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Refactor canvas rendering and DPI handling for improved quality and performance

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This commit is contained in:
Oleg Sh
2026-01-01 16:16:46 +01:00
parent ea61466fe0
commit e276350318
10 changed files with 133 additions and 32 deletions
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30
script/features/setup_edge_style/index.js
View File

@@ -9,12 +9,27 @@ doInclude ([
function SetupEdgeStyle(app)
{
BaseHandler.apply(this, arguments);
this.message = "";
this.message = "";
this.hdr_called = false;
}
// inheritance.
SetupEdgeStyle.prototype = Object.create(BaseHandler.prototype);
SetupEdgeStyle.prototype.apply_dpr = function(canvas)
{
if (this.hdr_called)
{
return;
}
const rect = canvas.getBoundingClientRect();
setDPIForCanvas(canvas, rect.width, rect.height);
this.hdr_called = true;
}
SetupEdgeStyle.prototype.show = function(index, selectedEdges)
{
var handler = this;
@@ -126,13 +141,15 @@ SetupEdgeStyle.prototype.show = function(index, selectedEdges)
var context = canvas.getContext('2d');
context.save();
const dpr = window.devicePixelRatio || 1;
app.setupHighQualityRendering(context);
var backgroundDrawer = new BaseBackgroundDrawer(context);
backgroundDrawer.Draw(app.style.backgroundCommonStyle, canvas.width, canvas.height, new Point(0, 0), 1.0);
var graphDrawer = new BaseEdgeDrawer(context);
var baseVertex1 = new BaseVertex(0, canvas.height / 2, new BaseEnumVertices(this));
var baseVertex2 = new BaseVertex(canvas.width, canvas.height / 2, new BaseEnumVertices(this));
var baseVertex1 = new BaseVertex(0, canvas.height / 2 / dpr, new BaseEnumVertices(this));
var baseVertex2 = new BaseVertex(canvas.width / dpr, canvas.height / 2 / dpr, new BaseEnumVertices(this));
baseVertex1.currentStyle = baseVertex1.getStyleFor(0);
baseVertex2.currentStyle = baseVertex2.getStyleFor(0);
@@ -274,7 +291,10 @@ SetupEdgeStyle.prototype.show = function(index, selectedEdges)
modal: true,
title: g_edgeDraw,
buttons: dialogButtons,
dialogClass: 'EdgeDialog'
dialogClass: 'EdgeDialog',
open: function(event, ui) {
handler.apply_dpr(document.getElementById( "EdgePreview" ));
}
});
redrawVertex();

27
script/features/setup_vertex_style/index.js
View File

@@ -9,12 +9,27 @@ doInclude ([
function SetupVertexStyle(app)
{
BaseHandler.apply(this, arguments);
this.message = "";
this.message = "";
this.hdr_called = false;
}
// inheritance.
SetupVertexStyle.prototype = Object.create(BaseHandler.prototype);
SetupVertexStyle.prototype.apply_dpr = function(canvas)
{
if (this.hdr_called)
{
return;
}
const rect = canvas.getBoundingClientRect();
setDPIForCanvas(canvas, rect.width, rect.height);
this.hdr_called = true;
}
SetupVertexStyle.prototype.show = function(index, selectedVertices)
{
var handler = this;
@@ -131,11 +146,14 @@ SetupVertexStyle.prototype.show = function(index, selectedVertices)
context.save();
app.setupHighQualityRendering(context);
const dpr = window.devicePixelRatio || 1;
var backgroundDrawer = new BaseBackgroundDrawer(context);
backgroundDrawer.Draw(app.style.backgroundCommonStyle, canvas.width, canvas.height, new Point(0, 0), 1.0);
var graphDrawer = new BaseVertexDrawer(context);
var baseVertex = new BaseVertex(canvas.width / 2, canvas.height / 2, new BaseEnumVertices(this));
var baseVertex = new BaseVertex(canvas.width / 2 / dpr, canvas.height / 2 / dpr, new BaseEnumVertices(this));
baseVertex.mainText = "1";
baseVertex.upText = "Up Text";
baseVertex.model.diameter = diameter;
@@ -276,7 +294,10 @@ SetupVertexStyle.prototype.show = function(index, selectedVertices)
modal: true,
title: g_vertexDraw,
buttons: dialogButtons,
dialogClass: 'EdgeDialog'
dialogClass: 'EdgeDialog',
open: function(event, ui) {
handler.apply_dpr(document.getElementById( "VertexPreview" ));
}
});
redrawVertex();