Metin $ im (GD Resim Kaynak) gitmek için x * y bir boşluk var nasıl bir yazı tipi boyutu seçin (ya da böyle bir metin yazmak) o alana taşma değil mi?
Sana imagettfbbox fonksiyonu için bakmak düşünüyorum.
Ben bir Web arabirimi için yerelleştirilmiş düğmeleri üreten bir komut dosyası için birkaç sene önce bu kullanılır. Metin tutarlı metin boyutunu tutmak için, şablonda uygun olmasaydı ben aslında düğmeleri yeniden boyutlandırılır, ancak metin oturana kadar metin boyutunu azaltmak için deneyebilirsiniz.
Eğer ilgileniyorsanız, benim kod bazı parçacıkları yapıştırın (veya hemen vermek) olabilir.
[EDIT] OK, here is some extracts of my code, someday I will clean it up (make it independent of target app, give samples) and make it public as a whole.
I hope the snippets make sense.
// Bounding boxes: ImageTTFBBox, ImageTTFText:
// Bottom-Left: $bb[0], $bb[1]
// Bottom-Right: $bb[2], $bb[3]
// Top-Right: $bb[4]; $bb[5]
// Top-Left: $bb[6], $bb[7]
define('GDBB_TOP', 5);
define('GDBB_LEFT', 0);
define('GDBB_BOTTOM', 1);
define('GDBB_RIGHT', 2);
#[ In class constructor ]#
// Get size in pixels, must convert to points for GD2.
// Because GD2 assumes 96 pixels per inch and we use more "standard" 72.
$this->textSize *= 72/96;
$this->ComputeTextDimensions($this->textSize, FONT, $this->text);
#[ Remainder of the class (extract) ]
/**
* Compute the dimensions of the text.
*/
function ComputeTextDimensions($textSize, $fontFile, $text)
{
$this->textAreaWidth = $this->imageHSize - $this->marginL - $this->marginR;
$this->textAreaHeight = $this->imageVSize - $this->marginT - $this->marginB;
// Handle text on several lines
$this->lines = explode(NEWLINE_CHAR, $text);
$this->lineNb = count($this->lines);
if ($this->lineNb == 1)
{
$bb = ImageTTFBBox($textSize, 0, $fontFile, $text);
$this->textWidth[0] = $bb[GDBB_RIGHT] - $bb[GDBB_LEFT];
$this->maxTextWidth = $this->textWidth[0];
$this->textHeight[0] = $bb[GDBB_BOTTOM] - $bb[GDBB_TOP];
}
else
{
for ($i = 0; $i < $this->lineNb; $i++)
{
$bb = ImageTTFBBox($textSize, 0, $fontFile, $this->lines[$i]);
$this->textWidth[$i] = $bb[GDBB_RIGHT] - $bb[GDBB_LEFT];
$this->maxTextWidth = max($this->maxTextWidth, $this->textWidth[$i]);
$this->textHeight[$i] = $bb[GDBB_BOTTOM] - $bb[GDBB_TOP];
}
}
// Is the given text area width too small for asked text?
if ($this->maxTextWidth > $this->textAreaWidth)
{
// Yes! Increase button size
$this->textAreaWidth = $this->maxTextWidth;
$this->imageHSize = $this->textAreaWidth + $this->marginL + $this->marginR;
}
// Now compute the text positions given the new (?) text area width
if ($this->lineNb == 1)
{
$this->ComputeTextPosition(0, $textSize, $fontFile, $text, false);
}
else
{
for ($i = 0; $i < $this->lineNb; $i++)
{
$this->ComputeTextPosition($i, $textSize, $fontFile, $this->lines[$i], false);
}
}
}
/**
* Compute xText and yText (text position) for the given text.
*/
function ComputeTextPosition($index, $textSize, $fontFile, $text, $centerAscDesc)
{
switch ($this->textAlign)
{
case 'L':
$this->xText[$index] = $this->marginL;
break;
case 'R':
$this->xText[$index] = $this->marginL +
$this->textAreaWidth - $this->textWidth[$index];
break;
case 'C':
default:
$this->xText[$index] = $this->marginL +
($this->textAreaWidth - $this->textWidth[$index]) / 2;
break;
}
if ($centerAscDesc)
{
// Must compute the difference between baseline and bottom of BB.
// I have to use a temporary image, as ImageTTFBBox doesn't use coordinates
// providing offset from the baseline.
$tmpBaseline = 5;
// Image size isn't important here, GD2 still computes correct BB
$tmpImage = ImageCreate(5, 5);
$bbt = ImageTTFText($tmpImage, $this->textSize, 0, 0, $tmpBaseline,
$this->color, $fontFile, $text);
// Bottom to Baseline
$baselinePos = $bbt[GDBB_BOTTOM] - $tmpBaseline;
ImageDestroy($tmpImage);
$this->yText[$index] = $this->marginT + $this->textAreaHeight -
($this->textAreaHeight - $this->textHeight) / 2 - $baselinePos + 0.5;
}
else
{
// Actually, we want to center the x-height, ie. to keep the baseline at same pos.
// whatever the text is really, ie. independantly of ascenders and descenders.
// This provide better looking buttons, as they are more consistent.
$bbt = ImageTTFBBox($textSize, 0, $fontFile, "moxun");
$tmpHeight = $bbt[GDBB_BOTTOM] - $bbt[GDBB_TOP];
$this->yText[$index] = $this->marginT + $this->textAreaHeight -
($this->textAreaHeight - $tmpHeight) / 2 + 0.5;
}
}
/**
* Add the text to the button.
*/
function DrawText()
{
for ($i = 0; $i < $this->lineNb; $i++)
{
// Increase slightly line height
$yText = $this->yText[$i] + $this->textHeight[$i] * 1.1 *
($i - ($this->lineNb - 1) / 2);
ImageTTFText($this->image, $this->textSize, 0,
$this->xText[$i], $yText, $this->color, FONT, $this->lines[$i]);
}
}
Yukarıda PhiLho tarafından sınıf almış ve dinamik sınırlayıcı kutusuna sığacak şekilde metin bireysel hatları ölçekli genişlettik. Bunu nasıl çalıştığını görebilirsiniz Ayrıca ben bir çağrı ile tamamladı. Bu sadece değişkenleri değiştirmek ve kutunun dışında çalışması gerekir, hemen hemen kopya makarna olduğunu.
<?
header("Content-type: image/png");
define('GDBB_TOP', 5);
define('GDBB_LEFT', 0);
define('GDBB_BOTTOM', 1);
define('GDBB_RIGHT', 2);
class DrawFont {
function DrawFont($details) {
// Get size in pixels, must convert to points for GD2.
// Because GD2 assumes 96 pixels per inch and we use more "standard" 72.
$this->textSizeMax = $details['size'];
$this->font = $details['font'];
$this->text = $details['text'];
$this->image = $details['image'];
$this->color = $details['color'];
$this->shadowColor = $details['shadowColor'];
$this->textAlign = "C";
$this->imageHSize = $details['imageHSize'];
$this->imageVSize = $details['imageVSize'];
$this->marginL = $details['marginL'];
$this->marginR = $details['marginR'];
$this->marginT = $details['marginT'];
$this->marginB = $details['marginB'];
$this->ComputeTextDimensions($this->font, $this->text);
}
/**
* Compute the dimensions of the text.
*/
function ComputeTextDimensions($fontFile, $text)
{
$this->textAreaWidth = $this->imageHSize - $this->marginL - $this->marginR;
$this->textAreaHeight = $this->imageVSize - $this->marginT - $this->marginB;
// Handle text on several lines
$this->lines = explode(' ', $text);
$this->lineNb = count($this->lines);
if ($this->lineNb == 1)
{
$this->textSize[0] = $this->textSizeMax;
$bb = ImageTTFBBox($this->textSize[0], 0, $fontFile, $text);
$this->textWidth[0] = $bb[GDBB_RIGHT] - $bb[GDBB_LEFT];
$this->maxTextWidth = $this->textWidth[0];
$this->textHeight[0] = $bb[GDBB_BOTTOM] - $bb[GDBB_TOP];
$this->textSize[0] = $this->textSizeMax;
while ($this->textWidth[0] > $this->textAreaWidth && $this->textSize[0] > 1) {
$this->textSize[0]--;
$bb = ImageTTFBBox($this->textWidth[$i], 0, $fontFile, $text);
$this->textWidth[0] = $bb[GDBB_RIGHT] - $bb[GDBB_LEFT];
$this->maxTextWidth = $this->textWidth[0];
$this->textHeight[0] = $bb[GDBB_BOTTOM] - $bb[GDBB_TOP];
}
}
else
{
for ($i = 0; $i < $this->lineNb; $i++)
{
$this->textSize[$i] = $this->textSizeMax;
$bb = ImageTTFBBox($this->textSize[$i], 0, $fontFile, $this->lines[$i]);
$this->textWidth[$i] = $bb[GDBB_RIGHT] - $bb[GDBB_LEFT];
$this->maxTextWidth = max($this->maxTextWidth, $this->textWidth[$i]);
$this->textHeight[$i] = $bb[GDBB_BOTTOM] - $bb[GDBB_TOP];
while ($this->textWidth[$i] > $this->textAreaWidth && $this->textSize[$i] > 1) {
$this->textSize[$i]--;
$bb = ImageTTFBBox($this->textSize[$i], 0, $fontFile, $this->lines[$i]);
$this->textWidth[$i] = $bb[GDBB_RIGHT] - $bb[GDBB_LEFT];
$this->maxTextWidth = max($this->maxTextWidth, $this->textWidth[$i]);
$this->textHeight[$i] = $bb[GDBB_BOTTOM] - $bb[GDBB_TOP];
}
}
}
/*
// Is the given text area width too small for asked text?
if ($this->maxTextWidth > $this->textAreaWidth)
{
// Yes! Increase button size
$this->textAreaWidth = $this->maxTextWidth;
$this->imageHSize = $this->textAreaWidth + $this->marginL + $this->marginR;
}
*/
// Now compute the text positions given the new (?) text area width
if ($this->lineNb == 1)
{
$this->ComputeTextPosition(0, $this->textSize[0], $fontFile, $text, false);
}
else
{
for ($i = 0; $i < $this->lineNb; $i++)
{
$this->ComputeTextPosition($i, $this->textSize[$i], $fontFile, $this->lines[$i], false);
}
}
}
/**
* Compute xText and yText (text position) for the given text.
*/
function ComputeTextPosition($index, $textSize, $fontFile, $text, $centerAscDesc)
{
switch ($this->textAlign)
{
case 'L':
$this->xText[$index] = $this->marginL;
break;
case 'R':
$this->xText[$index] = $this->marginL +
$this->textAreaWidth - $this->textWidth[$index];
break;
case 'C':
default:
$this->xText[$index] = $this->marginL +
($this->textAreaWidth - $this->textWidth[$index]) / 2;
break;
}
if ($centerAscDesc)
{
// Must compute the difference between baseline and bottom of BB.
// I have to use a temporary image, as ImageTTFBBox doesn't use coordinates
// providing offset from the baseline.
$tmpBaseline = 5;
// Image size isn't important here, GD2 still computes correct BB
$tmpImage = ImageCreate(5, 5);
$bbt = ImageTTFText($tmpImage, $this->textSizeMax, 0, 0, $tmpBaseline,
$this->color, $fontFile, $text);
// Bottom to Baseline
$baselinePos = $bbt[GDBB_BOTTOM] - $tmpBaseline;
ImageDestroy($tmpImage);
$this->yText[$index] = $this->marginT + $this->textAreaHeight -
($this->textAreaHeight - $this->textHeight) / 2 - $baselinePos + 0.5;
}
else
{
// Actually, we want to center the x-height, ie. to keep the baseline at same pos.
// whatever the text is really, ie. independantly of ascenders and descenders.
// This provide better looking buttons, as they are more consistent.
$bbt = ImageTTFBBox($textSize, 0, $fontFile, "moxun");
$tmpHeight = $bbt[GDBB_BOTTOM] - $bbt[GDBB_TOP];
$this->yText[$index] = $this->marginT + $this->textAreaHeight -
($this->textAreaHeight - $tmpHeight) / 2 + 0.5;
}
}
/**
* Add the text to the button.
*/
function DrawText()
{
$this->maxTextHeight = 0;
// find maxTextHeight
for ($i = 0; $i < $this->lineNb; $i++)
{
if ($this->textHeight[$i] > $this->maxTextHeight) {
$this->maxTextHeight = $this->textHeight[$i];
}
}
for ($i = 0; $i < $this->lineNb; $i++)
{
// Increase slightly line height
$yText = $this->yText[$i] + $this->maxTextHeight * 1.1 *
($i - ($this->lineNb - 1) / 2);
ImageTTFText($this->image, $this->textSize[$i], 0,
$this->xText[$i]+2, $yText+2, $this->shadowColor, $this->font, $this->lines[$i]);
ImageTTFText($this->image, $this->textSize[$i], 0,
$this->xText[$i], $yText, $this->color, $this->font, $this->lines[$i]);
}
}
}
// Script starts here
$im = imagecreatefromjpeg("/home/cvgcfjpq/public_html/fb/img/page_template.jpg");
$color = imagecolorallocate($im, 235, 235, 235);
$shadowColor = imagecolorallocate($im, 90, 90, 90);
$details = array("image" => $im,
"font" => "OldSansBlack.ttf",
"text" => $_GET['name'],
"color" => $color,
"shadowColor" => $shadowColor,
"size" => 40,
"imageHSize" => 200,
"imageVSize" => 250,
"marginL" => 5,
"marginR" => 5,
"marginT" => 5,
"marginB" => 5);
$dofontobj =& new DrawFont($details);
$dofontobj->DrawText();
imagepng($im);
imagedestroy($im);
unset($px);
?>