void Flcc_HueBox::draw() { if (damage() & FL_DAMAGE_ALL) { draw_frame(); } int x1 = 0; int y1 = 0; int w1 = w(); int h1 = h(); box()->inset(x1,y1,w1,h1); if (damage() == FL_DAMAGE_VALUE) fl_push_clip(x1+px,y1+py,BUTTON_SIZE,BUTTON_SIZE); if(bg) bg->draw(x1,y1,w1,h1); if (damage() == FL_DAMAGE_VALUE) fl_pop_clip(); Fl_Color_Chooser* c = (Fl_Color_Chooser*)parent(); #ifdef CIRCLE int X = int(.5f*(cos(c->hue()*float(M_PI/3.0))*c->saturation()+1) * (w1-BUTTON_SIZE)); int Y = int(.5f*(1-sin(c->hue()*float(M_PI/3.0))*c->saturation()) * (h1-BUTTON_SIZE)); #else int X = int(c->hue()/6.0f*(w1-BUTTON_SIZE)); int Y = int((1-c->saturation())*(h1-BUTTON_SIZE)); #endif if (X < 0) X = 0; else if (X > w1-BUTTON_SIZE) X = w1-BUTTON_SIZE; if (Y < 0) Y = 0; else if (Y > h1-BUTTON_SIZE) Y = h1-BUTTON_SIZE; button_box()->draw(x1+X, y1+Y, BUTTON_SIZE, BUTTON_SIZE, button_color(), 0); px = X; py = Y; }
void Fl_Roller::draw() { if (damage()&(FL_DAMAGE_ALL|FL_DAMAGE_HIGHLIGHT)) draw_box(); int X=0; int Y=0; int W=w(); int H=h(); box()->inset(X,Y,W,H); if (W<=0 || H<=0) return; double s = step(); if (!s) s = (maximum()-minimum())/100; int offset = int(value()/s); const double ARC = 1.5; // 1/2 the number of radians visible const double delta = .2; // radians per knurl if (type()==HORIZONTAL) { // draw shaded ends of wheel: int h1 = W/4+1; // distance from end that shading starts fl_color(button_color()); fl_rectf(X+h1,Y,W-2*h1,H); for (int i=0; h1; i++) { fl_color((Fl_Color)(FL_GRAY-i-1)); int h2 = FL_GRAY-i-1 > FL_DARK3 ? 2*h1/3+1 : 0; fl_rectf(X+h2,Y,h1-h2,H); fl_rectf(X+W-h1,Y,h1-h2,H); h1 = h2; } if (active_r()) { // draw ridges: double junk; for (double y = -ARC+modf(offset*sin(ARC)/(W/2)/delta,&junk)*delta;; y += delta) { int y1 = int((sin(y)/sin(ARC)+1)*W/2); if (y1 <= 0) continue; else if (y1 >= W-1) break; fl_color(FL_DARK3); fl_line(X+y1,Y+1,X+y1,Y+H-1); if (y < 0) y1--; else y1++; fl_color(FL_LIGHT1);fl_line(X+y1,Y+1,X+y1,Y+H-1); } // draw edges: h1 = W/8+1; // distance from end the color inverts fl_color(FL_DARK2); fl_line(X+h1,Y+H-1,X+W-h1,Y+H-1); fl_color(FL_DARK3); fl_line(X,Y+H,X,Y); fl_line(X,Y,X+h1,Y); fl_line(X+W-h1,Y,X+W,Y); fl_color(FL_LIGHT2); fl_line(X+h1,Y,X+W-h1,Y); fl_line(X+W,Y,X+W,Y+H); fl_line(X+W,Y+H,X+W-h1,Y+H); fl_line(X+h1,Y+H,X,Y+H); } } // vertical one else { offset = (1-offset); // draw shaded ends of wheel: int h1 = H/4+1; // distance from end that shading starts fl_color(button_color()); fl_rectf(X,Y+h1,W,H-2*h1); for (int i=0; h1; i++) { fl_color((Fl_Color)(FL_GRAY-i-1)); int h2 = FL_GRAY-i-1 > FL_DARK3 ? 2*h1/3+1 : 0; fl_rectf(X,Y+h2,W,h1-h2); fl_rectf(X,Y+H-h1,W,h1-h2); h1 = h2; } if (active_r()) { // draw ridges: double junk; for (double y = -ARC+modf(offset*sin(ARC)/(H/2)/delta,&junk)*delta; ; y += delta) { int y1 = int((sin(y)/sin(ARC)+1)*H/2); if (y1 <= 0) continue; else if (y1 >= H-1) break; fl_color(FL_DARK3); fl_line(X+1,Y+y1,X+W-1,Y+y1); if (y < 0) y1--; else y1++; fl_color(FL_LIGHT1);fl_line(X+1,Y+y1,X+W-1,Y+y1); } // draw edges: h1 = H/8+1; // distance from end the color inverts fl_color(FL_DARK2); fl_line(X+W-1,Y+h1,X+W-1,Y+H-h1); fl_color(FL_DARK3); fl_line(X+W,Y,X,Y); fl_line(X,Y,X,Y+h1); fl_line(X,Y+H-h1,X,Y+H); fl_color(FL_LIGHT2); fl_line(X,Y+h1,X,Y+H-h1); fl_line(X,Y+H,X+W,Y+H); fl_line(X+W,Y+H,X+W,Y+H-h1); fl_line(X+W,Y+h1,X+W,Y); } } if (focused()) { focus_box()->draw(0,0,w(),h(), FL_BLACK, FL_INVISIBLE); } }