| … | |
… | |
| 915 | |
915 | |
| 916 | return cc; |
916 | return cc; |
| 917 | } |
917 | } |
| 918 | |
918 | |
| 919 | rxvt_img * |
919 | rxvt_img * |
|
|
920 | rxvt_img::shade (nv factor, rgba c) |
|
|
921 | { |
|
|
922 | clamp_it (factor, -1., 1.); |
|
|
923 | factor++; |
|
|
924 | |
|
|
925 | if (factor > 1) |
|
|
926 | { |
|
|
927 | c.r = c.r * (2 - factor); |
|
|
928 | c.g = c.g * (2 - factor); |
|
|
929 | c.b = c.b * (2 - factor); |
|
|
930 | } |
|
|
931 | else |
|
|
932 | { |
|
|
933 | c.r = c.r * factor; |
|
|
934 | c.g = c.g * factor; |
|
|
935 | c.b = c.b * factor; |
|
|
936 | } |
|
|
937 | |
|
|
938 | rxvt_img *img = this->tint (c); |
|
|
939 | |
|
|
940 | if (factor > 1) |
|
|
941 | { |
|
|
942 | c.a = 0xffff; |
|
|
943 | c.r = |
|
|
944 | c.g = |
|
|
945 | c.b = 0xffff * (factor - 1); |
|
|
946 | |
|
|
947 | img->brightness (c.r, c.g, c.b, c.a); |
|
|
948 | } |
|
|
949 | |
|
|
950 | return img; |
|
|
951 | } |
|
|
952 | |
|
|
953 | rxvt_img * |
| 920 | rxvt_img::filter (const char *name, int nparams, nv *params) |
954 | rxvt_img::filter (const char *name, int nparams, nv *params) |
| 921 | { |
955 | { |
| 922 | composer cc (this); |
956 | composer cc (this); |
| 923 | |
957 | |
| 924 | XFixed *xparams = rxvt_temp_buf<XFixed> (nparams); |
958 | XFixed *xparams = rxvt_temp_buf<XFixed> (nparams); |
