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authorschodet2004-05-02 07:45:50 +0000
committerschodet2004-05-02 07:45:50 +0000
commit7a87ac98381ad83d6276df2fc44c72a830606575 (patch)
tree190e7a3c3dbeebfcfa8fc7a89adb0f97e7e29f4c /2004/i/nono/src
parent79c6701a4dce6289b6af64fdbad2e6aa17ea4e1c (diff)
Ajout du raw loader.
Diffstat (limited to '2004/i/nono/src')
-rw-r--r--2004/i/nono/src/image/Makefile.defs2
-rw-r--r--2004/i/nono/src/image/raw_loader.cc52
-rw-r--r--2004/i/nono/src/image/raw_loader.h54
3 files changed, 107 insertions, 1 deletions
diff --git a/2004/i/nono/src/image/Makefile.defs b/2004/i/nono/src/image/Makefile.defs
index 67d428c..9d35812 100644
--- a/2004/i/nono/src/image/Makefile.defs
+++ b/2004/i/nono/src/image/Makefile.defs
@@ -1,5 +1,5 @@
LIBS += image.a
-image_a_SOURCES = png_writer.cc
+image_a_SOURCES = raw_loader.cc
image.a: ${image_a_SOURCES:%.cc=image.a(%.o)}
diff --git a/2004/i/nono/src/image/raw_loader.cc b/2004/i/nono/src/image/raw_loader.cc
new file mode 100644
index 0000000..1a32327
--- /dev/null
+++ b/2004/i/nono/src/image/raw_loader.cc
@@ -0,0 +1,52 @@
+// raw_loader.cc
+// nono - programme du robot 2004. {{{
+//
+// Copyright (C) 2004 Nicolas Schodet
+//
+// Robot APB Team/Efrei 2004.
+// Web: http://assos.efrei.fr/robot/
+// Email: robot AT efrei DOT fr
+//
+// 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 2 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, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+//
+// }}}
+#include "raw_loader.h"
+#include "utils/errno_exception.h"
+
+#include <fcntl.h>
+#include <unistd.h>
+
+/// Constructeur.
+RawLoader::RawLoader (const std::string &file, int width, int height,
+ ImageLoader::ColorSpace colorSpace)
+ : file_ (file), width_ (width), height_ (height), colorSpace_ (colorSpace)
+{
+}
+
+/// Lit une image, retourne le nombre d'octets lus.
+int
+RawLoader::read (void *buf, int size) const
+{
+ // Ouverture.
+ int fd = open (file_.c_str (), O_RDONLY, 0);
+ if (fd == -1)
+ throw errno_exception (errno);
+ // Lecture.
+ int r = ::read (fd, buf, size);
+ // Fermeture.
+ close (fd);
+ return r;
+}
+
diff --git a/2004/i/nono/src/image/raw_loader.h b/2004/i/nono/src/image/raw_loader.h
new file mode 100644
index 0000000..7e16bd0
--- /dev/null
+++ b/2004/i/nono/src/image/raw_loader.h
@@ -0,0 +1,54 @@
+#ifndef raw_loader_h
+#define raw_loader_h
+// raw_loader.h
+// nono - programme du robot 2004. {{{
+//
+// Copyright (C) 2004 Nicolas Schodet
+//
+// Robot APB Team/Efrei 2004.
+// Web: http://assos.efrei.fr/robot/
+// Email: robot AT efrei DOT fr
+//
+// 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 2 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, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+//
+// }}}
+#include "image/image_loader.h"
+
+#include <string>
+
+/// Classe de chargement d'images crues.
+class RawLoader : public ImageLoader
+{
+ std::string file_;
+ int width_, height_;
+ ImageLoader::ColorSpace colorSpace_;
+ public:
+ /// Constructeur.
+ RawLoader (const std::string &file, int width, int height,
+ ImageLoader::ColorSpace colorSpace);
+ /// Récupère la taille de l'image.
+ void getSize (int &width, int &height) const
+ { width = width_; height = height_; }
+ /// Récupère la taille du tampon.
+ int getBufSize (void) const
+ { return width_ * height_ * (colorSpace_ == ImageLoader::yuv422 ? 2 : 3); }
+ /// Récupère le format de l'image.
+ ImageLoader::ColorSpace getColorSpace (void) const
+ { return colorSpace_; }
+ /// Lit une image, retourne le nombre d'octets lus.
+ int read (void *buf, int size) const;
+};
+
+#endif // raw_loader_h