hermet pushed a commit to branch master. http://git.enlightenment.org/core/efl.git/commit/?id=057db36423a60f56bc911d3000dfba631e64484a
commit 057db36423a60f56bc911d3000dfba631e64484a Author: Hermet Park <[email protected]> Date: Mon Mar 4 20:35:31 2019 +0900 evas map: fix wrong range in anti-aliasing processing. alpha value must be in 0 - 255. --- src/lib/evas/common/evas_map_image_aa.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/src/lib/evas/common/evas_map_image_aa.c b/src/lib/evas/common/evas_map_image_aa.c index 4a741ea3ca..6c829eac17 100644 --- a/src/lib/evas/common/evas_map_image_aa.c +++ b/src/lib/evas/common/evas_map_image_aa.c @@ -12,14 +12,14 @@ calc_irregular_coverage(Line* spans, int eidx, int y, int diagonal, int edge_dist, Eina_Bool reverse) { if (eidx == 1) reverse = !reverse; - int coverage = (256 / (diagonal + 2)); + int coverage = (255 / (diagonal + 2)); int tmp; for (int ry = 0; ry < (diagonal + 2); ry++) { tmp = y - ry - edge_dist; if (tmp < 0) return; spans[tmp].aa_len[eidx] = 1; - if (reverse) spans[tmp].aa_cov[eidx] = 256 - (coverage * ry); + if (reverse) spans[tmp].aa_cov[eidx] = 255 - (coverage * ry); else spans[tmp].aa_cov[eidx] = (coverage * ry); } } @@ -28,14 +28,14 @@ static void calc_vert_coverage(Line *spans, int eidx, int y, int rewind, Eina_Bool reverse) { if (eidx == 1) reverse = !reverse; - int coverage = (256 / (rewind + 1)); + int coverage = (255 / (rewind + 1)); int tmp; for (int ry = 1; ry < (rewind + 1); ry++) { tmp = y - ry; if (tmp < 0 ) return; spans[tmp].aa_len[eidx] = 1; - if (reverse) spans[tmp].aa_cov[eidx] = (256 - (coverage * ry)); + if (reverse) spans[tmp].aa_cov[eidx] = (255 - (coverage * ry)); else spans[tmp].aa_cov[eidx] = (coverage * ry); } } @@ -46,7 +46,7 @@ calc_horiz_coverage(Line *spans, int eidx, int y, int x, int x2) if (spans[y].aa_len[eidx] < abs(x - x2)) { spans[y].aa_len[eidx] = abs(x - x2); - spans[y].aa_cov[eidx] = (256 / (spans[y].aa_len[eidx] + 1)); + spans[y].aa_cov[eidx] = (255 / (spans[y].aa_len[eidx] + 1)); } } @@ -61,7 +61,7 @@ _aa_coverage_apply(Line *line, int ww, int w, DATA32 val, Eina_Bool src_alpha) //Right Edge Anti Aliasing if (line->aa_len[1] >= ww) { - return MUL_256(256 - (line->aa_cov[1] * (line->aa_len[1] - ww + 1)), + return MUL_256(255 - (line->aa_cov[1] * (line->aa_len[1] - ww + 1)), val); } //Remove Transparency if src image alpha is off. --
