jit.lcd
Description
The jit.lcd object is a wrapper for many QuickDraw commands.
Examples
Matrix Operator
matrix inputs:0, matrix outputs:1
| Name | IOProc | Planelink | Typelink | Dimlink | Plane | Dim | Type |
|---|---|---|---|---|---|---|---|
| out | n/a | 1 | 1 | 1 | 4 | 1 | char |
More about Matrix Operators
The Jitter MOP
MOP Arguments
MOP Attributes
MOP Messages
Attributes
Common Box Attributes
Messages
ascii
Arguments
character
[int]
Writes the ASCII character specified by the character argument at the current pen location using the current font and textmode, then moves the pen position to the right of that character. Numbers that exceed the 0-255 range are restricted to that range with a modulus operation.
brgb
Arguments
red
[int]
green [int]
blue [int]
green [int]
blue [int]
Sets the current background color. All values should be in the range 0-255.
clearpicts
clipoval
Arguments
left
[int]
top [int]
bottom [int]
right [int]
top [int]
bottom [int]
right [int]
Clips drawing commands to the oval specified by left top right bottom The arguments are specified in pixels, relative to the top left corner of the viewing area.
clippoly
Arguments
x/y int pairs
[list]
Clips drawing commands to the polygon specified by the up to 254 x/y-pairs arguments. These integer pairs are specified in pixels, relative to the top left corner of the viewing area.
cliprect
Arguments
left
[int]
top [int]
bottom [int]
right [int]
top [int]
bottom [int]
right [int]
Clips drawing commands to the rectangle specified by left , top , right , and bottom arguments. These integer arguments are specified in pixels, relative to the top left corner of the viewing area.
cliproundrect
Arguments
left
[int]
top [int]
bottom [int]
right [int]
horizontal-roundness [int]
vertical-roundness [int]
top [int]
bottom [int]
right [int]
horizontal-roundness [int]
vertical-roundness [int]
Clips drawing commands to the rounded rectangle specified by left , top , right , bottom , horizontal-roundness , and vertical-roundness arguments. These integer arguments are specified in pixels, relative to the top left corner of the viewing area.
color
Arguments
color-index
[int]
Sets the current pen color to the value specified by the color-index argument.
deletepict
Arguments
any symbol
[list]
The word deletepict, followed by a symbol, deletes the named the picture from memory so that it can no longer be drawn. To remove the image from the lcd object's display, the command should be followed by a clear message.
drawpict
Arguments
pict-name
[symbol]
x-offset [int]
y-offset [int]
width [int]
height [int]
src-x-offset [int]
src-y-offset [int]
src-width [int]
src-height [int]
x-offset [int]
y-offset [int]
width [int]
height [int]
src-x-offset [int]
src-y-offset [int]
src-width [int]
src-height [int]
Draws the named picture or matrix. A destination rectangle into which the picture is scaled and drawn may optionally be specified by the x-offset , y-offset , width , and height integer arguments. A source rectangle that specifies the area of the picture to use in the operation may also be optionally specified by the src-x-offset , src-y-offset , src-width , and src-height integer arguments. The position of the destination and source rectangles are relative to the top left corner of the jit.lcd object's display area. Unless otherwise specified, both rectangles are set to be the same size as the picture. All arguments are optional and default to zero. The current penmode will used as the transfer mode.
font
Arguments
mutex
group
font-id [int]
font-name [symbol]
endmutex group
font-size () [int]
font-id [int]
font-name [symbol]
endmutex group
font-size () [int]
Sets the current font name and size. Fonts can be specified by either their ID number or name. Font size is specified in points.
framearc
Arguments
left
[int]
top [int]
bottom [int]
right [int]
start-angle [int]
arc-length [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
top [int]
bottom [int]
right [int]
start-angle [int]
arc-length [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
Paints the outline of an arc. The left , top , right , and bottom arguments describe the top and bottom extremities in pixels of an oval across which the arc will be drawn, and the start-angle and arc-length arguments describe the position of the arc with respect to the oval. The location of the oval/arc is relative to the top left corner of the jit.lcd object's display area. A color may also optionally be specified using a single number that selects a color from Max's color palette (similar to the color message), or by using three additional numbers that describe an RGB value (similar to the frgb message). The width of the line segment describing the arc is set using the pensize message to the jit.lcd object.
frameoval
Arguments
left
[int]
top [int]
bottom [int]
right [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
top [int]
bottom [int]
right [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
Draws the unfilled outline of an oval. The left , top , right , and bottom integer arguments describe the top and bottom extremities in pixels of the oval. The location of the oval is relative to the top left corner of the jit.lcd object's display area. Optional additional arguments to specify the color of the border may also follow. If a single integer argument is used, it specifies a color from Max's color palette. Three integer arguments specify an RGB color. The width of the border of the oval is set using the pensize message to the jit.lcd object.
framepoly
Arguments
x/y int pairs
[list]
Draws the unfilled outline of a polygon specified by up to 254 integer x/y-pair arguments. Each integer pair specifies a pixels relative to the top left corner of the jit.lcd object's display area. A polygon is closed by specifying an x/y pair having the same values as the first integer pair. The width of the border of the polygon is set using the pensize message to the jit.lcd object.
framerect
Arguments
left
[int]
top [int]
bottom [int]
right [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
top [int]
bottom [int]
right [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
Draws the unfilled outline of a rectangle specified by the left , top , right , and bottom integer arguments. The edge positions are specified as pixels relative to the top left corner of the jit.lcd object's display area. Optional additional arguments to specify the color of the border may also follow. If a single integer argument is used, it specifies a color from Max's color palette. Three integer arguments specify an RGB color. The width of the border of the rectangle is set using the pensize message to the jit.lcd object.
frameroundrect
Arguments
left
[int]
top [int]
bottom [int]
right [int]
horizontal-roundness [int]
vertical-roundness [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
top [int]
bottom [int]
right [int]
horizontal-roundness [int]
vertical-roundness [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
Draws the unfilled outline of a rounded rectangle. The left , top , right , and bottom integer arguments describe the top and bottom extremities of the rectangle, and the The horizontal-roundness and vertical-roundness] integer arguments specify the amount of corner rounding in pixels. The location of the rounded rectangle is relative to the top left corner of the jit.lcd object's display area. Optional additional arguments to specify the color of the border may also follow. If a single integer argument is used, it specifies a color from Max's color palette. Three integer arguments specify an RGB color. The width of the border of the rectangle is set using the pensize message to the jit.lcd object.
frgb
Arguments
red
[int]
green [int]
blue [int]
green [int]
blue [int]
Sets the current foreground color. All arguments should be in the range 0-255.
getpenloc
Sends the x and y coordinates of the current pen location out the right outlet of the object as a list in the form penloc x-offset y-offset . The numbers represent local coordinates relative to the top left corner of the jit.lcd object's display area. The first number is the number of pixels to the right of that corner, and the second number is the number of pixels down from that corner.
getpixel
Arguments
x-offset
[int]
y-offset [int]
y-offset [int]
Sends the color of the pixel specified by the x and y offset arguments and the coordinates out the object's right outlet as a list in the form pixel red green blue x-offset y-offset . The three color values should be in the range 0-255. The pixel location is specified relative to the top left corner of the jit.lcd object's display area. If a pixel is out of range, the getpixel message will output pixel 0 0 0 x y, where x and y are the out of range location specified.
line
Arguments
x-offset
[int]
y-offset [int]
y-offset [int]
Draws a line from the current pen position to the relative point specified by two integer x-offset and x-offset arguments. The endpoint of the line becomes the new pen position. Positive values for the x-offset and x-offset arguments draw the line to the right or down, and negative arguments draw up or to the left.
linesegment
Arguments
x-start
[int]
y-start [int]
x-end [int]
y-end [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
y-start [int]
x-end [int]
y-end [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
Draws a line segment. The x-start , y-start , x-end , and y-end arguments specify the start and end points of the line segment. The location of the start and end points is relative to the top left corner of the jit.lcd object's display area. Optional additional arguments to specify the color of the line segment may also follow. If a single integer argument is used, it specifies a color from Max's color palette. Three integer arguments specify an RGB color. The width of the line segment is set using the pensize message to the jit.lcd object.
lineto
Arguments
x-offset
[int]
y-offset [int]
y-offset [int]
Draws a line from the current pen position to the relative point specified by two integer x-offset and x-offset arguments. Positive values for the x-offset and x-offset arguments draw the line to the right or down, and negative arguments draw up or to the left.
move
Arguments
x-offset
[int]
y-offset [int]
y-offset [int]
Moves the pen position relative to its current location. The new location is specified by the two integer x-offset and x-offset arguments. Positive values for the x-offset and x-offset arguments move the pen position to the right or down, and negative arguments move it up or to the left.
moveto
Arguments
x-offset
[int]
y-offset [int]
y-offset [int]
Sets the pen position at which the next graphic instruction will be drawn. The new location is specified by the two integer x-offset and x-offset arguments that are relative to the top left corner of the jit.lcd object's display area.
noclip
Removes any clipping area that may be in place.
oprgb
Arguments
red
[int]
green [int]
blue [int]
green [int]
blue [int]
Sets the current opcode color used in some of the jit.lcd object's transfermodes, such as "blend". All arguments should be in the range 0-255.
paintarc
Arguments
left
[int]
top [int]
bottom [int]
right [int]
start-angle [int]
arc-length [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
top [int]
bottom [int]
right [int]
start-angle [int]
arc-length [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
Paints an arc. The left , top , right , and bottom integer arguments describe the top and bottom extremities in pixels of an oval across which the arc will be drawn, and the start-angle and arc-length arguments describe the position of the arc with respect to the oval. The location of the oval/arc is relative to the top left corner of the jit.lcd object's display area. Optional additional arguments to specify the color of the arc may also follow. If a single integer argument is used, it specifies a color from Max's color palette. Three integer arguments specify an RGB color.
paintoval
Arguments
left
[int]
top [int]
bottom [int]
right [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
top [int]
bottom [int]
right [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
Paints an oval. The left , top , right , and bottom integer arguments describe the top and bottom extremities in pixels of the oval. The location of the oval is relative to the top left corner of the jit.lcd object's display area. Optional additional arguments to specify the color of the oval may also follow. If a single integer argument is used, it specifies a color from Max's color palette. Three integer arguments specify an RGB color.
paintpoly
Arguments
x/y int pairs
[list]
Paints a polygon specified by up to 254 integer x/y-pair arguments. Each integer pair specifies a pixel relative to the top left corner of the jit.lcd object's display area. A polygon is closed by specifying an x/y pair having the same values as the first integer pair.
paintrect
Arguments
left
[int]
top [int]
bottom [int]
right [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
top [int]
bottom [int]
right [int]
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
Paints a rectangle specified by the left , top , right , and bottom integer arguments. The edge positions are specified as pixels relative to the top left corner of the jit.lcd object's display area. Optional additional arguments to specify the color of the rectangle may also follow. If a single integer argument is used, it specifies a color from Max's color palette. Three integer arguments specify an RGB color.
paintroundrect
Arguments
left
[int]
top [int]
bottom [int]
right [int]
horizontal-roundness []
vertical-roundness []
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
top [int]
bottom [int]
right [int]
horizontal-roundness []
vertical-roundness []
mutex group
color-index [int]
red [int]
green [int]
blue [int]
endmutex group
Paints a rounded rectangle. The left , top , right , and bottom integer arguments describe the top and bottom extremities of the rectangle, and the The horizontal-roundness and vertical-roundness] integer arguments specify the amount of corner rounding in pixels. The location of the rounded rectangle is relative to the top left corner of the jit.lcd object's display area. Optional additional arguments to specify the color of the rectangle may also follow. If a single integer argument is used, it specifies a color from Max's color palette. Three integer arguments specify an RGB color.
penmode
Arguments
penmode-index
[int]
Sets the transfer mode for subsequent drawing operations. The transfer mode is set using an integer argument in the range 0-39. Supported transfer modes are:
0 = Copy
1 = Or
2 = Xor
3 = Bic
4 = NotCopy
5 = NotOr
6 = NotXor
7 = NotBic
32 = Blend
33 = AddPin
34 = AddOver
35 = SubPin
36 = Transparent
37 = AddMax
38 = SubOver
39 = AddMin
For more information on the effects of each drawing mode, refer to the QuickDraw documentation in Inside Macintosh .
0 = Copy
1 = Or
2 = Xor
3 = Bic
4 = NotCopy
5 = NotOr
6 = NotXor
7 = NotBic
32 = Blend
33 = AddPin
34 = AddOver
35 = SubPin
36 = Transparent
37 = AddMax
38 = SubOver
39 = AddMin
For more information on the effects of each drawing mode, refer to the QuickDraw documentation in Inside Macintosh .
pensize
Arguments
number-of-pixels
[int]
Sets the pen size to be used subsequent drawing operations. The pen size is set with a single integer argument.
readpict
Arguments
pict-name
[symbol]
Reads a picture file specified by the symbol pict-name from disk into RAM. This named picture can then be drawn in lcd with the drawpict and tilepict messages.
reset
scrollrect
Arguments
left
[int]
top [int]
right [int]
bottom [int]
left [int]
x-offset [int]
y-offset [int]
top [int]
right [int]
bottom [int]
left [int]
x-offset [int]
y-offset [int]
Moves or "scrolls" a rectangle defined by the left , top , right , and bottom integer arguments in the direction specified by the x-offset and y-offset integer arguments. the first four arguments in the direction specified by the fifth and sixth ints within the jit.lcd object's display area.
setpixel
Arguments
x-offset
[int]
y-offset [int]
red [int]
green [int]
blue [int]
y-offset [int]
red [int]
green [int]
blue [int]
Sets the pixel located at the coordinates specified by the x-offset and y-offset coordinates to the RGB value specified by the red , green , and blue arguments. The RGB values should be integers in the range 0-255. The pixel location is specified relative to the top left corner of the jit.lcd object's display area.
textface
Arguments
font-style
[list]
Sets the font style(s) to be used when rendering text. Font styles may be specified individually with a single symbol argument, or as a list. Valid font styles are normal, bold, italic, underline, outline, shadow, condense, and extend;
textmode
Arguments
mode-index
[int]
Sets the text rendering mode using an integer argument in the range 0-39. Supported textmodes are:
0 = Copy
1 = Or
2 = Xor
3 = Bic
4 = NotCopy
5 = NotOr
6 = NotXor
7 = NotBic
32 = Blend
33 = AddPin
34 = AddOver
35 = SubPin
36 = Transparent
37 = AddMax
38 = SubOver
39 = AddMin
For more information on the effects of each rendering mode, refer to the QuickDraw documentation in Inside Macintosh .
0 = Copy
1 = Or
2 = Xor
3 = Bic
4 = NotCopy
5 = NotOr
6 = NotXor
7 = NotBic
32 = Blend
33 = AddPin
34 = AddOver
35 = SubPin
36 = Transparent
37 = AddMax
38 = SubOver
39 = AddMin
For more information on the effects of each rendering mode, refer to the QuickDraw documentation in Inside Macintosh .
tilepict
Arguments
pict-name
[symbol]
dst-left [int]
dst-top [int]
dst-right [int]
dst-bottom [int]
src-left [int]
src-top [int]
src-right [int]
src-bottom [int]
dst-left [int]
dst-top [int]
dst-right [int]
dst-bottom [int]
src-left [int]
src-top [int]
src-right [int]
src-bottom [int]
Fills a rectangle by tiling a picture. The name of a jit.matrix object can be used in place of the name of a PICT file, provided that the named jit.matrix object is a 4 plane char data matrix.
Four optional integers can be used to specify a destination rectangle in which the picture is tiled and four integers that specify the area of the picture to use in the operation can be added. Destination and source rectangles are specified by their left, top, width, and height values in pixels. The destination and source rectangles are specified relative to the top left corner of the matrix. If no destination rectangle is specified, the destination is set to the size of the lcd matrix and the source is set to be the same size as the picture.
write
Arguments
symbol
[symbol]
Writes the text specified by the symbol argument at the current pen location, using the current font and textmode.
writepict
Arguments
filename
[symbol]
Writes the current contents of the jit.lcd object's display area to a PICT file. If no filename argument is present, a Save As dialog will prompt you to choose a filename and location to write the PICT file.
See Also
| Name | Description |
|---|---|
| jit.gl.sketch | |
| lcd | |
| Tutorial 29: Using the Alpha Channel | Tutorial 29: Using the Alpha Channel |