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45f7b2bcc8
Also fix a single instance of CRLF in ibase_query.c.
73 lines
1.8 KiB
PHP
73 lines
1.8 KiB
PHP
--TEST--
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Apply imagegammacorrect() to a step wedge
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--SKIPIF--
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<?php
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if (!extension_loaded('gd')) die('skip gd extension not available');
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?>
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--FILE--
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<?php
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require __DIR__ . DIRECTORY_SEPARATOR . 'func.inc';
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test_gamma_both(1, 2);
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test_gamma_both(1, 1);
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test_gamma_both(2, 1);
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function test_gamma_both($in, $out)
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{
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test_gamma($in, $out, 'imagecreate');
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test_gamma($in, $out, 'imagecreatetruecolor');
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}
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function test_gamma($in, $out, $constructor)
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{
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$im = $constructor(640, 480);
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for ($j = 0; $j < 4; $j++) {
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for ($i = 0; $i < 32; $i++) {
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draw_cell($im, $i, $j);
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}
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}
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imagegammacorrect($im, $in, $out);
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$filename = __DIR__ . DIRECTORY_SEPARATOR
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. "imagegammacorrect_variation2_{$in}_{$out}.png";
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$kind = $constructor === 'imagecreate' ? 'palette' : 'truecolor';
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echo "$kind gamma ($in, $out): ";
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test_image_equals_file($filename, $im);
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}
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function draw_cell($im, $x, $y)
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{
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$x1 = 20 * $x;
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$y1 = 120 * $y;
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$x2 = $x1 + 19;
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$y2 = $y1 + 119;
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$color = cell_color($im, $x, $y);
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imagefilledrectangle($im, $x1,$y1, $x2,$y2, $color);
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}
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function cell_color($im, $x, $y)
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{
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$channel = 8 * $x + 4;
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switch ($y) {
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case 0:
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return imagecolorallocate($im, $channel, $channel, $channel);
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case 1:
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return imagecolorallocate($im, $channel, 0, 0);
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case 2:
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return imagecolorallocate($im, 0, $channel, 0);
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case 3:
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return imagecolorallocate($im, 0, 0, $channel);
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}
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}
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?>
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===DONE===
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--EXPECT--
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palette gamma (1, 2): The images are equal.
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truecolor gamma (1, 2): The images are equal.
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palette gamma (1, 1): The images are equal.
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truecolor gamma (1, 1): The images are equal.
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palette gamma (2, 1): The images are equal.
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truecolor gamma (2, 1): The images are equal.
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===DONE===
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