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Groups > linux.kernel > #1526252 > unrolled thread

[PATCH 0/9] Get rid of bitmap images

Started byMauro Carvalho Chehab <mchehab@s-opensource.com>
First post2016-11-20 17:10 +0100
Last post2016-11-22 17:40 +0100
Articles 9 — 3 participants

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Contents

  [PATCH 0/9] Get rid of bitmap images Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2016-11-20 17:10 +0100
    [PATCH 4/9] [media] docs-rst: convert pipeline to SVG format Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2016-11-20 17:10 +0100
    [PATCH 7/9] docs-rst: media: build SVG from graphviz files Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2016-11-20 17:20 +0100
    Re: [PATCH 0/9] Get rid of bitmap images Jonathan Corbet <corbet@lwn.net> - 2016-11-21 18:50 +0100
      Re: [PATCH 0/9] Get rid of bitmap images Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2016-11-21 20:20 +0100
        Re: [Ksummit-discuss] [PATCH 0/9] Get rid of bitmap images Jani Nikula <jani.nikula@intel.com> - 2016-11-22 14:50 +0100
          Re: [Ksummit-discuss] [PATCH 0/9] Get rid of bitmap images Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2016-11-22 16:20 +0100
            Re: [Ksummit-discuss] [PATCH 0/9] Get rid of bitmap images Jani Nikula <jani.nikula@intel.com> - 2016-11-22 16:50 +0100
              Re: [Ksummit-discuss] [PATCH 0/9] Get rid of bitmap images Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2016-11-22 17:40 +0100

#1526252 — [PATCH 0/9] Get rid of bitmap images

FromMauro Carvalho Chehab <mchehab@s-opensource.com>
Date2016-11-20 17:10 +0100
Subject[PATCH 0/9] Get rid of bitmap images
Message-ID<sFCQN-5Md-3@gated-at.bofh.it>
The goal of this patch series is to get rid of PNG images, using either graphviz
or SVG for images.

For old images generated with xfig, stored inside PDF, just convert them to SVG
and cleanup the images using inkscape.

Other images need to be rewritten in SVG.

The pipeline image is actually a graphviz diagram. So, use dot to convert it
to SVG.

For now, I'm keeping the image conversion rules inside the
Documentation/media/Makefile. As we get other docs using images,
the best would be to move those rules to Documentation/Makefile.sphinx,
while we don't have a Sphinx extension or fixup that would handle them
directly.

NOTE: some images use more than 998 columns, causing troubles
with some MTA and MUA that could refuse them, because of an IETF
RFC 2821 violation:

	$ git send-email patches/tmp
	fatal: patches/tmp/0001-media-convert-more-media-images-to-SVG.patch: 191: patch contains a line longer than 998 characters

Due to that, in case you miss a patch, I'm also storing them
on my development tree at:
	https://git.linuxtv.org/mchehab/experimental.git/log/?h=svg-images

It is based on docs-next tree.

Mauro Carvalho Chehab (9):
  [media] convert more media images to SVG
  [media] svg files: cleanup them
  [media] docs-rst: nv12mt zigzag images: replace by SVG images
  [media] docs-rst: convert pipeline to SVG format
  [media] docs-rst: replace the selection.png by a SVG image
  [media] docs-rst: replace bayer.png by a SVG image
  docs-rst: media: build SVG from graphviz files
  doc-rst: media/Makefile: reorganize the rules
  docs-rst: fix media cleandocs target

 Documentation/Makefile.sphinx                      |    2 +-
 Documentation/media/Makefile                       |   67 +-
 Documentation/media/uapi/v4l/bayer.png             |  Bin 9725 -> 0 bytes
 Documentation/media/uapi/v4l/bayer.svg             |  984 ++++
 Documentation/media/uapi/v4l/crop.png              |  Bin 3334 -> 0 bytes
 Documentation/media/uapi/v4l/crop.rst              |    4 +-
 Documentation/media/uapi/v4l/crop.svg              |  281 +
 Documentation/media/uapi/v4l/dev-raw-vbi.rst       |   12 +-
 Documentation/media/uapi/v4l/dev-subdev.rst        |    4 +-
 Documentation/media/uapi/v4l/field-order.rst       |    8 +-
 Documentation/media/uapi/v4l/fieldseq_bt.png       |  Bin 12306 -> 0 bytes
 Documentation/media/uapi/v4l/fieldseq_bt.svg       | 2613 +++++++++
 Documentation/media/uapi/v4l/fieldseq_tb.png       |  Bin 12247 -> 0 bytes
 Documentation/media/uapi/v4l/fieldseq_tb.svg       | 2607 +++++++++
 Documentation/media/uapi/v4l/nv12mt.png            |  Bin 1920 -> 0 bytes
 Documentation/media/uapi/v4l/nv12mt.svg            |  450 ++
 Documentation/media/uapi/v4l/nv12mt_example.png    |  Bin 5261 -> 0 bytes
 Documentation/media/uapi/v4l/nv12mt_example.svg    | 1589 ++++++
 Documentation/media/uapi/v4l/pipeline.dot          |   12 +
 Documentation/media/uapi/v4l/pipeline.png          |  Bin 12130 -> 0 bytes
 Documentation/media/uapi/v4l/pixfmt-nv12mt.rst     |    8 +-
 Documentation/media/uapi/v4l/selection-api-003.rst |    4 +-
 Documentation/media/uapi/v4l/selection.png         |  Bin 11716 -> 0 bytes
 Documentation/media/uapi/v4l/selection.svg         | 5812 ++++++++++++++++++++
 Documentation/media/uapi/v4l/subdev-formats.rst    |    4 +-
 .../uapi/v4l/subdev-image-processing-crop.svg      |  346 +-
 .../uapi/v4l/subdev-image-processing-full.svg      |  892 ++-
 ...ubdev-image-processing-scaling-multi-source.svg |  626 ++-
 Documentation/media/uapi/v4l/vbi_525.png           |  Bin 2053 -> 0 bytes
 Documentation/media/uapi/v4l/vbi_525.svg           |  811 +++
 Documentation/media/uapi/v4l/vbi_625.png           |  Bin 2352 -> 0 bytes
 Documentation/media/uapi/v4l/vbi_625.svg           |  858 +++
 Documentation/media/uapi/v4l/vbi_hsync.png         |  Bin 906 -> 0 bytes
 Documentation/media/uapi/v4l/vbi_hsync.svg         |  313 ++
 34 files changed, 17980 insertions(+), 327 deletions(-)
 delete mode 100644 Documentation/media/uapi/v4l/bayer.png
 create mode 100644 Documentation/media/uapi/v4l/bayer.svg
 delete mode 100644 Documentation/media/uapi/v4l/crop.png
 create mode 100644 Documentation/media/uapi/v4l/crop.svg
 delete mode 100644 Documentation/media/uapi/v4l/fieldseq_bt.png
 create mode 100644 Documentation/media/uapi/v4l/fieldseq_bt.svg
 delete mode 100644 Documentation/media/uapi/v4l/fieldseq_tb.png
 create mode 100644 Documentation/media/uapi/v4l/fieldseq_tb.svg
 delete mode 100644 Documentation/media/uapi/v4l/nv12mt.png
 create mode 100644 Documentation/media/uapi/v4l/nv12mt.svg
 delete mode 100644 Documentation/media/uapi/v4l/nv12mt_example.png
 create mode 100644 Documentation/media/uapi/v4l/nv12mt_example.svg
 create mode 100644 Documentation/media/uapi/v4l/pipeline.dot
 delete mode 100644 Documentation/media/uapi/v4l/pipeline.png
 delete mode 100644 Documentation/media/uapi/v4l/selection.png
 create mode 100644 Documentation/media/uapi/v4l/selection.svg
 delete mode 100644 Documentation/media/uapi/v4l/vbi_525.png
 create mode 100644 Documentation/media/uapi/v4l/vbi_525.svg
 delete mode 100644 Documentation/media/uapi/v4l/vbi_625.png
 create mode 100644 Documentation/media/uapi/v4l/vbi_625.svg
 delete mode 100644 Documentation/media/uapi/v4l/vbi_hsync.png
 create mode 100644 Documentation/media/uapi/v4l/vbi_hsync.svg

-- 
2.7.4

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#1526253 — [PATCH 4/9] [media] docs-rst: convert pipeline to SVG format

FromMauro Carvalho Chehab <mchehab@s-opensource.com>
Date2016-11-20 17:10 +0100
Subject[PATCH 4/9] [media] docs-rst: convert pipeline to SVG format
Message-ID<sFCQN-5Md-21@gated-at.bofh.it>
In reply to#1526252
The pipeline image was produced from some dot file that has
long missed. Create a pipeline.dot with the graph and convert
it to SVG. As we're planning to add future support for graphviz
graphics, also store the .dot file on the tree, as this will
make easier when we add such Sphinx extension.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
---
 Documentation/media/Makefile                |   1 +
 Documentation/media/uapi/v4l/dev-subdev.rst |   4 +-
 Documentation/media/uapi/v4l/pipeline.dot   |  12 +++++
 Documentation/media/uapi/v4l/pipeline.png   | Bin 12130 -> 0 bytes
 Documentation/media/uapi/v4l/pipeline.svg   |  68 ++++++++++++++++++++++++++++
 5 files changed, 83 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/media/uapi/v4l/pipeline.dot
 delete mode 100644 Documentation/media/uapi/v4l/pipeline.png
 create mode 100644 Documentation/media/uapi/v4l/pipeline.svg

diff --git a/Documentation/media/Makefile b/Documentation/media/Makefile
index ec95286e556c..fff8e3b73e25 100644
--- a/Documentation/media/Makefile
+++ b/Documentation/media/Makefile
@@ -19,6 +19,7 @@ IMAGES = \
 	uapi/v4l/fieldseq_tb.svg \
 	uapi/v4l/nv12mt.svg \
 	uapi/v4l/nv12mt_example.svg \
+	uapi/v4l/pipeline.svg \
 	uapi/v4l/subdev-image-processing-full.svg \
 	uapi/v4l/subdev-image-processing-scaling-multi-source.svg \
 	uapi/v4l/subdev-image-processing-crop.svg \
diff --git a/Documentation/media/uapi/v4l/dev-subdev.rst b/Documentation/media/uapi/v4l/dev-subdev.rst
index c18e9c5427ee..cd2870180208 100644
--- a/Documentation/media/uapi/v4l/dev-subdev.rst
+++ b/Documentation/media/uapi/v4l/dev-subdev.rst
@@ -99,8 +99,8 @@ the video sensor and the host image processing hardware.
 
 .. _pipeline-scaling:
 
-.. figure::  pipeline.png
-    :alt:    pipeline.png
+.. figure::  pipeline.*
+    :alt:    pipeline.pdf / pipeline.svg
     :align:  center
 
     Image Format Negotiation on Pipelines
diff --git a/Documentation/media/uapi/v4l/pipeline.dot b/Documentation/media/uapi/v4l/pipeline.dot
new file mode 100644
index 000000000000..02d7fcf12b26
--- /dev/null
+++ b/Documentation/media/uapi/v4l/pipeline.dot
@@ -0,0 +1,12 @@
+digraph board {
+	rankdir=TB
+	colorscheme=x11
+	scaler [label="{<scaler_0> 0} | Host\nScaler | {<scaler_1> 1} ", shape=Mrecord, style=filled, fillcolor=lightblue]
+	frontend [label="{<frontend_0> 0} | Host\nFrontend | {<frontend_1> 1}", shape=Mrecord, style=filled, fillcolor=lightblue]
+	sensor [label="Sensor | {<sensor_0> 0}", shape=Mrecord, style=filled, fillcolor=aquamarine]
+	io [label="{<io_0> 0} | V4L I/O", shape=Mrecord, style=filled, fillcolor=aquamarine]
+
+	sensor:sensor_0 -> frontend:frontend_0 [color=blue, label="HQ: 2592x1968\nHS: 1296x984"]
+	frontend:frontend_1 -> scaler:scaler_0 [color=blue, label="HQ: 2592x1968\nHS: 1296x984"]
+	scaler:scaler_1 -> io:io_0 [color=blue, label="HQ: 1280x720\nHS: 1280x720"]
+}
diff --git a/Documentation/media/uapi/v4l/pipeline.png b/Documentation/media/uapi/v4l/pipeline.png
deleted file mode 100644
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GIT binary patch
literal 0
HcmV?d00001

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B;b8y(

diff --git a/Documentation/media/uapi/v4l/pipeline.svg b/Documentation/media/uapi/v4l/pipeline.svg
new file mode 100644
index 000000000000..70f4c1b23ca1
--- /dev/null
+++ b/Documentation/media/uapi/v4l/pipeline.svg
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.38.0 (20140413.2041)
+ -->
+<!-- Title: board Pages: 1 -->
+<svg width="317pt" height="358pt"
+ viewBox="0.00 0.00 317.00 358.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 354)">
+<title>board</title>
+<polygon fill="white" stroke="none" points="-4,4 -4,-354 313,-354 313,4 -4,4"/>
+<!-- scaler -->
+<g id="node1" class="node"><title>scaler</title>
+<path fill="lightblue" stroke="black" d="M154,-103.5C154,-103.5 226,-103.5 226,-103.5 232,-103.5 238,-109.5 238,-115.5 238,-115.5 238,-129.5 238,-129.5 238,-135.5 232,-141.5 226,-141.5 226,-141.5 154,-141.5 154,-141.5 148,-141.5 142,-135.5 142,-129.5 142,-129.5 142,-115.5 142,-115.5 142,-109.5 148,-103.5 154,-103.5"/>
+<text text-anchor="middle" x="153.5" y="-118.8" font-family="Times,serif" font-size="14.00">0</text>
+<polyline fill="none" stroke="black" points="165,-103.5 165,-141.5 "/>
+<text text-anchor="middle" x="190" y="-126.3" font-family="Times,serif" font-size="14.00">Host</text>
+<text text-anchor="middle" x="190" y="-111.3" font-family="Times,serif" font-size="14.00">Scaler</text>
+<polyline fill="none" stroke="black" points="215,-103.5 215,-141.5 "/>
+<text text-anchor="middle" x="226.5" y="-118.8" font-family="Times,serif" font-size="14.00">1</text>
+</g>
+<!-- io -->
+<g id="node4" class="node"><title>io</title>
+<path fill="aquamarine" stroke="black" d="M228,-0.5C228,-0.5 290,-0.5 290,-0.5 296,-0.5 302,-6.5 302,-12.5 302,-12.5 302,-24.5 302,-24.5 302,-30.5 296,-36.5 290,-36.5 290,-36.5 228,-36.5 228,-36.5 222,-36.5 216,-30.5 216,-24.5 216,-24.5 216,-12.5 216,-12.5 216,-6.5 222,-0.5 228,-0.5"/>
+<text text-anchor="middle" x="227.5" y="-14.8" font-family="Times,serif" font-size="14.00">0</text>
+<polyline fill="none" stroke="black" points="239,-0.5 239,-36.5 "/>
+<text text-anchor="middle" x="270.5" y="-14.8" font-family="Times,serif" font-size="14.00">V4L I/O</text>
+</g>
+<!-- scaler&#45;&gt;io -->
+<g id="edge3" class="edge"><title>scaler:scaler_1&#45;&gt;io:io_0</title>
+<path fill="none" stroke="blue" d="M227,-103C227,-77.3333 227,-68.5104 227,-47.0547"/>
+<polygon fill="blue" stroke="blue" points="230.5,-47 227,-37 223.5,-47 230.5,-47"/>
+<text text-anchor="middle" x="268" y="-73.8" font-family="Times,serif" font-size="14.00">HQ: 1280x720</text>
+<text text-anchor="middle" x="268" y="-58.8" font-family="Times,serif" font-size="14.00">HS: 1280x720</text>
+</g>
+<!-- frontend -->
+<g id="node2" class="node"><title>frontend</title>
+<path fill="lightblue" stroke="black" d="M65.5,-208.5C65.5,-208.5 152.5,-208.5 152.5,-208.5 158.5,-208.5 164.5,-214.5 164.5,-220.5 164.5,-220.5 164.5,-234.5 164.5,-234.5 164.5,-240.5 158.5,-246.5 152.5,-246.5 152.5,-246.5 65.5,-246.5 65.5,-246.5 59.5,-246.5 53.5,-240.5 53.5,-234.5 53.5,-234.5 53.5,-220.5 53.5,-220.5 53.5,-214.5 59.5,-208.5 65.5,-208.5"/>
+<text text-anchor="middle" x="65" y="-223.8" font-family="Times,serif" font-size="14.00">0</text>
+<polyline fill="none" stroke="black" points="76.5,-208.5 76.5,-246.5 "/>
+<text text-anchor="middle" x="109" y="-231.3" font-family="Times,serif" font-size="14.00">Host</text>
+<text text-anchor="middle" x="109" y="-216.3" font-family="Times,serif" font-size="14.00">Frontend</text>
+<polyline fill="none" stroke="black" points="141.5,-208.5 141.5,-246.5 "/>
+<text text-anchor="middle" x="153" y="-223.8" font-family="Times,serif" font-size="14.00">1</text>
+</g>
+<!-- frontend&#45;&gt;scaler -->
+<g id="edge2" class="edge"><title>frontend:frontend_1&#45;&gt;scaler:scaler_0</title>
+<path fill="none" stroke="blue" d="M153,-208C153,-182.333 153,-173.51 153,-152.055"/>
+<polygon fill="blue" stroke="blue" points="156.5,-152 153,-142 149.5,-152 156.5,-152"/>
+<text text-anchor="middle" x="197" y="-178.8" font-family="Times,serif" font-size="14.00">HQ: 2592x1968</text>
+<text text-anchor="middle" x="197" y="-163.8" font-family="Times,serif" font-size="14.00">HS: 1296x984</text>
+</g>
+<!-- sensor -->
+<g id="node3" class="node"><title>sensor</title>
+<path fill="aquamarine" stroke="black" d="M12,-313.5C12,-313.5 64,-313.5 64,-313.5 70,-313.5 76,-319.5 76,-325.5 76,-325.5 76,-337.5 76,-337.5 76,-343.5 70,-349.5 64,-349.5 64,-349.5 12,-349.5 12,-349.5 6,-349.5 0,-343.5 0,-337.5 0,-337.5 0,-325.5 0,-325.5 0,-319.5 6,-313.5 12,-313.5"/>
+<text text-anchor="middle" x="26.5" y="-327.8" font-family="Times,serif" font-size="14.00">Sensor</text>
+<polyline fill="none" stroke="black" points="53,-313.5 53,-349.5 "/>
+<text text-anchor="middle" x="64.5" y="-327.8" font-family="Times,serif" font-size="14.00">0</text>
+</g>
+<!-- sensor&#45;&gt;frontend -->
+<g id="edge1" class="edge"><title>sensor:sensor_0&#45;&gt;frontend:frontend_0</title>
+<path fill="none" stroke="blue" d="M65,-313C65,-287.333 65,-278.51 65,-257.055"/>
+<polygon fill="blue" stroke="blue" points="68.5001,-257 65,-247 61.5001,-257 68.5001,-257"/>
+<text text-anchor="middle" x="109" y="-283.8" font-family="Times,serif" font-size="14.00">HQ: 2592x1968</text>
+<text text-anchor="middle" x="109" y="-268.8" font-family="Times,serif" font-size="14.00">HS: 1296x984</text>
+</g>
+</g>
+</svg>
-- 
2.7.4

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#1526255 — [PATCH 7/9] docs-rst: media: build SVG from graphviz files

FromMauro Carvalho Chehab <mchehab@s-opensource.com>
Date2016-11-20 17:20 +0100
Subject[PATCH 7/9] docs-rst: media: build SVG from graphviz files
Message-ID<sFD0u-5RA-23@gated-at.bofh.it>
In reply to#1526252
Instead of keeping both SVG and graphviz files, dynamically
build SVG from its graphviz sources.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
---
 Documentation/media/Makefile              | 20 ++++++---
 Documentation/media/uapi/v4l/pipeline.svg | 68 -------------------------------
 2 files changed, 14 insertions(+), 74 deletions(-)
 delete mode 100644 Documentation/media/uapi/v4l/pipeline.svg

diff --git a/Documentation/media/Makefile b/Documentation/media/Makefile
index 998e8dd49352..547b4105f826 100644
--- a/Documentation/media/Makefile
+++ b/Documentation/media/Makefile
@@ -10,6 +10,9 @@ FILES = audio.h.rst ca.h.rst dmx.h.rst frontend.h.rst net.h.rst video.h.rst \
 
 TARGETS := $(addprefix $(BUILDDIR)/, $(FILES))
 
+DOTS = \
+	uapi/v4l/pipeline.dot \
+
 IMAGES = \
 	typical_media_device.svg \
 	uapi/dvb/dvbstb.svg \
@@ -29,8 +32,10 @@ IMAGES = \
 	uapi/v4l/vbi_625.svg \
 	uapi/v4l/vbi_hsync.svg \
 
+DOTTGT := $(patsubst %.dot,%.svg,$(DOTS))
+IMGDOT := $(patsubst %,$(SRC_DIR)/%,$(DOTTGT))
 
-IMGTGT := $(patsubst %.png,%.pdf,$(patsubst %.svg,%.pdf,$(IMAGES)))
+IMGTGT := $(patsubst %.svg,%.pdf,$(IMAGES))
 IMGPDF := $(patsubst %,$(SRC_DIR)/%,$(IMGTGT))
 
 cmd = $(echo-cmd) $(cmd_$(1))
@@ -38,19 +43,25 @@ cmd = $(echo-cmd) $(cmd_$(1))
 quiet_cmd_genpdf = GENPDF  $2
       cmd_genpdf = convert $2 $3
 
+quiet_cmd_gendot = DOT     $2
+      cmd_gendot = dot -Tsvg $2 > $3
+
 %.pdf: %.svg
 	@$(call cmd,genpdf,$<,$@)
 
+%.svg: %.dot
+	@$(call cmd,gendot,$<,$@)
+
 .PHONY: all html epub xml latex
 
-all: $(BUILDDIR) ${TARGETS}
+all: $(IMGDOT) $(BUILDDIR) ${TARGETS}
 html: all
 epub: all
 xml: all
 latex: $(IMGPDF) all
 
 clean:
-	-rm -f $(IMGTGT) 2>/dev/null
+	-rm -f $(DOTTGT) $(IMGTGT) $(patsubst %,$(SRC_DIR)/%,${TARGETS}) 2>/dev/null
 
 $(BUILDDIR):
 	$(Q)mkdir -p $@
@@ -95,6 +106,3 @@ $(BUILDDIR)/cec.h.rst: ${KAPI}/cec.h ${PARSER} $(SRC_DIR)/cec.h.rst.exceptions
 
 $(BUILDDIR)/lirc.h.rst: ${UAPI}/lirc.h ${PARSER} $(SRC_DIR)/lirc.h.rst.exceptions
 	@$($(quiet)gen_rst)
-
-cleandocs:
-	-rm -f ${TARGETS}
diff --git a/Documentation/media/uapi/v4l/pipeline.svg b/Documentation/media/uapi/v4l/pipeline.svg
deleted file mode 100644
index 70f4c1b23ca1..000000000000
--- a/Documentation/media/uapi/v4l/pipeline.svg
+++ /dev/null
@@ -1,68 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
- "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by graphviz version 2.38.0 (20140413.2041)
- -->
-<!-- Title: board Pages: 1 -->
-<svg width="317pt" height="358pt"
- viewBox="0.00 0.00 317.00 358.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 354)">
-<title>board</title>
-<polygon fill="white" stroke="none" points="-4,4 -4,-354 313,-354 313,4 -4,4"/>
-<!-- scaler -->
-<g id="node1" class="node"><title>scaler</title>
-<path fill="lightblue" stroke="black" d="M154,-103.5C154,-103.5 226,-103.5 226,-103.5 232,-103.5 238,-109.5 238,-115.5 238,-115.5 238,-129.5 238,-129.5 238,-135.5 232,-141.5 226,-141.5 226,-141.5 154,-141.5 154,-141.5 148,-141.5 142,-135.5 142,-129.5 142,-129.5 142,-115.5 142,-115.5 142,-109.5 148,-103.5 154,-103.5"/>
-<text text-anchor="middle" x="153.5" y="-118.8" font-family="Times,serif" font-size="14.00">0</text>
-<polyline fill="none" stroke="black" points="165,-103.5 165,-141.5 "/>
-<text text-anchor="middle" x="190" y="-126.3" font-family="Times,serif" font-size="14.00">Host</text>
-<text text-anchor="middle" x="190" y="-111.3" font-family="Times,serif" font-size="14.00">Scaler</text>
-<polyline fill="none" stroke="black" points="215,-103.5 215,-141.5 "/>
-<text text-anchor="middle" x="226.5" y="-118.8" font-family="Times,serif" font-size="14.00">1</text>
-</g>
-<!-- io -->
-<g id="node4" class="node"><title>io</title>
-<path fill="aquamarine" stroke="black" d="M228,-0.5C228,-0.5 290,-0.5 290,-0.5 296,-0.5 302,-6.5 302,-12.5 302,-12.5 302,-24.5 302,-24.5 302,-30.5 296,-36.5 290,-36.5 290,-36.5 228,-36.5 228,-36.5 222,-36.5 216,-30.5 216,-24.5 216,-24.5 216,-12.5 216,-12.5 216,-6.5 222,-0.5 228,-0.5"/>
-<text text-anchor="middle" x="227.5" y="-14.8" font-family="Times,serif" font-size="14.00">0</text>
-<polyline fill="none" stroke="black" points="239,-0.5 239,-36.5 "/>
-<text text-anchor="middle" x="270.5" y="-14.8" font-family="Times,serif" font-size="14.00">V4L I/O</text>
-</g>
-<!-- scaler&#45;&gt;io -->
-<g id="edge3" class="edge"><title>scaler:scaler_1&#45;&gt;io:io_0</title>
-<path fill="none" stroke="blue" d="M227,-103C227,-77.3333 227,-68.5104 227,-47.0547"/>
-<polygon fill="blue" stroke="blue" points="230.5,-47 227,-37 223.5,-47 230.5,-47"/>
-<text text-anchor="middle" x="268" y="-73.8" font-family="Times,serif" font-size="14.00">HQ: 1280x720</text>
-<text text-anchor="middle" x="268" y="-58.8" font-family="Times,serif" font-size="14.00">HS: 1280x720</text>
-</g>
-<!-- frontend -->
-<g id="node2" class="node"><title>frontend</title>
-<path fill="lightblue" stroke="black" d="M65.5,-208.5C65.5,-208.5 152.5,-208.5 152.5,-208.5 158.5,-208.5 164.5,-214.5 164.5,-220.5 164.5,-220.5 164.5,-234.5 164.5,-234.5 164.5,-240.5 158.5,-246.5 152.5,-246.5 152.5,-246.5 65.5,-246.5 65.5,-246.5 59.5,-246.5 53.5,-240.5 53.5,-234.5 53.5,-234.5 53.5,-220.5 53.5,-220.5 53.5,-214.5 59.5,-208.5 65.5,-208.5"/>
-<text text-anchor="middle" x="65" y="-223.8" font-family="Times,serif" font-size="14.00">0</text>
-<polyline fill="none" stroke="black" points="76.5,-208.5 76.5,-246.5 "/>
-<text text-anchor="middle" x="109" y="-231.3" font-family="Times,serif" font-size="14.00">Host</text>
-<text text-anchor="middle" x="109" y="-216.3" font-family="Times,serif" font-size="14.00">Frontend</text>
-<polyline fill="none" stroke="black" points="141.5,-208.5 141.5,-246.5 "/>
-<text text-anchor="middle" x="153" y="-223.8" font-family="Times,serif" font-size="14.00">1</text>
-</g>
-<!-- frontend&#45;&gt;scaler -->
-<g id="edge2" class="edge"><title>frontend:frontend_1&#45;&gt;scaler:scaler_0</title>
-<path fill="none" stroke="blue" d="M153,-208C153,-182.333 153,-173.51 153,-152.055"/>
-<polygon fill="blue" stroke="blue" points="156.5,-152 153,-142 149.5,-152 156.5,-152"/>
-<text text-anchor="middle" x="197" y="-178.8" font-family="Times,serif" font-size="14.00">HQ: 2592x1968</text>
-<text text-anchor="middle" x="197" y="-163.8" font-family="Times,serif" font-size="14.00">HS: 1296x984</text>
-</g>
-<!-- sensor -->
-<g id="node3" class="node"><title>sensor</title>
-<path fill="aquamarine" stroke="black" d="M12,-313.5C12,-313.5 64,-313.5 64,-313.5 70,-313.5 76,-319.5 76,-325.5 76,-325.5 76,-337.5 76,-337.5 76,-343.5 70,-349.5 64,-349.5 64,-349.5 12,-349.5 12,-349.5 6,-349.5 0,-343.5 0,-337.5 0,-337.5 0,-325.5 0,-325.5 0,-319.5 6,-313.5 12,-313.5"/>
-<text text-anchor="middle" x="26.5" y="-327.8" font-family="Times,serif" font-size="14.00">Sensor</text>
-<polyline fill="none" stroke="black" points="53,-313.5 53,-349.5 "/>
-<text text-anchor="middle" x="64.5" y="-327.8" font-family="Times,serif" font-size="14.00">0</text>
-</g>
-<!-- sensor&#45;&gt;frontend -->
-<g id="edge1" class="edge"><title>sensor:sensor_0&#45;&gt;frontend:frontend_0</title>
-<path fill="none" stroke="blue" d="M65,-313C65,-287.333 65,-278.51 65,-257.055"/>
-<polygon fill="blue" stroke="blue" points="68.5001,-257 65,-247 61.5001,-257 68.5001,-257"/>
-<text text-anchor="middle" x="109" y="-283.8" font-family="Times,serif" font-size="14.00">HQ: 2592x1968</text>
-<text text-anchor="middle" x="109" y="-268.8" font-family="Times,serif" font-size="14.00">HS: 1296x984</text>
-</g>
-</g>
-</svg>
-- 
2.7.4

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#1526949

FromJonathan Corbet <corbet@lwn.net>
Date2016-11-21 18:50 +0100
Message-ID<sG0T7-4em-17@gated-at.bofh.it>
In reply to#1526252
On Sun, 20 Nov 2016 14:08:31 -0200
Mauro Carvalho Chehab <mchehab@s-opensource.com> wrote:

> The goal of this patch series is to get rid of PNG images, using either graphviz
> or SVG for images.
> 
> For old images generated with xfig, stored inside PDF, just convert them to SVG
> and cleanup the images using inkscape.
> 
> Other images need to be rewritten in SVG.
> 
> The pipeline image is actually a graphviz diagram. So, use dot to convert it
> to SVG.
> 
> For now, I'm keeping the image conversion rules inside the
> Documentation/media/Makefile. As we get other docs using images,
> the best would be to move those rules to Documentation/Makefile.sphinx,
> while we don't have a Sphinx extension or fixup that would handle them
> directly.

So this all seems good to me and makes sense to get in for 4.10.  Should I
apply these?

> NOTE: some images use more than 998 columns, causing troubles
> with some MTA and MUA that could refuse them, because of an IETF
> RFC 2821 violation:

Hard would it be to bash out a little tool that could break those long
lines?  It seems like the format should be able to support that?  I'm no
XML expert, but a quick experiment breaking the long lines in
fieldseq_bt.svg didn't create any problems; white space is white space.

Indeed, given the small number of images and the infrequency with which
they change, perhaps that could just be done by hand?

(In the process I learned that if you visit an SVG image in emacs, it
actually renders and displays the image!)

jon

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#1526990

FromMauro Carvalho Chehab <mchehab@s-opensource.com>
Date2016-11-21 20:20 +0100
Message-ID<sG2ij-5ho-15@gated-at.bofh.it>
In reply to#1526949
Em Mon, 21 Nov 2016 10:44:44 -0700
Jonathan Corbet <corbet@lwn.net> escreveu:

> On Sun, 20 Nov 2016 14:08:31 -0200
> Mauro Carvalho Chehab <mchehab@s-opensource.com> wrote:
> 
> > The goal of this patch series is to get rid of PNG images, using either graphviz
> > or SVG for images.
> > 
> > For old images generated with xfig, stored inside PDF, just convert them to SVG
> > and cleanup the images using inkscape.
> > 
> > Other images need to be rewritten in SVG.
> > 
> > The pipeline image is actually a graphviz diagram. So, use dot to convert it
> > to SVG.
> > 
> > For now, I'm keeping the image conversion rules inside the
> > Documentation/media/Makefile. As we get other docs using images,
> > the best would be to move those rules to Documentation/Makefile.sphinx,
> > while we don't have a Sphinx extension or fixup that would handle them
> > directly.  
> 
> So this all seems good to me and makes sense to get in for 4.10.  Should I
> apply these?

If you are OK with them, please apply on your tree. IMHO, it is better
to keep those on your tree than on mine. It should not cause conflicts
with the stuff I have at the media tree.

> 
> > NOTE: some images use more than 998 columns, causing troubles
> > with some MTA and MUA that could refuse them, because of an IETF
> > RFC 2821 violation:  
> 
> Hard would it be to bash out a little tool that could break those long
> lines?  It seems like the format should be able to support that?  I'm no
> XML expert, but a quick experiment breaking the long lines in
> fieldseq_bt.svg didn't create any problems; white space is white space.

I'm not sure. The problem happens on strings like this one:

x="103.58983 109.09226 113.67899 118.26572 122.85246 127.43919 132.47964 134.77301 140.27545 144.86218 150.81833 155.40506 160.44553 166.86365 188.62184 194.12427 198.711 203.29774 207.88448 212.47121 217.51166 219.80502 225.30746 229.8942 235.85034 240.43707 245.9395 252.35764 257.3981 262.43854 268.85669 375.69293 381.19534 385.78207 390.3688 394.95554 399.54227 404.58273 406.8761 412.37854 416.96527 422.92142 427.50815 433.01059 439.42871 444.46918 449.50961 455.92776 1.551828 7.0542617 11.640993 16.227724 20.814463 25.401194 30.441652 32.735016 38.237442 42.824177 48.780331 53.367065 58.869492 65.287621 70.328079 75.368538 81.786659"

I've no idea if breaking lines inside strings on XML would cause
troubles for SVG handling, and, if all SVG libraries would do the
same thing.

> Indeed, given the small number of images and the infrequency with which
> they change, perhaps that could just be done by hand?

I guess so. We can always get them via git pull requests, and at
least my e-mail servers are OK with long e-mails. I suspect we'll
have problems with ML servers, like vger, though.

> 
> (In the process I learned that if you visit an SVG image in emacs, it
> actually renders and displays the image!)

That's interesting!

Thanks,
Mauro

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#1527514 — Re: [Ksummit-discuss] [PATCH 0/9] Get rid of bitmap images

FromJani Nikula <jani.nikula@intel.com>
Date2016-11-22 14:50 +0100
SubjectRe: [Ksummit-discuss] [PATCH 0/9] Get rid of bitmap images
Message-ID<sGjCp-7LM-23@gated-at.bofh.it>
In reply to#1526990
On Mon, 21 Nov 2016, Mauro Carvalho Chehab <mchehab@s-opensource.com> wrote:
> Em Mon, 21 Nov 2016 10:44:44 -0700
> Jonathan Corbet <corbet@lwn.net> escreveu:
>
>> On Sun, 20 Nov 2016 14:08:31 -0200
>> Mauro Carvalho Chehab <mchehab@s-opensource.com> wrote:
>> > NOTE: some images use more than 998 columns, causing troubles
>> > with some MTA and MUA that could refuse them, because of an IETF
>> > RFC 2821 violation:  
>> 
>> Hard would it be to bash out a little tool that could break those long
>> lines?  It seems like the format should be able to support that?  I'm no
>> XML expert, but a quick experiment breaking the long lines in
>> fieldseq_bt.svg didn't create any problems; white space is white space.
>
> I'm not sure. The problem happens on strings like this one:
>
> x="103.58983 109.09226 113.67899 118.26572 122.85246 127.43919 132.47964 134.77301 140.27545 144.86218 150.81833 155.40506 160.44553 166.86365 188.62184 194.12427 198.711 203.29774 207.88448 212.47121 217.51166 219.80502 225.30746 229.8942 235.85034 240.43707 245.9395 252.35764 257.3981 262.43854 268.85669 375.69293 381.19534 385.78207 390.3688 394.95554 399.54227 404.58273 406.8761 412.37854 416.96527 422.92142 427.50815 433.01059 439.42871 444.46918 449.50961 455.92776 1.551828 7.0542617 11.640993 16.227724 20.814463 25.401194 30.441652 32.735016 38.237442 42.824177 48.780331 53.367065 58.869492 65.287621 70.328079 75.368538 81.786659"
>
> I've no idea if breaking lines inside strings on XML would cause
> troubles for SVG handling, and, if all SVG libraries would do the
> same thing.

It *should* be okay to just replace spaces within attributes with
newlines, and they should be normalized back to spaces by any compliant
xml parser.

You can use tidy or xmllint to clean up the xml before
committing. Unfortunately I couldn't make tidy actually wrap the long
attributes, but could be PEBKAC.

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Technology Center

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#1527590 — Re: [Ksummit-discuss] [PATCH 0/9] Get rid of bitmap images

FromMauro Carvalho Chehab <mchehab@s-opensource.com>
Date2016-11-22 16:20 +0100
SubjectRe: [Ksummit-discuss] [PATCH 0/9] Get rid of bitmap images
Message-ID<sGl1v-oK-19@gated-at.bofh.it>
In reply to#1527514
Em Tue, 22 Nov 2016 15:49:47 +0200
Jani Nikula <jani.nikula@intel.com> escreveu:

> On Mon, 21 Nov 2016, Mauro Carvalho Chehab <mchehab@s-opensource.com> wrote:
> > Em Mon, 21 Nov 2016 10:44:44 -0700
> > Jonathan Corbet <corbet@lwn.net> escreveu:
> >  
> >> On Sun, 20 Nov 2016 14:08:31 -0200
> >> Mauro Carvalho Chehab <mchehab@s-opensource.com> wrote:  
> >> > NOTE: some images use more than 998 columns, causing troubles
> >> > with some MTA and MUA that could refuse them, because of an IETF
> >> > RFC 2821 violation:    
> >> 
> >> Hard would it be to bash out a little tool that could break those long
> >> lines?  It seems like the format should be able to support that?  I'm no
> >> XML expert, but a quick experiment breaking the long lines in
> >> fieldseq_bt.svg didn't create any problems; white space is white space.  
> >
> > I'm not sure. The problem happens on strings like this one:
> >
> > x="103.58983 109.09226 113.67899 118.26572 122.85246 127.43919 132.47964 134.77301 140.27545 144.86218 150.81833 155.40506 160.44553 166.86365 188.62184 194.12427 198.711 203.29774 207.88448 212.47121 217.51166 219.80502 225.30746 229.8942 235.85034 240.43707 245.9395 252.35764 257.3981 262.43854 268.85669 375.69293 381.19534 385.78207 390.3688 394.95554 399.54227 404.58273 406.8761 412.37854 416.96527 422.92142 427.50815 433.01059 439.42871 444.46918 449.50961 455.92776 1.551828 7.0542617 11.640993 16.227724 20.814463 25.401194 30.441652 32.735016 38.237442 42.824177 48.780331 53.367065 58.869492 65.287621 70.328079 75.368538 81.786659"
> >
> > I've no idea if breaking lines inside strings on XML would cause
> > troubles for SVG handling, and, if all SVG libraries would do the
> > same thing.  
> 
> It *should* be okay to just replace spaces within attributes with
> newlines, and they should be normalized back to spaces by any compliant
> xml parser.

So, something like:

	#!/usr/bin/perl
	use strict;
	my $svg;
	my $file = shift or die "Usage: $0 file\n";
	open IN, $file  or die "Can't read $file\n";
	$svg .= $_ while (<IN>);
	close IN;
	$svg =~ s/^\s+//;
	$svg =~ s/\s+^//;
	$svg .= "\n";
	$svg =~ s/\s+/\n/g;
	$svg =~ s/\>\s+\</\>\n\</g;
	print $svg;

would then work?

An option would be to make git optionally aware of svg, avoiding long lines
there.

> You can use tidy or xmllint to clean up the xml before
> committing. Unfortunately I couldn't make tidy actually wrap the long
> attributes, but could be PEBKAC.

I tried both, none broke the long lines on 
Documentation/media/uapi/v4l/fieldseq_tb.svg.


Thanks,
Mauro

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#1527612 — Re: [Ksummit-discuss] [PATCH 0/9] Get rid of bitmap images

FromJani Nikula <jani.nikula@intel.com>
Date2016-11-22 16:50 +0100
SubjectRe: [Ksummit-discuss] [PATCH 0/9] Get rid of bitmap images
Message-ID<sGluy-yw-9@gated-at.bofh.it>
In reply to#1527590
On Tue, 22 Nov 2016, Mauro Carvalho Chehab <mchehab@s-opensource.com> wrote:
> I tried both, none broke the long lines on 
> Documentation/media/uapi/v4l/fieldseq_tb.svg.

How about:

'tidy -xml -i Documentation/media/uapi/v4l/fieldseq_tb.svg | fmt -sw 80'

Both pretty indents and folds. I think it should Just Work(tm).


BR,
Jani.

-- 
Jani Nikula, Intel Open Source Technology Center

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#1527679 — Re: [Ksummit-discuss] [PATCH 0/9] Get rid of bitmap images

FromMauro Carvalho Chehab <mchehab@s-opensource.com>
Date2016-11-22 17:40 +0100
SubjectRe: [Ksummit-discuss] [PATCH 0/9] Get rid of bitmap images
Message-ID<sGmgW-1eL-29@gated-at.bofh.it>
In reply to#1527612
Em Tue, 22 Nov 2016 17:40:27 +0200
Jani Nikula <jani.nikula@intel.com> escreveu:

> On Tue, 22 Nov 2016, Mauro Carvalho Chehab <mchehab@s-opensource.com> wrote:
> > I tried both, none broke the long lines on 
> > Documentation/media/uapi/v4l/fieldseq_tb.svg.  
> 
> How about:
> 
> 'tidy -xml -i Documentation/media/uapi/v4l/fieldseq_tb.svg | fmt -sw 80'
> 
> Both pretty indents and folds. I think it should Just Work(tm).

No, it didn't... Try this:
	$ tidy -xml -i Documentation/media/uapi/dvb/dvbstb.svg|fmt -sw 80 >a.svg

And open both images with inkscape. You'll see that it mangled the
texts :-(

Just using fmt didn't seem to cause issues, at least on this image, but
I'll do more tests to be sure.



Regards,
Mauro

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