// // Device test program for the Fast Light Tool Kit (FLTK). // // Copyright 1998-2021 by Roman Kantor and others. // // This library is free software. Distribution and use rights are outlined in // the file "COPYING" which should have been included with this file. If this // file is missing or damaged, see the license at: // // https://www.fltk.org/COPYING.php // // Please see the following page on how to report bugs and issues: // // https://www.fltk.org/bugs.php // #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "pixmaps/porsche.xpm" #include "pixmaps/sorceress.xbm" class MyWidget: public Fl_Box{ protected: void draw() FL_OVERRIDE { Fl_Box::draw(); fl_color(FL_RED); fl_rectf(x()+5,y()+5,w()-10,h()-10); fl_push_clip(x()+6,y()+6,w()-12,h()-12); fl_color(FL_DARK_GREEN); fl_rectf(x()+5,y()+5,w()-10,h()-10); fl_pop_clip(); fl_color(FL_YELLOW); fl_rectf(x()+7,y()+7,w()-14,h()-14); fl_color(FL_BLUE); fl_rect(x()+8,y()+8,w()-16,h()-16); fl_push_clip(x()+25,y()+25,w()-50, h()-50); fl_color(FL_BLACK); fl_rect(x()+24,y()+24,w()-48,h()-48); fl_line(x()+27,y()+27,x()+w()-27,y()+h()-27); fl_line(x()+27,y()+h()-27,x()+w()-27,y()+27); //fl_rect(x()+30,y()+30,w()-60,h()-60); fl_pop_clip(); } public: MyWidget(int x, int y):Fl_Box(x,y,100,100, "Clipping and rect(f):\nYellow rect.framed\nby B-Y-G-R rect. 1 p.\nthick. Your printer may \nrender very thin lines\nsurrounding \"X\""){ align(FL_ALIGN_TOP); labelsize(10); } }; class MyWidget2: public Fl_Box { protected: void draw() FL_OVERRIDE { Fl_Box::draw(); int d; // fl_line_style(0); for(d=y()+5;d<48+y();d+=2){ fl_xyline(x()+5,d,x()+48); } fl_push_clip(x()+52,y()+5,45,43); for(d=y()+5;d<150+y();d+=3){ fl_line(x()+52,d,x()+92,d-40); } fl_pop_clip(); fl_line_style(FL_DASH); fl_xyline(x()+5,y()+55,x()+48); fl_line_style(FL_DOT); fl_xyline(x()+5,y()+58,x()+48); fl_line_style(FL_DASHDOT); fl_xyline(x()+5,y()+61,x()+48); fl_line_style(FL_DASHDOTDOT); fl_xyline(x()+5,y()+64,x()+48); fl_line_style(0,0,(char*)"\7\3\7\2"); fl_xyline(x()+5,y()+67,x()+48); fl_line_style(0); fl_line(x()+5,y()+72,x()+25,y()+95); fl_line(x()+8,y()+72,x()+28,y()+95,x()+31,y()+72); fl_color(FL_YELLOW); fl_polygon(x()+11, y()+72,x()+27,y()+91,x()+29,y()+72); fl_color(FL_RED); fl_loop(x()+11, y()+72,x()+27,y()+91,x()+29,y()+72); fl_color(FL_BLUE); //// fl_line_style(FL_SOLID, 6); fl_loop(x()+31, y()+12,x()+47,y()+31,x()+49,y()+12); fl_line_style(0); fl_color(200,0,200); fl_polygon(x()+35,y()+72,x()+33,y()+95,x()+48,y()+95,x()+43,y()+72); fl_color(FL_GREEN); fl_loop(x()+35,y()+72,x()+33,y()+95,x()+48,y()+95,x()+43,y()+72); fl_color(FL_BLUE); fl_yxline(x()+65,y()+63,y()+66); fl_color(FL_GREEN); fl_yxline(x()+66,y()+66,y()+63); fl_color(FL_BLUE); fl_rect(x()+80,y()+55,5,5); fl_color(FL_YELLOW); fl_rectf(x()+81,y()+56,3,3); fl_color(FL_BLACK); fl_point(x()+82,y()+57); fl_color(FL_BLUE); fl_rect(x()+56, y()+79, 24, 17); fl_color(FL_CYAN); fl_rectf(x()+57, y()+80, 22 , 15 ); fl_color(FL_RED); fl_arc(x()+57, y()+80, 22 ,15 ,40, 270); fl_color(FL_YELLOW); fl_pie(x()+58, y()+81, 20 ,13 ,40, 270); fl_line_style(0); fl_color(FL_BLACK); fl_point(x()+58,y()+58); fl_color(FL_RED); fl_yxline(x()+59,y()+58,y()+59); fl_color(FL_GREEN); fl_yxline(x()+60,y()+59,y()+58); fl_color(FL_BLACK); fl_xyline(x()+61,y()+58,x()+62); fl_color(FL_RED); fl_xyline(x()+62,y()+59,x()+61); fl_color(FL_GREEN); fl_yxline(x()+57,y()+58,y()+59,x()+58); fl_color(FL_BLUE); fl_xyline(x()+58,y()+60,x()+56,y()+58); fl_color(FL_RED); fl_xyline(x()+58,y()+61,x()+56,y()+63); fl_color(FL_GREEN); fl_yxline(x()+57,y()+63,y()+62,x()+58); fl_color(FL_BLUE); fl_line(x()+58,y()+63, x()+60, y()+65); fl_color(FL_BLACK); fl_line(x()+61,y()+65, x()+59, y()+63); fl_color(FL_BLACK); } public: MyWidget2(int x, int y):Fl_Box(x,y,100,100, "Integer primitives") { labelsize(10); align(FL_ALIGN_TOP); } }; class MyWidget3: public Fl_Box { protected: void draw() FL_OVERRIDE { Fl_Box::draw(); double d; // fl_line_style(0); fl_push_clip(x()+5,y()+5,45,43); for(d=y()+5;d<95+y();d+=1.63){ fl_begin_line(); fl_vertex(x()+5,d); fl_vertex(x()+48,d); fl_end_line(); } fl_pop_clip(); fl_push_clip(x()+52,y()+5,45,43); for(d=y()+5;d<150+y();d+=2.3052){ fl_begin_line(); fl_vertex(x()+52,d); fl_vertex(x()+92,d-43); fl_end_line(); } fl_pop_clip(); } public: MyWidget3(int x, int y):Fl_Box(x,y,100,100, "Sub-pixel drawing of\nlines 1.63 points apart\nOn the screen you\ncan see aliasing, the\nprinter should render\nthem properly") { labelsize(10); align(FL_ALIGN_TOP); } }; class MyWidget4: public Fl_Box{ protected: void draw() FL_OVERRIDE { Fl_Box::draw(); fl_push_matrix(); fl_translate(x(),y()); fl_scale(.75,.75); fl_line_style(FL_SOLID , 5); fl_begin_line(); fl_vertex(10, 160); fl_vertex(40, 160); fl_vertex(40, 190); fl_end_line(); fl_line_style(0); fl_color(FL_RED); fl_line_style(FL_SOLID | FL_CAP_FLAT |FL_JOIN_MITER , 5); fl_begin_line(); fl_vertex(10, 150); fl_vertex(50, 150); fl_vertex(50, 190); fl_end_line(); fl_line_style(0); fl_color(FL_GREEN); fl_line_style(FL_SOLID | FL_CAP_ROUND |FL_JOIN_ROUND , 5); fl_begin_line(); fl_vertex(10, 140); fl_vertex(60, 140); fl_vertex(60, 190); fl_end_line(); fl_line_style(0); fl_color(FL_BLUE); fl_line_style(FL_SOLID | FL_CAP_SQUARE |FL_JOIN_BEVEL , 5); fl_begin_line(); fl_vertex(10, 130); fl_vertex(70, 130); fl_vertex(70, 190); fl_end_line(); fl_line_style(0); fl_color(FL_BLACK); fl_line_style(FL_DASH , 5); fl_begin_line(); fl_vertex(10, 120); fl_vertex(80, 120); fl_vertex(80, 190); fl_end_line(); fl_line_style(0); fl_color(FL_RED); fl_line_style(FL_DASH |FL_CAP_FLAT , 5); fl_begin_line(); fl_vertex(10, 110); fl_vertex(90, 110); fl_vertex(90, 190); fl_end_line(); fl_line_style(0); fl_color(FL_GREEN); fl_line_style(FL_DASH |FL_CAP_ROUND , 5); fl_begin_line(); fl_vertex(10, 100); fl_vertex(100, 100); fl_vertex(100, 190); fl_end_line(); fl_line_style(0); fl_color(FL_BLUE); fl_line_style(FL_DASH |FL_CAP_SQUARE , 5); fl_begin_line(); fl_vertex(10, 90); fl_vertex(110, 90); fl_vertex(110, 190); fl_end_line(); fl_line_style(0); fl_color(FL_BLACK); fl_line_style(FL_DOT, 5); fl_begin_line(); fl_vertex(10, 80); fl_vertex(120, 80); fl_vertex(120, 190); fl_end_line(); fl_line_style(0); fl_color(FL_RED); fl_line_style(FL_DOT | FL_CAP_FLAT, 5); fl_begin_line(); fl_vertex(10, 70); fl_vertex(130, 70); fl_vertex(130, 190); fl_end_line(); fl_line_style(0); fl_color(FL_GREEN); fl_line_style(FL_DOT | FL_CAP_ROUND, 5); fl_begin_line(); fl_vertex(10, 60); fl_vertex(140, 60); fl_vertex(140, 190); fl_end_line(); fl_line_style(0); fl_color(FL_BLUE); fl_line_style(FL_DOT | FL_CAP_SQUARE, 5); fl_begin_line(); fl_vertex(10, 50); fl_vertex(150, 50); fl_vertex(150, 190); fl_end_line(); fl_line_style(0); fl_color(FL_BLACK); fl_line_style(FL_DASHDOT |FL_CAP_ROUND |FL_JOIN_ROUND , 5); fl_begin_line(); fl_vertex(10, 40); fl_vertex(160, 40); fl_vertex(160, 190); fl_end_line(); fl_line_style(0); fl_color(FL_RED); fl_line_style(FL_DASHDOTDOT |FL_CAP_SQUARE |FL_JOIN_BEVEL , 5); fl_begin_line(); fl_vertex(10, 30); fl_vertex(170, 30); fl_vertex(170, 190); fl_end_line(); fl_line_style(0); fl_color(FL_GREEN); fl_line_style(FL_DASHDOTDOT |FL_CAP_ROUND |FL_JOIN_ROUND , 5); fl_begin_line(); fl_vertex(10, 20); fl_vertex(180, 20); fl_vertex(180, 190); fl_end_line(); fl_line_style(0); fl_color(FL_BLUE); fl_line_style(0, 5, (char*)"\12\3\4\2\2\1"); fl_begin_line(); fl_vertex(10, 10); fl_vertex(190, 10); fl_vertex(190, 190); fl_end_line(); fl_line_style(0); fl_pop_matrix(); fl_color(FL_BLACK); } public: MyWidget4(int x, int y):Fl_Box(x,y+10,150,150, "Line styles"){ labelsize(10); align(FL_ALIGN_TOP); } }; class MyWidget5: public Fl_Box { protected: void draw() FL_OVERRIDE { Fl_Box::draw(); fl_push_matrix(); fl_translate(x(),y()); fl_push_matrix(); fl_mult_matrix(1,3,0,1,0,-20); fl_color(FL_GREEN); fl_begin_polygon(); fl_vertex(10,10); fl_vertex(100,-80); fl_vertex(100,-190); fl_end_polygon(); fl_color(FL_RED); fl_line_style(FL_DASHDOT, 7); fl_begin_loop(); fl_vertex(10,10); fl_vertex(100,-80); fl_vertex(100,-190); fl_end_loop(); fl_line_style(0); fl_color(FL_BLUE); fl_line_style(FL_SOLID, 3); fl_begin_loop(); fl_circle(60,-50,30); fl_end_loop(); fl_line_style(0); fl_pop_matrix(); fl_scale(1.8,1); fl_color(FL_YELLOW); fl_begin_polygon(); fl_arc(30,90,20,-45,200); fl_end_polygon(); fl_color(FL_BLACK); fl_line_style(FL_DASH, 3); fl_begin_line(); fl_arc(30,90,20,-45,200); fl_end_line(); fl_line_style(0); fl_translate(15,0); fl_scale(1.5,3); fl_begin_complex_polygon(); fl_vertex(30,70); fl_arc(45,55,10,200,90); fl_arc(55,45,8,-170,20); fl_vertex(60,40); fl_vertex(30,20); fl_vertex(40,5); fl_vertex(60,25); //fl_vertex(50,50); fl_curve(35,30,30,53,0,35,65,65); fl_gap(); fl_vertex(50,25); fl_vertex(40,10); fl_vertex(35,20); fl_end_complex_polygon(); fl_pop_matrix(); } public: MyWidget5(int x, int y):Fl_Box(x,y,230,250, "Complex (double) drawings:\nBlue ellipse may not be\ncorrectly transformed\ndue to non-orthogonal\ntransformation"){ labelsize(10); align(FL_ALIGN_TOP); } }; uchar *image; int width = 80; int height = 80; void make_image() { image = new uchar[4*width*height]; uchar *p = image; for (int y = 0; y < height; y++) { double Y = double(y)/(height-1); for (int x = 0; x < width; x++) { double X = double(x)/(width-1); *p++ = uchar(255*((1-X)*(1-Y))); // red in upper-left *p++ = uchar(255*((1-X)*Y)); // green in lower-left *p++ = uchar(255*(X*Y)); // blue in lower-right X -= 0.5; Y -= 0.5; int alpha = (int)(350 * sqrt(X * X + Y * Y)); if (alpha < 255) *p++ = uchar(alpha); // alpha transparency else *p++ = 255; Y += 0.5; } } } void close_tmp_win(Fl_Widget *win, void *data) { ((Fl_Shared_Image*)data)->release(); Fl::delete_widget(win); } Fl_Widget *target; const char *operation; void copy(Fl_Widget *, void *data) { if (strcmp(operation, "Fl_Image_Surface") == 0) { Fl_Image_Surface *rgb_surf; int W, H, decorated; if (target->as_window() && !target->parent()) { W = target->as_window()->decorated_w(); H = target->as_window()->decorated_h(); decorated = 1; } else { W = target->w(); H = target->h(); decorated = 0; } rgb_surf = new Fl_Image_Surface(W, H, 1); Fl_Surface_Device::push_current(rgb_surf); fl_color(FL_YELLOW);fl_rectf(0,0,W,H); if (decorated) rgb_surf->draw_decorated_window(target->as_window()); else rgb_surf->draw(target); Fl_Image *img = rgb_surf->image(); delete rgb_surf; Fl_Surface_Device::pop_current(); if (img) { Fl_Window* g2 = new Fl_Window(img->w()+10, img->h()+10, "Fl_Image_Surface"); g2->color(FL_YELLOW); Fl_Box *b = new Fl_Box(FL_NO_BOX,5,5,img->w(), img->h(),0); b->image(img); g2->end(); g2->callback(close_tmp_win, img); g2->show(); } return; } if (strcmp(operation, "Fl_Copy_Surface") == 0) { Fl_Copy_Surface *copy_surf; if (target->as_window() && !target->parent()) { copy_surf = new Fl_Copy_Surface(target->as_window()->decorated_w(), target->as_window()->decorated_h()); Fl_Surface_Device::push_current(copy_surf); copy_surf->draw_decorated_window(target->as_window(), 0, 0); } else { copy_surf = new Fl_Copy_Surface(target->w()+10, target->h()+20); Fl_Surface_Device::push_current(copy_surf); fl_color(FL_YELLOW);fl_rectf(0,0,copy_surf->w(), copy_surf->h()); copy_surf->draw(target, 5, 10); } delete copy_surf; Fl_Surface_Device::pop_current(); } if (strcmp(operation, "Fl_Printer") == 0 || strcmp(operation, "Fl_PostScript_File_Device") == 0) { Fl_Paged_Device *p; int err; char *err_message = NULL; if (strcmp(operation, "Fl_Printer") == 0) { p = new Fl_Printer(); err = p->begin_job(1, NULL, NULL, &err_message); } else { p = new Fl_PostScript_File_Device(); err = ((Fl_PostScript_File_Device*)p)->start_job(1); } if (!err) { p->begin_page(); if (target->as_window()) { int w, h; p->printable_rect(&w, &h); p->origin(w/2, h/2); p->print_window(target->as_window(), -target->w()/2, -target->h()/2); } else p->print_widget(target); p->end_page(); p->end_job(); } else if (err > 1 && err_message) {fl_alert("%s", err_message); delete[] err_message;} delete p; } if (strcmp(operation, "Fl_EPS_File_Surface") == 0) { Fl_Native_File_Chooser fnfc; fnfc.title("Save a .eps file"); fnfc.type(Fl_Native_File_Chooser::BROWSE_SAVE_FILE); fnfc.filter("EPS\t*.eps\n"); fnfc.options(Fl_Native_File_Chooser::SAVEAS_CONFIRM | Fl_Native_File_Chooser::USE_FILTER_EXT); if (!fnfc.show() ) { FILE *eps = fl_fopen(fnfc.filename(), "w"); if (eps) { int ww, wh; if (target->as_window()) { ww = target->as_window()->decorated_w(); wh = target->as_window()->decorated_h(); } else { ww = target->w(); wh = target->h(); } Fl_EPS_File_Surface p(ww, wh, eps); if (p.file()) { if (target->as_window()) p.draw_decorated_window(target->as_window()); else p.draw(target); } } } } if (strcmp(operation, "Fl_SVG_File_Surface") == 0) { Fl_Native_File_Chooser fnfc; fnfc.title("Save a .svg file"); fnfc.type(Fl_Native_File_Chooser::BROWSE_SAVE_FILE); fnfc.filter("SVG\t*.svg\n"); fnfc.options(Fl_Native_File_Chooser::SAVEAS_CONFIRM | Fl_Native_File_Chooser::USE_FILTER_EXT); if (!fnfc.show() ) { FILE *svg = fl_fopen(fnfc.filename(), "w"); if (svg) { int ww, wh; if (target->as_window()) { ww = target->as_window()->decorated_w(); wh = target->as_window()->decorated_h(); } else { ww = target->w(); wh = target->h(); } Fl_SVG_File_Surface surface(ww, wh, svg); if (surface.file()) { if (target->as_window()) surface.draw_decorated_window(target->as_window()); else surface.draw(target); if (surface.close()) fl_message("Error while writing to SVG file %s", fnfc.filename()); } } } } if (strcmp(operation, "fl_capture_window()") == 0) { Fl_Window *win = target->as_window() ? target->as_window() : target->window(); int X = target->as_window() ? 0 : target->x(); int Y = target->as_window() ? 0 : target->y(); Fl_RGB_Image *img = fl_capture_window(win, X, Y, target->w(), target->h()); if (img) { Fl_Window* g2 = new Fl_Window(img->w()+10, img->h()+10, "fl_capture_window()"); g2->color(FL_YELLOW); Fl_Box *b = new Fl_Box(FL_NO_BOX,5,5,img->w(), img->h(),0); b->image(img); g2->end(); g2->callback(close_tmp_win, img); g2->show(); } } } class My_Button:public Fl_Button { protected: void draw() FL_OVERRIDE { if (type() == FL_HIDDEN_BUTTON) return; Fl_Color col = value() ? selection_color() : color(); draw_box(value() ? (down_box()?down_box():fl_down(box())) : box(), col); fl_color(FL_WHITE); fl_line_style(FL_SOLID,5); fl_line(x()+15,y()+10,x()+w()-15,y()+h()-23); fl_line(x()+w()-15,y()+10,x()+15,y()+h()-23); fl_line_style(0); draw_label(); } public: My_Button(int x, int y, int w, int h, const char * label = 0):Fl_Button(x,y,w,h,label){} }; void target_cb(Fl_Widget* wid, void *data) { target = (Fl_Widget*)data; } void operation_cb(Fl_Widget* wid, void *data) { operation = wid->label(); } int main(int argc, char ** argv) { Fl::scheme("plastic"); Fl_Window * w2 = new Fl_Window(500,568,"Graphics test"); Fl_Group *c2 =new Fl_Group(3, 56, 494, 514 ); new MyWidget(10,140+16); new MyWidget2(110,80+16); new MyWidget3(220,140+16); new MyWidget4(330,70+16); new MyWidget5(140,270+16); make_image(); Fl_RGB_Image *rgb = new Fl_RGB_Image(image, width, height, 4); My_Button b_rgb(10,245+16,100,100,"RGB with alpha"); b_rgb.image(rgb); My_Button b_pixmap(10,345+16,100,100,"Pixmap"); Fl_Pixmap *pixmap = new Fl_Pixmap(porsche_xpm); b_pixmap.image(pixmap); My_Button b_bitmap(10,445+16,100,100,"Bitmap"); b_bitmap.labelcolor(FL_GREEN); b_bitmap.image(new Fl_Bitmap(sorceress_bits,sorceress_width,sorceress_height)); new Fl_Clock(360,230+16,120,120); Fl_Return_Button * ret = new Fl_Return_Button (360, 360+16, 120,30, "Return"); ret->deactivate(); Fl_Button but1(360, 390+16, 30, 30, "@->|"); but1.labelcolor(FL_DARK3); Fl_Button but2(390, 390+16, 30, 30, "@UpArrow"); but2.labelcolor(FL_DARK3); Fl_Button but3(420, 390+16, 30, 30, "@DnArrow"); but3.labelcolor(FL_DARK3); Fl_Button but4(450, 390+16, 30, 30, "@+"); but4.labelcolor(FL_DARK3); Fl_Button but5(360, 425+16, 120, 30, "Hello, World"); but5.labelfont(FL_BOLD|FL_ITALIC); but5.labeltype(FL_SHADOW_LABEL); but5.box(FL_ROUND_UP_BOX); Fl_Button but6(360, 460+16, 120, 30, "Plastic"); but6.box(FL_PLASTIC_UP_BOX); Fl_Group *group; { Fl_Group* o = new Fl_Group(360, 495+16, 120, 40); group=o; o->box(FL_UP_BOX); { Fl_Group* o = new Fl_Group(365, 500+16, 110, 30); o->box(FL_THIN_UP_FRAME); { Fl_Round_Button* o = new Fl_Round_Button(365, 500+16, 40, 30, "rad"); o->value(1); } { Fl_Check_Button* o = new Fl_Check_Button(410, 500+16, 60, 30, "check"); o->value(1); } o->end(); } o->end(); o->deactivate(); } Fl_Box tx(120,492+16,230,50,"Background is not printed because\nencapsulating group, which we are\n printing, has not set the box type"); tx.box(FL_SHADOW_BOX); tx.labelsize(12); tx.hide(); c2->end(); Fl_Radio_Round_Button *rb; Fl_Window *w3 = new Fl_Window(2,5,w2->w()-10,73); w3->box(FL_DOWN_BOX); Fl_Group *g1 = new Fl_Group(0,0,w3->w(),w3->h()); rb = new Fl_Radio_Round_Button(5,4,150,12, "Fl_Image_Surface"); rb->set(); rb->callback(operation_cb, NULL); operation = rb->label(); rb->labelsize(12); rb = new Fl_Radio_Round_Button(170,4,150,12, "Fl_Copy_Surface"); rb->callback(operation_cb, NULL); rb->labelsize(12); rb = new Fl_Radio_Round_Button(5,17,150,12, "Fl_Printer"); rb->callback(operation_cb, NULL); rb->labelsize(12); rb = new Fl_Radio_Round_Button(170,17,150,12, "Fl_PostScript_File_Device"); rb->callback(operation_cb, NULL); rb->labelsize(12); rb = new Fl_Radio_Round_Button(5,30,150,12, "Fl_EPS_File_Surface"); rb->callback(operation_cb, NULL); rb->labelsize(12); rb = new Fl_Radio_Round_Button(170,30,150,12, "Fl_SVG_File_Surface"); rb->callback(operation_cb, NULL); rb->labelsize(12); rb = new Fl_Radio_Round_Button(5,43,150,12, "fl_capture_window()"); rb->callback(operation_cb, NULL); rb->labelsize(12); g1->end(); Fl_Group *g2 = new Fl_Group(0,0,w3->w(),w3->h()); Fl_Box *box = new Fl_Box(FL_BORDER_BOX, 4, 55, 340, 16, NULL); box->color(FL_LIGHT3); rb = new Fl_Radio_Round_Button(5,57,140,12, "Decorated window"); rb->labelsize(12); rb->set(); rb->callback(target_cb, w2); target = w2; rb = new Fl_Radio_Round_Button(160,57,100,12, "Sub-window"); rb->labelsize(12); rb->callback(target_cb, w3); rb = new Fl_Radio_Round_Button(275,57,60,12, "Group"); rb->labelsize(12);rb->callback(target_cb, group); g2->end(); Fl_Button *b4 = new Fl_Button(380, (w3->h() - 25)/2, 100, 25, "GO"); b4->callback((Fl_Callback*)copy,NULL); w3->end(); w2->end(); Fl_RGB_Image *rgba_icon = new Fl_RGB_Image(pixmap); Fl_Window::default_icon(rgba_icon); // w2->icon(rgba_icon); delete rgba_icon; w2->show(argc, argv); Fl::run(); delete pixmap; delete b_bitmap.image(); delete rgb; return 0; }