path: root/libs/gtkmm2/gdk/gdkmm/pixbuf.cc

// Generated by gtkmmproc -- DO NOT MODIFY!

#include <gdkmm/pixbuf.h>
#include <gdkmm/private/pixbuf_p.h>

#include <gdk-pixbuf/gdk-pixbuf-enum-types.h>
// -*- c++ -*-
/* $Id$ */

/* Copyright 1998-2002 The gtkmm Development Team
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <gdk/gdkcolor.h>
#include <gdk/gdkpixbuf.h>
#include <gdk-pixbuf/gdk-pixbuf.h>


namespace
{

void pixbuf_destroy_data_callback(guint8* pixels, void* user_data)
{
  Gdk::Pixbuf::SlotDestroyData *const slot = static_cast<Gdk::Pixbuf::SlotDestroyData*>(user_data);
  g_return_if_fail(slot != 0);

  try
  {
    (*slot)(pixels); // invoke callback
  }
  catch(...)
  {
    Glib::exception_handlers_invoke();
  }

  delete slot;
}

} // anonymous namespace


namespace Gdk
{

Pixbuf::Pixbuf(const Glib::RefPtr<Image>& src,
               const Glib::RefPtr<Colormap>& cmap,
               int src_x, int src_y,
               int dest_x, int dest_y,
               int width, int height)
:
  Object((GObject*) gdk_pixbuf_get_from_image(
      0, src->gobj(), cmap->gobj(), src_x, src_y, dest_x, dest_y, width, height))
{}

Pixbuf::Pixbuf(const Glib::RefPtr<Drawable>& src,
               const Glib::RefPtr<Colormap>& cmap,
               int src_x, int src_y,
               int dest_x, int dest_y,
               int width, int height)
:
  Object((GObject*) gdk_pixbuf_get_from_drawable(
      0, src->gobj(), cmap->gobj(), src_x, src_y, dest_x, dest_y, width, height))
{}

Glib::RefPtr<Pixbuf> Pixbuf::create_from_file(const std::string& filename)
{
  GError* error = 0;
  GdkPixbuf *const pixbuf = gdk_pixbuf_new_from_file(filename.c_str(), &error);

  if(error)
    Glib::Error::throw_exception(error);

  return Glib::wrap(pixbuf);
}

Glib::RefPtr<Pixbuf> Pixbuf::create_from_file(const std::string& filename, int width, int size, bool preserve_aspect_ratio)
{
  GError* error = 0;
  GdkPixbuf *const pixbuf = gdk_pixbuf_new_from_file_at_scale(filename.c_str(), width, size, preserve_aspect_ratio, &error);
  //gdk_pixbuf_new_from_file_at_size() just calls gdk_pixbuf_new_from_file_at_scale().

  if(error)
    Glib::Error::throw_exception(error);

  return Glib::wrap(pixbuf);
}

Glib::RefPtr<Pixbuf> Pixbuf::create_from_data(const guint8* data, Colorspace colorspace,
                                              bool has_alpha, int bits_per_sample,
                                              int width, int height, int rowstride)
{
  GdkPixbuf *const pixbuf = gdk_pixbuf_new_from_data(
      data, (GdkColorspace) colorspace, has_alpha, bits_per_sample, width, height, rowstride,
      0, 0);

  return Glib::wrap(pixbuf);
}

Glib::RefPtr<Pixbuf> Pixbuf::create_from_data(const guint8* data, Colorspace colorspace,
                                              bool has_alpha, int bits_per_sample,
                                              int width, int height, int rowstride,
                                              const Pixbuf::SlotDestroyData& destroy_slot)
{
  GdkPixbuf *const pixbuf = gdk_pixbuf_new_from_data(
      data, (GdkColorspace) colorspace, has_alpha, bits_per_sample, width, height, rowstride,
      &pixbuf_destroy_data_callback, new SlotDestroyData(destroy_slot));

  return Glib::wrap(pixbuf);
}

Glib::RefPtr<Pixbuf> Pixbuf::create_from_inline(int data_length, const guint8* data, bool copy_pixels)
{
  GError* error = 0;
  GdkPixbuf *const pixbuf = gdk_pixbuf_new_from_inline(data_length, data, copy_pixels, &error);

  if(error)
    Glib::Error::throw_exception(error);

  return Glib::wrap(pixbuf);
}

void Pixbuf::render_pixmap_and_mask_for_colormap(const Glib::RefPtr<Colormap>& colormap,
                                                 Glib::RefPtr<Pixmap>& pixmap_return,
                                                 Glib::RefPtr<Bitmap>& mask_return,
                                                 int alpha_threshold)
{
  GdkPixmap* pPixmap = 0;
  GdkBitmap* pBitmap = 0;

  gdk_pixbuf_render_pixmap_and_mask_for_colormap(
      gobj(), colormap->gobj(), &pPixmap, &pBitmap, alpha_threshold);

  pixmap_return = Glib::wrap((GdkPixmapObject*) pPixmap);
  mask_return   = Glib::RefPtr<Gdk::Bitmap>::cast_dynamic(Glib::wrap((GdkPixmapObject*) pBitmap));
}

void Pixbuf::render_pixmap_and_mask(Glib::RefPtr<Pixmap>& pixmap_return,
                                    Glib::RefPtr<Bitmap>& mask_return,
                                    int alpha_threshold)
{
  GdkPixmap* pPixmap = 0;
  GdkBitmap* pBitmap = 0;

  gdk_pixbuf_render_pixmap_and_mask(gobj(), &pPixmap, &pBitmap, alpha_threshold);

  pixmap_return = Glib::wrap((GdkPixmapObject*) pPixmap);
  mask_return   = Glib::RefPtr<Gdk::Bitmap>::cast_dynamic(Glib::wrap((GdkPixmapObject*) pBitmap));
}

void Pixbuf::save(const std::string& filename, const Glib::ustring& type)
{
  GError* error = 0;
  gdk_pixbuf_savev(gobj(), filename.c_str(), type.c_str(), 0, 0, &error);

  if(error)
    Glib::Error::throw_exception(error);
}

void Pixbuf::save(const std::string& filename, const Glib::ustring& type,
                  const Glib::StringArrayHandle& option_keys,
                  const Glib::StringArrayHandle& option_values)
{
  GError* error = 0;

  gdk_pixbuf_savev(
      gobj(), filename.c_str(), type.c_str(),
      const_cast<char**>(option_keys.data()), const_cast<char**>(option_values.data()),
      &error);

  if(error)
    Glib::Error::throw_exception(error);
}

void Pixbuf::save_to_buffer(gchar*& buffer, gsize& buffer_size,
                            const Glib::ustring& type,
                            const Glib::StringArrayHandle& option_keys,
                            const Glib::StringArrayHandle& option_values)
{
  GError* error = 0;

  gdk_pixbuf_save_to_bufferv(
      gobj(), &buffer, &buffer_size,
      type.c_str(),
      const_cast<char**>(option_keys.data()), const_cast<char**>(option_values.data()),
      &error);

  if(error)
    Glib::Error::throw_exception(error);
}

Pixbuf::SListHandle_PixbufFormat Pixbuf::get_formats()
{
  //TODO: Check that this ownership is appropriate. murrayc.
  return SListHandle_PixbufFormat(gdk_pixbuf_get_formats(), Glib::OWNERSHIP_DEEP);
}


} // namespace Gdk


namespace
{
} // anonymous namespace

// static
GType Glib::Value<Gdk::Colorspace>::value_type()
{
  return gdk_colorspace_get_type();
}

// static
GType Glib::Value<Gdk::InterpType>::value_type()
{
  return gdk_interp_type_get_type();
}

// static
GType Glib::Value<Gdk::PixbufAlphaMode>::value_type()
{
  return gdk_pixbuf_alpha_mode_get_type();
}

// static
GType Glib::Value<Gdk::PixbufRotation>::value_type()
{
  return gdk_pixbuf_rotation_get_type();
}


Gdk::PixbufError::PixbufError(Gdk::PixbufError::Code error_code, const Glib::ustring& error_message)
:
  Glib::Error (GDK_PIXBUF_ERROR, error_code, error_message)
{}

Gdk::PixbufError::PixbufError(GError* gobject)
:
  Glib::Error (gobject)
{}

Gdk::PixbufError::Code Gdk::PixbufError::code() const
{
  return static_cast<Code>(Glib::Error::code());
}

void Gdk::PixbufError::throw_func(GError* gobject)
{
  throw Gdk::PixbufError(gobject);
}

// static
GType Glib::Value<Gdk::PixbufError::Code>::value_type()
{
  return gdk_pixbuf_error_get_type();
}


namespace Glib
{

Glib::RefPtr<Gdk::Pixbuf> wrap(GdkPixbuf* object, bool take_copy)
{
  return Glib::RefPtr<Gdk::Pixbuf>( dynamic_cast<Gdk::Pixbuf*> (Glib::wrap_auto ((GObject*)(object), take_copy)) );
  //We use dynamic_cast<> in case of multiple inheritance.
}

} /* namespace Glib */


namespace Gdk
{


/* The *_Class implementation: */

const Glib::Class& Pixbuf_Class::init()
{
  if(!gtype_) // create the GType if necessary
  {
    // Glib::Class has to know the class init function to clone custom types.
    class_init_func_ = &Pixbuf_Class::class_init_function;

    // This is actually just optimized away, apparently with no harm.
    // Make sure that the parent type has been created.
    //CppClassParent::CppObjectType::get_type();

    // Create the wrapper type, with the same class/instance size as the base type.
    register_derived_type(gdk_pixbuf_get_type());

    // Add derived versions of interfaces, if the C type implements any interfaces:
  }

  return *this;
}

void Pixbuf_Class::class_init_function(void* g_class, void* class_data)
{
  BaseClassType *const klass = static_cast<BaseClassType*>(g_class);
  CppClassParent::class_init_function(klass, class_data);

}


Glib::ObjectBase* Pixbuf_Class::wrap_new(GObject* object)
{
  return new Pixbuf((GdkPixbuf*)object);
}


/* The implementation: */

GdkPixbuf* Pixbuf::gobj_copy()
{
  reference();
  return gobj();
}

Pixbuf::Pixbuf(const Glib::ConstructParams& construct_params)
:
  Glib::Object(construct_params)
{}

Pixbuf::Pixbuf(GdkPixbuf* castitem)
:
  Glib::Object((GObject*)(castitem))
{}

Pixbuf::~Pixbuf()
{}


Pixbuf::CppClassType Pixbuf::pixbuf_class_; // initialize static member

GType Pixbuf::get_type()
{
  return pixbuf_class_.init().get_type();
}

GType Pixbuf::get_base_type()
{
  return gdk_pixbuf_get_type();
}


Glib::RefPtr<Pixbuf> Pixbuf::create(const Glib::RefPtr<Drawable>& src, const Glib::RefPtr<Colormap>& cmap, int src_x, int src_y, int dest_x, int dest_y, int width, int height)
{
  return Glib::RefPtr<Pixbuf>( new Pixbuf(src, cmap, src_x, src_y, dest_x, dest_y, width, height) );
}
Glib::RefPtr<Pixbuf> Pixbuf::create(const Glib::RefPtr<Image>& src, const Glib::RefPtr<Colormap>& cmap, int src_x, int src_y, int dest_x, int dest_y, int width, int height)
{
  return Glib::RefPtr<Pixbuf>( new Pixbuf(src, cmap, src_x, src_y, dest_x, dest_y, width, height) );
}
Glib::RefPtr<Pixbuf> Pixbuf::copy() const
{
  return Glib::wrap(gdk_pixbuf_copy(const_cast<GdkPixbuf*>(gobj())));
}

Glib::RefPtr<Pixbuf> Pixbuf::create(Colorspace colorspace, bool has_alpha, int bits_per_sample, int width, int height)
{
  return Glib::wrap(gdk_pixbuf_new(((GdkColorspace)(colorspace)), static_cast<int>(has_alpha), bits_per_sample, width, height));
}

Glib::RefPtr<Pixbuf> Pixbuf::create_subpixbuf(const Glib::RefPtr<Pixbuf>& src_pixbuf, int src_x, int src_y, int width, int height)
{
  return Glib::wrap(gdk_pixbuf_new_subpixbuf(Glib::unwrap(src_pixbuf), src_x, src_y, width, height));
}

Glib::RefPtr<Pixbuf> Pixbuf::create_from_xpm_data(const char *const * data)
{
  return Glib::wrap(gdk_pixbuf_new_from_xpm_data(const_cast<const char**>(data)));
}

Colorspace Pixbuf::get_colorspace() const
{
  return ((Colorspace)(gdk_pixbuf_get_colorspace(const_cast<GdkPixbuf*>(gobj()))));
}

int Pixbuf::get_n_channels() const
{
  return gdk_pixbuf_get_n_channels(const_cast<GdkPixbuf*>(gobj()));
}

bool Pixbuf::get_has_alpha() const
{
  return gdk_pixbuf_get_has_alpha(const_cast<GdkPixbuf*>(gobj()));
}

int Pixbuf::get_bits_per_sample() const
{
  return gdk_pixbuf_get_bits_per_sample(const_cast<GdkPixbuf*>(gobj()));
}

guint8* Pixbuf::get_pixels() const
{
  return gdk_pixbuf_get_pixels(const_cast<GdkPixbuf*>(gobj()));
}

int Pixbuf::get_width() const
{
  return gdk_pixbuf_get_width(const_cast<GdkPixbuf*>(gobj()));
}

int Pixbuf::get_height() const
{
  return gdk_pixbuf_get_height(const_cast<GdkPixbuf*>(gobj()));
}

int Pixbuf::get_rowstride() const
{
  return gdk_pixbuf_get_rowstride(const_cast<GdkPixbuf*>(gobj()));
}

void Pixbuf::fill(guint32 pixel)
{
  gdk_pixbuf_fill(gobj(), pixel);
}

Glib::RefPtr<Gdk::Pixbuf> Pixbuf::add_alpha(bool substitute_color, guint8 r, guint8 g, guint8 b) const
{
  return Glib::wrap(gdk_pixbuf_add_alpha(const_cast<GdkPixbuf*>(gobj()), static_cast<int>(substitute_color), r, g, b));
}

void Pixbuf::copy_area(int src_x, int src_y, int width, int height, const Glib::RefPtr<Gdk::Pixbuf>& dest_pixbuf, int dest_x, int dest_y) const
{
  gdk_pixbuf_copy_area(const_cast<GdkPixbuf*>(gobj()), src_x, src_y, width, height, Glib::unwrap(dest_pixbuf), dest_x, dest_y);
}

void Pixbuf::saturate_and_pixelate(const Glib::RefPtr<Gdk::Pixbuf>& dest, float saturation, bool pixelate) const
{
  gdk_pixbuf_saturate_and_pixelate(const_cast<GdkPixbuf*>(gobj()), Glib::unwrap(dest), saturation, static_cast<int>(pixelate));
}

void Pixbuf::scale(const Glib::RefPtr<Gdk::Pixbuf>& dest, int dest_x, int dest_y, int dest_width, int dest_height, double offset_x, double offset_y, double scale_x, double scale_y, InterpType interp_type) const
{
  gdk_pixbuf_scale(const_cast<GdkPixbuf*>(gobj()), Glib::unwrap(dest), dest_x, dest_y, dest_width, dest_height, offset_x, offset_y, scale_x, scale_y, ((GdkInterpType)(interp_type)));
}

void Pixbuf::composite(const Glib::RefPtr<Gdk::Pixbuf>& dest, int dest_x, int dest_y, int dest_width, int dest_height, double offset_x, double offset_y, double scale_x, double scale_y, InterpType interp_type, int overall_alpha) const
{
  gdk_pixbuf_composite(const_cast<GdkPixbuf*>(gobj()), Glib::unwrap(dest), dest_x, dest_y, dest_width, dest_height, offset_x, offset_y, scale_x, scale_y, ((GdkInterpType)(interp_type)), overall_alpha);
}

void Pixbuf::composite_color(const Glib::RefPtr<Gdk::Pixbuf>& dest, int dest_x, int dest_y, int dest_width, int dest_height, double offset_x, double offset_y, double scale_x, double scale_y, InterpType interp_type, int overall_alpha, int check_x, int check_y, int check_size, guint32 color1, guint32 color2) const
{
  gdk_pixbuf_composite_color(const_cast<GdkPixbuf*>(gobj()), Glib::unwrap(dest), dest_x, dest_y, dest_width, dest_height, offset_x, offset_y, scale_x, scale_y, ((GdkInterpType)(interp_type)), overall_alpha, check_x, check_y, check_size, color1, color2);
}

Glib::RefPtr<Gdk::Pixbuf> Pixbuf::scale_simple(int dest_width, int dest_height, InterpType interp_type) const
{
  return Glib::wrap(gdk_pixbuf_scale_simple(const_cast<GdkPixbuf*>(gobj()), dest_width, dest_height, ((GdkInterpType)(interp_type))));
}

Glib::RefPtr<Gdk::Pixbuf> Pixbuf::composite_color_simple(int dest_width, int dest_height, InterpType interp_type, int overall_alpha, int check_size, guint32 color1, guint32 color2) const
{
  return Glib::wrap(gdk_pixbuf_composite_color_simple(const_cast<GdkPixbuf*>(gobj()), dest_width, dest_height, ((GdkInterpType)(interp_type)), overall_alpha, check_size, color1, color2));
}

Glib::RefPtr<Gdk::Pixbuf> Pixbuf::rotate_simple(PixbufRotation angle) const
{
  return Glib::wrap(gdk_pixbuf_rotate_simple(const_cast<GdkPixbuf*>(gobj()), ((GdkPixbufRotation)(angle))));
}

Glib::RefPtr<Gdk::Pixbuf> Pixbuf::flip(bool horizontal) const
{
  return Glib::wrap(gdk_pixbuf_flip(const_cast<GdkPixbuf*>(gobj()), static_cast<int>(horizontal)));
}

void Pixbuf::render_threshold_alpha(const Glib::RefPtr<Gdk::Bitmap>& bitmap, int src_x, int src_y, int dest_x, int dest_y, int width, int height, int alpha_threshold)
{
  gdk_pixbuf_render_threshold_alpha(gobj(), Glib::unwrap(bitmap), src_x, src_y, dest_x, dest_y, width, height, alpha_threshold);
}

void Pixbuf::render_to_drawable(const Glib::RefPtr<Drawable>& drawable, const Glib::RefPtr<Gdk::GC>& gc, int src_x, int src_y, int dest_x, int dest_y, int width, int height, RgbDither dither, int x_dither, int y_dither)
{
  gdk_pixbuf_render_to_drawable(gobj(), Glib::unwrap(drawable), Glib::unwrap(gc), src_x, src_y, dest_x, dest_y, width, height, ((GdkRgbDither)(dither)), x_dither, y_dither);
}

void Pixbuf::render_to_drawable_alpha(const Glib::RefPtr<Drawable>& drawable, int src_x, int src_y, int dest_x, int dest_y, int width, int height, PixbufAlphaMode alpha_mode, int alpha_threshold, RgbDither dither, int x_dither, int y_dither)
{
  gdk_pixbuf_render_to_drawable_alpha(gobj(), Glib::unwrap(drawable), src_x, src_y, dest_x, dest_y, width, height, ((GdkPixbufAlphaMode)(alpha_mode)), alpha_threshold, ((GdkRgbDither)(dither)), x_dither, y_dither);
}

Glib::ustring Pixbuf::get_option(const Glib::ustring& key) const
{
  return Glib::convert_const_gchar_ptr_to_ustring(gdk_pixbuf_get_option(const_cast<GdkPixbuf*>(gobj()), key.c_str()));
}


} // namespace Gdk