gcp::Text Class Reference
#include <text.h>
List of all members.
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Public Member Functions |
| Text () |
| Text (double x, double y) |
virtual | ~Text () |
void | GetCoords (double *x, double *y) |
void | SetCoords (double x, double y) |
xmlNodePtr | Save (xmlDocPtr xml) const |
xmlNodePtr | SaveSelection (xmlDocPtr xml) const |
bool | Load (xmlNodePtr node) |
bool | LoadSelection (xmlNodePtr node, unsigned pos) |
bool | LoadNode (xmlNodePtr node, unsigned &pos, int cur_size=0) |
void | AddItem () |
void | UpdateItem () |
void | SetSelected (int state) |
bool | OnChanged (bool save) |
void | Transform2D (gcu::Matrix2D &m, double x, double y) |
void | GetSize (double &x, double &y) |
double | GetYAlign () |
void | SetText (char const *text) |
bool | SetProperty (unsigned property, char const *value) |
void | InterlineChanged (double interline) |
void | JustificationChanged (GtkJustification justification) |
std::string | Name () |
void | SetAnchor (gccv::Anchor val) |
gccv::Anchor | GetAnchor (void) const |
Detailed Description
The text objects in GChemPaint, excluding atomic symbols. Using this class to represent chemical objects looses the chemical significance.
Definition at line 41 of file gcp/text.h.
Constructor & Destructor Documentation
The default constructor for an empty and unpositioned text.
gcp::Text::Text |
( |
double |
x, |
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double |
y | |
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) |
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- Parameters:
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| x | the x coordinate. |
| y | the y coordinate. |
Constructs a new empty text positioned according to the given coordiantes
virtual gcp::Text::~Text |
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) |
[virtual] |
Member Function Documentation
void gcp::Text::AddItem |
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) |
[virtual] |
Used to add a representation of the text in the view.
Reimplemented from gccv::ItemClient.
gcp::Text::GetAnchor |
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void |
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) |
const [inline] |
void gcp::Text::GetCoords |
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double * |
x, |
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double * |
y | |
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) |
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- Parameters:
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| x | a pointer to the double value which will receive the x coordinate of the text. |
| y | a pointer to the double value which will receive the y coordinate of the text. |
Retrieves the coordinates of this text.
void gcp::Text::GetSize |
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double & |
x, |
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double & |
y | |
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) |
| | [inline] |
double gcp::Text::GetYAlign |
( |
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) |
[virtual] |
- Returns:
- the y coordinate at half height of a carbon atom symbol if any was present at default size so that all texts and chemicalk symbols will have the same base line when aligned.
Reimplemented from gcu::Object.
void gcp::Text::InterlineChanged |
( |
double |
interline |
) |
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- Parameters:
-
Sets the
Text interline spacing expressed as points.
void gcp::Text::JustificationChanged |
( |
GtkJustification |
justification |
) |
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- Parameters:
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| justification | a GtkJustification. |
Sets the justification for the
Text. Only meaningful for multiline text.
bool gcp::Text::Load |
( |
xmlNodePtr |
node |
) |
[virtual] |
- Parameters:
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| node | the xml node representing the text. |
Loads the text in memory.
Reimplemented from gcp::TextObject.
bool gcp::Text::LoadNode |
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xmlNodePtr |
node, |
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unsigned & |
pos, |
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int |
cur_size = 0 | |
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) |
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- Parameters:
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| node | the xml node representing a portion of the text. |
| pos | where to insert the new text. |
| cur_size | the current size in bytes. |
Loads a portion of a text with a unique set of attributes.
pos and
cur_size are updated.
bool gcp::Text::LoadSelection |
( |
xmlNodePtr |
node, |
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unsigned |
pos | |
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) |
| | |
- Parameters:
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| node | the xml node representing the text to insert. |
| pos | where to insert the new text. |
Inserts a text inside an existing instance during a paste operation.
std::string gcp::Text::Name |
( |
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) |
[virtual] |
- Returns:
- the localized object generic name.
Reimplemented from gcu::Object.
bool gcp::Text::OnChanged |
( |
bool |
save |
) |
[virtual] |
- Parameters:
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| save | whether the text should be saved for undo/redo operations. |
Called after any change in the text.
Implements gcp::TextObject.
xmlNodePtr gcp::Text::Save |
( |
xmlDocPtr |
xml |
) |
const [virtual] |
- Parameters:
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| xml | the xmlDoc used to save the document. |
- Returns:
- a pointer to the xmlNode representing this text or NULL if an error occured.
Reimplemented from gcu::Object.
xmlNodePtr gcp::Text::SaveSelection |
( |
xmlDocPtr |
xml |
) |
const |
- Parameters:
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| xml | the xmlDoc used for clipboard operations. |
Saves the currently selected text. This method is used by the framework when editing the textual object.
- Returns:
- the xmlNode containing the serialized selection.
fn GetRefAnchor()
- Returns:
- the gccv::Anchor used for the text as a reference.
- Parameters:
-
Sets the
gccv::Anchor used for this text. Default is GTK_ANCHOR_W. The vertical alignment being based on the base line with an offset equal to the half height of a carbon atom symbol using the current document theme.
Definition at line 202 of file gcp/text.h.
void gcp::Text::SetCoords |
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double |
x, |
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double |
y | |
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) |
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- Parameters:
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| x | the new x coordinate of the text. |
| y | the new y coordinate of the text. |
Changes the position of this text.
bool gcp::Text::SetProperty |
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unsigned |
property, |
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char const * |
value | |
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) |
| | [virtual] |
- Parameters:
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| property | the property id as defined in objprops.h |
| value | the property value as a string |
Used when loading to set properties for the fragment. This method supports GCU_PROP_POS2D, GCU_PROP_TEXT_MARKUP, GCU_PROP_TEXT_TEXT, GCU_PROP_TEXT_ALIGNMENT and GCU_PROP_TEXT_JUSTIFICATION.
- Returns:
- true if the property could be set, or if the property is not relevant, false otherwise.
Reimplemented from gcu::Object.
void gcp::Text::SetSelected |
( |
int |
state |
) |
[virtual] |
void gcp::Text::SetText |
( |
char const * |
text |
) |
[inline] |
- Parameters:
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| text | the text to display. |
Sets the text for this instance. The text will be displayed using the default font settings.
Definition at line 160 of file gcp/text.h.
References gcp::TextObject::m_buf.
void gcp::Text::Transform2D |
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gcu::Matrix2D & |
m, |
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double |
x, |
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double |
y | |
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) |
| | [virtual] |
- Parameters:
-
| m | the Matrix2D of the transformation. |
| x | the x component of the center of the transformation. |
| y | the y component of the center of the transformation. |
Used to move and/or transform a text object.
Text rotation is not currently supported. The text which just be moved after transformation of its coordinates.
Reimplemented from gcu::Object.
void gcp::Text::UpdateItem |
( |
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) |
[virtual] |
Used to update the representation of the text in the view.
Reimplemented from gccv::ItemClient.
The documentation for this class was generated from the following file: