357 lines
13 KiB
C++
357 lines
13 KiB
C++
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifdef HAVE_WINDOWS_H
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# include <windows.h>
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include <Aircraft/aircraft.hxx>
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#include <Debug/fg_debug.h>
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#include <Include/fg_constants.h>
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#include <Math/fg_random.h>
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#include <Math/mat3.h>
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#include <Math/polar3d.hxx>
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#include <Scenery/scenery.hxx>
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#include <Time/fg_timer.hxx>
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#include "hud.hxx"
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//============== Top of guage_instr class member definitions ==============
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guage_instr ::
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guage_instr( int x,
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int y,
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UINT width,
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UINT height,
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DBLFNPTR load_fn,
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UINT options,
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double disp_scale,
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double maxValue,
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double minValue,
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UINT major_divs,
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UINT minor_divs,
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int dp_showing,
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UINT modulus,
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bool working) :
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instr_scale( x, y, width, height,
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load_fn, options,
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(maxValue - minValue), // Always shows span?
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maxValue, minValue,
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disp_scale,
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major_divs, minor_divs,
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modulus, dp_showing,
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working)
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{
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}
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guage_instr ::
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~guage_instr()
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{
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}
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guage_instr ::
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guage_instr( const guage_instr & image):
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instr_scale( (instr_scale &) image)
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{
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}
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guage_instr & guage_instr ::
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operator = (const guage_instr & rhs )
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{
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if( !(this == &rhs)) {
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instr_scale::operator = (rhs);
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}
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return *this;
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}
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// As implemented, draw only correctly draws a horizontal or vertical
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// scale. It should contain a variation that permits clock type displays.
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// Now is supports "tickless" displays such as control surface indicators.
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// This routine should be worked over before using. Current value would be
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// fetched and not used if not commented out. Clearly that is intollerable.
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void guage_instr :: draw (void)
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{
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int marker_xs, marker_xe;
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int marker_ys, marker_ye;
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int text_x, text_y;
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register i;
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char TextScale[80];
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bool condition;
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int disp_val;
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double vmin = min_val();
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double vmax = max_val();
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POINT mid_scr = get_centroid();
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double cur_value = get_value();
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RECT scrn_rect = get_location();
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UINT options = get_options();
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// Draw the basic markings for the scale...
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if( options & HUDS_VERT ) { // Vertical scale
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drawOneLine( scrn_rect.left, // Bottom tick bar
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scrn_rect.top,
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scrn_rect.left + scrn_rect.right,
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scrn_rect.top);
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drawOneLine( scrn_rect.left, // Top tick bar
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scrn_rect.top + scrn_rect.bottom,
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scrn_rect.left + scrn_rect.right,
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scrn_rect.top + scrn_rect.bottom );
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marker_xs = scrn_rect.left;
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marker_xe = scrn_rect.left + scrn_rect.right;
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if( options & HUDS_LEFT ) { // Read left, so line down right side
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drawOneLine( scrn_rect.left + scrn_rect.right,
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scrn_rect.top,
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scrn_rect.left + scrn_rect.right,
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scrn_rect.top + scrn_rect.bottom);
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marker_xs = marker_xe - scrn_rect.right / 3; // Adjust tick xs
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}
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if( options & HUDS_RIGHT ) { // Read right, so down left sides
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drawOneLine( scrn_rect.left,
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scrn_rect.top,
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scrn_rect.left,
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scrn_rect.top + scrn_rect.bottom);
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marker_xe = scrn_rect.left + scrn_rect.right / 3; // Adjust tick xe
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}
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// At this point marker x_start and x_end values are transposed.
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// To keep this from confusing things they are now interchanged.
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if(( options & HUDS_BOTH) == HUDS_BOTH) {
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marker_ye = marker_xs;
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marker_xs = marker_xe;
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marker_xe = marker_ye;
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}
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// Work through from bottom to top of scale. Calculating where to put
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// minor and major ticks.
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if( !(options & HUDS_NOTICKS )) { // If not no ticks...:)
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// Calculate x marker offsets
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for( i = (int)vmin; i <= (int)vmax; i++ ) {
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// Calculate the location of this tick
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marker_ys = scrn_rect.top + (int)((i - vmin) * factor() + .5);
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// We compute marker_ys even though we don't know if we will use
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// either major or minor divisions. Simpler.
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if( div_min()) { // Minor tick marks
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if( (i%div_min()) == 0) {
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if((options & HUDS_LEFT) && (options && HUDS_RIGHT)) {
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drawOneLine( scrn_rect.left, marker_ys,
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marker_xs - 3, marker_ys );
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drawOneLine( marker_xe + 3, marker_ys,
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scrn_rect.left + scrn_rect.right, marker_ys );
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}
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else {
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if( options & HUDS_LEFT) {
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drawOneLine( marker_xs + 3, marker_ys, marker_xe, marker_ys );
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}
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else {
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drawOneLine( marker_xs, marker_ys, marker_xe - 3, marker_ys );
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}
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}
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}
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}
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// Now we work on the major divisions. Since these are also labeled
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// and no labels are drawn otherwise, we label inside this if
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// statement.
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if( div_max()) { // Major tick mark
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if( (i%div_max()) == 0 ) {
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if((options & HUDS_LEFT) && (options && HUDS_RIGHT)) {
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drawOneLine( scrn_rect.left, marker_ys,
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marker_xs, marker_ys );
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drawOneLine( marker_xe, marker_ys,
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scrn_rect.left + scrn_rect.right, marker_ys );
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}
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else {
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drawOneLine( marker_xs, marker_ys, marker_xe, marker_ys );
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}
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if( !(options & HUDS_NOTEXT)) {
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disp_val = i;
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sprintf( TextScale, "%d",disp_val * (int)(data_scaling() +.5));
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if((options & HUDS_LEFT) && (options && HUDS_RIGHT)) {
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text_x = mid_scr.x - 2 - ((3 * strlen( TextScale ))>>1);
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}
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else {
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if( options & HUDS_LEFT ) {
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text_x = marker_xs - 2 - 3 * strlen( TextScale);
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}
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else {
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text_x = marker_xe + 10 - strlen( TextScale );
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}
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}
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// Now we know where to put the text.
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text_y = marker_ys;
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textString( text_x, text_y, TextScale, GLUT_BITMAP_8_BY_13 );
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}
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}
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} //
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} //
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} //
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// Now that the scale is drawn, we draw in the pointer(s). Since labels
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// have been drawn, text_x and text_y may be recycled. This is used
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// with the marker start stops to produce a pointer for each side reading
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text_y = scrn_rect.top + (int)((cur_value - vmin) * factor() + .5);
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// text_x = marker_xs - scrn_rect.left;
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if( options & HUDS_RIGHT ) {
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drawOneLine(scrn_rect.left, text_y + 5,
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marker_xe, text_y);
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drawOneLine(scrn_rect.left, text_y - 5,
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marker_xe, text_y);
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}
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if( options & HUDS_LEFT ) {
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drawOneLine(scrn_rect.left + scrn_rect.right, text_y + 5,
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marker_xs, text_y);
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drawOneLine(scrn_rect.left + scrn_rect.right, text_y - 5,
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marker_xs, text_y);
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}
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} // End if VERTICAL SCALE TYPE
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else { // Horizontal scale by default
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drawOneLine( scrn_rect.left, // left tick bar
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scrn_rect.top,
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scrn_rect.left,
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scrn_rect.top + scrn_rect.bottom);
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drawOneLine( scrn_rect.left + scrn_rect.right, // right tick bar
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scrn_rect.top,
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scrn_rect.left + scrn_rect.right,
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scrn_rect.top + scrn_rect.bottom );
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marker_ys = scrn_rect.top; // Starting point for
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marker_ye = scrn_rect.top + scrn_rect.bottom; // tick y location calcs
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marker_xs = scrn_rect.left + (int)((cur_value - vmin) * factor() + .5);
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if( options & HUDS_TOP ) {
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drawOneLine( scrn_rect.left,
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scrn_rect.top,
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scrn_rect.left + scrn_rect.right,
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scrn_rect.top); // Bottom box line
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marker_ye = scrn_rect.top + scrn_rect.bottom / 2; // Tick point adjust
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// Bottom arrow
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drawOneLine( marker_xs, marker_ye,
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marker_xs - scrn_rect.bottom / 4, scrn_rect.top);
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drawOneLine( marker_xs, marker_ye,
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marker_xs + scrn_rect.bottom / 4, scrn_rect.top);
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}
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if( options & HUDS_BOTTOM) {
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drawOneLine( scrn_rect.left,
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scrn_rect.top + scrn_rect.bottom,
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scrn_rect.left + scrn_rect.right,
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scrn_rect.top + scrn_rect.bottom); // Top box line
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// Tick point adjust
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marker_ys = scrn_rect.top +
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scrn_rect.bottom - scrn_rect.bottom / 2;
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// Top arrow
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drawOneLine( marker_xs + scrn_rect.bottom / 4,
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scrn_rect.top + scrn_rect.bottom,
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marker_xs,
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marker_ys );
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drawOneLine( marker_xs - scrn_rect.bottom / 4,
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scrn_rect.top + scrn_rect.bottom,
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marker_xs ,
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marker_ys );
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}
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for( i = (int)vmin; i <= (int)vmax; i++ ) {
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condition = true;
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if( !modulo()) {
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if( i < min_val()) {
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condition = false;
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}
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}
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if( condition ) {
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marker_xs = scrn_rect.left + (int)((i - vmin) * factor() + .5);
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if( div_min()){
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if( (i%(int)div_min()) == 0 ) {
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// draw in ticks only if they aren't too close to the edge.
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if((( marker_xs + 5) > scrn_rect.left ) ||
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(( marker_xs - 5 )< (scrn_rect.left + scrn_rect.right))){
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if( (options & HUDS_BOTH) == HUDS_BOTH ) {
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drawOneLine( marker_xs, scrn_rect.top,
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marker_xs, marker_ys - 4);
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drawOneLine( marker_xs, marker_ye + 4,
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marker_xs, scrn_rect.top + scrn_rect.bottom);
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}
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else {
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if( options & HUDS_TOP) {
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drawOneLine( marker_xs, marker_ys,
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marker_xs, marker_ye - 4);
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}
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else {
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drawOneLine( marker_xs, marker_ys + 4,
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marker_xs, marker_ye);
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}
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}
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}
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}
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}
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if( div_max()) {
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if( (i%(int)div_max())==0 ) {
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if(modulo()) {
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if( disp_val < 0) {
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disp_val += modulo();
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}
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else {
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disp_val = i % modulo();
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}
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}
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else {
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disp_val = i;
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}
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sprintf( TextScale, "%d", (int)(disp_val * data_scaling() +.5));
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// Draw major ticks and text only if far enough from the edge.
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if(( (marker_xs - 10)> scrn_rect.left ) &&
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( (marker_xs + 10) < (scrn_rect.left + scrn_rect.right))){
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if( (options & HUDS_BOTH) == HUDS_BOTH) {
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drawOneLine( marker_xs, scrn_rect.top,
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marker_xs, marker_ys);
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drawOneLine( marker_xs, marker_ye,
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marker_xs, scrn_rect.top + scrn_rect.bottom);
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if( !(options & HUDS_NOTEXT)) {
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textString ( marker_xs - 4 * strlen(TextScale),
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marker_ys + 4,
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TextScale, GLUT_BITMAP_8_BY_13 );
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}
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}
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else {
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drawOneLine( marker_xs, marker_ys,
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marker_xs, marker_ye );
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if( !(options & HUDS_NOTEXT)) {
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if( options & HUDS_TOP ) {
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textString ( marker_xs - 4 * strlen(TextScale),
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scrn_rect.top + scrn_rect.bottom - 10,
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TextScale, GLUT_BITMAP_8_BY_13 );
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}
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else {
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textString( marker_xs - 4 * strlen(TextScale),
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scrn_rect.top,
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TextScale, GLUT_BITMAP_8_BY_13 );
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}
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}
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}
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}
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}
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}
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}
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}
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}
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}
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