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75 lines
2.9 KiB
Plaintext
75 lines
2.9 KiB
Plaintext
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/** Render checker for tests in python */
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class QgsRenderChecker
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{
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%TypeHeaderCode
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#include <qgsrenderchecker.h>
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%End
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public:
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QgsRenderChecker();
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//! Destructor
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~QgsRenderChecker();
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QString controlImagePath() const;
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QString report();
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float matchPercent();
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unsigned int mismatchCount();
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unsigned int matchTarget();
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//only records time for actual render part
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int elapsedTime();
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void setElapsedTimeTarget( int theTarget );
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/** Base directory name for the control image (with control image path
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* suffixed) the path to the image will be constructed like this:
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* controlImagePath + '/' + mControlName + '/' + mControlName + '.png'
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*/
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void setControlName( const QString theName );
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/** Prefix where the control images are kept.
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* This will be appended to controlImagePath
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*/
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void setControlPathPrefix( const QString theName );
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/** Get an md5 hash that uniquely identifies an image */
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QString imageToHash( QString theImageFile );
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void setRenderedImage( QString theImageFileName );
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void setMapRenderer( QgsMapRenderer *thepMapRenderer );
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/**
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* Test using renderer to generate the image to be compared.
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* @param theTestName - to be used as the basis for writing a file to
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* e.g. /tmp/theTestName.png
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* @param theMismatchCount - defaults to 0 - the number of pixels that
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* are allowed to be different from the control image. In some cases
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* rendering may be non-deterministic. This parameter allows you to account
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* for that by providing a tolerance.
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* @note make sure to call setExpectedImage and setMapRenderer first
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*/
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bool runTest( QString theTestName, unsigned int theMismatchCount = 0 );
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/**
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* Test using two arbitary images (map renderer will not be used)
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* @param theTestName - to be used as the basis for writing a file to
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* e.g. /tmp/theTestName.png
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* @param theMismatchCount - defaults to 0 - the number of pixels that
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* are allowed to be different from the control image. In some cases
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* rendering may be non-deterministic. This parameter allows you to account
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* for that by providing a tolerance.
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* @param theRenderedImageFile to optionally override the output filename
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* @note: make sure to call setExpectedImage and setRenderedImage first.
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*/
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bool compareImages( QString theTestName, unsigned int theMismatchCount = 0, QString theRenderedImageFile = "" );
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/** Get a list of all the anomalies. An anomaly is a rendered difference
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* file where there is some red pixel content (indicating a render check
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* mismatch), but where the output was still acceptible. If the render
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* diff matches one of these anomalies we will still consider it to be
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* acceptible.
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* @return a bool indicating if the diff matched one of the anomaly files
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*/
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bool isKnownAnomaly( QString theDiffImageFile );
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QString expectedImageFile();
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};
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