This file is indexed.

/usr/include/fox-1.6/FXImage.h is in libfox-1.6-dev 1.6.49-2ubuntu1.

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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
/********************************************************************************
*                                                                               *
*                             I m a g e    O b j e c t                          *
*                                                                               *
*********************************************************************************
* Copyright (C) 1997,2006 by Jeroen van der Zijp.   All Rights Reserved.        *
*********************************************************************************
* This library is free software; you can redistribute it and/or                 *
* modify it under the terms of the GNU Lesser General Public                    *
* License as published by the Free Software Foundation; either                  *
* version 2.1 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             *
* Lesser General Public License for more details.                               *
*                                                                               *
* You should have received a copy of the GNU Lesser General Public              *
* License along with this library; if not, write to the Free Software           *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.    *
*********************************************************************************
* $Id: FXImage.h,v 1.64 2006/01/22 17:58:05 fox Exp $                           *
********************************************************************************/
#ifndef FXIMAGE_H
#define FXIMAGE_H

#ifndef FXDRAWABLE_H
#include "FXDrawable.h"
#endif

namespace FX {


/// Image rendering hints
enum {
  IMAGE_KEEP       = 0x00000001,      /// Keep pixel data in client
  IMAGE_OWNED      = 0x00000002,      /// Pixel data is owned by image
  IMAGE_DITHER     = 0,               /// Dither image to look better
  IMAGE_NEAREST    = 0x00000004,      /// Turn off dithering and map to nearest color
  IMAGE_OPAQUE     = 0x00000008,      /// Force opaque background
  IMAGE_ALPHACOLOR = 0x00000010,      /// Override transparancy color
  IMAGE_SHMI       = 0x00000020,      /// Using shared memory image
  IMAGE_SHMP       = 0x00000040,      /// Using shared memory pixmap
  IMAGE_ALPHAGUESS = 0x00000080       /// Guess transparency color from corners
  };


class FXDC;
class FXDCWindow;


/**
* An Image is a rectangular array of pixels.  It supports two representations
* of these pixels: a client-side pixel buffer which is stored as an array of
* FXColor, and a server-side pixmap which is stored in an organization directly
* compatible with the screen, for fast drawing onto the device.
* The server-side representation is not directly accessible from the current
* process as it lives in the process of the X Server or GDI.
*/
class FXAPI FXImage : public FXDrawable {
  FXDECLARE(FXImage)
  friend class FXDC;
  friend class FXDCWindow;
protected:
  FXColor *data;        // Pixel data
  FXuint   options;     // Options
private:
#ifdef WIN32
  virtual FXID GetDC() const;
  virtual int ReleaseDC(FXID) const;
#endif
#ifndef WIN32
  void render_true_32(void *xim,FXuchar *img);
  void render_true_24(void *xim,FXuchar *img);
  void render_true_16_fast(void *xim,FXuchar *img);
  void render_true_16_dither(void *xim,FXuchar *img);
  void render_true_8_fast(void *xim,FXuchar *img);
  void render_true_8_dither(void *xim,FXuchar *img);
  void render_true_N_fast(void *xim,FXuchar *img);
  void render_true_N_dither(void *xim,FXuchar *img);
  void render_index_4_fast(void *xim,FXuchar *img);
  void render_index_4_dither(void *xim,FXuchar *img);
  void render_index_8_fast(void *xim,FXuchar *img);
  void render_index_8_dither(void *xim,FXuchar *img);
  void render_index_N_fast(void *xim,FXuchar *img);
  void render_index_N_dither(void *xim,FXuchar *img);
  void render_gray_8_fast(void *xim,FXuchar *img);
  void render_gray_8_dither(void *xim,FXuchar *img);
  void render_gray_N_fast(void *xim,FXuchar *img);
  void render_gray_N_dither(void *xim,FXuchar *img);
  void render_mono_1_fast(void *xim,FXuchar *img);
  void render_mono_1_dither(void *xim,FXuchar *img);
#endif
protected:
  FXImage();
private:
  FXImage(const FXImage&);
  FXImage &operator=(const FXImage&);
public:

  /**
  * Create an image.  If a client-side pixel buffer has been specified,
  * the image does not own the pixel buffer unless the IMAGE_OWNED flag is
  * set.  If the IMAGE_OWNED flag is set but a NULL pixel buffer is
  * passed, a pixel buffer will be automatically created and will be owned
  * by the image. The flags IMAGE_SHMI and IMAGE_SHMP may be specified for
  * large images to instruct render() to use shared memory to communicate
  * with the server.
  */
  FXImage(FXApp* a,const FXColor *pix=NULL,FXuint opts=0,FXint w=1,FXint h=1);

  /// Change options
  void setOptions(FXuint opts);

  /// To get to the option flags
  FXuint getOptions() const { return options; }

  /**
  * Populate the image with new pixel data of the same size; it will assume
  * ownership of the pixel data if image IMAGE_OWNED option is passed.
  * The server-side representation of the image, if it exists, is not updated.
  * This can be done by calling render().
  */
  virtual void setData(FXColor *pix,FXuint opts=0);

  /**
  * Populate the image with new pixel data of a new size; it will assume ownership
  * of the pixel data if image IMAGE_OWNED option is passed.  The size of the server-
  * side representation of the image, if it exists, is adjusted but the contents are
  * not updated yet. This can be done by calling render().
  */
  virtual void setData(FXColor *pix,FXuint opts,FXint w,FXint h);

  /// Return pointer to the pixel data of the image
  FXColor* getData() const { return data; }

  /// Get pixel at x,y
  FXColor getPixel(FXint x,FXint y) const { return data[y*width+x]; }

  /// Change pixel at x,y
  void setPixel(FXint x,FXint y,FXColor color){ data[y*width+x]=color; }

  /// Scan the image and return false if fully opaque
  bool hasAlpha() const;

  /**
  * Create the server side pixmap, then call render() to fill it with the
  * pixel data from the client-side buffer.  After the server-side image has
  * been created, the client-side pixel buffer will be deleted unless
  * IMAGE_KEEP has been specified.  If the pixel buffer is not owned, i.e.
  * the flag IMAGE_OWNED is not set, the pixel buffer will not be deleted,
  * however the pixel buffer will be set to NULL.
  */
  virtual void create();

  /**
  * Detach the server side pixmap from the Image.
  * Afterwards, the Image is left as if it never had a server-side resources.
  */
  virtual void detach();

  /**
  * Destroy the server-side pixmap.
  * The client-side pixel buffer is not affected.
  */
  virtual void destroy();

  /**
  * Retrieves pixels from the server-side image.  For example, to make
  * screen snapshots, or to retrieve an image after it has been drawn
  * into by various means.
  */
  virtual void restore();

  /**
  * Render the server-side representation of the image from client-side
  * pixels.  Normally, IMAGE_DITHER is used which causes the server-side
  * representation to be rendered using a 16x16 ordered dither if necessary;
  * however if IMAGE_NEAREST is used a faster (but uglier-looking), nearest
  * neighbor algorithm is used.
  */
  virtual void render();

  /**
  * Release the client-side pixels buffer, free it if it was owned.
  * If it is not owned, the image just forgets about the buffer.
  */
  virtual void release();

  /**
  * Resize both client-side and server-side representations (if any) to the
  * given width and height.  The new representations typically contain garbage
  * after this operation and need to be re-filled.
  */
  virtual void resize(FXint w,FXint h);

  /**
  * Rescale pixels image to the specified width and height; this calls
  * resize() to adjust the client and server side representations.
  */
  virtual void scale(FXint w,FXint h,FXint quality=0);

  /// Mirror image horizontally and/or vertically
  virtual void mirror(bool horizontal,bool vertical);

  /**
  * Rotate image by degrees ccw; this calls resize() to adjust the client
  * and server side representations if necessary.
  */
  virtual void rotate(FXint degrees);

  /**
  * Crop image to given rectangle; this calls resize() to adjust the client
  * and server side representations.  The new image may be smaller or larger
  * than the old one; blank areas are filled with color. There must be at
  * least one pixel of overlap between the old and the new image.
  */
  virtual void crop(FXint x,FXint y,FXint w,FXint h,FXColor color=0);

  /// Fill image with uniform color
  virtual void fill(FXColor color);

  /// Fade image to uniform color
  virtual void fade(FXColor color,FXint factor=255);

  /**
  * Shear image horizontally; the number of pixels is equal to the
  * shear parameter times 256.  The area outside the image is filled
  * with transparent black, unless another color is specified.
  */
  virtual void xshear(FXint shear,FXColor clr=0);

  /**
  * Shear image vertically; the number of pixels is equal to the
  * shear parameter times 256.  The area outside the image is filled
  * with transparent black, unless another color is specified.
  */
  virtual void yshear(FXint shear,FXColor clr=0);

  /// Fill horizontal gradient
  virtual void hgradient(FXColor left,FXColor right);

  /// Fill vertical gradient
  virtual void vgradient(FXColor top,FXColor bottom);

  /// Fill with gradient
  virtual void gradient(FXColor topleft,FXColor topright,FXColor bottomleft,FXColor bottomright);

  /// Blend image over uniform color
  virtual void blend(FXColor color);

  /// Save object to stream
  virtual void save(FXStream& store) const;

  /// Load object from stream
  virtual void load(FXStream& store);

  /// Save pixel data only
  virtual bool savePixels(FXStream& store) const;

  /// Load pixel data only
  virtual bool loadPixels(FXStream& store);

  /// Destructor
  virtual ~FXImage();
  };

}

#endif