pdf: take device resolution into account when scaling PDF images

Reported and tested by Dirk-Wilhelm Peters <peters@schwertfisch.de>.
aligrudi · Apr 16, 2018 · 90d1d12 · 90d1d12
1 parent 10f9357
commit 90d1d12
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/pdf.c b/pdf.c
@@ -660,9 +660,9 @@ static int pdfext(char *pdf, int len, int hwid, int vwid)
 		bbox = pdf_dval_val(pdf, len, pages, "/MediaBox");
 	if (bbox >= 0 && !pdfbbox(pdf, len, bbox, dim)) {
 		if (hwid > 0)
-			hzoom = hwid / (dim[2] - dim[0]);
+			hzoom = hwid / (dim[2] - dim[0]) * 7200 / dev_res;
 		if (vwid > 0)
-			vzoom = vwid / (dim[3] - dim[1]);
+			vzoom = vwid / (dim[3] - dim[1]) * 7200 / dev_res;
 		if (vwid <= 0)
 			vzoom = hzoom;
 		if (hwid <= 0)