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author | Tom Sepez <tsepez@chromium.org> | 2015-06-18 17:51:37 -0700 |
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committer | Tom Sepez <tsepez@chromium.org> | 2015-06-18 17:51:37 -0700 |
commit | 6fd997b710e96e0c66d6dcd2e1c5cfd950d6accd (patch) | |
tree | 7406f00d80a9bf9d30573fef0a6003c9940201c4 /third_party/libopenjpeg20/image.c | |
parent | 25d5be60c504f3df0722caea6e7a846b8e8d9537 (diff) | |
download | pdfium-6fd997b710e96e0c66d6dcd2e1c5cfd950d6accd.tar.xz |
Merge to XFA: Move libopenjpeg to third_party/
Original Review URL: https://codereview.chromium.org/1185373010.
TBR=thestig@chromium.org
Review URL: https://codereview.chromium.org/1193773002.
Diffstat (limited to 'third_party/libopenjpeg20/image.c')
-rw-r--r-- | third_party/libopenjpeg20/image.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/third_party/libopenjpeg20/image.c b/third_party/libopenjpeg20/image.c new file mode 100644 index 0000000000..8e68668e42 --- /dev/null +++ b/third_party/libopenjpeg20/image.c @@ -0,0 +1,238 @@ +/* + * 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. + * + * Copyright (c) 2005, Herve Drolon, FreeImage Team + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#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_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) { + 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) { + fprintf(stderr,"Unable to allocate memory for image.\n"); + opj_image_destroy(image); + return NULL; + } + } + } + + 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); + } +} + +/** + * 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. + */ +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_INT32 l_x0, l_y0, l_x1, l_y1; + OPJ_INT32 l_comp_x0, l_comp_y0, l_comp_x1, l_comp_y1; + opj_image_comp_t* l_img_comp = NULL; + + l_x0 = opj_int_max((OPJ_INT32)p_cp->tx0 , (OPJ_INT32)p_image_header->x0); + l_y0 = opj_int_max((OPJ_INT32)p_cp->ty0 , (OPJ_INT32)p_image_header->y0); + l_x1 = opj_int_min((OPJ_INT32)(p_cp->tx0 + p_cp->tw * p_cp->tdx), (OPJ_INT32)p_image_header->x1); + l_y1 = opj_int_min((OPJ_INT32)(p_cp->ty0 + p_cp->th * p_cp->tdy), (OPJ_INT32)p_image_header->y1); + + l_img_comp = p_image_header->comps; + for (i = 0; i < p_image_header->numcomps; ++i) { + l_comp_x0 = opj_int_ceildiv(l_x0, (OPJ_INT32)l_img_comp->dx); + l_comp_y0 = opj_int_ceildiv(l_y0, (OPJ_INT32)l_img_comp->dy); + l_comp_x1 = opj_int_ceildiv(l_x1, (OPJ_INT32)l_img_comp->dx); + l_comp_y1 = opj_int_ceildiv(l_y1, (OPJ_INT32)l_img_comp->dy); + l_width = (OPJ_UINT32)opj_int_ceildivpow2(l_comp_x1 - l_comp_x0, (OPJ_INT32)l_img_comp->factor); + l_height = (OPJ_UINT32)opj_int_ceildivpow2(l_comp_y1 - l_comp_y0, (OPJ_INT32)l_img_comp->factor); + l_img_comp->w = l_width; + l_img_comp->h = l_height; + l_img_comp->x0 = (OPJ_UINT32)l_comp_x0/*l_x0*/; + l_img_comp->y0 = (OPJ_UINT32)l_comp_y0/*l_y0*/; + ++l_img_comp; + } +} + + +/** + * 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 + * + */ +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_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; +} |