/**********************************************************************
* mark_outline
*
* Make a mark on the edges window at a particular location.
**********************************************************************/
void mark_outline(EDGEPT *edgept) { /* Start of point list */
void *window = edge_window;
float x = edgept->pos.x;
float y = edgept->pos.y;
c_line_color_index(window, Red);
c_move(window, x, y);
x -= 4;
y -= 12;
c_draw(window, x, y);
x -= 2;
y += 4;
c_draw(window, x, y);
x -= 4;
y += 2;
c_draw(window, x, y);
x += 10;
y += 6;
c_draw(window, x, y);
c_make_current(window);
}
/*----------------------------------------------------------------------------
Public Code
-----------------------------------------------------------------------------*/
void DisplayProtoList(const char* ch, LIST protolist) {
void* window = c_create_window("Char samples", 50, 200,
520, 520, -130.0, 130.0, -130.0, 130.0);
LIST proto = protolist;
iterate(proto) {
PROTOTYPE* prototype = reinterpret_cast<PROTOTYPE *>(first_node(proto));
if (prototype->Significant)
c_line_color_index(window, Green);
else if (prototype->NumSamples == 0)
c_line_color_index(window, Blue);
else if (prototype->Merged)
c_line_color_index(window, Magenta);
else
c_line_color_index(window, Red);
float x = CenterX(prototype->Mean);
float y = CenterY(prototype->Mean);
double angle = OrientationOf(prototype->Mean) * 2 * M_PI;
float dx = static_cast<float>(LengthOf(prototype->Mean) * cos(angle) / 2);
float dy = static_cast<float>(LengthOf(prototype->Mean) * sin(angle) / 2);
c_move(window, (x - dx) * 256, (y - dy) * 256);
c_draw(window, (x + dx) * 256, (y + dy) * 256);
if (prototype->Significant)
tprintf("Green proto at (%g,%g)+(%g,%g) %d samples\n",
x, y, dx, dy, prototype->NumSamples);
else if (prototype->NumSamples > 0 && !prototype->Merged)
tprintf("Red proto at (%g,%g)+(%g,%g) %d samples\n",
x, y, dx, dy, prototype->NumSamples);
}
c_make_current(window);
}
/**********************************************************************
* mark_split
*
* Set up the marks list to be displayed in subsequent updates and draw
* the marks in the current window. The marks are stored in the second
* sublist. The first sublist is left unmodified.
**********************************************************************/
void mark_split(SPLIT *split) {
void *window = edge_window;
c_line_color_index(window, Green);
c_move (window, (float) split->point1->pos.x, (float) split->point1->pos.y);
c_draw (window, (float) split->point2->pos.x, (float) split->point2->pos.y);
c_make_current(window);
}
/**********************************************************************
* render_edgepts
*
* Create a list of line segments that represent the expanded outline
* that was supplied as input.
**********************************************************************/
void render_edgepts(void *window, EDGEPT *edgept, C_COL color) {
float x = edgept->pos.x;
float y = edgept->pos.y;
EDGEPT *this_edge = edgept;
if (!edgept)
return;
c_line_color_index(window, color);
c_move(window, x, y);
do {
this_edge = this_edge->next;
x = this_edge->pos.x;
y = this_edge->pos.y;
c_draw(window, x, y);
}
while (edgept != this_edge);
}
