1 | <template>
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2 | <div class="main-page-root">
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3 | <edit-page v-if="showEditor" class="image-editor" :image="image" @closeRequested="onEditorCloseRequested" />
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4 |
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5 | <div class="paper root-container" :class="{ 'root-container-image-state': image !== null }">
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6 | <div v-if="image === null" class="upload-area" @click="uploadFile">
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7 | <span class="heading1">{{ translations.get("Title") }}</span>
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8 | <span class="material-icons mdi-xl">upload_file</span>
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9 | <span>Upload an image/PDF</span>
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10 | </div>
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11 |
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12 | <div v-if="image !== null" class="image-area">
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13 | <div class="controls">
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14 | <button class="btn-primary" @click="doOcr" :disabled="ocrInProgress">
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15 | <span class="material-icons">play_arrow</span>
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16 | <span>{{ translations.get("Main_PerformOCR") }}</span>
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17 | </button>
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18 |
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19 | <button class="btn-primary" @click="showEditor = true">
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20 | <span class="material-icons">edit</span>
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21 | <span>Edit Image</span>
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22 | </button>
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23 |
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24 | <button class="btn-primary" @click="reset" :disabled="ocrInProgress">
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25 | <span class="material-icons">restart_alt</span>
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26 | <span>New</span>
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27 | </button>
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28 |
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29 | <div v-if="ocrInProgress" class="progress-bar-container">
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30 | <div class="progress-bar-value progress-bar-indeterminate" />
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31 | </div>
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32 | </div>
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33 |
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34 | <img class="image-display" :src="imageUrl" />
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35 |
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36 | <div class="text-container">
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37 | <pre>{{ ocrResult }}</pre>
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38 | </div>
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39 | </div>
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40 | </div>
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41 |
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42 | <input ref="fileInput" type="file" @input="onFilesChanged" class="hidden"
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43 | accept="image/png,image/jpeg,image/gif,image/bmp,image/tiff,image/webp,application/pdf" />
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44 | </div>
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45 |
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46 | </template>
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47 |
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48 | <style lang="scss" scoped>
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49 | .main-page-root {
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50 | display: flex;
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51 | align-items: center;
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52 | justify-content: center;
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53 | }
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54 |
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55 | .root-container {
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56 | padding: 1em;
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57 | transition-duration: var(--transition-duration);
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58 | }
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59 |
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60 | .root-container-image-state {
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61 | width: calc(100% - 3em);
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62 | height: calc(100% - 3em);
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63 | }
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64 |
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65 | .upload-area {
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66 | display: grid;
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67 | grid-template-columns: auto auto;
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68 | grid-template-rows: auto 1fr;
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69 | align-items: center;
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70 | justify-items: center;
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71 |
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72 | padding: 2em;
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73 | gap: 1em;
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74 |
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75 | font-size: 2rem;
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76 | cursor: pointer;
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77 | border: 3px dashed var(--bg-color);
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78 | border-radius: var(--border-radius);
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79 |
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80 | .heading1 {
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81 | grid-column-start: span 2;
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82 | color: #666;
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83 | }
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84 | }
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85 |
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86 | .hidden {
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87 | display: none;
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88 | }
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89 |
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90 | .image-editor {
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91 | position: absolute;
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92 | height: 100%;
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93 | width: 100%;
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94 | top: 0;
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95 | left: 0;
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96 | z-index: 9;
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97 | }
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98 |
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99 | .image-area {
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100 | display: grid;
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101 | grid-template-columns: 1fr 1fr;
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102 | grid-template-rows: auto 1fr;
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103 | height: 100%;
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104 |
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105 | gap: 1rem;
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106 | align-items: center;
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107 | justify-items: center;
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108 |
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109 | position: relative;
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110 | overflow: hidden;
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111 |
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112 | .text-container {
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113 | height: 100%;
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114 | width: 100%;
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115 | }
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116 | }
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117 |
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118 | .image-display {
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119 | border: 1px solid #444;
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120 | max-width: 100%;
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121 | max-height: 80vh;
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122 | object-fit: contain;
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123 | }
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124 |
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125 | .controls {
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126 | display: flex;
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127 | gap: 1em;
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128 | grid-column-start: span 2;
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129 | }
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130 | </style>
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131 |
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132 | <script>
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133 | import { mapState } from "vuex";
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134 | import EditPage from "./EditPage.vue";
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135 | import OcrService, { OcrOptions } from "../js/OcrService"
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136 | import { log } from "../js/Util";
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137 |
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138 | const ocrService = new OcrService();
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139 |
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140 | export default {
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141 | name: "MainPage",
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142 | components: {
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143 | EditPage
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144 | },
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145 | data() {
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146 | return {
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147 | /** @type {File} */
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148 | image: null,
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149 | imageUrl: null,
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150 | ocrInProgress: false,
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151 | ocrResult: null,
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152 | showEditor: false
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153 | }
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154 | },
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155 | computed: {
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156 | ...mapState({
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157 | translations: state => state.translations
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158 | })
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159 | },
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160 | methods: {
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161 | uploadFile() {
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162 | this.$refs.fileInput.click();
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163 | },
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164 | async onFilesChanged() {
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165 | /** @type {File[]} */
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166 | const files = this.$refs.fileInput.files;
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167 | if (files === null || files === undefined || files.length !== 1) {
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168 | return;
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169 | }
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170 |
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171 | this.image = files[0];
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172 | this.imageUrl = URL.createObjectURL(this.image);
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173 | },
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174 | async doOcr() {
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175 | try {
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176 | this.ocrInProgress = true;
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177 |
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178 | const imageBlob = await this.$refs.imageEditor.getImageBlobAsync();
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179 |
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180 | const result = await ocrService.run([
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181 | {
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182 | image: imageBlob,
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183 | options: new OcrOptions(false)
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184 | }
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185 | ]);
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186 |
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187 | this.ocrResult = result[0].text;
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188 | }
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189 | catch (ex) {
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190 | // TODO: Display error
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191 | log("Failed to perform OCR", "error");
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192 | log(ex, "error");
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193 | }
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194 | finally {
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195 | this.ocrInProgress = false;
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196 | }
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197 | },
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198 | onEditorCloseRequested() {
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199 | this.showEditor = false;
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200 | },
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201 | reset() {
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202 | this.image = null;
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203 | URL.revokeObjectURL(this.imageUrl);
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204 | this.imageUrl = null;
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205 | this.ocrInProgress = false;
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206 | this.ocrResult = null;
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207 | this.showEditor = false;
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208 | this.$refs.fileInput.value = "";
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209 | }
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210 | }
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211 | }
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212 | </script>
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