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new font strategy

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This commit is contained in:
Joseph Redmon
2016-11-05 14:09:21 -07:00
parent 352ae7e65b
commit c7a700dc22
113 changed files with 330 additions and 209 deletions
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43
src/image.c
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@ -53,6 +53,7 @@ image border_image(image a, int border)
for(y = 0; y < b.h; ++y){
for(x = 0; x < b.w; ++x){
float val = get_pixel_extend(a, x - border, y - border, k);
if(x - border < 0 || x - border >= a.w || y - border < 0 || y - border >= a.h) val = 1;
set_pixel(b, x, y, k, val);
}
}
@ -70,12 +71,13 @@ image tile_images(image a, image b, int dx)
return c;
}
image get_label(image *characters, char *string)
image get_label(image **characters, char *string, int size)
{
if(size > 7) size = 7;
image label = make_empty_image(0,0,0);
while(*string){
image l = characters[(int)*string];
image n = tile_images(label, l, -4);
image l = characters[size][(int)*string];
image n = tile_images(label, l, -size - 1 + (size+1)/2);
free_image(label);
label = n;
++string;
@ -87,24 +89,19 @@ image get_label(image *characters, char *string)
void draw_label(image a, int r, int c, image label, const float *rgb)
{
float ratio = (float) label.w / label.h;
int h = a.h * .04;
h = label.h;
h = a.h * .06;
int w = ratio * h;
image rl = resize_image(label, w, h);
int w = label.w;
int h = label.h;
if (r - h >= 0) r = r - h;
int i, j, k;
for(j = 0; j < h && j + r < a.h; ++j){
for(i = 0; i < w && i + c < a.w; ++i){
for(k = 0; k < label.c; ++k){
float val = get_pixel(rl, i, j, k);
float val = get_pixel(label, i, j, k);
set_pixel(a, i+c, j+r, k, rgb[k] * val);
}
}
}
free_image(rl);
}
void draw_box(image a, int x1, int y1, int x2, int y2, float r, float g, float b)
@ -164,19 +161,23 @@ void draw_bbox(image a, box bbox, int w, float r, float g, float b)
}
}
image *load_alphabet()
image **load_alphabet()
{
int i;
image *alphabet = calloc(128, sizeof(image));
for(i = 32; i < 127; ++i){
char buff[256];
sprintf(buff, "data/labels/%d.png", i);
alphabet[i] = load_image_color(buff, 0, 0);
int i, j;
const int nsize = 8;
image **alphabets = calloc(nsize, sizeof(image));
for(j = 0; j < nsize; ++j){
alphabets[j] = calloc(128, sizeof(image));
for(i = 32; i < 127; ++i){
char buff[256];
sprintf(buff, "data/labels/%d_%d.png", i, j);
alphabets[j][i] = load_image_color(buff, 0, 0);
}
}
return alphabet;
return alphabets;
}
void draw_detections(image im, int num, float thresh, box *boxes, float **probs, char **names, image *alphabet, int classes)
void draw_detections(image im, int num, float thresh, box *boxes, float **probs, char **names, image **alphabet, int classes)
{
int i;
@ -212,7 +213,7 @@ void draw_detections(image im, int num, float thresh, box *boxes, float **probs,
draw_box_width(im, left, top, right, bot, width, red, green, blue);
if (alphabet) {
image label = get_label(alphabet, names[class]);
image label = get_label(alphabet, names[class], (im.h*.03)/10);
draw_label(im, top + width, left, label, rgb);
}
}