1<!-- Copyright (C) 2017 The Android Open Source Project
2
3     Licensed under the Apache License, Version 2.0 (the "License");
4     you may not use this file except in compliance with the License.
5     You may obtain a copy of the License at
6
7          http://www.apache.org/licenses/LICENSE-2.0
8
9     Unless required by applicable law or agreed to in writing, software
10     distributed under the License is distributed on an "AS IS" BASIS,
11     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12     See the License for the specific language governing permissions and
13     limitations under the License.
14-->
15<template>
16  <div class="bounds" :style="boundsStyle">
17    <div
18      class="rect" v-for="r in filteredRects"
19      :style="rectToStyle(r)"
20      @click="onClick(r)"
21      v-bind:key="`${r.left}-${r.right}-${r.top}-${r.bottom}-${r.ref.name}`"
22    >
23      <span class="label">{{r.label}}</span>
24    </div>
25    <div class="highlight" v-if="highlight" :style="rectToStyle(highlight)" />
26  </div>
27</template>
28
29<script>
30
31// eslint-disable-next-line camelcase
32import {multiply_rect} from './matrix_utils.js';
33
34export default {
35  name: 'rects',
36  props: ['bounds', 'rects', 'highlight'],
37  data() {
38    return {
39      desiredHeight: 800,
40      desiredWidth: 400,
41    };
42  },
43  computed: {
44    boundsC() {
45      if (this.bounds) {
46        return this.bounds;
47      }
48      const width = Math.max(
49          ...this.rects.map((r) => multiply_rect(r.transform, r).right));
50      const height = Math.max(
51          ...this.rects.map((r) => multiply_rect(r.transform, r).bottom));
52      return {width, height};
53    },
54    boundsStyle() {
55      return this.rectToStyle({top: 0, left: 0, right: this.boundsC.width,
56        bottom: this.boundsC.height});
57    },
58    filteredRects() {
59      return this.rects.filter((rect) => {
60        const isVisible = rect.ref.visible ?? rect.ref.isVisible;
61        console.warn(`Name: ${rect.ref.name} Kind: ${rect.ref.kind} isVisible=${isVisible}`);
62        return isVisible;
63      });
64    },
65  },
66  methods: {
67    s(sourceCoordinate) { // translate source into target coordinates
68      let scale;
69      if (this.boundsC.width < this.boundsC.height) {
70        scale = this.desiredHeight / this.boundsC.height;
71      } else {
72        scale = this.desiredWidth / this.boundsC.width;
73      }
74      return sourceCoordinate * scale;
75    },
76    rectToStyle(r) {
77      const x = this.s(r.left);
78      const y = this.s(r.top);
79      const w = this.s(r.right) - this.s(r.left);
80      const h = this.s(r.bottom) - this.s(r.top);
81      const t = r.transform;
82      const tr = t ? `matrix(${t.dsdx}, ${t.dtdx}, ${t.dsdy}, ${t.dtdy}, ` +
83          `${this.s(t.tx)}, ${this.s(t.ty)})` : '';
84      return `top: ${y}px; left: ${x}px; height: ${h}px; width: ${w}px;` +
85             `transform: ${tr}; transform-origin: 0 0;`;
86    },
87    onClick(r) {
88      this.$emit('rect-click', r.ref);
89    },
90  },
91};
92</script>
93
94<style scoped>
95.bounds {
96  position: relative;
97  overflow: hidden;
98}
99.highlight, .rect {
100  position: absolute;
101  box-sizing: border-box;
102  display: flex;
103  justify-content: flex-end;
104}
105.rect {
106  border: 1px solid black;
107  background-color: rgba(110, 114, 116, 0.8);
108}
109.highlight {
110  border: 2px solid rgb(235, 52, 52);
111  pointer-events: none;
112}
113.label {
114  align-self: center;
115}
116</style>
117