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Additional divide by zero handling

This commit is contained in:
MarkBaker 2014-07-14 23:45:46 +01:00
parent 311d03b4c3
commit c6d0a4d3d0
2 changed files with 11 additions and 4 deletions
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12
Classes/PHPExcel/Worksheet/BaseDrawing.php
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@ -321,7 +321,7 @@ class PHPExcel_Worksheet_BaseDrawing implements PHPExcel_IComparable
public function setWidth($pValue = 0) { public function setWidth($pValue = 0) {
// Resize proportional? // Resize proportional?
if ($this->_resizeProportional && $pValue != 0) { if ($this->_resizeProportional && $pValue != 0) {
$ratio = $this->_height / $this->_width; $ratio = $this->_height / ($this->_width !== 0 ? $this->_width : 1);
$this->_height = round($ratio * $pValue); $this->_height = round($ratio * $pValue);
} }
@ -373,8 +373,8 @@ class PHPExcel_Worksheet_BaseDrawing implements PHPExcel_IComparable
* @return PHPExcel_Worksheet_BaseDrawing * @return PHPExcel_Worksheet_BaseDrawing
*/ */
public function setWidthAndHeight($width = 0, $height = 0) { public function setWidthAndHeight($width = 0, $height = 0) {
$xratio = $width / $this->_width; $xratio = $width / ($this->_width !== 0 ? $this->_width : 1);
$yratio = $height / $this->_height; $yratio = $height / ($this->_height !== 0 ? $this->_height : 1);
if ($this->_resizeProportional && !($width == 0 || $height == 0)) { if ($this->_resizeProportional && !($width == 0 || $height == 0)) {
if (($xratio * $this->_height) < $height) { if (($xratio * $this->_height) < $height) {
$this->_height = ceil($xratio * $this->_height); $this->_height = ceil($xratio * $this->_height);
@ -383,7 +383,11 @@ class PHPExcel_Worksheet_BaseDrawing implements PHPExcel_IComparable
$this->_width = ceil($yratio * $this->_width); $this->_width = ceil($yratio * $this->_width);
$this->_height = $height; $this->_height = $height;
} }
} } else {
$this->_width = $width;
$this->_height = $height;
}
return $this; return $this;
} }

3
changelog.txt
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@ -24,8 +24,11 @@
Planned for v1.8.1 Planned for v1.8.1
- Bugfix: (goncons) Work Item GH-397 - Fix for Writing an Open Document cell with non-numeric formula - Bugfix: (goncons) Work Item GH-397 - Fix for Writing an Open Document cell with non-numeric formula
- Bugfix: (sarciszewski) Work Item GH-329 - Avoid potential divide by zero in basedrawing
- General: (MBaker) - Small performance improvement for autosize columns
- Feature: (WiktrzGE) Work Item GH-404 - Methods to manage most of the existing options for Chart Axis, Major Grid-lines and Minor Grid-lines - Feature: (WiktrzGE) Work Item GH-404 - Methods to manage most of the existing options for Chart Axis, Major Grid-lines and Minor Grid-lines
- Feature: (frost-nzcr4) Work Item GH-403 - ODS read/write comments in the cell - Feature: (frost-nzcr4) Work Item GH-403 - ODS read/write comments in the cell
- Feature: (CQD) Work Item GH-389 - Additional Mac CJK codepage definitions
2014-03-02 (v1.8.0): 2014-03-02 (v1.8.0):