render.cpp File Reference

#include "render.h"
#include "blobs.h"
#include <cmath>
#include "vecfuncs.h"

Go to the source code of this file.

Functions
void	display_blob (TBLOB *blob, C_COL color)
void	render_blob (void *window, TBLOB *blob, C_COL color)
void	render_edgepts (void *window, EDGEPT *edgept, C_COL color)
void	render_outline (void *window, TESSLINE *outline, C_COL color)

Variables
ScrollView *	blob_window = nullptr
C_COL	color_list []
bool	wordrec_display_all_blobs = 0
bool	wordrec_display_all_words = 0
bool	wordrec_blob_pause = 0

Function Documentation

display_blob()

void display_blob	(	TBLOB *	blob,
		C_COL	color
	)

Definition at line 61 of file render.cpp.

                                            {
  /* Size of drawable */
  if (blob_window == nullptr) {
    blob_window = c_create_window ("Blobs", 520, 10,
      500, 256, -1000.0, 1000.0, 0.0, 256.0);
  }
  else {
    c_clear_window(blob_window);
  }

  render_blob(blob_window, blob, color);
}

render_blob()

void render_blob	(	void *	window,
		TBLOB *	blob,
		C_COL	color
	)

Definition at line 80 of file render.cpp.

                                                         {
  /* No outline */
  if (!blob)
    return;

  render_outline (window, blob->outlines, color);
}

render_edgepts()

void render_edgepts	(	void *	window,
		EDGEPT *	edgept,
		C_COL	color
	)

Definition at line 95 of file render.cpp.

                                                               {
  if (!edgept)
    return;

  float x = edgept->pos.x;
  float y = edgept->pos.y;
  EDGEPT *this_edge = edgept;

  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);
}

render_outline()

void render_outline	(	void *	window,
		TESSLINE *	outline,
		C_COL	color
	)

Definition at line 121 of file render.cpp.

                                 {
  /* No outline */
  if (!outline)
    return;
  /* Draw Compact outline */
  if (outline->loop)
    render_edgepts (window, outline->loop, color);
  /* Add on next outlines */
  render_outline (window, outline->next, color);
}

Variable Documentation

blob_window

ScrollView* blob_window = nullptr

Definition at line 40 of file render.cpp.

color_list

C_COL color_list[]

Initial value:

= {
  Red, Cyan, Yellow, Blue, Green, White
}

Definition at line 42 of file render.cpp.

wordrec_blob_pause

bool wordrec_blob_pause = 0

"Blob pause"

Definition at line 50 of file render.cpp.

wordrec_display_all_blobs

bool wordrec_display_all_blobs = 0

"Display Blobs"

Definition at line 46 of file render.cpp.

wordrec_display_all_words

bool wordrec_display_all_words = 0

"Display Words"

Definition at line 48 of file render.cpp.