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-rw-r--r--Build/source/texk/web2c/luatexdir/pdf/pdfimage.c156
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diff --git a/Build/source/texk/web2c/luatexdir/pdf/pdfimage.c b/Build/source/texk/web2c/luatexdir/pdf/pdfimage.c
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+++ b/Build/source/texk/web2c/luatexdir/pdf/pdfimage.c
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+/*
+
+Copyright 2009-2010 Taco Hoekwater <taco@luatex.org>
+
+This file is part of LuaTeX.
+
+LuaTeX is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2 of the License, or (at your
+option) any later version.
+
+LuaTeX is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+License for more details.
+
+You should have received a copy of the GNU General Public License along
+with LuaTeX; if not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "ptexlib.h"
+
+void place_img(PDF pdf, image_dict * idict, scaled_whd dim, int transform)
+{
+ /*tex A transformation matrix: */
+ float a[6];
+ float xoff, yoff, tmp;
+ pdfstructure *p = pdf->pstruct;
+ scaledpos pos = pdf->posstruct->pos;
+ /*tex The number of digits after the decimal point: */
+ int r;
+ int k;
+ scaledpos tmppos;
+ pdffloat cm[6];
+ int groupref;
+ a[0] = a[3] = 1.0e6;
+ a[1] = a[2] = 0;
+ if (img_type(idict) == IMG_TYPE_PDF || img_type(idict) == IMG_TYPE_PDFMEMSTREAM
+ || img_type(idict) == IMG_TYPE_PDFSTREAM) {
+ a[0] /= (float) img_xsize(idict);
+ a[3] /= (float) img_ysize(idict);
+ xoff = (float) img_xorig(idict) / (float) img_xsize(idict);
+ yoff = (float) img_yorig(idict) / (float) img_ysize(idict);
+ r = 6;
+ } else {
+ if (img_type(idict) == IMG_TYPE_PNG) {
+ groupref = img_group_ref(idict);
+ if ((groupref > 0) && (pdf->img_page_group_val == 0))
+ pdf->img_page_group_val = groupref;
+ }
+ a[0] /= (float) one_hundred_bp;
+ a[3] = a[0];
+ xoff = yoff = 0;
+ r = 4;
+ }
+ if ((transform & 7) > 3) {
+ /*tex Mirror cases: */
+ a[0] *= -1;
+ xoff *= -1;
+ }
+ switch ((transform + img_rotation(idict)) & 3) {
+ case 0:
+ /*tex No transform. */
+ break;
+ case 1:
+ /*tex rotation over 90 degrees (counterclockwise) */
+ a[1] = a[0];
+ a[2] = -a[3];
+ a[3] = a[0] = 0;
+ tmp = yoff;
+ yoff = xoff;
+ xoff = -tmp;
+ break;
+ case 2:
+ /*tex rotation over 180 degrees (counterclockwise) */
+ a[0] *= -1;
+ a[3] *= -1;
+ xoff *= -1;
+ yoff *= -1;
+ break;
+ case 3:
+ /*tex rotation over 270 degrees (counterclockwise) */
+ a[1] = -a[0];
+ a[2] = a[3];
+ a[3] = a[0] = 0;
+ tmp = yoff;
+ yoff = -xoff;
+ xoff = tmp;
+ break;
+ default:;
+ }
+ xoff *= (float) dim.wd;
+ yoff *= (float) (dim.ht + dim.dp);
+ a[0] *= (float) dim.wd;
+ a[1] *= (float) (dim.ht + dim.dp);
+ a[2] *= (float) dim.wd;
+ a[3] *= (float) (dim.ht + dim.dp);
+ a[4] = (float) pos.h - xoff;
+ a[5] = (float) pos.v - yoff;
+ k = transform + img_rotation(idict);
+ if ((transform & 7) > 3)
+ k++;
+ switch (k & 3) {
+ case 0:
+ /*tex No transform */
+ break;
+ case 1:
+ /*tex rotation over 90 degrees (counterclockwise) */
+ a[4] += (float) dim.wd;
+ break;
+ case 2:
+ /*tex rotation over 180 degrees (counterclockwise) */
+ a[4] += (float) dim.wd;
+ a[5] += (float) (dim.ht + dim.dp);
+ break;
+ case 3:
+ /*tex rotation over 270 degrees (counterclockwise) */
+ a[5] += (float) (dim.ht + dim.dp);
+ break;
+ default:;
+ }
+ setpdffloat(cm[0], i64round(a[0]), r);
+ setpdffloat(cm[1], i64round(a[1]), r);
+ setpdffloat(cm[2], i64round(a[2]), r);
+ setpdffloat(cm[3], i64round(a[3]), r);
+ tmppos.h = round(a[4]);
+ tmppos.v = round(a[5]);
+ pdf_goto_pagemode(pdf);
+ (void) calc_pdfpos(p, tmppos);
+ cm[4] = p->cm[4];
+ cm[5] = p->cm[5];
+ if (pdf->img_page_group_val == 0)
+ pdf->img_page_group_val = img_group_ref(idict);
+ pdf_puts(pdf, "q\n");
+ pdf_print_cm(pdf, cm);
+ pdf_puts(pdf, "/Im");
+ pdf_print_int(pdf, img_index(idict));
+ pdf_print_resname_prefix(pdf);
+ pdf_puts(pdf, " Do\nQ\n");
+ addto_page_resources(pdf, obj_type_ximage, img_objnum(idict));
+ if (img_state(idict) < DICT_OUTIMG)
+ img_state(idict) = DICT_OUTIMG;
+}
+
+/*tex For normal output see |pdflistout.c|: */
+
+void pdf_place_image(PDF pdf, halfword p)
+{
+ scaled_whd dim;
+ image_dict *idict = idict_array[rule_index(p)];
+ dim.wd = width(p);
+ dim.ht = height(p);
+ dim.dp = depth(p);
+ place_img(pdf, idict, dim, rule_transform(p));
+}