1 files changed, 89 insertions, 0 deletions

diff --git a/extern/libopenjpeg/image.c b/extern/libopenjpeg/image.c
new file mode 100644
index 00000000000..ea8e59ea547
--- /dev/null
+++ b/extern/libopenjpeg/image.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2005, Hervé 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_malloc(sizeof(opj_image_t));
+	return image;
+}
+
+opj_image_t* OPJ_CALLCONV opj_image_create(int numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) {
+	int 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_malloc(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 = (int*) opj_calloc(comp->w * comp->h, sizeof(int));
+			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) {
+	int i;
+	if(image) {
+		if(image->comps) {
+			/* image components */
+			for(i = 0; i < image->numcomps; i++) {
+				opj_image_comp_t *image_comp = &image->comps[i];
+				if(image_comp->data) {
+					opj_free(image_comp->data);
+				}
+			}
+			opj_free(image->comps);
+		}
+		opj_free(image);
+	}
+}
+