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author | Přemysl Janouch <p.janouch@gmail.com> | 2011-01-10 16:49:13 +0100 |
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committer | Přemysl Janouch <p.janouch@gmail.com> | 2011-01-10 17:07:02 +0100 |
commit | 616c49a5053830a5e0a31c71fd6114926e43235f (patch) | |
tree | 8a21f60862a86d5fb2faf5ed7fd70aa7a2ce69d5 /liblogdiag/ld-symbol.c | |
parent | 63b36a2b5b8e04f5d96fa9aa8d212a01c73aad49 (diff) | |
download | logdiag-616c49a5053830a5e0a31c71fd6114926e43235f.tar.gz logdiag-616c49a5053830a5e0a31c71fd6114926e43235f.tar.xz logdiag-616c49a5053830a5e0a31c71fd6114926e43235f.zip |
Make a separate library.
This is required for gtkdoc-scangobj. So far it's much like it's been
before, the main differences are that source files are in two directories
from now on and the build process has two stages.
Diffstat (limited to 'liblogdiag/ld-symbol.c')
-rw-r--r-- | liblogdiag/ld-symbol.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/liblogdiag/ld-symbol.c b/liblogdiag/ld-symbol.c new file mode 100644 index 0000000..fafa9ab --- /dev/null +++ b/liblogdiag/ld-symbol.c @@ -0,0 +1,232 @@ +/* + * ld-symbol.c + * + * This file is a part of logdiag. + * Copyright Přemysl Janouch 2010 - 2011. All rights reserved. + * + * See the file LICENSE for licensing information. + * + */ + +#include "liblogdiag.h" +#include "config.h" + + +/** + * SECTION:ld-symbol + * @short_description: A symbol. + * @see_also: #LdDiagramSymbol, #LdCanvas + * + * #LdSymbol represents a symbol to be drawn onto a #LdCanvas. + * + * All implementations of this abstract class are required to use + * cairo_save() and cairo_restore() when drawing to store the state. + */ + +enum +{ + PROP_0, + PROP_NAME, + PROP_HUMAN_NAME, + PROP_AREA, + PROP_TERMINALS +}; + +static void ld_symbol_get_property (GObject *object, guint property_id, + GValue *value, GParamSpec *pspec); +static void ld_symbol_set_property (GObject *object, guint property_id, + const GValue *value, GParamSpec *pspec); + + +G_DEFINE_ABSTRACT_TYPE (LdSymbol, ld_symbol, G_TYPE_OBJECT); + +static void +ld_symbol_class_init (LdSymbolClass *klass) +{ + GObjectClass *object_class; + GParamSpec *pspec; + + object_class = G_OBJECT_CLASS (klass); + object_class->get_property = ld_symbol_get_property; + object_class->set_property = ld_symbol_set_property; + +/** + * LdSymbol:name: + * + * The name of this symbol. + */ + pspec = g_param_spec_string ("name", "Name", + "The name of this symbol.", + "", G_PARAM_READABLE); + g_object_class_install_property (object_class, PROP_NAME, pspec); + +/** + * LdSymbol:human-name: + * + * The localized human name of this symbol. + */ + pspec = g_param_spec_string ("human-name", "Human name", + "The localized human name of this symbol.", + "", G_PARAM_READABLE); + g_object_class_install_property (object_class, PROP_HUMAN_NAME, pspec); + +/** + * LdSymbol:area: + * + * The area of this symbol. + */ + pspec = g_param_spec_boxed ("area", "Area", + "The area of this symbol.", + LD_TYPE_RECTANGLE, G_PARAM_READABLE); + g_object_class_install_property (object_class, PROP_AREA, pspec); + +/** + * LdSymbol:terminals: + * + * A point array that specifies terminals of this symbol. + */ + pspec = g_param_spec_boxed ("terminals", "Terminals", + "A point array that specifies terminals of this symbol.", + LD_TYPE_POINT_ARRAY, G_PARAM_READABLE); + g_object_class_install_property (object_class, PROP_TERMINALS, pspec); +} + +static void +ld_symbol_init (LdSymbol *self) +{ +} + +static void +ld_symbol_get_property (GObject *object, guint property_id, + GValue *value, GParamSpec *pspec) +{ + LdSymbol *self; + + self = LD_SYMBOL (object); + switch (property_id) + { + case PROP_NAME: + g_value_set_string (value, ld_symbol_get_name (self)); + break; + case PROP_HUMAN_NAME: + g_value_set_string (value, ld_symbol_get_human_name (self)); + break; + case PROP_AREA: + { + LdRectangle area; + + ld_symbol_get_area (self, &area); + g_value_set_boxed (value, &area); + } + break; + case PROP_TERMINALS: + g_value_set_boxed (value, ld_symbol_get_terminals (self)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + } +} + +static void +ld_symbol_set_property (GObject *object, guint property_id, + const GValue *value, GParamSpec *pspec) +{ + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); +} + + +/** + * ld_symbol_get_name: + * @self: An #LdSymbol object. + * + * Return value: The name of the symbol. + */ +const gchar * +ld_symbol_get_name (LdSymbol *self) +{ + LdSymbolClass *klass; + + g_return_val_if_fail (LD_IS_SYMBOL (self), NULL); + + klass = LD_SYMBOL_GET_CLASS (self); + g_return_val_if_fail (klass->get_name != NULL, NULL); + return klass->get_name (self); +} + +/** + * ld_symbol_get_human_name: + * @self: An #LdSymbol object. + * + * Return value: The localised human name of the symbol. + */ +const gchar * +ld_symbol_get_human_name (LdSymbol *self) +{ + LdSymbolClass *klass; + + g_return_val_if_fail (LD_IS_SYMBOL (self), NULL); + + klass = LD_SYMBOL_GET_CLASS (self); + g_return_val_if_fail (klass->get_human_name != NULL, NULL); + return klass->get_human_name (self); +} + +/** + * ld_symbol_get_area: + * @self: An #LdSymbol object. + * @area: Where the area of the symbol will be returned. + * + * Get the area of the symbol. + */ +void +ld_symbol_get_area (LdSymbol *self, LdRectangle *area) +{ + LdSymbolClass *klass; + + g_return_if_fail (LD_IS_SYMBOL (self)); + g_return_if_fail (area != NULL); + + klass = LD_SYMBOL_GET_CLASS (self); + g_return_if_fail (klass->get_area != NULL); + klass->get_area (self, area); +} + +/** + * ld_symbol_get_terminals: + * @self: An #LdSymbol object. + * + * Get a list of symbol terminals. + * + * Return value: An #LdPointArray structure. + */ +const LdPointArray * +ld_symbol_get_terminals (LdSymbol *self) +{ + LdSymbolClass *klass; + + g_return_val_if_fail (LD_IS_SYMBOL (self), NULL); + + klass = LD_SYMBOL_GET_CLASS (self); + g_return_val_if_fail (klass->get_terminals != NULL, NULL); + return klass->get_terminals (self); +} + +/** + * ld_symbol_draw: + * @self: An #LdSymbol object. + * @cr: A cairo surface to be drawn on. + * + * Draw the symbol onto a Cairo surface. + */ +void +ld_symbol_draw (LdSymbol *self, cairo_t *cr) +{ + LdSymbolClass *klass; + + g_return_if_fail (LD_IS_SYMBOL (self)); + g_return_if_fail (cr != NULL); + + klass = LD_SYMBOL_GET_CLASS (self); + g_return_if_fail (klass->draw != NULL); + klass->draw (self, cr); +} |