70abac1b8b
Add Fl_Shared_Image class, with get() and release() methods. Update Fl_Help_View to use Fl_Shared_Image class. Update image demo to accept a filename, and to use the Fl_Shared_Image class. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@1714 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
//
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// "$Id: Fl_Image.H,v 1.5.2.3.2.6 2001/11/24 02:46:19 easysw Exp $"
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//
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// Image header file for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2001 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems to "fltk-bugs@fltk.org".
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//
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#ifndef Fl_Image_H
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#define Fl_Image_H
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# include "x.H"
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class Fl_Widget;
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struct Fl_Menu_Item;
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class FL_EXPORT Fl_Image {
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int w_, h_, d_, count_;
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const char * const *data_;
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protected:
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void w(int W) {w_ = W;}
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void h(int H) {h_ = H;}
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void d(int D) {d_ = D;}
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void data(const char * const *p, int c) {data_ = p; count_ = c;}
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void draw_empty(int X, int Y);
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public:
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int w() const {return w_;}
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int h() const {return h_;}
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int d() const {return d_;}
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int count() const {return count_;}
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const char * const *data() const {return data_;}
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Fl_Image(int W, int H, int D) {w_ = W; h_ = H; d_ = D; count_ = 0; data_ = 0;}
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virtual ~Fl_Image();
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virtual Fl_Image *copy(int W, int H);
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Fl_Image *copy() { return copy(w(), h()); }
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virtual void color_average(Fl_Color c, float i);
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void inactive() { color_average(FL_GRAY, .33f); }
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virtual void desaturate();
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virtual void label(Fl_Widget*w);
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virtual void label(Fl_Menu_Item*m);
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virtual void draw(int X, int Y, int W, int H, int cx=0, int cy=0);
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void draw(int X, int Y) {draw(X, Y, w(), h(), 0, 0);}
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};
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class FL_EXPORT Fl_RGB_Image : public Fl_Image {
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public:
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const uchar *array;
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int alloc_array; // Non-zero if array was allocated
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int ld;
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Fl_Offscreen id; // for internal use
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Fl_Bitmask mask; // for internal use (mask bitmap)
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Fl_RGB_Image(const uchar *bits, int W, int H, int D=3, int LD=0) :
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Fl_Image(W,H,D), array(bits), alloc_array(0), ld(LD), id(0), mask(0) {data(&((char *)array), 1);}
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virtual ~Fl_RGB_Image();
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virtual Fl_Image *copy(int W, int H);
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Fl_Image *copy() { return copy(w(), h()); }
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virtual void color_average(Fl_Color c, float i);
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virtual void desaturate();
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virtual void draw(int X, int Y, int W, int H, int cx=0, int cy=0);
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void draw(int X, int Y) {draw(X, Y, w(), h(), 0, 0);}
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virtual void label(Fl_Widget*w);
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virtual void label(Fl_Menu_Item*m);
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};
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#endif
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//
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// End of "$Id: Fl_Image.H,v 1.5.2.3.2.6 2001/11/24 02:46:19 easysw Exp $".
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//
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