odin-blend2d

Odin bindings to Blend2D
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imagedecoder.odin (2377B)

      1 // This file is part of Blend2D project <https://blend2d.com>
      2 //
      3 // See blend2d.h or LICENSE.md for license and copyright information
      4 // SPDX-License-Identifier: Zlib
      5 package blend2d
      6 
      7 import "core:c"
      8 
      9 when ODIN_OS == .Windows {
     10 	foreign import lib "blend2d.lib"
     11 } else when ODIN_OS == .Darwin {
     12 	foreign import lib "libblend2d.a"
     13 } else when ODIN_OS == .Linux {
     14 	foreign import lib "libblend2d.a"
     15 }
     16 
     17 
     18 //! Image decoder [C API]
     19 ImageDecoderCore :: struct {
     20 	_d: ObjectDetail,
     21 }
     22 
     23 //! \cond INTERNAL
     24 //! Image decoder [C API Virtual Function Table].
     25 ImageDecoderVirt :: struct {
     26 	base:       ObjectVirtBase,
     27 	restart:    proc "c" (impl: ^ImageDecoderImpl) -> Result,
     28 	read_info:  proc "c" (impl: ^ImageDecoderImpl, info_out: ^ImageInfo, data: ^u8, size: c.size_t) -> Result,
     29 	read_frame: proc "c" (impl: ^ImageDecoderImpl, image_out: ^ImageCore, data: ^u8, size: c.size_t) -> Result,
     30 }
     31 
     32 //! Image decoder [C API Impl].
     33 ImageDecoderImpl :: struct {
     34 	//! \name Members
     35 	//! \{
     36 	
     37 	//! Virtual function table.
     38 	virt: ^ImageDecoderVirt,
     39 
     40 	//! Image codec that created this decoder.
     41 	codec: ImageCodecCore,
     42 
     43 	//! Last faulty result (if failed).
     44 	last_result: Result,
     45 
     46 	//! Handle in case that this decoder wraps a third-party library.
     47 	handle: rawptr,
     48 
     49 	//! Current frame index.
     50 	frame_index: u64,
     51 
     52 	//! Position in source buffer.
     53 	buffer_index: c.size_t,
     54 }
     55 
     56 @(default_calling_convention="c", link_prefix="bl_")
     57 foreign lib {
     58 	//! \endcond
     59 	image_decoder_init        :: proc(self: ^ImageDecoderCore) -> Result ---
     60 	image_decoder_init_move   :: proc(self: ^ImageDecoderCore, other: ^ImageDecoderCore) -> Result ---
     61 	image_decoder_init_weak   :: proc(self: ^ImageDecoderCore, other: ^ImageDecoderCore) -> Result ---
     62 	image_decoder_destroy     :: proc(self: ^ImageDecoderCore) -> Result ---
     63 	image_decoder_reset       :: proc(self: ^ImageDecoderCore) -> Result ---
     64 	image_decoder_assign_move :: proc(self: ^ImageDecoderCore, other: ^ImageDecoderCore) -> Result ---
     65 	image_decoder_assign_weak :: proc(self: ^ImageDecoderCore, other: ^ImageDecoderCore) -> Result ---
     66 	image_decoder_restart     :: proc(self: ^ImageDecoderCore) -> Result ---
     67 	image_decoder_read_info   :: proc(self: ^ImageDecoderCore, info_out: ^ImageInfo, data: ^u8, size: c.size_t) -> Result ---
     68 	image_decoder_read_frame  :: proc(self: ^ImageDecoderCore, image_out: ^ImageCore, data: ^u8, size: c.size_t) -> Result ---
     69 }
     70