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optmized layers selection (simple check on big images)

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viliusle 2021-01-03 22:04:41 +02:00
parent 2873aab522
commit 85ba03dc59
1 changed files with 14 additions and 3 deletions
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17
src/js/tools/select.js
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@ -549,7 +549,7 @@ class Select_tool_class extends Base_tools_class {
var value = layers_sorted[i];
var canvas = this.Base_layers.convert_layer_to_canvas(value.id, null, false);
if (this.check_hit_region(e, canvas.getContext("2d")) == true) {
if (this.check_hit_region(e, canvas.getContext("2d"), value) == true) {
await app.State.do_action(
new app.Actions.Select_layer_action(value.id)
);
@ -558,10 +558,21 @@ class Select_tool_class extends Base_tools_class {
}
}
check_hit_region(e, ctx) {
check_hit_region(e, ctx, layer) {
var mouse = this.get_mouse_info(e);
var data = ctx.getImageData(mouse.x, mouse.y, 1, 1).data;
if(layer.type == 'image' && Math.abs(layer.width * layer.height / 1000000) > 5){
//too big to check using getImageData - use simple way
if (mouse.x > layer.x && mouse.x < layer.x + layer.width &&
mouse.y > layer.y && mouse.y < layer.y + layer.height) {
//hit
return true;
}
return false;
}
var data = ctx.getImageData(mouse.x, mouse.y, 1, 1).data;
var blank = [0, 0, 0, 0];
if (config.TRANSPARENCY == false) {
blank = [0, 0, 0, 0];