| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123 |
- # copyright (c) 2024 PaddlePaddle Authors. All Rights Reserve.
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- import numpy as np
- def get_colormap(rgb=False):
- """
- Get colormap
- """
- color_list = np.array(
- [
- 0xFF,
- 0x00,
- 0x00,
- 0xCC,
- 0xFF,
- 0x00,
- 0x00,
- 0xFF,
- 0x66,
- 0x00,
- 0x66,
- 0xFF,
- 0xCC,
- 0x00,
- 0xFF,
- 0xFF,
- 0x4D,
- 0x00,
- 0x80,
- 0xFF,
- 0x00,
- 0x00,
- 0xFF,
- 0xB2,
- 0x00,
- 0x1A,
- 0xFF,
- 0xFF,
- 0x00,
- 0xE5,
- 0xFF,
- 0x99,
- 0x00,
- 0x33,
- 0xFF,
- 0x00,
- 0x00,
- 0xFF,
- 0xFF,
- 0x33,
- 0x00,
- 0xFF,
- 0xFF,
- 0x00,
- 0x99,
- 0xFF,
- 0xE5,
- 0x00,
- 0x00,
- 0xFF,
- 0x1A,
- 0x00,
- 0xB2,
- 0xFF,
- 0x80,
- 0x00,
- 0xFF,
- 0xFF,
- 0x00,
- 0x4D,
- ]
- ).astype(np.float32)
- color_list = color_list.reshape((-1, 3))
- if not rgb:
- color_list = color_list[:, ::-1]
- return color_list.astype("int32")
- def get_color_map_list(num_classes):
- """
- Args:
- num_classes (int): number of class
- Returns:
- color_map (list): RGB color list
- """
- color_map = num_classes * [0, 0, 0]
- for i in range(0, num_classes):
- j = 0
- lab = i
- while lab:
- color_map[i * 3] |= ((lab >> 0) & 1) << (7 - j)
- color_map[i * 3 + 1] |= ((lab >> 1) & 1) << (7 - j)
- color_map[i * 3 + 2] |= ((lab >> 2) & 1) << (7 - j)
- j += 1
- lab >>= 3
- color_map = [color_map[i : i + 3] for i in range(0, len(color_map), 3)]
- return color_map
- def font_colormap(color_index):
- """
- Get font color according to the index of colormap
- """
- dark = np.array([0x14, 0x0E, 0x35])
- light = np.array([0xFF, 0xFF, 0xFF])
- light_indexs = [0, 3, 4, 8, 9, 13, 14, 18, 19]
- if color_index in light_indexs:
- return light.astype("int32")
- else:
- return dark.astype("int32")
|
