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-rw-r--r-- | layout/reftests/transform/partial-prerender-expansion-with-resolution-1.html | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/layout/reftests/transform/partial-prerender-expansion-with-resolution-1.html b/layout/reftests/transform/partial-prerender-expansion-with-resolution-1.html new file mode 100644 index 0000000000..2421735b2e --- /dev/null +++ b/layout/reftests/transform/partial-prerender-expansion-with-resolution-1.html @@ -0,0 +1,52 @@ +<!DOCTYPE html> +<html class="reftest-wait reftest-no-flush" reftest-resolution="0.5"> +<meta name="viewport" content="width=device-width,minimum-scale=0.5,initial-scale=1"> +<!-- + A test for a partial pre-rendered transform animation with <1.0 resolution. + --> +<style> +html { + scrollbar-width: none; +} +body { + margin: 0px; + padding: 0px; +} +@keyframes anim { + /* The reftest window size is (800x1000) and it's scaled by 0.5 */ + /* (= 1600x2000), which means the partial pre-render size is (2250x2250) so */ + /* move to a position inside the pre-render area and away from the */ + /* pre-render right edge, translateX(-650px), so that we can avoid blurry */ + /* edges in comparison with the reference. */ + to { transform: translateX(-400px); } +} +#target { + width: 4000px; + height: 4000px; + position: absolute; + transform: translateX(0px); +} +</style> +<div id="target"> + <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4000 4000"> + <rect fill="green" x="0" width="1600" height="4000"></rect> + <rect fill="blue" x="1600" width="650" height="4000"></rect> + <rect fill="red" x="2250" width="1750" height="4000"></rect> + </svg> +</div> +<script> +document.addEventListener("MozReftestInvalidate", () => { + target.style.animation = "anim 100s 1s step-start"; + target.addEventListener("animationstart", () => { + // animtionstart event is fired just before requestAnimationFrame callbacks, + // so we need to wait two rAF to make sure the initial animation value is + // composited on the compositor. + requestAnimationFrame(() => { + requestAnimationFrame(() => { + document.documentElement.classList.remove("reftest-wait"); + }); + }); + }); +}, { once: true }); +</script> +</html> |