diff options
author | kickbutt <kickbutt@yandex-team.com> | 2024-01-23 23:36:43 +0300 |
---|---|---|
committer | Alexander Smirnov <alex@ydb.tech> | 2024-01-24 15:02:13 +0300 |
commit | 299dc21a6f70a16b00e1d564fa56961331552415 (patch) | |
tree | 183f498a2e98a04f9a6143a11006ba0c10f867f3 /contrib/python/Pillow/py3/_imagingft.c | |
parent | 5ccb6ae864be6b53df427dc3a0fa14dbb95aa11c (diff) | |
download | ydb-299dc21a6f70a16b00e1d564fa56961331552415.tar.gz |
Fix separator in CUDA_ARCHITECTURES
Diffstat (limited to 'contrib/python/Pillow/py3/_imagingft.c')
-rw-r--r-- | contrib/python/Pillow/py3/_imagingft.c | 65 |
1 files changed, 44 insertions, 21 deletions
diff --git a/contrib/python/Pillow/py3/_imagingft.c b/contrib/python/Pillow/py3/_imagingft.c index 069e7cd147..19a2d6fb9b 100644 --- a/contrib/python/Pillow/py3/_imagingft.c +++ b/contrib/python/Pillow/py3/_imagingft.c @@ -877,7 +877,7 @@ font_render(FontObject *self, PyObject *args) { width += stroke_width * 2 + ceil(x_start); height += stroke_width * 2 + ceil(y_start); - image = PyObject_CallFunction(fill, "s(ii)", strcmp(mode, "RGBA") == 0 ? "RGBA" : "L", width, height); + image = PyObject_CallFunction(fill, "ii", width, height); if (image == Py_None) { PyMem_Del(glyph_info); return Py_BuildValue("ii", 0, 0); @@ -885,7 +885,9 @@ font_render(FontObject *self, PyObject *args) { PyMem_Del(glyph_info); return NULL; } - id = PyLong_AsSsize_t(PyObject_GetAttrString(image, "id")); + PyObject *imageId = PyObject_GetAttrString(image, "id"); + id = PyLong_AsSsize_t(imageId); + Py_XDECREF(imageId); im = (Imaging)id; x_offset -= stroke_width; @@ -1047,8 +1049,8 @@ font_render(FontObject *self, PyObject *args) { if (yy >= 0 && yy < im->ysize) { /* blend this glyph into the buffer */ int k; - unsigned char v; unsigned char *target; + unsigned int tmp; if (color) { /* target[RGB] returns the color, target[A] returns the mask */ /* target bands get split again in ImageDraw.text */ @@ -1059,34 +1061,55 @@ font_render(FontObject *self, PyObject *args) { if (color && bitmap.pixel_mode == FT_PIXEL_MODE_BGRA) { /* paste color glyph */ for (k = x0; k < x1; k++) { - if (target[k * 4 + 3] < source[k * 4 + 3]) { - /* unpremultiply BGRa to RGBA */ - target[k * 4 + 0] = CLIP8( - (255 * (int)source[k * 4 + 2]) / source[k * 4 + 3]); - target[k * 4 + 1] = CLIP8( - (255 * (int)source[k * 4 + 1]) / source[k * 4 + 3]); - target[k * 4 + 2] = CLIP8( - (255 * (int)source[k * 4 + 0]) / source[k * 4 + 3]); - target[k * 4 + 3] = source[k * 4 + 3]; + unsigned int src_alpha = source[k * 4 + 3]; + + /* paste only if source has data */ + if (src_alpha > 0) { + /* unpremultiply BGRa */ + int src_red = CLIP8((255 * (int)source[k * 4 + 2]) / src_alpha); + int src_green = CLIP8((255 * (int)source[k * 4 + 1]) / src_alpha); + int src_blue = CLIP8((255 * (int)source[k * 4 + 0]) / src_alpha); + + /* blend required if target has data */ + if (target[k * 4 + 3] > 0) { + /* blend RGBA colors */ + target[k * 4 + 0] = BLEND(src_alpha, target[k * 4 + 0], src_red, tmp); + target[k * 4 + 1] = BLEND(src_alpha, target[k * 4 + 1], src_green, tmp); + target[k * 4 + 2] = BLEND(src_alpha, target[k * 4 + 2], src_blue, tmp); + target[k * 4 + 3] = CLIP8(src_alpha + MULDIV255(target[k * 4 + 3], (255 - src_alpha), tmp)); + } else { + /* paste unpremultiplied RGBA values */ + target[k * 4 + 0] = src_red; + target[k * 4 + 1] = src_green; + target[k * 4 + 2] = src_blue; + target[k * 4 + 3] = src_alpha; + } } } } else if (bitmap.pixel_mode == FT_PIXEL_MODE_GRAY) { 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; + unsigned 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; + unsigned 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; } } } |