puttextcv

Syntax

puttextcv(handle, text, startpoint, font, scale, color...)

linecv(handle, text, startpoint, font, scale, color, thickness, type, originbottomleft)

Inputs

handle

Handle of an image.

Type: integer

text

Text to add.

Type: string

startpoint

Two-element vector of integers representing the starting position of where the text will be placed on handle.

Type: vector

font

Font of the text. Valid values are:

0: cv::FONT_HERSHEY_SIMPLEX - normal size sans-serif font.
1: cv::FONT_HERSHEY_PLAIN - small size sans-serif font.
2: cv::FONT_HERSHEY_DUPLEX - more complex sans-serif font than cv::FONT_HERSHEY_SIMPLEX.
3: cv::FONT_HERSHEY_COMPLEX: normal size serif font.
4: cv::FONT_HERSHEY_TRIPLEX - more complex serif font than cv::FONT_HERSHEY_COMPLEX.
5: cv::FONT_HERSHEY_COMPLEX_SMALL - smaller version of cv::FONT_HERSHEY_COMPLEX.
6: cv::FONT_HERSHEY_SCRIPT_SIMPLEX - hand-writing style font.
7: cv::FONT_HERSHEY_SCRIPT_COMPLEX - more complex hand-writing style font than cv::FONT_HERSHEY_SCRIPT_SIMPLEX.
16: cv::FONT_ITALIC - italic.

Type: integer

scale

Font scale factor.

Type: scalar

color

3-element vector of integers representing red, blue, green (RGB) colors of text.

Type: vector

thickness

Optional parameter specifying the thickness of text. Default value is 1.

Type: integer

type

Optional parameter specifying the type of the line to draw text. Default value is 8. Valid values are:

1: Filled line.
4: Line is drawn using 4-connected Bresenham algorithm.
8(default): Line is drawn using 8-connected Bresenham algorithm.
16: Antialiased line.

Type: integer

originbottomleft

Optional flag indicating if origin is bottom left. If false, origin is at top left. Default value is false.

Type: logical

Example

Add a text on an image:


handle = imreadcv('bird2.jpg');
imsize = imsizecv(handle);
pos = [imsize(1)/3.5, imsize(2)/6];
font = 7;
scale = 4;
thickness = 2;
linetype = 8;
puttextcv(handle, 'This is a test!!', pos, font,scale, [0 0 139], thickness, linetype, false)