注释和规范化调整及完善

注释和规范化调整及完善,以及部分代码优化
This commit is contained in:
yicheng
2015-12-06 01:56:10 +08:00
parent 491e33af8f
commit 47335634e9
37 changed files with 385 additions and 187 deletions

View File

@@ -10,9 +10,6 @@
// +----------------------------------------------------------------------
namespace think\image\driver;
use think\image\driver\GIFDecoder as GIFDecoder;
use think\image\driver\GIFEncoder as GIFEncoder;
class Gif
{
/**
@@ -44,7 +41,7 @@ class Gif
$de = new GIFDecoder($src);
$this->frames = $de->GIFGetFrames();
$this->delays = $de->GIFGetDelays();
} catch (Exception $e) {
} catch (\Exception $e) {
throw new \Exception("解码GIF图片出错");
}
}
@@ -53,7 +50,7 @@ class Gif
/**
* 设置或获取当前帧的数据
* @param string $stream 二进制数据流
* @return boolean 获取到的数据
* @return mixed 获取到的数据
*/
public function image($stream = null)
{
@@ -85,7 +82,6 @@ class Gif
}
}
/*
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
::
@@ -110,8 +106,7 @@ class Gif
::
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*/
class GIFEncoder
class GIFEncode
{
public $GIF = "GIF89a"; /* GIF header 6 bytes */
public $VER = "GIFEncoder V2.05"; /* Encoder version */
@@ -139,14 +134,14 @@ class GIFEncoder
$GIF_src, $GIF_dly, $GIF_lop, $GIF_dis,
$GIF_red, $GIF_grn, $GIF_blu, $GIF_mod
) {
if (!is_array($GIF_src) && !is_array($GIF_tim)) {
if (!is_array($GIF_src)) {
printf("%s: %s", $this->VER, $this->ERR['ERR00']);
exit(0);
}
$this->LOP = ($GIF_lop > -1) ? $GIF_lop : 0;
$this->DIS = ($GIF_dis > -1) ? (($GIF_dis < 3) ? $GIF_dis : 3) : 2;
$this->COL = ($GIF_red > -1 && $GIF_grn > -1 && $GIF_blu > -1) ?
($GIF_red | ($GIF_grn << 8) | ($GIF_blu << 16)) : -1;
($GIF_red | ($GIF_grn << 8) | ($GIF_blu << 16)) : -1;
for ($i = 0; $i < count($GIF_src); $i++) {
if (strToLower($GIF_mod) == "url") {
@@ -163,23 +158,23 @@ class GIFEncoder
}
for ($j = (13 + 3 * (2 << (ord($this->BUF[$i]{10}) & 0x07))), $k = true; $k; $j++) {
switch ($this->BUF[$i]{ $j}) {
case "!":
if ((substr($this->BUF[$i], ($j + 3), 8)) == "NETSCAPE") {
printf("%s: %s ( %s source )!", $this->VER, $this->ERR['ERR03'], ($i + 1));
exit(0);
}
break;
case ";":
$k = false;
break;
case "!":
if ((substr($this->BUF[$i], ($j + 3), 8)) == "NETSCAPE") {
printf("%s: %s ( %s source )!", $this->VER, $this->ERR['ERR03'], ($i + 1));
exit(0);
}
break;
case ";":
$k = false;
break;
}
}
}
GIFEncoder::GIFAddHeader();
self::GIFAddHeader();
for ($i = 0; $i < count($this->BUF); $i++) {
GIFEncoder::GIFAddFrames($i, $GIF_dly[$i]);
self::GIFAddFrames($i, $GIF_dly[$i]);
}
GIFEncoder::GIFAddFooter();
self::GIFAddFooter();
}
/*
:::::::::::::::::::::::::::::::::::::::::::::::::::
@@ -189,14 +184,13 @@ class GIFEncoder
*/
public function GIFAddHeader()
{
$cmap = 0;
if (ord($this->BUF[0]{10}) & 0x80) {
$cmap = 3 * (2 << (ord($this->BUF[0]{10}) & 0x07));
$this->GIF .= substr($this->BUF[0], 6, 7);
$this->GIF .= substr($this->BUF[0], 13, $cmap);
$this->GIF .= "!\377\13NETSCAPE2.0\3\1" . GIFEncoder::GIFWord($this->LOP) . "\0";
$this->GIF .= "!\377\13NETSCAPE2.0\3\1" . self::GIFWord($this->LOP) . "\0";
}
}
/*
@@ -207,7 +201,7 @@ class GIFEncoder
*/
public function GIFAddFrames($i, $d)
{
$Locals_img='';
$Locals_str = 13 + 3 * (2 << (ord($this->BUF[$i]{10}) & 0x07));
$Locals_end = strlen($this->BUF[$i]) - $Locals_str - 1;
@@ -217,12 +211,12 @@ class GIFEncoder
$Locals_len = 2 << (ord($this->BUF[$i]{10}) & 0x07);
$Global_rgb = substr($this->BUF[0], 13,
3 * (2 << (ord($this->BUF[0]{10}) & 0x07)));
3 * (2 << (ord($this->BUF[0]{10}) & 0x07)));
$Locals_rgb = substr($this->BUF[$i], 13,
3 * (2 << (ord($this->BUF[$i]{10}) & 0x07)));
3 * (2 << (ord($this->BUF[$i]{10}) & 0x07)));
$Locals_ext = "!\xF9\x04" . chr(($this->DIS << 2) + 0) .
chr(($d >> 0) & 0xFF) . chr(($d >> 8) & 0xFF) . "\x0\x0";
chr(($d >> 0) & 0xFF) . chr(($d >> 8) & 0xFF) . "\x0\x0";
if ($this->COL > -1 && ord($this->BUF[$i]{10}) & 0x80) {
for ($j = 0; $j < (2 << (ord($this->BUF[$i]{10}) & 0x07)); $j++) {
@@ -232,24 +226,27 @@ class GIFEncoder
ord($Locals_rgb{3 * $j + 2}) == (($this->COL >> 0) & 0xFF)
) {
$Locals_ext = "!\xF9\x04" . chr(($this->DIS << 2) + 1) .
chr(($d >> 0) & 0xFF) . chr(($d >> 8) & 0xFF) . chr($j) . "\x0";
chr(($d >> 0) & 0xFF) . chr(($d >> 8) & 0xFF) . chr($j) . "\x0";
break;
}
}
}
switch ($Locals_tmp{0}) {
case "!":
$Locals_img = substr($Locals_tmp, 8, 10);
$Locals_tmp = substr($Locals_tmp, 18, strlen($Locals_tmp) - 18);
break;
case ",":
$Locals_img = substr($Locals_tmp, 0, 10);
$Locals_tmp = substr($Locals_tmp, 10, strlen($Locals_tmp) - 10);
break;
case "!":
/**
* @var string $Locals_img;
*/
$Locals_img = substr($Locals_tmp, 8, 10);
$Locals_tmp = substr($Locals_tmp, 18, strlen($Locals_tmp) - 18);
break;
case ",":
$Locals_img = substr($Locals_tmp, 0, 10);
$Locals_tmp = substr($Locals_tmp, 10, strlen($Locals_tmp) - 10);
break;
}
if (ord($this->BUF[$i]{10}) & 0x80 && $this->IMG > -1) {
if ($Global_len == $Locals_len) {
if (GIFEncoder::GIFBlockCompare($Global_rgb, $Locals_rgb, $Global_len)) {
if (self::GIFBlockCompare($Global_rgb, $Locals_rgb, $Global_len)) {
$this->GIF .= ($Locals_ext . $Locals_img . $Locals_tmp);
} else {
$byte = ord($Locals_img{9});
@@ -460,7 +457,6 @@ class GIFDecoder
*/
public function GIFReadDescriptor()
{
$GIF_screen = array();
GIFDecoder::GIFGetByte(9);
$GIF_screen = $this->GIF_buffer;