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# ipe::Cascade Class Reference
Ipe Document

A cascade of style sheets. More...

`#include <ipestyle.h>`

List of all members.

## Public Member Functions

- Cascade ()
- Cascade (const Cascade &rhs)
- Cascade & operator= (const Cascade &rhs)
- ~Cascade ()
- int count () const
- StyleSheet * sheet (int index)
- void insert (int index, StyleSheet *sheet)
- void remove (int index)
- void saveAsXml (Stream &stream) const
- bool has (Kind kind, Attribute sym) const
- Attribute find (Kind, Attribute sym) const
- const Symbol * findSymbol (Attribute sym) const
- const Gradient * findGradient (Attribute sym) const
- const Tiling * findTiling (Attribute sym) const
- const Effect * findEffect (Attribute sym) const
- const Layout * findLayout () const
- const TextPadding * findTextPadding () const
- const StyleSheet::TitleStyle * findTitleStyle () const
- const StyleSheet::PageNumberStyle * findPageNumberStyle () const
- String findPreamble () const
- String findEncoding () const
- TLineCap lineCap () const
- TLineJoin lineJoin () const
- TFillRule fillRule () const
- void allNames (Kind kind, AttributeSeq &seq) const
- int findDefinition (Kind kind, Attribute sym) const
- void allCMaps (std::vector< String > &seq) const

## Detailed Description

A cascade of style sheets.

The StyleSheets of a document cascade in the sense that a document can refer to several StyleSheets, which are arranged in a stack. A lookup is done from top to bottom, and returns as soon as a match is found. Ipe always appends the built-in "standard" style sheet at the bottom of the cascade.

## Constructor & Destructor Documentation

Cascade::Cascade | ( |  | ) |

Create an empty cascade.

This does not add the standard style sheet.

Cascade::Cascade | ( | const Cascade & | rhs | ) |

Copy constructor.

Cascade::~Cascade | ( |  | ) |

Destructor.

## Member Function Documentation

Cascade & Cascade::operator= | ( | const Cascade & | rhs | ) |

Assignment operator.

int ipe::Cascade::count | ( |  | ) | const`[inline]`

Return number of style sheets.

StyleSheet* ipe::Cascade::sheet | ( | int | index | ) | `[inline]`

Return StyleSheet at index.

void Cascade::insert | ( | int | index,
|  | StyleSheet * | sheet
| ) |  |

Insert a style sheet into the cascade.

Takes ownership of sheet.

void Cascade::remove | ( | int | index | ) |

Remove a style sheet from the cascade.

The old sheet is deleted.

void Cascade::saveAsXml | ( | Stream & | stream | ) | const

bool Cascade::has | ( | Kind | kind,
|  | Attribute | sym
| ) |  | const

Attribute Cascade::find | ( | Kind | kind,
|  | Attribute | sym
| ) |  | const

const Symbol * Cascade::findSymbol | ( | Attribute | sym | ) | const

const Gradient * Cascade::findGradient | ( | Attribute | sym | ) | const

const Tiling * Cascade::findTiling | ( | Attribute | sym | ) | const

const Effect * Cascade::findEffect | ( | Attribute | sym | ) | const

const Layout * Cascade::findLayout | ( |  | ) | const

Find page layout (such as text margins).

const TextPadding * Cascade::findTextPadding | ( |  | ) | const

Find text padding (for text bbox computation).

const StyleSheet::TitleStyle * Cascade::findTitleStyle | ( |  | ) | const

Get style of page titles (or 0 if none defined).

const StyleSheet::PageNumberStyle * Cascade::findPageNumberStyle | ( |  | ) | const

Return style of page numbering (or 0 if none defined).

String Cascade::findPreamble | ( |  | ) | const

Return total LaTeX preamble (of the whole cascade).

String Cascade::findEncoding | ( |  | ) | const

Return LaTeX encoding (of the whole cascade).

TLineCap Cascade::lineCap | ( |  | ) | const

TLineJoin Cascade::lineJoin | ( |  | ) | const

TFillRule Cascade::fillRule | ( |  | ) | const

void Cascade::allNames | ( | Kind | kind,
|  | AttributeSeq & | seq
| ) |  | const

int Cascade::findDefinition | ( | Kind | kind,
|  | Attribute | sym
| ) |  | const

Find stylesheet defining the attribute.

This method goes through the cascade looking for a definition of the symbolic attribute sym. It returns the index of the stylesheet defining the attribute, or -1 if the attribute is not defined.

The method panics if sym is not symbolic. It also works for ESymbol, EGradient, ETiling, and EEffect.

void Cascade::allCMaps | ( | std::vector< String > & | seq | ) | const

The documentation for this class was generated from the following files:

- ipestyle.h
- ipestyle.cpp