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Allow adjustment of dot size when in dotty mode

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This commit is contained in:
Robin Stuart 2016-09-18 14:09:58 +01:00
parent b13efe334a
commit 9eff5cc63a
10 changed files with 46 additions and 14 deletions
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13
backend/raster.c
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@ -171,12 +171,13 @@ void draw_bar(char *pixelbuf, int xpos, int xlen, int ypos, int ylen, int image_
}
}
void draw_circle(char *pixelbuf, int image_width, int image_height, int x0, int y0, int radius, char fill) {
void draw_circle(char *pixelbuf, int image_width, int image_height, int x0, int y0, float radius, char fill) {
int x, y;
for (y = -radius; y <= radius; y++) {
for (x = -radius; x <= radius; x++) {
if ((x * x) + (y * y) <= (radius * radius)) {
int radius_i = (int) radius;
for (y = -radius_i; y <= radius_i; y++) {
for (x = -radius_i; x <= radius_i; x++) {
if ((x * x) + (y * y) <= (radius_i * radius_i)) {
if ((y + y0 >= 0) && (y + y0 < image_height)
&& (x + x0 >= 0) && (x + x0 < image_width)) {
*(pixelbuf + ((y + y0) * image_width) + (x + x0)) = fill;
@ -544,7 +545,7 @@ int plot_raster_dotty(struct zint_symbol *symbol, int rotate_angle, int data_typ
draw_circle(scaled_pixelbuf, scale_width, scale_height,
(int) ((i + xoffset) * scaler) + (scaler / 2.0),
(int) ((r + yoffset) * scaler) + (scaler / 2.0),
(int) (scaler / 2.0),
(symbol->dot_size / 2.0) * scaler,
'1');
}
}