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我想畫PDF文件。以pdf文件形式提供
示例：打開PDF文件並獲取圓形，方形，文本等繪圖工具......使用這些工具將在PDF文件上繪製形狀。
我在谷歌搜索和找到像PDF.JS這樣的選項。但它沒有在覈心PHP或正常的MVC結構中實現。它在JS中實現。
任何pdf.js的替代方法在PDF文件中繪製形狀？
我在找示例視頻linked here。
A
回答
4
去年，當我來到我研究了同樣的問題，一些調整，我設法使它工作調整後。所以這裏是關於如何設置和使用我的方法的詳細解釋。
我使用兩個庫的組合：
FPDF：（˚F稀土P ortable d ocument ˚F ORMAT），這使得用PHP生成
PDF文件FPDI：（˚F稀土P ortable d ocument 我 mporter），使用現有的PDF並將其轉換爲模板，使用FPDF
首先，你需要下載兩個庫：FPDF發現here在下載部分和FPDI在this page。你會得到兩個文件夾。繼續並將它們添加到您的項目中。
這裏是我的目錄結構：
讓我們在index.php（或任何其他文件爲此事），並編輯PDF文件，我們將其命名sample.pdf。我從official documentation中發現了一些代碼，但實際上做了一些修改以簡化它。 您會看到我已將方法nextPage()添加到PDF類中，以使頁面之間的導航更容易。在一個框架，你可以簡單地輸出的PDF文件，也可以強制PDF文件下載到用戶的計算機：
<?php
require_once('FPDF/fpdf.php');
require_once('FPDI/fpdi.php');
// path of PDF file
$fullPathToFile = "sample.pdf";
class PDF extends FPDI {
var $fileIndex;
var $currentPage = 1;
function Header() {
global $fullPathToFile;
if (is_null($this->fileIndex)) {
$this->numPages = $this->setSourceFile($fullPathToFile);
$this->fileIndex = $this->importPage(1);
} $this->useTemplate($this->fileIndex, 0, 0,200);
}
function nextPage() {
if($this->currentPage != 1) {
$this->fileIndex = $this->importPage($this->currentPage);
}
$this->addPage();
return ++$this->currentPage;
}
}
// initiate PDF
$pdf = new PDF();
// go to first page
$pdf->nextPage();
// add content to current page
$pdf->SetFont("helvetica", "", 20);
$pdf->SetTextColor(220, 20, 60);
$pdf->Text(50, 20, "I should not be here!");
// move to next page and add content
$pdf->nextPage();
$pdf->SetFont("arial", "", 15);
$pdf->SetTextColor(65, 105, 225);
$pdf->Text(50, 20, "Me neither!!!");
//show the PDF in page
$pdf->Output();
的Output()方法可以接收不同的參數。 Read here瞭解更多信息。
DEMO！ 
FPDF社區寫了幾個腳本，其中一個你可能感興趣的： 它的geometric figures FPDF插件（ID script69.php）。它允許您繪製線條，矩形，曲線，橢圓，圓形，多邊形等等。
這裏有一個獎勵你：
創建一個名爲draw.php新的文件，並把提供here的源代碼。我已經提供了源代碼（前三行不同於原始源代碼，以使其工作）。
<?php
require_once('FPDF/fpdf.php');
require_once('FPDI/fpdi.php');
class PDF_Draw extends FPDI {
// Sets line style
// Parameters:
// - style: Line style. Array with keys among the following:
// . width: Width of the line in user units
// . cap: Type of cap to put on the line (butt, round, square). The difference between 'square' and 'butt' is that 'square' projects a flat end past the end of the line.
// . join: miter, round or bevel
// . dash: Dash pattern. Is 0 (without dash) or array with series of length values, which are the lengths of the on and off dashes.
// For example: (2) represents 2 on, 2 off, 2 on , 2 off ...
// (2,1) is 2 on, 1 off, 2 on, 1 off.. etc
// . phase: Modifier of the dash pattern which is used to shift the point at which the pattern starts
// . color: Draw color. Array with components (red, green, blue)
function SetLineStyle($style) {
extract($style);
if (isset($width)) {
$width_prev = $this->LineWidth;
$this->SetLineWidth($width);
$this->LineWidth = $width_prev;
}
if (isset($cap)) {
$ca = array('butt' => 0, 'round'=> 1, 'square' => 2);
if (isset($ca[$cap]))
$this->_out($ca[$cap] . ' J');
}
if (isset($join)) {
$ja = array('miter' => 0, 'round' => 1, 'bevel' => 2);
if (isset($ja[$join]))
$this->_out($ja[$join] . ' j');
}
if (isset($dash)) {
$dash_string = '';
if ($dash) {
$tab = explode(',', $dash);
$dash_string = '';
foreach ($tab as $i => $v) {
if ($i > 0)
$dash_string .= ' ';
$dash_string .= sprintf('%.2F', $v);
}
}
if (!isset($phase) || !$dash)
$phase = 0;
$this->_out(sprintf('[%s] %.2F d', $dash_string, $phase));
}
if (isset($color)) {
list($r, $g, $b) = $color;
$this->SetDrawColor($r, $g, $b);
}
}
// Draws a line
// Parameters:
// - x1, y1: Start point
// - x2, y2: End point
// - style: Line style. Array like for SetLineStyle
function Line($x1, $y1, $x2, $y2, $style = null) {
if ($style)
$this->SetLineStyle($style);
parent::Line($x1, $y1, $x2, $y2);
}
// Draws a rectangle
// Parameters:
// - x, y: Top left corner
// - w, h: Width and height
// - style: Style of rectangle (draw and/or fill: D, F, DF, FD)
// - border_style: Border style of rectangle. Array with some of this index
// . all: Line style of all borders. Array like for SetLineStyle
// . L: Line style of left border. null (no border) or array like for SetLineStyle
// . T: Line style of top border. null (no border) or array like for SetLineStyle
// . R: Line style of right border. null (no border) or array like for SetLineStyle
// . B: Line style of bottom border. null (no border) or array like for SetLineStyle
// - fill_color: Fill color. Array with components (red, green, blue)
function Rect($x, $y, $w, $h, $style = '', $border_style = null, $fill_color = null) {
if (!(false === strpos($style, 'F')) && $fill_color) {
list($r, $g, $b) = $fill_color;
$this->SetFillColor($r, $g, $b);
}
switch ($style) {
case 'F':
$border_style = null;
parent::Rect($x, $y, $w, $h, $style);
break;
case 'DF': case 'FD':
if (!$border_style || isset($border_style['all'])) {
if (isset($border_style['all'])) {
$this->SetLineStyle($border_style['all']);
$border_style = null;
}
} else
$style = 'F';
parent::Rect($x, $y, $w, $h, $style);
break;
default:
if (!$border_style || isset($border_style['all'])) {
if (isset($border_style['all']) && $border_style['all']) {
$this->SetLineStyle($border_style['all']);
$border_style = null;
}
parent::Rect($x, $y, $w, $h, $style);
}
break;
}
if ($border_style) {
if (isset($border_style['L']) && $border_style['L'])
$this->Line($x, $y, $x, $y + $h, $border_style['L']);
if (isset($border_style['T']) && $border_style['T'])
$this->Line($x, $y, $x + $w, $y, $border_style['T']);
if (isset($border_style['R']) && $border_style['R'])
$this->Line($x + $w, $y, $x + $w, $y + $h, $border_style['R']);
if (isset($border_style['B']) && $border_style['B'])
$this->Line($x, $y + $h, $x + $w, $y + $h, $border_style['B']);
}
}
// Draws a Bézier curve (the Bézier curve is tangent to the line between the control points at either end of the curve)
// Parameters:
// - x0, y0: Start point
// - x1, y1: Control point 1
// - x2, y2: Control point 2
// - x3, y3: End point
// - style: Style of rectangule (draw and/or fill: D, F, DF, FD)
// - line_style: Line style for curve. Array like for SetLineStyle
// - fill_color: Fill color. Array with components (red, green, blue)
function Curve($x0, $y0, $x1, $y1, $x2, $y2, $x3, $y3, $style = '', $line_style = null, $fill_color = null) {
if (!(false === strpos($style, 'F')) && $fill_color) {
list($r, $g, $b) = $fill_color;
$this->SetFillColor($r, $g, $b);
}
switch ($style) {
case 'F':
$op = 'f';
$line_style = null;
break;
case 'FD': case 'DF':
$op = 'B';
break;
default:
$op = 'S';
break;
}
if ($line_style)
$this->SetLineStyle($line_style);
$this->_Point($x0, $y0);
$this->_Curve($x1, $y1, $x2, $y2, $x3, $y3);
$this->_out($op);
}
// Draws an ellipse
// Parameters:
// - x0, y0: Center point
// - rx, ry: Horizontal and vertical radius (if ry = 0, draws a circle)
// - angle: Orientation angle (anti-clockwise)
// - astart: Start angle
// - afinish: Finish angle
// - style: Style of ellipse (draw and/or fill: D, F, DF, FD, C (D + close))
// - line_style: Line style for ellipse. Array like for SetLineStyle
// - fill_color: Fill color. Array with components (red, green, blue)
// - nSeg: Ellipse is made up of nSeg Bézier curves
function Ellipse($x0, $y0, $rx, $ry = 0, $angle = 0, $astart = 0, $afinish = 360, $style = '', $line_style = null, $fill_color = null, $nSeg = 8) {
if ($rx) {
if (!(false === strpos($style, 'F')) && $fill_color) {
list($r, $g, $b) = $fill_color;
$this->SetFillColor($r, $g, $b);
}
switch ($style) {
case 'F':
$op = 'f';
$line_style = null;
break;
case 'FD': case 'DF':
$op = 'B';
break;
case 'C':
$op = 's'; // small 's' means closing the path as well
break;
default:
$op = 'S';
break;
}
if ($line_style)
$this->SetLineStyle($line_style);
if (!$ry)
$ry = $rx;
$rx *= $this->k;
$ry *= $this->k;
if ($nSeg < 2)
$nSeg = 2;
$astart = deg2rad((float) $astart);
$afinish = deg2rad((float) $afinish);
$totalAngle = $afinish - $astart;
$dt = $totalAngle/$nSeg;
$dtm = $dt/3;
$x0 *= $this->k;
$y0 = ($this->h - $y0) * $this->k;
if ($angle != 0) {
$a = -deg2rad((float) $angle);
$this->_out(sprintf('q %.2F %.2F %.2F %.2F %.2F %.2F cm', cos($a), -1 * sin($a), sin($a), cos($a), $x0, $y0));
$x0 = 0;
$y0 = 0;
}
$t1 = $astart;
$a0 = $x0 + ($rx * cos($t1));
$b0 = $y0 + ($ry * sin($t1));
$c0 = -$rx * sin($t1);
$d0 = $ry * cos($t1);
$this->_Point($a0/$this->k, $this->h - ($b0/$this->k));
for ($i = 1; $i <= $nSeg; $i++) {
// Draw this bit of the total curve
$t1 = ($i * $dt) + $astart;
$a1 = $x0 + ($rx * cos($t1));
$b1 = $y0 + ($ry * sin($t1));
$c1 = -$rx * sin($t1);
$d1 = $ry * cos($t1);
$this->_Curve(($a0 + ($c0 * $dtm))/$this->k,
$this->h - (($b0 + ($d0 * $dtm))/$this->k),
($a1 - ($c1 * $dtm))/$this->k,
$this->h - (($b1 - ($d1 * $dtm))/$this->k),
$a1/$this->k,
$this->h - ($b1/$this->k));
$a0 = $a1;
$b0 = $b1;
$c0 = $c1;
$d0 = $d1;
}
$this->_out($op);
if ($angle !=0)
$this->_out('Q');
}
}
// Draws a circle
// Parameters:
// - x0, y0: Center point
// - r: Radius
// - astart: Start angle
// - afinish: Finish angle
// - style: Style of circle (draw and/or fill) (D, F, DF, FD, C (D + close))
// - line_style: Line style for circle. Array like for SetLineStyle
// - fill_color: Fill color. Array with components (red, green, blue)
// - nSeg: Ellipse is made up of nSeg Bézier curves
function Circle($x0, $y0, $r, $astart = 0, $afinish = 360, $style = '', $line_style = null, $fill_color = null, $nSeg = 8) {
$this->Ellipse($x0, $y0, $r, 0, 0, $astart, $afinish, $style, $line_style, $fill_color, $nSeg);
}
// Draws a polygon
// Parameters:
// - p: Points. Array with values x0, y0, x1, y1,..., x(np-1), y(np - 1)
// - style: Style of polygon (draw and/or fill) (D, F, DF, FD)
// - line_style: Line style. Array with one of this index
// . all: Line style of all lines. Array like for SetLineStyle
// . 0..np-1: Line style of each line. Item is 0 (not line) or like for SetLineStyle
// - fill_color: Fill color. Array with components (red, green, blue)
function Polygon($p, $style = '', $line_style = null, $fill_color = null) {
$np = count($p)/2;
if (!(false === strpos($style, 'F')) && $fill_color) {
list($r, $g, $b) = $fill_color;
$this->SetFillColor($r, $g, $b);
}
switch ($style) {
case 'F':
$line_style = null;
$op = 'f';
break;
case 'FD': case 'DF':
$op = 'B';
break;
default:
$op = 'S';
break;
}
$draw = true;
if ($line_style)
if (isset($line_style['all']))
$this->SetLineStyle($line_style['all']);
else { // 0 .. (np - 1), op = {B, S}
$draw = false;
if ('B' == $op) {
$op = 'f';
$this->_Point($p[0], $p[1]);
for ($i = 2; $i < ($np * 2); $i = $i + 2)
$this->_Line($p[$i], $p[$i + 1]);
$this->_Line($p[0], $p[1]);
$this->_out($op);
}
$p[$np * 2] = $p[0];
$p[($np * 2) + 1] = $p[1];
for ($i = 0; $i < $np; $i++)
if (!empty($line_style[$i]))
$this->Line($p[$i * 2], $p[($i * 2) + 1], $p[($i * 2) + 2], $p[($i * 2) + 3], $line_style[$i]);
}
if ($draw) {
$this->_Point($p[0], $p[1]);
for ($i = 2; $i < ($np * 2); $i = $i + 2)
$this->_Line($p[$i], $p[$i + 1]);
$this->_Line($p[0], $p[1]);
$this->_out($op);
}
}
// Draws a regular polygon
// Parameters:
// - x0, y0: Center point
// - r: Radius of circumscribed circle
// - ns: Number of sides
// - angle: Orientation angle (anti-clockwise)
// - circle: Draw circumscribed circle or not
// - style: Style of polygon (draw and/or fill) (D, F, DF, FD)
// - line_style: Line style. Array with one of this index
// . all: Line style of all lines. Array like for SetLineStyle
// . 0..ns-1: Line style of each line. Item is 0 (not line) or like for SetLineStyle
// - fill_color: Fill color. Array with components (red, green, blue)
// - circle_style: Style of circumscribed circle (draw and/or fill) (D, F, DF, FD) (if draw)
// - circle_line_style: Line style for circumscribed circle. Array like for SetLineStyle (if draw)
// - circle_fill_color: Fill color for circumscribed circle. Array with components (red, green, blue) (if draw fill circle)
function RegularPolygon($x0, $y0, $r, $ns, $angle = 0, $circle = false, $style = '', $line_style = null, $fill_color = null, $circle_style = '', $circle_line_style = null, $circle_fill_color = null) {
if ($ns < 3)
$ns = 3;
if ($circle)
$this->Circle($x0, $y0, $r, 0, 360, $circle_style, $circle_line_style, $circle_fill_color);
$p = null;
for ($i = 0; $i < $ns; $i++) {
$a = $angle + ($i * 360/$ns);
$a_rad = deg2rad((float) $a);
$p[] = $x0 + ($r * sin($a_rad));
$p[] = $y0 + ($r * cos($a_rad));
}
$this->Polygon($p, $style, $line_style, $fill_color);
}
// Draws a star polygon
// Parameters:
// - x0, y0: Center point
// - r: Radius of circumscribed circle
// - nv: Number of vertices
// - ng: Number of gaps (ng % nv = 1 => regular polygon)
// - angle: Orientation angle (anti-clockwise)
// - circle: Draw circumscribed circle or not
// - style: Style of polygon (draw and/or fill) (D, F, DF, FD)
// - line_style: Line style. Array with one of this index
// . all: Line style of all lines. Array like for SetLineStyle
// . 0..n-1: Line style of each line. Item is 0 (not line) or like for SetLineStyle
// - fill_color: Fill color. Array with components (red, green, blue)
// - circle_style: Style of circumscribed circle (draw and/or fill) (D, F, DF, FD) (if draw)
// - circle_line_style: Line style for circumscribed circle. Array like for SetLineStyle (if draw)
// - circle_fill_color: Fill color for circumscribed circle. Array with components (red, green, blue) (if draw fill circle)
function StarPolygon($x0, $y0, $r, $nv, $ng, $angle = 0, $circle = false, $style = '', $line_style = null, $fill_color = null, $circle_style = '', $circle_line_style = null, $circle_fill_color = null) {
if ($nv < 2)
$nv = 2;
if ($circle)
$this->Circle($x0, $y0, $r, 0, 360, $circle_style, $circle_line_style, $circle_fill_color);
$p2 = null;
$visited = null;
for ($i = 0; $i < $nv; $i++) {
$a = $angle + ($i * 360/$nv);
$a_rad = deg2rad((float) $a);
$p2[] = $x0 + ($r * sin($a_rad));
$p2[] = $y0 + ($r * cos($a_rad));
$visited[] = false;
}
$p = null;
$i = 0;
do {
$p[] = $p2[$i * 2];
$p[] = $p2[($i * 2) + 1];
$visited[$i] = true;
$i += $ng;
$i %= $nv;
} while (!$visited[$i]);
$this->Polygon($p, $style, $line_style, $fill_color);
}
// Draws a rounded rectangle
// Parameters:
// - x, y: Top left corner
// - w, h: Width and height
// - r: Radius of the rounded corners
// - round_corner: Draws rounded corner or not. String with a 0 (not rounded i-corner) or 1 (rounded i-corner) in i-position. Positions are, in order and begin to 0: top left, top right, bottom right and bottom left
// - style: Style of rectangle (draw and/or fill) (D, F, DF, FD)
// - border_style: Border style of rectangle. Array like for SetLineStyle
// - fill_color: Fill color. Array with components (red, green, blue)
function RoundedRect($x, $y, $w, $h, $r, $round_corner = '1111', $style = '', $border_style = null, $fill_color = null) {
if ('0000' == $round_corner) // Not rounded
$this->Rect($x, $y, $w, $h, $style, $border_style, $fill_color);
else { // Rounded
if (!(false === strpos($style, 'F')) && $fill_color) {
list($red, $g, $b) = $fill_color;
$this->SetFillColor($red, $g, $b);
}
switch ($style) {
case 'F':
$border_style = null;
$op = 'f';
break;
case 'FD': case 'DF':
$op = 'B';
break;
default:
$op = 'S';
break;
}
if ($border_style)
$this->SetLineStyle($border_style);
$MyArc = 4/3 * (sqrt(2) - 1);
$this->_Point($x + $r, $y);
$xc = $x + $w - $r;
$yc = $y + $r;
$this->_Line($xc, $y);
if ($round_corner[0])
$this->_Curve($xc + ($r * $MyArc), $yc - $r, $xc + $r, $yc - ($r * $MyArc), $xc + $r, $yc);
else
$this->_Line($x + $w, $y);
$xc = $x + $w - $r ;
$yc = $y + $h - $r;
$this->_Line($x + $w, $yc);
if ($round_corner[1])
$this->_Curve($xc + $r, $yc + ($r * $MyArc), $xc + ($r * $MyArc), $yc + $r, $xc, $yc + $r);
else
$this->_Line($x + $w, $y + $h);
$xc = $x + $r;
$yc = $y + $h - $r;
$this->_Line($xc, $y + $h);
if ($round_corner[2])
$this->_Curve($xc - ($r * $MyArc), $yc + $r, $xc - $r, $yc + ($r * $MyArc), $xc - $r, $yc);
else
$this->_Line($x, $y + $h);
$xc = $x + $r;
$yc = $y + $r;
$this->_Line($x, $yc);
if ($round_corner[3])
$this->_Curve($xc - $r, $yc - ($r * $MyArc), $xc - ($r * $MyArc), $yc - $r, $xc, $yc - $r);
else {
$this->_Line($x, $y);
$this->_Line($x + $r, $y);
}
$this->_out($op);
}
}
/* PRIVATE METHODS */
// Sets a draw point
// Parameters:
// - x, y: Point
function _Point($x, $y) {
$this->_out(sprintf('%.2F %.2F m', $x * $this->k, ($this->h - $y) * $this->k));
}
// Draws a line from last draw point
// Parameters:
// - x, y: End point
function _Line($x, $y) {
$this->_out(sprintf('%.2F %.2F l', $x * $this->k, ($this->h - $y) * $this->k));
}
// Draws a Bézier curve from last draw point
// Parameters:
// - x1, y1: Control point 1
// - x2, y2: Control point 2
// - x3, y3: End point
function _Curve($x1, $y1, $x2, $y2, $x3, $y3) {
$this->_out(sprintf('%.2F %.2F %.2F %.2F %.2F %.2F c', $x1 * $this->k, ($this->h - $y1) * $this->k, $x2 * $this->k, ($this->h - $y2) * $this->k, $x3 * $this->k, ($this->h - $y3) * $this->k));
}
}
?>
不要忘記在頁面的頂部添加require_once('FPDF/fpdf.php');和require_once('FPDI/fpdi.php');假設你有這樣的目錄結構：在index.php與代碼
然後，而不是擴展類FPDI我們可以直接擴展PDF_Draw。這樣，我們添加代碼前面仍然工作，但現在我們可以用新的方法，如Line()，Curve()，Rect()等等
以下是完整的index.php代碼：
<?php
require_once('draw.php');
// path of PDF file
$fullPathToFile = "sample.pdf";
class PDF extends PDF_Draw {
.
.
.
}
// initiate PDF
$pdf = new PDF();
// go to first page
$pdf->nextPage();
// add content to current page
$pdf->SetFont("helvetica", "", 20);
$pdf->SetTextColor(220, 20, 60);
$pdf->Text(50, 20, "I should not be here!");
// move to next page and add content
$pdf->nextPage();
$pdf->SetFont("arial", "", 15);
$style = array('width' => 0.5, 'cap' => 'butt', 'join' => 'miter', 'dash' => '10,20,5,10', 'phase' => 10, 'color' => array(255, 0, 0));
$style2 = array('width' => 0.5, 'cap' => 'butt', 'join' => 'miter', 'dash' => 0, 'color' => array(255, 0, 0));
$style3 = array('width' => 1, 'cap' => 'round', 'join' => 'round', 'dash' => '2,10', 'color' => array(255, 0, 0));
$style4 = array('L' => 0,
'T' => array('width' => 0.25, 'cap' => 'butt', 'join' => 'miter', 'dash' => '20,10', 'phase' => 10, 'color' => array(100, 100, 255)),
'R' => array('width' => 0.50, 'cap' => 'round', 'join' => 'miter', 'dash' => 0, 'color' => array(50, 50, 127)),
'B' => array('width' => 0.75, 'cap' => 'square', 'join' => 'miter', 'dash' => '30,10,5,10'));
$style5 = array('width' => 0.25, 'cap' => 'butt', 'join' => 'miter', 'dash' => 0, 'color' => array(0, 0, 0));
$style6 = array('width' => 0.5, 'cap' => 'butt', 'join' => 'miter', 'dash' => '10,10', 'color' => array(0, 255, 0));
$style7 = array('width' => 0.5, 'cap' => 'butt', 'join' => 'miter', 'dash' => 0, 'color' => array(200, 200, 0));
// Line
$pdf->Text(5, 7, 'Line');
$pdf->Line(5, 10, 80, 30, $style);
// Rect
$pdf->Text(100, 7, 'Rectangle');
$pdf->Rect(100, 10, 40, 20, 'DF', $style4, array(220, 220, 200));
// Curve
$pdf->Text(5, 37, 'Curve');
$pdf->Curve(5, 40, 30, 55, 70, 45, 60, 75, null, $style6);
// Circle and ellipse
$pdf->Text(5, 82, 'Circle and ellipse');
$pdf->SetLineStyle($style5);
$pdf->Circle(25,105,20);
// Polygon
$pdf->Text(5, 132, 'Polygon');
$pdf->SetLineStyle(array('width' => 0.5, 'cap' => 'butt', 'join' => 'miter', 'dash' => 0, 'color' => array(0, 0, 0)));
$pdf->Polygon(array(5,135,45,135,15,165));
// Regular polygon
$pdf->Text(5, 172, 'Regular polygon');
$pdf->SetLineStyle($style5);
$pdf->RegularPolygon(20, 190, 15, 6, 0, 1, 'F');
// Star polygon
$pdf->Text(5, 212, 'Star polygon');
$pdf->SetLineStyle($style5);
$pdf->StarPolygon(20, 230, 15, 20, 3, 0, 1, 'F');
// Rounded rectangle
$pdf->Text(5, 252, 'Rounded rectangle');
$pdf->SetLineStyle(array('width' => 0.5, 'cap' => 'butt', 'join' => 'miter', 'dash' => 0, 'color' => array(0, 0, 0)));
$pdf->RoundedRect(5, 255, 40, 30, 3.50, '1111', 'DF');
$pdf->SetTextColor(65, 105, 225);
$pdf->Text(50, 20, "Me neither!!!");
//show the PDF in page
$pdf->Output();
DEMO！ 
而且我還擊中了SO的30k字符限制。我希望這對你有所幫助！
+0
我已經更新了我的答案，並附上了使用PHP將圖紙添加到現有PDF的完整指南 – Ivan
4
TCPDF (tcpdf.org)似乎處理PDF graphics methods。
// create new PDF document
$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
// Line
$pdf->Text(5, 4, 'Line examples');
$pdf->Line(5, 10, 80, 30, $style);
$pdf->Line(5, 10, 5, 30, $style2);
$pdf->Line(5, 10, 80, 10, $style3);
// Rect
$pdf->Text(100, 4, 'Rectangle examples');
$pdf->Rect(100, 10, 40, 20, 'DF', $style4, array(220, 220, 200));
$pdf->Rect(145, 10, 40, 20, 'D', array('all' => $style3));
而且其GitHub project tecnickcom/tcpdf顯示爲100％PHP。
但是，this search顯示它可以創建和修改一個新的PDF文檔。它可能無法打開和修改現有的。
1
http://www.fpdf.org 如果你想使用x, y coordinates fpdf以及tcpdf能對您有用畫畫。
global $title;
// Calculate width
$w = $this->GetStringWidth($title)+6;
$this->SetX((210-$w)/2);
// Colors of frame, background and text
$this->SetDrawColor(0,80,180);
$this->SetFillColor(230,230,0);
$this->SetTextColor(220,50,50);
// Thickness of frame (1 mm)
$this->SetLineWidth(1);
// Title
$this->Cell($w,9,$title,1,1,'C',true);
// Line break
$this->Ln(10);
}
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問題要求我們推薦或找到一本書，工具，軟件庫，教程或其他非現場資源**，因爲它們傾向於吸引自以爲是的答案和垃圾郵件，所以它們都是* Over-topic *。相反，[描述問題]（http://meta.stackoverflow.com/questions/254393/what-exactly-is-a-recommendation-question）以及到目前爲止已經做了什麼來解決它。 – Nytrix
感謝您的編輯 –
，您肯定無法在PHP中完成此操作，除非將這些註釋保存並加載到您的pdf閱讀器。另外，pdf.js只是一個PDF查看器。它可以顯示用pdf創建的註釋，但不能創建註釋。 – chitgoks