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index cc9837041b0df00f353938cfc565a05b7803b0e7..c4e2902d6116d5f43689bdc5157421204db403b6 100644 (file)
/*
* Authors:
* hugo Rodrigues <haa.rodrigues@gmail.com>
+ * Jean-Rene Reinhard <jr@komite.net>
*
* Copyright (C) 2006 Hugo Rodrigues
+ * 2007 authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "attributes.h"
#include "svg/svg.h"
+#include "sp-object.h"
+#include "svg/svg-color.h"
#include "sp-fespecularlighting.h"
#include "xml/repr.h"
-
+#include "display/nr-filter-specularlighting.h"
/* FeSpecularLighting base class */
static void sp_feSpecularLighting_release(SPObject *object);
static void sp_feSpecularLighting_set(SPObject *object, unsigned int key, gchar const *value);
static void sp_feSpecularLighting_update(SPObject *object, SPCtx *ctx, guint flags);
-static Inkscape::XML::Node *sp_feSpecularLighting_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
+//we assume that svg:feSpecularLighting can have any number of children
+//only the first one is considered as the light source of the filter
+//TODO is that right?
+//if not modify child_added and remove_child to raise errors
+static void sp_feSpecularLighting_child_added(SPObject *object,
+ Inkscape::XML::Node *child,
+ Inkscape::XML::Node *ref);
+static void sp_feSpecularLighting_remove_child(SPObject *object, Inkscape::XML::Node *child);
+static void sp_feSpecularLighting_order_changed(SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *old_ref, Inkscape::XML::Node *new_ref);
+static Inkscape::XML::Node *sp_feSpecularLighting_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags);
+static void sp_feSpecularLighting_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter);
+static void sp_feSpecularLighting_children_modified(SPFeSpecularLighting *sp_specularlighting);
static SPFilterPrimitiveClass *feSpecularLighting_parent_class;
sp_feSpecularLighting_class_init(SPFeSpecularLightingClass *klass)
{
SPObjectClass *sp_object_class = (SPObjectClass *)klass;
-
+ SPFilterPrimitiveClass *sp_primitive_class = (SPFilterPrimitiveClass *)klass;
feSpecularLighting_parent_class = (SPFilterPrimitiveClass*)g_type_class_peek_parent(klass);
sp_object_class->build = sp_feSpecularLighting_build;
sp_object_class->write = sp_feSpecularLighting_write;
sp_object_class->set = sp_feSpecularLighting_set;
sp_object_class->update = sp_feSpecularLighting_update;
+ sp_object_class->child_added = sp_feSpecularLighting_child_added;
+ sp_object_class->remove_child = sp_feSpecularLighting_remove_child;
+ sp_object_class->order_changed = sp_feSpecularLighting_order_changed;
+
+ sp_primitive_class->build_renderer = sp_feSpecularLighting_build_renderer;
}
static void
sp_feSpecularLighting_init(SPFeSpecularLighting *feSpecularLighting)
{
+ feSpecularLighting->surfaceScale = 1;
+ feSpecularLighting->specularConstant = 1;
+ feSpecularLighting->specularExponent = 1;
+ feSpecularLighting->lighting_color = 0xffffffff;
+ //TODO kernelUnit
+ feSpecularLighting->renderer = NULL;
+
+ feSpecularLighting->surfaceScale_set = FALSE;
+ feSpecularLighting->specularConstant_set = FALSE;
+ feSpecularLighting->specularExponent_set = FALSE;
+ feSpecularLighting->lighting_color_set = FALSE;
}
/**
@@ -89,6 +120,12 @@ sp_feSpecularLighting_build(SPObject *object, SPDocument *document, Inkscape::XM
}
/*LOAD ATTRIBUTES FROM REPR HERE*/
+ sp_object_read_attr(object, "surfaceScale");
+ sp_object_read_attr(object, "specularConstant");
+ sp_object_read_attr(object, "specularExponent");
+ sp_object_read_attr(object, "kernelUnitLength");
+ sp_object_read_attr(object, "lighting-color");
+
}
/**
sp_feSpecularLighting_set(SPObject *object, unsigned int key, gchar const *value)
{
SPFeSpecularLighting *feSpecularLighting = SP_FESPECULARLIGHTING(object);
- (void)feSpecularLighting;
-
+ gchar const *cend_ptr = NULL;
+ gchar *end_ptr = NULL;
switch(key) {
/*DEAL WITH SETTING ATTRIBUTES HERE*/
+//TODO test forbidden values
+ case SP_ATTR_SURFACESCALE:
+ end_ptr = NULL;
+ if (value) {
+ feSpecularLighting->surfaceScale = g_ascii_strtod(value, &end_ptr);
+ if (end_ptr) {
+ feSpecularLighting->surfaceScale_set = TRUE;
+ } else {
+ g_warning("feSpecularLighting: surfaceScale should be a number ... defaulting to 1");
+ }
+
+ }
+ //if the attribute is not set or has an unreadable value
+ if (!value || !end_ptr) {
+ feSpecularLighting->surfaceScale = 1;
+ feSpecularLighting->surfaceScale_set = FALSE;
+ }
+ if (feSpecularLighting->renderer) {
+ feSpecularLighting->renderer->surfaceScale = feSpecularLighting->surfaceScale;
+ }
+ object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ break;
+ case SP_ATTR_SPECULARCONSTANT:
+ end_ptr = NULL;
+ if (value) {
+ feSpecularLighting->specularConstant = g_ascii_strtod(value, &end_ptr);
+ if (end_ptr && feSpecularLighting->specularConstant >= 0) {
+ feSpecularLighting->specularConstant_set = TRUE;
+ } else {
+ end_ptr = NULL;
+ g_warning("feSpecularLighting: specularConstant should be a positive number ... defaulting to 1");
+ }
+ }
+ if (!value || !end_ptr) {
+ feSpecularLighting->specularConstant = 1;
+ feSpecularLighting->specularConstant_set = FALSE;
+ }
+ if (feSpecularLighting->renderer) {
+ feSpecularLighting->renderer->specularConstant = feSpecularLighting->specularConstant;
+ }
+ object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ break;
+ case SP_ATTR_SPECULAREXPONENT:
+ end_ptr = NULL;
+ if (value) {
+ feSpecularLighting->specularExponent = g_ascii_strtod(value, &end_ptr);
+ if (feSpecularLighting->specularExponent >= 1 && feSpecularLighting->specularExponent <= 128) {
+ feSpecularLighting->specularExponent_set = TRUE;
+ } else {
+ end_ptr = NULL;
+ g_warning("feSpecularLighting: specularExponent should be a number in range [1, 128] ... defaulting to 1");
+ }
+ }
+ if (!value || !end_ptr) {
+ feSpecularLighting->specularExponent = 1;
+ feSpecularLighting->specularExponent_set = FALSE;
+ }
+ if (feSpecularLighting->renderer) {
+ feSpecularLighting->renderer->specularExponent = feSpecularLighting->specularExponent;
+ }
+ object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ break;
+ case SP_ATTR_KERNELUNITLENGTH:
+ //TODO kernelUnit
+ //feSpecularLighting->kernelUnitLength.set(value);
+ /*TODOif (feSpecularLighting->renderer) {
+ feSpecularLighting->renderer->surfaceScale = feSpecularLighting->renderer;
+ }
+ */
+ object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ break;
+ case SP_PROP_LIGHTING_COLOR:
+ cend_ptr = NULL;
+ feSpecularLighting->lighting_color = sp_svg_read_color(value, &cend_ptr, 0xffffffff);
+ //if a value was read
+ if (cend_ptr) {
+ feSpecularLighting->lighting_color_set = TRUE;
+ } else {
+ //lighting_color already contains the default value
+ feSpecularLighting->lighting_color_set = FALSE;
+ }
+ if (feSpecularLighting->renderer) {
+ feSpecularLighting->renderer->lighting_color = feSpecularLighting->lighting_color;
+ }
+ object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ break;
default:
if (((SPObjectClass *) feSpecularLighting_parent_class)->set)
((SPObjectClass *) feSpecularLighting_parent_class)->set(object, key, value);
@@ -126,11 +249,12 @@ sp_feSpecularLighting_set(SPObject *object, unsigned int key, gchar const *value
static void
sp_feSpecularLighting_update(SPObject *object, SPCtx *ctx, guint flags)
{
- if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG |
- SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
-
- /* do something to trigger redisplay, updates? */
-
+ if (flags & (SP_OBJECT_MODIFIED_FLAG)) {
+ sp_object_read_attr(object, "surfaceScale");
+ sp_object_read_attr(object, "specularConstant");
+ sp_object_read_attr(object, "specularExponent");
+ sp_object_read_attr(object, "kernelUnitLength");
+ sp_object_read_attr(object, "lighting-color");
}
if (((SPObjectClass *) feSpecularLighting_parent_class)->update) {
* Writes its settings to an incoming repr object, if any.
*/
static Inkscape::XML::Node *
-sp_feSpecularLighting_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
+sp_feSpecularLighting_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags)
{
+ SPFeSpecularLighting *fespecularlighting = SP_FESPECULARLIGHTING(object);
+
// 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");
+ //repr->mergeFrom(SP_OBJECT_REPR(object), "id");
} else {
- repr = SP_OBJECT_REPR(object)->duplicate(NULL); // FIXME
+ repr = SP_OBJECT_REPR(object)->duplicate(doc);
}
}
-
+ if (fespecularlighting->surfaceScale_set)
+ sp_repr_set_css_double(repr, "surfaceScale", fespecularlighting->surfaceScale);
+ if (fespecularlighting->specularConstant_set)
+ sp_repr_set_css_double(repr, "specularConstant", fespecularlighting->specularConstant);
+ if (fespecularlighting->specularExponent_set)
+ sp_repr_set_css_double(repr, "specularExponent", fespecularlighting->specularExponent);
+ /*TODO kernelUnits */
+ if (fespecularlighting->lighting_color_set) {
+ gchar c[64];
+ sp_svg_write_color(c, sizeof(c), fespecularlighting->lighting_color);
+ repr->setAttribute("lighting-color", c);
+ }
if (((SPObjectClass *) feSpecularLighting_parent_class)->write) {
- ((SPObjectClass *) feSpecularLighting_parent_class)->write(object, repr, flags);
+ ((SPObjectClass *) feSpecularLighting_parent_class)->write(object, doc, repr, flags);
}
return repr;
}
+/**
+ * Callback for child_added event.
+ */
+static void
+sp_feSpecularLighting_child_added(SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref)
+{
+ SPFeSpecularLighting *f = SP_FESPECULARLIGHTING(object);
+
+ if (((SPObjectClass *) feSpecularLighting_parent_class)->child_added)
+ (* ((SPObjectClass *) feSpecularLighting_parent_class)->child_added)(object, child, ref);
+
+ sp_feSpecularLighting_children_modified(f);
+ object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
+}
+
+
+/**
+ * Callback for remove_child event.
+ */
+static void
+sp_feSpecularLighting_remove_child(SPObject *object, Inkscape::XML::Node *child)
+{
+ SPFeSpecularLighting *f = SP_FESPECULARLIGHTING(object);
+
+ if (((SPObjectClass *) feSpecularLighting_parent_class)->remove_child)
+ (* ((SPObjectClass *) feSpecularLighting_parent_class)->remove_child)(object, child);
+
+ sp_feSpecularLighting_children_modified(f);
+ object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
+}
+
+static void
+sp_feSpecularLighting_order_changed (SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *old_ref, Inkscape::XML::Node *new_ref)
+{
+ SPFeSpecularLighting *f = SP_FESPECULARLIGHTING(object);
+ if (((SPObjectClass *) (feSpecularLighting_parent_class))->order_changed)
+ (* ((SPObjectClass *) (feSpecularLighting_parent_class))->order_changed) (object, child, old_ref, new_ref);
+
+ sp_feSpecularLighting_children_modified(f);
+ object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
+}
+
+static void sp_feSpecularLighting_children_modified(SPFeSpecularLighting *sp_specularlighting)
+{
+ if (sp_specularlighting->renderer) {
+ sp_specularlighting->renderer->light_type = NR::NO_LIGHT;
+ if (SP_IS_FEDISTANTLIGHT(sp_specularlighting->children)) {
+ sp_specularlighting->renderer->light_type = NR::DISTANT_LIGHT;
+ sp_specularlighting->renderer->light.distant = SP_FEDISTANTLIGHT(sp_specularlighting->children);
+ }
+ if (SP_IS_FEPOINTLIGHT(sp_specularlighting->children)) {
+ sp_specularlighting->renderer->light_type = NR::POINT_LIGHT;
+ sp_specularlighting->renderer->light.point = SP_FEPOINTLIGHT(sp_specularlighting->children);
+ }
+ if (SP_IS_FESPOTLIGHT(sp_specularlighting->children)) {
+ sp_specularlighting->renderer->light_type = NR::SPOT_LIGHT;
+ sp_specularlighting->renderer->light.spot = SP_FESPOTLIGHT(sp_specularlighting->children);
+ }
+ }
+}
+
+static void sp_feSpecularLighting_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter) {
+ g_assert(primitive != NULL);
+ g_assert(filter != NULL);
+
+ SPFeSpecularLighting *sp_specularlighting = SP_FESPECULARLIGHTING(primitive);
+
+ int primitive_n = filter->add_primitive(NR::NR_FILTER_SPECULARLIGHTING);
+ NR::FilterPrimitive *nr_primitive = filter->get_primitive(primitive_n);
+ NR::FilterSpecularLighting *nr_specularlighting = dynamic_cast<NR::FilterSpecularLighting*>(nr_primitive);
+ g_assert(nr_specularlighting != NULL);
+
+ sp_specularlighting->renderer = nr_specularlighting;
+ sp_filter_primitive_renderer_common(primitive, nr_primitive);
+
+ nr_specularlighting->specularConstant = sp_specularlighting->specularConstant;
+ nr_specularlighting->specularExponent = sp_specularlighting->specularExponent;
+ nr_specularlighting->surfaceScale = sp_specularlighting->surfaceScale;
+ nr_specularlighting->lighting_color = sp_specularlighting->lighting_color;
+ //We assume there is at most one child
+ nr_specularlighting->light_type = NR::NO_LIGHT;
+ if (SP_IS_FEDISTANTLIGHT(primitive->children)) {
+ nr_specularlighting->light_type = NR::DISTANT_LIGHT;
+ nr_specularlighting->light.distant = SP_FEDISTANTLIGHT(primitive->children);
+ }
+ if (SP_IS_FEPOINTLIGHT(primitive->children)) {
+ nr_specularlighting->light_type = NR::POINT_LIGHT;
+ nr_specularlighting->light.point = SP_FEPOINTLIGHT(primitive->children);
+ }
+ if (SP_IS_FESPOTLIGHT(primitive->children)) {
+ nr_specularlighting->light_type = NR::SPOT_LIGHT;
+ nr_specularlighting->light.spot = SP_FESPOTLIGHT(primitive->children);
+ }
+
+ //nr_offset->set_dx(sp_offset->dx);
+ //nr_offset->set_dy(sp_offset->dy);
+}
+
/*
Local Variables: