Font Class Reference

The Font class provides text drawing. More...

#include <SimdFont.hpp>

Public Types
typedef std::string	String
typedef Simd::Point< ptrdiff_t >	Point
typedef Simd::View< Simd::Allocator >	View

Public Member Functions
	Font (size_t height=16)
bool	Resize (size_t height)
size_t	Height () const
Point	Measure (const String &text) const
template<class Color >
bool	Draw (View &canvas, const String &text, const Point &position, const Color &color) const
template<class Color >
bool	Draw (View &canvas, const String &text, const View::Position &position, const Color &color) const
template<class Color >
bool	Draw (View &canvas, const String &text, const View::Position &position, const Color &color, const Color &background) const

Detailed Description

The Font class provides text drawing.

Using example:

#include "Simd/SimdFont.hpp"
 
int main()
{
    typedef Simd::Pixel::Bgra32 Color;
    typedef Simd::Font::View View;
 
    Simd::Font font(32);
 
    View image(320, 240, View::Bgra32);
 
    Simd::FillPixel(image, Color(128, 128, 0));
 
    font.Draw(image, "Hello, Simd!", View::MiddleCenter, Color(0, 0, 255));
 
    image.Save("HelloSimd.ppm");
 
    return 0;
}

Member Typedef Documentation

String

typedef std::string String

String type definition.

Point

typedef Simd::Point<ptrdiff_t> Point

Point type definition.

View

typedef Simd::View<Simd::Allocator> View

Image time definition.

Constructor & Destructor Documentation

Font()

Font

(

size_t

height = 16

)

Creates a new Font class with given height.

Note

The font supports ASCII characters only. It was generated on the base of the generic monospace font from Gdiplus.

Parameters

[in]

height

- initial height value. By default it is equal to 16.

Member Function Documentation

Resize()

bool Resize

(

size_t

height

)

Sets a new height value to font.

Parameters

[in]

height

- a new height value.

Returns

a result of the operation.

Height()

size_t Height

(

)

const

Gets height of the font.

Returns

current height of the font.

Measure()

Point Measure

(

const String &

text

)

const

Measures a size of region is need to draw given text.

Parameters

[in]

text

- a text to draw.

Returns

measured size.

Draw() [1/3]

bool Draw	(	View &	canvas,
		const String &	text,
		const Point &	position,
		const Color &	color
	)		const

Draws a text at the image.

Parameters

[out]	canvas	- a canvas (image where we draw text).
[in]	text	- a text to draw.
[in]	position	- a start position to draw text.
[in]	color	- a color of the text.

Returns

a result of the operation.

Draw() [2/3]

bool Draw	(	View &	canvas,
		const String &	text,
		const View::Position &	position,
		const Color &	color
	)		const

Draws a text at the image.

Parameters

[out]	canvas	- a canvas (image where we draw text).
[in]	text	- a text to draw.
[in]	position	- a position to draw text (see Simd::View::Position).
[in]	color	- a color of the text.

Returns

a result of the operation.

Draw() [3/3]

bool Draw	(	View &	canvas,
		const String &	text,
		const View::Position &	position,
		const Color &	color,
		const Color &	background
	)		const

Draws a text at the image. Fills the text background by given color.

Parameters

[out]	canvas	- a canvas (image where we draw text).
[in]	text	- a text to draw.
[in]	position	- a position to draw text (see Simd::View::Position).
[in]	color	- a color of the text.
[in]	background	- background color.

Returns

a result of the operation.