github.com/rricharz.Tek4010
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Code Issues Releases Wiki Activity

added bright spot fading

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¨Rene Richarz
2019-03-31 15:42:01 +02:00
parent 8253cc4e2d
commit 74aa8beb9f
2 changed files with 37 additions and 4 deletions
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tek4010
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tek4010.c
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@@ -31,6 +31,15 @@ int noexit = 0;
int showCursor;
int isBrightSpot = 0;
struct tableEntry {
int x0;
int y0;
int x2;
int y2;
int linewidth;
double intensity;
} vectorTable;
int count = 0;
static int x0,y0,x2,y2,xh,xl,yh,yl,xy4014;
@@ -198,7 +207,9 @@ void tek4010_init(int argc, char* argv[])
printf("Parent: Cannot open output stream\n");
exit(1);
}
setbuf(putKeys,0);
setbuf(putKeys,0);
vectorTable.intensity = 0.0;
}
int tek4010_on_timer_event()
@@ -280,8 +291,6 @@ void tek4010_draw(cairo_t *cr, cairo_t *cr2, int width, int height, int first)
cairo_set_operator(cr2, CAIRO_OPERATOR_SOURCE);
cairo_paint(cr2);
cairo_set_operator(cr2, CAIRO_OPERATOR_OVER);
cairo_set_line_width (cr2, 3);
cairo_set_source_rgb(cr2, 0.5, 1, 0.5);
cairo_set_antialias(cr, CAIRO_ANTIALIAS_BEST);
cairo_set_line_width (cr, 1);
@@ -296,6 +305,16 @@ void tek4010_draw(cairo_t *cr, cairo_t *cr2, int width, int height, int first)
do {
ch = getInputChar();
// fade away last bright spot vector
if (vectorTable.intensity > 0.1) {
cairo_set_line_width (cr2, vectorTable.linewidth);
cairo_set_source_rgb(cr2, 0.25, 0.7, 0.25);
cairo_move_to(cr2, vectorTable.x0, WINDOW_HEIGHT - vectorTable.y0);
cairo_line_to(cr2, vectorTable.x2, WINDOW_HEIGHT - vectorTable.y2);
cairo_stroke (cr2);
vectorTable.intensity = 0.0;
}
if (ch == -1) {
if ((mode == 0) && showCursor) doCursor(cr2);
@@ -394,7 +413,10 @@ void tek4010_draw(cairo_t *cr, cairo_t *cr2, int width, int height, int first)
if (DEBUG) printf("tag=%d,***** Drawing vector to (%d,%d)\n",tag,x2,y2);
cairo_move_to(cr, x0, WINDOW_HEIGHT - y0);
cairo_line_to(cr, x2, WINDOW_HEIGHT - y2);
cairo_stroke (cr);
cairo_stroke (cr);
cairo_set_line_width (cr2, 3);
cairo_set_source_rgb(cr2, 0.5, 1, 0.5);
cairo_move_to(cr2, x0, WINDOW_HEIGHT - y0);
cairo_line_to(cr2, x2, WINDOW_HEIGHT - y2);
cairo_stroke (cr2);
@@ -409,6 +431,16 @@ void tek4010_draw(cairo_t *cr, cairo_t *cr2, int width, int height, int first)
if ((y2-y0) > 25) todo = 0;
if ((y0-y2) > 25) todo = 0;
// save bright spot vector for fading
vectorTable.x0 = x0;
vectorTable.x2 = x2;
vectorTable.y0 = y0;
vectorTable.y2 = y2;
vectorTable.linewidth = 2;
vectorTable.intensity = 0.8;
x0 = x2; // prepare for additional vectors
y0 = y2;
mode = 5;
@@ -497,6 +529,7 @@ void tek4010_draw(cairo_t *cr, cairo_t *cr2, int width, int height, int first)
s[1] = 0;
cairo_move_to(cr, x0, WINDOW_HEIGHT - y0 + 4);
cairo_show_text(cr, s);
cairo_set_source_rgb(cr2, 0.5, 1, 0.5);
cairo_move_to(cr2, x0, WINDOW_HEIGHT - y0 + 4);
cairo_show_text(cr2, s);
x0 += hDotsPerChar;