diff --git a/codepot/src/codepot/libraries/Makefile.am b/codepot/src/codepot/libraries/Makefile.am index 420a52a0..3289591f 100644 --- a/codepot/src/codepot/libraries/Makefile.am +++ b/codepot/src/codepot/libraries/Makefile.am @@ -4,9 +4,7 @@ www_DATA = \ index.html \ Lang_detect.php \ issuehelper.php \ - wikihelper.php \ - phpgraphlib.php \ - phpgraphlibpie.php + wikihelper.php EXTRA_DIST = $(www_DATA) diff --git a/codepot/src/codepot/libraries/phpgraphlib.php b/codepot/src/codepot/libraries/phpgraphlib.php deleted file mode 100644 index d09f8d7e..00000000 --- a/codepot/src/codepot/libraries/phpgraphlib.php +++ /dev/null @@ -1,1686 +0,0 @@ -width = $params['width']; - $this->height = $params['height']; - if (array_key_exists('output_file', $params)) - $this->output_file = $params['output_file']; - else - $this->output_file = null; - $this->initialize(); - $this->allocateColors(); - } - - /* - public function __construct($width, $height, $output_file = null) - { - $this->width = $width; - $this->height = $height; - $this->output_file = $output_file; - $this->initialize(); - $this->allocateColors(); - } - */ - - protected function initialize() - { - //header must be sent before any html or blank space output - if (!$this->output_file) { - header("Content-type: image/png"); - } - - $this->image = @imagecreate($this->width, $this->height) - or die("Cannot Initialize new GD image stream - Check your PHP setup"); - } - - public function createGraph() - { - //main class method - called last - //setup axis if not already setup by user - if ($this->bool_data){ - $this->analyzeData(); - if (!$this->bool_x_axis_setup) { - $this->setupXAxis(); - } - if (!$this->bool_y_axis_setup){ - $this->setupYAxis(); - } - - //calculations - $this->calcTopMargin(); - $this->calcRightMargin(); - $this->calcCoords(); - $this->setupData(); - - //start creating actual image elements - if ($this->bool_background) { - $this->generateBackgound(); - } - - //always gen grid values, even if not displayed - $this->setupGrid(); - - if ($this->bool_bars_generate) { - $this->generateBars(); - } - if ($this->bool_data_points) { - $this->generateDataPoints(); - } - if ($this->bool_legend) { - $this->generateLegend(); - } - if ($this->bool_title) { - $this->generateTitle(); - } - if ($this->bool_x_axis) { - $this->generateXAxis(); - } - if ($this->bool_y_axis) { - $this->generateYAxis(); - } - } else { - $this->error[] = "No valid data added to graph. Add data with the addData() function."; - } - - //display errors - $this->displayErrors(); - - //output to browser - if ($this->output_file) { - imagepng($this->image, $this->output_file); - } else { - imagepng($this->image); - } - imagedestroy($this->image); - } - - protected function setupData() - { - if ($this->bool_bar_space) - { - $unit_width = ($this->width - $this->y_axis_margin - $this->right_margin) / (($this->data_count * 2) + $this->data_count); - } - else - { - $unit_width = ($this->width - $this->y_axis_margin - $this->right_margin) / (($this->data_count * 2) + 1); - } - - if ($unit_width < 1 && !$this->bool_ignore_data_fit_errors) { - //error units too small, too many data points or not large enough graph - $this->bool_bars_generate = false; - $this->error[] = "Graph too small or too many data points."; - } else { - - //default space between bars is 1/2 the width of the bar - //find bar and space widths. bar = 2 units, space = 1 unit - $this->bar_width = 2 * $unit_width; - $this->space_width = ($this->bool_bar_space)? $unit_width: 0; - - //now calculate height (scale) units - $availVertSpace = $this->height - $this->x_axis_margin - $this->top_margin; - if ($availVertSpace < 1) { - $this->bool_bars_generate = false; - $this->error[] = "Graph height not tall enough."; - //error scale units too small, x axis margin too big or graph height not tall enough - } else { - if ($this->bool_user_data_range) { - //if all zero data, set fake max and min to range boundaries - if ($this->all_zero_data) { - if ($this->data_range_min > $this->data_min) { - $this->data_min = $this->data_range_min; - } - if ($this->data_range_max < $this->data_max) { - $this->data_max = $this->data_range_max; - } - } - - $graphTopScale = $this->data_range_max; - $graphBottomScale = $this->data_range_min; - $graphScaleRange = $graphTopScale - $graphBottomScale; - $this->unit_scale = $availVertSpace / $graphScaleRange; - $this->data_max = $this->data_range_max; - $this->data_min = $this->data_range_min; - if ($this->data_min < 0) { - $this->x_axis_y1 -= round($this->unit_scale * abs($this->data_min)); - $this->x_axis_y2 -= round($this->unit_scale * abs($this->data_min)); - } - //all data identical - if ($graphScaleRange == 0) { - $graphScaleRange = 100; - } - } else { - //start at y value 0 or data min, whichever is less - $graphBottomScale = ($this->data_min<0) ? $this->data_min : 0; - $graphTopScale = ($this->data_max<0) ? 0 : $this->data_max ; - $graphScaleRange = $graphTopScale - $graphBottomScale; - - //all data identical - if ($graphScaleRange == 0) { - $graphScaleRange = 100; - } - $this->unit_scale = $availVertSpace / $graphScaleRange; - //now adjust x axis in y value if negative values - if ($this->data_min < 0) { - $this->x_axis_y1 -= round($this->unit_scale * abs($this->data_min)); - $this->x_axis_y2 -= round($this->unit_scale * abs($this->data_min)); - } - } - } - } - } - - //always port changes to generatebars() to extensions - protected function generateBars() - { - $this->finalizeColors(); - - $barCount = 0; - $adjustment = 0; - if ($this->bool_user_data_range && $this->data_min >= 0) { - $adjustment = $this->data_min * $this->unit_scale; - } - - //reverse array to order data sets in order of priority - $this->data_array = array_reverse($this->data_array); - - //set different offsets based on number of data sets - $dataset_offset = 0; - switch ($this->data_set_count) { - case 2: - $dataset_offset = $this->bar_width * (self::MULTI_OFFSET_TWO / 100); - break; - case 3: - $dataset_offset = $this->bar_width * (self::MULTI_OFFSET_THREE / 100); - break; - case 4: - $dataset_offset = $this->bar_width * (self::MULTI_OFFSET_FOUR / 100); - break; - case 5: - $dataset_offset = $this->bar_width * (self::MULTI_OFFSET_FIVE / 100); - break; - } - - foreach ($this->data_array as $data_set_num => $data_set) { - $lineX2 = null; - $xStart = $this->y_axis_x1 + ($this->space_width / 2); - - $y1 = 0; - $y2 = 0; - foreach ($data_set as $key => $item) { - $hideBarOutline = false; - - $old_y1 = $y1; - $old_y2 = $y2; - $x1 = round($xStart + ($dataset_offset * $data_set_num)); - $x2 = round(($xStart + $this->bar_width) + ($dataset_offset * $data_set_num)); - $y1 = round($this->x_axis_y1 - ($item * $this->unit_scale) + $adjustment); - $y2 = round($this->x_axis_y1); - - //if we are using a user specified data range, need to limit what's displayed - if ($this->bool_user_data_range) { - if ($item <= $this->data_range_min) { - //don't display, we are out of our allowed display range! - $y1 = $y2; - $hideBarOutline = true; - } elseif ($item >= $this->data_range_max) { - //display, but cut off display above range max - $y1 = $this->x_axis_y1 - ($this->actual_displayed_max_value * $this->unit_scale) + $adjustment; - } - } - //draw bar - if ($this->bool_bars) { - if ($this->bool_gradient) { - //draw gradient if desired - $this->drawGradientBar($x1, $y1, $x2, $y2, $this->multi_gradient_colors_1[$data_set_num], $this->multi_gradient_colors_2[$data_set_num], $data_set_num); - } else { - imagefilledrectangle($this->image, $x1, $y1,$x2, $y2, $this->multi_bar_colors[$data_set_num]); - } - //draw bar outline - if ($this->bool_bar_outline && !$hideBarOutline) { - - - if ($this->bool_bar_space) - { - imagerectangle($this->image, $x1, $y2, $x2, $y1, $this->outline_color); - } - else - { - imageline ($this->image, $x1, $old_y1, $x1, $y1, $this->outline_color); - imageline ($this->image, $x1, $y1, $x2, $y1, $this->outline_color); - } - } - - } - // draw line - if ($this->bool_line) { - $lineX1 = $x1 + ($this->bar_width / 2); //MIDPOINT OF BARS, IF SHOWN - $lineY1 = $y1; - if (isset($lineX2)) { - imageline($this->image, $lineX2, $lineY2, $lineX1, $lineY1, $this->line_color[$data_set_num]); - $lineX2 = $lineX1; - $lineY2 = $lineY1; - } else { - $lineX2 = $lineX1; - $lineY2 = $lineY1; - } - } - // display data points - if ($this->bool_data_points) { - //dont draw datapoints here or will overlap poorly with line - //instead collect coordinates - $pointX = $x1 + ($this->bar_width / 2); //MIDPOINT OF BARS, IF SHOWN - $this->data_point_array[] = array($pointX, $y1); - } - // display data values - if ($this->bool_data_values) { - $dataX = ($x1 + ($this->bar_width / 2)) - ((strlen($item) * self::DATA_VALUE_TEXT_WIDTH) / 2); - //value to be graphed is equal/over 0 - if ($item >= 0) { - $dataY = $y1 - self::DATA_VALUE_PADDING - self::DATA_VALUE_TEXT_HEIGHT; - } else { - //check for item values below user spec'd range - if ($this->bool_user_data_range && $item <= $this->data_range_min) { - $dataY = $y1 - self::DATA_VALUE_PADDING - self::DATA_VALUE_TEXT_HEIGHT; - } else { - $dataY = $y1 + self::DATA_VALUE_PADDING; - } - } - //add currency sign, formatting etc - if ($this->data_format_array) { - $item = $this->applyDataFormats($item); - } - if ($this->data_currency) { - $item = $this->applyDataCurrency($item); - } - //recenter data position if necessary - $dataX -= ($this->data_additional_length * self::DATA_VALUE_TEXT_WIDTH) / 2; - imagestring($this->image, 2, $dataX, $dataY, $item, $this->data_value_color); - } - //write x axis value - if ($this->bool_x_axis_values) { - if ($data_set_num == $this->data_set_count - 1) { - if ($this->bool_x_axis_values_vert) { - if ($this->bool_all_negative) { - //we must put values above 0 line - $textVertPos = round($this->y_axis_y2 - self::AXIS_VALUE_PADDING); - } else { - //mix of both pos and neg numbers - //write value y axis bottom value (will be under bottom of grid even if x axis is floating due to - $textVertPos = round($this->y_axis_y1 + (strlen($key) * self::TEXT_WIDTH) + self::AXIS_VALUE_PADDING); - } - $textHorizPos = round($xStart + ($this->bar_width / 2) - (self::TEXT_HEIGHT / 2)); - - //skip and dispplay every x intervals - if ($this->x_axis_value_interval) { - if ($this->x_axis_value_interval_counter < $this->x_axis_value_interval) { - $this->x_axis_value_interval_counter++; - } else { - imagestringup($this->image, 2, $textHorizPos, $textVertPos, $key, $this->x_axis_text_color); - $this->x_axis_value_interval_counter = 0; - } - } - else { - imagestringup($this->image, 2, $textHorizPos, $textVertPos, $key, $this->x_axis_text_color); - } - } - else { - if ($this->bool_all_negative) { - //we must put values above 0 line - $textVertPos = round($this->y_axis_y2 - self::TEXT_HEIGHT - self::AXIS_VALUE_PADDING); - } else { - //mix of both pos and neg numbers - //write value y axis bottom value (will be under bottom of grid even if x axis is floating due to - $textVertPos = round($this->y_axis_y1 + (self::TEXT_HEIGHT * 2 / 3) - self::AXIS_VALUE_PADDING); - } - //horizontal data keys - $textHorizPos = round($xStart + ($this->bar_width / 2) - ((strlen($key) * self::TEXT_WIDTH) / 2)); - - - //skip and dispplay every x intervals - if ($this->x_axis_value_interval) { - if ($this->x_axis_value_interval_counter < $this->x_axis_value_interval) { - $this->x_axis_value_interval_counter++; - } else { - imagestring($this->image, 2, $textHorizPos, $textVertPos, $key, $this->x_axis_text_color); - $this->x_axis_value_interval_counter = 0; - } - } else { - imagestring($this->image, 2, $textHorizPos, $textVertPos, $key, $this->x_axis_text_color); - } - } - } - } - - - if ($this->bool_bar_outline && !$hideBarOutline && !$this->bool_bar_space) - { - imageline ($this->image, $x2, $y1, $x2, $y2, $this->outline_color); - } - - $xStart += $this->bar_width + $this->space_width; - } - } - } - - protected function finalizeColors() - { - if ($this->bool_gradient) { - $num_set=count($this->multi_gradient_colors_1); - //loop through set colors and add backing colors if necessary - if ($num_set != $this->data_set_count) { - $color_darken_decimal = (100 - $this->color_darken_factor) / 100; - while ($num_set < $this->data_set_count) { - $color_ref_1 = $this->multi_gradient_colors_1[$num_set - 1]; - $color_ref_2 = $this->multi_gradient_colors_2[$num_set - 1]; - $this->multi_gradient_colors_1[] = array( - round($color_ref_1[0] * $color_darken_decimal), - round($color_ref_1[1] * $color_darken_decimal), - round($color_ref_1[2] * $color_darken_decimal)); - $this->multi_gradient_colors_2[]=array( - round($color_ref_2[0] * $color_darken_decimal), - round($color_ref_2[1] * $color_darken_decimal), - round($color_ref_2[2] * $color_darken_decimal)); - $num_set++; - } - } - while (count($this->multi_gradient_colors_1) > $this->data_set_count) { - $temp = array_pop($this->multi_gradient_colors_1); - } - while (count($this->multi_gradient_colors_2) > $this->data_set_count) { - $temp = array_pop($this->multi_gradient_colors_2); - } - $this->multi_gradient_colors_1 = array_reverse($this->multi_gradient_colors_1); - $this->multi_gradient_colors_2 = array_reverse($this->multi_gradient_colors_2); - } elseif (!$this->bool_gradient) { - $num_set = count($this->multi_bar_colors); - if ($num_set == 0) { - $this->multi_bar_colors[0] = $this->bar_color; - $num_set = 1; - } - //loop through set colors and add backing colors if necessary - while ($num_set < $this->data_set_count) { - $color_ref = $this->multi_bar_colors[$num_set - 1]; - $color_parts = imagecolorsforindex($this->image, $color_ref); - $color_darken_decimal = (100 - $this->color_darken_factor) / 100; - $this->multi_bar_colors[$num_set] = imagecolorallocate($this->image, - round($color_parts['red'] * $color_darken_decimal), - round($color_parts['green'] * $color_darken_decimal), - round($color_parts['blue'] * $color_darken_decimal)); - $num_set++; - } - while (count($this->multi_bar_colors) > $this->data_set_count) { - $temp = array_pop($this->multi_bar_colors); - } - $this->multi_bar_colors = array_reverse($this->multi_bar_colors); - } - if ($this->bool_line) { - if (!$this->bool_bars) { - $num_set = count($this->line_color); - if ($num_set == 0) { - $this->line_color[0] = $this->line_color_default; - $num_set = 1; - } - //only darken each data set's lines when no bars present - while ($num_set < $this->data_set_count) { - $color_ref = $this->line_color[$num_set - 1]; - $color_parts = imagecolorsforindex($this->image, $color_ref); - $color_darken_decimal = (100 - $this->color_darken_factor) / 100; - $this->line_color[$num_set] = imagecolorallocate($this->image, - round($color_parts['red'] * $color_darken_decimal), - round($color_parts['green'] * $color_darken_decimal), - round($color_parts['blue'] * $color_darken_decimal)); - $num_set++; - } - } else { - $num_set = count($this->line_color); - while ($num_set < $this->data_set_count) { - $this->line_color[$num_set] = $this->line_color_default; - $num_set++; - } - } - while (count($this->line_color) > $this->data_set_count) { - $temp = array_pop($this->line_color); - } - $this->line_color = array_reverse($this->line_color); - } - } - - protected function drawGradientBar($x1, $y1, $x2, $y2, $colorArr1, $colorArr2, $data_set_num) - { - if (!isset($this->bool_gradient_colors_found[$data_set_num]) || $this->bool_gradient_colors_found[$data_set_num] == false) { - $this->gradient_handicap[$data_set_num] = 0; - $numLines = abs($x1 - $x2) + 1; - while ($numLines * $this->data_set_count > self::GRADIENT_MAX_COLORS) { - //we have more lines than allowable colors - //use handicap to record this - $numLines /= 2; - $this->gradient_handicap[$data_set_num]++; - } - $color1R = $colorArr1[0]; - $color1G = $colorArr1[1]; - $color1B = $colorArr1[2]; - $color2R = $colorArr2[0]; - $color2G = $colorArr2[1]; - $color2B = $colorArr2[2]; - $rScale = ($color1R-$color2R) / $numLines; - $gScale = ($color1G-$color2G) / $numLines; - $bScale = ($color1B-$color2B) / $numLines; - $this->allocateGradientColors($color1R, $color1G, $color1B, $rScale, $gScale, $bScale, $numLines, $data_set_num); - } - $numLines = abs($x1 - $x2) + 1; - if ($this->gradient_handicap[$data_set_num] > 0) { - //if handicap is used, it will allow us to move through the array more slowly, depending on the set value - $interval = $this->gradient_handicap[$data_set_num]; - for($i = 0; $i < $numLines; $i++) { - $adjusted_index = ceil($i / pow(2, $interval)) - 1; - if ($adjusted_index < 0) { - $adjusted_index = 0; - } - imageline($this->image, $x1+$i, $y1, $x1 + $i, $y2, $this->gradient_color_array[$data_set_num][$adjusted_index]); - } - } else { - //normal gradients with colors < self::GRADIENT_MAX_COLORS - for ($i = 0; $i < $numLines; $i++) { - imageline($this->image, $x1+$i, $y1, $x1+$i, $y2, $this->gradient_color_array[$data_set_num][$i]); - } - } - } - - protected function setupGrid() - { - //adjustment for when user sets their data display range - $adjustment = 0; - if ($this->bool_user_data_range && $this->data_min >= 0) { - $adjustment = $this->data_min * $this->unit_scale; - } - - $this->calculateGridHoriz($adjustment); - $this->calculateGridVert(); - $this->generateGrids(); - $this->generateGoalLines($adjustment); - } - - protected function calculateGridHoriz($adjustment = 0) - { - //determine horizontal grid lines - $horizGridArray = array(); - $min = $this->bool_user_data_range ? $this->data_min : 0; - $horizGridArray[] = $min; - - //use our function to determine ideal y axis scale interval - $intervalFromZero = $this->determineAxisMarkerScale($this->data_max, $this->data_min); - - //if we have positive values, add grid values to array - //until we reach the max needed (we will go 1 over) - $cur = $min; - while ($cur < $this->data_max) { - $cur += $intervalFromZero; - $horizGridArray[] = $cur; - } - - //if we have negative values, add grid values to array - //until we reach the min needed (we will go 1 over) - $cur = $min; - while ($cur > $this->data_min) { - $cur -= $intervalFromZero; - $horizGridArray[] = $cur; - } - - //sort needed b/c we will use last value later (max) - sort($horizGridArray); - $this->actual_displayed_max_value = $horizGridArray[count($horizGridArray) - 1]; - $this->actual_displayed_min_value = $horizGridArray[0]; - - //loop through each horizontal line - foreach ($horizGridArray as $value) { - $yValue = round($this->x_axis_y1 - ($value * $this->unit_scale) + $adjustment); - //if ($this->bool_grid) { - if ($this->bool_grid_horizontal) { - //imageline($this->image, $this->y_axis_x1, $yValue, $this->x_axis_x2 , $yValue, $this->grid_color); - $this->horiz_grid_lines[] = array('x1' => $this->y_axis_x1, 'y1' => $yValue, - 'x2' => $this->x_axis_x2, 'y2' => $yValue, 'color' => $this->grid_color); - } - //display value on y axis if desired using calc'd grid values - if ($this->bool_y_axis_values) { - $adjustedYValue = $yValue - (self::TEXT_HEIGHT / 2); - $adjustedXValue = $this->y_axis_x1 - ((strlen($value) + $this->data_additional_length) * self::TEXT_WIDTH) - self::AXIS_VALUE_PADDING; - //add currency sign, formatting etc - if ($this->data_format_array) { - $value = $this->applyDataFormats($value); - } - if ($this->data_currency) { - $value = $this->applyDataCurrency($value); - } - //imagestring($this->image, 2, $adjustedXValue, $adjustedYValue, $value, $this->y_axis_text_color); - $this->horiz_grid_values[] = array('size' => 2, 'x' => $adjustedXValue, 'y' => $adjustedYValue, - 'value' => $value, 'color' => $this->y_axis_text_color); - } - } - if (!$this->bool_all_positive && !$this->bool_user_data_range) { - //reset with better value based on grid min value calculations, not data min - $this->y_axis_y1 = $this->x_axis_y1 - ($horizGridArray[0] * $this->unit_scale); - } - //reset with better value based on grid value calculations, not data min - $this->y_axis_y2 = $yValue; - } - - protected function calculateGridVert() - { - //determine vertical grid lines - $vertGridArray = array(); - $vertGrids = $this->data_count + 1; - $interval = $this->bar_width + $this->space_width; - //assemble vert gridline array - for ($i = 1; $i < $vertGrids; $i++) { - $vertGridArray[] = $this->y_axis_x1 + ($interval * $i); - } - - //loop through each vertical line - //if ($this->bool_grid) { - if ($this->bool_grid_vertical) { - $xValue = $this->y_axis_y1; - foreach ($vertGridArray as $value) { - //imageline($this->image, $value, $this->y_axis_y2, $value, $xValue , $this->grid_color); - $this->vert_grid_lines[] = array('x1' => $value, 'y1' => $this->y_axis_y2, - 'x2' => $value, 'y2' => $xValue, 'color' => $this->grid_color); - } - } - } - - protected function imagelinedashed(&$image_handle, $x_axis_x1, $yLocation, $x_axis_x2 , $ygLocation, $color) - { - $step = 3; - for ($i = $x_axis_x1; $i < $x_axis_x2 -1; $i += ($step*2)) { - imageline($this->image, $i, $yLocation, $i + $step - 1, $yLocation, $color); - } - } - - protected function generateGrids() - { - //loop through and display values - foreach ($this->horiz_grid_lines as $line) { - imageline($this->image, $line['x1'], $line['y1'], $line['x2'], $line['y2'] , $line['color']); - } - foreach ($this->vert_grid_lines as $line) { - imageline($this->image, $line['x1'], $line['y1'], $line['x2'], $line['y2'] , $line['color']); - } - foreach ($this->horiz_grid_values as $value) { - imagestring($this->image, $value['size'], $value['x'], $value['y'], $value['value'], $value['color']); - } - //not implemented in the base library, but used in extensions - foreach ($this->vert_grid_values as $value) { - imagestring($this->image, $value['size'], $value['x'], $value['y'], $value['value'], $value['color']); - } - } - - protected function generateGoalLines($adjustment = 0) - { - //draw goal lines if present (after grid) - doesn't get executed if array empty - foreach ($this->goal_line_array as $goal_line_data) { - $yLocation = $goal_line_data['yValue']; - $style = $goal_line_data['style']; - $color = $goal_line_data['color'] ? $goal_line_data['color'] : $this->goal_line_color; - $yLocation = round(($this->x_axis_y1 - ($yLocation * $this->unit_scale) + $adjustment)); - - if ($style == 'dashed') { - $this->imagelinedashed($this->image, $this->x_axis_x1, $yLocation, $this->x_axis_x2 , $yLocation, $color); - } else { - //a solid line is the default if a style condition is not matched - imageline($this->image, $this->x_axis_x1, $yLocation, $this->x_axis_x2 , $yLocation, $color); - } - } - } - - protected function generateDataPoints() - { - foreach ($this->data_point_array as $pointArray) { - imagefilledellipse($this->image, $pointArray[0], $pointArray[1], $this->data_point_width, $this->data_point_width, $this->data_point_color); - } - } - - protected function generateXAxis() - { - imageline($this->image, $this->x_axis_x1, $this->x_axis_y1, $this->x_axis_x2, $this->x_axis_y2, $this->x_axis_color); - } - - protected function generateYAxis() - { - imageline($this->image, $this->y_axis_x1, $this->y_axis_y1, $this->y_axis_x2, $this->y_axis_y2, $this->y_axis_color); - } - - protected function generateBackgound() - { - imagefilledrectangle($this->image, 0, 0, $this->width, $this->height, $this->background_color); - } - - protected function generateTitle() - { - //spacing may have changed since earlier - //use top margin or grid top y, whichever less - $highestElement = ($this->top_margin < $this->y_axis_y2) ? $this->top_margin : $this->y_axis_y2; - $textVertPos = ($highestElement / 2) - (self::TITLE_CHAR_HEIGHT / 2); //centered - $titleLength = strlen($this->title_text); - if ($this->bool_title_center) { - $title_x = ($this->width / 2) - (($titleLength * self::TITLE_CHAR_WIDTH) / 2); - $title_y = $textVertPos; - } elseif ($this->bool_title_left) { - $title_x = $this->y_axis_x1; - $title_y = $textVertPos; - } elseif ($this->bool_title_right) { - $this->title_x = $this->x_axis_x2 - ($titleLength * self::TITLE_CHAR_WIDTH); - $this->title_y = $textVertPos; - } - imagestring($this->image, 2, $title_x , $title_y , $this->title_text, $this->title_color); - } - - protected function calcTopMargin() - { - if ($this->bool_title) { - //include space for title, approx margin + 3*title height - $this->top_margin = ($this->height * (self::X_AXIS_MARGIN_PERCENT / 100)) + self::TITLE_CHAR_HEIGHT; - } else { - //just use default spacing - $this->top_margin = $this->height * (self::X_AXIS_MARGIN_PERCENT / 100); - } - } - - protected function calcRightMargin() - { - //just use default spacing - $this->right_margin = $this->width * (self::Y_AXIS_MARGIN_PERCENT / 100); - } - - protected function calcCoords() - { - //calculate axis points, also used for other calculations - $this->x_axis_x1 = $this->y_axis_margin; - $this->x_axis_y1 = $this->height - $this->x_axis_margin; - $this->x_axis_x2 = $this->width - $this->right_margin; - $this->x_axis_y2 = $this->height - $this->x_axis_margin; - $this->y_axis_x1 = $this->y_axis_margin; - $this->y_axis_y1 = $this->height - $this->x_axis_margin; - $this->y_axis_x2 = $this->y_axis_margin; - $this->y_axis_y2 = $this->top_margin; - } - - protected function determineAxisMarkerScale($max, $min, $axis = 'y') - { - switch ($axis) { - case 'y' : - $space = $this->height; - break; - case 'x' : - $space = $this->width; - break; - } - - //for calclation, take range or max-0 - if ($this->bool_user_data_range) { - $range = abs($max - $min); - } else { - $range = (abs($max-$min) > abs($max - 0)) ? abs($max - $min) : abs($max - 0); - } - //handle all zero data - if ($range == 0) { - $range = 10; - } - //multiply up to over 100, to better figure interval - $count = 0; - while (abs($range) < 100) { - $range *= 10; - $count++; - } - //divide into intervals based on height / preset constant - after rounding will be approx - $divisor = round($space / self::RANGE_DIVISOR_FACTOR); - $divided = round($range / $divisor); - $result = $this->roundUpOneExtraDigit($divided); - //if rounded up w/ extra digit is more than 200% of divided value, - //round up to next sig number with same num of digits - if ($result / $divided >= 2) { - $result = $this->roundUpSameDigits($divided); - } - //divide back down, if needed - for ($i = 0; $i < $count; $i++) { - $result /= 10; - } - return $result; - } - - protected function roundUpSameDigits($num) - { - $len = strlen($num); - if (round($num, -1 * ($len - 1)) == $num) { - //we already have a sig number - return $num; - } else { - $firstDig = substr($num, 0,1); - $secondDig = substr($num, 1,1); - $rest = substr($num, 2); - $secondDig = 5; - $altered = $firstDig.$secondDig.$rest; - //after reassembly, round up to next sig number, same # of digits - return round((int)$altered, -1 * ($len - 1)); - } - } - - protected function roundUpOneExtraDigit($num) - { - $len = strlen($num); - $firstDig = substr($num, 0, 1); - $rest = substr($num, 1); - $firstDig = 5; - $altered = $firstDig . $rest; - //after reassembly, round up to next sig number, one extra # of digits - return round((int)$altered, -1 * ($len)); - } - - protected function displayErrors() - { - if (!is_null($this->error) && count($this->error) > 0) { - $lineHeight = 12; - $errorColor = imagecolorallocate($this->image, 0, 0, 0); - $errorBackColor = imagecolorallocate($this->image, 255, 204, 0); - imagefilledrectangle($this->image, 0, 0, $this->width - 1, 2 * $lineHeight, $errorBackColor); - imagestring($this->image, 3, 2, 0, "!!----- PHPGraphLib Error -----!!", $errorColor); - foreach($this->error as $key => $errorText) { - imagefilledrectangle($this->image, 0, ($key * $lineHeight) + $lineHeight, $this->width - 1, ($key * $lineHeight) + 2 * $lineHeight, $errorBackColor); - imagestring($this->image, 2, 2, ($key * $lineHeight) + $lineHeight, "[". ($key + 1) . "] ". $errorText, $errorColor); - } - $errorOutlineColor = imagecolorallocate($this->image, 255, 0, 0); - imagerectangle($this->image, 0, 0, $this->width-1,($key * $lineHeight) + 2 * $lineHeight, $errorOutlineColor); - } - } - - public function addData($data, $data2 = '', $data3 = '', $data4 = '', $data5 = '') - { - $data_sets = array($data, $data2, $data3, $data4, $data5); - - foreach ($data_sets as $set) { - if (is_array($set)) { - $this->data_array[] = $set; - } - } - - //get rid of bad data, find max, min - foreach ($this->data_array as $data_set_num => $data_set) { - foreach ($data_set as $key => $item) { - if (!is_numeric($item)) { - unset($this->data_array[$data_set_num][$key]); - continue; - } - if ($item < $this->data_min) { - $this->data_min = $item; - } - if ($item > $this->data_max) { - $this->data_max = $item; - } - } - //find the count of the dataset with the most data points - $count = count($this->data_array[$data_set_num]); - if ($count > $this->data_count) { - $this->data_count = $count; - } - } - - //number of valid data sets - $this->data_set_count = count($this->data_array); - if ($this->data_set_count == 0) { - $this->error[] = "No valid datasets added in adddata() function."; - return; - } - - $this->bool_data = true; - } - - protected function analyzeData() - { - if ($this->data_min >= 0) { - $this->bool_all_positive = true; - } elseif ($this->data_max <= 0) { - $this->bool_all_negative = true; - } - //setup static max and min for all zero data - if ($this->data_min >= 0 && $this->data_max == 0 ) { - $this->data_min = 0; - $this->data_max = 10; - $this->all_zero_data = true; - } - } - - public function setupXAxis($percent = '', $color = '') - { - $this->bool_x_axis_setup = true; - if ($percent === false) { - $this->bool_x_axis = false; - } else { - $this->bool_x_axis = true; - } - if (!empty($color) && $arr = $this->returnColorArray($color)) { - $this->x_axis_color = imagecolorallocate($this->image, $arr[0], $arr[1], $arr[2]); - } - if (is_numeric($percent) && $percent > 0) { - $percent = $percent / 100; - $this->x_axis_margin = round($this->height * $percent); - } else { - $percent = self::X_AXIS_MARGIN_PERCENT / 100; - $this->x_axis_margin = round($this->height * $percent); - } - } - - public function setupYAxis($percent = '', $color = '') - { - $this->bool_y_axis_setup = true; - if ($percent === false) { - $this->bool_y_axis = false; - } else { - $this->bool_y_axis = true; - } - if (!empty($color) && $arr = $this->returnColorArray($color)) { - $this->y_axis_color = imagecolorallocate($this->image, $arr[0], $arr[1], $arr[2]); - } - if (is_numeric($percent) && $percent > 0) { - $this->y_axis_margin = round($this->width * ($percent / 100)); - } else { - $percent = self::Y_AXIS_MARGIN_PERCENT / 100; - $this->y_axis_margin = round($this->width * $percent); - } - } - - public function setRange($min, $max) - { - //because of deprecated use of this function as($max, $min) - if ($min > $max) { - $this->data_range_max = $min; - $this->data_range_min = $max; - } else { - $this->data_range_max = $max; - $this->data_range_min = $min; - } - $this->bool_user_data_range = true; - } - - public function setTitle($title) - { - if (!empty($title)) { - $this->title_text = $title; - $this->bool_title = true; - } else { - $this->error[] = "String arg for setTitle() not specified properly."; - } - } - - public function setTitleLocation($location) - { - $this->bool_title_left = false; - $this->bool_title_right = false; - $this->bool_title_center = false; - switch (strtolower($location)) { - case 'left': - $this->bool_title_left = true; - break; - case 'right': - $this->bool_title_right = true; - break; - case 'center': - $this->bool_title_center = true; - break; - default: - $this->error[] = "String arg for setTitleLocation() not specified properly."; - } - } - - public function setBars($bool) - { - if (is_bool($bool)) { - $this->bool_bars = $bool; - } else { - $this->error[] = "Boolean arg for setBars() not specified properly."; - } - } - - public function setBarSpace ($bool) - { - if (is_bool($bool)) { - $this->bool_bar_space = $bool; - } else { - $this->error[] = "Value arg for setBarSpace() not specified properly."; - } - } - - public function setGrid($bool) - { - if (is_bool($bool)) { - //$this->bool_grid = $bool; - $this->bool_grid_horizontal = $bool; - $this->bool_grid_vertical = $bool; - } else { - $this->error[] = "Boolean arg for setGrid() not specified properly."; - } - } - - public function setGridHorizontal($bool) - { - if (is_bool($bool)) { - $this->bool_grid_horizontal = $bool; - } else { - $this->error[] = "Boolean arg for setGrid() not specified properly."; - } - } - - public function setGridVertical($bool) - { - if (is_bool($bool)) { - $this->bool_grid_vertical = $bool; - } else { - $this->error[] = "Boolean arg for setGrid() not specified properly."; - } - } - - public function setXValues($bool) - { - if (is_bool($bool)) { - $this->bool_x_axis_values = $bool; - } else { - $this->error[] = "Boolean arg for setXValues() not specified properly."; - } - } - - public function setYValues($bool) - { - if (is_bool($bool)) { - $this->bool_y_axis_values = $bool; - } else { - $this->error[] = "Boolean arg for setYValues() not specified properly."; - } - } - - public function setXValuesHorizontal($bool) - { - if (is_bool($bool)) { - $this->bool_x_axis_values_vert = !$bool; - } else { - $this->error[] = "Boolean arg for setXValuesHorizontal() not specified properly."; - } - } - - public function setXValuesVertical($bool) - { - if (is_bool($bool)) { - $this->bool_x_axis_values_vert = $bool; - } else { - $this->error[] = "Boolean arg for setXValuesVertical() not specified properly."; - } - } - - public function setXValuesInterval($value) - { - if (is_int($value) && $value > 0) { - $this->x_axis_value_interval = $value; - } else { - $this->error[] = "Value arg for setXValuesInterval() not specified properly."; - } - } - - public function setBarOutline($bool) - { - if (is_bool($bool)) { - $this->bool_bar_outline = $bool; - } else { - $this->error[] = "Boolean arg for setBarOutline() not specified properly."; - } - } - - public function setDataPoints($bool) - { - if (is_bool($bool)) { - $this->bool_data_points = $bool; - } else { - $this->error[] = "Boolean arg for setDataPoints() not specified properly."; - } - } - - public function setDataPointSize($size) - { - if (is_numeric($size)) { - $this->data_point_width = $size; - } else { - $this->error[] = "Data point size in setDataPointSize() not specified properly."; - } - } - - public function setDataValues($bool) - { - if (is_bool($bool)) { - $this->bool_data_values = $bool; - } - else { - $this->error[] = "Boolean arg for setDataValues() not specified properly."; - } - } - - public function setDataCurrency($currency_type = 'dollar') - { - switch (strtolower($currency_type)) { - case 'dollar': $this->data_currency = '$'; break; - case 'yen': $this->data_currency = '¥'; break; - case 'pound': $this->data_currency = '£'; break; - case 'lira': $this->data_currency = '£'; break; - // Euro doesn't display properly - // Franc doesn't display properly - default: $this->data_currency = $currency_type; break; - } - $this->data_additional_length += strlen($this->data_currency); - } - - protected function applyDataCurrency($input) - { - return $this->data_currency . $input; - } - - public function setDataFormat($format) - { - //setup structure for future additional data formats - specify callback functions - switch ($format) { - case 'comma': - $this->data_format_array[] = 'formatDataAsComma'; - $this->data_additional_length += floor(strlen($this->data_max) / 3); - break; - case 'percent': - $this->data_format_array[] = 'formatDataAsPercent'; - $this->data_additional_length++; - break; - case 'degrees': - $this->data_format_array[] = 'formatDataAsDegrees'; - $this->data_additional_length++; - break; - default: - $this->data_format_array[] = 'formatDataAsGeneric'; - $this->data_format_generic = $format; - $this->data_additional_length += strlen($format); - break; - } - } - - protected function applyDataFormats($input) - { - //comma formatting must be done first - if ($pos = array_search('formatDataAsComma', $this->data_format_array)) { - unset($this->data_format_array[$pos]); - array_unshift($this->data_format_array, 'formatDataAsComma'); - } - //loop through each formatting function - foreach ($this->data_format_array as $format_type_callback) { - eval('$input=$this->' . $format_type_callback . '($input);'); - } - return $input; - } - - protected function formatDataAsComma($input) - { - //check for negative sign - $sign_part = ''; - if (substr($input, 0, 1) == '-') { - $input = substr($input, 1); - $sign_part = '-'; - } - //handle decimals - $decimal_part = ''; - if (($pos = strpos($input, '.')) !== false) { - $decimal_part = substr($input, $pos); - $input = substr($input, 0, $pos); - } - //turn data into format 12,234... - $parts = ''; - while (strlen($input)>3) { - $parts = ',' . substr($input, -3) . $parts; - $input = substr($input, 0, strlen($input) - 3); - } - return $sign_part . $currency_part . $input . $parts . $decimal_part; - } - - protected function formatDataAsPercent($input) - { - return $input . '%'; - } - - protected function formatDataAsDegrees($input) - { - return $input . '°'; - } - - protected function formatDataAsGeneric($input) - { - return $input . $this->data_format_generic; - } - - public function setLine($bool) - { - if (is_bool($bool)) { - $this->bool_line = $bool; - } else { - $this->error[] = "Boolean arg for setLine() not specified properly."; - } - } - - public function setGoalLine($yValue, $color = null, $style = 'solid') - { - if (is_numeric($yValue)) { - if ($color) { - $this->setGenericColor($color, '$this->goal_line_custom_color', "Goal line color not specified properly."); - $color = $this->goal_line_custom_color; - } - - $this->goal_line_array[] = array( - 'yValue' => $yValue, - 'color' => $color, - 'style' => $style - ); - } - else { - $this->error[] = "Goal line Y axis value not specified properly."; - } - } - - protected function allocateColors() - { - $this->background_color = imagecolorallocate($this->image, 255, 255, 255); - $this->grid_color = imagecolorallocate($this->image, 220, 220, 220); - $this->bar_color = imagecolorallocate($this->image, 200, 200, 200); - $this->line_color_default = imagecolorallocate($this->image, 100, 100, 100); - $this->x_axis_text_color = $this->line_color_default; - $this->y_axis_text_color = $this->line_color_default; - $this->data_value_color = $this->line_color_default; - $this->title_color = imagecolorallocate($this->image, 0, 0, 0); - $this->outline_color = $this->title_color; - $this->data_point_color = $this->title_color; - $this->x_axis_color = $this->title_color; - $this->y_axis_color = $this->title_color; - $this->goal_line_color = $this->title_color; - $this->legend_outline_color = $this->grid_color; - $this->legend_color = $this->background_color; - $this->legend_text_color = $this->line_color_default; - $this->legend_swatch_outline_color = $this->line_color_default; - } - - protected function returnColorArray($color) - { - //check to see if color passed through in form '128,128,128' or hex format - if (strpos($color,',') !== false) { - return explode(',', $color); - } elseif (substr($color, 0, 1) == '#') { - if (strlen($color) == 7) { - $hex1 = hexdec(substr($color, 1, 2)); - $hex2 = hexdec(substr($color, 3, 2)); - $hex3 = hexdec(substr($color, 5, 2)); - return array($hex1, $hex2, $hex3); - } elseif (strlen($color) == 4) { - $hex1 = hexdec(substr($color, 1, 1) . substr($color, 1, 1)); - $hex2 = hexdec(substr($color, 2, 1) . substr($color, 2, 1)); - $hex3 = hexdec(substr($color, 3, 1) . substr($color, 3, 1)); - return array($hex1, $hex2, $hex3); - } - } - - switch (strtolower($color)) { - //named colors based on W3C's recd html colors - case 'black': return array(0,0,0); break; - case 'silver': return array(192,192,192); break; - case 'gray': return array(128,128,128); break; - case 'white': return array(255,255,255); break; - case 'maroon': return array(128,0,0); break; - case 'red': return array(255,0,0); break; - case 'purple': return array(128,0,128); break; - case 'fuscia': return array(255,0,255); break; - case 'green': return array(0,128,0); break; - case 'lime': return array(0,255,0); break; - case 'olive': return array(128,128,0); break; - case 'yellow': return array(255,255,0); break; - case 'navy': return array(0,0,128); break; - case 'blue': return array(0,0,255); break; - case 'teal': return array(0,128,128); break; - case 'aqua': return array(0,255,255); break; - } - - $this->error[] = "Color name \"$color\" not recogized."; - return false; - } - - protected function allocateGradientColors($color1R, $color1G, $color1B, $rScale, $gScale, $bScale, $num, $data_set_num) - { - //caluclate the colors used in our gradient and store them in array - $this->gradient_color_array[$data_set_num] = array(); - for ($i = 0; $i <= $num + 1; $i++) { - $this->gradient_color_array[$data_set_num][$i] = imagecolorallocate($this->image, $color1R - ($rScale * $i), $color1G - ($gScale * $i), $color1B - ($bScale * $i)); - } - $this->bool_gradient_colors_found[$data_set_num] = true; - } - - protected function setGenericColor($inputColor, $var, $errorMsg) - { - //can be used for most color setting options - if (!empty($inputColor) && ($arr = $this->returnColorArray($inputColor))) { - eval($var . ' = imagecolorallocate($this->image, $arr[0], $arr[1], $arr[2]);'); - return true; - } - else { - $this->error[] = $errorMsg; - return false; - } - } - - public function setBackgroundColor($color) - { - if ($this->setGenericColor($color, '$this->background_color', "Background color not specified properly.")) { - $this->bool_background = true; - } - } - - public function setTitleColor($color) - { - $this->setGenericColor($color, '$this->title_color', "Title color not specified properly."); - } - - public function setTextColor($color) - { - $this->setGenericColor($color, '$this->x_axis_text_color', "X axis text color not specified properly."); - $this->setGenericColor($color, '$this->y_axis_text_color', "Y axis Text color not specified properly."); - } - - public function setXAxisTextColor($color) - { - $this->setGenericColor($color, '$this->x_axis_text_color', "X axis text color not specified properly."); - } - - public function setYAxisTextColor($color) - { - $this->setGenericColor($color, '$this->y_axis_text_color', "Y axis Text color not specified properly."); - } - - public function setBarColor($color1, $color2 = '', $color3 = '', $color4 = '', $color5 = '') - { - $bar_colors = array($color1, $color2, $color3, $color4, $color5); - foreach ($bar_colors as $key => $color) { - if ($color) { - $this->setGenericColor($color, '$this->multi_bar_colors[]', "Bar color " . ($key + 1) . " not specified properly."); - } - } - } - - public function setGridColor($color) - { - $this->setGenericColor($color, '$this->grid_color', "Grid color not specified properly."); - } - - public function setBarOutlineColor($color) - { - $this->setGenericColor($color, '$this->outline_color', "Bar outline color not specified properly."); - } - - public function setDataPointColor($color) - { - $this->setGenericColor($color, '$this->data_point_color', "Data point color not specified properly."); - } - - public function setDataValueColor($color) - { - $this->setGenericColor($color, '$this->data_value_color', "Data value color not specified properly."); - } - - public function setLineColor($color1, $color2 = '', $color3 = '', $color4 = '', $color5 = '') - { - $line_colors = array($color1, $color2, $color3, $color4, $color5); - foreach ($line_colors as $key => $color) { - if ($color) { - $this->setGenericColor($color, '$this->line_color[]', "Line color " . ($key + 1) . " not specified properly."); - } - } - } - - /* @deprecated - setGoalLineColor() replaced with 2nd parameter of setGoalLine() */ - public function setGoalLineColor($color) { - $this->setGenericColor($color, '$this->goal_line_color', "Goal line color not specified properly."); - } - - public function setGradient($color1, $color2, $color3 = '', $color4 = '', $color5 = '', $color6 = '', $color7 = '', $color8 = '', $color9 = '', $color10 = '') - { - if (!empty($color1) && !empty($color2) && ($arr1 = $this->returnColorArray($color1)) && ($arr2 = $this->returnColorArray($color2))) { - $this->bool_gradient = true; - $this->multi_gradient_colors_1[] = $arr1; - $this->multi_gradient_colors_2[] = $arr2; - } - else { - $this->error[] = "Gradient color(s) not specified properly."; - } - - //Optional gradients - if (!empty($color3) && !empty($color4) && ($arr1 = $this->returnColorArray($color3)) && ($arr2 = $this->returnColorArray($color4))) { - $this->bool_gradient = true; - $this->multi_gradient_colors_1[]=$arr1; - $this->multi_gradient_colors_2[]=$arr2; - } - if (!empty($color5) && !empty($color6) && ($arr1 = $this->returnColorArray($color5)) && ($arr2 = $this->returnColorArray($color6))) { - $this->bool_gradient = true; - $this->multi_gradient_colors_1[] = $arr1; - $this->multi_gradient_colors_2[] = $arr2; - } - if (!empty($color7) && !empty($color8) && ($arr1 = $this->returnColorArray($color7)) && ($arr2 = $this->returnColorArray($color8))) { - $this->bool_gradient = true; - $this->multi_gradient_colors_1[] = $arr1; - $this->multi_gradient_colors_2[] = $arr2; - } - if (!empty($color9) && !empty($color10) && ($arr1 = $this->returnColorArray($color9)) && ($arr2 = $this->returnColorArray($color10))) { - $this->bool_gradient = true; - $this->multi_gradient_colors_1[] = $arr1; - $this->multi_gradient_colors_2[] = $arr2; - } - } - - //Legend Related Functions - public function setLegend($bool) - { - if (is_bool($bool)) { - $this->bool_legend = $bool; - } else { - $this->error[] = "Boolean arg for setLegend() not specified properly."; - } - } - - public function setLegendColor($color) - { - $this->setGenericColor($color, '$this->legend_color', "Legend color not specified properly."); - } - - public function setLegendTextColor($color) - { - $this->setGenericColor($color, '$this->legend_text_color', "Legend text color not specified properly."); - } - - public function setLegendOutlineColor($color) - { - $this->setGenericColor($color, '$this->legend_outline_color', "Legend outline color not specified properly."); - } - - public function setSwatchOutlineColor($color) - { - $this->setGenericColor($color, '$this->legend_swatch_outline_color', "Swatch outline color not specified properly."); - } - - public function setLegendTitle($title1, $title2 = '', $title3 = '', $title4 = '', $title5 = '') - { - $title_array = array($title1, $title2, $title3, $title4, $title5); - foreach ($title_array as $title) { - if ($len = strlen($title)) { - if ($len > self::LEGEND_MAX_CHARS) { - $title = substr($title, 0, self::LEGEND_MAX_CHARS); - $this->legend_total_chars[] = self::LEGEND_MAX_CHARS; - } else { - $this->legend_total_chars[] = $len; - - } - $this->legend_titles[] = $title; - } - } - } - - protected function generateLegend() - { - $swatchToTextOffset = (self::LEGEND_TEXT_HEIGHT - 6) / 2; - $swatchSize = self::LEGEND_TEXT_HEIGHT - (2 * $swatchToTextOffset); - //calc height / width based on # of data sets - $this->legend_height = self::LEGEND_TEXT_HEIGHT + (2 * self::LEGEND_PADDING); - $totalChars = 0; - for ($i = 0; $i < $this->data_set_count; $i++) { - //could have more titles than data sets - check for this - if (isset($this->legend_total_chars[$i])){ $totalChars += $this->legend_total_chars[$i]; } - } - $this->legend_width = $totalChars * self::LEGEND_TEXT_WIDTH + (self::LEGEND_PADDING * 2.2) + - ($this->data_set_count * ($swatchSize + (self::LEGEND_PADDING * 2))); - $this->legend_x = $this->x_axis_x2 - $this->legend_width; - $highestElement = ($this->top_margin < $this->y_axis_y2) ? $this->top_margin : $this->y_axis_y2; - $this->legend_y = ($highestElement / 2) - ($this->legend_height / 2); //centered - - //draw background - imagefilledrectangle($this->image, $this->legend_x, $this->legend_y, $this->legend_x + $this->legend_width, - $this->legend_y + $this->legend_height, $this->legend_color); - - //draw border - imagerectangle($this->image, $this->legend_x, $this->legend_y, $this->legend_x + $this->legend_width, - $this->legend_y + $this->legend_height, $this->legend_outline_color); - - $length_covered = 0; - for ($i = 0; $i < $this->data_set_count; $i++) { - $data_label = ''; - if (isset($this->legend_titles[$i])) { - $data_label = $this->legend_titles[$i]; - } - $yValue = $this->legend_y + self::LEGEND_PADDING; - $xValue = $this->legend_x + self::LEGEND_PADDING + ($length_covered * self::LEGEND_TEXT_WIDTH) + ($i * 4 * self::LEGEND_PADDING); - $length_covered += strlen($data_label); - //draw color boxes - if ($this->bool_bars) { - if ($this->bool_gradient) { - $color = $this->gradient_color_array[$this->data_set_count - $i - 1][0]; - } else { - $color = $this->multi_bar_colors[$this->data_set_count - $i - 1]; - } - } elseif ($this->bool_line && !$this->bool_bars) { - $color = $this->line_color[$this->data_set_count - $i - 1]; - } - imagefilledrectangle($this->image, $xValue, $yValue + $swatchToTextOffset, $xValue + $swatchSize, $yValue + $swatchToTextOffset + $swatchSize, $color); - imagerectangle($this->image, $xValue, $yValue + $swatchToTextOffset, $xValue + $swatchSize, $yValue + $swatchToTextOffset + $swatchSize, $this->legend_swatch_outline_color); - imagestring($this->image, 2, $xValue + (2 * self::LEGEND_PADDING + 2), $yValue, $data_label, $this->legend_text_color); - } - } - - public function setIgnoreDataFitErrors($bool) - { - if (is_bool($bool)) { - $this->bool_ignore_data_fit_errors = $bool; - } else { - $this->error[] = "Boolean arg for setIgnoreDataFitErrors() not specified properly."; - } - } -} - -?> diff --git a/codepot/src/codepot/libraries/phpgraphlibpie.php b/codepot/src/codepot/libraries/phpgraphlibpie.php deleted file mode 100644 index 697b3947..00000000 --- a/codepot/src/codepot/libraries/phpgraphlibpie.php +++ /dev/null @@ -1,390 +0,0 @@ -pie_width = $this->width * (self::PIE_WIDTH_PERCENT / 100); - $this->pie_height = $this->width * (self::PIE_HEIGHT_PERCENT / 100); - $this->pie_center_y = $this->height * (self::PIE_CENTER_Y_OFFSET / 100); - $this->pie_center_x = $this->width * (self::PIE_CENTER_X_OFFSET / 100); - - //set data label spacing - if ($this->bool_data_labels) { - //set to number of pixels that are equal to text width - //7 is a base spacer that all labels get - $this->pie_data_label_space = 7 + $this->width / 30; - $this->pie_width *= self::PIE_LABEL_SCALE / 100; - $this->pie_height *= self::PIE_LABEL_SCALE / 100; - } - - if ($this->bool_legend) { - //compensate for legend with lesser preset percent - $this->pie_width *= self::PIE_LEGEND_SCALE / 100; - $this->pie_height *= self::PIE_LEGEND_SCALE / 100; - $this->pie_center_x *= self::PIE_CENTER_LEGEND_SCALE / 100; - } - $this->pie_3D_height = self::PIE_3D_HEIGHT_PERCENT * ($this->pie_width / 100); - } - - protected function setupData() - { - //in the pie extension, this will calculate the total sum and the corresponding percentages - if ($this->data_set_count == 1) { - $sum = array_sum($this->data_array[0]); - if ($sum > 0) { - foreach ($this->data_array[0] as $dataText => $dataValue) { - $this->pie_data_array_percents[] = $dataValue / $sum; - //find data text length - $len = strlen($dataText); - if ($len > $this->pie_data_max_length) { - $this->pie_data_max_length = $len; } - } - $this->bool_bars_generate = true; - } else { - $this->bool_bars_generate = false; - $this->error[] = "Sum of data must be greater than 0."; - } - } else { - $this->error[]="Multiple datasets not allowed with pie charts"; - } - } - - protected function generateLegend() - { - $maxChars = NULL; - //calc height / width based on # of values - $pie_legend_height = (self::PIE_LEGEND_TEXT_HEIGHT * $this->data_count) + (2 * self::PIE_LEGEND_PADDING); - $pie_legend_width = ($this->pie_data_max_length * self::PIE_LEGEND_TEXT_WIDTH) + (6 * self::PIE_LEGEND_PADDING); - - //allotted space does not include padding around legend (smaller) - $allottedSpace = $this->width - $this->pie_center_x - ($this->pie_width / 2) - (2 * self::PIE_LEGEND_PADDING); - if ($this->bool_data_labels) { - //also compensate for displayed text data % on graph - $allottedSpace -= ((4 + $this->pie_precision) * self::PIE_LABEL_TEXT_WIDTH) + $this->pie_data_label_space; - } - //check to make sure we are not > allotted space - if ($pie_legend_width > $allottedSpace) { - //if we are, adjust width and max length for data values - //4 = padding | swatch(padding width) | padding | ...text... |padding - $swatchAndPaddingWidth = 4 * self::PIE_LEGEND_PADDING; - //MAX CHARS = ALOTTED SPACE - ENOUGH ROOM FOR SWATCHES / TEXT WIDTH - $maxChars = floor(($allottedSpace - $swatchAndPaddingWidth) / self::PIE_LEGEND_TEXT_WIDTH); - $pie_legend_width = ($maxChars * self::PIE_LEGEND_TEXT_WIDTH) + $swatchAndPaddingWidth; - } else { - //we didnt go over allotted space, so we should adjust the center of the pie chart now - $equalSpacing = ($this->width - ($this->pie_width + $pie_legend_width)) / 3; - //so now reposition center at spacing + 1/2 pie width - $this->pie_center_x = ($this->pie_width / 2) + $equalSpacing; - } - //auto adjusting formula for position of pie_legend_x based on pie chart size - $a = ($this->pie_center_x + $this->pie_width / 2); - $b = $this->width - $a; - $c = ($b - $pie_legend_width) / 2; - //set pie x & y args - $this->pie_legend_x = $a + $c; - $this->pie_legend_y = ($this->height - $pie_legend_height) / 2; - //background - imagefilledrectangle($this->image, $this->pie_legend_x, $this->pie_legend_y, $this->pie_legend_x + $pie_legend_width, - $this->pie_legend_y + $pie_legend_height, $this->legend_color); - //border - imagerectangle($this->image, $this->pie_legend_x, $this->pie_legend_y, $this->pie_legend_x + $pie_legend_width, - $this->pie_legend_y + $pie_legend_height, $this->legend_outline_color); - $xValue = $this->pie_legend_x + self::PIE_LEGEND_PADDING; - $count = 0; - $this->resetColorPointer(); - $swatchToTextOffset = (self::PIE_LEGEND_TEXT_HEIGHT - 6) / 2; - $swatchSize = self::PIE_LEGEND_TEXT_HEIGHT - (2 * $swatchToTextOffset); - foreach ($this->data_array[0] as $dataText => $dataValue) { - $yValue = $this->pie_legend_y + self::PIE_LEGEND_TEXT_HEIGHT * $count + self::PIE_LEGEND_PADDING; - //draw color boxes - $color = $this->generateNextColor(); - imagefilledrectangle($this->image, $xValue, $yValue + $swatchToTextOffset, $xValue + $swatchSize, $yValue + $swatchToTextOffset + $swatchSize, $color); - imagerectangle($this->image, $xValue, $yValue + $swatchToTextOffset, $xValue + $swatchSize, $yValue + $swatchToTextOffset + $swatchSize, $this->legend_swatch_outline_color); - //if longer than our max, trim text - if ($maxChars) { - $dataText = substr($dataText,0, $maxChars); - } - imagestring($this->image, 2, $xValue + (2 * self::PIE_LEGEND_PADDING), $yValue, $dataText, $this->legend_text_color); - $count++; - } - } - - protected function generateBars() - { - $this->resetColorPointer(); - //loop through and create shadaing - for ($i = $this->pie_center_y + $this->pie_3D_height; $i > $this->pie_center_y; $i--) { - $arcStart = 0; - foreach ($this->pie_data_array_percents as $key => $value) { - $color = $this->generateNextColor(true); - // generate a darker version of the indexed color - // do not draw if the value is zero - if (! $value == 0){ - imagefilledarc($this->image, $this->pie_center_x, $i, $this->pie_width, $this->pie_height, $arcStart, (360 * $value) + $arcStart, $color, IMG_ARC_PIE); - $arcStart += 360*$value; - } - } - $this->resetColorPointer(); - } - $arcStart = 0; - foreach ($this->pie_data_array_percents as $key => $value) { - $color = $this->generateNextColor(); - // do not draw if the value is zero - if (! $value == 0){ - imagefilledarc($this->image, $this->pie_center_x, $this->pie_center_y, $this->pie_width, $this->pie_height, $arcStart, (360*$value)+$arcStart, $color, IMG_ARC_PIE); - $arcStart += 360 * $value; - } - if ($this->bool_data_labels) { - $this->generateDataLabel($value, $arcStart); - } - } - } - - protected function generateDataLabel($value, $arcStart) - { - //midway if the mid arc angle of the wedge we just drew - $midway = ($arcStart - (180 * $value)); - //adjust for ellipse height/width ratio - $skew = self::PIE_HEIGHT_PERCENT / self::PIE_WIDTH_PERCENT; - $pi = atan(1.0) * 4.0; - $theta = ($midway / 180) * $pi; - $valueX = $this->pie_center_x + ($this->pie_width / 2 + $this->pie_data_label_space) * cos($theta); - $valueY = $this->pie_center_y + ($this->pie_width / 2 + $this->pie_data_label_space) * sin($theta) * $skew; - $displayValue = $this->formatPercent($value); - $valueArray = $this->dataLabelHandicap($valueX, $valueY, $displayValue, $midway); - $valueX = $valueArray[0]; - $valueY = $valueArray[1]; - imagestring($this->image, 2, $valueX, $valueY, $displayValue, $this->label_text_color); - } - - protected function formatPercent($input) - { - return number_format($input * 100, $this->pie_precision) . '%'; - } - - protected function dataLabelHandicap($x, $y, $value, $midway) - { - //moves data label x/y based on quadrant and length of displayed data - //and how text is displayed (upper left corner x/y) - //extra 1 for % sign - $lengthOffset = (strlen($value) * (self::PIE_LABEL_TEXT_WIDTH)) / 2; - $vertOffset = self::PIE_LABEL_TEXT_HEIGHT / 2; - if ($midway <= 30) { - $newX = $x - (1.5 * $lengthOffset); - $newY = $y - $vertOffset; - } elseif ($midway > 30 && $midway <= 135) { - $newX = $x - $lengthOffset; - $newY = $y - $vertOffset + $this->pie_3D_height; - } elseif ($midway > 135 && $midway <= 165) { - $newX = $x - $lengthOffset; - $newY = $y - $vertOffset; - } elseif ($midway > 165 && $midway <= 200) { - //value at risk for being out of bounds on smaller graphs - $newX = $x - (1/3 * $lengthOffset); - $newY = $y - $vertOffset; - } elseif ($midway > 200 && $midway <= 330) { - $newX = $x - $lengthOffset; - $newY = $y - $vertOffset; - } elseif ($midway > 330) { - //value at risk for overlapping the legend on smaller graphs - $newX = $x - (1.5 * $lengthOffset); - $newY = $y - $vertOffset; - } else { - $newX = $x - $lengthOffset; - $newY = $y - $vertOffset; - } - return array($newX, $newY); - } - - protected function generateNextColor($dark = false) - { - $array = $this->returnColorArray($this->pie_avail_colors[$this->pie_color_pointer]); - if ($dark) { - //we are trying to generate a darker version of the existing color - $array[0] *= .8; - $array[1] *= .8; - $array[2] *= .8; - } - $color = imagecolorallocate($this->image, $array[0], $array[1], $array[2]); - $this->pie_color_pointer++; - if ($this->pie_color_pointer >= count($this->pie_avail_colors)) { - $this->pie_color_pointer = 0; - } - return $color; - } - - protected function resetColorPointer() - { - $this->pie_color_pointer = 0; - } - - protected function returnColorArray($color) - { - //this function first checks exisitng colors in phpgraphlib - //then if not found checks its own list - //comes with various preset lighter pie chart friendly colors - if ($resultColor = parent::returnColorArray($color)) { - return $resultColor; - } else { - //remove last error generated (phpgraphlib::returncolorarray) sets only one error if false) - array_pop($this->error); - //check to see if numeric color passed through in form '128,128,128' - if (strpos($color,',') !== false) { - return explode(',', $color); - } - switch(strtolower($color)) { - //named colors based on w3c's recommended html colors - case 'pastel_orange_1': return array(238,197,145); break; - case 'pastel_orange_2': return array(238,180,34); break; - case 'pastel_blue_1': return array(122,197,205); break; - case 'pastel_green_1': return array(102,205,0); break; - case 'pastel_blue_2': return array(125,167,217); break; - case 'pastel_green_2': return array(196,223,155); break; - case 'clay': return array(246,142,85); break; - case 'pastel_yellow': return array(255,247,153); break; - case 'pastel_purple': return array(135,129,189); break; - case 'brown': return array(166,124,81); break; - } - $this->error[] = "Color name \"$color\" not recogized."; - return false; - } - } - protected function generateTitle() - { - //draws title b/t top of graph and edge of canvas - $pieTop = $this->pie_center_y - ($this->pie_height / 2); - if ($this->bool_legend) { - $topElement = ($pieTop < $this->pie_legend_y) ? $pieTop : $this->pie_legend_y; - } else { - $topElement = $pieTop; - } - - if ($topElement < 0) { - $this->error[] = "Not enough room for a title. Increase graph height, or eliminate data values."; - } else { - $title_y = ($topElement / 2) - (self::TITLE_CHAR_HEIGHT / 2); - $title_x = ($this->width / 2) - ((strlen($this->title_text) * self::TITLE_CHAR_WIDTH) / 2); - imagestring($this->image, 2, $title_x , $title_y , $this->title_text, $this->title_color); - } - } - - public function setLabelTextColor($color) - { - $this->setGenericColor($color, '$this->label_text_color', "Label text color not specified properly."); - } - - public function setPrecision($digits) - { - if (is_int($digits)) { - $this->pie_precision = $digits; - return; - } - - $this->error[] = "Integer arg for setPrecision() not specified properly."; - } - - public function setDataLabels($bool) - { - if (is_bool($bool)) { - $this->bool_data_labels = $bool; - return; - } - - $this->error[] = "Boolean arg for setDataLabels() not specified properly."; - } - - //overwritten and unused PHPGraphLib functions - function setDataPoints($bool) - { - $this->error[] = __function__ . '() function not allowed in PHPGraphLib Stacked extension.'; - } - - function calcTopMargin() {} - function calcRightMargin() {} - function setupGrid() {} -} - -?>