mirror of https://github.com/odrling/Aegisub
124 lines
3.6 KiB
C++
124 lines
3.6 KiB
C++
// Copyright (c) 2008, Rodrigo Braz Monteiro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// -----------------------------------------------------------------------------
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//
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// AEGISUB/ATHENASUB
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//
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// Website: http://www.aegisub.net
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// Contact: mailto:amz@aegisub.net
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//
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#include "Athenasub.h"
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#include "colour.h"
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#include "utils.h"
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using namespace Athenasub;
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////////////////
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// Constructors
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Colour::Colour ()
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{
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r = g = b = a = 0;
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}
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Colour::Colour (unsigned char red,unsigned char green,unsigned char blue,unsigned char alpha)
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{
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r = red;
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g = green;
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b = blue;
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a = alpha;
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}
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Colour::Colour (int red,int green,int blue,int alpha)
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{
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SetRed(red);
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SetGreen(green);
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SetBlue(blue);
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SetAlpha(alpha);
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}
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////////////////////////
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// Set colour component
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void Colour::SetRed(int red) { r = (unsigned char) Mid(0,red,255); }
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void Colour::SetGreen(int green) { g = (unsigned char) Mid(0,green,255); }
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void Colour::SetBlue(int blue) { b = (unsigned char) Mid(0,blue,255); }
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void Colour::SetAlpha(int alpha) { a = (unsigned char) Mid(0,alpha,255); }
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//////////////
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// Parse text
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void Colour::Parse(String value,bool reverse)
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{
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// Prepare
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unsigned char c;
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char ostr[12];
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ostr[11]=0;
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unsigned long outval;
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int oindex=11;
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bool ishex=false;
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// Determines whether it is hexadecimal or decimal
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for(int i=(int)value.Length()-1;i>=0&&oindex>=0;i--) {
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c=(char) value[i];
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if (isxdigit(c) || c=='-') {
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ostr[--oindex] = c;
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if (c>='A') ishex = true;
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}
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else if (c == 'H' || c == 'h') ishex = true;
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}
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// Convert to decimal
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outval=strtoul(ostr+oindex,0,ishex?16:10);
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// Split components
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b = (unsigned char)(outval & 0xFF);
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g = (unsigned char)((outval>>8) & 0xFF);
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r = (unsigned char)((outval>>16)& 0xFF);
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a = (unsigned char)((outval>>24)& 0xFF);
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// Reverse
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if (reverse) {
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unsigned char aux = r;
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r = b;
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b = aux;
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}
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}
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/////////////////////////////
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// Generate Visual Basic hex
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String Colour::GetVBHex(bool withAlpha,bool withHeader,bool withFooter) const
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{
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String work;
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if (withHeader) work += "&H";
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if (withAlpha) work += wxString::Format(_T("%02X"),a);
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work += wxString::Format(_T("%02X%02X%02X"),b,g,r);
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if (withFooter) work += "&";
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return work;
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}
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