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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /layout/reftests/bugs/1743851-1.html | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/reftests/bugs/1743851-1.html')
-rw-r--r-- | layout/reftests/bugs/1743851-1.html | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/layout/reftests/bugs/1743851-1.html b/layout/reftests/bugs/1743851-1.html new file mode 100644 index 0000000000..b2fe31dd2d --- /dev/null +++ b/layout/reftests/bugs/1743851-1.html @@ -0,0 +1,44 @@ +<!DOCTYPE HTML> +<html> + <head> + <meta charset="utf-8"/> + <script> + + const spriteSheet = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAALBAMAAACEzBAKAAAAFVBMVEUAAADMr3z///8PDw9AQEC/v7/w8PCtfkxVAAAAA3RSTlMAAAD6dsTeAAAAQ0lEQVQIWy3IQRGAIAAEwJ1zCEAFLEAUK5iPClaggj9rMH7Y57prrR0pOJB1kU58OIldsSt2BQVHaIN3Rnt4p2SwJj863A7yxMyt/AAAAABJRU5ErkJggg==' + + const loadImage = (src) => { + return new Promise((resolve, reject) => { + var img = new Image() + img.onload = () => resolve(img) + img.onerror = () => reject(false) + img.src = src + }) + } + + let cursorImage + + function drawTestImage(canvasID, alphaValue) { + const ctx = document.getElementById(canvasID).getContext("2d", { alpha: alphaValue }) + + ctx.fillStyle = "#808080" // For contrast + ctx.fillRect(0, 0, 30, 30) + + createImageBitmap(cursorImage, 0, 0, 8, 11, { premultiplyAlpha: "none" }).then(image => { + ctx.drawImage(image, 10, 10) + }) + } + + window.addEventListener("DOMContentLoaded", () => { + loadImage(spriteSheet).then(img => { + cursorImage = img + drawTestImage("c0", false) + }) + }) + + </script> + </head> + <body> + <canvas id="c0" width="30" height="30"></canvas> + </body> +</html> + |