src/extension/internal/bitmap/opacity.cpp

   1 /*
   2  * Copyright (C) 2007 Authors:
   3  *   Christopher Brown <audiere@gmail.com>
   4  *   Ted Gould <ted@gould.cx>
   5  *
   6  * Released under GNU GPL, read the file 'COPYING' for more information
   7  */
   8
   9 #include "extension/effect.h"
  10 #include "extension/system.h"
  11
  12 #include "opacity.h"
  13
  14 namespace Inkscape {
  15 namespace Extension {
  16 namespace Internal {
  17 namespace Bitmap {
  18
  19 void
  20 Opacity::applyEffect(Magick::Image* image) {
  21         Magick::Quantum opacity = Magick::Color::scaleDoubleToQuantum(_opacity / 100.0);
  22         image->opacity(opacity);
  23 }
  24
  25 void
  26 Opacity::refreshParameters(Inkscape::Extension::Effect* module) {
  27         _opacity = module->get_param_float("opacity");
  28 }
  29
  30 #include "../clear-n_.h"
  31
  32 void
  33 Opacity::init(void)
  34 {
  35         Inkscape::Extension::build_from_mem(
  36                 "<inkscape-extension>\n"
  37                         "<name>" N_("Opacity") "</name>\n"
  38                         "<id>org.inkscape.effect.bitmap.opacity</id>\n"
  39                         "<param name=\"opacity\" gui-text=\"" N_("Opacity") "\" type=\"float\" min=\"0.0\" max=\"100.0\">80.0</param>\n"
  40                         "<effect>\n"
  41                                 "<object-type>all</object-type>\n"
  42                                 "<effects-menu>\n"
  43                                         "<submenu name=\"" N_("Raster") "\" />\n"
  44                                 "</effects-menu>\n"
  45                                 "<menu-tip>" N_("Apply Opacity Effect") "</menu-tip>\n"
  46                         "</effect>\n"
  47                 "</inkscape-extension>\n", new Opacity());
  48 }
  49
  50 }; /* namespace Bitmap */
  51 }; /* namespace Internal */
  52 }; /* namespace Extension */
  53 }; /* namespace Inkscape */