Aegisub/aegisub/src/ass_style.cpp
Thomas Goyne 46be23073e Fix a few gcc warnings
Originally committed to SVN as r4722.
2010-08-02 20:25:29 +00:00

578 lines
14 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 Project http://www.aegisub.org/
//
// $Id$
/// @file ass_style.cpp
/// @brief Class for style definitions in subtitles
/// @ingroup subs_storage
///
#include "config.h"
#ifndef AGI_PRE
#include <ctype.h>
#include <wx/intl.h>
#include <wx/tokenzr.h>
#endif
#include "ass_style.h"
#include "utils.h"
AssColor::AssColor () {
r=g=b=a=0;
}
AssColor::AssColor(int r, int g, int b, int a)
: r(r)
, g(g)
, b(b)
, a(a)
{
}
/// @brief DOCME
/// @param color
///
AssColor::AssColor (const wxColour &color) {
SetWXColor(color);
}
/// @brief Parse from SSA/ASS
/// @param value
void AssColor::Parse(const wxString value) {
if (value.Len() > 0 && value[0] == _T('#')) {
// HTML colour
SetWXColor(wxColor(value));
return;
}
// Prepare
char c,ostr[12];
unsigned long outval;
int oindex=11;
bool ishex=false;
ostr[11]=0;
for(unsigned char i = value.Len(); i > 0 && oindex >= 0; i--) {
c=value[i - 1];
if (isxdigit(c) || c=='-') {
ostr[--oindex] = c;
if (c>='A') ishex = true;
}
else if (c == 'H' || c == 'h') ishex = true;
}
outval=strtoul(ostr+oindex,0,ishex?16:10);
r = outval & 0xFF;
g = (outval>>8) & 0xFF;
b = (outval>>16)& 0xFF;
a = (outval>>24)& 0xFF;
}
/// @brief Gets a wxColour
/// @return
wxColour AssColor::GetWXColor() {
return wxColour(r,g,b,255-a);
}
/// @brief Sets color from wx
/// @param color
void AssColor::SetWXColor(const wxColor &color) {
r = color.Red();
g = color.Green();
b = color.Blue();
//a = color.Alpha();
}
/// @brief Get formatted in ASS format
/// @param alpha
/// @param stripped
/// @param isStyle
/// @return
wxString AssColor::GetASSFormatted(bool alpha,bool stripped,bool isStyle) const {
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;
}
/// @brief Get decimal formatted
/// @return
wxString AssColor::GetSSAFormatted() const {
long color = (a<<24)+(b<<16)+(g<<8)+r;
wxString output=wxString::Format(_T("%i"),(long)color);
return output;
}
bool AssColor::operator==(const AssColor &col) const {
return r==col.r && g==col.g && b==col.b && a==col.a;
}
bool AssColor::operator!=(const AssColor &col) const {
return !(*this == col);
}
AssStyle::AssStyle()
: name(L"Default")
, font(L"Arial")
, fontsize(20.)
, primary(255, 255, 255)
, secondary(255, 0, 0)
, outline(0, 0, 0)
, shadow(0, 0, 0)
, bold(false)
, italic(false)
, underline(false)
, strikeout(false)
, scalex(100.)
, scaley(100.)
, spacing(0.)
, angle(0.)
, borderstyle(1)
, outline_w(2.)
, shadow_w(2.)
, alignment(2)
, encoding(1)
, relativeTo(1)
{
group = L"[V4+ Styles]";
for (int i = 0; i < 4; i++)
Margin[i] = 10;
UpdateData();
}
AssStyle::AssStyle(const AssStyle& s)
: AssEntry(s)
, name(s.name)
, font(s.font)
, fontsize(s.fontsize)
, primary(s.primary)
, secondary(s.secondary)
, outline(s.outline)
, shadow(s.shadow)
, bold(s.bold)
, italic(s.italic)
, underline(s.underline)
, strikeout(s.strikeout)
, scalex(s.scalex)
, scaley(s.scaley)
, spacing(s.spacing)
, angle(s.angle)
, borderstyle(s.borderstyle)
, outline_w(s.outline_w)
, shadow_w(s.outline_w)
, alignment(s.alignment)
, encoding(s.encoding)
, relativeTo(s.relativeTo)
{
group = L"[V4+ Styles]";
memcpy(Margin, s.Margin, sizeof(Margin));
SetEntryData(s.GetEntryData());
}
AssStyle::AssStyle(wxString _data,int version) {
Valid = Parse(_data,version);
if (!Valid) {
throw _T("[Error] Failed parsing line.");
}
UpdateData();
}
AssStyle::~AssStyle() {
}
/// @brief Parses value from ASS data
/// @param rawData
/// @param version
/// @return
///
bool AssStyle::Parse(wxString rawData,int version) {
// Tokenize
wxString temp;
long templ;
wxStringTokenizer tkn(rawData.Trim(false).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;
}
/// @brief 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,%g,%s,%s,%s,%s,%d,%d,%d,%d,%g,%g,%g,%g,%d,%g,%g,%i,%i,%i,%i,%i"),
name.c_str(), font.c_str(), fontsize,
primary.GetASSFormatted(true,false,true).c_str(),
secondary.GetASSFormatted(true,false,true).c_str(),
outline.GetASSFormatted(true,false,true).c_str(),
shadow.GetASSFormatted(true,false,true).c_str(),
(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);
}
/// @brief Sets margin from a string
/// @param str
/// @param which
///
void AssStyle::SetMarginString(const wxString str,int which) {
if (which < 0 || which >= 4) throw Aegisub::InvalidMarginIdError();
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;
}
/// @brief Gets string for margin
/// @param which
/// @return
///
wxString AssStyle::GetMarginString(int which) const {
if (which < 0 || which >= 4) throw Aegisub::InvalidMarginIdError();
wxString result = wxString::Format(_T("%04i"),Margin[which]);
return result;
}
/// @brief Convert style to SSA string
/// @return
///
wxString AssStyle::GetSSAText() const {
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;
}
wxString n = name;
n.Replace(L",", L";");
wxString f = font;
f.Replace(L",", L";");
output = wxString::Format(_T("Style: %s,%s,%g,%s,%s,0,%s,%d,%d,%d,%g,%g,%d,%d,%d,%d,0,%i"),
n.c_str(), f.c_str(), fontsize,
primary.GetSSAFormatted().c_str(),
secondary.GetSSAFormatted().c_str(),
shadow.GetSSAFormatted().c_str(),
(bold? -1 : 0), (italic ? -1 : 0),
borderstyle,outline_w,shadow_w,align,
Margin[0],Margin[1],Margin[2],encoding);
return output;
}
/// @brief Clone
/// @return
///
AssEntry *AssStyle::Clone() const {
return new AssStyle(*this);
}
/// @brief Equal to another style?
/// @param style
/// @return
///
bool AssStyle::IsEqualTo(AssStyle *style) const {
// memcmp won't work because strings won't match
if (style->alignment != alignment ||
style->angle != angle ||
style->bold != bold ||
style->borderstyle != borderstyle ||
style->encoding != encoding ||
style->font != font ||
style->fontsize != fontsize ||
style->italic != italic ||
style->Margin[0] != Margin[0] ||
style->Margin[1] != Margin[1] ||
style->Margin[2] != Margin[2] ||
style->Margin[3] != Margin[3] ||
style->name != name ||
style->outline != outline ||
style->outline_w != outline_w ||
style->primary != primary ||
style->scalex != scalex ||
style->scaley != scaley ||
style->secondary != secondary ||
style->shadow != shadow ||
style->shadow_w != shadow_w ||
style->spacing != spacing ||
style->strikeout != strikeout ||
style->underline != underline ||
style->relativeTo != relativeTo)
return false;
else return true;
}
/// @brief Get a list of valid ASS encodings
/// @param encodingStrings
///
void AssStyle::GetEncodings(wxArrayString &encodingStrings) {
encodingStrings.Clear();
encodingStrings.Add(wxString(_T("0 - ")) + _("ANSI"));
encodingStrings.Add(wxString(_T("1 - ")) + _("Default"));
encodingStrings.Add(wxString(_T("2 - ")) + _("Symbol"));
encodingStrings.Add(wxString(_T("77 - ")) + _("Mac"));
encodingStrings.Add(wxString(_T("128 - ")) + _("Shift_JIS"));
encodingStrings.Add(wxString(_T("129 - ")) + _("Hangeul"));
encodingStrings.Add(wxString(_T("130 - ")) + _("Johab"));
encodingStrings.Add(wxString(_T("134 - ")) + _("GB2312"));
encodingStrings.Add(wxString(_T("136 - ")) + _("Chinese BIG5"));
encodingStrings.Add(wxString(_T("161 - ")) + _("Greek"));
encodingStrings.Add(wxString(_T("162 - ")) + _("Turkish"));
encodingStrings.Add(wxString(_T("163 - ")) + _("Vietnamese"));
encodingStrings.Add(wxString(_T("177 - ")) + _("Hebrew"));
encodingStrings.Add(wxString(_T("178 - ")) + _("Arabic"));
encodingStrings.Add(wxString(_T("186 - ")) + _("Baltic"));
encodingStrings.Add(wxString(_T("204 - ")) + _("Russian"));
encodingStrings.Add(wxString(_T("222 - ")) + _("Thai"));
encodingStrings.Add(wxString(_T("238 - ")) + _("East European"));
encodingStrings.Add(wxString(_T("255 - ")) + _("OEM"));
}