#ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #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 FLTFNPTR get_func(const char *name); // FIXME hud_card::hud_card(const SGPropertyNode *node) : instr_scale( node->getIntValue("x"), node->getIntValue("y"), node->getIntValue("width"), node->getIntValue("height"), 0 /*data_source*/, // FIXME node->getIntValue("options"), node->getFloatValue("value_span"), node->getFloatValue("maxValue"), node->getFloatValue("minValue"), node->getFloatValue("disp_scaling"), node->getIntValue("major_divs"), node->getIntValue("minor_divs"), node->getIntValue("modulator"), node->getBoolValue("working", true)), val_span(node->getFloatValue("value_span")), // FIXME type(node->getStringValue("type")), draw_tick_bottom(node->getBoolValue("tick_bottom", false)), draw_tick_top(node->getBoolValue("tick_top", false)), draw_tick_right(node->getBoolValue("tick_right", false)), draw_tick_left(node->getBoolValue("tick_left", false)), draw_cap_bottom(node->getBoolValue("cap_bottom", false)), draw_cap_top(node->getBoolValue("cap_top", false)), draw_cap_right(node->getBoolValue("cap_right", false)), draw_cap_left(node->getBoolValue("cap_left", false)), marker_offset(node->getFloatValue("marker_offset", 0.0)), pointer(node->getBoolValue("enable_pointer", true)), pointer_type(node->getStringValue("pointer_type")), tick_type(node->getStringValue("tick_type")), // 'circle' or 'line' tick_length(node->getStringValue("tick_length")), // for variable length radius(node->getFloatValue("radius")), maxValue(node->getFloatValue("maxValue")), // FIXME dup minValue(node->getFloatValue("minValue")), // FIXME dup divisions(node->getIntValue("divisions")), zoom(node->getIntValue("zoom")), Maj_div(node->getIntValue("major_divs")), // FIXME dup Min_div(node->getIntValue("minor_divs")) // FIXME dup { SG_LOG(SG_INPUT, SG_INFO, "Done reading dial/tape instrument " << node->getStringValue("name", "[unnamed]")); set_data_source(get_func(node->getStringValue("loadfn"))); half_width_units = range_to_show() / 2.0; } void hud_card::draw(void) // (HUD_scale * pscale) { float vmin = 0.0, vmax = 0.0; float marker_xs; float marker_xe; float marker_ys; float marker_ye; int text_x = 0, text_y = 0; int lenstr; int height, width; int i, last; char TextScale[80]; bool condition; int disp_val = 0; int oddtype, k; //odd or even values for ticks POINT mid_scr = get_centroid(); float cur_value = get_value(); if (!((int)maxValue % 2)) oddtype = 0; //draw ticks at even values else oddtype = 1; //draw ticks at odd values RECT scrn_rect = get_location(); UINT options = get_options(); height = scrn_rect.top + scrn_rect.bottom; width = scrn_rect.left + scrn_rect.right; // if type=gauge then display dial if (type == "gauge") { float x, y; float i; y = (float)(scrn_rect.top); x = (float)(scrn_rect.left); glEnable(GL_POINT_SMOOTH); glPointSize(3.0); float incr = 360.0 / divisions; for (i = 0.0; i < 360.0; i += incr) { float i1 = i * SGD_DEGREES_TO_RADIANS; float x1 = x + radius * cos(i1); float y1 = y + radius * sin(i1); glBegin(GL_POINTS); glVertex2f(x1, y1); glEnd(); } glPointSize(1.0); glDisable(GL_POINT_SMOOTH); if (data_available()) { float offset = 90.0 * SGD_DEGREES_TO_RADIANS; float r1 = 10.0; //size of carrot float theta = get_value(); float theta1 = -theta * SGD_DEGREES_TO_RADIANS + offset; float x1 = x + radius * cos(theta1); float y1 = y + radius * sin(theta1); float x2 = x1 - r1 * cos(theta1 - 30.0 * SGD_DEGREES_TO_RADIANS); float y2 = y1 - r1 * sin(theta1 - 30.0 * SGD_DEGREES_TO_RADIANS); float x3 = x1 - r1 * cos(theta1 + 30.0 * SGD_DEGREES_TO_RADIANS); float y3 = y1 - r1 * sin(theta1 + 30.0 * SGD_DEGREES_TO_RADIANS); // draw carrot drawOneLine(x1, y1, x2, y2); drawOneLine(x1, y1, x3, y3); sprintf(TextScale,"%3.1f\n", theta); // draw value int l = abs((int)theta); if (l) { if (l < 10) textString(x, y, TextScale, 0); else if (l < 100) textString(x - 1.0, y, TextScale, 0); else if (l<360) textString(x - 2.0, y, TextScale, 0); } } //end type=gauge } else { // if its not explicitly a gauge default to tape if (pointer) { if (pointer_type == "moving") { vmin = minValue; vmax = maxValue; } else { // default to fixed vmin = cur_value - half_width_units; // width units == needle travel vmax = cur_value + half_width_units; // or picture unit span. text_x = mid_scr.x; text_y = mid_scr.y; } } else { vmin = cur_value - half_width_units; // width units == needle travel vmax = cur_value + half_width_units; // or picture unit span. text_x = mid_scr.x; text_y = mid_scr.y; } // Draw the basic markings for the scale... if (huds_vert(options)) { // Vertical scale // Bottom tick bar if (draw_tick_bottom) drawOneLine(scrn_rect.left, scrn_rect.top, width, scrn_rect.top); // Top tick bar if (draw_tick_top) drawOneLine(scrn_rect.left, height, width, height); marker_xs = scrn_rect.left; // x start marker_xe = width; // x extent marker_ye = height; // glBegin(GL_LINES); // Bottom tick bar // glVertex2f(marker_xs, scrn_rect.top); // glVertex2f(marker_xe, scrn_rect.top); // Top tick bar // glVertex2f(marker_xs, marker_ye); // glVertex2f(marker_xe, marker_ye); // glEnd(); // We do not use else in the following so that combining the // two options produces a "caged" display with double // carrots. The same is done for horizontal card indicators. // begin vertical/left //First draw capping lines and pointers if (huds_left(options)) { // Calculate x marker offset if (draw_cap_right) { // Cap right side drawOneLine(marker_xe, scrn_rect.top, marker_xe, marker_ye); } marker_xs = marker_xe - scrn_rect.right / 3; // Adjust tick xs // drawOneLine(marker_xs, mid_scr.y, // marker_xe, mid_scr.y + scrn_rect.right / 6); // drawOneLine(marker_xs, mid_scr.y, // marker_xe, mid_scr.y - scrn_rect.right / 6); // draw pointer if (pointer) { if (pointer_type == "moving") { if (zoom == 0) { //Code for Moving Type Pointer float ycentre, ypoint, xpoint; int range, wth; if (cur_value > maxValue) cur_value = maxValue; if (cur_value < minValue) cur_value = minValue; if (minValue >= 0.0) ycentre = scrn_rect.top; else if (maxValue + minValue == 0.0) ycentre = mid_scr.y; else if (oddtype == 1) ycentre = scrn_rect.top + (1.0 - minValue)*scrn_rect.bottom / (maxValue - minValue); else ycentre = scrn_rect.top + minValue * scrn_rect.bottom / (maxValue - minValue); range = scrn_rect.bottom; wth = scrn_rect.left + scrn_rect.right; if (oddtype == 1) ypoint = ycentre + ((cur_value - 1.0) * range / val_span); else ypoint = ycentre + (cur_value * range / val_span); xpoint = wth + marker_offset; drawOneLine(xpoint, ycentre, xpoint, ypoint); drawOneLine(xpoint, ypoint, xpoint - marker_offset, ypoint); drawOneLine(xpoint - marker_offset, ypoint, xpoint - 5.0, ypoint + 5.0); drawOneLine(xpoint - marker_offset, ypoint, xpoint - 5.0, ypoint - 5.0); } //zoom=0 } else { // default to fixed fixed(marker_offset + marker_xe, text_y + scrn_rect.right / 6, marker_offset + marker_xs, text_y, marker_offset + marker_xe, text_y - scrn_rect.right / 6); }//end pointer type } //if pointer } //end vertical/left // begin vertical/right //First draw capping lines and pointers if (huds_right(options)) { // We'll default this for now. if (draw_cap_left) { // Cap left side drawOneLine(scrn_rect.left, scrn_rect.top, scrn_rect.left, marker_ye); } //endif cap_left marker_xe = scrn_rect.left + scrn_rect.right / 3; // Adjust tick xe // Indicator carrot // drawOneLine(scrn_rect.left, mid_scr.y + scrn_rect.right / 6, // marker_xe, mid_scr.y); // drawOneLine(scrn_rect.left, mid_scr.y - scrn_rect.right / 6, // marker_xe, mid_scr.y); // draw pointer if (pointer) { if (pointer_type == "moving") { if (zoom == 0) { //type-fixed & zoom=1, behaviour to be defined // Code for Moving Type Pointer float ycentre, ypoint, xpoint; int range; if (cur_value > maxValue) cur_value = maxValue; if (cur_value < minValue) cur_value = minValue; if (minValue >= 0.0) ycentre = scrn_rect.top; else if (maxValue + minValue == 0.0) ycentre = mid_scr.y; else if (oddtype == 1) ycentre = scrn_rect.top + (1.0 - minValue)*scrn_rect.bottom / (maxValue - minValue); else ycentre = scrn_rect.top + minValue * scrn_rect.bottom / (maxValue - minValue); range = scrn_rect.bottom; if (oddtype == 1) ypoint = ycentre + ((cur_value - 1.0) * range / val_span); else ypoint = ycentre + (cur_value * range / val_span); xpoint = scrn_rect.left - marker_offset; drawOneLine(xpoint, ycentre, xpoint, ypoint); drawOneLine(xpoint, ypoint, xpoint + marker_offset, ypoint); drawOneLine(xpoint + marker_offset, ypoint, xpoint + 5.0, ypoint + 5.0); drawOneLine(xpoint + marker_offset, ypoint, xpoint + 5.0, ypoint - 5.0); } } else { // default to fixed fixed(-marker_offset + scrn_rect.left, text_y + scrn_rect.right / 6, -marker_offset + marker_xe, text_y,-marker_offset + scrn_rect.left, text_y - scrn_rect.right / 6); } } //if pointer } //end vertical/right // 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. // draw scale or tape // last = float_to_int(vmax)+1; // i = float_to_int(vmin); last = (int)vmax + 1; // N i = (int)vmin; // N if (zoom == 1) { zoomed_scale((int)vmin, (int)vmax); } else { for (; i < last; i++) { condition = true; if (!modulo() && i < min_val()) condition = false; if (condition) { // Show a tick if necessary // Calculate the location of this tick marker_ys = scrn_rect.top + ((i - vmin) * factor()/*+.5f*/); // marker_ys = scrn_rect.top + (int)((i - vmin) * factor() + .5); // Block calculation artifact from drawing ticks below min coordinate. // Calculation here accounts for text height. if ((marker_ys < (scrn_rect.top + 4)) || (marker_ys > (height - 4))) { // Magic numbers!!! continue; } if (oddtype == 1) k = i + 1; //enable ticks at odd values else k = i; // Minor ticks if (div_min()) { // if ((i % div_min()) == 0) { if (!(k % (int)div_min())) { if (((marker_ys - 5) > scrn_rect.top) && ((marker_ys + 5) < (height))) { //vertical/left OR vertical/right if (huds_both(options)) { if (tick_type == "line") { if (tick_length == "variable") { drawOneLine(scrn_rect.left, marker_ys, marker_xs, marker_ys); drawOneLine(marker_xe, marker_ys, width, marker_ys); } else { drawOneLine(scrn_rect.left, marker_ys, marker_xs, marker_ys); drawOneLine(marker_xe, marker_ys, width, marker_ys); } } else if (tick_type == "circle") { circles(scrn_rect.left,(float)marker_ys, 3.0); } else { // if neither line nor circle draw default as line drawOneLine(scrn_rect.left, marker_ys, marker_xs, marker_ys); drawOneLine(marker_xe, marker_ys, width, marker_ys); } // glBegin(GL_LINES); // glVertex2f(scrn_rect.left, marker_ys); // glVertex2f(marker_xs, marker_ys); // glVertex2f(marker_xe, marker_ys); // glVertex2f(scrn_rect.left + scrn_rect.right, marker_ys); // glEnd(); // anything other than huds_both } else { if (huds_left(options)) { if (tick_type == "line") { if (tick_length == "variable") { drawOneLine(marker_xs + 4, marker_ys, marker_xe, marker_ys); } else { drawOneLine(marker_xs, marker_ys, marker_xe, marker_ys); } } else if (tick_type == "circle") { circles((float)marker_xs + 4, (float)marker_ys, 3.0); } else { drawOneLine(marker_xs + 4, marker_ys, marker_xe, marker_ys); } } else { if (tick_type == "line") { if (tick_length == "variable") { drawOneLine(marker_xs, marker_ys, marker_xe - 4, marker_ys); } else { drawOneLine(marker_xs, marker_ys, marker_xe, marker_ys); } } else if (tick_type == "circle") { circles((float)marker_xe - 4, (float)marker_ys, 3.0); } else { drawOneLine(marker_xs, marker_ys, marker_xe - 4, marker_ys); } } } //end huds both } } //end draw minor ticks } //end minor ticks // Major ticks if (div_max()) { if (!(k % (int)div_max())) { if (modulo()) { disp_val = i % (int) modulo(); // ????????? if (disp_val < 0) { while (disp_val < 0) disp_val += modulo(); } } else { disp_val = i; } lenstr = sprintf(TextScale, "%d", float_to_int(disp_val * data_scaling()/*+.5*/)); // (int)(disp_val * data_scaling() +.5)); /* if (((marker_ys - 8) > scrn_rect.top) && ((marker_ys + 8) < (height))){ */ // huds_both if (huds_both(options)) { // drawOneLine(scrn_rect.left, marker_ys, // marker_xs, marker_ys); // drawOneLine(marker_xs, marker_ys, // scrn_rect.left + scrn_rect.right, // marker_ys); if (tick_type == "line") { glBegin(GL_LINE_STRIP); glVertex2f(scrn_rect.left, marker_ys); glVertex2f(marker_xs, marker_ys); glVertex2f(width, marker_ys); glEnd(); } else if (tick_type == "circle") { circles(scrn_rect.left, (float)marker_ys, 5.0); } else { glBegin(GL_LINE_STRIP); glVertex2f(scrn_rect.left, marker_ys); glVertex2f(marker_xs, marker_ys); glVertex2f(width, marker_ys); glEnd(); } if (!huds_notext(options)) textString (marker_xs + 2, marker_ys, TextScale, 0); } else { /* Changes are made to draw a circle when tick_type="circle" */ // anything other than huds_both if (tick_type == "line") drawOneLine(marker_xs, marker_ys, marker_xe, marker_ys); else if (tick_type == "circle") circles((float)marker_xs + 4, (float)marker_ys, 5.0); else drawOneLine(marker_xs, marker_ys, marker_xe, marker_ys); if (!huds_notext(options)) { if (huds_left(options)) { textString(marker_xs - 8 * lenstr - 2, marker_ys - 4, TextScale, 0); } else { textString(marker_xe + 3 * lenstr, marker_ys - 4, TextScale, 0); } //End if huds_left } //End if !huds_notext } //End if huds-both } // End if draw major ticks } // End if major ticks } // End condition } // End for } //end of zoom // End if VERTICAL SCALE TYPE (tape loop yet to be closed) } else { // Horizontal scale by default // left tick bar if (draw_tick_left) drawOneLine(scrn_rect.left, scrn_rect.top, scrn_rect.left, height); // right tick bar if (draw_tick_right) drawOneLine(width, scrn_rect.top, width, height); marker_ys = scrn_rect.top; // Starting point for marker_ye = height; // tick y location calcs marker_xe = width; marker_xs = scrn_rect.left + ((cur_value - vmin) * factor() /*+ .5f*/); // glBegin(GL_LINES); // left tick bar // glVertex2f(scrn_rect.left, scrn_rect.top); // glVertex2f(scrn_rect.left, marker_ye); // right tick bar // glVertex2f(marker_xe, scrn_rect.top); // glVertex2f(marker_xe, marker_ye); // glEnd(); if (huds_top(options)) { // Bottom box line if (draw_cap_bottom) drawOneLine(scrn_rect.left, scrn_rect.top, width, scrn_rect.top); // Tick point adjust marker_ye = scrn_rect.top + scrn_rect.bottom / 2; // Bottom arrow // drawOneLine(mid_scr.x, marker_ye, // mid_scr.x - scrn_rect.bottom / 4, scrn_rect.top); // drawOneLine(mid_scr.x, marker_ye, // mid_scr.x + scrn_rect.bottom / 4, scrn_rect.top); // draw pointer if (pointer) { if (pointer_type == "moving") { if (zoom == 0) { //Code for Moving Type Pointer // static float xcentre, xpoint, ypoint; // static int range; if (cur_value > maxValue) cur_value = maxValue; if (cur_value < minValue) cur_value = minValue; float xcentre = mid_scr.x; int range = scrn_rect.right; float xpoint = xcentre + (cur_value * range / val_span); float ypoint = scrn_rect.top - marker_offset; drawOneLine(xcentre, ypoint, xpoint, ypoint); drawOneLine(xpoint, ypoint, xpoint, ypoint + marker_offset); drawOneLine(xpoint, ypoint + marker_offset, xpoint + 5.0, ypoint + 5.0); drawOneLine(xpoint, ypoint + marker_offset, xpoint - 5.0, ypoint + 5.0); } } else { //default to fixed fixed(marker_xs - scrn_rect.bottom / 4, scrn_rect.top, marker_xs, marker_ye, marker_xs + scrn_rect.bottom / 4, scrn_rect.top); } } //if pointer } //End Horizontal scale/top if (huds_bottom(options)) { // Top box line if (draw_cap_top) drawOneLine(scrn_rect.left, height, width, height); // Tick point adjust marker_ys = height - scrn_rect.bottom / 2; // Top arrow // drawOneLine(mid_scr.x + scrn_rect.bottom / 4, // scrn_rect.top + scrn_rect.bottom, // mid_scr.x, marker_ys); // drawOneLine(mid_scr.x - scrn_rect.bottom / 4, // scrn_rect.top + scrn_rect.bottom, // mid_scr.x , marker_ys); // draw pointer if (pointer) { if (pointer_type == "moving") { if (zoom == 0) { //Code for Moving Type Pointer // static float xcentre, xpoint, ypoint; // static int range, hgt; if (cur_value > maxValue) cur_value = maxValue; if (cur_value < minValue) cur_value = minValue; float xcentre = mid_scr.x ; int range = scrn_rect.right; int hgt = scrn_rect.top + scrn_rect.bottom; float xpoint = xcentre + (cur_value * range / val_span); float ypoint = hgt + marker_offset; drawOneLine(xcentre, ypoint, xpoint, ypoint); drawOneLine(xpoint, ypoint, xpoint, ypoint - marker_offset); drawOneLine(xpoint, ypoint - marker_offset, xpoint + 5.0, ypoint - 5.0); drawOneLine(xpoint, ypoint - marker_offset, xpoint - 5.0, ypoint - 5.0); } } else { fixed(marker_xs + scrn_rect.bottom / 4, height, marker_xs, marker_ys, marker_xs - scrn_rect.bottom / 4, height); } } //if pointer } //end horizontal scale bottom // if ((options & HUDS_BOTTOM) == HUDS_BOTTOM) { // marker_xe = marker_ys; // marker_ys = marker_ye; // marker_ye = marker_xe; // } // printf("vmin = %d vmax = %d\n", (int)vmin, (int)vmax); // last = float_to_int(vmax)+1; // i = float_to_int(vmin); if (zoom == 1) { zoomed_scale((int)vmin,(int)vmax); } else { //default to zoom=0 last = (int)vmax + 1; i = (int)vmin; for (; i < last; i++) { // for (i = (int)vmin; i <= (int)vmax; i++) { // printf("<*> i = %d\n", i); condition = true; if (!modulo() && i < min_val()) condition = false; // printf("<**> i = %d\n", i); if (condition) { // marker_xs = scrn_rect.left + (int)((i - vmin) * factor() + .5); marker_xs = scrn_rect.left + (((i - vmin) * factor()/*+ .5f*/)); if (oddtype == 1) k = i + 1; //enable ticks at odd values else k = i; if (div_min()) { // if ((i % (int)div_min()) == 0) { //draw minor ticks if (!(k % (int)div_min())) { // draw in ticks only if they aren't too close to the edge. if (((marker_xs - 5) > scrn_rect.left) && ((marker_xs + 5)< (scrn_rect.left + scrn_rect.right))) { if (huds_both(options)) { if (tick_length == "variable") { drawOneLine(marker_xs, scrn_rect.top, marker_xs, marker_ys - 4); drawOneLine(marker_xs, marker_ye + 4, marker_xs, height); } else { drawOneLine(marker_xs, scrn_rect.top, marker_xs, marker_ys); drawOneLine(marker_xs, marker_ye, marker_xs, height); } // glBegin(GL_LINES); // glVertex2f(marker_xs, scrn_rect.top); // glVertex2f(marker_xs, marker_ys - 4); // glVertex2f(marker_xs, marker_ye + 4); // glVertex2f(marker_xs, scrn_rect.top + scrn_rect.bottom); // glEnd(); } else { if (huds_top(options)) { //draw minor ticks if (tick_length == "variable") drawOneLine(marker_xs, marker_ys, marker_xs, marker_ye - 4); else drawOneLine(marker_xs, marker_ys, marker_xs, marker_ye); } else if (tick_length == "variable") { drawOneLine(marker_xs, marker_ys + 4, marker_xs, marker_ye); } else { drawOneLine(marker_xs, marker_ys, marker_xs, marker_ye); } } } } //end draw minor ticks } //end minor ticks //major ticks if (div_max()) { // printf("i = %d\n", i); // if ((i % (int)div_max())==0) { // draw major ticks if (!(k % (int)div_max())) { if (modulo()) { disp_val = i % (int) modulo(); // ????????? if (disp_val < 0) { while (disp_val<0) disp_val += modulo(); } } else { disp_val = i; } // printf("disp_val = %d\n", disp_val); // printf("%d\n", (int)(disp_val * (double)data_scaling() + 0.5)); lenstr = sprintf(TextScale, "%d", // (int)(disp_val * data_scaling() +.5)); float_to_int(disp_val * data_scaling()/*+.5*/)); // Draw major ticks and text only if far enough from the edge. if (((marker_xs - 10)> scrn_rect.left) && ((marker_xs + 10) < (scrn_rect.left + scrn_rect.right))) { if (huds_both(options)) { // drawOneLine(marker_xs, scrn_rect.top, // marker_xs, marker_ys); // drawOneLine(marker_xs, marker_ye, // marker_xs, scrn_rect.top + scrn_rect.bottom); glBegin(GL_LINE_STRIP); glVertex2f(marker_xs, scrn_rect.top); glVertex2f(marker_xs, marker_ye); glVertex2f(marker_xs, height); glEnd(); if (!huds_notext(options)) { textString(marker_xs - 4 * 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 - 4 * lenstr, height - 10, TextScale, 0); } else { textString(marker_xs - 4 * lenstr, scrn_rect.top, TextScale, 0); } } } } } //end draw major ticks } //endif major ticks } //end condition } //end for } //end zoom } //end horizontal/vertical scale } // end of type tape } //draw void hud_card::circles(float x, float y, float size) { glEnable(GL_POINT_SMOOTH); glPointSize(size); glBegin(GL_POINTS); glVertex2f(x, y); glEnd(); glPointSize(1.0); glDisable(GL_POINT_SMOOTH); } void hud_card::fixed(float x1, float y1, float x2, float y2, float x3, float y3) { glBegin(GL_LINE_STRIP); glVertex2f(x1, y1); glVertex2f(x2, y2); glVertex2f(x3, y3); glEnd(); } void hud_card::zoomed_scale(int first, int last) { POINT mid_scr = get_centroid(); RECT scrn_rect = get_location(); UINT options = get_options(); char TextScale[80]; int data[80]; float x, y, w, h, bottom; float cur_value = get_value(); if (cur_value > maxValue) cur_value = maxValue; if (cur_value < minValue) cur_value = minValue; int a = 0; while (first <= last) { if ((first % (int)Maj_div) == 0) { data[a] = first; a++ ; } first++; } int centre = a / 2; if (huds_vert(options)) { x = scrn_rect.left; y = scrn_rect.top; w = scrn_rect.left + scrn_rect.right; h = scrn_rect.top + scrn_rect.bottom; bottom = scrn_rect.bottom; float xstart, yfirst, ycentre, ysecond; float hgt = bottom * 20.0 / 100.0; // 60% of height should be zoomed yfirst = mid_scr.y - hgt; ycentre = mid_scr.y; ysecond = mid_scr.y + hgt; float range = hgt * 2; int i; float factor = range / 10.0; float hgt1 = bottom * 30.0 / 100.0; int incrs = ((int)val_span - (Maj_div * 2)) / Maj_div ; int incr = incrs / 2; float factors = hgt1 / incr; // begin //this is for moving type pointer static float ycent, ypoint, xpoint; static int wth; ycent = mid_scr.y; wth = scrn_rect.left + scrn_rect.right; if (cur_value <= data[centre + 1]) if (cur_value > data[centre]) { ypoint = ycent + ((cur_value - data[centre]) * hgt / Maj_div); } if (cur_value >= data[centre - 1]) if (cur_value <= data[centre]) { ypoint = ycent - ((data[centre]-cur_value) * hgt / Maj_div); } if (cur_value < data[centre - 1]) if (cur_value >= minValue) { float diff = minValue - data[centre - 1]; float diff1 = cur_value - data[centre - 1]; float val = (diff1 * hgt1) / diff; ypoint = ycent - hgt - val; } if (cur_value > data[centre + 1]) if (cur_value <= maxValue) { float diff = maxValue - data[centre + 1]; float diff1 = cur_value - data[centre + 1]; float val = (diff1 * hgt1) / diff; ypoint = ycent + hgt + val; } if (huds_left(options)) { xstart = w; drawOneLine(xstart, ycentre, xstart - 5.0, ycentre); //centre tick sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling())); if (!huds_notext(options)) textString(x, ycentre, TextScale, 0); for (i = 1; i < 5; i++) { yfirst += factor; ycentre += factor; circles(xstart - 2.5, yfirst, 3.0); circles(xstart - 2.5, ycentre, 3.0); } yfirst = mid_scr.y - hgt; for (i = 0; i <= incr; i++) { drawOneLine(xstart, yfirst, xstart - 5.0, yfirst); drawOneLine(xstart, ysecond, xstart - 5.0, ysecond); sprintf(TextScale,"%3.0f\n",(float)(data[centre - i - 1] * data_scaling())); if (!huds_notext(options)) textString (x, yfirst, TextScale, 0); sprintf(TextScale,"%3.0f\n",(float)(data[centre + i + 1] * data_scaling())); if (!huds_notext(options)) textString (x, ysecond, TextScale, 0); yfirst -= factors; ysecond += factors; } //to draw moving type pointer for left option //begin xpoint = wth + 10.0; if (pointer_type == "moving") { drawOneLine(xpoint, ycent, xpoint, ypoint); drawOneLine(xpoint, ypoint, xpoint - 10.0, ypoint); drawOneLine(xpoint - 10.0, ypoint, xpoint - 5.0, ypoint + 5.0); drawOneLine(xpoint - 10.0, ypoint, xpoint - 5.0, ypoint - 5.0); } //end } else { //huds_right xstart = (x + w) / 2; drawOneLine(xstart, ycentre, xstart + 5.0, ycentre); //centre tick sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling())); if (!huds_notext(options)) textString(w, ycentre, TextScale, 0); for (i = 1; i < 5; i++) { yfirst += factor; ycentre += factor; circles(xstart + 2.5, yfirst, 3.0); circles(xstart + 2.5, ycentre, 3.0); } yfirst = mid_scr.y - hgt; for (i = 0; i <= incr; i++) { drawOneLine(xstart, yfirst, xstart + 5.0, yfirst); drawOneLine(xstart, ysecond, xstart + 5.0, ysecond); sprintf(TextScale,"%3.0f\n",(float)(data[centre - i - 1] * data_scaling())); if (!huds_notext(options)) textString(w, yfirst, TextScale, 0); sprintf(TextScale,"%3.0f\n",(float)(data[centre + i + 1] * data_scaling())); if (!huds_notext(options)) textString(w, ysecond, TextScale, 0); yfirst -= factors; ysecond += factors; } // to draw moving type pointer for right option //begin xpoint = scrn_rect.left; if (pointer_type == "moving") { drawOneLine(xpoint, ycent, xpoint, ypoint); drawOneLine(xpoint, ypoint, xpoint + 10.0, ypoint); drawOneLine(xpoint + 10.0, ypoint, xpoint + 5.0, ypoint + 5.0); drawOneLine(xpoint + 10.0, ypoint, xpoint + 5.0, ypoint - 5.0); } //end }//end huds_right /left //end of vertical scale } else { //horizontal scale x = scrn_rect.left; y = scrn_rect.top; w = scrn_rect.left + scrn_rect.right; h = scrn_rect.top + scrn_rect.bottom; bottom = scrn_rect.right; float ystart, xfirst, xcentre, xsecond; float hgt = bottom * 20.0 / 100.0; // 60% of height should be zoomed xfirst = mid_scr.x - hgt; xcentre = mid_scr.x; xsecond = mid_scr.x + hgt; float range = hgt * 2; int i; float factor = range / 10.0; float hgt1 = bottom * 30.0 / 100.0; int incrs = ((int)val_span - (Maj_div * 2)) / Maj_div ; int incr = incrs / 2; float factors = hgt1 / incr; //Code for Moving Type Pointer //begin static float xcent, xpoint, ypoint; xcent = mid_scr.x; if (cur_value <= data[centre + 1]) if (cur_value > data[centre]) { xpoint = xcent + ((cur_value - data[centre]) * hgt / Maj_div); } if (cur_value >= data[centre - 1]) if (cur_value <= data[centre]) { xpoint = xcent - ((data[centre]-cur_value) * hgt / Maj_div); } if (cur_value < data[centre - 1]) if (cur_value >= minValue) { float diff = minValue - data[centre - 1]; float diff1 = cur_value - data[centre - 1]; float val = (diff1 * hgt1) / diff; xpoint = xcent - hgt - val; } if (cur_value > data[centre + 1]) if (cur_value <= maxValue) { float diff = maxValue - data[centre + 1]; float diff1 = cur_value - data[centre + 1]; float val = (diff1 * hgt1) / diff; xpoint = xcent + hgt + val; } //end if (huds_top(options)) { ystart = h; drawOneLine(xcentre, ystart, xcentre, ystart - 5.0); //centre tick sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling())); if (!huds_notext(options)) textString (xcentre - 10.0, y, TextScale, 0); for (i = 1; i < 5; i++) { xfirst += factor; xcentre += factor; circles(xfirst, ystart - 2.5, 3.0); circles(xcentre, ystart - 2.5, 3.0); } xfirst = mid_scr.x - hgt; for (i = 0; i <= incr; i++) { drawOneLine(xfirst, ystart, xfirst, ystart - 5.0); drawOneLine(xsecond, ystart, xsecond, ystart - 5.0); sprintf(TextScale,"%3.0f\n",(float)(data[centre - i - 1] * data_scaling())); if (!huds_notext(options)) textString (xfirst - 10.0, y, TextScale, 0); sprintf(TextScale,"%3.0f\n",(float)(data[centre + i + 1] * data_scaling())); if (!huds_notext(options)) textString (xsecond - 10.0, y, TextScale, 0); xfirst -= factors; xsecond += factors; } //this is for moving pointer for top option //begin ypoint = scrn_rect.top + scrn_rect.bottom + 10.0; if (pointer_type == "moving") { drawOneLine(xcent, ypoint, xpoint, ypoint); drawOneLine(xpoint, ypoint, xpoint, ypoint - 10.0); drawOneLine(xpoint, ypoint - 10.0, xpoint + 5.0, ypoint - 5.0); drawOneLine(xpoint, ypoint - 10.0, xpoint - 5.0, ypoint - 5.0); } //end of top option } else { //else huds_bottom ystart = (y + h) / 2; //drawOneLine(xstart, yfirst, xstart - 5.0, yfirst); drawOneLine(xcentre, ystart, xcentre, ystart + 5.0); //centre tick sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling())); if (!huds_notext(options)) textString (xcentre - 10.0, h, TextScale, 0); for (i = 1; i < 5; i++) { xfirst += factor; xcentre += factor; circles(xfirst, ystart + 2.5, 3.0); circles(xcentre, ystart + 2.5, 3.0); } xfirst = mid_scr.x - hgt; for (i = 0; i <= incr; i++) { drawOneLine(xfirst, ystart, xfirst, ystart + 5.0); drawOneLine(xsecond, ystart, xsecond, ystart + 5.0); sprintf(TextScale,"%3.0f\n",(float)(data[centre - i - 1] * data_scaling())); if (!huds_notext(options)) textString (xfirst - 10.0, h, TextScale, 0); sprintf(TextScale,"%3.0f\n",(float)(data[centre + i + 1] * data_scaling())); if (!huds_notext(options)) textString (xsecond - 10.0, h, TextScale, 0); xfirst -= factors; xsecond += factors; } //this is for movimg pointer for bottom option //begin ypoint = scrn_rect.top - 10.0; if (pointer_type == "moving") { drawOneLine(xcent, ypoint, xpoint, ypoint); drawOneLine(xpoint, ypoint, xpoint, ypoint + 10.0); drawOneLine(xpoint, ypoint + 10.0, xpoint + 5.0, ypoint + 5.0); drawOneLine(xpoint, ypoint + 10.0, xpoint - 5.0, ypoint + 5.0); } }//end hud_top or hud_bottom } //end of horizontal/vertical scales }//end draw