third_party/libopenjpeg20/image.c - platform/external/pdfium - Gitiles

 /*
  * 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) {
 			/* 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;
 }

 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_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;
 	}
 }


 /**
  * 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;
 }
	/*
	* 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) {
	/* 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;
	}

	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_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;
	}
	}


	/**
	* 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;
	}