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Move tile handling to Hextile decoder

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It is only used there so no need for it to be in the general
Display class.
This commit is contained in:
Pierre Ossman
2018-10-12 17:07:16 +02:00
committed by Lauri Kasanen
parent 69b945fc87
commit 212e0f1a10
4 changed files with 52 additions and 97 deletions
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35
kasmweb/tests/test.display.js
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@@ -309,41 +309,6 @@ describe('Display/Canvas Helper', function () {
display.flush();
});
it('should support drawing tile data with a background color and sub tiles', function () {
display.startTile(0, 0, 4, 4, [0, 0xff, 0]);
display.subTile(0, 0, 2, 2, [0xff, 0, 0]);
display.subTile(2, 2, 2, 2, [0xff, 0, 0]);
display.finishTile();
display.flip();
expect(display).to.have.displayed(checkedData);
});
// We have a special cache for 16x16 tiles that we need to test
it('should support drawing a 16x16 tile', function () {
const largeCheckedData = new Uint8Array(16*16*4);
display.resize(16, 16);
for (let y = 0;y < 16;y++) {
for (let x = 0;x < 16;x++) {
let pixel;
if ((x < 4) && (y < 4)) {
// NB: of course IE11 doesn't support #slice on ArrayBufferViews...
pixel = Array.prototype.slice.call(checkedData, (y*4+x)*4, (y*4+x+1)*4);
} else {
pixel = [0, 0xff, 0, 255];
}
largeCheckedData.set(pixel, (y*16+x)*4);
}
}
display.startTile(0, 0, 16, 16, [0, 0xff, 0]);
display.subTile(0, 0, 2, 2, [0xff, 0, 0]);
display.subTile(2, 2, 2, 2, [0xff, 0, 0]);
display.finishTile();
display.flip();
expect(display).to.have.displayed(largeCheckedData);
});
it('should support drawing BGRX blit images with true color via #blitImage', function () {
const data = [];
for (let i = 0; i < 16; i++) {