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Unified Diff: LayoutTests/compositing/squashing/selection-repaint-with-gaps.html

Issue 337173003: Compute paint invalidation rects for selection in the space of the backing GraphicsLayer (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Added comment. Created 6 years, 6 months ago
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Index: LayoutTests/compositing/squashing/selection-repaint-with-gaps.html
diff --git a/LayoutTests/compositing/squashing/selection-repaint-with-gaps.html b/LayoutTests/compositing/squashing/selection-repaint-with-gaps.html
new file mode 100644
index 0000000000000000000000000000000000000000..85fd8561568ea619f329c0a7cb413880f81dd039
--- /dev/null
+++ b/LayoutTests/compositing/squashing/selection-repaint-with-gaps.html
@@ -0,0 +1,79 @@
+<!DOCTYPE html>
+<style>
+ .overlap {
+ height: 500px;
+ width: 300px;
+ transform: translateZ(0);
+ }
+
+ .item {
+ height: 50px;
+ width: 100px;
+ background: lightgray;
+ margin: 15px;
+ position: absolute;
+ left: 0px;
+ }
+ .inline-block {
+ display: inline-block;
+ height: 10px;
+ width: 40px;
+ }
+</style>
+<script src="../../resources/run-after-display.js"></script>
+
+<!-- This test checks whether repaint rects for selection on squashed layers is correct. -->
+
+<div class="overlap"></div>
+<div style="top: 20px" class="item"><div class="inline-block">lorem ipsum</div></div>
+<div style="top: 100px" class="item" id="item1"><div class="inline-block">lorem ipsum</div></div>
+<div style="top: 180px" class="item" id="item2"><div class="inline-block">lorem ipsum</div></div>
+
+</div>
+<div id="output" style="display: none">
+ <pre id="case1"></pre>
+ <pre id="case2"></pre>
+</div>
+<script>
+ if (window.testRunner) {
+ testRunner.dumpAsText();
+ testRunner.waitUntilDone();
+ }
+
+ if (window.internals)
+ window.internals.settings.setLayerSquashingEnabled(true);
+
+ runAfterDisplay(function()
+ {
+ if (window.internals)
+ window.internals.startTrackingRepaints(document);
+ var selection = getSelection();
+
+ // Case 1: selection that does not have any gaps.
+ selection.setBaseAndExtent(document.querySelector("#item1"), 0, document.querySelector("#item1"), 1);
+
+ if (window.internals) {
+ document.querySelector('#case1').textContent = window.internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_REPAINT_RECTS);
+ window.internals.stopTrackingRepaints(document);
+ }
+
+ selection.empty();
+
+ if (window.internals)
+ window.internals.startTrackingRepaints(document);
+
+ // Case 2: selection with a gap between item1 and item2.
+ selection.setBaseAndExtent(document.querySelector("#item1"), 0, document.querySelector("#item2"), 1);
+
+ if (window.internals) {
+ document.querySelector('#case2').textContent = window.internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_REPAINT_RECTS);
+ window.internals.stopTrackingRepaints(document);
+ }
+
+ document.querySelector('#output').style.display = 'block';
+
+
+ if (window.testRunner)
+ testRunner.notifyDone();
+ });
+</script>
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