1 files changed, 109 insertions, 0 deletions
diff --git a/src/haikuimage.c b/src/haikuimage.c
new file mode 100644
index 00000000000..138e5b84e6a
--- /dev/null
+++ b/src/haikuimage.c
@@ -0,0 +1,109 @@
+/* Haiku window system support.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs 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.
+
+GNU Emacs 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 GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#include "lisp.h"
+#include "dispextern.h"
+#include "haikuterm.h"
+#include "coding.h"
+
+#include "haiku_support.h"
+
+bool
+haiku_can_use_native_image_api (Lisp_Object type)
+{
+  const char *mime_type = NULL;
+
+  if (EQ (type, Qnative_image))
+    return 1;
+
+#ifdef HAVE_RSVG
+  if (EQ (type, Qsvg))
+    return 0;
+#endif
+
+  if (EQ (type, Qjpeg))
+    mime_type = "image/jpeg";
+  else if (EQ (type, Qpng))
+    mime_type = "image/png";
+  else if (EQ (type, Qgif))
+    mime_type = "image/gif";
+  else if (EQ (type, Qtiff))
+    mime_type = "image/tiff";
+  else if (EQ (type, Qbmp))
+    mime_type = "image/bmp";
+  else if (EQ (type, Qsvg))
+    mime_type = "image/svg";
+  else if (EQ (type, Qpbm))
+    mime_type = "image/pbm";
+
+  if (!mime_type)
+    return 0;
+
+  return be_can_translate_type_to_bitmap_p (mime_type);
+}
+
+extern int
+haiku_load_image (struct frame *f, struct image *img,
+		  Lisp_Object spec_file, Lisp_Object spec_data)
+{
+  eassert (valid_image_p (img->spec));
+
+  void *pixmap = NULL;
+
+  if (STRINGP (spec_file))
+    {
+      pixmap = be_translate_bitmap_from_file_name
+	(SSDATA (ENCODE_UTF_8 (spec_file)));
+    }
+  else if (STRINGP (spec_data))
+    {
+      pixmap = be_translate_bitmap_from_memory
+	(SSDATA (spec_data), SBYTES (spec_data));
+    }
+
+  void *conv = NULL;
+
+  if (!pixmap || !BBitmap_convert (pixmap, &conv))
+    {
+      add_to_log ("Unable to load image %s", img->spec);
+      return 0;
+    }
+
+  if (conv)
+    {
+      BBitmap_free (pixmap);
+      pixmap = conv;
+    }
+
+  int left, top, right, bottom, stride, mono_p;
+  BBitmap_dimensions (pixmap, &left, &top, &right, &bottom, &stride, &mono_p);
+
+  img->width = (1 + right - left);
+  img->height = (1 + bottom - top);
+  img->pixmap = pixmap;
+
+  return 1;
+}
+
+void
+syms_of_haikuimage (void)
+{
+  DEFSYM (Qbmp, "bmp");
+}