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| 1 | +import { |
| 2 | + Theme, |
| 3 | + Store, |
| 4 | + Logic, |
| 5 | + Util, |
| 6 | + Icons, |
| 7 | + VideoPreviewSize, |
| 8 | + VideoEditorLayerImage, |
| 9 | + ZoomDetail, |
| 10 | +} from "../../../def.slint"; |
| 11 | +import { VEFilter, FilterType } from "../filter.slint"; |
| 12 | +import { IconBtn, Divider, Label } from "../../../../base/widgets.slint"; |
| 13 | +import { MoveHandle } from "move-handle.slint"; |
| 14 | + |
| 15 | +export component PreviewZoomLayers inherits Rectangle { |
| 16 | + in-out property <[VideoEditorLayerImage]> layers; |
| 17 | + private property <float> width-hight-rate: self.width / self.height; |
| 18 | + private property <FilterType> selected-filter-type <=> VEFilter.selected-filter.ty; |
| 19 | + |
| 20 | + for index in layers.length: rec := Rectangle { |
| 21 | + x: 0; |
| 22 | + y: 0; |
| 23 | + |
| 24 | + private property <VideoEditorLayerImage> layer: layers[layers.length - 1 - index]; |
| 25 | + private property <ZoomDetail> crop: layer.crop; |
| 26 | + private property <bool> is-edited-track: Store.video-editor-current-edited-track-index == layer.track-index; |
| 27 | + |
| 28 | + container-rec := Rectangle { |
| 29 | + width: img.width; |
| 30 | + height: img.height; |
| 31 | + |
| 32 | + img := Image { |
| 33 | + private property <length> parent-width: rec.width; |
| 34 | + private property <length> parent-height: rec.height; |
| 35 | + private property <float> width-hight-rate: self.source.width / self.source.height; |
| 36 | + |
| 37 | + changed parent-width => { |
| 38 | + self.update-size(); |
| 39 | + } |
| 40 | + |
| 41 | + changed parent-height => { |
| 42 | + self.update-size(); |
| 43 | + } |
| 44 | + |
| 45 | + function update-size() { |
| 46 | + if (root.width-hight-rate > self.width-hight-rate) { |
| 47 | + self.height = root.height; |
| 48 | + self.width = self.height * self.width-hight-rate; |
| 49 | + } else { |
| 50 | + self.width = root.width; |
| 51 | + self.height = self.width / self.width-hight-rate; |
| 52 | + } |
| 53 | + } |
| 54 | + |
| 55 | + function apply-resize(diff-x: length, diff-y: length, corner: int, orig-left: float, orig-top: float, orig-width: float, orig-height: float) { |
| 56 | + let norm-x = diff-x / self.width; |
| 57 | + let norm-y = diff-y / self.height; |
| 58 | + let min-width-norm = Theme.icon-size / self.width; |
| 59 | + let min-height-norm = Theme.icon-size / self.height; |
| 60 | + |
| 61 | + |
| 62 | + // corner 1: top-left, 2: top-right, 3: bottom-right, 4: bottom-left |
| 63 | + if (corner == 1) { // top-left |
| 64 | + let new-left = orig-left + norm-x; |
| 65 | + let new-top = orig-top + norm-y; |
| 66 | + let new-width = orig-width - norm-x; |
| 67 | + let new-height = orig-height - norm-y; |
| 68 | + if (new-left >= 0 && new-width >= min-width-norm) { |
| 69 | + crop.left = new-left; |
| 70 | + crop.width = new-width; |
| 71 | + } |
| 72 | + if (new-top >= 0 && new-height >= min-height-norm) { |
| 73 | + crop.top = new-top; |
| 74 | + crop.height = new-height; |
| 75 | + } |
| 76 | + } else if (corner == 2) { // top-right |
| 77 | + let new-width = orig-width + norm-x; |
| 78 | + let new-top = orig-top + norm-y; |
| 79 | + let new-height = orig-height - norm-y; |
| 80 | + if (crop.left + new-width <= 1.0 && new-width >= min-width-norm) { |
| 81 | + crop.width = new-width; |
| 82 | + } |
| 83 | + if (new-top >= 0 && new-height >= min-height-norm) { |
| 84 | + crop.top = new-top; |
| 85 | + crop.height = new-height; |
| 86 | + } |
| 87 | + } else if (corner == 3) { // bottom-right |
| 88 | + let new-width = orig-width + norm-x; |
| 89 | + let new-height = orig-height + norm-y; |
| 90 | + if (crop.left + new-width <= 1.0 && new-width >= min-width-norm) { |
| 91 | + crop.width = new-width; |
| 92 | + } |
| 93 | + if (crop.top + new-height <= 1.0 && new-height >= min-height-norm) { |
| 94 | + crop.height = new-height; |
| 95 | + } |
| 96 | + } else if (corner == 4) { // bottom-left |
| 97 | + let new-left = orig-left + norm-x; |
| 98 | + let new-width = orig-width - norm-x; |
| 99 | + let new-height = orig-height + norm-y; |
| 100 | + if (new-left >= 0 && new-width >= min-width-norm) { |
| 101 | + crop.left = new-left; |
| 102 | + crop.width = new-width; |
| 103 | + } |
| 104 | + if (crop.top + new-height <= 1.0 && new-height >= min-height-norm) { |
| 105 | + crop.height = new-height; |
| 106 | + } |
| 107 | + } |
| 108 | + } |
| 109 | + |
| 110 | + init => { |
| 111 | + self.update-size(); |
| 112 | + } |
| 113 | + |
| 114 | + source: layer.original-image; |
| 115 | + image-fit: ImageFit.contain; |
| 116 | + } |
| 117 | + |
| 118 | + if is-edited-track: Rectangle { |
| 119 | + width: img.width; |
| 120 | + height: img.height; |
| 121 | + |
| 122 | + private property <length> min-crop-size: Theme.icon-size; |
| 123 | + |
| 124 | + // Display values with minimum size clamping (only for visual display) |
| 125 | + private property <length> display-left: crop.left * img.width; |
| 126 | + private property <length> display-top: crop.top * img.height; |
| 127 | + private property <length> display-width: max(min-crop-size, min(crop.width * img.width, img.width - display-left)); |
| 128 | + private property <length> display-height: max(min-crop-size, min(crop.height * img.height, img.height - display-top)); |
| 129 | + private property <length> display-right: display-left + display-width; |
| 130 | + private property <length> display-bottom: display-top + display-height; |
| 131 | + |
| 132 | + // Store original crop values when drag starts |
| 133 | + private property <float> orig-left; |
| 134 | + private property <float> orig-top; |
| 135 | + private property <float> orig-width; |
| 136 | + private property <float> orig-height; |
| 137 | + |
| 138 | + // Store initial mouse position (relative to img) when drag starts for handles |
| 139 | + private property <length> handle-pressed-x; |
| 140 | + private property <length> handle-pressed-y; |
| 141 | + |
| 142 | + TouchArea { |
| 143 | + width: img.width; |
| 144 | + height: img.height; |
| 145 | + mouse-cursor: self.pressed ? grabbing : grab; |
| 146 | + |
| 147 | + private property <float> move-orig-left; |
| 148 | + private property <float> move-orig-top; |
| 149 | + |
| 150 | + pointer-event(event) => { |
| 151 | + if (event.button == PointerEventButton.left && event.kind == PointerEventKind.down) { |
| 152 | + move-orig-left = crop.left; |
| 153 | + move-orig-top = crop.top; |
| 154 | + } |
| 155 | + } |
| 156 | + |
| 157 | + moved => { |
| 158 | + let norm-x = (self.mouse-x - self.pressed-x) / img.width; |
| 159 | + let norm-y = (self.mouse-y - self.pressed-y) / img.height; |
| 160 | + |
| 161 | + let new-left = move-orig-left + norm-x; |
| 162 | + let new-top = move-orig-top + norm-y; |
| 163 | + |
| 164 | + crop.left = max(0, min(1 - crop.width, new-left)); |
| 165 | + crop.top = max(0, min(1 - crop.height, new-top)); |
| 166 | + } |
| 167 | + |
| 168 | + changed pressed => { |
| 169 | + if (!self.pressed) { |
| 170 | + VEFilter.modify-crop-filter(VEFilter.selected-filter-index, crop, selected-filter-type); |
| 171 | + } |
| 172 | + } |
| 173 | + } |
| 174 | + |
| 175 | + Rectangle { |
| 176 | + x: top-line.x; |
| 177 | + y: top-line.y; |
| 178 | + width: top-line.width; |
| 179 | + height: left-line.height; |
| 180 | + background: Theme.hover-background; |
| 181 | + opacity: Theme.golden-ratio; |
| 182 | + } |
| 183 | + |
| 184 | + top-line := HorizontalLayout { |
| 185 | + x: display-left; |
| 186 | + y: display-top - 1px; |
| 187 | + width: display-width; |
| 188 | + height: 2px; |
| 189 | + alignment: space-between; |
| 190 | + |
| 191 | + for index in ceil(self.width / Theme.icon-size / 2): Rectangle { |
| 192 | + width: Theme.icon-size; |
| 193 | + height: 100%; |
| 194 | + background: Theme.success-color; |
| 195 | + } |
| 196 | + } |
| 197 | + |
| 198 | + bottom-line := HorizontalLayout { |
| 199 | + x: display-left; |
| 200 | + y: display-bottom - 1px; |
| 201 | + width: display-width; |
| 202 | + height: 2px; |
| 203 | + alignment: space-between; |
| 204 | + |
| 205 | + for index in ceil(self.width / Theme.icon-size / 2): Rectangle { |
| 206 | + width: Theme.icon-size; |
| 207 | + height: 100%; |
| 208 | + background: Theme.success-color; |
| 209 | + } |
| 210 | + } |
| 211 | + |
| 212 | + left-line := VerticalLayout { |
| 213 | + x: display-left - 1px; |
| 214 | + y: display-top; |
| 215 | + width: 2px; |
| 216 | + height: display-height; |
| 217 | + alignment: space-between; |
| 218 | + |
| 219 | + for index in ceil(self.height / Theme.icon-size / 2): Rectangle { |
| 220 | + height: Theme.icon-size; |
| 221 | + width: 100%; |
| 222 | + background: Theme.success-color; |
| 223 | + } |
| 224 | + } |
| 225 | + |
| 226 | + // Right line |
| 227 | + VerticalLayout { |
| 228 | + x: display-right - 1px; |
| 229 | + y: display-top; |
| 230 | + width: 2px; |
| 231 | + height: display-height; |
| 232 | + alignment: space-between; |
| 233 | + |
| 234 | + for index in ceil(self.height / Theme.icon-size / 2): Rectangle { |
| 235 | + height: Theme.icon-size; |
| 236 | + width: 100%; |
| 237 | + background: Theme.success-color; |
| 238 | + } |
| 239 | + } |
| 240 | + |
| 241 | + // Top-left handle |
| 242 | + top-left-handle := MoveHandle { |
| 243 | + x: display-left - self.width / 2; |
| 244 | + y: display-top - self.height / 2; |
| 245 | + text: "1"; |
| 246 | + |
| 247 | + pressed-changed => { |
| 248 | + orig-left = crop.left; |
| 249 | + orig-top = crop.top; |
| 250 | + orig-width = crop.width; |
| 251 | + orig-height = crop.height; |
| 252 | + |
| 253 | + handle-pressed-x = self.x + self.mouse-x; |
| 254 | + handle-pressed-y = self.y + self.mouse-y; |
| 255 | + } |
| 256 | + |
| 257 | + moved => { |
| 258 | + let current-x = self.x + self.mouse-x; |
| 259 | + let current-y = self.y + self.mouse-y; |
| 260 | + img.apply-resize(current-x - handle-pressed-x, current-y - handle-pressed-y, 1, |
| 261 | + orig-left, orig-top, orig-width, orig-height); |
| 262 | + } |
| 263 | + |
| 264 | + released => { |
| 265 | + VEFilter.modify-crop-filter(VEFilter.selected-filter-index, crop, selected-filter-type); |
| 266 | + } |
| 267 | + } |
| 268 | + |
| 269 | + // Top-right handle |
| 270 | + top-right-handle := MoveHandle { |
| 271 | + x: display-right - self.width / 2; |
| 272 | + y: display-top - self.height / 2; |
| 273 | + text: "2"; |
| 274 | + |
| 275 | + pressed-changed => { |
| 276 | + orig-left = crop.left; |
| 277 | + orig-top = crop.top; |
| 278 | + orig-width = crop.width; |
| 279 | + orig-height = crop.height; |
| 280 | + handle-pressed-x = self.x + self.mouse-x; |
| 281 | + handle-pressed-y = self.y + self.mouse-y; |
| 282 | + } |
| 283 | + |
| 284 | + moved => { |
| 285 | + let current-x = self.x + self.mouse-x; |
| 286 | + let current-y = self.y + self.mouse-y; |
| 287 | + img.apply-resize(current-x - handle-pressed-x, current-y - handle-pressed-y, 2, |
| 288 | + orig-left, orig-top, orig-width, orig-height); |
| 289 | + } |
| 290 | + |
| 291 | + released => { |
| 292 | + VEFilter.modify-crop-filter(VEFilter.selected-filter-index, crop, selected-filter-type); |
| 293 | + } |
| 294 | + } |
| 295 | + |
| 296 | + // Bottom-right handle |
| 297 | + bottom-right-handle := MoveHandle { |
| 298 | + x: display-right - self.width / 2; |
| 299 | + y: display-bottom - self.height / 2; |
| 300 | + text: "3"; |
| 301 | + |
| 302 | + pressed-changed => { |
| 303 | + orig-left = crop.left; |
| 304 | + orig-top = crop.top; |
| 305 | + orig-width = crop.width; |
| 306 | + orig-height = crop.height; |
| 307 | + handle-pressed-x = self.x + self.mouse-x; |
| 308 | + handle-pressed-y = self.y + self.mouse-y; |
| 309 | + } |
| 310 | + |
| 311 | + moved => { |
| 312 | + let current-x = self.x + self.mouse-x; |
| 313 | + let current-y = self.y + self.mouse-y; |
| 314 | + img.apply-resize(current-x - handle-pressed-x, current-y - handle-pressed-y, 3, |
| 315 | + orig-left, orig-top, orig-width, orig-height); |
| 316 | + } |
| 317 | + |
| 318 | + released => { |
| 319 | + VEFilter.modify-crop-filter(VEFilter.selected-filter-index, crop, selected-filter-type); |
| 320 | + } |
| 321 | + } |
| 322 | + |
| 323 | + // Bottom-left handle |
| 324 | + bottom-left-handle := MoveHandle { |
| 325 | + x: display-left - self.width / 2; |
| 326 | + y: display-bottom - self.height / 2; |
| 327 | + text: "4"; |
| 328 | + |
| 329 | + pressed-changed => { |
| 330 | + orig-left = crop.left; |
| 331 | + orig-top = crop.top; |
| 332 | + orig-width = crop.width; |
| 333 | + orig-height = crop.height; |
| 334 | + handle-pressed-x = self.x + self.mouse-x; |
| 335 | + handle-pressed-y = self.y + self.mouse-y; |
| 336 | + } |
| 337 | + |
| 338 | + moved => { |
| 339 | + let current-x = self.x + self.mouse-x; |
| 340 | + let current-y = self.y + self.mouse-y; |
| 341 | + img.apply-resize(current-x - handle-pressed-x, current-y - handle-pressed-y, 4, |
| 342 | + orig-left, orig-top, orig-width, orig-height); |
| 343 | + } |
| 344 | + |
| 345 | + released => { |
| 346 | + VEFilter.modify-crop-filter(VEFilter.selected-filter-index, crop, selected-filter-type); |
| 347 | + } |
| 348 | + } |
| 349 | + } |
| 350 | + } |
| 351 | + } |
| 352 | +} |
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