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add gridsquare and refactor

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This commit is contained in:
Yongwei Xing 2021-03-02 11:23:29 +08:00
parent f4e4376de0
commit c75fea7185
8 changed files with 730 additions and 43 deletions
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539
color.go
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@ -22,4 +22,543 @@ var (
Orange = color.RGBA{0xFF, 0xA5, 0x00, 0xFF}
Black = color.RGBA{0x00, 0x00, 0x00, 0xFF}
White = color.RGBA{0xFF, 0xFF, 0xFF, 0xFF}
Outdoors = []color.RGBA{
{67, 110, 165, 255},
{47, 76, 114, 255},
{165, 138, 3, 255},
{242, 182, 4, 255},
{191, 131, 59, 255},
}
Reddery = []color.RGBA{
{89, 2, 16, 255},
{37, 2, 5, 255},
{186, 7, 55, 255},
{253, 55, 51, 255},
{245, 169, 167, 255},
}
DarkPink = []color.RGBA{
{2, 64, 89, 255},
{242, 131, 107, 255},
{140, 40, 31, 255},
{191, 69, 57, 255},
{13, 13, 13, 255},
}
Plasma = []color.RGBA{
color.RGBA{0x0c, 0x07, 0x86, 0xff},
color.RGBA{0x10, 0x07, 0x87, 0xff},
color.RGBA{0x13, 0x06, 0x89, 0xff},
color.RGBA{0x15, 0x06, 0x8a, 0xff},
color.RGBA{0x18, 0x06, 0x8b, 0xff},
color.RGBA{0x1b, 0x06, 0x8c, 0xff},
color.RGBA{0x1d, 0x06, 0x8d, 0xff},
color.RGBA{0x1f, 0x05, 0x8e, 0xff},
color.RGBA{0x21, 0x05, 0x8f, 0xff},
color.RGBA{0x23, 0x05, 0x90, 0xff},
color.RGBA{0x25, 0x05, 0x91, 0xff},
color.RGBA{0x27, 0x05, 0x92, 0xff},
color.RGBA{0x29, 0x05, 0x93, 0xff},
color.RGBA{0x2b, 0x05, 0x94, 0xff},
color.RGBA{0x2d, 0x04, 0x94, 0xff},
color.RGBA{0x2f, 0x04, 0x95, 0xff},
color.RGBA{0x31, 0x04, 0x96, 0xff},
color.RGBA{0x33, 0x04, 0x97, 0xff},
color.RGBA{0x34, 0x04, 0x98, 0xff},
color.RGBA{0x36, 0x04, 0x98, 0xff},
color.RGBA{0x38, 0x04, 0x99, 0xff},
color.RGBA{0x3a, 0x04, 0x9a, 0xff},
color.RGBA{0x3b, 0x03, 0x9a, 0xff},
color.RGBA{0x3d, 0x03, 0x9b, 0xff},
color.RGBA{0x3f, 0x03, 0x9c, 0xff},
color.RGBA{0x40, 0x03, 0x9c, 0xff},
color.RGBA{0x42, 0x03, 0x9d, 0xff},
color.RGBA{0x44, 0x03, 0x9e, 0xff},
color.RGBA{0x45, 0x03, 0x9e, 0xff},
color.RGBA{0x47, 0x02, 0x9f, 0xff},
color.RGBA{0x49, 0x02, 0x9f, 0xff},
color.RGBA{0x4a, 0x02, 0xa0, 0xff},
color.RGBA{0x4c, 0x02, 0xa1, 0xff},
color.RGBA{0x4e, 0x02, 0xa1, 0xff},
color.RGBA{0x4f, 0x02, 0xa2, 0xff},
color.RGBA{0x51, 0x01, 0xa2, 0xff},
color.RGBA{0x52, 0x01, 0xa3, 0xff},
color.RGBA{0x54, 0x01, 0xa3, 0xff},
color.RGBA{0x56, 0x01, 0xa3, 0xff},
color.RGBA{0x57, 0x01, 0xa4, 0xff},
color.RGBA{0x59, 0x01, 0xa4, 0xff},
color.RGBA{0x5a, 0x00, 0xa5, 0xff},
color.RGBA{0x5c, 0x00, 0xa5, 0xff},
color.RGBA{0x5e, 0x00, 0xa5, 0xff},
color.RGBA{0x5f, 0x00, 0xa6, 0xff},
color.RGBA{0x61, 0x00, 0xa6, 0xff},
color.RGBA{0x62, 0x00, 0xa6, 0xff},
color.RGBA{0x64, 0x00, 0xa7, 0xff},
color.RGBA{0x65, 0x00, 0xa7, 0xff},
color.RGBA{0x67, 0x00, 0xa7, 0xff},
color.RGBA{0x68, 0x00, 0xa7, 0xff},
color.RGBA{0x6a, 0x00, 0xa7, 0xff},
color.RGBA{0x6c, 0x00, 0xa8, 0xff},
color.RGBA{0x6d, 0x00, 0xa8, 0xff},
color.RGBA{0x6f, 0x00, 0xa8, 0xff},
color.RGBA{0x70, 0x00, 0xa8, 0xff},
color.RGBA{0x72, 0x00, 0xa8, 0xff},
color.RGBA{0x73, 0x00, 0xa8, 0xff},
color.RGBA{0x75, 0x00, 0xa8, 0xff},
color.RGBA{0x76, 0x01, 0xa8, 0xff},
color.RGBA{0x78, 0x01, 0xa8, 0xff},
color.RGBA{0x79, 0x01, 0xa8, 0xff},
color.RGBA{0x7b, 0x02, 0xa8, 0xff},
color.RGBA{0x7c, 0x02, 0xa7, 0xff},
color.RGBA{0x7e, 0x03, 0xa7, 0xff},
color.RGBA{0x7f, 0x03, 0xa7, 0xff},
color.RGBA{0x81, 0x04, 0xa7, 0xff},
color.RGBA{0x82, 0x04, 0xa7, 0xff},
color.RGBA{0x84, 0x05, 0xa6, 0xff},
color.RGBA{0x85, 0x06, 0xa6, 0xff},
color.RGBA{0x86, 0x07, 0xa6, 0xff},
color.RGBA{0x88, 0x07, 0xa5, 0xff},
color.RGBA{0x89, 0x08, 0xa5, 0xff},
color.RGBA{0x8b, 0x09, 0xa4, 0xff},
color.RGBA{0x8c, 0x0a, 0xa4, 0xff},
color.RGBA{0x8e, 0x0c, 0xa4, 0xff},
color.RGBA{0x8f, 0x0d, 0xa3, 0xff},
color.RGBA{0x90, 0x0e, 0xa3, 0xff},
color.RGBA{0x92, 0x0f, 0xa2, 0xff},
color.RGBA{0x93, 0x10, 0xa1, 0xff},
color.RGBA{0x95, 0x11, 0xa1, 0xff},
color.RGBA{0x96, 0x12, 0xa0, 0xff},
color.RGBA{0x97, 0x13, 0xa0, 0xff},
color.RGBA{0x99, 0x14, 0x9f, 0xff},
color.RGBA{0x9a, 0x15, 0x9e, 0xff},
color.RGBA{0x9b, 0x17, 0x9e, 0xff},
color.RGBA{0x9d, 0x18, 0x9d, 0xff},
color.RGBA{0x9e, 0x19, 0x9c, 0xff},
color.RGBA{0x9f, 0x1a, 0x9b, 0xff},
color.RGBA{0xa0, 0x1b, 0x9b, 0xff},
color.RGBA{0xa2, 0x1c, 0x9a, 0xff},
color.RGBA{0xa3, 0x1d, 0x99, 0xff},
color.RGBA{0xa4, 0x1e, 0x98, 0xff},
color.RGBA{0xa5, 0x1f, 0x97, 0xff},
color.RGBA{0xa7, 0x21, 0x97, 0xff},
color.RGBA{0xa8, 0x22, 0x96, 0xff},
color.RGBA{0xa9, 0x23, 0x95, 0xff},
color.RGBA{0xaa, 0x24, 0x94, 0xff},
color.RGBA{0xac, 0x25, 0x93, 0xff},
color.RGBA{0xad, 0x26, 0x92, 0xff},
color.RGBA{0xae, 0x27, 0x91, 0xff},
color.RGBA{0xaf, 0x28, 0x90, 0xff},
color.RGBA{0xb0, 0x2a, 0x8f, 0xff},
color.RGBA{0xb1, 0x2b, 0x8f, 0xff},
color.RGBA{0xb2, 0x2c, 0x8e, 0xff},
color.RGBA{0xb4, 0x2d, 0x8d, 0xff},
color.RGBA{0xb5, 0x2e, 0x8c, 0xff},
color.RGBA{0xb6, 0x2f, 0x8b, 0xff},
color.RGBA{0xb7, 0x30, 0x8a, 0xff},
color.RGBA{0xb8, 0x32, 0x89, 0xff},
color.RGBA{0xb9, 0x33, 0x88, 0xff},
color.RGBA{0xba, 0x34, 0x87, 0xff},
color.RGBA{0xbb, 0x35, 0x86, 0xff},
color.RGBA{0xbc, 0x36, 0x85, 0xff},
color.RGBA{0xbd, 0x37, 0x84, 0xff},
color.RGBA{0xbe, 0x38, 0x83, 0xff},
color.RGBA{0xbf, 0x39, 0x82, 0xff},
color.RGBA{0xc0, 0x3b, 0x81, 0xff},
color.RGBA{0xc1, 0x3c, 0x80, 0xff},
color.RGBA{0xc2, 0x3d, 0x80, 0xff},
color.RGBA{0xc3, 0x3e, 0x7f, 0xff},
color.RGBA{0xc4, 0x3f, 0x7e, 0xff},
color.RGBA{0xc5, 0x40, 0x7d, 0xff},
color.RGBA{0xc6, 0x41, 0x7c, 0xff},
color.RGBA{0xc7, 0x42, 0x7b, 0xff},
color.RGBA{0xc8, 0x44, 0x7a, 0xff},
color.RGBA{0xc9, 0x45, 0x79, 0xff},
color.RGBA{0xca, 0x46, 0x78, 0xff},
color.RGBA{0xcb, 0x47, 0x77, 0xff},
color.RGBA{0xcc, 0x48, 0x76, 0xff},
color.RGBA{0xcd, 0x49, 0x75, 0xff},
color.RGBA{0xce, 0x4a, 0x75, 0xff},
color.RGBA{0xcf, 0x4b, 0x74, 0xff},
color.RGBA{0xd0, 0x4d, 0x73, 0xff},
color.RGBA{0xd1, 0x4e, 0x72, 0xff},
color.RGBA{0xd1, 0x4f, 0x71, 0xff},
color.RGBA{0xd2, 0x50, 0x70, 0xff},
color.RGBA{0xd3, 0x51, 0x6f, 0xff},
color.RGBA{0xd4, 0x52, 0x6e, 0xff},
color.RGBA{0xd5, 0x53, 0x6d, 0xff},
color.RGBA{0xd6, 0x55, 0x6d, 0xff},
color.RGBA{0xd7, 0x56, 0x6c, 0xff},
color.RGBA{0xd7, 0x57, 0x6b, 0xff},
color.RGBA{0xd8, 0x58, 0x6a, 0xff},
color.RGBA{0xd9, 0x59, 0x69, 0xff},
color.RGBA{0xda, 0x5a, 0x68, 0xff},
color.RGBA{0xdb, 0x5b, 0x67, 0xff},
color.RGBA{0xdc, 0x5d, 0x66, 0xff},
color.RGBA{0xdc, 0x5e, 0x66, 0xff},
color.RGBA{0xdd, 0x5f, 0x65, 0xff},
color.RGBA{0xde, 0x60, 0x64, 0xff},
color.RGBA{0xdf, 0x61, 0x63, 0xff},
color.RGBA{0xdf, 0x62, 0x62, 0xff},
color.RGBA{0xe0, 0x64, 0x61, 0xff},
color.RGBA{0xe1, 0x65, 0x60, 0xff},
color.RGBA{0xe2, 0x66, 0x60, 0xff},
color.RGBA{0xe3, 0x67, 0x5f, 0xff},
color.RGBA{0xe3, 0x68, 0x5e, 0xff},
color.RGBA{0xe4, 0x6a, 0x5d, 0xff},
color.RGBA{0xe5, 0x6b, 0x5c, 0xff},
color.RGBA{0xe5, 0x6c, 0x5b, 0xff},
color.RGBA{0xe6, 0x6d, 0x5a, 0xff},
color.RGBA{0xe7, 0x6e, 0x5a, 0xff},
color.RGBA{0xe8, 0x70, 0x59, 0xff},
color.RGBA{0xe8, 0x71, 0x58, 0xff},
color.RGBA{0xe9, 0x72, 0x57, 0xff},
color.RGBA{0xea, 0x73, 0x56, 0xff},
color.RGBA{0xea, 0x74, 0x55, 0xff},
color.RGBA{0xeb, 0x76, 0x54, 0xff},
color.RGBA{0xec, 0x77, 0x54, 0xff},
color.RGBA{0xec, 0x78, 0x53, 0xff},
color.RGBA{0xed, 0x79, 0x52, 0xff},
color.RGBA{0xed, 0x7b, 0x51, 0xff},
color.RGBA{0xee, 0x7c, 0x50, 0xff},
color.RGBA{0xef, 0x7d, 0x4f, 0xff},
color.RGBA{0xef, 0x7e, 0x4e, 0xff},
color.RGBA{0xf0, 0x80, 0x4d, 0xff},
color.RGBA{0xf0, 0x81, 0x4d, 0xff},
color.RGBA{0xf1, 0x82, 0x4c, 0xff},
color.RGBA{0xf2, 0x84, 0x4b, 0xff},
color.RGBA{0xf2, 0x85, 0x4a, 0xff},
color.RGBA{0xf3, 0x86, 0x49, 0xff},
color.RGBA{0xf3, 0x87, 0x48, 0xff},
color.RGBA{0xf4, 0x89, 0x47, 0xff},
color.RGBA{0xf4, 0x8a, 0x47, 0xff},
color.RGBA{0xf5, 0x8b, 0x46, 0xff},
color.RGBA{0xf5, 0x8d, 0x45, 0xff},
color.RGBA{0xf6, 0x8e, 0x44, 0xff},
color.RGBA{0xf6, 0x8f, 0x43, 0xff},
color.RGBA{0xf6, 0x91, 0x42, 0xff},
color.RGBA{0xf7, 0x92, 0x41, 0xff},
color.RGBA{0xf7, 0x93, 0x41, 0xff},
color.RGBA{0xf8, 0x95, 0x40, 0xff},
color.RGBA{0xf8, 0x96, 0x3f, 0xff},
color.RGBA{0xf8, 0x98, 0x3e, 0xff},
color.RGBA{0xf9, 0x99, 0x3d, 0xff},
color.RGBA{0xf9, 0x9a, 0x3c, 0xff},
color.RGBA{0xfa, 0x9c, 0x3b, 0xff},
color.RGBA{0xfa, 0x9d, 0x3a, 0xff},
color.RGBA{0xfa, 0x9f, 0x3a, 0xff},
color.RGBA{0xfa, 0xa0, 0x39, 0xff},
color.RGBA{0xfb, 0xa2, 0x38, 0xff},
color.RGBA{0xfb, 0xa3, 0x37, 0xff},
color.RGBA{0xfb, 0xa4, 0x36, 0xff},
color.RGBA{0xfc, 0xa6, 0x35, 0xff},
color.RGBA{0xfc, 0xa7, 0x35, 0xff},
color.RGBA{0xfc, 0xa9, 0x34, 0xff},
color.RGBA{0xfc, 0xaa, 0x33, 0xff},
color.RGBA{0xfc, 0xac, 0x32, 0xff},
color.RGBA{0xfc, 0xad, 0x31, 0xff},
color.RGBA{0xfd, 0xaf, 0x31, 0xff},
color.RGBA{0xfd, 0xb0, 0x30, 0xff},
color.RGBA{0xfd, 0xb2, 0x2f, 0xff},
color.RGBA{0xfd, 0xb3, 0x2e, 0xff},
color.RGBA{0xfd, 0xb5, 0x2d, 0xff},
color.RGBA{0xfd, 0xb6, 0x2d, 0xff},
color.RGBA{0xfd, 0xb8, 0x2c, 0xff},
color.RGBA{0xfd, 0xb9, 0x2b, 0xff},
color.RGBA{0xfd, 0xbb, 0x2b, 0xff},
color.RGBA{0xfd, 0xbc, 0x2a, 0xff},
color.RGBA{0xfd, 0xbe, 0x29, 0xff},
color.RGBA{0xfd, 0xc0, 0x29, 0xff},
color.RGBA{0xfd, 0xc1, 0x28, 0xff},
color.RGBA{0xfd, 0xc3, 0x28, 0xff},
color.RGBA{0xfd, 0xc4, 0x27, 0xff},
color.RGBA{0xfd, 0xc6, 0x26, 0xff},
color.RGBA{0xfc, 0xc7, 0x26, 0xff},
color.RGBA{0xfc, 0xc9, 0x26, 0xff},
color.RGBA{0xfc, 0xcb, 0x25, 0xff},
color.RGBA{0xfc, 0xcc, 0x25, 0xff},
color.RGBA{0xfc, 0xce, 0x25, 0xff},
color.RGBA{0xfb, 0xd0, 0x24, 0xff},
color.RGBA{0xfb, 0xd1, 0x24, 0xff},
color.RGBA{0xfb, 0xd3, 0x24, 0xff},
color.RGBA{0xfa, 0xd5, 0x24, 0xff},
color.RGBA{0xfa, 0xd6, 0x24, 0xff},
color.RGBA{0xfa, 0xd8, 0x24, 0xff},
color.RGBA{0xf9, 0xd9, 0x24, 0xff},
color.RGBA{0xf9, 0xdb, 0x24, 0xff},
color.RGBA{0xf8, 0xdd, 0x24, 0xff},
color.RGBA{0xf8, 0xdf, 0x24, 0xff},
color.RGBA{0xf7, 0xe0, 0x24, 0xff},
color.RGBA{0xf7, 0xe2, 0x25, 0xff},
color.RGBA{0xf6, 0xe4, 0x25, 0xff},
color.RGBA{0xf6, 0xe5, 0x25, 0xff},
color.RGBA{0xf5, 0xe7, 0x26, 0xff},
color.RGBA{0xf5, 0xe9, 0x26, 0xff},
color.RGBA{0xf4, 0xea, 0x26, 0xff},
color.RGBA{0xf3, 0xec, 0x26, 0xff},
color.RGBA{0xf3, 0xee, 0x26, 0xff},
color.RGBA{0xf2, 0xf0, 0x26, 0xff},
color.RGBA{0xf2, 0xf1, 0x26, 0xff},
color.RGBA{0xf1, 0xf3, 0x26, 0xff},
color.RGBA{0xf0, 0xf5, 0x25, 0xff},
color.RGBA{0xf0, 0xf6, 0x23, 0xff},
color.RGBA{0xef, 0xf8, 0x21, 0xff},
}
Viridis = []color.RGBA{
color.RGBA{0x44, 0x01, 0x54, 0xff},
color.RGBA{0x44, 0x02, 0x55, 0xff},
color.RGBA{0x44, 0x03, 0x57, 0xff},
color.RGBA{0x45, 0x05, 0x58, 0xff},
color.RGBA{0x45, 0x06, 0x5a, 0xff},
color.RGBA{0x45, 0x08, 0x5b, 0xff},
color.RGBA{0x46, 0x09, 0x5c, 0xff},
color.RGBA{0x46, 0x0b, 0x5e, 0xff},
color.RGBA{0x46, 0x0c, 0x5f, 0xff},
color.RGBA{0x46, 0x0e, 0x61, 0xff},
color.RGBA{0x47, 0x0f, 0x62, 0xff},
color.RGBA{0x47, 0x11, 0x63, 0xff},
color.RGBA{0x47, 0x12, 0x65, 0xff},
color.RGBA{0x47, 0x14, 0x66, 0xff},
color.RGBA{0x47, 0x15, 0x67, 0xff},
color.RGBA{0x47, 0x16, 0x69, 0xff},
color.RGBA{0x47, 0x18, 0x6a, 0xff},
color.RGBA{0x48, 0x19, 0x6b, 0xff},
color.RGBA{0x48, 0x1a, 0x6c, 0xff},
color.RGBA{0x48, 0x1c, 0x6e, 0xff},
color.RGBA{0x48, 0x1d, 0x6f, 0xff},
color.RGBA{0x48, 0x1e, 0x70, 0xff},
color.RGBA{0x48, 0x20, 0x71, 0xff},
color.RGBA{0x48, 0x21, 0x72, 0xff},
color.RGBA{0x48, 0x22, 0x73, 0xff},
color.RGBA{0x48, 0x23, 0x74, 0xff},
color.RGBA{0x47, 0x25, 0x75, 0xff},
color.RGBA{0x47, 0x26, 0x76, 0xff},
color.RGBA{0x47, 0x27, 0x77, 0xff},
color.RGBA{0x47, 0x28, 0x78, 0xff},
color.RGBA{0x47, 0x2a, 0x79, 0xff},
color.RGBA{0x47, 0x2b, 0x7a, 0xff},
color.RGBA{0x47, 0x2c, 0x7b, 0xff},
color.RGBA{0x46, 0x2d, 0x7c, 0xff},
color.RGBA{0x46, 0x2f, 0x7c, 0xff},
color.RGBA{0x46, 0x30, 0x7d, 0xff},
color.RGBA{0x46, 0x31, 0x7e, 0xff},
color.RGBA{0x45, 0x32, 0x7f, 0xff},
color.RGBA{0x45, 0x34, 0x7f, 0xff},
color.RGBA{0x45, 0x35, 0x80, 0xff},
color.RGBA{0x45, 0x36, 0x81, 0xff},
color.RGBA{0x44, 0x37, 0x81, 0xff},
color.RGBA{0x44, 0x39, 0x82, 0xff},
color.RGBA{0x43, 0x3a, 0x83, 0xff},
color.RGBA{0x43, 0x3b, 0x83, 0xff},
color.RGBA{0x43, 0x3c, 0x84, 0xff},
color.RGBA{0x42, 0x3d, 0x84, 0xff},
color.RGBA{0x42, 0x3e, 0x85, 0xff},
color.RGBA{0x42, 0x40, 0x85, 0xff},
color.RGBA{0x41, 0x41, 0x86, 0xff},
color.RGBA{0x41, 0x42, 0x86, 0xff},
color.RGBA{0x40, 0x43, 0x87, 0xff},
color.RGBA{0x40, 0x44, 0x87, 0xff},
color.RGBA{0x3f, 0x45, 0x87, 0xff},
color.RGBA{0x3f, 0x47, 0x88, 0xff},
color.RGBA{0x3e, 0x48, 0x88, 0xff},
color.RGBA{0x3e, 0x49, 0x89, 0xff},
color.RGBA{0x3d, 0x4a, 0x89, 0xff},
color.RGBA{0x3d, 0x4b, 0x89, 0xff},
color.RGBA{0x3d, 0x4c, 0x89, 0xff},
color.RGBA{0x3c, 0x4d, 0x8a, 0xff},
color.RGBA{0x3c, 0x4e, 0x8a, 0xff},
color.RGBA{0x3b, 0x50, 0x8a, 0xff},
color.RGBA{0x3b, 0x51, 0x8a, 0xff},
color.RGBA{0x3a, 0x52, 0x8b, 0xff},
color.RGBA{0x3a, 0x53, 0x8b, 0xff},
color.RGBA{0x39, 0x54, 0x8b, 0xff},
color.RGBA{0x39, 0x55, 0x8b, 0xff},
color.RGBA{0x38, 0x56, 0x8b, 0xff},
color.RGBA{0x38, 0x57, 0x8c, 0xff},
color.RGBA{0x37, 0x58, 0x8c, 0xff},
color.RGBA{0x37, 0x59, 0x8c, 0xff},
color.RGBA{0x36, 0x5a, 0x8c, 0xff},
color.RGBA{0x36, 0x5b, 0x8c, 0xff},
color.RGBA{0x35, 0x5c, 0x8c, 0xff},
color.RGBA{0x35, 0x5d, 0x8c, 0xff},
color.RGBA{0x34, 0x5e, 0x8d, 0xff},
color.RGBA{0x34, 0x5f, 0x8d, 0xff},
color.RGBA{0x33, 0x60, 0x8d, 0xff},
color.RGBA{0x33, 0x61, 0x8d, 0xff},
color.RGBA{0x32, 0x62, 0x8d, 0xff},
color.RGBA{0x32, 0x63, 0x8d, 0xff},
color.RGBA{0x31, 0x64, 0x8d, 0xff},
color.RGBA{0x31, 0x65, 0x8d, 0xff},
color.RGBA{0x31, 0x66, 0x8d, 0xff},
color.RGBA{0x30, 0x67, 0x8d, 0xff},
color.RGBA{0x30, 0x68, 0x8d, 0xff},
color.RGBA{0x2f, 0x69, 0x8d, 0xff},
color.RGBA{0x2f, 0x6a, 0x8d, 0xff},
color.RGBA{0x2e, 0x6b, 0x8e, 0xff},
color.RGBA{0x2e, 0x6c, 0x8e, 0xff},
color.RGBA{0x2e, 0x6d, 0x8e, 0xff},
color.RGBA{0x2d, 0x6e, 0x8e, 0xff},
color.RGBA{0x2d, 0x6f, 0x8e, 0xff},
color.RGBA{0x2c, 0x70, 0x8e, 0xff},
color.RGBA{0x2c, 0x71, 0x8e, 0xff},
color.RGBA{0x2c, 0x72, 0x8e, 0xff},
color.RGBA{0x2b, 0x73, 0x8e, 0xff},
color.RGBA{0x2b, 0x74, 0x8e, 0xff},
color.RGBA{0x2a, 0x75, 0x8e, 0xff},
color.RGBA{0x2a, 0x76, 0x8e, 0xff},
color.RGBA{0x2a, 0x77, 0x8e, 0xff},
color.RGBA{0x29, 0x78, 0x8e, 0xff},
color.RGBA{0x29, 0x79, 0x8e, 0xff},
color.RGBA{0x28, 0x7a, 0x8e, 0xff},
color.RGBA{0x28, 0x7a, 0x8e, 0xff},
color.RGBA{0x28, 0x7b, 0x8e, 0xff},
color.RGBA{0x27, 0x7c, 0x8e, 0xff},
color.RGBA{0x27, 0x7d, 0x8e, 0xff},
color.RGBA{0x27, 0x7e, 0x8e, 0xff},
color.RGBA{0x26, 0x7f, 0x8e, 0xff},
color.RGBA{0x26, 0x80, 0x8e, 0xff},
color.RGBA{0x26, 0x81, 0x8e, 0xff},
color.RGBA{0x25, 0x82, 0x8e, 0xff},
color.RGBA{0x25, 0x83, 0x8d, 0xff},
color.RGBA{0x24, 0x84, 0x8d, 0xff},
color.RGBA{0x24, 0x85, 0x8d, 0xff},
color.RGBA{0x24, 0x86, 0x8d, 0xff},
color.RGBA{0x23, 0x87, 0x8d, 0xff},
color.RGBA{0x23, 0x88, 0x8d, 0xff},
color.RGBA{0x23, 0x89, 0x8d, 0xff},
color.RGBA{0x22, 0x89, 0x8d, 0xff},
color.RGBA{0x22, 0x8a, 0x8d, 0xff},
color.RGBA{0x22, 0x8b, 0x8d, 0xff},
color.RGBA{0x21, 0x8c, 0x8d, 0xff},
color.RGBA{0x21, 0x8d, 0x8c, 0xff},
color.RGBA{0x21, 0x8e, 0x8c, 0xff},
color.RGBA{0x20, 0x8f, 0x8c, 0xff},
color.RGBA{0x20, 0x90, 0x8c, 0xff},
color.RGBA{0x20, 0x91, 0x8c, 0xff},
color.RGBA{0x1f, 0x92, 0x8c, 0xff},
color.RGBA{0x1f, 0x93, 0x8b, 0xff},
color.RGBA{0x1f, 0x94, 0x8b, 0xff},
color.RGBA{0x1f, 0x95, 0x8b, 0xff},
color.RGBA{0x1f, 0x96, 0x8b, 0xff},
color.RGBA{0x1e, 0x97, 0x8a, 0xff},
color.RGBA{0x1e, 0x98, 0x8a, 0xff},
color.RGBA{0x1e, 0x99, 0x8a, 0xff},
color.RGBA{0x1e, 0x99, 0x8a, 0xff},
color.RGBA{0x1e, 0x9a, 0x89, 0xff},
color.RGBA{0x1e, 0x9b, 0x89, 0xff},
color.RGBA{0x1e, 0x9c, 0x89, 0xff},
color.RGBA{0x1e, 0x9d, 0x88, 0xff},
color.RGBA{0x1e, 0x9e, 0x88, 0xff},
color.RGBA{0x1e, 0x9f, 0x88, 0xff},
color.RGBA{0x1e, 0xa0, 0x87, 0xff},
color.RGBA{0x1f, 0xa1, 0x87, 0xff},
color.RGBA{0x1f, 0xa2, 0x86, 0xff},
color.RGBA{0x1f, 0xa3, 0x86, 0xff},
color.RGBA{0x20, 0xa4, 0x85, 0xff},
color.RGBA{0x20, 0xa5, 0x85, 0xff},
color.RGBA{0x21, 0xa6, 0x85, 0xff},
color.RGBA{0x21, 0xa7, 0x84, 0xff},
color.RGBA{0x22, 0xa7, 0x84, 0xff},
color.RGBA{0x23, 0xa8, 0x83, 0xff},
color.RGBA{0x23, 0xa9, 0x82, 0xff},
color.RGBA{0x24, 0xaa, 0x82, 0xff},
color.RGBA{0x25, 0xab, 0x81, 0xff},
color.RGBA{0x26, 0xac, 0x81, 0xff},
color.RGBA{0x27, 0xad, 0x80, 0xff},
color.RGBA{0x28, 0xae, 0x7f, 0xff},
color.RGBA{0x29, 0xaf, 0x7f, 0xff},
color.RGBA{0x2a, 0xb0, 0x7e, 0xff},
color.RGBA{0x2b, 0xb1, 0x7d, 0xff},
color.RGBA{0x2c, 0xb1, 0x7d, 0xff},
color.RGBA{0x2e, 0xb2, 0x7c, 0xff},
color.RGBA{0x2f, 0xb3, 0x7b, 0xff},
color.RGBA{0x30, 0xb4, 0x7a, 0xff},
color.RGBA{0x32, 0xb5, 0x7a, 0xff},
color.RGBA{0x33, 0xb6, 0x79, 0xff},
color.RGBA{0x35, 0xb7, 0x78, 0xff},
color.RGBA{0x36, 0xb8, 0x77, 0xff},
color.RGBA{0x38, 0xb9, 0x76, 0xff},
color.RGBA{0x39, 0xb9, 0x76, 0xff},
color.RGBA{0x3b, 0xba, 0x75, 0xff},
color.RGBA{0x3d, 0xbb, 0x74, 0xff},
color.RGBA{0x3e, 0xbc, 0x73, 0xff},
color.RGBA{0x40, 0xbd, 0x72, 0xff},
color.RGBA{0x42, 0xbe, 0x71, 0xff},
color.RGBA{0x44, 0xbe, 0x70, 0xff},
color.RGBA{0x45, 0xbf, 0x6f, 0xff},
color.RGBA{0x47, 0xc0, 0x6e, 0xff},
color.RGBA{0x49, 0xc1, 0x6d, 0xff},
color.RGBA{0x4b, 0xc2, 0x6c, 0xff},
color.RGBA{0x4d, 0xc2, 0x6b, 0xff},
color.RGBA{0x4f, 0xc3, 0x69, 0xff},
color.RGBA{0x51, 0xc4, 0x68, 0xff},
color.RGBA{0x53, 0xc5, 0x67, 0xff},
color.RGBA{0x55, 0xc6, 0x66, 0xff},
color.RGBA{0x57, 0xc6, 0x65, 0xff},
color.RGBA{0x59, 0xc7, 0x64, 0xff},
color.RGBA{0x5b, 0xc8, 0x62, 0xff},
color.RGBA{0x5e, 0xc9, 0x61, 0xff},
color.RGBA{0x60, 0xc9, 0x60, 0xff},
color.RGBA{0x62, 0xca, 0x5f, 0xff},
color.RGBA{0x64, 0xcb, 0x5d, 0xff},
color.RGBA{0x67, 0xcc, 0x5c, 0xff},
color.RGBA{0x69, 0xcc, 0x5b, 0xff},
color.RGBA{0x6b, 0xcd, 0x59, 0xff},
color.RGBA{0x6d, 0xce, 0x58, 0xff},
color.RGBA{0x70, 0xce, 0x56, 0xff},
color.RGBA{0x72, 0xcf, 0x55, 0xff},
color.RGBA{0x74, 0xd0, 0x54, 0xff},
color.RGBA{0x77, 0xd0, 0x52, 0xff},
color.RGBA{0x79, 0xd1, 0x51, 0xff},
color.RGBA{0x7c, 0xd2, 0x4f, 0xff},
color.RGBA{0x7e, 0xd2, 0x4e, 0xff},
color.RGBA{0x81, 0xd3, 0x4c, 0xff},
color.RGBA{0x83, 0xd3, 0x4b, 0xff},
color.RGBA{0x86, 0xd4, 0x49, 0xff},
color.RGBA{0x88, 0xd5, 0x47, 0xff},
color.RGBA{0x8b, 0xd5, 0x46, 0xff},
color.RGBA{0x8d, 0xd6, 0x44, 0xff},
color.RGBA{0x90, 0xd6, 0x43, 0xff},
color.RGBA{0x92, 0xd7, 0x41, 0xff},
color.RGBA{0x95, 0xd7, 0x3f, 0xff},
color.RGBA{0x97, 0xd8, 0x3e, 0xff},
color.RGBA{0x9a, 0xd8, 0x3c, 0xff},
color.RGBA{0x9d, 0xd9, 0x3a, 0xff},
color.RGBA{0x9f, 0xd9, 0x38, 0xff},
color.RGBA{0xa2, 0xda, 0x37, 0xff},
color.RGBA{0xa5, 0xda, 0x35, 0xff},
color.RGBA{0xa7, 0xdb, 0x33, 0xff},
color.RGBA{0xaa, 0xdb, 0x32, 0xff},
color.RGBA{0xad, 0xdc, 0x30, 0xff},
color.RGBA{0xaf, 0xdc, 0x2e, 0xff},
color.RGBA{0xb2, 0xdd, 0x2c, 0xff},
color.RGBA{0xb5, 0xdd, 0x2b, 0xff},
color.RGBA{0xb7, 0xdd, 0x29, 0xff},
color.RGBA{0xba, 0xde, 0x27, 0xff},
color.RGBA{0xbd, 0xde, 0x26, 0xff},
color.RGBA{0xbf, 0xdf, 0x24, 0xff},
color.RGBA{0xc2, 0xdf, 0x22, 0xff},
color.RGBA{0xc5, 0xdf, 0x21, 0xff},
color.RGBA{0xc7, 0xe0, 0x1f, 0xff},
color.RGBA{0xca, 0xe0, 0x1e, 0xff},
color.RGBA{0xcd, 0xe0, 0x1d, 0xff},
color.RGBA{0xcf, 0xe1, 0x1c, 0xff},
color.RGBA{0xd2, 0xe1, 0x1b, 0xff},
color.RGBA{0xd4, 0xe1, 0x1a, 0xff},
color.RGBA{0xd7, 0xe2, 0x19, 0xff},
color.RGBA{0xda, 0xe2, 0x18, 0xff},
color.RGBA{0xdc, 0xe2, 0x18, 0xff},
color.RGBA{0xdf, 0xe3, 0x18, 0xff},
color.RGBA{0xe1, 0xe3, 0x18, 0xff},
color.RGBA{0xe4, 0xe3, 0x18, 0xff},
color.RGBA{0xe7, 0xe4, 0x19, 0xff},
color.RGBA{0xe9, 0xe4, 0x19, 0xff},
color.RGBA{0xec, 0xe4, 0x1a, 0xff},
color.RGBA{0xee, 0xe5, 0x1b, 0xff},
color.RGBA{0xf1, 0xe5, 0x1c, 0xff},
color.RGBA{0xf3, 0xe5, 0x1e, 0xff},
color.RGBA{0xf6, 0xe6, 0x1f, 0xff},
color.RGBA{0xf8, 0xe6, 0x21, 0xff},
color.RGBA{0xfa, 0xe6, 0x22, 0xff},
color.RGBA{0xfd, 0xe7, 0x24, 0xff},
}
)

7
example/example.go
View file

@ -12,8 +12,7 @@ func formula1(x, y float64) (float64, float64) {
func main() {
c := generativeart.NewCanva(1600, 1600, 2, 2)
c.FillBackgroud(generativeart.White)
g := generativeart.NewWave(formula1)
g.GenerativePolar(c, generativeart.DarkSalmon)
c.ToPng("g1.png")
c.FillBackground()
c.Draw(generativeart.NewWave(formula1))
c.ToPNG("g1.png")
}

16
example/example_gridsquare.go Normal file
View file

@ -0,0 +1,16 @@
package main
import (
"generativeart"
"math/rand"
"time"
)
func main() {
rand.Seed(time.Now().Unix())
c := generativeart.NewCanva(600, 600, 1, 1)
c.SetBackground(generativeart.Viridis[rand.Intn(255)])
c.SetColorSchema(generativeart.Viridis)
c.Draw(generativeart.NewGirdSquares())
c.ToPNG("gsquare.png")
}

16
example/example_maze.go
View file

@ -1,11 +1,17 @@
package main
import "generativeart"
import (
"generativeart"
"math/rand"
"time"
)
func main() {
rand.Seed(time.Now().Unix())
c := generativeart.NewCanva(800, 800, 2, 2)
c.FillBackgroud(generativeart.Azure)
g := generativeart.NewMaze()
g.Generative(c, generativeart.Tomato)
c.ToPng("maze.png")
c.SetBackground(generativeart.Azure)
c.SetForeground(generativeart.Tomato)
c.FillBackground()
c.Draw(generativeart.NewMaze())
c.ToPNG("maze.png")
}

97
generativeart.go
View file

@ -17,6 +17,22 @@ type canva struct {
height, width int
xaixs, yaixs float64
img *image.RGBA
opts Options
}
type Options struct {
background color.RGBA
foreground color.RGBA
lineColor color.RGBA
lineWidth float64
colorSchema []color.RGBA
isPolarCoodinate bool
step int
nIters int
alpha int
rectLenSide int
radius float64
decay float64
}
// NewCanva returns a canva.
@ -27,16 +43,87 @@ func NewCanva(h, w int, x, y float64) *canva {
xaixs: x,
yaixs: y,
img: image.NewRGBA(image.Rect(0, 0, h, w)),
// Set some defaults value
opts: Options{
background: Azure,
foreground: MistyRose,
lineColor: Tomato,
lineWidth: 3,
colorSchema: Plasma,
isPolarCoodinate: false,
step: 24,
nIters: 20,
alpha: 30,
rectLenSide: 10,
radius: 1.0,
decay: 0.2,
},
}
}
// FillBackgroud fills the backgroud of the canva.
func (c *canva) FillBackgroud(rgba color.RGBA) {
draw.Draw(c.img, c.img.Bounds(), &image.Uniform{rgba}, image.ZP, draw.Src)
func (c *canva) SetOptions(opts Options) {
c.opts = opts
}
func (c *canva) SetBackground(rgba color.RGBA) {
c.opts.background = rgba
}
func (c *canva) SetForeground(rgba color.RGBA) {
c.opts.foreground = rgba
}
func (c *canva) SetColorSchema(rgbas []color.RGBA) {
c.opts.colorSchema = rgbas
}
func (c *canva) SetLineColor(rgba color.RGBA) {
c.opts.lineColor = rgba
}
func (c *canva) SetLineWidth(lw float64) {
c.opts.lineWidth = lw
}
func (c *canva) SetPolarCoodinate() {
c.opts.isPolarCoodinate = true
}
func (c *canva) SetStep(step int) {
c.opts.step = step
}
func (c *canva) SetIterations(nIters int) {
c.opts.nIters = nIters
}
func (c *canva) SetAlpha(alpha int) {
c.opts.alpha = alpha
}
func (c *canva) SetRectLenSide(l int) {
c.opts.rectLenSide = l
}
func (c *canva) SetRadius(r float64) {
c.opts.radius = r
}
func (c *canva) SetDecay(d float64) {
c.opts.decay = d
}
func (c *canva) Draw(e Engine) {
e.Generative(c)
}
// FillBackground fills the background of the canva.
func (c *canva) FillBackground() {
draw.Draw(c.img, c.img.Bounds(), &image.Uniform{c.opts.background}, image.ZP, draw.Src)
}
// ToPng saves the image to local with PNG format.
func (c *canva) ToPng(fpath string) error {
func (c *canva) ToPNG(fpath string) error {
f, err := os.Create(fpath)
if err != nil {
return err
@ -54,7 +141,7 @@ func (c *canva) ToPng(fpath string) error {
}
// ToJpeg saves the image to local with Jpeg format.
func (c *canva) ToJpeg(path string) error {
func (c *canva) ToJPEG(path string) error {
f, err := os.Create(path)
if err != nil {
return err

13
maze.go
View file

@ -1,7 +1,6 @@
package generativeart
import (
"image/color"
"math/rand"
"github.com/fogleman/gg"
@ -15,21 +14,17 @@ func NewMaze() *maze {
}
// Generative draws a random maze image.
func (m *maze) Generative(c *canva, rgba color.RGBA) {
func (m *maze) Generative(c *canva) {
ctex := gg.NewContextForRGBA(c.img)
ctex.SetColor(rgba)
ctex.SetLineWidth(3.0)
step := 20
ctex.SetColor(c.opts.background)
ctex.SetLineWidth(c.opts.lineWidth)
step := c.opts.step
for x := 0; x < c.width; x += step {
for y := 0; y < c.height; y += step {
if rand.Float32() > 0.5 {
ctex.DrawLine(float64(x), float64(y), float64(x+step), float64(y+step))
//ctex.Stroke()
} else {
ctex.DrawLine(float64(x+step), float64(y), float64(x), float64(y+step))
ctex.SetLineWidth(3.0)
//ctex.Stroke()
}
ctex.Stroke()
}

54
squaregrid.go Normal file
View file

@ -0,0 +1,54 @@
package generativeart
import (
"github.com/fogleman/gg"
"math/rand"
)
type girdSquares struct{}
// NewGirdSquares returns a grid squares generator.
func NewGirdSquares() *girdSquares {
return &girdSquares{}
}
// Generative draws a grid squares image.
func (g *girdSquares) Generative(c *canva) {
ctex := gg.NewContextForRGBA(c.img)
step := c.opts.step
rectSize := c.opts.rectLenSide
for x := 0; x < c.width; x += step {
for y := 0; y < c.height; y += step {
cl := c.opts.colorSchema[rand.Intn(255)]
x0 := float64(x)
y0 := float64(y)
s := float64(rectSize)
theta := rand.Intn(360) + 1
for i := 0; i < c.opts.nIters; i++ {
ctex.Push()
ctex.Translate(x0+float64(step/2), y0+float64(step/2))
ctex.Rotate(gg.Radians(float64(theta * i)))
ctex.Scale(s, s)
ctex.LineTo(-0.5, 0.5)
ctex.LineTo(0.5, 0.5)
ctex.LineTo(0.5, -0.5)
ctex.LineTo(-0.5, -0.5)
ctex.LineTo(-0.5, 0.5)
ctex.SetLineWidth(c.opts.lineWidth)
ctex.SetColor(c.opts.lineColor)
ctex.StrokePreserve()
ctex.SetRGBA255(int(cl.R), int(cl.G), int(cl.B), c.opts.alpha)
ctex.Fill()
ctex.Pop()
s = s - c.opts.decay*float64(rectSize)
}
}
}
}

31
wave.go
View file

@ -1,7 +1,6 @@
package generativeart
import (
"image/color"
"math"
"github.com/fogleman/gg"
@ -18,34 +17,26 @@ func NewWave(fn Formula) *wave {
return &wave{fn: fn}
}
// GenerativePolar draws the image in polar coordinate system.
func (w *wave) GenerativePolar(c *canva, rgba color.RGBA) {
// Generative draws the image.
func (w *wave) Generative(c *canva) {
ctex := gg.NewContextForRGBA(c.img)
for x := -math.Pi; x <= math.Pi; x += 0.01 {
for y := -math.Pi; y <= math.Pi; y += 0.01 {
xi, yi := w.fn(x, y)
i, j := ConvertCartesianToPolarPixel(xi, yi, c.xaixs, c.yaixs, c.height, c.width)
if i < 0 || i > c.width-1 || j < 0 || j > c.height-1 {
continue
}
ctex.DrawCircle(float64(i), float64(j), 1.0)
ctex.SetColor(rgba)
ctex.Fill()
//c.img.Set(i, j, rgba)
}
}
var i, j int
if c.opts.isPolarCoodinate {
i, j = ConvertCartesianToPolarPixel(xi, yi, c.xaixs, c.yaixs, c.height, c.width)
} else {
i, j = ConvertCartesianToPixel(xi, yi, c.xaixs, c.yaixs, c.height, c.width)
}
// Generative draws the image in cartesian coordinate system.
func (w *wave) Generative(c *canva, rgba color.RGBA) {
for x := -math.Pi; x <= math.Pi; x += 0.002 {
for y := -math.Pi; y <= math.Pi; y += 0.002 {
xi, yi := w.fn(x, y)
i, j := ConvertCartesianToPixel(xi, yi, c.xaixs, c.yaixs, c.height, c.width)
if i < 0 || i > c.width-1 || j < 0 || j > c.height-1 {
continue
}
c.img.Set(i, j, rgba)
ctex.DrawCircle(float64(i), float64(j), c.opts.radius)
ctex.SetColor(c.opts.foreground)
ctex.Fill()
}
}
}