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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <drawinglayer/primitive2d/mediaprimitive2d.hxx>
21 : #include <basegfx/polygon/b2dpolygon.hxx>
22 : #include <basegfx/polygon/b2dpolygontools.hxx>
23 : #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
24 : #include <svtools/grfmgr.hxx>
25 : #include <drawinglayer/primitive2d/graphicprimitive2d.hxx>
26 : #include <drawinglayer/geometry/viewinformation2d.hxx>
27 : #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
28 : #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
29 : #include <drawinglayer/primitive2d/hiddengeometryprimitive2d.hxx>
30 :
31 : //////////////////////////////////////////////////////////////////////////////
32 :
33 : namespace drawinglayer
34 : {
35 : namespace primitive2d
36 : {
37 0 : Primitive2DSequence MediaPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
38 : {
39 0 : Primitive2DSequence xRetval(1);
40 :
41 : // create background object
42 0 : basegfx::B2DPolygon aBackgroundPolygon(basegfx::tools::createUnitPolygon());
43 0 : aBackgroundPolygon.transform(getTransform());
44 : const Primitive2DReference xRefBackground(
45 : new PolyPolygonColorPrimitive2D(
46 : basegfx::B2DPolyPolygon(aBackgroundPolygon),
47 0 : getBackgroundColor()));
48 0 : xRetval[0] = xRefBackground;
49 :
50 0 : if(GRAPHIC_BITMAP == maSnapshot.GetType() || GRAPHIC_GDIMETAFILE == maSnapshot.GetType())
51 : {
52 0 : const GraphicObject aGraphicObject(maSnapshot);
53 0 : const GraphicAttr aGraphicAttr;
54 0 : xRetval.realloc(2);
55 0 : xRetval[0] = xRefBackground;
56 0 : xRetval[1] = Primitive2DReference(new GraphicPrimitive2D(getTransform(), aGraphicObject, aGraphicAttr));
57 : }
58 :
59 0 : if(getDiscreteBorder())
60 : {
61 0 : const basegfx::B2DVector aDiscreteInLogic(rViewInformation.getInverseObjectToViewTransformation() *
62 0 : basegfx::B2DVector((double)getDiscreteBorder(), (double)getDiscreteBorder()));
63 0 : const double fDiscreteSize(aDiscreteInLogic.getX() + aDiscreteInLogic.getY());
64 :
65 0 : basegfx::B2DRange aSourceRange(0.0, 0.0, 1.0, 1.0);
66 0 : aSourceRange.transform(getTransform());
67 :
68 0 : basegfx::B2DRange aDestRange(aSourceRange);
69 0 : aDestRange.grow(-0.5 * fDiscreteSize);
70 :
71 0 : if(basegfx::fTools::equalZero(aDestRange.getWidth()) || basegfx::fTools::equalZero(aDestRange.getHeight()))
72 : {
73 : // shrunk primitive has no content (zero size in X or Y), nothing to display. Still create
74 : // invisible content for HitTest and BoundRect
75 0 : const Primitive2DReference xHiddenLines(new HiddenGeometryPrimitive2D(xRetval));
76 :
77 0 : xRetval = Primitive2DSequence(&xHiddenLines, 1);
78 : }
79 : else
80 : {
81 : // create transformation matrix from original range to shrunk range
82 0 : basegfx::B2DHomMatrix aTransform;
83 0 : aTransform.translate(-aSourceRange.getMinX(), -aSourceRange.getMinY());
84 0 : aTransform.scale(aDestRange.getWidth() / aSourceRange.getWidth(), aDestRange.getHeight() / aSourceRange.getHeight());
85 0 : aTransform.translate(aDestRange.getMinX(), aDestRange.getMinY());
86 :
87 : // add transform primitive
88 0 : const Primitive2DReference aScaled(new TransformPrimitive2D(aTransform, xRetval));
89 0 : xRetval = Primitive2DSequence(&aScaled, 1L);
90 0 : }
91 : }
92 :
93 0 : return xRetval;
94 : }
95 :
96 0 : MediaPrimitive2D::MediaPrimitive2D(
97 : const basegfx::B2DHomMatrix& rTransform,
98 : const rtl::OUString& rURL,
99 : const basegfx::BColor& rBackgroundColor,
100 : sal_uInt32 nDiscreteBorder,
101 : const Graphic &rSnapshot)
102 : : BufferedDecompositionPrimitive2D(),
103 : maTransform(rTransform),
104 : maURL(rURL),
105 : maBackgroundColor(rBackgroundColor),
106 : mnDiscreteBorder(nDiscreteBorder),
107 0 : maSnapshot(rSnapshot)
108 : {
109 0 : }
110 :
111 0 : bool MediaPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
112 : {
113 0 : if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
114 : {
115 0 : const MediaPrimitive2D& rCompare = (MediaPrimitive2D&)rPrimitive;
116 :
117 0 : return (getTransform() == rCompare.getTransform()
118 0 : && getURL() == rCompare.getURL()
119 0 : && getBackgroundColor() == rCompare.getBackgroundColor()
120 0 : && getDiscreteBorder() == rCompare.getDiscreteBorder());
121 : }
122 :
123 0 : return false;
124 : }
125 :
126 0 : basegfx::B2DRange MediaPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
127 : {
128 0 : basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0);
129 0 : aRetval.transform(getTransform());
130 :
131 0 : if(getDiscreteBorder())
132 : {
133 0 : const basegfx::B2DVector aDiscreteInLogic(rViewInformation.getInverseObjectToViewTransformation() *
134 0 : basegfx::B2DVector((double)getDiscreteBorder(), (double)getDiscreteBorder()));
135 0 : const double fDiscreteSize(aDiscreteInLogic.getX() + aDiscreteInLogic.getY());
136 :
137 0 : aRetval.grow(-0.5 * fDiscreteSize);
138 : }
139 :
140 0 : return aRetval;
141 : }
142 :
143 : // provide unique ID
144 0 : ImplPrimitrive2DIDBlock(MediaPrimitive2D, PRIMITIVE2D_ID_MEDIAPRIMITIVE2D)
145 :
146 : } // end of namespace primitive2d
147 : } // end of namespace drawinglayer
148 :
149 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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