71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include "config.h"
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#include "terminal/named-colors.h"
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#include "terminal/palette.h"
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#include <stdio.h>
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int guac_terminal_xparsecolor(const char* spec,
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guac_terminal_color* color) {
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int red;
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int green;
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int blue;
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/* 12-bit RGB ("rgb:h/h/h"), zero-padded to 24-bit */
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if (sscanf(spec, "rgb:%1x/%1x/%1x", &red, &green, &blue) == 3) {
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color->red = red << 4;
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color->green = green << 4;
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color->blue = blue << 4;
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return 0;
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}
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/* 24-bit RGB ("rgb:hh/hh/hh") */
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if (sscanf(spec, "rgb:%2x/%2x/%2x", &red, &green, &blue) == 3) {
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color->red = red;
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color->green = green;
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color->blue = blue;
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return 0;
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}
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/* 36-bit RGB ("rgb:hhh/hhh/hhh"), truncated to 24-bit */
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if (sscanf(spec, "rgb:%3x/%3x/%3x", &red, &green, &blue) == 3) {
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color->red = red >> 4;
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color->green = green >> 4;
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color->blue = blue >> 4;
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return 0;
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}
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/* 48-bit RGB ("rgb:hhhh/hhhh/hhhh"), truncated to 24-bit */
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if (sscanf(spec, "rgb:%4x/%4x/%4x", &red, &green, &blue) == 3) {
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color->red = red >> 8;
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color->green = green >> 8;
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color->blue = blue >> 8;
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return 0;
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}
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/* Invalid color spec */
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return 1;
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}
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