124 lines
2.4 KiB
C
124 lines
2.4 KiB
C
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/*
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* ld-symbol.c
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*
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* This file is a part of logdiag.
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* Copyright Přemysl Janouch 2010. All rights reserved.
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*
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* See the file LICENSE for licensing information.
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*
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*/
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#include <gtk/gtk.h>
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#include "config.h"
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#include "ld-symbol-library.h"
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#include "ld-symbol-category.h"
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#include "ld-symbol.h"
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/**
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* SECTION:ld-symbol
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* @short_description: A symbol.
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* @see_also: #LdDocument, #LdCanvas
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*
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* #LdSymbol represents a symbol in the #LdDocument that is in turn
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* drawn onto the #LdCanvas.
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*/
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/*
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* LdSymbolPrivate:
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* @library: The parent LdSymbolLibrary.
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* The library contains the real function for rendering.
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*/
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struct _LdSymbolPrivate
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{
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LdSymbolLibrary *library;
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};
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G_DEFINE_TYPE (LdSymbol, ld_symbol, G_TYPE_OBJECT);
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static void
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ld_symbol_finalize (GObject *gobject);
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static void
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ld_symbol_class_init (LdSymbolClass *klass)
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{
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GObjectClass *object_class;
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object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = ld_symbol_finalize;
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g_type_class_add_private (klass, sizeof (LdSymbolPrivate));
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}
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static void
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ld_symbol_init (LdSymbol *self)
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{
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE
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(self, LD_TYPE_SYMBOL_LIBRARY, LdSymbolPrivate);
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}
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static void
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ld_symbol_finalize (GObject *gobject)
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{
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LdSymbol *self;
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self = LD_SYMBOL (gobject);
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g_object_unref (self->priv->library);
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/* Chain up to the parent class. */
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G_OBJECT_CLASS (ld_symbol_parent_class)->finalize (gobject);
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}
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/**
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* ld_symbol_new:
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* @library: A library object.
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* @filename: The file from which the symbol will be loaded.
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*
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* Load a symbol from a file into the library.
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*/
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LdSymbol *ld_symbol_new (LdSymbolLibrary *library,
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const gchar *filename)
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{
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LdSymbol *symbol;
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symbol = g_object_new (LD_TYPE_SYMBOL, NULL);
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/* TODO: Use the filename, Luke. */
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symbol->priv->library = library;
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g_object_ref (library);
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}
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/**
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* ld_symbol_build_identifier:
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* @self: A symbol object.
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*
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* Build an identifier for the symbol.
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* The identifier is in the format "Category/Category/Symbol".
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*/
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char *
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ld_symbol_build_identifier (LdSymbol *self)
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{
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return NULL;
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}
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/**
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* ld_symbol_draw:
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* @self: A symbol object.
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* @surface: A cairo surface to be drawn on.
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* @param: Parameters for the symbol in a table.
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* @x: The X coordinate on the surface.
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* @y: The Y coordinate on the surface.
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* @zoom: Zoom ratio.
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*
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* Draw the symbol onto a Cairo surface.
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*/
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void
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ld_symbol_draw (LdSymbol *self, cairo_t *surface,
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GHashTable *param, gint x, gint y, gdouble zoom)
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{
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return;
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}
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