diff --git a/Tests/images/bitmap_font_stroke_basic.png b/Tests/images/bitmap_font_stroke_basic.png index 86b2d09f6..26aa3ab8e 100644 Binary files a/Tests/images/bitmap_font_stroke_basic.png and b/Tests/images/bitmap_font_stroke_basic.png differ diff --git a/Tests/images/bitmap_font_stroke_raqm.png b/Tests/images/bitmap_font_stroke_raqm.png index 08029ce34..be273d7cb 100644 Binary files a/Tests/images/bitmap_font_stroke_raqm.png and b/Tests/images/bitmap_font_stroke_raqm.png differ diff --git a/Tests/images/default_font_freetype.png b/Tests/images/default_font_freetype.png index e00bb5d85..bc1654a25 100644 Binary files a/Tests/images/default_font_freetype.png and b/Tests/images/default_font_freetype.png differ diff --git a/src/_imagingft.c b/src/_imagingft.c index 966ee0267..7c6be58bb 100644 --- a/src/_imagingft.c +++ b/src/_imagingft.c @@ -1092,19 +1092,26 @@ font_render(FontObject *self, PyObject *args) { if (color) { unsigned char *ink = (unsigned char *)&foreground_ink; for (k = x0; k < x1; k++) { - v = source[k] * convert_scale; - if (target[k * 4 + 3] < v) { - target[k * 4 + 0] = ink[0]; - target[k * 4 + 1] = ink[1]; - target[k * 4 + 2] = ink[2]; - target[k * 4 + 3] = v; + int src_alpha = source[k] * convert_scale; + if (src_alpha > 0) { + if (target[k * 4 + 3] > 0) { + target[k * 4 + 0] = BLEND(src_alpha, target[k * 4 + 0], ink[0], tmp); + target[k * 4 + 1] = BLEND(src_alpha, target[k * 4 + 1], ink[1], tmp); + target[k * 4 + 2] = BLEND(src_alpha, target[k * 4 + 2], ink[2], tmp); + target[k * 4 + 3] = CLIP8(src_alpha + MULDIV255(target[k * 4 + 3], (255 - src_alpha), tmp)); + } else { + target[k * 4 + 0] = ink[0]; + target[k * 4 + 1] = ink[1]; + target[k * 4 + 2] = ink[2]; + target[k * 4 + 3] = src_alpha; + } } } } else { for (k = x0; k < x1; k++) { - v = source[k] * convert_scale; - if (target[k] < v) { - target[k] = v; + int src_alpha = source[k] * convert_scale; + if (src_alpha > 0) { + target[k] = target[k] > 0 ? CLIP8(src_alpha + MULDIV255(target[k], (255 - src_alpha), tmp)) : src_alpha; } } }