Aegisub/core/ass_style.cpp

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// Copyright (c) 2005, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// -----------------------------------------------------------------------------
//
// AEGISUB
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
////////////
// Includes
#include "ass_style.h"
#include <wx/tokenzr.h>
///////////////////////// AssColor //////////////////////////
////////////////
// Constructors
AssColor::AssColor () {
r=g=b=a=0;
}
AssColor::AssColor (wxColour &color) {
SetWXColor(color);
}
//////////////////
// Parse from ASS
void AssColor::ParseASS (const wxString _value) {
// Prepare
wxString value = _value;
value.Trim(false);
value.Trim(true);
value.UpperCase();
// Remove leading and ending crap
if (value.Left(1) == _T("&")) value = value.Mid(1);
if (value.Left(1) == _T("H")) value = value.Mid(1);
if (value.Right(1) == _T("&")) value = value.Left(value.Length()-1);
// Read colours
long temp[4] = { 0, 0, 0, 0 };
bool ok;
for (int i=0;i<4;i++) {
if (value.Length() > 0) {
ok = value.Right(2).ToLong(&temp[i],16);
if (!ok) temp[i] = 0;
value.Truncate(value.Length()-2);
}
else break;
}
// Copy
r = temp[0];
g = temp[1];
b = temp[2];
a = temp[3];
}
//////////////////
// Parse from SSA
void AssColor::ParseSSA (wxString value) {
value.Trim(true);
value.Trim(false);
// Check if the moron who wrote it used ASS style in SSA
if (value.Left(2) == _T("&H")) {
ParseASS(value);
return;
}
// Parse SSA
long val;
value.ToLong(&val);
b = (val >> 16) & 0xFF;
g = (val >> 8) & 0xFF;
r = val & 0xFF;
a = 0;
}
///////////////////
// Gets a wxColour
wxColour AssColor::GetWXColor() {
return wxColour(r,g,b);
}
//////////////////////
// Sets color from wx
void AssColor::SetWXColor(wxColor &color) {
r = color.Red();
g = color.Green();
b = color.Blue();
}
///////////////////////////////
// Get formatted in ASS format
wxString AssColor::GetASSFormatted (bool alpha,bool stripped,bool isStyle) {
wxString work;
if (!stripped) work += _T("&H");
if (alpha) work += wxString::Format(_T("%02X"),a);
work += wxString::Format(_T("%02X%02X%02X"),b,g,r);
if (!stripped && !isStyle) work += _T("&");
return work;
}
/////////////////////////
// Get decimal formatted
wxString AssColor::GetSSAFormatted () {
return wxString::Format(_T("%i"),(b<<16)+(g<<8)+r);
}
///////////////////////// AssStyle /////////////////////////
///////////////////////
// Default Constructor
AssStyle::AssStyle() {
group = _T("[V4+ Styles]");
name = _T("Default");
font = _T("Arial");
fontsize = 20;
primary.r = 255;
primary.g = 255;
primary.b = 255;
primary.a = 0;
secondary.r = 255;
secondary.g = 255;
secondary.b = 0;
secondary.a = 0;
outline.r = 0;
outline.g = 0;
outline.b = 0;
outline.a = 0;
shadow.r = 0;
shadow.g = 0;
shadow.b = 0;
shadow.a = 0;
bold = false;
italic = false;
underline = false;
strikeout = false;
scalex = 100;
scaley = 100;
spacing = 0;
angle = 0.0;
borderstyle = 1;
outline_w = 2.0;
shadow_w = 2.0;
alignment = 2;
MarginL = 10;
MarginR = 10;
MarginV = 10;
encoding = 0;
UpdateData();
}
///////////////
// Constructor
AssStyle::AssStyle(wxString _data,bool IsSSA) {
Valid = Parse(_data,IsSSA);
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if (!Valid) {
throw _T("[Error] Failed parsing line.");
}
UpdateData();
}
//////////////
// Destructor
AssStyle::~AssStyle() {
}
//////////////////////////////
// Parses value from ASS data
bool AssStyle::Parse(wxString rawData,bool IsSSA) {
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wxString temp;
long templ;
wxStringTokenizer tkn(rawData.Mid(6),_T(","),wxTOKEN_RET_EMPTY_ALL);
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// Read name
if (!tkn.HasMoreTokens()) return false;
name = tkn.GetNextToken();
name.Trim(true);
name.Trim(false);
// Read font name
if (!tkn.HasMoreTokens()) return false;
font = tkn.GetNextToken();
font.Trim(true);
font.Trim(false);
// Read font size
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToLong(&templ);
fontsize = templ;
if (!IsSSA) {
// Read primary color
if (!tkn.HasMoreTokens()) return false;
primary.ParseASS(tkn.GetNextToken());
// Read secondary color
if (!tkn.HasMoreTokens()) return false;
secondary.ParseASS(tkn.GetNextToken());
// Read outline color
if (!tkn.HasMoreTokens()) return false;
outline.ParseASS(tkn.GetNextToken());
// Read shadow color
if (!tkn.HasMoreTokens()) return false;
shadow.ParseASS(tkn.GetNextToken());
}
else {
// Read primary color
if (!tkn.HasMoreTokens()) return false;
primary.ParseSSA(tkn.GetNextToken());
// Read secondary color
if (!tkn.HasMoreTokens()) return false;
secondary.ParseSSA(tkn.GetNextToken());
// Read and discard tertiary color
if (!tkn.HasMoreTokens()) return false;
tkn.GetNextToken();
// Read shadow/outline color
if (!tkn.HasMoreTokens()) return false;
outline.ParseSSA(tkn.GetNextToken());
shadow = outline;
}
// Read bold
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToLong(&templ);
bold = true;
if (templ == 0) bold = false;
// Read italics
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken(); temp.ToLong(&templ);
italic = true;
if (templ == 0) italic = false;
if (!IsSSA) {
// Read underline
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToLong(&templ);
underline = true;
if (templ == 0) underline = false;
// Read strikeout
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToLong(&templ);
strikeout = true;
if (templ == 0) strikeout = false;
// Read scale x
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToLong(&templ);
scalex = templ;
// Read scale y
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToLong(&templ);
scaley = templ;
// Read spacing
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToDouble(&spacing);
//spacing = templ;
// Read angle
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToDouble(&angle);
}
else {
// SSA defaults
shadow.a = 128;
underline = false;
strikeout = false;
scalex = 100;
scaley = 100;
spacing = 0;
angle = 0.0;
}
// Read border style
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToLong(&templ);
borderstyle = templ;
// Read outline width
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToDouble(&outline_w);
// Read shadow width
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToDouble(&shadow_w);
// Read alignment
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToLong(&templ);
if (IsSSA) {
switch(templ) {
case 1: alignment = 1; break;
case 2: alignment = 2; break;
case 3: alignment = 3; break;
case 5: alignment = 7; break;
case 6: alignment = 8; break;
case 7: alignment = 9; break;
case 9: alignment = 4; break;
case 10: alignment = 5; break;
case 11: alignment = 6; break;
default: alignment = 2; break;
}
}
else alignment = templ;
// Read left margin
if (!tkn.HasMoreTokens()) return false;
SetMarginString(tkn.GetNextToken(),1);
// Read right margin
if (!tkn.HasMoreTokens()) return false;
SetMarginString(tkn.GetNextToken(),2);
// Read vertical margin
if (!tkn.HasMoreTokens()) return false;
SetMarginString(tkn.GetNextToken(),3);
if (IsSSA) {
// Read alpha level
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
}
// Read encoding
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToLong(&templ);
encoding = templ;
// End
if (tkn.HasMoreTokens()) return false;
return true;
}
//////////////////////////////////
// Writes data back to ASS format
void AssStyle::UpdateData() {
// Prepare
wxString final = _T("Style: ");
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// Write all final
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name.Replace(_T(","),_T(";"));
font.Replace(_T(","),_T(";"));
final += name + _T(",");
final += font + _T(",");
final += wxString::Format(_T("%i"),fontsize) + _T(",");
final += primary.GetASSFormatted(true,false,true) + _T(",");
final += secondary.GetASSFormatted(true,false,true) + _T(",");
final += outline.GetASSFormatted(true,false,true) + _T(",");
final += shadow.GetASSFormatted(true,false,true) + _T(",");
final += wxString::Format(_T("%i"),bold?-1:0) + _T(",");
final += wxString::Format(_T("%i"),italic?-1:0) + _T(",");
final += wxString::Format(_T("%i"),underline?-1:0) + _T(",");
final += wxString::Format(_T("%i"),strikeout?-1:0) + _T(",");
final += wxString::Format(_T("%i"),scalex) + _T(",");
final += wxString::Format(_T("%i"),scaley) + _T(",");
final += wxString::Format(_T("%.2f"),spacing) + _T(",");
final += wxString::Format(_T("%.2f"),angle) + _T(",");
final += wxString::Format(_T("%i"),borderstyle) + _T(",");
final += wxString::Format(_T("%.2f"),outline_w) + _T(",");
final += wxString::Format(_T("%.2f"),shadow_w) + _T(",");
final += wxString::Format(_T("%i"),alignment) + _T(",");
final += wxString::Format(_T("%i"),MarginL) + _T(",");
final += wxString::Format(_T("%i"),MarginR) + _T(",");
final += wxString::Format(_T("%i"),MarginV) + _T(",");
final += wxString::Format(_T("%i"),encoding);
SetEntryData(final);
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}
/////////////////////////////
// Sets margin from a string
void AssStyle::SetMarginString(const wxString str,int which) {
wxString work = str;
work.Trim(false);
work.Trim(true);
if (!work.IsNumber()) throw _T("Invalid margin value");
long value;
work.ToLong(&value);
if (value < 0) value = 0;
if (value > 9999) value = 9999;
switch (which) {
case 1: MarginL = value; break;
case 2: MarginR = value; break;
case 3: MarginV = value; break;
default: throw _T("Invalid margin");
}
}
//////////////////////////
// Gets string for margin
wxString AssStyle::GetMarginString(int which) {
int value;
switch (which) {
case 1: value = MarginL; break;
case 2: value = MarginR; break;
case 3: value = MarginV; break;
default: throw _T("Invalid margin");
}
wxString result = wxString::Format(_T("%04i"),value);
return result;
}
///////////////////////////////
// Convert style to SSA string
wxString AssStyle::GetSSAText() {
// Prepare
wxString output = _T("Style: ");
// Write all data
name.Replace(_T(","),_T(";"));
font.Replace(_T(","),_T(";"));
output += name + _T(",");
output += font + _T(",");
output += wxString::Format(_T("%i"),fontsize) + _T(",");
output += primary.GetSSAFormatted() + _T(",");
output += secondary.GetSSAFormatted() + _T(",");
output += _T("0,");
output += shadow.GetSSAFormatted() + _T(",");
output += wxString::Format(_T("%i"),bold?-1:0) + _T(",");
output += wxString::Format(_T("%i"),italic?-1:0) + _T(",");
output += wxString::Format(_T("%i"),borderstyle) + _T(",");
output += wxString::Format(_T("%.2f"),outline_w) + _T(",");
output += wxString::Format(_T("%.2f"),shadow_w) + _T(",");
int align = 0;
switch (alignment) {
case 1: align = 1; break;
case 2: align = 2; break;
case 3: align = 3; break;
case 4: align = 9; break;
case 5: align = 10; break;
case 6: align = 11; break;
case 7: align = 5; break;
case 8: align = 6; break;
case 9: align = 7; break;
}
output += wxString::Format(_T("%i"),align) + _T(",");
output += wxString::Format(_T("%i"),MarginL) + _T(",");
output += wxString::Format(_T("%i"),MarginR) + _T(",");
output += wxString::Format(_T("%i"),MarginV) + _T(",");
output += _T("0,");
output += wxString::Format(_T("%i"),encoding);
return output;
}
/////////
// Clone
AssEntry *AssStyle::Clone() {
// Create clone
AssStyle *final = new AssStyle();
// Copy data
final->group = group;
final->StartMS = StartMS;
final->Valid = Valid;
final->alignment = alignment;
final->angle = angle;
final->bold = bold;
final->borderstyle = borderstyle;
final->encoding = encoding;
final->font = font;
final->fontsize = fontsize;
final->italic = italic;
final->MarginL = MarginL;
final->MarginR = MarginR;
final->MarginV = MarginV;
final->name = name;
final->outline = outline;
final->outline_w = outline_w;
final->primary = primary;
final->scalex = scalex;
final->scaley = scaley;
final->secondary = secondary;
final->shadow = shadow;
final->spacing = spacing;
final->strikeout = strikeout;
final->underline = underline;
final->SetEntryData(GetEntryData());
// Return
return final;
}