- float vmin, vmax;
- int marker_xs;
- int marker_xe;
- int marker_ys;
- int marker_ye;
- int lenstr;
- int height, width;
- int i, last;
- char TextScale[80];
- bool condition;
- int disp_val = 0;
- POINT mid_scr = get_centroid();
- float cur_value = get_value();
- RECT scrn_rect = get_location();
- UINT options = get_options();
-
- height = scrn_rect.top + scrn_rect.bottom;
- width = scrn_rect.left + scrn_rect.right;
-
- vmin = cur_value - half_width_units; // width units == needle travel
- vmax = cur_value + half_width_units; // or picture unit span.
-
- // Draw the basic markings for the scale...
-
- if( huds_vert(options) ) { // Vertical scale
-// drawOneLine( scrn_rect.left, // Bottom tick bar
-// scrn_rect.top,
-// width,
-// scrn_rect.top);
-
-// drawOneLine( scrn_rect.left, // Top tick bar
-// 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.
-
- if( huds_left(options) ) { // Calculate x marker offset
-// drawOneLine( marker_xe, scrn_rect.top,
-// marker_xe, marker_ye); // Cap right side
-
- marker_xs = marker_xe - scrn_rect.right / 3; // Adjust tick xs
- // Indicator carrot
-// 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);
-
- glBegin(GL_LINE_STRIP);
- glVertex2f( 10+marker_xe, mid_scr.y + scrn_rect.right / 6);
- glVertex2f( 10+marker_xs, mid_scr.y);
- glVertex2f( 10+marker_xe, mid_scr.y - scrn_rect.right / 6);
- glEnd();
- }
- if( huds_right(options) ) { // We'll default this for now.
-// drawOneLine( scrn_rect.left, scrn_rect.top,
-// scrn_rect.left, marker_ye ); // Cap left side
-
- 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);
- glBegin(GL_LINE_STRIP);
- glVertex2f( -10+scrn_rect.left, mid_scr.y + scrn_rect.right / 6);
- glVertex2f( -10+marker_xe, mid_scr.y );
- glVertex2f( -10+scrn_rect.left, mid_scr.y - scrn_rect.right / 6);
- glEnd();
- }
-
- // 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.
-
-// last = FloatToInt(vmax)+1;
-// i = FloatToInt(vmin);
- last = (int)vmax + 1;
- i = (int)vmin;
- for( ; i <last ; i++ )
- {
-
- condition = true;
- if( !modulo()) {
- if( i < min_val()) {
- condition = false;
- }
- }
-
- if( condition ) { // Show a tick if necessary
- // Calculate the location of this tick
- marker_ys = scrn_rect.top + FloatToInt(((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( div_min()) {
-// if( (i%div_min()) == 0) {
- if( !(i%(int)div_min())) {
- if((( marker_ys - 5) > scrn_rect.top ) &&
- (( marker_ys + 5) < (height))){
- if( huds_both(options) ) {
- 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();
- }
- else {
- if( huds_left(options) ) {
- drawOneLine( marker_xs + 4, marker_ys,
- marker_xe, marker_ys );
- }
- else {
- drawOneLine( marker_xs, marker_ys,
- marker_xe - 4, marker_ys );
- }
- }
- }
- }
- }
- if( div_max() ) {
- if( !(i%(int)div_max()) )
- {
- if(modulo()) {
- if( disp_val < 0) {
- while(disp_val < 0)
- disp_val += modulo();
-// } else {
-// disp_val = i % (int)modulo();
- }
- disp_val = i % (int) modulo(); // ?????????
- } else {
- disp_val = i;
- }
-
- lenstr = sprintf( TextScale, "%d",
- FloatToInt(disp_val * data_scaling()/*+.5*/));
-// (int)(disp_val * data_scaling() +.5));
- if(( (marker_ys - 8 ) > scrn_rect.top ) &&
- ( (marker_ys + 8) < (height))){
- 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);
- 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, GLUT_BITMAP_8_BY_13 );
- }
- }
- 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, GLUT_BITMAP_8_BY_13 );
- }
- else {
- textString( marker_xe + 3 * lenstr,
- marker_ys - 4,
- TextScale, GLUT_BITMAP_8_BY_13 );
- }
- }
- }
- } // Else read oriented right
- } // End if modulo division by major interval is zero
- } // End if major interval divisor non-zero
- } // End if condition
- } // End for range of i from vmin to vmax
- } // End if VERTICAL SCALE TYPE
- else { // Horizontal scale by default
-// commented
- // 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_xe = width;
-
-// 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
-// commented
-// 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);
-
-// commented
-// glBegin(GL_LINE_STRIP);
-// glVertex2f( mid_scr.x - scrn_rect.bottom / 4, scrn_rect.top);
-// glVertex2f( mid_scr.x, marker_ye);
-// glVertex2f( mid_scr.x + scrn_rect.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;
-
- // 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 );
- glBegin(GL_LINE_STRIP);
- glVertex2f( mid_scr.x + scrn_rect.bottom / 4,
- height);
- glVertex2f( mid_scr.x , marker_ys );
- glVertex2f( mid_scr.x - scrn_rect.bottom / 4,
- height);
- glEnd();
- }
-
-// 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 = FloatToInt(vmax)+1;
-// i = FloatToInt(vmin);
- 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()) {
- if( 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 + FloatToInt(((i - vmin) * factor()/*+ .5f*/));
- if( div_min()){
-// if( (i%(int)div_min()) == 0 ) {
- if( !(i%(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) ) {
- drawOneLine( marker_xs, scrn_rect.top,
- marker_xs, marker_ys - 4);
- drawOneLine( marker_xs, marker_ye + 4,
- 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
- drawOneLine( marker_xs, marker_ys,
- marker_xs, marker_ye - 4);
-// patch for angled deck heading
- if (i == 352) {
- glBegin(GL_POLYGON);
- glVertex2f( marker_xs, marker_ys+16);
- glVertex2f( marker_xs+2, marker_ys+13);
- glVertex2f( marker_xs, marker_ys+10);
- glVertex2f( marker_xs-2, marker_ys+13);
- glEnd();
- }
- }
- else {
- drawOneLine( marker_xs, marker_ys + 4,
- marker_xs, marker_ye);
- }
- }
- }
- }
- }
- // printf("<***> i = %d\n", i);
- if( div_max()) {
- // printf("i = %d\n", i);
-// if( (i%(int)div_max())==0 ) {
- 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;
- }
- // 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));
- FloatToInt(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, GLUT_BITMAP_8_BY_13 );
- }
- }
- else {
- // draw major ticks
- 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, GLUT_BITMAP_8_BY_13 );
- }
- else {
- textString( marker_xs - 4 * lenstr,
- scrn_rect.top,
- TextScale, GLUT_BITMAP_8_BY_13 );
- }
- }
- }
- }
- }
- }//if(condition)
- // printf("<****> i = %d\n", i);
- } //if(divmax)
- } //if(!modulo)
- } //for
-} //draw