Adding upstream version 2.10.36.upstream/2.10.36

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 415 insertions, 0 deletions

diff --git a/plug-ins/script-fu/scripts/weave.scm b/plug-ins/script-fu/scripts/weave.scm
new file mode 100644
index 0000000..81fd0a7
--- /dev/null
+++ b/plug-ins/script-fu/scripts/weave.scm
@@ -0,0 +1,415 @@
+; GIMP - The GNU Image Manipulation Program
+; Copyright (C) 1995 Spencer Kimball and Peter Mattis
+;
+; Weave script --- make an image look as if it were woven
+; Copyright (C) 1997 Federico Mena Quintero
+; federico@nuclecu.unam.mx
+;
+; This program is free software: you can redistribute it and/or modify
+; it under the terms of the GNU General Public License as published by
+; the Free Software Foundation; either version 3 of the License, or
+; (at your option) any later version.
+;
+; This program is distributed in the hope that it will be useful,
+; but WITHOUT ANY WARRANTY; without even the implied warranty of
+; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+; GNU General Public License for more details.
+;
+; You should have received a copy of the GNU General Public License
+; along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+
+; Copies the specified rectangle from/to the specified drawable
+
+(define (copy-rectangle img
+                        drawable
+                        x1
+                        y1
+                        width
+                        height
+                        dest-x
+                        dest-y)
+  (gimp-image-select-rectangle img CHANNEL-OP-REPLACE x1 y1 width height)
+  (gimp-edit-copy drawable)
+  (let ((floating-sel (car (gimp-edit-paste drawable FALSE))))
+    (gimp-layer-set-offsets floating-sel dest-x dest-y)
+    (gimp-floating-sel-anchor floating-sel))
+  (gimp-selection-none img))
+
+; Creates a single weaving tile
+
+(define (create-weave-tile ribbon-width
+                           ribbon-spacing
+                           shadow-darkness
+                           shadow-depth)
+  (let* ((tile-size (+ (* 2 ribbon-width) (* 2 ribbon-spacing)))
+         (darkness (* 255 (/ (- 100 shadow-darkness) 100)))
+         (img (car (gimp-image-new tile-size tile-size RGB)))
+         (drawable (car (gimp-layer-new img tile-size tile-size RGB-IMAGE
+                                        "Weave tile" 100 LAYER-MODE-NORMAL))))
+
+    (gimp-image-undo-disable img)
+    (gimp-image-insert-layer img drawable 0 0)
+
+    (gimp-context-set-background '(0 0 0))
+    (gimp-drawable-edit-fill drawable FILL-BACKGROUND)
+
+    ; Create main horizontal ribbon
+
+    (gimp-context-set-foreground '(255 255 255))
+    (gimp-context-set-background (list darkness darkness darkness))
+
+    (gimp-image-select-rectangle img
+                                 CHANNEL-OP-REPLACE
+                                 0
+                                 ribbon-spacing
+                                 (+ (* 2 ribbon-spacing) ribbon-width)
+                                 ribbon-width)
+
+    (gimp-context-set-gradient-fg-bg-rgb)
+    (gimp-drawable-edit-gradient-fill drawable
+				      GRADIENT-BILINEAR (- 100 shadow-depth)
+				      FALSE 0 0
+				      TRUE
+				      (/ (+ (* 2 ribbon-spacing) ribbon-width -1) 2) 0
+				      0 0)
+
+    ; Create main vertical ribbon
+
+    (gimp-image-select-rectangle img
+                                 CHANNEL-OP-REPLACE
+                                 (+ (* 2 ribbon-spacing) ribbon-width)
+                                 0
+                                 ribbon-width
+                                 (+ (* 2 ribbon-spacing) ribbon-width))
+
+    (gimp-drawable-edit-gradient-fill drawable
+				      GRADIENT-BILINEAR (- 100 shadow-depth)
+				      FALSE 0 0
+				      TRUE
+				      0 (/ (+ (* 2 ribbon-spacing) ribbon-width -1) 2)
+				      0 0)
+
+    ; Create the secondary horizontal ribbon
+
+    (copy-rectangle img
+                    drawable
+                    0
+                    ribbon-spacing
+                    (+ ribbon-width ribbon-spacing)
+                    ribbon-width
+                    (+ ribbon-width ribbon-spacing)
+                    (+ (* 2 ribbon-spacing) ribbon-width))
+
+    (copy-rectangle img
+                    drawable
+                    (+ ribbon-width ribbon-spacing)
+                    ribbon-spacing
+                    ribbon-spacing
+                    ribbon-width
+                    0
+                    (+ (* 2 ribbon-spacing) ribbon-width))
+
+    ; Create the secondary vertical ribbon
+
+    (copy-rectangle img
+                    drawable
+                    (+ (* 2 ribbon-spacing) ribbon-width)
+                    0
+                    ribbon-width
+                    (+ ribbon-width ribbon-spacing)
+                    ribbon-spacing
+                    (+ ribbon-width ribbon-spacing))
+
+    (copy-rectangle img
+                    drawable
+                    (+ (* 2 ribbon-spacing) ribbon-width)
+                    (+ ribbon-width ribbon-spacing)
+                    ribbon-width
+                    ribbon-spacing
+                    ribbon-spacing
+                    0)
+
+    ; Done
+
+    (gimp-image-undo-enable img)
+    (list img drawable)))
+
+; Creates a complete weaving mask
+
+(define (create-weave width
+                      height
+                      ribbon-width
+                      ribbon-spacing
+                      shadow-darkness
+                      shadow-depth)
+  (let* ((tile (create-weave-tile ribbon-width ribbon-spacing shadow-darkness
+                                  shadow-depth))
+         (tile-img (car tile))
+         (tile-layer (cadr tile))
+          (weaving (plug-in-tile RUN-NONINTERACTIVE tile-img tile-layer width height TRUE)))
+    (gimp-image-delete tile-img)
+    weaving))
+
+; Creates a single tile for masking
+
+(define (create-mask-tile ribbon-width
+                          ribbon-spacing
+                          r1-x1
+                          r1-y1
+                          r1-width
+                          r1-height
+                          r2-x1
+                          r2-y1
+                          r2-width
+                          r2-height
+                          r3-x1
+                          r3-y1
+                          r3-width
+                          r3-height)
+  (let* ((tile-size (+ (* 2 ribbon-width) (* 2 ribbon-spacing)))
+         (img (car (gimp-image-new tile-size tile-size RGB)))
+         (drawable (car (gimp-layer-new img tile-size tile-size RGB-IMAGE
+                                        "Mask" 100 LAYER-MODE-NORMAL))))
+    (gimp-image-undo-disable img)
+    (gimp-image-insert-layer img drawable 0 0)
+
+    (gimp-context-set-background '(0 0 0))
+    (gimp-drawable-edit-fill drawable FILL-BACKGROUND)
+
+    (gimp-image-select-rectangle img CHANNEL-OP-REPLACE r1-x1 r1-y1 r1-width r1-height)
+    (gimp-image-select-rectangle img CHANNEL-OP-ADD r2-x1 r2-y1 r2-width r2-height)
+    (gimp-image-select-rectangle img CHANNEL-OP-ADD r3-x1 r3-y1 r3-width r3-height)
+
+    (gimp-context-set-background '(255 255 255))
+    (gimp-drawable-edit-fill drawable FILL-BACKGROUND)
+    (gimp-selection-none img)
+
+    (gimp-image-undo-enable img)
+
+    (list img drawable)))
+
+; Creates a complete mask image
+
+(define (create-mask final-width
+                     final-height
+                     ribbon-width
+                     ribbon-spacing
+                     r1-x1
+                     r1-y1
+                     r1-width
+                     r1-height
+                     r2-x1
+                     r2-y1
+                     r2-width
+                     r2-height
+                     r3-x1
+                     r3-y1
+                     r3-width
+                     r3-height)
+  (let* ((tile (create-mask-tile ribbon-width ribbon-spacing
+                                 r1-x1 r1-y1 r1-width r1-height
+                                 r2-x1 r2-y1 r2-width r2-height
+                                 r3-x1 r3-y1 r3-width r3-height))
+         (tile-img (car tile))
+         (tile-layer (cadr tile))
+         (mask (plug-in-tile RUN-NONINTERACTIVE tile-img tile-layer final-width final-height
+                             TRUE)))
+    (gimp-image-delete tile-img)
+    mask))
+
+; Creates the mask for horizontal ribbons
+
+(define (create-horizontal-mask ribbon-width
+                                ribbon-spacing
+                                final-width
+                                final-height)
+  (create-mask final-width
+               final-height
+               ribbon-width
+               ribbon-spacing
+               0
+               ribbon-spacing
+               (+ (* 2 ribbon-spacing) ribbon-width)
+               ribbon-width
+               0
+               (+ (* 2 ribbon-spacing) ribbon-width)
+               ribbon-spacing
+               ribbon-width
+               (+ ribbon-width ribbon-spacing)
+               (+ (* 2 ribbon-spacing) ribbon-width)
+               (+ ribbon-width ribbon-spacing)
+               ribbon-width))
+
+; Creates the mask for vertical ribbons
+
+(define (create-vertical-mask ribbon-width
+                              ribbon-spacing
+                              final-width
+                              final-height)
+  (create-mask final-width
+               final-height
+               ribbon-width
+               ribbon-spacing
+               (+ (* 2 ribbon-spacing) ribbon-width)
+               0
+               ribbon-width
+               (+ (* 2 ribbon-spacing) ribbon-width)
+               ribbon-spacing
+               0
+               ribbon-width
+               ribbon-spacing
+               ribbon-spacing
+               (+ ribbon-width ribbon-spacing)
+               ribbon-width
+               (+ ribbon-width ribbon-spacing)))
+
+; Adds a threads layer at a certain orientation to the specified image
+
+(define (create-threads-layer img
+                              width
+                              height
+                              length
+                              density
+                              orientation)
+  (let* ((drawable (car (gimp-layer-new img width height RGBA-IMAGE
+                                        "Threads" 100 LAYER-MODE-NORMAL)))
+         (dense (/ density 100.0)))
+    (gimp-image-insert-layer img drawable 0 -1)
+    (gimp-context-set-background '(255 255 255))
+    (gimp-drawable-edit-fill drawable FILL-BACKGROUND)
+    (plug-in-noisify RUN-NONINTERACTIVE img drawable FALSE dense dense dense dense)
+    (plug-in-c-astretch RUN-NONINTERACTIVE img drawable)
+    (cond ((eq? orientation 'horizontal)
+           (plug-in-gauss-rle RUN-NONINTERACTIVE img drawable length TRUE FALSE))
+          ((eq? orientation 'vertical)
+           (plug-in-gauss-rle RUN-NONINTERACTIVE img drawable length FALSE TRUE)))
+    (plug-in-c-astretch RUN-NONINTERACTIVE img drawable)
+    drawable))
+
+(define (create-complete-weave width
+                               height
+                               ribbon-width
+                               ribbon-spacing
+                               shadow-darkness
+                               shadow-depth
+                               thread-length
+                               thread-density
+                               thread-intensity)
+  (let* ((weave (create-weave width height ribbon-width ribbon-spacing
+                              shadow-darkness shadow-depth))
+         (w-img (car weave))
+         (w-layer (cadr weave))
+
+         (h-layer (create-threads-layer w-img width height thread-length
+                                        thread-density 'horizontal))
+         (h-mask (car (gimp-layer-create-mask h-layer ADD-MASK-WHITE)))
+
+         (v-layer (create-threads-layer w-img width height thread-length
+                                        thread-density 'vertical))
+         (v-mask (car (gimp-layer-create-mask v-layer ADD-MASK-WHITE)))
+
+         (hmask (create-horizontal-mask ribbon-width ribbon-spacing
+                                        width height))
+         (hm-img (car hmask))
+         (hm-layer (cadr hmask))
+
+         (vmask (create-vertical-mask ribbon-width ribbon-spacing width height))
+         (vm-img (car vmask))
+         (vm-layer (cadr vmask)))
+
+    (gimp-layer-add-mask h-layer h-mask)
+    (gimp-selection-all hm-img)
+    (gimp-edit-copy hm-layer)
+    (gimp-image-delete hm-img)
+    (gimp-floating-sel-anchor (car (gimp-edit-paste h-mask FALSE)))
+    (gimp-layer-set-opacity h-layer thread-intensity)
+    (gimp-layer-set-mode h-layer LAYER-MODE-MULTIPLY)
+
+    (gimp-layer-add-mask v-layer v-mask)
+    (gimp-selection-all vm-img)
+    (gimp-edit-copy vm-layer)
+    (gimp-image-delete vm-img)
+    (gimp-floating-sel-anchor (car (gimp-edit-paste v-mask FALSE)))
+    (gimp-layer-set-opacity v-layer thread-intensity)
+    (gimp-layer-set-mode v-layer LAYER-MODE-MULTIPLY)
+
+    ; Uncomment this if you want to keep the weaving mask image
+    ; (gimp-display-new (car (gimp-image-duplicate w-img)))
+
+    (list w-img
+          (car (gimp-image-flatten w-img)))))
+
+; The main weave function
+
+(define (script-fu-weave img
+                         drawable
+                         ribbon-width
+                         ribbon-spacing
+                         shadow-darkness
+                         shadow-depth
+                         thread-length
+                         thread-density
+                         thread-intensity)
+  (gimp-context-push)
+  (gimp-image-undo-group-start img)
+
+  (let* (
+        (d-img (car (gimp-item-get-image drawable)))
+        (d-width (car (gimp-drawable-width drawable)))
+        (d-height (car (gimp-drawable-height drawable)))
+        (d-offsets (gimp-drawable-offsets drawable))
+
+        (weaving (create-complete-weave d-width
+                                        d-height
+                                        ribbon-width
+                                        ribbon-spacing
+                                        shadow-darkness
+                                        shadow-depth
+                                        thread-length
+                                        thread-density
+                                        thread-intensity))
+        (w-img (car weaving))
+        (w-layer (cadr weaving))
+        )
+
+    (gimp-context-set-paint-mode LAYER-MODE-NORMAL)
+    (gimp-context-set-opacity 100.0)
+    (gimp-context-set-feather FALSE)
+
+    (gimp-selection-all w-img)
+    (gimp-edit-copy w-layer)
+    (gimp-image-delete w-img)
+    (let ((floating-sel (car (gimp-edit-paste drawable FALSE))))
+      (gimp-layer-set-offsets floating-sel
+                              (car d-offsets)
+                              (cadr d-offsets))
+      (gimp-layer-set-mode floating-sel LAYER-MODE-MULTIPLY)
+      (gimp-floating-sel-to-layer floating-sel)
+    )
+  )
+  (gimp-context-pop)
+  (gimp-image-undo-group-end img)
+  (gimp-displays-flush)
+)
+
+(script-fu-register "script-fu-weave"
+  _"_Weave..."
+  _"Create a new layer filled with a weave effect to be used as an overlay or bump map"
+  "Federico Mena Quintero"
+  "Federico Mena Quintero"
+  "June 1997"
+  "RGB* GRAY*"
+  SF-IMAGE       "Image to Weave"    0
+  SF-DRAWABLE    "Drawable to Weave" 0
+  SF-ADJUSTMENT _"Ribbon width"     '(30  0 256 1 10 1 1)
+  SF-ADJUSTMENT _"Ribbon spacing"   '(10  0 256 1 10 1 1)
+  SF-ADJUSTMENT _"Shadow darkness"  '(75  0 100 1 10 1 1)
+  SF-ADJUSTMENT _"Shadow depth"     '(75  0 100 1 10 1 1)
+  SF-ADJUSTMENT _"Thread length"    '(200 0 256 1 10 1 1)
+  SF-ADJUSTMENT _"Thread density"   '(50  0 100 1 10 1 1)
+  SF-ADJUSTMENT _"Thread intensity" '(100 0 100 1 10 1 1)
+)
+
+(script-fu-menu-register "script-fu-weave"
+                         "<Image>/Filters/Artistic")