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<?

/**

* 獲取圖象信息的函數

*

* 一個全面獲取圖象信息的函數

*

* @access public

* @param string img 圖片路徑

* @return array

*/

function GetImageInfoVal(ImageInfo,val_arr) {

InfoVal = "未知";

foreach(val_arr as name=>val) {

if (name==ImageInfo) {

InfoVal = &val;

break;

}

}

return InfoVal;

}

function GetImageInfo(img) {

imgtype = array("", "GIF", "JPG", "PNG", "SWF", "PSD", "BMP", "TIFF(intel byte order)", "TIFF(motorola byte order)", "JPC", "JP2", "JPX", "JB2", "SWC", "IFF", "WBMP", "XBM");

Orientation = array("", "top left side", "top right side", "bottom right side", "bottom left side", "left side top", "right side top", "right side bottom", "left side bottom");

ResolutionUnit = array("", "", "英寸", "厘米");

YCbCrPositioning = array("", "the center of pixel array", "the datum point");

ExposureProgram = array("未定義", "手動", "標準程序", "光圈先決", "快門先決", "景深先決", "運動模式", "肖像模式", "風景模式");

MeteringMode_arr = array(

"0" => "未知",

"1" => "平均",

"2" => "中央重點平均測光",

"3" => "點測",

"4" => "分區",

"5" => "評估",

"6" => "局部",

"255" => "其他"

);

Lightsource_arr = array(

"0" => "未知",

"1" => "日光",

"2" => "熒光燈",

"3" => "鎢絲燈",

"10" => "閃光燈",

"17" => "標準燈光A",

"18" => "標準燈光B",

"19" => "標準燈光C",

"20" => "D55",

"21" => "D65",

"22" => "D75",

"255" => "其他"

);

Flash_arr = array(

"0" => "flash did not fire",

"1" => "flash fired",

"5" => "flash fired but strobe return light not detected",

"7" => "flash fired and strobe return light detected",

);

exif = exif_read_data (img,"IFD0");

if (exif===false) {

new_img_info = array ("文件信息" => "沒有圖片EXIF信息");

}

else

{

exif = exif_read_data (img,0,true);

new_img_info = array (

"文件信息" => "-----------------------------",

"文件名" => exif[FILE][FileName],

"文件類型" => imgtype[exif[FILE][FileType]],

"文件格式" => exif[FILE][MimeType],

"文件大小" => exif[FILE][FileSize],

"時間戳" => date("Y-m-d H:i:s",exif[FILE][FileDateTime]),

"圖像信息" => "-----------------------------",

"圖片說明" => exif[IFD0][ImageDescription],

"制造商" => exif[IFD0][Make],

"型號" => exif[IFD0][Model],

"方向" => Orientation[exif[IFD0][Orientation]],

"水平分辨率" => exif[IFD0][XResolution].ResolutionUnit[exif[IFD0][ResolutionUnit]],

"垂直分辨率" => exif[IFD0][YResolution].ResolutionUnit[exif[IFD0][ResolutionUnit]],

"創建軟件" => exif[IFD0][Software],

"修改時間" => exif[IFD0][DateTime],

"作者" => exif[IFD0][Artist],

"YCbCr位置控制" => YCbCrPositioning[exif[IFD0][YCbCrPositioning]],

"版權" => exif[IFD0][Copyright],

"攝影版權" => exif[COMPUTED][Copyright.Photographer],

"編輯版權" => exif[COMPUTED][Copyright.Editor],

"拍攝信息" => "-----------------------------",

"Exif版本" => exif[EXIF][ExifVersion],

"FlashPix版本" => "Ver. ".number_format(exif[EXIF][FlashPixVersion]/100,2),

"拍攝時間" => exif[EXIF][DateTimeOriginal],

"數字化時間" => exif[EXIF][DateTimeDigitized],

"拍攝分辨率高" => exif[COMPUTED][Height],

"拍攝分辨率寬" => exif[COMPUTED][Width],

/*

The actual aperture value of lens when the image was taken.

Unit is APEX.

To convert this value to ordinary F-number(F-stop),

calculate this value's power of root 2 (=1.4142).

For example, if the ApertureValue is '5', F-number is pow(1.41425,5) = F5.6.

*/

"光圈" => exif[EXIF][ApertureValue],

"快門速度" => exif[EXIF][ShutterSpeedValue],

"快門光圈" => exif[COMPUTED][ApertureFNumber],

"最大光圈值" => "F".exif[EXIF][MaxApertureValue],

"曝光時間" => exif[EXIF][ExposureTime],

"F-Number" => exif[EXIF][FNumber],

"測光模式" => GetImageInfoVal(exif[EXIF][MeteringMode],MeteringMode_arr),

"光源" => GetImageInfoVal(exif[EXIF][LightSource], Lightsource_arr),

"閃光燈" => GetImageInfoVal(exif[EXIF][Flash], Flash_arr),

"曝光模式" => (exif[EXIF][ExposureMode]==1?"手動":"自動"),

"白平衡" => (exif[EXIF][WhiteBalance]==1?"手動":"自動"),

"曝光程序" => ExposureProgram[exif[EXIF][ExposureProgram]],

/*

Brightness of taken subject, unit is APEX. To calculate Exposure(Ev) from BrigtnessValue(Bv), you must add SensitivityValue(Sv).

Ev=Bv+Sv Sv=log((ISOSpeedRating/3.125),2)

ISO100:Sv=5, ISO200:Sv=6, ISO400:Sv=7, ISO125:Sv=5.32.

*/

"曝光補償" => exif[EXIF][ExposureBiasValue]."EV",

"ISO感光度" => exif[EXIF][ISOSpeedRatings],

"分量配置" => (bin2hex(exif[EXIF][ComponentsConfiguration])=="01020300"?"YCbCr":"RGB"),//'0x04,0x05,0x06,0x00'="RGB" '0x01,0x02,0x03,0x00'="YCbCr"

"圖像壓縮率" => exif[EXIF][CompressedBitsPerPixel]."Bits/Pixel",

"對焦距離" => exif[COMPUTED][FocusDistance]."m",

"焦距" => exif[EXIF][FocalLength]."mm",

"等價35mm焦距" => exif[EXIF][FocalLengthIn35mmFilm]."mm",

/*

Stores user comment. This tag allows to use two-byte character code or unicode. First 8 bytes describe the character code. 'JIS' is a Japanese character code (known as Kanji).

'0x41,0x53,0x43,0x49,0x49,0x00,0x00,0x00':ASCII

'0x4a,0x49,0x53,0x00,0x00,0x00,0x00,0x00':JIS

'0x55,0x4e,0x49,0x43,0x4f,0x44,0x45,0x00':Unicode

'0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00':Undefined

*/

"用戶注釋編碼" => exif[COMPUTED][UserCommentEncoding],

"用戶注釋" => exif[COMPUTED][UserComment],

"色彩空間" => (exif[EXIF][ColorSpace]==1?"sRGB":"Uncalibrated"),

"Exif圖像寬度" => exif[EXIF][ExifImageLength],

"Exif圖像高度" => exif[EXIF][ExifImageWidth],

"文件來源" => (bin2hex(exif[EXIF][FileSource])==0x03?"digital still camera":"unknown"),

"場景類型" => (bin2hex(exif[EXIF][SceneType])==0x01?"A directly photographed image":"unknown"),

"縮略圖文件格式" => exif[COMPUTED][Thumbnail.FileType],

"縮略圖Mime格式" => exif[COMPUTED][Thumbnail.MimeType]

);

}

return new_img_info;

}

innerhtml = "";

exif = GetImageInfo(_GET['img']);

innerhtml .= "<TABLE>";

foreach(exif as name=>val) {

innerhtml .= "<TR><TD>{name}</TD><TD>{val}</TD></TR>";

}

innerhtml .= "<TR><TD colspan="2">";

if (_GET['img']) {

image = exif_thumbnail(_GET['img']);

} else {

image = false;

}

if (image!==false) {

innerhtml .= "<img src="thumbnail.php?img="._GET['img']."">";

} else {

// no thumbnail available, handle the error here

innerhtml .= "No thumbnail available";

}

innerhtml .= "</TD></TR></TABLE>";

?>

<html>

<head>

<title>圖片信息</title>

<meta http-equiv="Content-Type" content="text/html; charset=??????">

</head>

<body>

<SCRIPT>

<!--

//初始化內容值

parent.followTd<?=_GET['r_id'];?>.innerHTML='<?=innerhtml;?>';

//已讀取

parent.document.images.followImg<?=_GET['r_id'];?>.loaded='yes';

-->

</SCRIPT>

</body>

</html>

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