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[trunk] WIP: manage output image with area correponding to the set decoded area

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This commit is contained in:
Mickael Savinaud
2011-10-21 16:38:08 +00:00
parent 028088f5f0
commit 2808de6084
11 changed files with 501 additions and 210 deletions
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16
libopenjpeg/j2k.h
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@@ -634,6 +634,13 @@ typedef struct opj_j2k_dec
OPJ_UINT32 m_start_tile_y;
OPJ_UINT32 m_end_tile_x;
OPJ_UINT32 m_end_tile_y;
/**
* Decoded area set by the user
*/
OPJ_UINT32 m_DA_x0;
OPJ_UINT32 m_DA_y0;
OPJ_UINT32 m_DA_x1;
OPJ_UINT32 m_DA_y1;
/**
* Indicate that the current tile-part is assume as the last tile part of the codestream.
* It is useful in the case of PSot is equal to zero. The sot length will be compute in the
@@ -765,9 +772,11 @@ typedef struct opj_j2k_v2
}
m_specific_param;
/** pointer to the encoded / decoded image */
//opj_image_t *m_image;
opj_image_t* m_image;
/** pointer to the internal/private encoded / decoded image */
opj_image_t* m_private_image;
/* pointer to the output image (decoded)*/
opj_image_t* m_output_image;
/** Coding parameters */
opj_cp_v2_t m_cp;
@@ -966,6 +975,7 @@ opj_bool j2k_read_tile_header (
* @return true if the area could be set.
*/
opj_bool j2k_set_decode_area( opj_j2k_v2_t *p_j2k,
opj_image_t* p_image,
OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
struct opj_event_mgr * p_manager );