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Remove non-JavaScript render code 

It wasn't used anyway so simplify things.
This commit is contained in:
Pierre Ossman 2017-10-14 16:44:40 +02:00
parent 656858a6d6
commit 134ec26ee0
3 changed files with 130 additions and 153 deletions
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17
core/display.js
View File

@ -77,11 +77,6 @@ export default function Display(target, defaults) {
throw new Error("Canvas does not support createImageData");
}
if (this._prefer_js === null) {
Log.Info("Prefering javascript operations");
this._prefer_js = true;
}
// Determine browser support for setting the cursor via data URI scheme
if (this._cursor_uri || this._cursor_uri === null ||
this._cursor_uri === undefined) {
@ -381,7 +376,6 @@ Display.prototype = {
this._tile = this._drawCtx.createImageData(width, height);
}
if (this._prefer_js) {
var red = color[2];
var green = color[1];
var blue = color[0];
@ -393,14 +387,10 @@ Display.prototype = {
data[i + 2] = blue;
data[i + 3] = 255;
}
} else {
this.fillRect(x, y, width, height, color, true);
}
},
// update sub-rectangle of the current tile
subTile: function (x, y, w, h, color) {
if (this._prefer_js) {
var red = color[2];
var green = color[1];
var blue = color[0];
@ -418,19 +408,13 @@ Display.prototype = {
data[p + 3] = 255;
}
}
} else {
this.fillRect(this._tile_x + x, this._tile_y + y, w, h, color, true);
}
},
// draw the current tile to the screen
finishTile: function () {
if (this._prefer_js) {
this._drawCtx.putImageData(this._tile, this._tile_x, this._tile_y);
this._damage(this._tile_x, this._tile_y,
this._tile.width, this._tile.height);
}
// else: No-op -- already done by setSubTile
},
blitImage: function (x, y, width, height, arr, offset, from_queue) {
@ -697,7 +681,6 @@ make_properties(Display, [
['width', 'ro', 'int'], // Display area width
['height', 'ro', 'int'], // Display area height
['prefer_js', 'rw', 'str'], // Prefer Javascript over canvas methods
['cursor_uri', 'rw', 'raw'], // Can we render cursor using data URI
['onFlush', 'rw', 'func'], // onFlush(): A flush request has finished

1
docs/API-internal.md
View File

@ -97,7 +97,6 @@ None
| viewport | bool | RW | false | Use viewport clipping
| width | int | RO | | Display area width
| height | int | RO | | Display area height
| prefer_js | str | RW | | Prefer JavaScript over canvas methods
| cursor_uri | raw | RW | | Can we render cursor using data URI
### 2.3.2 Methods

23
tests/test.display.js
View File

@ -40,19 +40,19 @@ describe('Display/Canvas Helper', function () {
describe('checking for cursor uri support', function () {
it('should disable cursor URIs if there is no support', function () {
_forceCursorURIs(false);
var display = new Display(document.createElement('canvas'), { prefer_js: true, viewport: false });
var display = new Display(document.createElement('canvas'), { viewport: false });
expect(display._cursor_uri).to.be.false;
});
it('should enable cursor URIs if there is support', function () {
_forceCursorURIs(true);
var display = new Display(document.createElement('canvas'), { prefer_js: true, viewport: false });
var display = new Display(document.createElement('canvas'), { viewport: false });
expect(display._cursor_uri).to.be.true;
});
it('respect the cursor_uri option if there is support', function () {
_forceCursorURIs(false);
var display = new Display(document.createElement('canvas'), { prefer_js: true, viewport: false, cursor_uri: false });
var display = new Display(document.createElement('canvas'), { viewport: false, cursor_uri: false });
expect(display._cursor_uri).to.be.false;
});
});
@ -60,7 +60,7 @@ describe('Display/Canvas Helper', function () {
describe('viewport handling', function () {
var display;
beforeEach(function () {
display = new Display(document.createElement('canvas'), { prefer_js: false, viewport: true });
display = new Display(document.createElement('canvas'), { viewport: true });
display.resize(5, 5);
display.viewportChangeSize(3, 3);
display.viewportChangePos(1, 1);
@ -153,7 +153,7 @@ describe('Display/Canvas Helper', function () {
describe('resizing', function () {
var display;
beforeEach(function () {
display = new Display(document.createElement('canvas'), { prefer_js: false, viewport: false });
display = new Display(document.createElement('canvas'), { viewport: false });
display.resize(4, 4);
});
@ -215,7 +215,7 @@ describe('Display/Canvas Helper', function () {
beforeEach(function () {
canvas = document.createElement('canvas');
display = new Display(canvas, { prefer_js: false, viewport: true });
display = new Display(canvas, { viewport: true });
display.resize(4, 4);
display.viewportChangeSize(3, 3);
display.viewportChangePos(1, 1);
@ -255,7 +255,7 @@ describe('Display/Canvas Helper', function () {
beforeEach(function () {
canvas = document.createElement('canvas');
display = new Display(canvas, { prefer_js: false, viewport: true });
display = new Display(canvas, { viewport: true });
display.resize(4, 3);
document.body.appendChild(canvas);
});
@ -311,10 +311,9 @@ describe('Display/Canvas Helper', function () {
// TODO(directxman12): improve the tests for each of the drawing functions to cover more than just the
// basic cases
function drawing_tests (pref_js) {
var display;
beforeEach(function () {
display = new Display(document.createElement('canvas'), { prefer_js: pref_js });
display = new Display(document.createElement('canvas'));
display.resize(4, 4);
});
@ -419,16 +418,12 @@ describe('Display/Canvas Helper', function () {
display.flip();
expect(display).to.have.displayed(checked_data);
});
}
describe('(prefering native methods)', function () { drawing_tests.call(this, false); });
describe('(prefering JavaScript)', function () { drawing_tests.call(this, true); });
});
describe('the render queue processor', function () {
var display;
beforeEach(function () {
display = new Display(document.createElement('canvas'), { prefer_js: false });
display = new Display(document.createElement('canvas'));
display.resize(4, 4);
sinon.spy(display, '_scan_renderQ');
});