμscC sF|i|i|ii|i|iiƒt|i|iƒ|_dS(N(RRWReRRfRR(RRe((Rtmotionξs*cC sdS(N((RRe((Rtreleaseρssc s ˆˆ|ƒS(N(RgRRe(Re(RgR(Rtσssc s ˆˆ|ƒS(N(RhRRe(Re(RhR(RRjτsN(RgRhRiRtbind(RRgRhRi((RRgRhRt panbindingsκs    c sQd„‰d„‰d„}ˆid‡‡d†ƒˆid‡‡d†ƒdS( s2arranges for ctrl-RMB to zoom the canvas like me10cC s4t|i|iƒ|_t|i|iƒ|_dS(N(RReRRRt firstmouset prevmouse(RRe((RRgϋscC sh|i|ii|iidd|i|iidd|i|iiƒt|i|iƒ|_dS(Nif0.02(RRARmRRReRnR(RRe((RRhώscC sdS(N((RRe((RRissc s ˆˆ|ƒS(N(RgRRe(Re(RgR(RRjssc s ˆˆ|ƒS(N(RhRRe(Re(RhR(RRjsN(RgRhRiRRk(RRgRhRi((RRgRhRt zoombindingsψs    (R"R#R$RRBRER@RWRAR`RNR[RdRTRKRLRPRQRlRo(((RR6qs$                toutline_markercB stZRS(N(R"R#(((RRp st__main__(ssinscostwidthitheighttfilltexpandiii‹ttagstdemoi<f0.5iiiii itgridf0.10000000000000001i2i™R(s==(&R$t __future__t nested_scopestdivisiontTkintertmathtlogtexptoperatorRR%R7R6RpR"tsintcostTktroottztpacktBOTHRlRotapplytcreate_rectangleRNRAt itemconfiguretunscalet_[1]trangeRRt create_linetscaRBtmainloop(RR€R‹R~RRR{RzR%R6R‚RRpR$RŒRRR…R„((Rt?sH 4.™    888/88#,