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/* -*- c-file-style: "ruby"; indent-tabs-mode: nil -*- */
/************************************************
rbgdk-pixbuf-loader.c -
$Author: ggc $
$Date: 2006/06/22 19:52:53 $
Copyright (C) 2004 Masao Mutoh
Copyright (C) 2003 Geoff Youngs
************************************************/
#include "rbgdk-pixbuf.h"
#define _SELF(s) GDK_PIXBUF_LOADER(RVAL2GOBJ(s))
/****************************************************/
/* File opening */
/* Image Data in Memory */
static VALUE
initialize_loader(argc, argv, self)
int argc;
VALUE *argv;
VALUE self;
{
GdkPixbufLoader* loader;
GError* error = NULL;
VALUE arg1, is_mime_type;
rb_scan_args(argc, argv, "02", &arg1, &is_mime_type);
if (NIL_P(arg1)) {
loader = gdk_pixbuf_loader_new();
} else {
if (is_mime_type == Qtrue) {
#if RBGDK_PIXBUF_CHECK_VERSION(2,4,0)
loader = gdk_pixbuf_loader_new_with_mime_type(RVAL2CSTR(arg1), &error);
#else
rb_warning("Not supported GTK+-2.0/2.2.");
loader = gdk_pixbuf_loader_new();
#endif
} else {
/* Default behavior */
loader = gdk_pixbuf_loader_new_with_type(RVAL2CSTR(arg1), &error);
}
if(error) RAISE_GERROR(error);
}
G_INITIALIZE(self, loader);
return Qnil;
}
#if RBGDK_PIXBUF_CHECK_VERSION(2,2,0)
static VALUE
loader_get_format(self)
VALUE self;
{
GdkPixbufFormat* format = gdk_pixbuf_loader_get_format(_SELF(self));
return BOXED2RVAL(format, GDK_TYPE_PIXBUF_FORMAT);
}
#endif
static VALUE
loader_write(self, data)
VALUE self;
VALUE data;
{
GError *error = NULL;
gboolean res;
res = gdk_pixbuf_loader_write(_SELF(self), (const guchar*)RVAL2CSTR(data), RSTRING(data)->len, &error);
if(error)
RAISE_GERROR(error);
return res ? Qtrue : Qfalse;
}
static VALUE
last_write(self, data)
VALUE self;
VALUE data;
{
GError *error = NULL;
gboolean res;
res = gdk_pixbuf_loader_write(_SELF(self), (const guchar*)RVAL2CSTR(data), RSTRING(data)->len, &error);
if(error)
{
RAISE_GERROR(error);
return Qnil;
}
res = gdk_pixbuf_loader_close(_SELF(self), &error);
if(error)
{
RAISE_GERROR(error);
return Qnil;
}
return res ? Qtrue : Qfalse;
}
#if RBGDK_PIXBUF_CHECK_VERSION(2,2,0)
static VALUE
loader_set_size(self, width, height)
VALUE self, width, height;
{
gdk_pixbuf_loader_set_size(_SELF(self),
NUM2INT(width), NUM2INT(height));
return self;
}
#endif
static VALUE
loader_close(self)
VALUE self;
{
GError *error = NULL;
gboolean res;
res = gdk_pixbuf_loader_close(_SELF(self), &error);
if(error)
RAISE_GERROR(error);
return res ? Qtrue : Qfalse;
}
/****************************************************/
/* Creating image */
static VALUE
get_pixbuf(self)
VALUE self;
{
return GOBJ2RVAL(gdk_pixbuf_loader_get_pixbuf(_SELF(self)));
}
/* Creating animation */
static VALUE
get_animation(self)
VALUE self;
{
return GOBJ2RVAL(gdk_pixbuf_loader_get_animation(_SELF(self)));
}
void
Init_gdk_pixbuf_loader(VALUE mGdk)
{
VALUE gdkPixbufLoader;
/* initialize it */
gdkPixbufLoader = G_DEF_CLASS(GDK_TYPE_PIXBUF_LOADER, "PixbufLoader", mGdk);
/*
* File Loading, Image Data in Memory
*/
rb_define_method(gdkPixbufLoader, "initialize", initialize_loader, -1);
rb_undef_method(gdkPixbufLoader, "dup");
#if RBGDK_PIXBUF_CHECK_VERSION(2,2,0)
rb_define_method(gdkPixbufLoader, "format", loader_get_format, 0);
#endif
rb_define_method(gdkPixbufLoader, "write", loader_write, 1);
rb_define_method(gdkPixbufLoader, "last_write", last_write, 1);
#if RBGDK_PIXBUF_CHECK_VERSION(2,2,0)
rb_define_method(gdkPixbufLoader, "set_size", loader_set_size, 2);
#endif
rb_define_method(gdkPixbufLoader, "close", loader_close, 0);
rb_define_method(gdkPixbufLoader, "pixbuf", get_pixbuf, 0);
rb_define_method(gdkPixbufLoader, "animation", get_animation, 0);
}
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