diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/svg/svg-color.cpp | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/svg/svg-color.cpp b/src/svg/svg-color.cpp index ca94c241f..5108b7702 100644 --- a/src/svg/svg-color.cpp +++ b/src/svg/svg-color.cpp @@ -310,6 +310,59 @@ static guint32 internal_sp_svg_read_color(gchar const *str, gchar const **end_pt *end_ptr = s; } return val; + } else if (strneq(str, "hsl(", 4)) { + + gchar *ptr = (gchar *) str + 4; + + gchar *e; // ptr after read + + double h = g_ascii_strtod(ptr, &e); // Read h (0-360) + if (ptr == e) return def; // Read failed + ptr = e; + + while (*ptr && g_ascii_isspace(*ptr)) ptr += 1; // Remove any white space + if (*ptr != ',') return def; // Need comma + ptr += 1; + while (*ptr && g_ascii_isspace(*ptr)) ptr += 1; // Remove any white space + + double s = g_ascii_strtod(ptr, &e); // Read s (percent) + if (ptr == e) return def; // Read failed + ptr = e; + while (*ptr && g_ascii_isspace(*ptr)) ptr += 1; // Remove any white space + if (*ptr != '%') return def; // Need % + ptr += 1; + + while (*ptr && g_ascii_isspace(*ptr)) ptr += 1; // Remove any white space + if (*ptr != ',') return def; // Need comma + ptr += 1; + while (*ptr && g_ascii_isspace(*ptr)) ptr += 1; // Remove any white space + + double l = g_ascii_strtod(ptr, &e); // Read l (percent) + if (ptr == e) return def; // Read failed + ptr = e; + while (*ptr && g_ascii_isspace(*ptr)) ptr += 1; // Remove any white space + if (*ptr != '%') return def; // Need % + ptr += 1; + + if (end_ptr) { + *end_ptr = ptr; + } + + + // Normalize to 0..1 + h /= 360.0; + s /= 100.0; + l /= 100.0; + + gfloat rgb[3]; + + sp_color_hsl_to_rgb_floatv( rgb, h, s, l ); + + val = static_cast<guint>(floor(CLAMP(rgb[0], 0.0, 1.0) * 255.9999)) << 24; + val |= (static_cast<guint>(floor(CLAMP(rgb[1], 0.0, 1.0) * 255.9999)) << 16); + val |= (static_cast<guint>(floor(CLAMP(rgb[2], 0.0, 1.0) * 255.9999)) << 8); + return val; + } else { gint i; if (colors.empty()) { |
