make QgsCompositionChecker less forgiving and readd a svg used in tests (fixes #7731)

images/svg/gpsicons/plane_orange.svg

@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Sodipodi ("http://www.sodipodi.com/") -->
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://web.resource.org/cc/"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.0"
+   x="0"
+   y="0"
+   width="109.13385"
+   height="109.13385"
+   id="svg602"
+   xml:space="preserve"
+   sodipodi:version="0.32"
+   inkscape:version="0.45"
+   sodipodi:docname="plane_orange.svg"
+   sodipodi:docbase="/home/gsherman/qgis_09_qml/share/qgis/svg/gpsicons"
+   inkscape:output_extension="org.inkscape.output.svg.inkscape"><metadata
+     id="metadata10"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /></cc:Work></rdf:RDF></metadata><defs
+     id="defs8" /><sodipodi:namedview
+     inkscape:window-height="679"
+     inkscape:window-width="1024"
+     inkscape:pageshadow="2"
+     inkscape:pageopacity="0.0"
+     borderopacity="1.0"
+     bordercolor="#666666"
+     pagecolor="#ffffff"
+     id="base"
+     inkscape:zoom="3.6927131"
+     inkscape:cx="54.566925"
+     inkscape:cy="54.566925"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:current-layer="g841" /><g
+     transform="translate(1.907349e-5,1.15625)"
+     style="font-size:12;"
+     id="g841"><rect
+       style="fill:#ff8000;fill-opacity:1;stroke:none;stroke-opacity:1"
+       id="rect1309"
+       width="7.9182968"
+       height="86.771385"
+       x="50.982937"
+       y="6.1554475"
+       ry="4.6036596"
+       rx="4.6036596" /><path
+       style="fill:#ff8000;fill-opacity:1;fill-rule:evenodd;stroke:#ff8000;stroke-width:6.09166908;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       d="M 54.942086,37.82865 L 11.143125,65.542701 L 98.74105,65.542701 L 54.942086,37.82865 z "
+       id="path3061"
+       sodipodi:nodetypes="cccc" /><path
+       sodipodi:nodetypes="cccc"
+       id="path3936"
+       d="M 54.942086,79.491147 L 35.702152,91.665329 L 74.182023,91.665329 L 54.942086,79.491147 z "
+       style="fill:#ff8000;fill-opacity:1;fill-rule:evenodd;stroke:#ff8000;stroke-width:2.67593813;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" /><rect
+       rx="4.6036596"
+       ry="4.6036596"
+       y="45.42197"
+       x="25.527399"
+       height="18.258076"
+       width="7.9182968"
+       id="rect3938"
+       style="fill:#ff8000;fill-opacity:1;stroke:#ff8000;stroke-opacity:1" /><use
+       x="0"
+       y="0"
+       xlink:href="#rect3938"
+       id="use3940"
+       transform="translate(50.64027,-4.017428e-7)"
+       width="109.13385"
+       height="109.13385"
+       style="fill:#ff8000;fill-opacity:1;stroke:#ff8000;stroke-opacity:1" /></g></svg>

tests/src/core/qgscompositionchecker.cpp

@@ -126,7 +126,7 @@ bool QgsCompositionChecker::compareImages( const QImage& imgExpected, const QIma
     differenceImage.save( differenceImagePath, "PNG" );
   }
 
-  //allow pixel deviation of 1 percent
+  //allow pixel deviation of 1 per mille
   int pixelCount = imageWidth * imageHeight;
-  return (( double )mismatchCount / ( double )pixelCount ) < 0.01;
+  return (( double )mismatchCount / ( double )pixelCount ) < 0.001;
 }