C H A P T E R 1 3
Drawing and Graphics
13-26
Summary of Drawing
trackWhileScrolling :
integer,
// tracks the grey box
...
}
}
Functions and Methods
13
Bitmap Functions
13
MakeBitmap(
widthInPixels, heightInPixels, optionsFrame
)
DrawIntoBitmap(
shape, styleFrame, destBitmap
)
MungeBitmap(
bitmap, operator, options
)
view
:ViewIntoBitmap(
view, srcRect
,
destRect
,
destBitmap
)
Hit-Testing Functions
13
HitShape(
shape
,
x
,
y
)
PtInPicture(
x
,
y
,
bitmap
)
Shape-Creation Functions
13
MakeLine (
x1
,
y1
,
x2
,
y2
)
MakeRect (
left
,
top
,
right
,
bottom
)
MakeRoundRect (
left
,
top
,
right
,
bottom
,
diameter
)
MakeOval (
left
,
top
,
right
,
bottom
)
MakeWedge (
left
,
top
,
right
,
bottom
,
startAngle
,
arcAngle
)
MakePolygon (
pointArray
)
MakeShape (
object
)
MakeRegion (
shapeArray
)
MakePict (
shapeArray
,
styleFrame
)
MakeText (
string
,
left
,
top
,
right
,
bottom
)
MakeTextLines(
string
,
bounds
,
lineheight
,
font
)
TextBox(
text, fontFrame, bounds
)
Shape Operation Functions and Methods
13
GetShapeInfo
(
shape
)
view:
DrawShape (
shape
,
styleFrame
)
OffsetShape (
shape
,
deltaH
,
deltaV
)
ScaleShape (
shape
,
srcRect
,
dstRect
)
ShapeBounds (
shape
)
InvertRect(
left
,
top
,
right
,
bottom
)
InsetRect(
rect
,
deltax
,
deltay
)