ImageToolsCalculator Class Reference
[ImageTools]
Offers some often used calculations for image resizing et al. More...
Static Public Member Functions |
|
| static | center ($src_width, $src_height, $dst_width, $dst_height) |
| Center an image. |
|
| static | fit ($src_width, $src_height, $dst_width, $dst_height) |
| Fit source into destination widthout
changing ratio. |
|
Detailed Description
Offers some often used calculations for image resizing et al.
Definition at line 9 of file imagetoolscalculator.cls.php.
Member Function Documentation
| static ImageToolsCalculator::center | ( | $ | src_width, | |
| $ | src_height, | |||
| $ | dst_width, | |||
| $ | dst_height | |||
| ) | [static] |
Center an image.
- Parameters:
-
int $src_width Source width int $src_height Source height int $dst_width Destination width int $dst_height Destiantion height
- Returns:
- ImageToolsRect
Definition at line 50 of file imagetoolscalculator.cls.php.
00050 { 00051 $x_target = ($dst_width - $src_width) / 2; 00052 $y_target = ($dst_height - $src_height) / 2; 00053 00054 return new ImageToolsRect($src_width, $src_height, $x_target, $y_target); 00055 }
| static ImageToolsCalculator::fit | ( | $ | src_width, | |
| $ | src_height, | |||
| $ | dst_width, | |||
| $ | dst_height | |||
| ) | [static] |
Fit source into destination widthout changing ratio.
Example: Fit 200x100 into 100x100 will result in 100x50
- Parameters:
-
int $src_width Source width int $src_height Source height int $dst_width Destination width int $dst_height Destiantion height
- Returns:
- ImageToolsRect
Definition at line 22 of file imagetoolscalculator.cls.php.
00022 { 00023 if (($src_width / $src_height) == ($dst_width / $dst_height)) { 00024 return new ImageToolsRect($dst_width, $dst_height); 00025 } 00026 00027 $w_target = min($src_width, $dst_width); 00028 $h_target = min($src_height, $dst_height); 00029 00030 $x_ratio = $w_target / $src_width; 00031 $y_ratio = $h_target / $src_height; 00032 $ratio = min($x_ratio, $y_ratio); 00033 00034 $w_target = ceil($src_width * $ratio); 00035 $h_target = ceil($src_height * $ratio); 00036 00037 return new ImageToolsRect($w_target, $h_target); 00038 }
The documentation for this class was generated from the following file:
- contributions/lib.imagetools/lib/components/imagetoolscalculator.cls.php