#define __SP_GAUSSIANBLUR_CPP__ /** \file * SVG <gaussianBlur> implementation. * */ /* * Authors: * Hugo Rodrigues <haa.rodrigues@gmail.com> * Niko Kiirala <niko@kiirala.com> * * Copyright (C) 2006,2007 Authors * * Released under GNU GPL, read the file 'COPYING' for more information */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "attributes.h" #include "svg/svg.h" #include "sp-gaussian-blur.h" #include "xml/repr.h" #include "display/nr-filter.h" #include "display/nr-filter-primitive.h" #include "display/nr-filter-gaussian.h" #include "display/nr-filter-types.h" //#define SP_MACROS_SILENT //#include "macros.h" /* GaussianBlur base class */ static void sp_gaussianBlur_class_init(SPGaussianBlurClass *klass); static void sp_gaussianBlur_init(SPGaussianBlur *gaussianBlur); static void sp_gaussianBlur_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr); static void sp_gaussianBlur_release(SPObject *object); static void sp_gaussianBlur_set(SPObject *object, unsigned int key, gchar const *value); static void sp_gaussianBlur_update(SPObject *object, SPCtx *ctx, guint flags); static Inkscape::XML::Node *sp_gaussianBlur_write(SPObject *object, Inkscape::XML::Node *repr, guint flags); static void sp_gaussianBlur_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter); static SPFilterPrimitiveClass *gaussianBlur_parent_class; GType sp_gaussianBlur_get_type() { static GType gaussianBlur_type = 0; if (!gaussianBlur_type) { GTypeInfo gaussianBlur_info = { sizeof(SPGaussianBlurClass), NULL, NULL, (GClassInitFunc) sp_gaussianBlur_class_init, NULL, NULL, sizeof(SPGaussianBlur), 16, (GInstanceInitFunc) sp_gaussianBlur_init, NULL, /* value_table */ }; gaussianBlur_type = g_type_register_static(SP_TYPE_FILTER_PRIMITIVE, "SPGaussianBlur", &gaussianBlur_info, (GTypeFlags)0); } return gaussianBlur_type; } static void sp_gaussianBlur_class_init(SPGaussianBlurClass *klass) { SPObjectClass *sp_object_class = (SPObjectClass *)klass; SPFilterPrimitiveClass *sp_primitive_class = (SPFilterPrimitiveClass *)klass; gaussianBlur_parent_class = (SPFilterPrimitiveClass *)g_type_class_peek_parent(klass); sp_object_class->build = sp_gaussianBlur_build; sp_object_class->release = sp_gaussianBlur_release; sp_object_class->write = sp_gaussianBlur_write; sp_object_class->set = sp_gaussianBlur_set; sp_object_class->update = sp_gaussianBlur_update; sp_primitive_class->build_renderer = sp_gaussianBlur_build_renderer; } static void sp_gaussianBlur_init(SPGaussianBlur */*gaussianBlur*/) { } /** * Reads the Inkscape::XML::Node, and initializes SPGaussianBlur variables. For this to get called, * our name must be associated with a repr via "sp_object_type_register". Best done through * sp-object-repr.cpp's repr_name_entries array. */ static void 00097 sp_gaussianBlur_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr) { if (((SPObjectClass *) gaussianBlur_parent_class)->build) { ((SPObjectClass *) gaussianBlur_parent_class)->build(object, document, repr); } sp_object_read_attr(object, "stdDeviation"); } /** * Drops any allocated memory. */ static void 00111 sp_gaussianBlur_release(SPObject *object) { if (((SPObjectClass *) gaussianBlur_parent_class)->release) ((SPObjectClass *) gaussianBlur_parent_class)->release(object); } /** * Sets a specific value in the SPGaussianBlur. */ static void 00122 sp_gaussianBlur_set(SPObject *object, unsigned int key, gchar const *value) { SPGaussianBlur *gaussianBlur = SP_GAUSSIANBLUR(object); switch(key) { case SP_ATTR_STDDEVIATION: gaussianBlur->stdDeviation.set(value); object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG); break; default: if (((SPObjectClass *) gaussianBlur_parent_class)->set) ((SPObjectClass *) gaussianBlur_parent_class)->set(object, key, value); break; } } /** * Receives update notifications. */ static void 00143 sp_gaussianBlur_update(SPObject *object, SPCtx *ctx, guint flags) { if (flags & SP_OBJECT_MODIFIED_FLAG) { sp_object_read_attr(object, "stdDeviation"); } if (((SPObjectClass *) gaussianBlur_parent_class)->update) { ((SPObjectClass *) gaussianBlur_parent_class)->update(object, ctx, flags); } } /** * Writes its settings to an incoming repr object, if any. */ static Inkscape::XML::Node * 00158 sp_gaussianBlur_write(SPObject *object, Inkscape::XML::Node *repr, guint flags) { // Inkscape-only object, not copied during an "plain SVG" dump: if (flags & SP_OBJECT_WRITE_EXT) { if (repr) { // is this sane? // repr->mergeFrom(SP_OBJECT_REPR(object), "id"); } else { repr = SP_OBJECT_REPR(object)->duplicate(NULL); // FIXME } } if (((SPObjectClass *) gaussianBlur_parent_class)->write) { ((SPObjectClass *) gaussianBlur_parent_class)->write(object, repr, flags); } return repr; } void sp_gaussianBlur_setDeviation(SPGaussianBlur *blur, float num) { blur->stdDeviation.setNumber(num); } void sp_gaussianBlur_setDeviation(SPGaussianBlur *blur, float num, float optnum) { blur->stdDeviation.setNumber(num); blur->stdDeviation.setOptNumber(optnum); } static void sp_gaussianBlur_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter) { SPGaussianBlur *sp_blur = SP_GAUSSIANBLUR(primitive); int handle = filter->add_primitive(NR::NR_FILTER_GAUSSIANBLUR); NR::FilterPrimitive *nr_primitive = filter->get_primitive(handle); NR::FilterGaussian *nr_blur = dynamic_cast<NR::FilterGaussian*>(nr_primitive); sp_filter_primitive_renderer_common(primitive, nr_primitive); gfloat num = sp_blur->stdDeviation.getNumber(); if (num >= 0.0) { gfloat optnum = sp_blur->stdDeviation.getOptNumber(); if(optnum >= 0.0) nr_blur->set_deviation((double) num, (double) optnum); else nr_blur->set_deviation((double) num); } } /* Local Variables: mode:c++ c-file-style:"stroustrup" c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) indent-tabs-mode:nil fill-column:99 End: */ // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :