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 */
9 #include "extension/effect.h"
10 #include "extension/system.h"
12 #include "levelChannel.h"
14 namespace Inkscape {
15 namespace Extension {
16 namespace Internal {
17 namespace Bitmap {
19 void
20 LevelChannel::applyEffect(Magick::Image* image) {
21 Magick::ChannelType channel = Magick::UndefinedChannel;
22 if (!strcmp(_channelName, "Red Channel")) channel = Magick::RedChannel;
23 else if (!strcmp(_channelName, "Green Channel")) channel = Magick::GreenChannel;
24 else if (!strcmp(_channelName, "Blue Channel")) channel = Magick::BlueChannel;
25 else if (!strcmp(_channelName, "Cyan Channel")) channel = Magick::CyanChannel;
26 else if (!strcmp(_channelName, "Magenta Channel")) channel = Magick::MagentaChannel;
27 else if (!strcmp(_channelName, "Yellow Channel")) channel = Magick::YellowChannel;
28 else if (!strcmp(_channelName, "Black Channel")) channel = Magick::BlackChannel;
29 else if (!strcmp(_channelName, "Opacity Channel")) channel = Magick::OpacityChannel;
30 else if (!strcmp(_channelName, "Matte Channel")) channel = Magick::MatteChannel;
31 Magick::Quantum black_point = Magick::Color::scaleDoubleToQuantum(_black_point / 100.0);
32 Magick::Quantum white_point = Magick::Color::scaleDoubleToQuantum(_white_point / 100.0);
33 image->levelChannel(channel, black_point, white_point, _mid_point);
34 }
36 void
37 LevelChannel::refreshParameters(Inkscape::Extension::Effect* module) {
38 _channelName = module->get_param_enum("channel");
39 _black_point = module->get_param_float("blackPoint");
40 _white_point = module->get_param_float("whitePoint");
41 _mid_point = module->get_param_float("midPoint");
42 }
44 #include "../clear-n_.h"
46 void
47 LevelChannel::init(void)
48 {
49 Inkscape::Extension::build_from_mem(
50 "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
51 "<name>" N_("Level (with Channel)") "</name>\n"
52 "<id>org.inkscape.effect.bitmap.levelChannel</id>\n"
53 "<param name=\"channel\" gui-text=\"" N_("Channel:") "\" type=\"enum\" >\n"
54 "<_item value='Red Channel'>" N_("Red Channel") "</_item>\n"
55 "<_item value='Green Channel'>" N_("Green Channel") "</_item>\n"
56 "<_item value='Blue Channel'>" N_("Blue Channel") "</_item>\n"
57 "<_item value='Cyan Channel'>" N_("Cyan Channel") "</_item>\n"
58 "<_item value='Magenta Channel'>" N_("Magenta Channel") "</_item>\n"
59 "<_item value='Yellow Channel'>" N_("Yellow Channel") "</_item>\n"
60 "<_item value='Black Channel'>" N_("Black Channel") "</_item>\n"
61 "<_item value='Opacity Channel'>" N_("Opacity Channel") "</_item>\n"
62 "<_item value='Matte Channel'>" N_("Matte Channel") "</_item>\n"
63 "</param>\n"
64 "<param name=\"blackPoint\" gui-text=\"" N_("Black Point:") "\" type=\"float\" min=\"0.0\" max=\"100.0\">0.0</param>\n"
65 "<param name=\"whitePoint\" gui-text=\"" N_("White Point:") "\" type=\"float\" min=\"0.0\" max=\"100.0\">100.0</param>\n"
66 "<param name=\"midPoint\" gui-text=\"" N_("Gamma Correction:") "\" type=\"float\" min=\"0.0\" max=\"10.0\">1.0</param>\n"
67 "<effect>\n"
68 "<object-type>all</object-type>\n"
69 "<effects-menu>\n"
70 "<submenu name=\"" N_("Raster") "\" />\n"
71 "</effects-menu>\n"
72 "<menu-tip>" N_("Level the specified channel of selected bitmap(s) by scaling values falling between the given ranges to the full color range") "</menu-tip>\n"
73 "</effect>\n"
74 "</inkscape-extension>\n", new LevelChannel());
75 }
77 }; /* namespace Bitmap */
78 }; /* namespace Internal */
79 }; /* namespace Extension */
80 }; /* namespace Inkscape */