/usr/include/simgear/canvas/elements/CanvasImage.hxx is in libsimgear-dev 3.4.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | // An image on the Canvas
//
// Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
#ifndef CANVAS_IMAGE_HXX_
#define CANVAS_IMAGE_HXX_
#include "CanvasElement.hxx"
#include <simgear/canvas/canvas_fwd.hxx>
#include <simgear/io/HTTPClient.hxx>
#include <simgear/misc/CSSBorder.hxx>
#include <simgear/misc/SVGpreserveAspectRatio.hxx>
#include <osg/Texture2D>
namespace simgear
{
namespace HTTP { class Request; }
namespace canvas
{
class Image:
public Element
{
public:
static const std::string TYPE_NAME;
static void staticInit();
/**
* @param node Property node containing settings for this image:
* rect/[left/right/top/bottom] Dimensions of source
* rect
* size[0-1] Dimensions of rectangle
* [x,y] Position of rectangle
*/
Image( const CanvasWeakPtr& canvas,
const SGPropertyNode_ptr& node,
const Style& parent_style = Style(),
Element* parent = 0 );
virtual ~Image();
virtual void update(double dt);
virtual void valueChanged(SGPropertyNode* child);
void setSrcCanvas(CanvasPtr canvas);
CanvasWeakPtr getSrcCanvas() const;
void setImage(osg::Image *img);
void setFill(const std::string& fill);
/**
* @see http://www.w3.org/TR/css3-background/#border-image-outset
*/
void setOutset(const std::string& outset);
/**
* @see
* http://www.w3.org/TR/SVG11/coords.html#PreserveAspectRatioAttribute
*/
void setPreserveAspectRatio(const std::string& scale);
/**
* Set image slice (aka. 9-scale)
*
* @see http://www.w3.org/TR/css3-background/#border-image-slice
*/
void setSlice(const std::string& slice);
/**
* Set image slice width.
*
* By default the size of the 9-scale grid is the same as specified
* with setSlice/"slice". Using this method allows setting values
* different to the size in the source image.
*
* @see http://www.w3.org/TR/css3-background/#border-image-width
*/
void setSliceWidth(const std::string& width);
const SGRect<float>& getRegion() const;
bool handleEvent(const EventPtr& event);
protected:
enum ImageAttributes
{
SRC_RECT = LAST_ATTRIBUTE << 1, // Source image rectangle
DEST_SIZE = SRC_RECT << 1, // Element size
SRC_CANVAS = DEST_SIZE << 1
};
virtual void childChanged(SGPropertyNode * child);
void setupDefaultDimensions();
SGRect<int> getTextureDimensions() const;
void setQuad(size_t index, const SGVec2f& tl, const SGVec2f& br);
void setQuadUV(size_t index, const SGVec2f& tl, const SGVec2f& br);
void handleImageLoadDone(HTTP::Request*);
bool loadImage( osgDB::ReaderWriter& reader,
const std::string& data,
HTTP::Request& request,
const std::string& type );
osg::ref_ptr<osg::Texture2D> _texture;
// TODO optionally forward events to canvas
CanvasWeakPtr _src_canvas;
HTTP::Request_ptr _http_request;
osg::ref_ptr<osg::Geometry> _geom;
osg::ref_ptr<osg::DrawArrays>_prim;
osg::ref_ptr<osg::Vec3Array> _vertices;
osg::ref_ptr<osg::Vec2Array> _texCoords;
osg::ref_ptr<osg::Vec4Array> _colors;
SGPropertyNode *_node_src_rect;
SGRect<float> _src_rect,
_region;
SVGpreserveAspectRatio _preserve_aspect_ratio;
CSSBorder _outset,
_slice,
_slice_width;
};
} // namespace canvas
} // namespace canvas
#endif /* CANVAS_IMAGE_HXX_ */
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