8654b733ea
Files correlati : ca1.exe Ricompilazione Demo : [ ] Commento : Evitato di uscire da programma di stampa anialitica dopo ogni stampa git-svn-id: svn://10.65.10.50/branches/R_10_00@22568 c028cbd2-c16b-5b4b-a496-9718f37d4682
290 lines
7.0 KiB
C++
Executable File
290 lines
7.0 KiB
C++
Executable File
#include <colors.h>
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#include <image.h>
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#include <xvtility.h>
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///////////////////////////////////////////////////////////
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// TImage
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///////////////////////////////////////////////////////////
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// Certified 99%
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// @doc EXTERNAL
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// @mfunc Setta l'immagine e le sue dimensioni
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//
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// @rdesc Ritorna l'immagine stessa
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XVT_IMAGE TImage::set(
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XVT_IMAGE i) // @parm Immagine da settare
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// @comm L'immagine precedente viene cancellata quando viene settata una nuova
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{
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if (_image)
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xvt_image_destroy(_image);
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_image = i;
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if (i)
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{
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_src.left = _src.top = 0;
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short w, h;
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xvt_image_get_dimensions(i, &w, &h);
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_src.right = w;
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_src.bottom = h;
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_dst = _src;
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}
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return _image;
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}
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// Certified 100%
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// @doc EXTERNAL
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bool TImage::build_filename(TFilename& file)
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{
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bool ok = false;
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if (file.ext()[0] != '\0')
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ok = file.custom_path();
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if (!ok)
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{
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const char* const exts[] = { "png", "gif", "jpg", "jpeg", "bmp", "tif", "tiff", NULL};
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for (int i = 0; !ok && exts[i]; i++)
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{
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file.ext(exts[i]);
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ok = file.custom_path();
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if (!ok)
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{
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TFilename res(file.name());
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res.insert("res/");
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ok = res.exist();
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if (ok)
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file = res;
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}
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}
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}
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return ok;
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}
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// @mfunc Legge l'immagine dal file
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XVT_IMAGE TImage::load(
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const char* n) // @parm Nome del file contenente l'immagine
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{
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TFilename f(n);
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XVT_IMAGE i = NULL;
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if (build_filename(f))
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{
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i = xvt_image_read(f);
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if (i != NULL)
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set(i);
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}
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return i;
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}
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// Certified 100%
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XVT_IMAGE TImage::load(int id)
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{
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return set(xvt_res_get_image(id));
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}
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// Certified 100%
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XVT_IMAGE TImage::load_icon(int id)
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{
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return set(xvt_res_get_icon(id));
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}
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// Certified 100%
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TImage::TImage(const char* n) : _image(NULL)
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{
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if (n && *n)
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load(n);
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}
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// Certified 100%
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TImage::TImage(int id, bool is_icon) : _image(NULL)
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{
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if (id > 0)
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{
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if (is_icon)
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load_icon(id);
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else
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load(id);
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}
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}
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// Certified 90%
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TImage::TImage(const TImage& im, short w, short h) : _image(NULL)
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{
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const XVT_IMAGE_FORMAT fmt = xvt_image_get_format(im._image);
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if (w < 0 || h < 0)
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{
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short iw, ih;
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xvt_image_get_dimensions(im._image, &iw, &ih);
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if (w < 0) w = iw;
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if (h < 0) h = ih;
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}
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set(xvt_image_create(fmt, w, h, 0L));
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if (ok())
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xvt_image_transfer(_image, (XVT_IMAGE)im._image, &_src, (RCT*)&im._src);
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}
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// Certified 90%
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TImage::TImage(short w, short h, XVT_IMAGE_FORMAT fmt) : _image(NULL)
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{
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set(xvt_image_create(fmt, w, h, 0L));
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}
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// Certified 100%
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TImage::~TImage()
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{
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if (_image != NULL)
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xvt_image_destroy(_image);
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}
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// Certified 100%
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// @doc EXTERNAL
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// @mfunc Permette di settare la posizione della figura
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void TImage::set_pos(
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int x, // @parm Coordinata x dell'immagine da settare
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int y) // @parm Coordinata y dell'immagine da settare
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// @comm Permette di aggiornare il mebro <p _dst> sommandogli i valori
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// passati con <p x> e <p y>
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{
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_dst = _src;
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xvt_rect_offset(&_dst, x, y);
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}
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// Certified 100%
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void TImage::draw(WINDOW w) const
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{
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xvt_dwin_draw_image(w, _image, (RCT*)&_dst, (RCT*)&_src);
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}
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// Certified 100%
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// @doc EXTERNAL
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// @mfunc Permette di gestire il disegno dell'immagine sullo schermo
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void TImage::draw(
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WINDOW win, // @parm Immagine da disegnare
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int x, // @parm Coordinata x in cui disegnare l'immagine
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int y) const // @parm Coordinata y in cui disegnare l'immagine
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// @parm RCT& | _src | Rettangolo contenente l'immagine da disegnare
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// @parm RCT& | _dst | Rettangolo in cui disegnare l'immagine
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// @syntax void draw(WINDOW w);
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// @syntax void draw(WINDOW w, int x, int y);
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// @syntax void draw(WINDOW w, const RCT& dst);
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// @syntax void draw(WINDOW w, const RCT& dst, const RCT& src);
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// @comm Nel caso utilizzo l'ultima sintassi e' possibile disegnare solo una parte
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// dell'immagine, precisamente delle dimensioni <p _dst> se tale parametro e'
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// minore di <p _pst>
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{
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RCT dst = _src;
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xvt_rect_offset(&dst, x, y);
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xvt_dwin_draw_image(win, _image, &dst, (RCT*)&_src);
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}
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// Certified 100%
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void TImage::draw(WINDOW win, const RCT& dst) const
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{
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xvt_dwin_draw_image(win, _image, &dst, &_src);
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}
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// Certified 100%
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void TImage::draw(WINDOW win, const RCT& dst, const RCT& src) const
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{
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xvt_dwin_draw_image(win, _image, &dst, &src);
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}
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// Certified 99%
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const RCT& TImage::draw(WINDOW win, const RCT& dst, char halign, char valign, char grow) const
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{
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const RCT& rct = xvtil_align_rect(_src, dst, halign, valign, grow);
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draw(win, rct);
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return rct;
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}
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// Certified 100%
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void TImage::set_clut(byte n, COLOR c)
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{
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if (xvt_image_get_format(_image) == XVT_IMAGE_CL8)
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xvt_image_set_clut(_image, n, c);
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}
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void TImage::set_pixel(int x, int y, COLOR col)
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{
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xvt_image_set_pixel(_image, x, y, col);
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}
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COLOR TImage::get_pixel(int x, int y) const
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{
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return xvt_image_get_pixel(_image, x, y);
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}
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// @mfunc Setta i colori dell'immagine in modo da renderla trasparente
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void TImage::convert_transparent_color(COLOR transparent)
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// @comm Legge nell'immagine i pixel uguali a quello in alto a sinistra e li setta
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// uguali allo sfondo delle maschere
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{
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if (_image == NULL)
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return; // Null image
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const COLOR trans = get_pixel(0,0);
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if (same_color(trans, transparent))
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return; // Nothing to do
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xvt_image_replace_color(_image, trans, transparent); // New "native" method
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}
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inline COLOR btncolor2btngray(COLOR color, bool use_btn)
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{
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static COLOR last_color = -1, last_gray = -1;
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if (color != last_color)
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{
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last_gray = grayed_color(last_color = color);
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if (use_btn)
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{
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// Prendo una sola componente del grigio: tanto sono identiche
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const int g = XVT_COLOR_GET_RED(last_gray);
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if (g > 128) // Chiaro
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last_gray = blend_colors(BTN_LIGHT_COLOR, BTN_BACK_COLOR, (g-128.0)/128.0);
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else // Scuro
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last_gray = blend_colors(BTN_BACK_COLOR, BTN_DARK_COLOR, g/128.0);
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}
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}
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return last_gray;
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}
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void TImage::fade_to_gray(bool use_btn_colors)
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// @comm Legge nell'immagine i pixel diversi da quello in alto a sinistra e li setta
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// in grigio
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{
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if (_image == NULL)
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return; // Null image
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const COLOR trans = get_pixel(0,0);
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btncolor2btngray(trans, use_btn_colors); // Reset color conversion
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if (xvt_image_get_format(_image) == XVT_IMAGE_CL8)
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{
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for (int index = xvt_image_get_ncolors(_image)-1; index >=0; index--)
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{
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const COLOR pixie = xvt_image_get_clut(_image, index);
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if (!same_color(pixie, trans))
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xvt_image_set_clut(_image, index, btncolor2btngray(pixie, use_btn_colors));
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}
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}
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else
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{
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short dx, dy; xvt_image_get_dimensions(_image, &dx, &dy);
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for (short y = 0; y < dy; y++) for (short x = 0; x < dx; x++)
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{
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const COLOR pixie = get_pixel(x, y);
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if (!same_color(pixie, trans))
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set_pixel(x, y, btncolor2btngray(pixie, use_btn_colors));
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}
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}
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}
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