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| 309 | image containing them all. |
309 | image containing them all. |
| 310 | |
310 | |
| 311 | =cut |
311 | =cut |
| 312 | |
312 | |
| 313 | sub merge(@) { |
313 | sub merge(@) { |
| 314 | #TODO |
314 | # rather annoyingly clumsy, but optimisation is for another time |
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315 | |
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316 | my $x0 = 1e9; |
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317 | my $y0 = 1e9; |
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318 | my $x1 = -1e9; |
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319 | my $y1 = -1e9; |
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320 | |
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321 | for (@_) { |
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322 | my ($x, $y, $w, $h) = $_->geometry; |
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323 | |
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324 | $x0 = $x if $x0 > $x; |
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325 | $y0 = $y if $y0 > $y; |
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326 | |
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327 | $x += $w; |
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328 | $y += $h; |
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329 | |
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330 | $x1 = $x if $x1 > $x; |
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331 | $y1 = $y if $y1 > $y; |
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332 | } |
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333 | |
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334 | my $base = $self->new_img ($x0, $y0, $x1 - $x0, $y1 - $y0); |
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335 | $base->fill ([0, 0, 0, 0]); |
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336 | |
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337 | $base->blend (1., $_) |
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338 | for @_; |
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339 | |
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340 | $base |
| 315 | } |
341 | } |
| 316 | |
342 | |
| 317 | =head2 TILING MODES |
343 | =head2 TILING MODES |
| 318 | |
344 | |
| 319 | The following operators modify the tiling mode of an image, that is, the |
345 | The following operators modify the tiling mode of an image, that is, the |
