screenshot-osx.c 3.8 KB
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/* GIMP - The GNU Image Manipulation Program
 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 *
 * Screenshot plug-in
 * Copyright 1998-2007 Sven Neumann <sven@gimp.org>
 * Copyright 2003      Henrik Brix Andersen <brix@gimp.org>
 * Copyright 2012      Simone Karin Lehmann - OS X patches
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "config.h"

#ifdef PLATFORM_OSX

#include <stdlib.h> /* for system() on OSX */
#include <string.h>

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#include <glib.h>
#include <glib/gstdio.h> /* g_unlink() */

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#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>

#include "screenshot.h"
#include "screenshot-osx.h"


/*
 * Mac OS X uses a rootless X server. This won't let us use
 * gdk_pixbuf_get_from_drawable() and similar function on the root
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 * window to get the entire screen contents. With a native OS X build
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 * we have to do this without X as well.
 *
 * Since Mac OS X 10.2 a system utility for screencapturing is
 * included. We can safely use this, since it's available on every OS
 * X version GIMP is running on.
 *
 * The main drawbacks are that it's not possible to shoot windows or
 * regions in scripts in noninteractive mode, and that windows always
 * include decorations, since decorations are different between X11
 * windows and native OS X app windows. But we can use this switch
 * to capture the shadow of a window, which is indeed very Mac-ish.
 *
 * This routines works well with X11 and as a navtive build
 */

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gboolean
screenshot_osx_available (void)
{
  return TRUE;
}

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ScreenshotCapabilities
screenshot_osx_get_capabilities (void)
{
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  return (SCREENSHOT_CAN_SHOOT_DECORATIONS |
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          SCREENSHOT_CAN_SHOOT_POINTER);
}

GimpPDBStatusType
screenshot_osx_shoot (ScreenshotValues *shootvals,
                      GdkScreen        *screen,
                      gint32           *image_ID)
{
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  const gchar *mode    = " ";
  const gchar *cursor  = " ";
  gchar       *delay   = NULL;
  gchar       *filename;
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  gchar       *quoted;
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  gchar       *command = NULL;
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  switch (shootvals->shoot_type)
    {
    case SHOOT_REGION:
      mode = "-is";
      break;

    case SHOOT_WINDOW:
      if (shootvals->decorate)
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        mode = "-iwo";
      else
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        mode = "-iw";
      break;

    case SHOOT_ROOT:
      mode = " ";
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      if (shootvals->show_cursor)
        cursor = "-C";
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      break;

    default:
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      g_return_val_if_reached (GIMP_PDB_CALLING_ERROR);
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      break;
    }

  delay = g_strdup_printf ("-T %i", shootvals->select_delay);


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  filename = gimp_temp_name ("png");
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  quoted   = g_shell_quote (filename);
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  command = g_strjoin (" ",
                       "/usr/sbin/screencapture",
                       mode,
                       cursor,
                       delay,
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                       quoted,
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                       NULL);

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  g_free (quoted);
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  g_free (delay);

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  if (system ((const char *) command) == EXIT_SUCCESS)
    {
      *image_ID = gimp_file_load (GIMP_RUN_NONINTERACTIVE,
                                  filename, filename);
      gimp_image_set_filename (*image_ID, "screenshot.png");

      g_unlink (filename);
      g_free (filename);
      g_free (command);

      return GIMP_PDB_SUCCESS;
   }

  g_free (command);
  g_free (filename);
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  return GIMP_PDB_EXECUTION_ERROR;
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}

#endif /* PLATFORM_OSX */