You rrust focus the gratPort on yo,rc view befOre call~ tnese rMines

3.7A.1 ~ RoJtJnes

PROCE1RE MNeTd...

ttl. v:

L~

MNeTm.. moves the

pen

^to location (tuI) In view coordlnates. ~ ~ Is

performed.

PRO(E1RE ~ (eI\. eN: LaGNT);

~ rroves the pen a dlstfme of CI'I oorlzontally nJ

*

vertically

trom

Its

current location; It calls

MNeTt:l..(h+ctUt..w),

Where

(tuI)

Is

^the

current

location In view coordinates. 1lle positive directions are to the rlg'lt En2c doWn. No ~ Is perfOrmed.

PROCaJ·p£ UnaTm.. ~

v:

~

UneTd... draWS a line

trom

the

current

pen location to the location speclfled (In view

coordlnates)

by

h

^;n1

v.

The

new pen

locatloo Is (tuI) after ^the

ltne

Is draWn.

PROCEX..RE LIneL (eI\. dV: L~

LIneL dI1r.'s 8 line to the locat1on that Is 8 dlstfme Of CIl

nortzmtally

rid dV vertically

trom

the

current

pen locaUm;

It cans

UneT~~ Where (tuI)

Is

tne

current locaUoo.

The

poslUve

dlrecUOOs

are to

tne rl~t ald doWn. The pen locaUon beComes tne coordlnates of the En1 of the Une after

tne llne

Is

draWn.

L/$II TOOlKIt Refen!nce ~

3.7.4.2

Qi4IlIC

qeatlms m ~

~ FnmeLRect (r: ~

FnmeLRect draWS ^8'l ouU1ne ).1st inside tile specified recta'lgle, using the

current views pen pattem, ^{mode, and} size. ^1he ouU1ne Is as wide as the pen w1dUl crld

as

tall as tile pen hel~t. It

Is

^{draWn with} tne ^the current pen pattern (&:rAIt1 axxlrtJlng to tne pattern tnrlSfer mode (p MJde~ Tne pen lOcation Is not eta _ by this proceclJre.

~ PatnU..Rect (r. ~

PatnU..Rect paints tne specified recta'lgle with tne current pen pattern and mode. The rectangle 00 the bitmap

Is

fllled wltn the pPat, CDX)~ to the

pattern tra ~er mode specified by II MJde. The pen location Is not ctwlged by this proceclJre.

~ EIaseLRect (r. ~

EraseLRect paints the specified rectangle '4Ilth the current GrafPort'$ back-gJ'OlRJ pattern

twat

(In patCq)y mode~

ne

GrafPort's p-Pat. en:! pMlde"

are Ig1Ored; the pen lOcation Is not ~cta~ "

PRCXEX.RE IrM1LRect (r. ~

IrM1LRect Inverts the pixels erolosed by the specified rec~le: f!NeTy White

pixel becomes black

am every

black pixel becomes White. The GlafPort's

pPat, II MJde,

ens

^R*Pat

are

all Ig"med; the pen locaUoo Is rot ~ PRCX:EI1RE Fl1LRect (r.

LRect:

^{IPat: LPat~}

Fl1I..Rect fills the specified rectangle ^with the given pattern ^(In patCq)y mode~ 1he GrafPort's ~ pMJde,

em twat

are all l~red; the pen

location is rot Char ~

3.7.A3 Gi8Jldc qeatIons .... 0V8ls

PRCXHlLRE FraneLOV8l (r. ~

FraneLovat· draWs al ouU1ne ).1St lnslde the oval that flts inside tile specified

rec~le.. 1te outline Is

as

wide

as

the pen width

am as tall as

the pen

hel~ It Is ^draWn with the prPa\, accordlng to the pattern tJar.sfer mode

specified by pMJde. The pen location Is rot

cra9ld

by thls procedJre.

PROCE11.RE Pak1tL.0V8l (r. ~

Pak1tL.0V8l paints 8'l oval )at Inslete the speclfled l8Cta'lgl8. The OWl Is flllad with tile pen pattern pPat, acco~ to the pattern

tra.fer

^mode

specified by

PI

MJde. The pan location

Is

rot cta'9d by this procedJre.

PROCE:UI: EraseLOV8l (r. ~

EmseLovat paints CI'l oval ).1st inside tile specified rect.arge with the current

backg1"om pattern

twat

(In patCcJpy mode~ The pen pattern

JI'Pat

CIld the

pattern tnnsfer mode prMJde are ^t(JOl'ed; tile pen locattcn Is not chal9'C1

L/ss TooJKJt ReIWence /t1InJ8J

3.7AA

GI"'c

Operatlons .01 RolnB1-COmer RectfnIeS

PRCJC:t7I1RE FnmeLRRect (r. L.Rect; CMIl~ ~ NIE~

FnmeLRRect draWS til OUUlne ),1st inside the speclfled ro.niBd-comer

rec~le, us~ the current

pen

pattern, roode, an:J size. OV8lWldth ani ovaIHBl~ specify the dicrneters Of curvature for the comers. 1lle outline Is as wide as Ule

pen

width cn:J as tall as the pen hel~l The

pen

.locatlm Is rot ~ by this pl'OC8Cl.lr8.

PRCX::HU£ PaInU...RRect (r.

LRect.:

CMIl~ ~ NIE~

PaIntLRRect paints the specified rou Ided-OOrner recta"lgle with tne current GIafPOrt's pen pattern

em

^rmde. OV8lWldUl cn:J ovaIlEJIg't specify the

diameters of curvature for the comers. The ro.nted-comer recWge CI'l the bitmap Is fllled with the prPat, acco~ to the pattern tnnsfer roode specified by pMldB. The

pen

locaUmls

rot chal9'd

^{by this}

proceclAre.

PRCXE1RE EmseLRRect (r. L.Rect; CMlWldUl. CMIII ~ NIE~

ErasaLRRsct paints the specified ro.niBd-comer recta1gle· with tne current GlafPort's baCkgr0.n2 pattern bkPat (In ~ roode~ OV8IWldth

em

~ speclfy the diameters Of curvature for the comers. Tne GIafPOrt's pf>at crld JI fitJde are I~red; Ule

pen

locaUm Is rot challge(1

PRCX::HU£ hIrtLRRect (r:

LRect.:

^{CMIl~ oval ~ NIE~}

hIrtLRRect Inverts the pixelS arolosed by the speclfled reJU'Gd-comer recW9e: every white plxel beca'nes bleD

cnt

every bla:;k plxel beca'nes

FI1LRR8ct fills tne speciftedro.niBd-comer recWge with the given pattern (In patCqJy roode~ OV8IWIdth

am

^{oval _ _ specify} the diameters of

curvature fOr the comers. Tne p-Pat., pi fitJde, cn:J I*Pat are all t~red; the

pen

locaUO'l Is rot challge(1

LI$II ToolKIt ReRmJnce I-1BfUJJ

uslrYJ the current GrafPort's

pen

pattern, roode., and size. stm1.PfQle lrdcates where· the arc begins en:J Is treated rood~· ~ deflnes the extent Of the

arc.

^{1lle ~es}

are given

In

postUw or negaUve

degreeS;

a poslUve

~e goes clockwise., '-"lIe a negatlve 8'9\e

goes

COU'lterolOCkwlse. zero degrees Is at 12 o'clOCk tll~ goo (or -27lrlls at 3 o'clOCk" lao- (or -lao-) Is the current GrafPort's backgrou'YJ pattern I*Pat (In patCqJy mode~

StartArge and acArQIe define tne arc of the wedge as In FnrneArc. The lworat the·pen locatlmls

rot ctag:n

Dans le document The Usa Applications (Page 46-49)