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1 <script> |
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2 /* |
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3 * Almost all of the image decoding reftests require the display to be in |
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4 * 24-bit color mode, or else the rendered images will have subtle color |
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5 * variations and will fail. |
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6 * The Windows test boxes used to have a tendency to flip to 16-bit color mode, |
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7 * so this test will explicitly check the color depth to make it more obvious |
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8 * when the requirement is not met. (See bug 414720.) |
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9 * 24-bit is only a minimum, allow higher values too. (See bug 458847.) |
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10 */ |
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11 |
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12 var colorDepth = window.screen.colorDepth; |
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13 |
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14 if (colorDepth < 24) |
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15 document.write("ERROR: color depth is only " + colorDepth + "."); |
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16 </script> |