X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=images%2Fimages.h;h=dbaa055c5af5e6cdbfd02d7f897e75c34001ee10;hb=62eda8640605c19ecd817e274e75717022349732;hp=46370f65cd15f2f7fec7abd0f3e272cf8b321518;hpb=94742eb40ed0dc1608f8e163fa3f9933f2c2bd18;p=libucw.git diff --git a/images/images.h b/images/images.h index 46370f65..dbaa055c 100644 --- a/images/images.h +++ b/images/images.h @@ -1,5 +1,5 @@ /* - * Image Library -- Main hearer file + * Image Library -- Main header file * * (c) 2006 Pavel Charvat * @@ -18,7 +18,7 @@ struct fastbuf; /* context.c * - contexts with error/message handling - * - imagelib is thread-safe until each context is bounded to a single thread */ + * - imagelib is thread-safe as long as threads work in different contexts */ struct image_context { byte *msg; /* last message */ @@ -52,7 +52,7 @@ extern uns image_max_dim; /* ImageLib.ImageMaxDim */ extern uns image_max_bytes; /* ImageLib.ImageMaxBytes */ /* SSE aligning size, see IMAGE_SSE_ALIGNED */ -#define IMAGE_SSE_ALIGN_SIZE (MAX(16, sizeof(uns))) +#define IMAGE_SSE_ALIGN_SIZE 16 enum image_flag { IMAGE_COLOR_SPACE = 0x7, /* mask for enum color_space */ @@ -70,14 +70,14 @@ enum image_flag { struct image { byte *pixels; /* aligned top left pixel, there are at least sizeof(uns) - unsed bytes after the buffer (possible optimizations) */ - u32 cols; /* number of columns */ - u32 rows; /* number of rows */ - u32 pixel_size; /* size of pixel (1, 2, 3 or 4) */ - u32 row_size; /* scanline size in bytes */ - u32 row_pixels_size; /* scanline size in bytes excluding rows gaps */ - u32 image_size; /* rows * row_size */ - u32 flags; /* enum image_flag */ + unused bytes after the buffer (possible optimizations) */ + uns cols; /* number of columns */ + uns rows; /* number of rows */ + uns pixel_size; /* size of pixel in bytes (1, 2, 3 or 4) */ + uns row_size; /* scanline size in bytes */ + uns row_pixels_size; /* scanline size in bytes excluding rows gaps */ + uns image_size; /* rows * row_size */ + uns flags; /* enum image_flag */ }; struct image *image_new(struct image_context *ctx, uns cols, uns rows, uns flags, struct mempool *pool); @@ -105,7 +105,7 @@ struct color { /* scale.c */ int image_scale(struct image_context *ctx, struct image *dest, struct image *src); -void image_dimensions_fit_to_box(u32 *cols, u32 *rows, u32 max_cols, u32 max_rows, uns upsample); +void image_dimensions_fit_to_box(uns *cols, uns *rows, uns max_cols, uns max_rows, uns upsample); /* alpha.c */ @@ -132,16 +132,14 @@ struct image_io { enum image_format format; /* [R W] - file format (IMAGE_FORMAT_x) */ struct fastbuf *fastbuf; /* [R W] - source/destination stream */ struct mempool *pool; /* [ I ] - parameter to image_new */ - u32 cols; /* [ HI ] - number of columns, parameter to image_new */ - u32 rows; /* [ HI ] - number of rows, parameter to image_new */ - u32 flags; /* [ HI ] - see enum image_io_flags */ - u32 jpeg_quality; /* [ W] - JPEG compression quality (1..100) */ - u32 number_of_colors; /* [ H ] - number of image colors */ + uns cols; /* [ HI ] - number of columns, parameter to image_new */ + uns rows; /* [ HI ] - number of rows, parameter to image_new */ + uns flags; /* [ HI ] - see enum image_io_flags */ + uns jpeg_quality; /* [ W] - JPEG compression quality (1..100) */ + uns number_of_colors; /* [ H ] - number of image colors */ struct color background_color; /* [ HI ] - background color, zero if undefined */ -#ifdef CONFIG_IMAGES_EXIF - u32 exif_size; /* [ H W] - EXIF size in bytes (zero if not present) */ + uns exif_size; /* [ H W] - EXIF size in bytes (zero if not present) */ byte *exif_data; /* [ H W] - EXIF data */ -#endif /* internals */ struct image_context *context; @@ -155,9 +153,7 @@ enum image_io_flags { IMAGE_IO_NEED_DESTROY = 0x10000, /* [ O ] - enables automatic call of image_destroy */ IMAGE_IO_HAS_PALETTE = 0x20000, /* [ H ] - true for image with indexed colors */ IMAGE_IO_USE_BACKGROUND = 0x40000, /* [ I ] - merge transparent pixels with background_color */ -#ifdef CONFIG_IMAGES_EXIF IMAGE_IO_WANT_EXIF = 0x80000, /* [R ] - read EXIF data if present */ -#endif }; int image_io_init(struct image_context *ctx, struct image_io *io);