HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Strona 643

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transparency level. You can use a vector of points instead of a list; in this case, the points can be expressed as
complex numbers.
Example:
FILLPOLY_P({(20,20), (100, 20), (100, 100), (20, 100)}, #FF, 128) draws a
square, 80 pixels on a side, near the upper left of the display, using the color purple and transparency level
128.
GETPIX_P, GETPIX
Syntax: GETPIX([G], x, y)
Syntax: GETPIX_P([G], x, y)
Returns the color of the pixel G with coordinates x,y.
G can be any of the graphics variables and is optional. The default is G0, the current graphic.
GROBH_P, GROBH
Syntax: GROBH(G)
Syntax: GROBH_P(G)
Returns the height of G.
G can be any of the graphics variables and is optional. The default is G0.
GROBW_P, GROB
Syntax: GROBW(G)
Syntax: GROBW_P(G)
Returns the width of G.
G can be any of the graphics variables and is optional. The default is G0.
INVERT_P, INVERT
Syntax: INVERT([G, x1, y1, x2, y2])
Syntax: INVERT_P([G, x1, y1, x2, y2])
Executes a reverse video of the selected region. G can be any of the graphics variables and is optional. The
default is G0.
x2, y2 are optional and if not specied will be the bottom right of the graphic.
x1, y1 are optional and if not specied will be the top left of the graphic. If only one x,y pair is specied, it
refers to the top left.
LINE_P, LINE
Syntax: LINE_P([G], x1, y1, x2, y2, [color])
Syntax: LINE_P([G],points_definition, lines_definitions, otation_matrix or
{rotation_matrix or -1, ["N"], [{eye_x, eye_y, eye_z} or -1], [{3Dxmin,
3Dxmax, 3Dymin, 3Dymax, 3Dzmin, 3Dzmax}]}, [zstring])
Syntax: LINE_P([G],pre_rotated_points, line_definitions, [zstring])
Program commands 595
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