#include "hud.hxx" #ifdef USE_HUD_TextList #define textString(x, y, text, digit) TextString(text, x , y ,digit) #else #define textString(x, y, text, digit) puDrawString(guiFnt, text, x, y) #endif gauge_instr::gauge_instr(const SGPropertyNode *node) : instr_scale( node->getIntValue("x"), node->getIntValue("y"), node->getIntValue("width"), node->getIntValue("height"), 0 /*load_fn*/, node->getIntValue("options"), node->getFloatValue("maxValue") - node->getFloatValue("minValue"), // Always shows span? node->getFloatValue("maxValue"), node->getFloatValue("minValue"), node->getFloatValue("disp_scaling"), node->getIntValue("major_divs"), node->getIntValue("minor_divs"), node->getIntValue("modulator"), // "rollover" 0, /* hud.cxx: static int dp_shoing = 0; */ // FIXME node->getBoolValue("working")) { SG_LOG(SG_INPUT, SG_INFO, "Done reading gauge instrument " << node->getStringValue("name", "[unnamed]")); string loadfn = node->getStringValue("loadfn"); // FIXME float (*load_fn)(void); if (loadfn=="anzg") { load_fn = get_anzg; } else if (loadfn=="heading") { load_fn = get_heading; } else if (loadfn=="aoa") { load_fn = get_aoa; } else if (loadfn=="climb") { load_fn = get_climb_rate; } else if (loadfn=="altitude") { load_fn = get_altitude; } else if (loadfn=="agl") { load_fn = get_agl; } else if (loadfn=="speed") { load_fn = get_speed; } else if (loadfn=="view_direction") { load_fn = get_view_direction; } else if (loadfn=="aileronval") { load_fn = get_aileronval; } else if (loadfn=="elevatorval") { load_fn = get_elevatorval; } else if (loadfn=="elevatortrimval") { load_fn = get_elev_trimval; } else if (loadfn=="rudderval") { load_fn = get_rudderval; } else if (loadfn=="throttleval") { load_fn = get_throttleval; } else load_fn = 0; set_data_source(load_fn); } // As implemented, draw only correctly draws a horizontal or vertical // scale. It should contain a variation that permits clock type displays. // Now is supports "tickless" displays such as control surface indicators. // This routine should be worked over before using. Current value would be // fetched and not used if not commented out. Clearly that is intollerable. void gauge_instr::draw(void) { float marker_xs, marker_xe; float marker_ys, marker_ye; int text_x, text_y; int width, height, bottom_4; int lenstr; int i; char TextScale[80]; bool condition; int disp_val = 0; float vmin = min_val(); float vmax = max_val(); POINT mid_scr = get_centroid(); float cur_value = get_value(); RECT scrn_rect = get_location(); UINT options = get_options(); width = scrn_rect.left + scrn_rect.right; height = scrn_rect.top + scrn_rect.bottom; bottom_4 = scrn_rect.bottom / 4; // Draw the basic markings for the scale... if (huds_vert(options)) { // Vertical scale // Bottom tick bar drawOneLine(scrn_rect.left, scrn_rect.top, width, scrn_rect.top); // Top tick bar drawOneLine( scrn_rect.left, height, width, height); marker_xs = scrn_rect.left; marker_xe = width; if (huds_left(options)) { // Read left, so line down right side drawOneLine(width, scrn_rect.top, width, height); marker_xs = marker_xe - scrn_rect.right / 3.0; // Adjust tick } if (huds_right(options)) { // Read right, so down left sides drawOneLine(scrn_rect.left, scrn_rect.top, scrn_rect.left, height); marker_xe = scrn_rect.left + scrn_rect.right / 3.0; // Adjust tick } // At this point marker x_start and x_end values are transposed. // To keep this from confusing things they are now interchanged. if (huds_both(options)) { marker_ye = marker_xs; marker_xs = marker_xe; marker_xe = marker_ye; } // Work through from bottom to top of scale. Calculating where to put // minor and major ticks. if (!huds_noticks(options)) { // If not no ticks...:) // Calculate x marker offsets int last = (int)vmax + 1; // FloatToInt(vmax)+1; i = (int)vmin; //FloatToInt(vmin); for (; i < last; i++) { // Calculate the location of this tick marker_ys = scrn_rect.top + (i - vmin) * factor()/* +.5f*/; // We compute marker_ys even though we don't know if we will use // either major or minor divisions. Simpler. if (div_min()) { // Minor tick marks if (!(i % (int)div_min())) { if (huds_left(options) && huds_right(options)) { drawOneLine(scrn_rect.left, marker_ys, marker_xs - 3, marker_ys); drawOneLine(marker_xe + 3, marker_ys, width, marker_ys); } else if (huds_left(options)) { drawOneLine(marker_xs + 3, marker_ys, marker_xe, marker_ys); } else { drawOneLine(marker_xs, marker_ys, marker_xe - 3, marker_ys); } } } // Now we work on the major divisions. Since these are also labeled // and no labels are drawn otherwise, we label inside this if // statement. if (div_max()) { // Major tick mark if (!(i % (int)div_max())) { if (huds_left(options) && huds_right(options)) { drawOneLine(scrn_rect.left, marker_ys, marker_xs, marker_ys); drawOneLine(marker_xe, marker_ys, width, marker_ys); } else { drawOneLine(marker_xs, marker_ys, marker_xe, marker_ys); } if (!huds_notext(options)) { disp_val = i; sprintf(TextScale, "%d", FloatToInt(disp_val * data_scaling()/*+.5*/)); lenstr = getStringWidth(TextScale); if (huds_left(options) && huds_right(options)) { text_x = mid_scr.x - lenstr/2 ; } else if (huds_left(options)) { text_x = FloatToInt(marker_xs - lenstr); } else { text_x = FloatToInt(marker_xe - lenstr); } // Now we know where to put the text. text_y = FloatToInt(marker_ys); textString(text_x, text_y, TextScale, 0); } } } } } // Now that the scale is drawn, we draw in the pointer(s). Since labels // have been drawn, text_x and text_y may be recycled. This is used // with the marker start stops to produce a pointer for each side reading text_y = scrn_rect.top + FloatToInt((cur_value - vmin) * factor() /*+.5f*/); // text_x = marker_xs - scrn_rect.left; if (huds_right(options)) { glBegin(GL_LINE_STRIP); glVertex2f(scrn_rect.left, text_y + 5); glVertex2f(FloatToInt(marker_xe), text_y); glVertex2f(scrn_rect.left, text_y - 5); glEnd(); } if (huds_left(options)) { glBegin(GL_LINE_STRIP); glVertex2f(width, text_y + 5); glVertex2f(FloatToInt(marker_xs), text_y); glVertex2f(width, text_y - 5); glEnd(); } // End if VERTICAL SCALE TYPE } else { // Horizontal scale by default // left tick bar drawOneLine(scrn_rect.left, scrn_rect.top, scrn_rect.left, height); // right tick bar drawOneLine(width, scrn_rect.top, width, height ); marker_ys = scrn_rect.top; // Starting point for marker_ye = height; // tick y location calcs marker_xs = scrn_rect.left + (cur_value - vmin) * factor() /*+ .5f*/; if (huds_top(options)) { // Bottom box line drawOneLine(scrn_rect.left, scrn_rect.top, width, scrn_rect.top); marker_ye = scrn_rect.top + scrn_rect.bottom / 2.0; // Tick point adjust // Bottom arrow glBegin(GL_LINE_STRIP); glVertex2f(marker_xs - bottom_4, scrn_rect.top); glVertex2f(marker_xs, marker_ye); glVertex2f(marker_xs + bottom_4, scrn_rect.top); glEnd(); } if (huds_bottom(options)) { // Top box line drawOneLine(scrn_rect.left, height, width, height); // Tick point adjust marker_ys = height - scrn_rect.bottom / 2.0; // Top arrow glBegin(GL_LINE_STRIP); glVertex2f(marker_xs + bottom_4, height); glVertex2f(marker_xs, marker_ys ); glVertex2f(marker_xs - bottom_4, height); glEnd(); } int last = (int)vmax + 1; //FloatToInt(vmax)+1; i = (int)vmin; //FloatToInt(vmin); for (; i scrn_rect.left) || ((marker_xs - 5) < (width))) { if (huds_both(options)) { drawOneLine(marker_xs, scrn_rect.top, marker_xs, marker_ys - 4); drawOneLine(marker_xs, marker_ye + 4, marker_xs, height); } else if (huds_top(options)) { drawOneLine(marker_xs, marker_ys, marker_xs, marker_ye - 4); } else { drawOneLine(marker_xs, marker_ys + 4, marker_xs, marker_ye); } } } } if (div_max()) { if (!(i % (int)div_max())) { if (modulo()) { if (disp_val < 0) { while (disp_val < 0) disp_val += modulo(); } disp_val = i % (int)modulo(); } else { disp_val = i; } sprintf(TextScale, "%d", FloatToInt(disp_val * data_scaling()/* +.5*/)); lenstr = getStringWidth(TextScale); // Draw major ticks and text only if far enough from the edge. if (((marker_xs - 10) > scrn_rect.left) && ((marker_xs + 10) < width)) { if (huds_both(options)) { drawOneLine(marker_xs, scrn_rect.top, marker_xs, marker_ys); drawOneLine(marker_xs, marker_ye, marker_xs, height); if (!huds_notext(options)) textString(marker_xs - lenstr, marker_ys + 4, TextScale, 0); } else { drawOneLine(marker_xs, marker_ys, marker_xs, marker_ye); if (!huds_notext(options)) { if (huds_top(options)) textString(marker_xs - lenstr, height - 10, TextScale, 0); else textString(marker_xs - lenstr, scrn_rect.top, TextScale, 0); } } } } } } } } }