$MaxLevel) $Level = $MaxLevel; //$Level = 0; $Points = GetValues($Measure, $StartTime, $EndTime, $Level); if($Debug) echo('Points count: '.count($Points).'
'); //if($Debug) foreach($Points as $Index => $Item) // echo($Index.': '.$Item['min'].'
'); // Calculate total max, avg, min value $MaxValue = -1000000000; $AvgValue = 0; $MinValue = 1000000000; foreach($Points as $Index => $Item) { $Points[$Index]['min'] = $Points[$Index]['min'] / $Measure['display_divider']; $Points[$Index]['avg'] = $Points[$Index]['avg'] / $Measure['display_divider']; $Points[$Index]['max'] = $Points[$Index]['max'] / $Measure['display_divider']; if($Points[$Index]['avg'] > $MaxValue) $MaxValue = $Points[$Index]['avg']; if($Points[$Index]['avg'] < $MinValue) $MinValue = $Points[$Index]['avg']; if($Points[$Index]['max'] > $MaxValue) $MaxValue = $Points[$Index]['max']; if($Points[$Index]['min'] < $MinValue) $MinValue = $Points[$Index]['min']; $AvgValue = $AvgValue + $Points[$Index]['avg']; } $MinValue = round($MinValue * $Measure['display_divider']) / $Measure['display_divider']; $MaxValue = round($MaxValue * $Measure['display_divider']) / $Measure['display_divider']; $AvgValue = round($AvgValue / count($Points) * $Measure['display_divider']) / $Measure['display_divider']; // Generate polygon and recalculate y values to fit graph height $PointsMin = array(0, $Height-1); $PointsAvg = array(0, $Height-1); $PointsMax = array(0, $Height-1); if(($MaxValue - $MinValue) == 0) $MaxValue = $MinValue + 1; { foreach($Points as $Index => $Item) { $PointsMin[] = $Index*$Width/$DivisionCount; $PointsMin[] = $Height - 1 - ($Points[$Index]['min'] - $MinValue) / ($MaxValue - $MinValue) * $Height * $K; $PointsAvg[] = $Index*$Width/$DivisionCount; $PointsAvg[] = $Height - 1 - ($Points[$Index]['avg'] - $MinValue) / ($MaxValue - $MinValue) * $Height * $K; $PointsMax[] = $Index*$Width/$DivisionCount; $PointsMax[] = $Height - 1 - ($Points[$Index]['max'] - $MinValue) / ($MaxValue - $MinValue) * $Height * $K; //echo($Index.' - '.$Item.' '.$Points[$Index].'
'); } } $PointsMin[] = $Width-1; $PointsMin[] = $Height-1; $PointsAvg[] = $Width-1; $PointsAvg[] = $Height-1; $PointsMax[] = $Width-1; $PointsMax[] = $Height-1; $PointsMin[] = $Width-1; $PointsMin[] = $Height-1; $PointsAvg[] = $Width-1; $PointsAvg[] = $Height-1; $PointsMax[] = $Width-1; $PointsMax[] = $Height-1; array_unshift($Points, $Height - 1); array_unshift($Points, 0); $Points[] = $Width - 1; $Points[] = $Height - 1; // Generate image if(!$Debug) { header("Content-type: image/png"); header("Cache-Control: no-cache"); // Dynamic graph - no cache $Image = @imagecreate($Width, $Height + 14); $BackgroundColor = imagecolorallocate($Image, 255, 255, 255); $Black = imagecolorallocate($Image, 0, 0, 0); $White = imagecolorallocate($Image, 255, 255, 255); $Gray = imagecolorallocate($Image, 200, 200, 200); $DarkGray = imagecolorallocate($Image, 100, 100, 100); $LightBlue = imagecolorallocate($Image, 150, 150, 255); $Blue = imagecolorallocate($Image, 0, 0, 255); $LightRed = imagecolorallocate($Image, 255, 150, 150); $Red = imagecolorallocate($Image, 255, 0, 0); $Green = imagecolorallocate($Image, 0, 200, 0); $LightGreen = imagecolorallocate($Image, 150, 255, 150); imagefilledpolygon($Image, $PointsMax, count($PointsMax) / 2, $LightRed); imagefilledpolygon($Image, $PointsAvg, count($PointsAvg) / 2, $LightGreen); imagefilledpolygon($Image, $PointsMin, count($PointsMin) / 2, $LightBlue); $TimeMarks = array(1, 60, 60*60, 60*60*24, 60*60*24*7, 60*60*24*30, 60*60*24*365, 60*60*24*365*10); $TimeRange = $EndTime - $StartTime; $TimeMarksIndex = 0; while(($TimeRange / $TimeMarks[$TimeMarksIndex]) > 1) $TimeMarksIndex += 1; if($TimeMarksIndex < 2) $TimeMarksIndex = 2; $MajorTimeMarks = $TimeMarks[$TimeMarksIndex - 1]; $MinorTimeMarks = $TimeMarks[$TimeMarksIndex - 2]; $TimeShift = AlignTime($StartTime, $MajorTimeMarks) - $StartTime; //imagestring($Image, 10, 40, 50, $TimeShift, $Black); // Zobraz měřítko Y $VerticalLinesDistance = $Height / $VerticalLinesCount; for($I=1; $I<=$VerticalLinesCount; $I++) { $Y = $Height - 1 - ($VerticalLinesDistance * $I); for($X=1; $X < $Width; $X = $X + 3) imagesetpixel($Image, $X, $Y, $Gray); //imageline($Image, 30, $Y, $Width-1, $Y, IMG_COLOR_STYLED); } $TimeShift = AlignTime($StartTime, $MinorTimeMarks) - $StartTime; /* if(($MinorTimeMarks / $TimeRange * $Width) > 3) for($Time = $StartTime; $Time < $EndTime; $Time += $MinorTimeMarks) { $X = round(($Time - $StartTime + $TimeShift) / $TimeRange * $Width) % $Width; for($Y=0; $Y < $Height; $Y = $Y + 3) imagesetpixel($Image, $X, $Y, $Gray); //imageline($Image, 30, $Y, $Width-1, $Y, IMG_COLOR_STYLED); //imagestring($Image, 2, 2, $Y - 6, round(($I * $VerticalLinesDistance + $MinValue)*$Measure['divider']) / $Measure['divider'], $Black); } */ // Zobraz měřítko X $LastTextEnd = 0; for($Time = $StartTime; $Time < $EndTime; $Time += $MajorTimeMarks) { $X = round(($Time - $StartTime + $TimeShift) / $TimeRange * $Width) % $Width; //imageline($Image, 30, $Y, $Width-1, $Y, IMG_COLOR_STYLED); if(($MajorTimeMarks > 60*60*24)) $Text = date('j.n.Y', $Time + $TimeShift); else $Text = date('j.n.Y G:i', $Time + $TimeShift); $BoundBox = imagettfbbox($FontSize, 0, $FontFile, $Text); if($LastTextEnd < ($X - ($BoundBox[2] - $BoundBox[0] + 20) / 2)) { for($Y=0; $Y < $Height; $Y = $Y + 1) imagesetpixel($Image, $X, $Y, $Gray); imagettftext($Image, $FontSize, 0, $X - ($BoundBox[2] - $BoundBox[0]) / 2, $Height - 2, $Black, $FontFile, $Text); $LastTextEnd = $X + ($BoundBox[2] - $BoundBox[0]) / 2; } else for($Y=0; $Y < $Height; $Y = $Y + 3) imagesetpixel($Image, $X, $Y, $Gray); } // Popisky osy Y for($I=1; $I<=$VerticalLinesCount; $I++) { $Y = $Height - 1 - ($VerticalLinesDistance * $I); //$Y = $Height - 1 - ($VerticalLinesDistance * $I / ($MaxValue - $MinValue) * $K * $Height); $Text = round(($I * $VerticalLinesDistance / $Height / $K * ($MaxValue - $MinValue) + $MinValue)); $BoundBox = imagettfbbox($FontSize, 0, $FontFile, $Text); if(($Y - ($BoundBox[5] - $BoundBox[1]) / 2) > 10) imagettftext($Image, $FontSize, 0, 2, $Y - ($BoundBox[5] - $BoundBox[1]) / 2, $Black, $FontFile, $Text); } $GenerationTime = floor((GetMicrotime() - $StopWatchStart) * 1000 ) / 1000; imagettftext($Image, $FontSize, 0, $Width-94, 14, $Red, $FontFile, "Max. ".$MaxValue.' '.$Measure['unit']); imagettftext($Image, $FontSize, 0, $Width-194, 14, $Green, $FontFile, "Avg. ".$AvgValue.' '.$Measure['unit']); imagettftext($Image, $FontSize, 0, $Width-294, 14, $Blue, $FontFile, "Min. ".$MinValue.' '.$Measure['unit']); imagestring($Image, 2, 50, 20, 'Vygenerováno za '.$GenerationTime.' sekund', $Black); //imagestring($Image, 2, 50, 30, 'Level: '.$Level, $Black); imagettftext($Image, $FontSize, 0, 50, 14, $Black, $FontFile, to_utf8($Measure['description'])); imagerectangle($Image, 0, 0, $Width - 1, $Height - 1, $Black); // Frame border imagepng($Image); imagedestroy($Image); } ?>