public function drawRoundedRectangle($x1, $y1, $x2, $y2, $radius, $color)
{
$color = $this->getColor($color);
$arcRadius = $radius * 2;
imagearc($this->canvas, $x1 + $radius, $y1 + $radius, $arcRadius, $arcRadius, 180, 270, $color);
imagearc($this->canvas, $x1 + $radius, $y2 - $radius, $arcRadius, $arcRadius, 90, 180, $color);
imagearc($this->canvas, $x2 - $radius, $y1 + $radius, $arcRadius, $arcRadius, 270, 0, $color);
imagearc($this->canvas, $x2 - $radius, $y2 - $radius, $arcRadius, $arcRadius, 0, 90, $color);
zbx_imageline($this->canvas, $x1 + $radius, $y1, $x2 - $radius, $y1, $color);
zbx_imageline($this->canvas, $x1 + $radius, $y2, $x2 - $radius, $y2, $color);
zbx_imageline($this->canvas, $x1, $y1 + $radius, $x1, $y2 - $radius, $color);
zbx_imageline($this->canvas, $x2, $y1 + $radius, $x2, $y2 - $radius, $color);
}
function myDrawLine($image, $x1, $y1, $x2, $y2, $color, $drawtype)
{
if ($drawtype == MAP_LINK_DRAWTYPE_BOLD_LINE) {
zbx_imagealine($image, $x1, $y1, $x2, $y2, $color, LINE_TYPE_BOLD);
} elseif ($drawtype == MAP_LINK_DRAWTYPE_DASHED_LINE) {
if (function_exists('imagesetstyle')) {
// use imagesetstyle + imageline instead of bugged ImageDashedLine
$style = array($color, $color, $color, $color, IMG_COLOR_TRANSPARENT, IMG_COLOR_TRANSPARENT, IMG_COLOR_TRANSPARENT, IMG_COLOR_TRANSPARENT);
imagesetstyle($image, $style);
zbx_imageline($image, $x1, $y1, $x2, $y2, IMG_COLOR_STYLED);
} else {
imagedashedline($image, $x1, $y1, $x2, $y2, $color);
}
} elseif ($drawtype == MAP_LINK_DRAWTYPE_DOT && function_exists('imagesetstyle')) {
$style = array($color, IMG_COLOR_TRANSPARENT, IMG_COLOR_TRANSPARENT, IMG_COLOR_TRANSPARENT);
imagesetstyle($image, $style);
zbx_imageline($image, $x1, $y1, $x2, $y2, IMG_COLOR_STYLED);
} else {
zbx_imagealine($image, $x1, $y1, $x2, $y2, $color);
}
}
protected function drawElement(&$data, $from, $to, $minX, $maxX, $minY, $maxY, $drawtype, $max_color, $avg_color, $min_color, $minmax_color, $calc_fnc, $axisside)
{
if (!isset($data['max'][$from]) || !isset($data['max'][$to])) {
return;
}
$oxy = $this->oxy[$axisside];
$zero = $this->zero[$axisside];
$unit2px = $this->unit2px[$axisside];
$shift_min_from = $shift_min_to = 0;
$shift_max_from = $shift_max_to = 0;
$shift_avg_from = $shift_avg_to = 0;
if (isset($data['shift_min'][$from])) {
$shift_min_from = $data['shift_min'][$from];
}
if (isset($data['shift_min'][$to])) {
$shift_min_to = $data['shift_min'][$to];
}
if (isset($data['shift_max'][$from])) {
$shift_max_from = $data['shift_max'][$from];
}
if (isset($data['shift_max'][$to])) {
$shift_max_to = $data['shift_max'][$to];
}
if (isset($data['shift_avg'][$from])) {
$shift_avg_from = $data['shift_avg'][$from];
}
if (isset($data['shift_avg'][$to])) {
$shift_avg_to = $data['shift_avg'][$to];
}
$min_from = $data['min'][$from] + $shift_min_from;
$min_to = $data['min'][$to] + $shift_min_to;
$max_from = $data['max'][$from] + $shift_max_from;
$max_to = $data['max'][$to] + $shift_max_to;
$avg_from = $data['avg'][$from] + $shift_avg_from;
$avg_to = $data['avg'][$to] + $shift_avg_to;
$x1 = $from + $this->shiftXleft - 1;
$x2 = $to + $this->shiftXleft;
$y1min = $zero - ($min_from - $oxy) / $unit2px;
$y2min = $zero - ($min_to - $oxy) / $unit2px;
$y1max = $zero - ($max_from - $oxy) / $unit2px;
$y2max = $zero - ($max_to - $oxy) / $unit2px;
$y1avg = $zero - ($avg_from - $oxy) / $unit2px;
$y2avg = $zero - ($avg_to - $oxy) / $unit2px;
switch ($calc_fnc) {
case CALC_FNC_MAX:
$y1 = $y1max;
$y2 = $y2max;
$shift_from = $shift_max_from;
$shift_to = $shift_max_to;
break;
case CALC_FNC_MIN:
$y1 = $y1min;
$y2 = $y2min;
$shift_from = $shift_min_from;
$shift_to = $shift_min_to;
break;
case CALC_FNC_ALL:
// max
$y1x = $y1max > $this->sizeY + $this->shiftY || $y1max < $this->shiftY;
$y2x = $y2max > $this->sizeY + $this->shiftY || $y2max < $this->shiftY;
if ($y1x) {
$y1max = $y1max > $this->sizeY + $this->shiftY ? $this->sizeY + $this->shiftY : $this->shiftY;
}
if ($y2x) {
$y2max = $y2max > $this->sizeY + $this->shiftY ? $this->sizeY + $this->shiftY : $this->shiftY;
}
// min
$y1n = $y1min > $this->sizeY + $this->shiftY || $y1min < $this->shiftY;
$y2n = $y2min > $this->sizeY + $this->shiftY || $y2min < $this->shiftY;
if ($y1n) {
$y1min = $y1min > $this->sizeY + $this->shiftY ? $this->sizeY + $this->shiftY : $this->shiftY;
}
if ($y2n) {
$y2min = $y2min > $this->sizeY + $this->shiftY ? $this->sizeY + $this->shiftY : $this->shiftY;
}
$a[0] = $x1;
$a[1] = $y1max;
$a[2] = $x1;
$a[3] = $y1min;
$a[4] = $x2;
$a[5] = $y2min;
$a[6] = $x2;
$a[7] = $y2max;
// don't use break, avg must be drawn in this statement
// don't use break, avg must be drawn in this statement
case CALC_FNC_AVG:
// don't use break, avg must be drawn in this statement
// don't use break, avg must be drawn in this statement
default:
$y1 = $y1avg;
$y2 = $y2avg;
$shift_from = $shift_avg_from;
$shift_to = $shift_avg_to;
}
$shift_from -= $shift_from != 0 ? $oxy : 0;
$shift_to -= $shift_to != 0 ? $oxy : 0;
$y1_shift = $zero - $shift_from / $unit2px;
$y2_shift = $zero - $shift_to / $unit2px;
if (!$this->limitToBounds($y1, $y2, $this->shiftY, $this->sizeY, $drawtype)) {
return true;
}
if (!$this->limitToBounds($y1_shift, $y2_shift, $this->shiftY, $this->sizeY, $drawtype)) {
return true;
}
// draw main line
switch ($drawtype) {
case GRAPH_ITEM_DRAWTYPE_BOLD_LINE:
if ($calc_fnc == CALC_FNC_ALL) {
imagefilledpolygon($this->im, $a, 4, $minmax_color);
if (!$y1x || !$y2x) {
zbx_imagealine($this->im, $x1, $y1max, $x2, $y2max, $max_color, LINE_TYPE_BOLD);
}
if (!$y1n || !$y2n) {
zbx_imagealine($this->im, $x1, $y1min, $x2, $y2min, $min_color, LINE_TYPE_BOLD);
}
}
zbx_imagealine($this->im, $x1, $y1, $x2, $y2, $avg_color, LINE_TYPE_BOLD);
break;
case GRAPH_ITEM_DRAWTYPE_LINE:
if ($calc_fnc == CALC_FNC_ALL) {
imagefilledpolygon($this->im, $a, 4, $minmax_color);
if (!$y1x || !$y2x) {
zbx_imagealine($this->im, $x1, $y1max, $x2, $y2max, $max_color);
}
if (!$y1n || !$y2n) {
zbx_imagealine($this->im, $x1, $y1min, $x2, $y2min, $min_color);
}
}
zbx_imagealine($this->im, $x1, $y1, $x2, $y2, $avg_color);
break;
case GRAPH_ITEM_DRAWTYPE_FILLED_REGION:
$a[0] = $x1;
$a[1] = $y1;
$a[2] = $x1;
$a[3] = $y1_shift;
$a[4] = $x2;
$a[5] = $y2_shift;
$a[6] = $x2;
$a[7] = $y2;
imagefilledpolygon($this->im, $a, 4, $avg_color);
break;
case GRAPH_ITEM_DRAWTYPE_DOT:
imagefilledrectangle($this->im, $x1 - 1, $y1 - 1, $x1, $y1, $avg_color);
break;
case GRAPH_ITEM_DRAWTYPE_BOLD_DOT:
imagefilledrectangle($this->im, $x2 - 1, $y2 - 1, $x2 + 1, $y2 + 1, $avg_color);
break;
case GRAPH_ITEM_DRAWTYPE_DASHED_LINE:
if (function_exists('imagesetstyle')) {
// use imagesetstyle+imageline instead of bugged imagedashedline
$style = array($avg_color, $avg_color, IMG_COLOR_TRANSPARENT, IMG_COLOR_TRANSPARENT);
imagesetstyle($this->im, $style);
zbx_imageline($this->im, $x1, $y1, $x2, $y2, IMG_COLOR_STYLED);
} else {
imagedashedline($this->im, $x1, $y1, $x2, $y2, $avg_color);
}
break;
case GRAPH_ITEM_DRAWTYPE_GRADIENT_LINE:
imageLine($this->im, $x1, $y1, $x2, $y2, $avg_color);
// draw the initial line
imageLine($this->im, $x1, $y1 - 1, $x2, $y2 - 1, $avg_color);
$bitmask = 255;
$blue = $avg_color & $bitmask;
// $blue_diff = 255 - $blue;
$bitmask = $bitmask << 8;
$green = ($avg_color & $bitmask) >> 8;
// $green_diff = 255 - $green;
$bitmask = $bitmask << 8;
$red = ($avg_color & $bitmask) >> 16;
// $red_diff = 255 - $red;
// note: though gradients on the chart looks ok, the formula used is completely incorrect
// if you plan to fix something here, it would be better to start from scratch
$maxAlpha = 110;
$startAlpha = 50;
$alphaRatio = $maxAlpha / ($this->sizeY - $startAlpha);
$diffX = $x1 - $x2;
for ($i = 0; $i <= $diffX; $i++) {
$Yincr = $diffX > 0 ? abs($y2 - $y1) / $diffX : 0;
$gy = $y1 > $y2 ? $y2 + $Yincr * $i : $y2 - $Yincr * $i;
$steps = $this->sizeY + $this->shiftY - $gy + 1;
for ($j = 0; $j < $steps; $j++) {
if ($gy + $j < $this->shiftY + $startAlpha) {
$alpha = 0;
} else {
$alpha = 127 - abs(127 - $alphaRatio * ($gy + $j - $this->shiftY - $startAlpha));
}
$color = imagecolorexactalpha($this->im, $red, $green, $blue, $alpha);
imagesetpixel($this->im, $x2 + $i, $gy + $j, $color);
}
}
break;
}
}
public function drawSmallRectangle()
{
$gbColor = $this->getColor($this->graphtheme['gridbordercolor'], 0);
imagefilledrectangle($this->im, $this->shiftXleft + $this->shiftXCaptionLeft - 1, $this->shiftY - 1 + $this->shiftYCaptionTop, $this->sizeX + $this->shiftXleft + $this->shiftXCaptionLeft - 1, $this->sizeY + $this->shiftY + 1 + $this->shiftYCaptionTop, $this->getColor($this->graphtheme['graphcolor'], 0));
dashedRectangle($this->im, $this->shiftXleft + $this->shiftXCaptionLeft - 1, $this->shiftY - 1 + $this->shiftYCaptionTop, $this->sizeX + $this->shiftXleft + $this->shiftXCaptionLeft - 1, $this->sizeY + $this->shiftY + 1 + $this->shiftYCaptionTop, $this->getColor($this->graphtheme['gridcolor'], 0));
zbx_imageline($this->im, $this->shiftXleft + $this->shiftXCaptionLeft - 1, $this->shiftY - 5, $this->shiftXleft + $this->shiftXCaptionLeft - 1, $this->sizeY + $this->shiftY + 4, $gbColor);
$sides = array();
if ($this->axisSideLeft) {
$sides[] = GRAPH_YAXIS_SIDE_LEFT;
}
if ($this->axisSideRight) {
$sides[] = GRAPH_YAXIS_SIDE_RIGHT;
}
foreach ($sides as $axis) {
if ($axis == GRAPH_YAXIS_SIDE_LEFT) {
$sideCorrection = -1;
$triangle = 0;
} else {
$sideCorrection = $this->sizeX;
$triangle = $this->sizeX + 1;
}
zbx_imageline($this->im, $this->shiftXCaptionLeft + $this->shiftXleft + $sideCorrection, $this->shiftY - 5, $this->shiftXCaptionLeft + $this->shiftXleft + $sideCorrection, $this->sizeY + $this->shiftY + 4, $this->getColor($this->graphtheme['gridbordercolor'], 0));
imagefilledpolygon($this->im, array($this->shiftXleft + $this->shiftXCaptionLeft + $triangle - 4, $this->shiftY - 5, $this->shiftXleft + $this->shiftXCaptionLeft + $triangle + 2, $this->shiftY - 5, $this->shiftXleft + $this->shiftXCaptionLeft + $triangle - 1, $this->shiftY - 10), 3, $this->getColor('White'));
imagepolygon($this->im, array($this->shiftXleft + $this->shiftXCaptionLeft + $triangle - 4, $this->shiftY - 5, $this->shiftXleft + $this->shiftXCaptionLeft + $triangle + 2, $this->shiftY - 5, $this->shiftXleft + $this->shiftXCaptionLeft + $triangle - 1, $this->shiftY - 10), 3, $this->getColor($this->graphtheme['gridbordercolor'], 0));
}
zbx_imageline($this->im, $this->shiftXleft + $this->shiftXCaptionLeft - 4, $this->sizeY + $this->shiftY + 1, $this->sizeX + $this->shiftXleft + $this->shiftXCaptionLeft + 5, $this->sizeY + $this->shiftY + 1, $gbColor);
imagefilledpolygon($this->im, array($this->sizeX + $this->shiftXleft + $this->shiftXCaptionLeft + 5, $this->sizeY + $this->shiftY - 2, $this->sizeX + $this->shiftXleft + $this->shiftXCaptionLeft + 5, $this->sizeY + $this->shiftY + 4, $this->sizeX + $this->shiftXleft + $this->shiftXCaptionLeft + 10, $this->sizeY + $this->shiftY + 1), 3, $this->getColor('White'));
// draw X axis triangle
zbx_imageline($this->im, $this->sizeX + $this->shiftXleft + $this->shiftXCaptionLeft + 5, $this->sizeY + $this->shiftY - 2, $this->sizeX + $this->shiftXleft + $this->shiftXCaptionLeft + 5, $this->sizeY + $this->shiftY + 4, $gbColor);
zbx_imagealine($this->im, $this->sizeX + $this->shiftXleft + $this->shiftXCaptionLeft + 5, $this->sizeY + $this->shiftY + 4, $this->sizeX + $this->shiftXleft + $this->shiftXCaptionLeft + 10, $this->sizeY + $this->shiftY + 1, $gbColor);
zbx_imagealine($this->im, $this->sizeX + $this->shiftXleft + $this->shiftXCaptionLeft + 10, $this->sizeY + $this->shiftY + 1, $this->sizeX + $this->shiftXleft + $this->shiftXCaptionLeft + 5, $this->sizeY + $this->shiftY - 2, $gbColor);
}
function dashedLine($image, $x1, $y1, $x2, $y2, $color)
{
// style for dashed lines
if (!is_array($color)) {
$style = array($color, $color, IMG_COLOR_TRANSPARENT, IMG_COLOR_TRANSPARENT);
} else {
$style = $color;
}
imagesetstyle($image, $style);
zbx_imageline($image, $x1, $y1, $x2, $y2, IMG_COLOR_STYLED);
}
