本文整理汇总了PHP中Canvas::arc方法的典型用法代码示例。如果您正苦于以下问题：PHP Canvas::arc方法的具体用法？PHP Canvas::arc怎么用？PHP Canvas::arc使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Canvas的用法示例。
在下文中一共展示了Canvas::arc方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: _border_line
protected function _border_line($x, $y, $length, $color, $widths, $side, $corner_style = "bevel", $pattern_name, $r11 = 0, $r12 = 0, $r21 = 0, $r22)
{
// TODO: What is $corner_style for ?
list($top, $right, $bottom, $left) = $widths;
$width = ${$side};
$pattern = $this->_get_dash_pattern($pattern_name, $width);
$half_width = $width / 2;
$r11 -= $half_width;
$r12 -= $half_width;
$r21 -= $half_width;
$r22 -= $half_width;
$length -= $width;
$outdraw = 0.5;
switch ($side) {
case "top":
$x += $half_width;
$y += $half_width;
if ($r11 and $r12) {
$this->_canvas->arc($x + $r12, $y + $r11, $r12, $r11, 90 - $outdraw, 135 + $outdraw, $color, $width, $pattern);
}
$this->_canvas->line($x + $r12, $y, $x + $length - $r21, $y, $color, $width, $pattern);
if ($r21 and $r22) {
$this->_canvas->arc($x + $length - $r21, $y + $r22, $r21, $r22, 45 - $outdraw, 90 + $outdraw, $color, $width, $pattern);
}
break;
case "bottom":
$x += $half_width;
$y -= $half_width;
if ($r21 and $r22) {
$this->_canvas->arc($x + $r21, $y - $r22, $r21, $r22, 225 - $outdraw, 270 + $outdraw, $color, $width, $pattern);
}
$this->_canvas->line($x + $r21, $y, $x + $length - $r12, $y, $color, $width, $pattern);
if ($r11 and $r12) {
$this->_canvas->arc($x + $length - $r12, $y - $r11, $r12, $r11, 270 - $outdraw, 315 + $outdraw, $color, $width, $pattern);
}
break;
case "left":
$y += $half_width;
$x += $half_width;
if ($r11 and $r12) {
$this->_canvas->arc($x + $r11, $y + $length - $r12, $r11, $r12, 180 - $outdraw, 225 + $outdraw, $color, $width, $pattern);
}
$this->_canvas->line($x, $y + $r21, $x, $y + $length - $r12, $color, $width, $pattern);
if ($r21 and $r22) {
$this->_canvas->arc($x + $r22, $y + $r21, $r22, $r21, 135 - $outdraw, 180 + $outdraw, $color, $width, $pattern);
}
break;
case "right":
$y += $half_width;
$x -= $half_width;
if ($r21 and $r22) {
$this->_canvas->arc($x - $r22, $y + $length - $r21, $r22, $r21, 315 - $outdraw, 360 + $outdraw, $color, $width, $pattern);
}
$this->_canvas->line($x, $y + $r12, $x, $y + $length - $r21, $color, $width, $pattern);
if ($r11 and $r12) {
$this->_canvas->arc($x - $r11, $y + $r12, $r11, $r12, 0 - $outdraw, 45 + $outdraw, $color, $width, $pattern);
}
break;
}
}示例2: _border_line
protected function _border_line($x, $y, $length, $color, $widths, $side, $corner_style = "bevel", $pattern_name, $r1 = 0, $r2 = 0)
{
list($top, $right, $bottom, $left) = $widths;
$width = ${$side};
$pattern = $this->_get_dash_pattern($pattern_name, $width);
$half_width = $width / 2;
$r1 -= $half_width;
$r2 -= $half_width;
$adjust = $r1 / 80;
$length -= $width;
switch ($side) {
case "top":
$x += $half_width;
$y += $half_width;
if ($r1 > 0) {
$this->_canvas->arc($x + $r1, $y + $r1, $r1, $r1, 90 - $adjust, 135 + $adjust, $color, $width, $pattern);
}
$this->_canvas->line($x + $r1, $y, $x + $length - $r2, $y, $color, $width, $pattern);
if ($r2 > 0) {
$this->_canvas->arc($x + $length - $r2, $y + $r2, $r2, $r2, 45 - $adjust, 90 + $adjust, $color, $width, $pattern);
}
break;
case "bottom":
$x += $half_width;
$y -= $half_width;
if ($r1 > 0) {
$this->_canvas->arc($x + $r1, $y - $r1, $r1, $r1, 225 - $adjust, 270 + $adjust, $color, $width, $pattern);
}
$this->_canvas->line($x + $r1, $y, $x + $length - $r2, $y, $color, $width, $pattern);
if ($r2 > 0) {
$this->_canvas->arc($x + $length - $r2, $y - $r2, $r2, $r2, 270 - $adjust, 315 + $adjust, $color, $width, $pattern);
}
break;
case "left":
$y += $half_width;
$x += $half_width;
if ($r1 > 0) {
$this->_canvas->arc($x + $r1, $y + $r1, $r1, $r1, 135 - $adjust, 180 + $adjust, $color, $width, $pattern);
}
$this->_canvas->line($x, $y + $r1, $x, $y + $length - $r2, $color, $width, $pattern);
if ($r2 > 0) {
$this->_canvas->arc($x + $r2, $y + $length - $r2, $r2, $r2, 180 - $adjust, 225 + $adjust, $color, $width, $pattern);
}
break;
case "right":
$y += $half_width;
$x -= $half_width;
if ($r1 > 0) {
$this->_canvas->arc($x - $r1, $y + $r1, $r1, $r1, 0 - $adjust, 45 + $adjust, $color, $width, $pattern);
}
$this->_canvas->line($x, $y + $r1, $x, $y + $length - $r2, $color, $width, $pattern);
if ($r2 > 0) {
$this->_canvas->arc($x - $r2, $y + $length - $r2, $r2, $r2, 315 - $adjust, 360 + $adjust, $color, $width, $pattern);
}
break;
}
}