Conf: Rewritten configuration parser to support multiple contexts (step 1)

[libucw.git] / images / io-main.h

diff --git a/images/io-main.h b/images/io-main.h
index ed4f8537b6f5671dd0cc2daf1b1eece40a64751b..477c5dd23413b006e8c88255a4c13057d80ce122 100644 (file)
--- a/images/io-main.h
+++ b/images/io-main.h
@@ -1,72 +1,36 @@
 #ifndef _IMAGES_IO_MAIN_H
 #define _IMAGES_IO_MAIN_H
 
 #ifndef _IMAGES_IO_MAIN_H
 #define _IMAGES_IO_MAIN_H
 

+static inline int libjpeg_init(struct image_io *io UNUSED) { return 1; }
+static inline void libjpeg_cleanup(struct image_io *io UNUSED) {}

 int libjpeg_read_header(struct image_io *io);
 int libjpeg_read_data(struct image_io *io);
 int libjpeg_write(struct image_io *io);
 
 int libjpeg_read_header(struct image_io *io);
 int libjpeg_read_data(struct image_io *io);
 int libjpeg_write(struct image_io *io);
 

+static inline int libpng_init(struct image_io *io UNUSED) { return 1; }
+static inline void libpng_cleanup(struct image_io *io UNUSED) {}

 int libpng_read_header(struct image_io *io);
 int libpng_read_data(struct image_io *io);
 int libpng_write(struct image_io *io);
 
 int libpng_read_header(struct image_io *io);
 int libpng_read_data(struct image_io *io);
 int libpng_write(struct image_io *io);
 

+static inline int libungif_init(struct image_io *io UNUSED) { return 1; }
+static inline void libungif_cleanup(struct image_io *io UNUSED) {}

 int libungif_read_header(struct image_io *io);
 int libungif_read_data(struct image_io *io);
 
 int libungif_read_header(struct image_io *io);
 int libungif_read_data(struct image_io *io);
 

+int libmagick_init(struct image_io *io);
+void libmagick_cleanup(struct image_io *io);

 int libmagick_read_header(struct image_io *io);
 int libmagick_read_data(struct image_io *io);
 int libmagick_write(struct image_io *io);
 
 struct image_io_read_data_internals {
   struct image *image;
 int libmagick_read_header(struct image_io *io);
 int libmagick_read_data(struct image_io *io);
 int libmagick_write(struct image_io *io);
 
 struct image_io_read_data_internals {
   struct image *image;

-  int need_scale;
-  int need_destroy;
+  int need_transformations;

 };
 
 };
 

-static inline struct image *
-image_io_read_data_prepare(struct image_io_read_data_internals *rdi, struct image_io *io, uns cols, uns rows)
-{
-  rdi->need_scale = io->cols != cols | io->rows != rows;
-  rdi->need_destroy = rdi->need_scale || !io->pool;
-  return rdi->image = rdi->need_scale ?
-    image_new(io->thread, cols, rows, io->flags & IMAGE_CHANNELS_FORMAT, NULL) :
-    image_new(io->thread, io->cols, io->rows, io->flags & IMAGE_IO_IMAGE_FLAGS, io->pool);
-}
-
-static inline int
-image_io_read_data_finish(struct image_io_read_data_internals *rdi, struct image_io *io)
-{
-  if (rdi->need_scale)
-    {
-      struct image *img = image_new(io->thread, io->cols, io->rows, io->flags & IMAGE_IO_IMAGE_FLAGS, io->pool);
-      if (unlikely(!img))
-        {
-         if (rdi->need_destroy)
-           image_destroy(rdi->image);
-         return 0;
-       }
-      if (unlikely(!image_scale(io->thread, img, rdi->image)))
-        {
-          image_destroy(rdi->image);
-         if (!io->pool)
-           image_destroy(img);
-         return 0;
-       }
-      io->image = img;
-      io->image_destroy = !io->pool;
-    }
-  else
-    {
-      io->image = rdi->image;
-      io->image_destroy = rdi->need_destroy;
-    }
-  return 1;
-}
-
-static inline void
-image_io_read_data_break(struct image_io_read_data_internals *rdi, struct image_io *io UNUSED)
-{
-  if (rdi->need_destroy)
-    image_destroy(rdi->image);
-}
+struct image *image_io_read_data_prepare(struct image_io_read_data_internals *rdi, struct image_io *io, uns cols, uns rows, uns flags);
+int image_io_read_data_finish(struct image_io_read_data_internals *rdi, struct image_io *io);
+void image_io_read_data_break(struct image_io_read_data_internals *rdi, struct image_io *io);

 
 #endif
 
 #endif