azures04/crafatar
1
0
Fork 0
mirror of https://github.com/azures04/crafatar.git synced 2026-03-21 23:41:18 +01:00
Code Issues Packages Projects Releases Wiki Activity

enhance renders by using binary transparency

Browse Source 
this is a temporary fix for #32.
it doesn't solve the problem, but it makes the renders much less worse.

in combination with #134 this will hopefully lead to fixing the problem entirely
This commit is contained in:
jomo 2015-09-06 00:22:57 +02:00
parent fe12901f41
commit 6d12ed685b
1 changed files with 18 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
lib/renders.js
View File

@ -24,6 +24,18 @@ function scale_image(imageData, context, d_x, d_y, scale) {
}
}
// makes images less worse by using binary transparency
function enhance(context) {
var imagedata = context.getImageData(0, 0, context.canvas.width, context.canvas.height);
var data = imagedata.data;
// data is [r,g,b,a, r,g,b,a, *]
for (var i = 3; i < data.length; i += 4) {
// round to 0 or 255
data[i] = Math.round(data[i] / 255) * 255;
}
context.putImageData(imagedata, 0, 0);
}
// draws the helmet on to the +skin_canvas+
// using the skin from the +model_ctx+ at the +scale+
exp.draw_helmet = function(skin_canvas, model_ctx, scale) {
@ -155,7 +167,7 @@ exp.draw_model = function(rid, img, scale, helm, body, callback) {
image.onload = function() {
var width = 64 * scale;
var original_height = (image.height === 32 ? 32 : 64);
var original_height = image.height === 32 ? 32 : 64;
var height = original_height * scale;
var model_canvas = new Canvas(20 * scale, (body ? 44.8 : 17.6) * scale);
var skin_canvas = new Canvas(width, height);
@ -173,6 +185,9 @@ exp.draw_model = function(rid, img, scale, helm, body, callback) {
exp.draw_helmet(skin_canvas, model_ctx, scale);
}
// FIXME: This is a temporary fix for #32
enhance(model_ctx);
model_canvas.toBuffer(function(err, buf) {
if (err) {
logging.error(rid, "error creating buffer:", err);