Move classes derived from SPObject to own directory.

A lot of header clean-up.

1 files changed, 238 insertions, 0 deletions

diff --git a/src/object/sp-gradient.h b/src/object/sp-gradient.h
new file mode 100644
index 000000000..9a0d5070f
--- /dev/null
+++ b/src/object/sp-gradient.h
@@ -0,0 +1,238 @@
+#ifndef SEEN_SP_GRADIENT_H
+#define SEEN_SP_GRADIENT_H
+/*
+ * Authors:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *   Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
+ *   Jon A. Cruz <jon@joncruz.org>
+ *
+ * Copyrigt  (C) 2010 Jon A. Cruz
+ * Copyright (C) 2007 Johan Engelen
+ * Copyright (C) 1999-2002 Lauris Kaplinski
+ * Copyright (C) 2000-2001 Ximian, Inc.
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include <2geom/affine.h>
+#include <cstddef>
+#include <glibmm/ustring.h>
+#include <sigc++/connection.h>
+#include <vector>
+
+#include "sp-paint-server.h"
+#include "sp-gradient-spread.h"
+#include "sp-gradient-units.h"
+#include "sp-gradient-vector.h"
+#include "sp-mesh-array.h"
+
+class SPGradientReference;
+class SPStop;
+
+#define SP_GRADIENT(obj) (dynamic_cast<SPGradient*>((SPObject*)obj))
+#define SP_IS_GRADIENT(obj) (dynamic_cast<const SPGradient*>((SPObject*)obj) != NULL)
+
+enum SPGradientType {
+    SP_GRADIENT_TYPE_UNKNOWN,
+    SP_GRADIENT_TYPE_LINEAR,
+    SP_GRADIENT_TYPE_RADIAL,
+    SP_GRADIENT_TYPE_MESH
+};
+
+enum SPGradientState {
+    SP_GRADIENT_STATE_UNKNOWN,
+    SP_GRADIENT_STATE_VECTOR,
+    SP_GRADIENT_STATE_PRIVATE
+};
+
+enum GrPointType {
+    POINT_LG_BEGIN = 0, //start enum at 0 (for indexing into gr_knot_shapes array for example)
+    POINT_LG_END,
+    POINT_LG_MID,
+    POINT_RG_CENTER,
+    POINT_RG_R1,
+    POINT_RG_R2,
+    POINT_RG_FOCUS,
+    POINT_RG_MID1,
+    POINT_RG_MID2,
+    POINT_MG_CORNER,
+    POINT_MG_HANDLE,
+    POINT_MG_TENSOR,
+    // insert new point types here.
+
+    POINT_G_INVALID
+};
+
+namespace Inkscape {
+
+enum PaintTarget {
+    FOR_FILL,
+    FOR_STROKE
+};
+
+/**
+ * Convenience function to access a common vector of all enum values.
+ */
+std::vector<PaintTarget> const &allPaintTargets();
+
+} // namespace Inkscape
+
+/**
+ * Gradient
+ *
+ * Implement spread, stops list
+ * \todo fixme: Implement more here (Lauris)
+ */
+class SPGradient : public SPPaintServer {
+public:
+	SPGradient();
+	virtual ~SPGradient();
+
+private:
+    /** gradientUnits attribute */
+    SPGradientUnits units;
+    unsigned int units_set : 1;
+public:
+
+    /** gradientTransform attribute */
+    Geom::Affine gradientTransform;
+    unsigned int gradientTransform_set : 1;
+
+private:
+    /** spreadMethod attribute */
+    SPGradientSpread spread;
+    unsigned int spread_set : 1;
+
+    /** Gradient stops */
+    unsigned int has_stops : 1;
+
+    /** Gradient patches */
+    unsigned int has_patches : 1;
+
+public:
+    /** Reference (href) */
+    SPGradientReference *ref;
+
+    /** State in Inkscape gradient system */
+    unsigned int state;
+    
+    /** Linear and Radial Gradients */
+
+    /** Composed vector */
+    SPGradientVector vector;
+
+    sigc::connection modified_connection;
+
+    bool hasStops() const;
+
+    SPStop* getFirstStop();
+    int getStopCount() const;
+
+    bool isEquivalent(SPGradient *b);
+    bool isAligned(SPGradient *b);
+
+    /** Mesh Gradients **************/
+
+    /** Composed array (for mesh gradients) */
+    SPMeshNodeArray array;
+    SPMeshNodeArray array_smoothed; // Smoothed version of array
+    
+    bool hasPatches() const;
+
+
+    /** All Gradients **************/
+    bool isUnitsSet() const;
+    SPGradientUnits getUnits() const;
+    void setUnits(SPGradientUnits units);
+
+
+    bool isSpreadSet() const;
+    SPGradientSpread getSpread() const;
+
+/**
+ * Returns private vector of given gradient (the gradient at the end of the href chain which has
+ * stops), optionally normalizing it.
+ *
+ * \pre SP_IS_GRADIENT(gradient).
+ * \pre There exists a gradient in the chain that has stops.
+ */
+    SPGradient *getVector(bool force_private = false);
+
+ /**
+ * Returns private mesh of given gradient (the gradient at the end of the href chain which has
+ * patches), optionally normalizing it.
+ */
+    SPGradient *getArray(bool force_private = false);
+
+    //static GType getType();
+
+    /** Forces vector to be built, if not present (i.e. changed) */
+    void ensureVector();
+
+    /** Forces array (mesh) to be built, if not present (i.e. changed) */
+    void ensureArray();
+
+    /**
+     * Set spread property of gradient and emit modified.
+     */
+    void setSpread(SPGradientSpread spread);
+
+    SPGradientSpread fetchSpread();
+    SPGradientUnits fetchUnits();
+
+    void setSwatch(bool swatch = true);
+
+    static void gradientRefModified(SPObject *href, unsigned int flags, SPGradient *gradient);
+    static void gradientRefChanged(SPObject *old_ref, SPObject *ref, SPGradient *gr);
+
+private:
+    bool invalidateVector();
+    bool invalidateArray();
+    void rebuildVector();
+    void rebuildArray();
+
+protected:
+    virtual void build(SPDocument *document, Inkscape::XML::Node *repr);
+    virtual void release();
+    virtual void modified(unsigned int flags);
+    virtual Inkscape::XML::Node* write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, unsigned int flags);
+
+    virtual void child_added(Inkscape::XML::Node *child, Inkscape::XML::Node *ref);
+    virtual void remove_child(Inkscape::XML::Node *child);
+
+    virtual void set(unsigned key, char const *value);
+};
+
+void
+sp_gradient_pattern_common_setup(cairo_pattern_t *cp,
+                                 SPGradient *gr,
+                                 Geom::OptRect const &bbox,
+                                 double opacity);
+
+/* Gradient repr methods */
+void sp_gradient_repr_write_vector(SPGradient *gr);
+void sp_gradient_repr_clear_vector(SPGradient *gr);
+
+cairo_pattern_t *sp_gradient_create_preview_pattern(SPGradient *gradient, double width);
+
+/** Transforms to/from gradient position space in given environment */
+Geom::Affine sp_gradient_get_g2d_matrix(SPGradient const *gr, Geom::Affine const &ctm,
+                                      Geom::Rect const &bbox);
+Geom::Affine sp_gradient_get_gs2d_matrix(SPGradient const *gr, Geom::Affine const &ctm,
+                                       Geom::Rect const &bbox);
+void sp_gradient_set_gs2d_matrix(SPGradient *gr, Geom::Affine const &ctm, Geom::Rect const &bbox,
+                                 Geom::Affine const &gs2d);
+
+
+#endif // SEEN_SP_GRADIENT_H
+
+/*
+  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:fileencoding=utf-8:textwidth=99 :