diff options
Diffstat (limited to 'third_party/libopenjpeg20/image.c')
-rw-r--r-- | third_party/libopenjpeg20/image.c | 396 |
1 files changed, 209 insertions, 187 deletions
diff --git a/third_party/libopenjpeg20/image.c b/third_party/libopenjpeg20/image.c index 23462f05ff..e29172b2b5 100644 --- a/third_party/libopenjpeg20/image.c +++ b/third_party/libopenjpeg20/image.c @@ -1,6 +1,6 @@ /* - * The copyright in this software is being made available under the 2-clauses - * BSD License, included below. This software may be subject to other third + * The copyright in this software is being made available under the 2-clauses + * BSD License, included below. This software may be subject to other third * party and contributor rights, including patent rights, and no such rights * are granted under this license. * @@ -31,109 +31,126 @@ #include "opj_includes.h" -opj_image_t* opj_image_create0(void) { - opj_image_t *image = (opj_image_t*)opj_calloc(1, sizeof(opj_image_t)); - return image; +opj_image_t* opj_image_create0(void) +{ + opj_image_t *image = (opj_image_t*)opj_calloc(1, sizeof(opj_image_t)); + return image; } -opj_image_t* OPJ_CALLCONV opj_image_create(OPJ_UINT32 numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) { - OPJ_UINT32 compno; - opj_image_t *image = NULL; - - image = (opj_image_t*) opj_calloc(1, sizeof(opj_image_t)); - if(image) { - image->color_space = clrspc; - image->numcomps = numcmpts; - /* allocate memory for the per-component information */ - image->comps = (opj_image_comp_t*)opj_calloc(1,image->numcomps * sizeof(opj_image_comp_t)); - if(!image->comps) { - /* TODO replace with event manager, breaks API */ - /* fprintf(stderr,"Unable to allocate memory for image.\n"); */ - opj_image_destroy(image); - return NULL; - } - /* create the individual image components */ - for(compno = 0; compno < numcmpts; compno++) { - opj_image_comp_t *comp = &image->comps[compno]; - comp->dx = cmptparms[compno].dx; - comp->dy = cmptparms[compno].dy; - comp->w = cmptparms[compno].w; - comp->h = cmptparms[compno].h; - comp->x0 = cmptparms[compno].x0; - comp->y0 = cmptparms[compno].y0; - comp->prec = cmptparms[compno].prec; - comp->bpp = cmptparms[compno].bpp; - comp->sgnd = cmptparms[compno].sgnd; - comp->data = (OPJ_INT32*) opj_calloc(comp->w * comp->h, sizeof(OPJ_INT32)); - if(!comp->data) { - /* TODO replace with event manager, breaks API */ - /* fprintf(stderr,"Unable to allocate memory for image.\n"); */ - opj_image_destroy(image); - return NULL; - } - } - } - - return image; +opj_image_t* OPJ_CALLCONV opj_image_create(OPJ_UINT32 numcmpts, + opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) +{ + OPJ_UINT32 compno; + opj_image_t *image = NULL; + + image = (opj_image_t*) opj_calloc(1, sizeof(opj_image_t)); + if (image) { + image->color_space = clrspc; + image->numcomps = numcmpts; + /* allocate memory for the per-component information */ + image->comps = (opj_image_comp_t*)opj_calloc(1, + image->numcomps * sizeof(opj_image_comp_t)); + if (!image->comps) { + /* TODO replace with event manager, breaks API */ + /* fprintf(stderr,"Unable to allocate memory for image.\n"); */ + opj_image_destroy(image); + return NULL; + } + /* create the individual image components */ + for (compno = 0; compno < numcmpts; compno++) { + opj_image_comp_t *comp = &image->comps[compno]; + comp->dx = cmptparms[compno].dx; + comp->dy = cmptparms[compno].dy; + comp->w = cmptparms[compno].w; + comp->h = cmptparms[compno].h; + comp->x0 = cmptparms[compno].x0; + comp->y0 = cmptparms[compno].y0; + comp->prec = cmptparms[compno].prec; + comp->bpp = cmptparms[compno].bpp; + comp->sgnd = cmptparms[compno].sgnd; + if (comp->h != 0 && + (OPJ_SIZE_T)comp->w > SIZE_MAX / comp->h / sizeof(OPJ_INT32)) { + // TODO event manager + opj_image_destroy(image); + return NULL; + } + comp->data = (OPJ_INT32*) opj_image_data_alloc( + (size_t)comp->w * comp->h * sizeof(OPJ_INT32)); + if (!comp->data) { + /* TODO replace with event manager, breaks API */ + /* fprintf(stderr,"Unable to allocate memory for image.\n"); */ + opj_image_destroy(image); + return NULL; + } + memset(comp->data, 0, (size_t)comp->w * comp->h * sizeof(OPJ_INT32)); + } + } + + return image; } -void OPJ_CALLCONV opj_image_destroy(opj_image_t *image) { - if(image) { - if(image->comps) { - OPJ_UINT32 compno; - - /* image components */ - for(compno = 0; compno < image->numcomps; compno++) { - opj_image_comp_t *image_comp = &(image->comps[compno]); - if(image_comp->data) { - opj_free(image_comp->data); - } - } - opj_free(image->comps); - } - - if(image->icc_profile_buf) { - opj_free(image->icc_profile_buf); - } - - opj_free(image); - } +void OPJ_CALLCONV opj_image_destroy(opj_image_t *image) +{ + if (image) { + if (image->comps) { + OPJ_UINT32 compno; + + /* image components */ + for (compno = 0; compno < image->numcomps; compno++) { + opj_image_comp_t *image_comp = &(image->comps[compno]); + if (image_comp->data) { + opj_image_data_free(image_comp->data); + } + } + opj_free(image->comps); + } + + if (image->icc_profile_buf) { + opj_free(image->icc_profile_buf); + } + + opj_free(image); + } } /** * Updates the components characteristics of the image from the coding parameters. * - * @param p_image_header the image header to update. - * @param p_cp the coding parameters from which to update the image. + * @param p_image_header the image header to update. + * @param p_cp the coding parameters from which to update the image. */ -void opj_image_comp_header_update(opj_image_t * p_image_header, const struct opj_cp * p_cp) +void opj_image_comp_header_update(opj_image_t * p_image_header, + const struct opj_cp * p_cp) { - OPJ_UINT32 i, l_width, l_height; - OPJ_UINT32 l_x0, l_y0, l_x1, l_y1; - OPJ_UINT32 l_comp_x0, l_comp_y0, l_comp_x1, l_comp_y1; - opj_image_comp_t* l_img_comp = NULL; - - l_x0 = opj_uint_max(p_cp->tx0 , p_image_header->x0); - l_y0 = opj_uint_max(p_cp->ty0 , p_image_header->y0); - l_x1 = p_cp->tx0 + (p_cp->tw - 1U) * p_cp->tdx; /* validity of p_cp members used here checked in opj_j2k_read_siz. Can't overflow. */ - l_y1 = p_cp->ty0 + (p_cp->th - 1U) * p_cp->tdy; /* can't overflow */ - l_x1 = opj_uint_min(opj_uint_adds(l_x1, p_cp->tdx), p_image_header->x1); /* use add saturated to prevent overflow */ - l_y1 = opj_uint_min(opj_uint_adds(l_y1, p_cp->tdy), p_image_header->y1); /* use add saturated to prevent overflow */ - - l_img_comp = p_image_header->comps; - for (i = 0; i < p_image_header->numcomps; ++i) { - l_comp_x0 = opj_uint_ceildiv(l_x0, l_img_comp->dx); - l_comp_y0 = opj_uint_ceildiv(l_y0, l_img_comp->dy); - l_comp_x1 = opj_uint_ceildiv(l_x1, l_img_comp->dx); - l_comp_y1 = opj_uint_ceildiv(l_y1, l_img_comp->dy); - l_width = opj_uint_ceildivpow2(l_comp_x1 - l_comp_x0, l_img_comp->factor); - l_height = opj_uint_ceildivpow2(l_comp_y1 - l_comp_y0, l_img_comp->factor); - l_img_comp->w = l_width; - l_img_comp->h = l_height; - l_img_comp->x0 = l_comp_x0; - l_img_comp->y0 = l_comp_y0; - ++l_img_comp; - } + OPJ_UINT32 i, l_width, l_height; + OPJ_UINT32 l_x0, l_y0, l_x1, l_y1; + OPJ_UINT32 l_comp_x0, l_comp_y0, l_comp_x1, l_comp_y1; + opj_image_comp_t* l_img_comp = NULL; + + l_x0 = opj_uint_max(p_cp->tx0, p_image_header->x0); + l_y0 = opj_uint_max(p_cp->ty0, p_image_header->y0); + l_x1 = p_cp->tx0 + (p_cp->tw - 1U) * + p_cp->tdx; /* validity of p_cp members used here checked in opj_j2k_read_siz. Can't overflow. */ + l_y1 = p_cp->ty0 + (p_cp->th - 1U) * p_cp->tdy; /* can't overflow */ + l_x1 = opj_uint_min(opj_uint_adds(l_x1, p_cp->tdx), + p_image_header->x1); /* use add saturated to prevent overflow */ + l_y1 = opj_uint_min(opj_uint_adds(l_y1, p_cp->tdy), + p_image_header->y1); /* use add saturated to prevent overflow */ + + l_img_comp = p_image_header->comps; + for (i = 0; i < p_image_header->numcomps; ++i) { + l_comp_x0 = opj_uint_ceildiv(l_x0, l_img_comp->dx); + l_comp_y0 = opj_uint_ceildiv(l_y0, l_img_comp->dy); + l_comp_x1 = opj_uint_ceildiv(l_x1, l_img_comp->dx); + l_comp_y1 = opj_uint_ceildiv(l_y1, l_img_comp->dy); + l_width = opj_uint_ceildivpow2(l_comp_x1 - l_comp_x0, l_img_comp->factor); + l_height = opj_uint_ceildivpow2(l_comp_y1 - l_comp_y0, l_img_comp->factor); + l_img_comp->w = l_width; + l_img_comp->h = l_height; + l_img_comp->x0 = l_comp_x0; + l_img_comp->y0 = l_comp_y0; + ++l_img_comp; + } } @@ -141,102 +158,107 @@ void opj_image_comp_header_update(opj_image_t * p_image_header, const struct opj * Copy only header of image and its component header (no data are copied) * if dest image have data, they will be freed * - * @param p_image_src the src image - * @param p_image_dest the dest image + * @param p_image_src the src image + * @param p_image_dest the dest image * */ -void opj_copy_image_header(const opj_image_t* p_image_src, opj_image_t* p_image_dest) +void opj_copy_image_header(const opj_image_t* p_image_src, + opj_image_t* p_image_dest) { - OPJ_UINT32 compno; - - /* preconditions */ - assert(p_image_src != 00); - assert(p_image_dest != 00); - - p_image_dest->x0 = p_image_src->x0; - p_image_dest->y0 = p_image_src->y0; - p_image_dest->x1 = p_image_src->x1; - p_image_dest->y1 = p_image_src->y1; - - if (p_image_dest->comps){ - for(compno = 0; compno < p_image_dest->numcomps; compno++) { - opj_image_comp_t *image_comp = &(p_image_dest->comps[compno]); - if(image_comp->data) { - opj_free(image_comp->data); - } - } - opj_free(p_image_dest->comps); - p_image_dest->comps = NULL; - } - - p_image_dest->numcomps = p_image_src->numcomps; - - p_image_dest->comps = (opj_image_comp_t*) opj_malloc(p_image_dest->numcomps * sizeof(opj_image_comp_t)); - if (!p_image_dest->comps){ - p_image_dest->comps = NULL; - p_image_dest->numcomps = 0; - return; - } - - for (compno=0; compno < p_image_dest->numcomps; compno++){ - memcpy( &(p_image_dest->comps[compno]), - &(p_image_src->comps[compno]), - sizeof(opj_image_comp_t)); - p_image_dest->comps[compno].data = NULL; - } - - p_image_dest->color_space = p_image_src->color_space; - p_image_dest->icc_profile_len = p_image_src->icc_profile_len; - - if (p_image_dest->icc_profile_len) { - p_image_dest->icc_profile_buf = (OPJ_BYTE*)opj_malloc(p_image_dest->icc_profile_len); - if (!p_image_dest->icc_profile_buf){ - p_image_dest->icc_profile_buf = NULL; - p_image_dest->icc_profile_len = 0; - return; - } - memcpy( p_image_dest->icc_profile_buf, - p_image_src->icc_profile_buf, - p_image_src->icc_profile_len); - } - else - p_image_dest->icc_profile_buf = NULL; - - return; + OPJ_UINT32 compno; + + /* preconditions */ + assert(p_image_src != 00); + assert(p_image_dest != 00); + + p_image_dest->x0 = p_image_src->x0; + p_image_dest->y0 = p_image_src->y0; + p_image_dest->x1 = p_image_src->x1; + p_image_dest->y1 = p_image_src->y1; + + if (p_image_dest->comps) { + for (compno = 0; compno < p_image_dest->numcomps; compno++) { + opj_image_comp_t *image_comp = &(p_image_dest->comps[compno]); + if (image_comp->data) { + opj_free(image_comp->data); + } + } + opj_free(p_image_dest->comps); + p_image_dest->comps = NULL; + } + + p_image_dest->numcomps = p_image_src->numcomps; + + p_image_dest->comps = (opj_image_comp_t*) opj_malloc(p_image_dest->numcomps * + sizeof(opj_image_comp_t)); + if (!p_image_dest->comps) { + p_image_dest->comps = NULL; + p_image_dest->numcomps = 0; + return; + } + + for (compno = 0; compno < p_image_dest->numcomps; compno++) { + memcpy(&(p_image_dest->comps[compno]), + &(p_image_src->comps[compno]), + sizeof(opj_image_comp_t)); + p_image_dest->comps[compno].data = NULL; + } + + p_image_dest->color_space = p_image_src->color_space; + p_image_dest->icc_profile_len = p_image_src->icc_profile_len; + + if (p_image_dest->icc_profile_len) { + p_image_dest->icc_profile_buf = (OPJ_BYTE*)opj_malloc( + p_image_dest->icc_profile_len); + if (!p_image_dest->icc_profile_buf) { + p_image_dest->icc_profile_buf = NULL; + p_image_dest->icc_profile_len = 0; + return; + } + memcpy(p_image_dest->icc_profile_buf, + p_image_src->icc_profile_buf, + p_image_src->icc_profile_len); + } else { + p_image_dest->icc_profile_buf = NULL; + } + + return; } -opj_image_t* OPJ_CALLCONV opj_image_tile_create(OPJ_UINT32 numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) { - OPJ_UINT32 compno; - opj_image_t *image = 00; - - image = (opj_image_t*) opj_calloc(1,sizeof(opj_image_t)); - if (image) - { - - image->color_space = clrspc; - image->numcomps = numcmpts; - - /* allocate memory for the per-component information */ - image->comps = (opj_image_comp_t*)opj_calloc(image->numcomps, sizeof(opj_image_comp_t)); - if (!image->comps) { - opj_image_destroy(image); - return 00; - } - - /* create the individual image components */ - for(compno = 0; compno < numcmpts; compno++) { - opj_image_comp_t *comp = &image->comps[compno]; - comp->dx = cmptparms[compno].dx; - comp->dy = cmptparms[compno].dy; - comp->w = cmptparms[compno].w; - comp->h = cmptparms[compno].h; - comp->x0 = cmptparms[compno].x0; - comp->y0 = cmptparms[compno].y0; - comp->prec = cmptparms[compno].prec; - comp->sgnd = cmptparms[compno].sgnd; - comp->data = 0; - } - } - - return image; +opj_image_t* OPJ_CALLCONV opj_image_tile_create(OPJ_UINT32 numcmpts, + opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) +{ + OPJ_UINT32 compno; + opj_image_t *image = 00; + + image = (opj_image_t*) opj_calloc(1, sizeof(opj_image_t)); + if (image) { + + image->color_space = clrspc; + image->numcomps = numcmpts; + + /* allocate memory for the per-component information */ + image->comps = (opj_image_comp_t*)opj_calloc(image->numcomps, + sizeof(opj_image_comp_t)); + if (!image->comps) { + opj_image_destroy(image); + return 00; + } + + /* create the individual image components */ + for (compno = 0; compno < numcmpts; compno++) { + opj_image_comp_t *comp = &image->comps[compno]; + comp->dx = cmptparms[compno].dx; + comp->dy = cmptparms[compno].dy; + comp->w = cmptparms[compno].w; + comp->h = cmptparms[compno].h; + comp->x0 = cmptparms[compno].x0; + comp->y0 = cmptparms[compno].y0; + comp->prec = cmptparms[compno].prec; + comp->sgnd = cmptparms[compno].sgnd; + comp->data = 0; + } + } + + return image; } |