| … | |
… | |
| 66 | * |
66 | * |
| 67 | * WxH+X+Y Set scaling to W% by H%, and position to X% by Y%. |
67 | * WxH+X+Y Set scaling to W% by H%, and position to X% by Y%. |
| 68 | * W and H are percentages of the terminal window size. |
68 | * W and H are percentages of the terminal window size. |
| 69 | * X and Y are also percentages; e.g., +50+50 centers |
69 | * X and Y are also percentages; e.g., +50+50 centers |
| 70 | * the image in the window. |
70 | * the image in the window. |
| 71 | * WxH+X Assumes Y == X |
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| 72 | * WxH Assumes Y == X == 50 (centers the image) |
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| 73 | * W+X+Y Assumes H == W |
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| 74 | * W+X Assumes H == W and Y == X |
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| 75 | * W Assumes H == W and Y == X == 50 |
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| 76 | * |
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| 77 | * Adjusting position only : |
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| 78 | * =+X+Y Set position to X% by Y% (absolute). |
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| 79 | * =+X Set position to X% by X%. |
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| 80 | * +X+Y Adjust position horizontally X% and vertically Y% |
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| 81 | * from current position (relative). |
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| 82 | * +X Adjust position horizontally X% and vertically X% |
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| 83 | * from current position. |
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| 84 | * |
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| 85 | * Adjusting scale only : |
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| 86 | * Wx0 Multiply horizontal scaling factor by W% |
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| 87 | * 0xH Multiply vertical scaling factor by H% |
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| 88 | * 0x0 No scaling (show image at normal size). |
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| 89 | * |
71 | * |
| 90 | * Pixmap Operations : (should be prepended by a colon) |
72 | * Pixmap Operations : (should be prepended by a colon) |
| 91 | * tile Tile image. Scaling/position modifiers above will affect |
73 | * tile Tile image. Scaling/position modifiers above will affect |
| 92 | * the tile size and origin. |
74 | * the tile size and origin. |
| 93 | * propscale When scaling, scale proportionally. That is, maintain the |
75 | * propscale When scaling, scale proportionally. That is, maintain the |
| … | |
… | |
| 256 | dst_size = target_size - dst_pos; |
238 | dst_size = target_size - dst_pos; |
| 257 | return src_pos; |
239 | return src_pos; |
| 258 | } |
240 | } |
| 259 | |
241 | |
| 260 | bool |
242 | bool |
| 261 | bgPixmap_t::set_geometry (const char *geom) |
243 | bgPixmap_t::set_geometry (const char *geom, bool update) |
| 262 | { |
244 | { |
| 263 | bool changed = false; |
245 | bool changed = false; |
| 264 | int geom_flags = 0; |
246 | int geom_flags = 0; |
| 265 | int x = 0, y = 0; |
247 | int x = 0, y = 0; |
| 266 | unsigned int w = 0, h = 0; |
248 | unsigned int w = 0, h = 0; |
| … | |
… | |
| 280 | |
262 | |
| 281 | n = (p - geom); |
263 | n = (p - geom); |
| 282 | if (n < MAXLEN_GEOM) |
264 | if (n < MAXLEN_GEOM) |
| 283 | { |
265 | { |
| 284 | char *ops; |
266 | char *ops; |
| 285 | new_flags |= geometrySet; |
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| 286 | |
267 | |
| 287 | memcpy (str, geom, n); |
268 | memcpy (str, geom, n); |
| 288 | str[n] = '\0'; |
269 | str[n] = '\0'; |
| 289 | if (str[0] == ':') |
270 | if (str[0] == ':') |
| 290 | ops = &str[0]; |
271 | ops = &str[0]; |
| … | |
… | |
| 305 | if (ops > str || ops == NULL) |
286 | if (ops > str || ops == NULL) |
| 306 | { |
287 | { |
| 307 | /* we have geometry string - let's handle it prior to applying ops */ |
288 | /* we have geometry string - let's handle it prior to applying ops */ |
| 308 | geom_flags = XParseGeometry (str, &x, &y, &w, &h); |
289 | geom_flags = XParseGeometry (str, &x, &y, &w, &h); |
| 309 | |
290 | |
| 310 | if ((geom_flags & XValue) && !(geom_flags & YValue)) |
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| 311 | { |
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| 312 | y = x; |
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| 313 | geom_flags |= YValue; |
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| 314 | } |
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| 315 | |
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| 316 | if (flags & geometrySet) |
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| 317 | { |
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| 318 | /* new geometry is an adjustment to the old one ! */ |
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| 319 | if ((geom_flags & WidthValue) && (geom_flags & HeightValue)) |
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| 320 | { |
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| 321 | if (w == 0 && h != 0) |
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| 322 | { |
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| 323 | w = h_scale; |
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| 324 | h = (v_scale * h) / 100; |
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| 325 | } |
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| 326 | else if (h == 0 && w != 0) |
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| 327 | { |
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| 328 | w = (h_scale * w) / 100; |
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| 329 | h = v_scale; |
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| 330 | } |
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| 331 | } |
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| 332 | if (geom_flags & XValue) |
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| 333 | { |
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| 334 | if (str[0] != '=') |
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| 335 | { |
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| 336 | y += v_align; |
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| 337 | x += h_align; |
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| 338 | } |
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| 339 | } |
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| 340 | } |
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| 341 | else /* setting up geometry from scratch */ |
291 | if (!update) /* setting up geometry from scratch */ |
| 342 | { |
292 | { |
| 343 | if (!(geom_flags & XValue)) |
293 | if (!(geom_flags & XValue)) |
| 344 | { |
294 | { |
| 345 | /* use default geometry - centered */ |
295 | /* use default geometry - centered */ |
| 346 | x = y = defaultAlign; |
296 | x = y = defaultAlign; |
| … | |
… | |
| 360 | } |
310 | } |
| 361 | else |
311 | else |
| 362 | w = h; |
312 | w = h; |
| 363 | } |
313 | } |
| 364 | } /* done parsing geometry string */ |
314 | } /* done parsing geometry string */ |
| 365 | else if (!(flags & geometrySet)) |
315 | else if (!update) |
| 366 | { |
316 | { |
| 367 | /* default geometry - scaled and centered */ |
317 | /* default geometry - scaled and centered */ |
| 368 | x = y = defaultAlign; |
318 | x = y = defaultAlign; |
| 369 | w = h = defaultScale; |
319 | w = h = defaultScale; |
| 370 | } |
320 | } |
| 371 | |
321 | |
| 372 | if (!(flags & geometrySet)) |
322 | if (!update) |
| 373 | geom_flags |= WidthValue|HeightValue|XValue|YValue; |
323 | geom_flags |= WidthValue|HeightValue|XValue|YValue; |
| 374 | |
324 | |
| 375 | if (ops) |
325 | if (ops) |
| 376 | { |
326 | { |
| 377 | while (*ops) |
327 | while (*ops) |
