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master b3c9af9 1/2: Improvements for `:base-uri' svg image property
From: |
Eli Zaretskii |
Subject: |
master b3c9af9 1/2: Improvements for `:base-uri' svg image property |
Date: |
Sat, 26 Dec 2020 04:47:42 -0500 (EST) |
branch: master
commit b3c9af9061e09efd94a1f5bd58aed69800da237d
Author: Zajcev Evgeny <zevlg@yandex.ru>
Commit: Eli Zaretskii <eliz@gnu.org>
Improvements for `:base-uri' svg image property
* src/image.c (svg_load): Use ENCODE_FILE for `:base-uri'
* doc/lispref/display.texi (SVG Images): Add more documentation for
`:base-uri'
---
doc/lispref/display.texi | 8 +++++++-
src/image.c | 8 +++++---
2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi
index 2b3119e..949fd89 100644
--- a/doc/lispref/display.texi
+++ b/doc/lispref/display.texi
@@ -5904,7 +5904,13 @@ string containing the image data as raw bytes.
@var{image-type} should be a
To @var{svg} add an embedded (raster) image placed at
@var{relative-filename}. @var{relative-filename} is searched inside
@code{file-name-directory} of the @code{:base-uri} svg image property.
-This improves the performance of embedding large images.
+@code{:base-uri} specifies a (possibly non-existing) file name of the
+svg image to be created, thus all the embedded files are searched
+relatively to the @code{:base-uri} filename's directory. If
+@code{:base-uri} is ommited, then filename from where svg image is
+loaded is used. Using @code{:base-uri} improves the performance of
+embedding large images, comparing to @code{svg-embed}, because all the
+work is done directly by librsvg.
@lisp
;; Embeding /tmp/subdir/rms.jpg and /tmp/another/rms.jpg
diff --git a/src/image.c b/src/image.c
index 29cd189..e99ba09 100644
--- a/src/image.c
+++ b/src/image.c
@@ -9803,8 +9803,9 @@ svg_load (struct frame *f, struct image *img)
}
/* If the file was slurped into memory properly, parse it. */
if (!STRINGP (base_uri))
- base_uri = ENCODE_FILE (file);
- success_p = svg_load_image (f, img, contents, size, SSDATA (base_uri));
+ base_uri = file;
+ success_p = svg_load_image (f, img, contents, size,
+ SSDATA (ENCODE_FILE (base_uri)));
xfree (contents);
}
/* Else it's not a file, it's a Lisp object. Load the image from a
@@ -9822,7 +9823,8 @@ svg_load (struct frame *f, struct image *img)
if (!STRINGP (base_uri))
base_uri = BVAR (current_buffer, filename);
success_p = svg_load_image (f, img, SSDATA (data), SBYTES (data),
- (NILP (base_uri) ? NULL : SSDATA
(base_uri)));
+ (STRINGP (base_uri) ?
+ SSDATA (ENCODE_FILE (base_uri)) : NULL));
}
return success_p;