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Overview
Comment: | turbojpeg_thin: add a thin binding to TurboJPEG library |
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Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
fa8cac9bcbf83e385e2c2dedb41e43f8 |
User & Date: | nat 2019-05-06 20:08:59 |
Context
2019-05-07
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18:52 | lithium-photo_process: new package providing a programmable image processor check-in: faf7b91cdf user: nat tags: trunk | |
2019-05-06
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20:08 | turbojpeg_thin: add a thin binding to TurboJPEG library check-in: fa8cac9bcb user: nat tags: trunk | |
2019-05-05
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16:57 | lithium-dispatchers: add the dynamic multipage constructor check-in: e4a4a7ffda user: nat tags: trunk | |
Changes
Changes to lithium.gpr.
︙ | ︙ | |||
42 43 44 45 46 47 48 | -- e: treat all warnings as errors "-fstack-check", "-g", "-O3"); end Compiler; package Linker is | | > | 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | -- e: treat all warnings as errors "-fstack-check", "-g", "-O3"); end Compiler; package Linker is for Default_Switches ("Ada") use ("-g", "-O3", "-lsqlite3", "-lturbojpeg"); end Linker; package Binder is for Default_Switches ("Ada") use ("-E"); end Binder; package Builder is for Executable ("lithium-main.adb") use "lithium"; end Builder; end Lithium; |
Added src/turbojpeg_thin.ads.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR -- -- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -- -- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -- -- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF -- -- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -- ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ -- TurboJPEG_Thin provides the thinnest binding for TurboJPEG API. -- ------------------------------------------------------------------------------ with Interfaces.C; with Interfaces.C.Pointers; with Interfaces.C.Strings; package TurboJPEG_Thin with Preelaborate is package C renames Interfaces.C; use type C.int; type Sub_Sampling is (SS_444, SS_422, SS_420, SS_Gray, SS_440, SS_411); function MCU_Width (S : in Sub_Sampling) return Integer is (case S is when SS_444 => 8, when SS_422 => 16, when SS_420 => 16, when SS_Gray => 8, when SS_440 => 8, when SS_411 => 32); function MCU_Height (S : in Sub_Sampling) return Integer is (case S is when SS_444 => 8, when SS_422 => 8, when SS_420 => 16, when SS_Gray => 8, when SS_440 => 16, when SS_411 => 8); type Pixel_Format is (RGB, BGR, RGBX, BGRX, XBGR, XRGB, Gray, RGBA, BGRA, ABGR, ARGB, CMYK, Unknown); function Red_Offset (P : in Pixel_Format) return C.ptrdiff_t is (case P is when RGB => 0, when BGR => 2, when RGBX => 0, when BGRX => 2, when XBGR => 3, when XRGB => 1, when RGBA => 0, when BGRA => 2, when ABGR => 3, when ARGB => 1, when Gray | CMYK | Unknown => raise Constraint_Error); function Green_Offset (P : in Pixel_Format) return C.ptrdiff_t is (case P is when RGB => 1, when BGR => 1, when RGBX => 1, when BGRX => 1, when XBGR => 2, when XRGB => 2, when RGBA => 1, when BGRA => 1, when ABGR => 2, when ARGB => 2, when Gray | CMYK | Unknown => raise Constraint_Error); function Blue_Offset (P : in Pixel_Format) return C.ptrdiff_t is (case P is when RGB => 2, when BGR => 0, when RGBX => 2, when BGRX => 0, when XBGR => 1, when XRGB => 3, when RGBA => 2, when BGRA => 0, when ABGR => 1, when ARGB => 3, when Gray | CMYK | Unknown => raise Constraint_Error); function Alpha_Offset (P : in Pixel_Format) return C.ptrdiff_t is (case P is when RGBA => 3, when BGRA => 3, when ABGR => 0, when ARGB => 0, when RGB | BGR | RGBX | BGRX | XBGR | XRGB | Gray | CMYK | Unknown => raise Constraint_Error); function Pixel_Size (P : in Pixel_Format) return C.ptrdiff_t is (case P is when RGB => 3, when BGR => 3, when RGBX => 4, when BGRX => 4, when XBGR => 4, when XRGB => 4, when Gray => 1, when RGBA => 4, when BGRA => 4, when ABGR => 4, when ARGB => 4, when CMYK => 4, when Unknown => raise Constraint_Error); type Color_Space is (RGB, YCbCr, Gray, CYMR, YCCK); type Flag is (Bottom_Up, Fast_Upsample, No_Realloc, Fast_DCT, Accurate_DCT, Stop_On_Warning, Progressive); type Flags is array (Flag) of Boolean; function Value (F : in Flag) return C.int is (case F is when Bottom_Up => 2, when Fast_Upsample => 256, when No_Realloc => 1024, when Fast_DCT => 2048, when Accurate_DCT => 4096, when Stop_On_Warning => 8192, when Progressive => 16384); function Value (F : in Flags) return C.int is ((if F (Bottom_Up) then Value (Bottom_Up) else 0) + (if F (Fast_Upsample) then Value (Fast_Upsample) else 0) + (if F (No_Realloc) then Value (No_Realloc) else 0) + (if F (Fast_DCT) then Value (Fast_DCT) else 0) + (if F (Accurate_DCT) then Value (Accurate_DCT) else 0) + (if F (Stop_On_Warning) then Value (Stop_On_Warning) else 0) + (if F (Progressive) then Value (Progressive) else 0)); type Err is (Warning, Fatal); type Operation is (None, H_Flip, V_Flip, Transpose, Transverse, Rot_90, Rot_180, Rot_270); type Operation_Flag is (Perfect, Trim, Crop, Gray, No_Output, Progressive, Copy_None); type Operation_Flags is array (Operation_Flag) of Boolean; function Op_Value (F : in Operation_Flag) return C.int is (case F is when Perfect => 1, when Trim => 2, when Crop => 4, when Gray => 8, when No_Output => 16, when Progressive => 32, when Copy_None => 64); function Op_Value (F : in Operation_Flags) return C.int is ((if F (Perfect) then Op_Value (Perfect) else 0) + (if F (Trim) then Op_Value (Trim) else 0) + (if F (Crop) then Op_Value (Crop) else 0) + (if F (Gray) then Op_Value (Gray) else 0) + (if F (No_Output) then Op_Value (No_Output) else 0) + (if F (Progressive) then Op_Value (Progressive) else 0) + (if F (Copy_None) then Op_Value (Copy_None) else 0)); type Scaling_Factor is record Num, Denom : C.int; end record with Convention => C; type Scaling_Factor_Array is array (C.unsigned range <>) of aliased Scaling_Factor with Convention => C; package Scaling_Factors is new Interfaces.C.Pointers (Index => C.unsigned, Element => Scaling_Factor, Element_Array => Scaling_Factor_Array, Default_Terminator => (Num => 0, Denom => 0)); type Region is record X, Y, W, H : C.int; end record with Convention => C; -- TODO: tjtransform type Void is null record with Convention => C; type Handle is access all Void with Convention => C, Storage_Size => 0; type Byte_Array is array (C.unsigned_long range <>) of aliased C.unsigned_char with Convention => C; package Bytes is new Interfaces.C.Pointers (Index => C.unsigned_long, Element => C.unsigned_char, Element_Array => Byte_Array, Default_Terminator => 0); type Plane_Label is (Y, Cb, Cr); type Planes_Buffer is array (Plane_Label) of Bytes.Pointer with Convention => C; type Stride_Array is array (Plane_Label) of C.int with Convention => C; -- TODO; TJPAD Success : constant := 0; function Scaled (Dimension : in C.int; Factor : in Scaling_Factor) return C.int is ((Dimension * Factor.Num + Factor.Denom - 1) / Factor.Denom); function Init_Compress return Handle with Import, Convention => C, External_Name => "tjInitCompress"; function Compress (H : in Handle; Src_Buf : in Bytes.Pointer; Width : in C.int; Pitch : in C.int; Height : in C.int; Pixel_Format : in C.int; Jpeg_Buf : in out Bytes.Pointer; Jpeg_Size : in out C.unsigned_long; Jpeg_Subsamp : in C.int; Jpeg_Qual : in C.int; Flags : in C.int) return C.int with Import, Convention => C, External_Name => "tjCompress2"; function Compress_From_YUV (H : in Handle; Src_Buf : in Bytes.Pointer; Width : in C.int; Pad : in C.int; Height : in C.int; Sub_Samp : in C.int; Jpeg_Buf : in out Bytes.Pointer; Jpeg_Size : in out C.unsigned_long; Jpeg_Qual : in C.int; Flags : in C.int) return C.int with Import, Convention => C, External_Name => "tjCompressFromYUV"; function Compress_From_YUV_Planes (H : in Handle; Src_Buf : in Planes_Buffer; Width : in C.int; Strides : in Stride_Array; Height : in C.int; Sub_Samp : in C.int; Jpeg_Buf : in out Bytes.Pointer; Jpeg_Size : in out C.unsigned_long; Jpeg_Qual : in C.int; Flags : in C.int) return C.int with Import, Convention => C, External_Name => "tjCompressFromYUVPlanes"; function Buf_Size (Width : in C.int; Height : in C.int; Sub_Samp : in C.int) return C.unsigned_long with Import, Convention => C, External_Name => "tjBufSize"; function Buf_Size_YUV (Width : in C.int; Pad : in C.int; Height : in C.int; Sub_Samp : in C.int) return C.unsigned_long with Import, Convention => C, External_Name => "tjBufSizeYUV2"; function Plane_Size_YUV (Component_Id : in C.int; Width : in C.int; Stride : in C.int; Height : in C.int; Sub_Samp : in C.int) return C.unsigned_long with Import, Convention => C, External_Name => "tjPlaneSizeYUV"; function Plane_Width (Component_Id : in C.int; Width : in C.int; Sub_Samp : in C.int) return C.int with Import, Convention => C, External_Name => "tjPlaneWidth"; function Plane_Height (Component_Id : in C.int; Height : in C.int; Sub_Samp : in C.int) return C.int with Import, Convention => C, External_Name => "tjPlaneHeight"; function Encode_YUV (H : in Handle; Src_Buf : in Bytes.Pointer; Width : in C.int; Pitch : in C.int; Height : in C.int; Pixel_Format : in C.int; Dest_Buf : in Bytes.Pointer; Pad : in C.int; Sub_Samp : in C.int; Flags : in C.int) return C.int with Import, Convention => C, External_Name => "tjEncodeYUV3"; function Encode_YUV_Planes (H : in Handle; Src_Buf : in Bytes.Pointer; Width : in C.int; Pitch : in C.int; Height : in C.int; Pixel_Format : in C.int; Dest_Buf : in Planes_Buffer; Strides : in Stride_Array; Sub_Samp : in C.int; Flags : in C.int) return C.int with Import, Convention => C, External_Name => "tjEncodeYUVPlanes"; function Init_Decompress return Handle with Import, Convention => C, External_Name => "tjInitDecompress"; function Decompress_Header (H : in Handle; Jpeg_Buf : in Bytes.Pointer; Jpeg_Size : in C.unsigned_long; Width : out C.int; Height : out C.int; Sub_Samp : out C.int; Color_Space : out C.int) return C.int with Import, Convention => C, External_Name => "tjDecompressHeader3"; function Get_Scaling_Factors (Count : out C.int) return Scaling_Factors.Pointer with Import, Convention => C, External_Name => "tjGetScalingFactors"; function Decompress (H : in Handle; Jpeg_Buf : in Bytes.Pointer; Jpeg_Size : in C.unsigned_long; Dest_Buf : in Bytes.Pointer; Width : in C.int; Pitch : in C.int; Height : in C.int; Pixel_Format : in C.int; Flags : in C.int) return C.int with Import, Convention => C, External_Name => "tjDecompress2"; function Decompress_To_YUV (H : in Handle; Jpeg_Buf : in Bytes.Pointer; Jpeg_Size : in C.unsigned_long; Dest_Buf : in Bytes.Pointer; Width : in C.int; Pad : in C.int; Height : in C.int; Flags : in C.int) return C.int with Import, Convention => C, External_Name => "tjDecompressToYUV2"; function Decompress_To_YUV_Planes (H : in Handle; Jpeg_Buf : in Bytes.Pointer; Jpeg_Size : in C.unsigned_long; Dest_Buf : in Planes_Buffer; Width : in C.int; Strides : in Stride_Array; Height : in C.int; Flags : in C.int) return C.int with Import, Convention => C, External_Name => "tjDecompressToYUVPlanes"; function Decode_YUV (H : in Handle; Src_Buf : in Bytes.Pointer; Pad : in C.int; Sub_Samp : in C.int; Dest_Buf : in Bytes.Pointer; Width : in C.int; Pitch : in C.int; Height : in C.int; Pixel_Format : in C.int; Flags : in C.int) return C.int with Import, Convention => C, External_Name => "tjDecodeYUV"; function Decode_YUV_Planes (H : in Handle; Src_Buf : in Planes_Buffer; Strides : in Stride_Array; Sub_Samp : in C.int; Dest_Buf : in Bytes.Pointer; Width : in C.int; Pitch : in C.int; Height : in C.int; Pixel_Format : in C.int; Flags : in C.int) return C.int with Import, Convention => C, External_Name => "tjDecodeYUVPlanes"; function Init_Transform return Handle with Import, Convention => C, External_Name => "tjInitTransform"; -- TODO: tjTransform function Destroy (H : in Handle) return C.int with Import, Convention => C, External_Name => "tjDestroy"; function Alloc (Count : in C.int) return Bytes.Pointer with Import, Convention => C, External_Name => "tjAlloc"; function Load_Image (Filename : in C.char_array; Width : out C.int; Align : in C.int; Height : out C.int; Pixel_Format : out C.int; Flags : in C.int) return Bytes.Pointer with Import, Convention => C, External_Name => "tjLoadImage"; function Save_Image (Filename : in C.char_array; Buffer : in Bytes.Pointer; Width : in C.int; Pitch : in C.int; Height : in C.int; Pixel_Format : in C.int; Flags : in C.int) return Bytes.Pointer with Import, Convention => C, External_Name => "tjSaveImage"; procedure Free (Buffer : in Bytes.Pointer) with Import, Convention => C, External_Name => "tjFree"; function Get_Error_Str (H : in Handle) return C.Strings.chars_ptr with Import, Convention => C, External_Name => "tjGetErrorStr2"; function Get_Error_Code (H : in Handle) return C.int with Import, Convention => C, External_Name => "tjGetErrorCode"; end TurboJPEG_Thin; |