PHP Developer''''s Dictionary- P112 docx

imagepsbbox Syntax array imagepsbboxstring text, int font, int size [, int space [, int character_space [, float angle]]] Description The imagepsbbox function, which was added in P

The imagepolygon() function creates a polygon, of color , defined by points and num_points in the image The points parameter is an array containing the polygon's vertices (that is, points[0] = x0, points[1] = y0, points[2] = x1, points[3] = y1, and so on) and num_points is the total number of vertices

imagepsbbox()

Syntax

array imagepsbbox(string text, int font, int size [, int space

[, int character_space [, float angle]]])

Description

The imagepsbbox() function, which was added in PHP 3.0.9, gives the bounding box

of a text rectangle using a PostScript Type 1 font The optional space parameter

enables you to define the size of a space, and character_space enables you to

define the space between characters

Note

Because the box is using information available from character metrics, you might want to specify an angle of 1 for what would normally be 0

The array that is returned contains the items listed in Table 11.21

Table 11.21 Contents of the Returned Array

imagepsencodefont()

Syntax

int imagepsencodefont(string encoding_file)

Description

which is often used when you are creating text in a language other than English, you can set the ps.default_encoding directive in the php.ini file to the appropriate encoding font

imagepsfreefont()

Syntax

imagepsfreefont(int font_index)

Description

The imagepsfreefont() function, which was added in PHP 3.0.9, frees any memory (destroys) used by a PostScript Type 1 font

imagepsloadfont()

Syntax

int imagepsloadfont(string font)

Description

The imagepsloadfont() function, which was added in PHP 3.0.9, loads the PostScript Type 1 font If there was an error, it will be returned and printed to you

imagepsextendfont()

Syntax

boolean imagepsextendfont(int font, double extend_or_condense)

Description

The imagepsextendfont() function, which was added in PHP 3.0.9, enables you to extend or condense the font by providing a larger or smaller number in the

extend_or_condense parameter

imagepsslantfont()

Syntax

boolean imagepsslantfont(int font, double slant)

Description

The imagepsslantfont() function, which was added in PHP 3.0.9, slant s a

particular font

imagepstext()

Syntax

array imagepstext(int image, string text, int font, int size, int

foreground,

int background, int x, int y [, int space [, int character_space [,

float

angle [, int antialias]]]])

Description

The imagepstext() function, which was added in PHP 3.0.9, draws a text string

over an image using PostScript Type 1 font that is proportioned by size The foreground parameter contains the color you want to use for this text, and the background parameter contains the background color The drawing itself starts at

the specified x and y location

The optional space parameter enables you to define the size of a space, and the character_space enables you to define the space between characters The antialias setting enables you to control the number of colors that will be used to

antialias the text This value can be between 4–16

Note

Because the string is using information available from character metrics, you might want to specify an angle of 1 for what would normally be 0

The array that is returned contains the items listed in Table 11.22

Table 11.22 Contents of the Returned Array

3 Upper right y-coordinate

imagerectangle()

Syntax

int imagerectangle(int image, int x_1, int y_1, int x_2, int y_2, int color)

Description

The imagerectangle() function draws a rectangle with color in image that starts at x_1 and y_1 and ends at x_2 and y_2

imagesetpixel()

Syntax

int imagesetpixel(int image, int x, int y, int color)

Description

The imagesetpixel() function draws a single pixel with color in image that starts

at x_1 and y_1 and ends at x_2 and y_2

imagestring()

Syntax

int imagestring(int image, int font, int x, int y, string text, int color)

Description

The imagestring() function draws text in image with color in a horizontal manner

It starts at the x and y position defined and is in font

imagestringup()

Syntax

int imagestringup(int image, int font, int x, int y, string text, int color)

Description

The imagestringup() function draws text in image with color in a vertical (pointing up) manner It starts at the x and y position defined and is in font

imagesx()

Syntax

int imagesx(int image)

Description

The imagesx() function returns the width of the image

imagesy()

Syntax

int imagesy(int image)

Description

The imagesy() function returns the height of the image

imagettfbbox()

Syntax

array imagettfbbox(int size, int angle, string font, string text)

Description