Aegisub/aegisub/ass_style.cpp

518 lines
12 KiB
C++

// 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 <wx/tokenzr.h>
#include "ass_style.h"
#include "utils.h"
///////////////////////// AssColor //////////////////////////
////////////////
// Constructors
AssColor::AssColor () {
r=g=b=a=0;
}
AssColor::AssColor (wxColour &color) {
SetWXColor(color);
}
//////////////////
// Parse from SSA/ASS
void AssColor::Parse(const wxString value) {
// Prepare
char c,ostr[12];
unsigned long outval;
int oindex=11;
bool ishex=false,isneg=false;
ostr[11]=0;
for(int i=value.Len()-1;i>=0&&oindex>=0;i--) {
c=value[i];
if ((c >= 48 && c <= 57) || (c >= 65 && c <= 70) || (c >= 97 && c <= 102)) {
ostr[--oindex] = c;
if (c>=65) ishex = true;
}
else if (c == 'H' || c == 'h') ishex = true;
else if (c==45) isneg=true;
}
outval=strtoul(ostr+oindex,0,ishex?16:10);
if (isneg) outval+=2147483648; //2^31 (MSB)
r = outval & 0xFF;
g = (outval>>8) & 0xFF;
b = (outval>>16)& 0xFF;
a = (outval>>24)& 0xFF;
}
///////////////////
// Gets a wxColour
wxColour AssColor::GetWXColor() {
return wxColour(r,g,b,a);
}
//////////////////////
// Sets color from wx
void AssColor::SetWXColor(const wxColor &color) {
r = color.Red();
g = color.Green();
b = color.Blue();
//a = color.Alpha();
}
///////////////////////////////
// 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 () {
long color = ((a&127)<<24)+(b<<16)+(g<<8)+r;
if ((a&128)!=0) color = 0-color;
wxString output=wxString::Format(_T("%i"),(long)color);
return output;
}
///////////////////////// 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;
Margin[0] = 10;
Margin[1] = 10;
Margin[2] = 10;
Margin[3] = 10;
encoding = 0;
relativeTo = 1;
UpdateData();
}
///////////////
// Constructor
AssStyle::AssStyle(wxString _data,int version) {
Valid = Parse(_data,version);
if (!Valid) {
throw _T("[Error] Failed parsing line.");
}
UpdateData();
}
//////////////
// Destructor
AssStyle::~AssStyle() {
}
//////////////////////////////
// Parses value from ASS data
bool AssStyle::Parse(wxString rawData,int version) {
// Tokenize
wxString temp;
long templ;
wxStringTokenizer tkn(rawData.Mid(6),_T(","),wxTOKEN_RET_EMPTY_ALL);
// 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 (version != 0) {
// Read primary color
if (!tkn.HasMoreTokens()) return false;
primary.Parse(tkn.GetNextToken());
// Read secondary color
if (!tkn.HasMoreTokens()) return false;
secondary.Parse(tkn.GetNextToken());
// Read outline color
if (!tkn.HasMoreTokens()) return false;
outline.Parse(tkn.GetNextToken());
// Read shadow color
if (!tkn.HasMoreTokens()) return false;
shadow.Parse(tkn.GetNextToken());
}
else {
// Read primary color
if (!tkn.HasMoreTokens()) return false;
primary.Parse(tkn.GetNextToken());
// Read secondary color
if (!tkn.HasMoreTokens()) return false;
secondary.Parse(tkn.GetNextToken());
// Read and discard tertiary color
if (!tkn.HasMoreTokens()) return false;
tkn.GetNextToken();
// Read shadow/outline color
if (!tkn.HasMoreTokens()) return false;
outline.Parse(tkn.GetNextToken());
shadow = outline;
}
// Read bold
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToLong(&templ);
bold = (templ==0)?false:true;
// Read italics
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken(); temp.ToLong(&templ);
italic = (templ==0)?false:true;
if (version != 0) {
// Read underline
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToLong(&templ);
underline = (templ==0)?false:true;
// Read strikeout
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToLong(&templ);
strikeout = (templ==0)?false:true;
// Read scale x
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToDouble(&scalex);
//scalex = templ;
// Read scale y
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToDouble(&scaley);
//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; //Parsed
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 (version == 0) {
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(),0);
// Read right margin
if (!tkn.HasMoreTokens()) return false;
SetMarginString(tkn.GetNextToken(),1);
// Read top margin
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
SetMarginString(temp,2);
// Read bottom margin
if (version == 2) {
if (!tkn.HasMoreTokens()) return false;
SetMarginString(tkn.GetNextToken(),3);
}
else SetMarginString(temp,3);
// Read alpha level
if (version == 0) {
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
}
// Read encoding
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToLong(&templ);
encoding = templ;
// Read relative to
if (version == 2) {
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
temp.ToLong(&templ);
relativeTo = templ;
}
// End
if (tkn.HasMoreTokens()) return false;
return true;
}
///////////////////////////////////////
// Writes data back to ASS (v4+) format
void AssStyle::UpdateData() {
wxString final;
name.Replace(_T(","),_T(";"));
font.Replace(_T(","),_T(";"));
final = wxString::Format(_T("Style: %s,%s,%.0f,%s,%s,%s,%s,%d,%d,%d,%d,%.0f,%.0f,%.0f,%.0f,%d,%.0f,%.0f,%i,%i,%i,%i,%i"),
name, font, fontsize,
primary.GetASSFormatted(true,false,true),
secondary.GetASSFormatted(true,false,true),
outline.GetASSFormatted(true,false,true),
shadow.GetASSFormatted(true,false,true),
(bold? -1 : 0), (italic ? -1 : 0),
(underline?-1:0),(strikeout?-1:0),
scalex,scaley,spacing,angle,
borderstyle,outline_w,shadow_w,alignment,
Margin[0],Margin[1],Margin[2],encoding);
SetEntryData(final);
}
/////////////////////////////
// Sets margin from a string
void AssStyle::SetMarginString(const wxString str,int which) {
if (which < 0 || which >= 4) throw _T("Invalid margin");
if (!str.IsNumber()) throw _T("Invalid margin value");
long value;
str.ToLong(&value);
if (value < 0) value = 0;
else if (value > 9999) value = 9999;
Margin[which] = value;
}
//////////////////////////
// Gets string for margin
wxString AssStyle::GetMarginString(int which) {
if (which < 0 || which >= 4) throw _T("Invalid margin");
wxString result = wxString::Format(_T("%04i"),Margin[which]);
return result;
}
///////////////////////////////
// Convert style to SSA string
wxString AssStyle::GetSSAText() {
wxString output;
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;
}
name.Replace(_T(","),_T(";"));
font.Replace(_T(","),_T(";"));
output = wxString::Format(_T("Style: %s,%s,%.0f,%s,%s,0,%s,%d,%d,%d,%.0f,%.0f,%d,%d,%d,%d,0,%i"),
name, font, fontsize,
primary.GetSSAFormatted(),
secondary.GetSSAFormatted(),
shadow.GetSSAFormatted(),
(bold? -1 : 0), (italic ? -1 : 0),
borderstyle,outline_w,shadow_w,align,
Margin[0],Margin[1],Margin[2],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->Margin[0] = Margin[0];
final->Margin[1] = Margin[1];
final->Margin[2] = Margin[2];
final->Margin[3] = Margin[3];
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->shadow_w = shadow_w;
final->spacing = spacing;
final->strikeout = strikeout;
final->underline = underline;
final->relativeTo = relativeTo;
final->SetEntryData(GetEntryData());
// Return
return final;
}