Attachment 24082 Details for Bug 20668 – smask scale fix

[patch] smask scale fix

0002-Fix-cairo-luminosity-smask-when-cairo-ctm-identit.patch (text/plain), 1.16 KB, created by Adrian Johnson on 2009-03-20 06:00:51 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Adrian Johnson

Created: 2009-03-20 06:00:51 UTC

Size: 1.16 KB

patch

obsolete

>From 59d22f133aad44d141405a1bb988b47dbcb4405f Mon Sep 17 00:00:00 2001
>From: Adrian Johnson <ajohnson@redneon.com>
>Date: Fri, 20 Mar 2009 23:25:19 +1030
>Subject: [PATCH] Fix cairo luminosity smask when cairo ctm != identity
>
>---
> poppler/CairoOutputDev.cc |   16 +++++++++++++++-
> 1 files changed, 15 insertions(+), 1 deletions(-)
>
>diff --git a/poppler/CairoOutputDev.cc b/poppler/CairoOutputDev.cc
>index fd93e05..91e1d04 100644
>--- a/poppler/CairoOutputDev.cc
>+++ b/poppler/CairoOutputDev.cc
>@@ -949,8 +949,22 @@ void CairoOutputDev::setSoftMask(GfxState * state, double * bbox, GBool alpha,
>      * So we paint the group to an image surface convert it to a luminocity map
>      * and then use that as the mask. */
> 
>-    double x1, y1, x2, y2;
>+    double x1, y1, x2, y2, tmp;
>     cairo_clip_extents(cairo, &x1, &y1, &x2, &y2);
>+    cairo_user_to_device(cairo, &x1, &y1);
>+    cairo_user_to_device(cairo, &x2, &y2);
>+    if (x1 > x2) {
>+      tmp = x1;
>+      x1 = x2;
>+      x2 = tmp;
>+    }
>+
>+    if (y1 > y2) {
>+      tmp = y1;
>+      y1 = y2;
>+      y2 = tmp;
>+    }
>+
>     int width = (int)(ceil(x2) - floor(x1));
>     int height = (int)(ceil(y2) - floor(y1));
> 
>-- 
>1.5.6.3
>

Actions: View | Splinter Review

Attachments on bug 20668: 23873 | 23874 | 23875 | 23876 | 23877 | 24044 | 24082

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.