b88c6f9c39
When an highlight is self-intersecting, the outline was drawn inside. In order to remove it, we use a svg mask to exclude the shape inside when drawing the outlines. That leads to change the outline 1px,white-2px,blue-1px,white to a 2px,white-2px,blue: the part of the stroke which is inside the shape is removed because of the mask.
110 lines
2.8 KiB
CSS
110 lines
2.8 KiB
CSS
/* Copyright 2014 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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.canvasWrapper {
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svg {
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transform: none;
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&[data-main-rotation="90"] {
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use:not(.clip) {
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transform: matrix(0, 1, -1, 0, 1, 0);
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}
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}
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&[data-main-rotation="180"] {
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use:not(.clip) {
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transform: matrix(-1, 0, 0, -1, 1, 1);
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}
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}
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&[data-main-rotation="270"] {
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use:not(.clip) {
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transform: matrix(0, -1, 1, 0, 0, 1);
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}
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}
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&.highlight {
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--blend-mode: multiply;
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@media screen and (forced-colors: active) {
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--blend-mode: difference;
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}
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position: absolute;
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mix-blend-mode: var(--blend-mode);
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&:not(.free) {
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fill-rule: evenodd;
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}
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}
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&.highlightOutline {
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position: absolute;
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mix-blend-mode: normal;
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fill-rule: evenodd;
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fill: none;
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&:not(.free) {
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&.hovered:not(.selected) {
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stroke: var(--hover-outline-color);
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stroke-width: var(--outline-width);
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}
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&.selected {
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.mainOutline {
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stroke: var(--outline-around-color);
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stroke-width: calc(
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var(--outline-width) + 2 * var(--outline-around-width)
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);
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}
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.secondaryOutline {
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stroke: var(--outline-color);
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stroke-width: var(--outline-width);
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}
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}
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}
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&.free {
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/*
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When drawing the outline we use a mask in order to remove the parts
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that are inside the shape. Unfortunately, this removes the part of the
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outline that is inside the shape. To "fix" this we increase the width
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to have what we want to be visible outside the shape.
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This is not a perfect solution, but it works well enough.
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*/
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&.hovered:not(.selected) {
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stroke: var(--hover-outline-color);
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stroke-width: calc(2 * var(--outline-width));
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}
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&.selected {
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.mainOutline {
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stroke: var(--outline-around-color);
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stroke-width: calc(
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2 * (var(--outline-width) + var(--outline-around-width))
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);
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}
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.secondaryOutline {
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stroke: var(--outline-color);
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stroke-width: calc(2 * var(--outline-width));
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}
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}
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}
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}
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}
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}
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