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Rename image class variables to match our current naming convention. Implement a unit test for

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the image class
This commit is contained in:
Chris Morgan
2006-06-30 19:42:39 +00:00
committed by WineHQ
parent 1fd44ae416
commit c4caf6c85f
3 changed files with 415 additions and 147 deletions
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309
include/image.php
View File

@@ -7,89 +7,95 @@
* Image class for handling screenshot and thumbnail image files. * Image class for handling screenshot and thumbnail image files.
*/ */
class Image { class Image {
var $file; // absolute path from the docroot var $sFile; // absolute path from the docroot
var $debug_log; var $aDebugLog;
var $image; var $oImage;
var $width; var $iWidth;
var $height; var $iHeight;
var $type; var $iType;
/** /**
* Constructor: * Constructor:
* $file is the full path to the image. $this->isLoaded() * $sFile is the full path to the image. $this->isLoaded()
* should really be checked after making a new object. * should really be checked after making a new object.
*/ */
function Image($sRelativePath) function Image($sPath, $bAbsolutePath=false)
{ {
$this->file = appdb_fullpath($sRelativePath); /* if $bAbsolutePath is true we should use the $sPath without modification */
$info = @getimagesize($this->file); /* otherwise use appdb_fullpath() to convert the relative $sPath into a absolute path */
if($bAbsolutePath)
$this->sFile = $sPath;
else /* relative path */
$this->sFile = appdb_fullpath($sPath);
$oInfo = @getimagesize($this->sFile);
if( empty($info) ) if( empty($oInfo) )
{ {
$this->set_debuglog("Failed to load file ".$this->file); $this->set_debuglog("Failed to load file ".$this->sFile);
return; return;
} }
switch( $info[2] ) switch( $oInfo[2] )
{ {
case 2: case 2:
$data = imagecreatefromjpeg($this->file); $oImage = imagecreatefromjpeg($this->sFile);
break; break;
case 3: case 3:
$data = imagecreatefrompng($this->file); $oImage = imagecreatefrompng($this->sFile);
break; break;
default; default;
$this->set_debuglog("Image type ({$info[2]}) unkown"); $this->set_debuglog("Image type ({$oInfo[2]}) unknown");
return; return;
return; return;
} }
$this->image = $data; $this->oImage = $oImage;
$this->width = $info[0]; $this->iWidth = $oInfo[0];
$this->height = $info[1]; $this->iHeight = $oInfo[1];
$this->type = $info[2]; $this->iType = $oInfo[2];
$this->set_debuglog("New image class created with as $file as" $this->set_debuglog("New image class created with as $sFile as"
." file and {$info[2]} as type. Dimensions" ." file and {$oInfo[2]} as type. Dimensions"
." {$info[0]}x{$info[1]}"); ." {$oInfo[0]}x{$oInfo[1]}");
} }
/** /**
* isLoaded() * isLoaded()
* This function should always be checked after loading a file * This function should always be checked after loading a file
* with the constructor. Rteturns true if the image has been * with the constructor. Returns true if the image has been
* succesfully loaded. * succesfully loaded.
*/ */
function isLoaded() function isLoaded()
{ {
if($this->width > 0 AND $this->height > 0) if($this->iWidth > 0 AND $this->iHeight > 0)
return true; return true;
else else
return false; return false;
} }
/** /**
* Returns the latest debug log made for the last function. If $full is * Returns the latest debug log made for the last function. If $bFull is
* set it will return the full log as array of the object. * set it will return the full log as array of the object.
*/ */
function get_debuglog($full = 0) function get_debuglog($bFull = 0)
{ {
if($full) if($bFull)
return $this->debug_log; return $this->aDebugLog;
else else
return end($this->debug_log); return end($this->aDebugLog);
} }
function get_width() function get_width()
{ {
return $this->width; return $this->iWidth;
} }
function get_height() function get_height()
{ {
return $this->height; return $this->iHeight;
} }
/** /**
@@ -97,46 +103,46 @@ class Image {
*/ */
function get_image_resource() function get_image_resource()
{ {
return $this->image; return $this->oImage;
} }
/** /**
* make_thumb() * make_thumb()
* *
* Calculates resize based on one parameter and calculates the other * Calculates resize based on one parameter and calculates the other
* with the right aspect ratio. If you want to use $new_height set * with the right aspect ratio. If you want to use $iNewHeight set
* $new_width to 0. * $iNewWidth to 0.
* *
* If none are set APPDB_THUMBNAIL_WIDTH is used. If both are set * If none are set APPDB_THUMBNAIL_WIDTH is used. If both are set
* $new_width is used. * $iNewWidth is used.
* *
* If you want to make a border, look at resize_image_border() comment * If you want to make a border, look at resize_image_border() comment
* and set $border_width and $border_color as appropriate. * and set $iBorderWidth and $sBorderColor as appropriate.
* *
*/ */
function make_thumb($new_width, $new_height, $border_width = 0, $border_color = '') function make_thumb($iNewWidth, $iNewHeight, $iBorderWidth = 0, $sBorderColor = '')
{ {
if($new_width == 0 AND $new_height == 0) if($iNewWidth == 0 AND $iNewHeight == 0)
{ {
$new_width = APPDB_THUMBNAIL_WIDTH; $iNewWidth = APPDB_THUMBNAIL_WIDTH;
$new_height = $this->calculate_proportions($this->width, $this->height,$new_width); $iNewHeight = $this->calculate_proportions($this->iWidth, $this->iHeight,$iNewWidth);
} }
else if($new_width > 0) else if($iNewWidth > 0)
{ {
$new_height = $this->calculate_proportions($this->width, $this->height,$new_width); $iNewHeight = $this->calculate_proportions($this->iWidth, $this->iHeight,$iNewWidth);
} }
else if($new_height > 0) else if($iNewHeight > 0)
{ {
$new_width = $this->calculate_proportions($this->width, $this->height, 0, $new_height); $iNewWidth = $this->calculate_proportions($this->iWidth, $this->iHeight, 0, $iNewHeight);
} }
$this->set_debuglog("Resizing image to $new_width x $new_height"); $this->set_debuglog("Resizing image to $iNewWidth x $iNewHeight");
if(!empty($border_color) and $border_width > 0) if(!empty($sBorderColor) and $iBorderWidth > 0)
$this->resize_image_border($border_color,$border_width,$new_height,$new_width); $this->resize_image_border($sBorderColor,$iBorderWidth,$iNewHeight,$iNewWidth);
else else
$this->resize_image($new_width,$new_height); $this->resize_image($iNewWidth,$iNewHeight);
} }
/** /**
@@ -148,96 +154,97 @@ class Image {
* If none are set APPDB_SCREENSHOT_MAXWIDTH and APPDB_SCREENSHOT_MAXHEIGHT * If none are set APPDB_SCREENSHOT_MAXWIDTH and APPDB_SCREENSHOT_MAXHEIGHT
* are used. * are used.
*/ */
function make_full($max_width = 0, $max_height = 0) function make_full($iMaxWidth = 0, $iMaxHeight = 0)
{ {
if(!$max_width > 0) if(!$iMaxWidth > 0)
$max_width = APPDB_SCREENSHOT_MAXWIDTH; $iMaxWidth = APPDB_SCREENSHOT_MAXWIDTH;
if(!$max_height > 0) if(!$iMaxHeight > 0)
$max_height = APPDB_SCREENSHOT_MAXHEIGHT; $iMaxHeight = APPDB_SCREENSHOT_MAXHEIGHT;
if($this->width > $max_width) if($this->iWidth > $iMaxWidth)
{ {
/* The width is too much */ /* The width is too much */
$new_width = $max_width; $iNewWidth = $iMaxWidth;
$new_height = $this->calculate_proportions($this->width,$this->height,$new_width); $iNewHeight = $this->calculate_proportions($this->iWidth,$this->iHeight,$iNewWidth);
/* Check if the height is also within the limits */ /* Check if the height is also within the limits */
if($new_height > $max_height ) if($iNewHeight > $iMaxHeight )
{ {
$new_width = $this->calculate_proportions($new_width,$new_height,0,$max_height); $iNewWidth = $this->calculate_proportions($iNewWidth,$iNewHeight,0,$iMaxHeight);
$new_height = $max_height; $iNewHeight = $iMaxHeight;
} }
} }
else if($this->height > $max_height) else if($this->iHeight > $iMaxHeight)
{ {
/* Width was ok, height not */ /* Width was ok, height not */
$new_width = $this->calculate_proportions($this->width,$this->height,0,$max_height); $iNewWidth = $this->calculate_proportions($this->iWidth,$this->iHeight,0,$iMaxHeight);
$new_height = $max_height; $iNewHeight = $iMaxHeight;
} }
else else
{ {
/* All ok */ /* All ok */
$new_width = $this->width; $iNewWidth = $this->iWidth;
$new_height = $this->height; $iNewHeight = $this->iHeight;
} }
$this->set_debuglog("Resizing image to $new_width x $new_height"); $this->set_debuglog("Resizing image to $iNewWidth x $iNewHeight");
$this->resize_image($new_width, $new_height); $this->resize_image($iNewWidth, $iNewHeight);
} }
/** /**
* resize_image() * resize_image()
* *
* Resizes the image with the width and height specified with * Resizes the image with the width and height specified with
* $new_height and $new_width. * $iNewHeight and $iNewWidth.
*/ */
function resize_image($new_width, $new_height) function resize_image($iNewWidth, $iNewHeight)
{ {
// GD 2.x // GD 2.x
if(function_exists("imagecreatetruecolor")) if(function_exists("imagecreatetruecolor"))
{ {
$new = imagecreatetruecolor($new_width, $new_height); $oNewImage = imagecreatetruecolor($iNewWidth, $iNewHeight);
imagecopyresampled($new,$this->image,0,0,0,0, imagecopyresampled($oNewImage,$this->oImage,0,0,0,0,
$new_width,$new_height,$this->width,$this->height); $iNewWidth,$iNewHeight,$this->iWidth,$this->iHeight);
} else // GD 1.x } else // GD 1.x
{ {
$new = imagecreate($new_width, $new_height); $oNewImage = imagecreate($iNewWidth, $iNewHeight);
imagecopyresized($new,$this->image,0,0,0,0, imagecopyresized($oNewImage,$this->oImage,0,0,0,0,
$new_width,$new_height,$this->width,$this->height); $iNewWidth,$iNewHeight,$this->iWidth,$this->iHeight);
} }
$this->set_debuglog("imagecopyresized($new,$this->image,0,0,0,0,$new_width,$new_height,$this->width,$this->height);"); $this->set_debuglog("imagecopyresized($new,$this->oImage,0,0,0,0,$iNewWidth,"
imagedestroy($this->image); ."$iNewHeight,$this->iWidth,$this->iHeight);");
$this->image = $new; imagedestroy($this->oImage);
$this->width = $new_witdh; $this->oImage = $oNewImage;
$this->height= $new_height; $this->iWidth = $iNewWidth;
$this->iHeight= $iNewHeight;
} }
/** /**
* resize_image_border() * resize_image_border()
* *
* Resizes the image. With the $new_width + $border_width*2 * Resizes the image. With the $iNewWidth + $iBorderWidth*2
* and $new_height + $border_width*2 as size. $border_color is a * and $iNewHeight + $iBorderWidth*2 as size. $sBorderColor is a
* HTML hexadecimal color (like #0000FF) * HTML hexadecimal color (like #0000FF)
*/ */
function resize_image_border($border_color, $border_width, $new_height, $new_width) function resize_image_border($sBorderColor, $iBorderWidth, $iNewHeight, $iNewWidth)
{ {
$r = hexdec(substr($border_color, 1, 2)); $r = hexdec(substr($sBorderColor, 1, 2));
$g = hexdec(substr($border_color, 3, 2)); $g = hexdec(substr($sBorderColor, 3, 2));
$b = hexdec(substr($border_color, 5, 2)); $b = hexdec(substr($sBorderColor, 5, 2));
/* We multiply the border width by two because there are are borders /* We multiply the border width by two because there are are borders
at both sides */ at both sides */
// GD 2.x // GD 2.x
if(function_exists("imagecreatetruecolor")) if(function_exists("imagecreatetruecolor"))
{ {
$new = imagecreatetruecolor($new_width + ($border_width*2), $new_height + ($border_width*2)); $new = imagecreatetruecolor($iNewWidth + ($iBorderWidth*2), $iNewHeight + ($iBorderWidth*2));
} else // GD 1.x } else // GD 1.x
{ {
$new = imagecreate($new_width + ($border_width*2), $new_height + ($border_width*2)); $new = imagecreate($iNewWidth + ($iBorderWidth*2), $iNewHeight + ($iBorderWidth*2));
} }
/* Make the border by filling it completely, /* Make the border by filling it completely,
@@ -248,19 +255,23 @@ class Image {
// GD 2.x // GD 2.x
if(function_exists("imagecopyresampled")) if(function_exists("imagecopyresampled"))
{ {
imagecopyresampled($new,$this->image,$border_width,$border_width,0,0, $new_width,$new_height,$this->width,$this->height); imagecopyresampled($new,$this->oImage,$iBorderWidth,$iBorderWidth,
0,0, $iNewWidth,$iNewHeight,
$this->iWidth,$this->iHeight);
} else // GD 1.x } else // GD 1.x
{ {
imagecopyresized($new,$this->image,$border_width,$border_width,0,0,$new_width,$new_height,$this->width,$this->height); imagecopyresized($new,$this->oImage,$iBorderWidth,$iBorderWidth,
0,0,$iNewWidth,$iNewHeight,
$this->iWidth,$this->iHeight);
} }
$this->set_debuglog("imagecopyresized($new,$this->image,$border_width,$border_width,0,0," $this->set_debuglog("imagecopyresized($new,$this->oImage,$iBorderWidth,$iBorderWidth,0,0,"
." $new_width,$new_height,$this->width,$this->height); with a $border_width px border" ." $iNewWidth,$iNewHeight,$this->iWidth,$this->iHeight); with a $iBorderWidth px border"
." in $border_color"); ." in $sBorderColor");
imagedestroy($this->image); imagedestroy($this->oImage);
$this->image = $new; $this->oImage = $new;
$this->width = $new_witdh; $this->iWidth = $new_witdh;
$this->height= $new_height; $this->iHeight= $iNewHeight;
} }
/** /**
@@ -275,48 +286,51 @@ class Image {
* A warning for transparency. If you resize an image down with make_thumb() * A warning for transparency. If you resize an image down with make_thumb()
* you loose the transparency on png images. * you loose the transparency on png images.
*/ */
function add_watermark($watermark,$min_mark_width = 0,$min_mark_height = 0) function add_watermark($oWatermark, $iMinMarkWidth = 0, $iMinMarkHeight = 0)
{ {
$iWatermarkWidth = imagesx($oWatermark);
$watermark_width = imagesx($watermark); $iWatermarkHeight = imagesy($oWatermark);
$watermark_height = imagesy($watermark);
if($this->width > $min_mark_width AND $this->height > $min_mark_height) if($this->iWidth > $iMinMarkWidth AND
$this->iHeight > $iMinMarkHeight)
{ {
$watermark_x = $this->width - $watermark_width; $iWatermark_x = $this->iWidth - $iWatermarkWidth;
$watermark_y = $this->height - $watermark_height; $iWatermark_y = $this->iHeight - $iWatermarkHeight;
imagecopy($this->image, $watermark, $watermark_x, $watermark_y, 0, 0, $watermark_width, $watermark_height); imagecopy($this->oImage, $oWatermark, $iWatermark_x, $iWatermark_y,
0, 0, $iWatermarkWidth, $iWatermarkHeight);
$this->set_debuglog("imagecopy($this->image, $watermark, $watermark_x, $watermark_y, 0, 0, $watermark_width, $watermark_height);"); $this->set_debuglog("imagecopy($this->oImage, $oWatermark,"
."$iWatermark_x, $iWatermark_y, 0, 0,"
."$iWatermarkWidth, $iWatermarkHeight);");
} }
} }
/** /**
* Output the image to a file set with $store. * Output the image to a file set with $store.
* *
* $type is optional and is set like the second index of getimagesize(). * $iType is optional and is set like the second index of getimagesize().
* If none (or 0) is set the orginal type of the file is used. * If none (or 0) is set the orginal type of the file is used.
* If $store is not give, the current file name will be used. * If $store is not give, the current file name will be used.
* $quality is the jpeg output quality (100 best, 0 worst). Default is 75 * $quality is the jpeg output quality (100 best, 0 worst). Default is 75
*/ */
function output_to_file($store=null, $type = 0, $quality = 75) function output_to_file($sOutputFilename=null, $iType = 0, $iQuality = 75)
{ {
if(!$store) if(!$sOutputFilename)
$store = $this->file; $sOutputFilename = $this->sFile;
if($type == 0) if($iType == 0)
$type = $this->type; $iType = $this->iType;
switch($type) switch($iType)
{ {
case 2: case 2:
imagejpeg($this->image,$store,$quality); imagejpeg($this->oImage, $sOutputFilename, $iQuality);
$this->set_debuglog("Outputed file as jpeg to $store"); $this->set_debuglog("Outputed file as jpeg to $sOutputFilename");
break; break;
case 3: case 3:
imagepng($this->image,$store); imagepng($this->oImage, $sOutputFilename);
$this->set_debuglog("Outputed file as png to $store"); $this->set_debuglog("Outputed file as png to $sOutputFilename");
break; break;
default: default:
@@ -330,31 +344,31 @@ class Image {
/** /**
* Output the files to the browser. * Output the files to the browser.
* *
* If $header is true a Content-type header with the correct type * If $bHeader is true a Content-type header with the correct type
* is set. * is set.
* $type is optional and is set like the second index of getimagesize(). * $iType is optional and is set like the second index of getimagesize().
* If none (or 0) is set the orginal type of the file is used. * If none (or 0) is set the orginal type of the file is used.
* *
* $quality is the jpeg output quality (100 best, 0 worst) * $iQuality is the jpeg output quality (100 best, 0 worst)
*/ */
function output_to_browser($header, $type = 0, $quality = 75) function output_to_browser($bHeader, $iType = 0, $iQuality = 75)
{ {
if($type == 0 ) if($iType == 0 )
$type = $this->type; $iType = $this->iType;
switch($type) switch($iType)
{ {
case 2: case 2:
if($header) if($bHeader)
header('Content-type: image/jpeg'); header('Content-type: image/jpeg');
imagejpeg($this->image,'',$quality); imagejpeg($this->oImage,'',$iQuality);
$this->set_debuglog("Outputed file as jpeg to browser"); $this->set_debuglog("Outputed file as jpeg to browser");
break; break;
case 3: case 3:
if($header) if($bHeader)
header('Content-type: image/png'); header('Content-type: image/png');
imagepng($this->image); imagepng($this->oImage);
$this->set_debuglog("Outputed file as png to browser"); $this->set_debuglog("Outputed file as png to browser");
break; break;
@@ -369,8 +383,8 @@ class Image {
*/ */
function destroy() function destroy()
{ {
if(is_resource($this->image)) if(is_resource($this->oImage))
imagedestroy($this->image); imagedestroy($this->oImage);
} }
/** /**
@@ -378,7 +392,7 @@ class Image {
*/ */
function delete() function delete()
{ {
unlink($this->file); unlink($this->sFile);
} }
@@ -386,17 +400,19 @@ class Image {
* PRIVATE FUNCTIONS * PRIVATE FUNCTIONS
************************/ ************************/
function set_debuglog( $log ) { function set_debuglog( $sLog )
$this->debug_log[] = $log; {
$this->aDebugLog[] = $sLog;
} }
function calculate_proportions($width, $height, $new_width, $new_height = '0') function calculate_proportions($iWidth, $iHeight,
$iNewWidth, $iNewHeight = '0')
{ {
if($new_width > 0) if($iNewWidth > 0)
// we want to calculate the new height // we want to calculate the new height
return ($height * $new_width) / $width; return ($iHeight * $iNewWidth) / $iWidth;
else if( $new_height > 0 ) else if( $iNewHeight > 0 )
return ($width * $new_height) / $height; return ($iWidth * $iNewHeight) / $iHeight;
else else
return 0; return 0;
} }
@@ -406,16 +422,17 @@ class Image {
class ImageResource extends Image { class ImageResource extends Image {
function ImageResource($data,$type){ function ImageResource($oImage,$iType)
{
$this->image = $data; $this->oImage = $oImage;
$this->width = imagesx($data); $this->iWidth = imagesx($oImage);
$this->height = imagesy($data); $this->iHeight = imagesy($oImage);
$this->type = $type; $this->iType = $iType;
$this->set_debuglog("New image class created with as $data as" $this->set_debuglog("New image class created with as $oImage as"
." image resource and $type as type. Dimensions" ." image resource and $iType as type. Dimensions"
." {$this->width}x{$this->height}"); ." {$this->iWidth}x{$this->iHeight}");
} }
} }
?> ?>

5
unit_test/run_tests.php
View File

@@ -5,9 +5,12 @@
/* TODO: test the rest of the classes we have */ /* TODO: test the rest of the classes we have */
error_reporting(E_ALL ^ E_NOTICE);
include_once("test_user.php"); include_once("test_user.php");
echo "\n"; echo "\n";
include_once("test_db.php"); include_once("test_db.php");
echo "\n";
include_once("test_image.php");
?> ?>

248
unit_test/test_image.php Normal file
View File

@@ -0,0 +1,248 @@
<?php
/* unit tests for class image */
require_once("path.php");
require_once("test_common.php");
DEFINE(TEST_IMAGE_FILENAME, "/images/appdb_montage.jpg");
DEFINE(TEST_IMAGE_OUTPUT_FILENAME, "/tmp/tmpfile.png");
DEFINE(TEST_IMAGE_WIDTH, 391);
DEFINE(TEST_IMAGE_HEIGHT, 266);
DEFINE(TEST_IMAGE_WATERMARK, "/images/watermark.png");
function test_image_constructor()
{
test_start(__FUNCTION__);
$sImageFilename = TEST_IMAGE_FILENAME;
/* create a new image from a known image file */
$oImage = new Image($sImageFilename);
if(!$oImage->isLoaded())
{
echo "Error, unable to load image filename of ".$sImageFilename."\n";
echo "Internal filename is: ".$oImage->sFile."\n";
return false;
}
/* make sure the image size is correct */
if($oImage->get_width() != TEST_IMAGE_WIDTH)
{
echo "Expected width of ".TEST_IMAGE_WIDTH.", got ".$oImage->get_width()."\n";
return false;
}
if($oImage->get_height() != TEST_IMAGE_HEIGHT)
{
echo "Expected width of ".TEST_IMAGE_HEIGHT.", got ".$oImage->get_height()."\n";
return false;
}
/* test that isLoaded() returns false if we create an */
/* image object from a file that doesn't exist */
$oImage = new Image("somefilethatdoesntexist.png");
if($oImage->isLoaded())
{
echo "Error, isLoaded() returned true for a image that doesn't exist, expected false!\n";
return false;
}
return true;
}
function test_image_make_thumbnail()
{
test_start(__FUNCTION__);
$sImageFilename = TEST_IMAGE_FILENAME;
/* create a new image from a known image file */
$oImage = new Image($sImageFilename);
if(!$oImage->isLoaded())
{
echo "Error, unable to load image filename of ".$sImageFilename."\n";
echo "Internal filename is: ".$oImage->sFile."\n";
return false;
}
$iWidth = 100;
$iHeight = ($iWidth * TEST_IMAGE_HEIGHT) / TEST_IMAGE_WIDTH; /* compute the expected height
from the ratio of the height
to width of the original image */
$iBorderWidth = 20;
$oImage->make_thumb($iWidth, $iHeight, $iBorderWidthm, "#0000FF");
/* did we get the correct size? */
$iActualWidth = $oImage->get_width();
if($iActualWidth != $iWidth)
{
echo "Expected width of $iWidth, got ".$iActualWidth."\n";
echo $oImage->get_debuglog(false);
return false;
}
$iActualHeight = $oImage->get_height();
if($iActualHeight != $iHeight)
{
echo "Expected height of $iHeight, got ".$iActualHeight."\n";
echo $oImage->get_debuglog(false);
return false;
}
return true;
}
function test_image_make_full()
{
test_start(__FUNCTION__);
$sImageFilename = TEST_IMAGE_FILENAME;
/* create a new image from a known image file */
$oImage = new Image($sImageFilename);
if(!$oImage->isLoaded())
{
echo "Error, unable to load image filename of ".$sImageFilename."\n";
echo "Internal filename is: ".$oImage->sFile."\n";
return false;
}
$iWidth = 1000;
$iHeight = ($iWidth * TEST_IMAGE_HEIGHT) / TEST_IMAGE_WIDTH;
$oImage->make_full($iWidth, $iHeight);
/* we expect the width and height to be limited to the size of the image */
$iWidth = TEST_IMAGE_WIDTH;
$iHeight = TEST_IMAGE_HEIGHT;
/* did we get the correct size? */
$iActualWidth = $oImage->get_width();
if($iActualWidth != $iWidth)
{
echo "Expected width of $iWidth, got ".$iActualWidth."\n";
echo $oImage->get_debuglog(false);
return false;
}
$iActualHeight = $oImage->get_height();
if($iActualHeight != $iHeight)
{
echo "Expected height of $iHeight, got ".$iActualHeight."\n";
echo $oImage->get_debuglog(false);
return false;
}
return true;
}
function test_image_output_to_file()
{
test_start(__FUNCTION__);
$sImageFilename = TEST_IMAGE_FILENAME;
/* create a new image from a known image file */
$oImage = new Image($sImageFilename);
if(!$oImage->isLoaded())
{
echo "Error, unable to load image filename of ".$sImageFilename."\n";
echo "Internal filename is: ".$oImage->sFile."\n";
return false;
}
/* write the file to disk */
if(!$oImage->output_to_file(TEST_IMAGE_OUTPUT_FILENAME))
{
echo "image::output_to_file failed to output to filename of ".TEST_IMAGE_OUTPUT_FILENAME."\n";
return false;
}
/* check that we can load this file up */
$oImage2 = new Image(TEST_IMAGE_OUTPUT_FILENAME, true);
if(!$oImage2->isLoaded())
{
echo "Error, unable to load newly output image filename of ".TEST_IMAGE_OUTPUT_FILENAME."\n";
echo "Internal filename is: ".$oImage2->sFile."\n";
return false;
}
/* and make sure we can now remove it */
$oImage2->delete();
/* and check that it is unlinked by trying to open it up again */
$oImage2 = new Image(TEST_IMAGE_OUTPUT_FILENAME, true);
if($oImage2->isLoaded())
{
echo "Error, unlinking filename of ".TEST_IMAGE_OUTPUT_FILENAME." failed, we are able to\n";
echo " open up a file that should have been deleted.\n";
echo "Internal filename is: ".$oImage2->sFile."\n";
return false;
}
return true;
}
function test_image_add_watermark()
{
test_start(__FUNCTION__);
$sImageFilename = TEST_IMAGE_FILENAME;
/* create a new image from a known image file */
$oImage = new Image($sImageFilename);
if(!$oImage->isLoaded())
{
echo "Error, unable to load image filename of ".$sImageFilename."\n";
echo "Internal filename is: ".$oImage->sFile."\n";
return false;
}
/* load the watermark up */
$oWatermark = new Image(TEST_IMAGE_WATERMARK);
if(!$oWatermark->isLoaded())
{
echo "Error, unable to load image filename of ".TEST_IMAGE_WATERMARK."\n";
echo "Internal filename is: ".$oWatermark->sFile."\n";
return false;
}
$oImage->add_watermark($oWatermark->get_image_resource(), 50, 50);
return true;
}
if(!test_image_constructor())
echo "test_image_constructor() failed!\n";
else
echo "test_image_constructor() passed\n";
if(!test_image_make_thumbnail())
echo "test_image_make_thumbnail() failed!\n";
else
echo "test_image_make_thumbnail() passed\n";
if(!test_image_make_full())
echo "test_image_make_full() failed!\n";
else
echo "test_image_make_full() passed\n";
if(!test_image_output_to_file())
echo "test_image_output_to_file() failed!\n";
else
echo "test_image_output_to_file() passed\n";
if(!test_image_add_watermark())
echo "test_image_add_watermark() failed!\n";
else
echo "test_image_add_watermark() passed\n";
?>