feat:新增滤镜

src/views/components/PenProps.vue

@@ -704,6 +704,16 @@
                     <t-input class="ml-4" placeholder="0" v-model.number="data.pen.shadowBlur" style="width: 64px" @change="changeValue('shadowBlur')" :label="$t('模糊')" :title="$t('模糊大小')"></t-input>
                   </div>
                 </div>
+
+                <div class="form-item">
+                  <label style="width: 52px">滤镜 </label>
+                  <t-input
+                      theme="normal"
+                      placeholder="css滤镜参数"
+                      v-model="data.pen.filter"
+                      @change="changeValue('filter')"
+                  />
+                </div>
               </t-space>
             </t-collapse-panel>