r16217@tres: ted | 2007-08-10 10:36:27 -0700

 ImageMagick effects patch from Chris Brown.  Google Summer of Code 
 project.

(bzr r3450)

1 files changed, 58 insertions, 0 deletions

diff --git a/src/extension/internal/bitmap/level.cpp b/src/extension/internal/bitmap/level.cpp
new file mode 100644
index 000000000..f48be32a2
--- /dev/null
+++ b/src/extension/internal/bitmap/level.cpp
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2007 Authors:
+ *   Christopher Brown <audiere@gmail.com>
+ *   Ted Gould <ted@gould.cx>
+ *   
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include "extension/effect.h"
+#include "extension/system.h"
+
+#include "level.h"
+
+namespace Inkscape {
+namespace Extension {
+namespace Internal {
+namespace Bitmap {
+	
+void
+Level::applyEffect(Magick::Image* image) {
+	Magick::Quantum black_point = Magick::Color::scaleDoubleToQuantum(_black_point / 100.0);
+	Magick::Quantum white_point = Magick::Color::scaleDoubleToQuantum(_white_point / 100.0);
+	image->level(black_point, white_point, _mid_point);
+}
+
+void
+Level::refreshParameters(Inkscape::Extension::Effect* module) {
+	_black_point = module->get_param_float("blackPoint");
+	_white_point = module->get_param_float("whitePoint");
+	_mid_point = module->get_param_float("midPoint");
+}
+
+#include "../clear-n_.h"
+
+void
+Level::init(void)
+{
+	Inkscape::Extension::build_from_mem(
+		"<inkscape-extension>\n"
+			"<name>" N_("Level") "</name>\n"
+			"<id>org.inkscape.effect.bitmap.level</id>\n"
+			"<param name=\"blackPoint\" gui-text=\"" N_("Black Point") "\" type=\"float\" min=\"0.0\" max=\"100.0\">0.0</param>\n"			
+			"<param name=\"whitePoint\" gui-text=\"" N_("White Point") "\" type=\"float\" min=\"0.0\" max=\"100.0\">100.0</param>\n"			
+			"<param name=\"midPoint\" gui-text=\"" N_("Gamma Correction") "\" type=\"float\" min=\"0.0\" max=\"10.0\">1.0</param>\n"
+			"<effect>\n"
+				"<object-type>all</object-type>\n"
+				"<effects-menu>\n"
+					"<submenu name=\"" N_("Raster") "\" />\n"
+				"</effects-menu>\n"
+				"<menu-tip>" N_("Apply Level Effect") "</menu-tip>\n"
+			"</effect>\n"
+		"</inkscape-extension>\n", new Level());
+}
+
+}; /* namespace Bitmap */
+}; /* namespace Internal */
+}; /* namespace Extension */
+}; /* namespace Inkscape */