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Aegisub/aegisub/src/ass_style.cpp
Thomas Goyne a1fad1f947 Drop support for ASS2 
It is very unlikely that anyone has ever actually used ASS2 for
anything, and in practice it was not usable anyway as the bottom margin
was always either ignored or blindly overwritten.
2012-10-12 14:54:08 -07:00

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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 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)
{
}
AssColor::AssColor(const wxColour &color)
: a(0)
{
SetWXColor(color);
}
/// @brief Parse from SSA/ASS
/// @param value
void AssColor::Parse(wxString const& value) {
if (value.size() > 0 && value[0] == '#') {
// HTML colour
SetWXColor(wxColor(value));
return;
}
// Prepare
char ostr[12];
int oindex = 11;
bool ishex = false;
ostr[11] = 0;
for(size_t i = value.size(); i > 0 && oindex >= 0; i--) {
unsigned char c = value[i - 1];
if (isxdigit(c) || c == '-') {
ostr[--oindex] = c;
if (c >= 'A')
ishex = true;
}
else if (c == 'H' || c == 'h')
ishex = true;
}
unsigned long 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() const {
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 += "&H";
if (alpha) work += wxString::Format("%02X",a);
work += wxString::Format("%02X%02X%02X",b,g,r);
if (!stripped && !isStyle) work += "&";
return work;
}
/// @brief Get decimal formatted
/// @return
wxString AssColor::GetSSAFormatted() const {
long color = (a<<24)+(b<<16)+(g<<8)+r;
wxString output=wxString::Format("%li",(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()
: AssEntry(wxString(), wxS("[V4+ Styles]"))
, name("Default")
, font("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)
{
for (int i = 0; i < 4; i++)
Margin[i] = 10;
UpdateData();
}
static wxString get_next_string(wxStringTokenizer &tok) {
if (!tok.HasMoreTokens()) throw "Malformed style: not enough fields";
return tok.GetNextToken();
}
static int get_next_int(wxStringTokenizer &tok) {
long temp;
if (!get_next_string(tok).ToLong(&temp))
throw "Malformed style: could not parse int field";
return temp;
}
static double get_next_double(wxStringTokenizer &tok) {
double temp;
if (!get_next_string(tok).ToDouble(&temp))
throw "Malformed style: could not parse double field";
return temp;
}
AssStyle::AssStyle(wxString rawData, int version)
: AssEntry(wxString(), wxS("[V4+ Styles]"))
{
wxStringTokenizer tkn(rawData.Trim(false).Mid(6), ",", wxTOKEN_RET_EMPTY_ALL);
name = get_next_string(tkn).Trim(true).Trim(false);
font = get_next_string(tkn).Trim(true).Trim(false);
fontsize = get_next_double(tkn);
if (version != 0) {
primary.Parse(get_next_string(tkn));
secondary.Parse(get_next_string(tkn));
outline.Parse(get_next_string(tkn));
shadow.Parse(get_next_string(tkn));
}
else {
primary.Parse(get_next_string(tkn));
secondary.Parse(get_next_string(tkn));
// Read and discard tertiary color
get_next_string(tkn);
// Read shadow/outline color
outline.Parse(get_next_string(tkn));
shadow = outline;
}
bold = !!get_next_int(tkn);
italic = !!get_next_int(tkn);
if (version != 0) {
underline = !!get_next_int(tkn);
strikeout = !!get_next_int(tkn);
scalex = get_next_double(tkn);
scaley = get_next_double(tkn);
spacing = get_next_double(tkn);
angle = get_next_double(tkn);
}
else {
// SSA defaults
underline = false;
strikeout = false;
scalex = 100;
scaley = 100;
spacing = 0;
angle = 0.0;
}
borderstyle = get_next_int(tkn);
outline_w = get_next_double(tkn);
shadow_w = get_next_double(tkn);
alignment = get_next_int(tkn);
if (version == 0)
alignment = SsaToAss(alignment);
// Read left margin
Margin[0] = mid(0, get_next_int(tkn), 9999);
// Read right margin
Margin[1] = mid(0, get_next_int(tkn), 9999);
// Read vertical margin
Margin[2] = mid(0, get_next_int(tkn), 9999);
// Skip alpha level
if (version == 0)
get_next_string(tkn);
// Read encoding
encoding = get_next_int(tkn);
if (tkn.HasMoreTokens())
throw "Malformed style: too many fields";
UpdateData();
}
AssStyle& AssStyle::operator=(AssStyle const& rgt) {
name = rgt.name;
font = rgt.font;
fontsize = rgt.fontsize;
primary = rgt.primary;
secondary = rgt.secondary;
outline = rgt.outline;
shadow = rgt.shadow;
bold = rgt.bold;
italic = rgt.italic;
underline = rgt.underline;
strikeout = rgt.strikeout;
scalex = rgt.scalex;
scaley = rgt.scaley;
spacing = rgt.spacing;
angle = rgt.angle;
borderstyle = rgt.borderstyle;
outline_w = rgt.outline_w;
shadow_w = rgt.shadow_w;
alignment = rgt.alignment;
encoding = rgt.encoding;
memcpy(Margin, rgt.Margin, sizeof(Margin));
SetEntryData(rgt.GetEntryData());
return *this;
}
void AssStyle::UpdateData() {
wxString final;
name.Replace(",",";");
font.Replace(",",";");
final = wxString::Format("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, 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);
}
wxString AssStyle::GetSSAText() const {
wxString output;
int align = AssToSsa(alignment);
wxString n = name;
n.Replace(",", ";");
wxString f = font;
f.Replace(",", ";");
output = wxString::Format("Style: %s,%s,%g,%s,%s,0,%s,%d,%d,%d,%g,%g,%d,%d,%d,%d,0,%i",
n, f, 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;
}
AssEntry *AssStyle::Clone() const {
return new AssStyle(*this);
}
void AssStyle::GetEncodings(wxArrayString &encodingStrings) {
encodingStrings.Clear();
encodingStrings.Add(wxString("0 - ") + _("ANSI"));
encodingStrings.Add(wxString("1 - ") + _("Default"));
encodingStrings.Add(wxString("2 - ") + _("Symbol"));
encodingStrings.Add(wxString("77 - ") + _("Mac"));
encodingStrings.Add(wxString("128 - ") + _("Shift_JIS"));
encodingStrings.Add(wxString("129 - ") + _("Hangeul"));
encodingStrings.Add(wxString("130 - ") + _("Johab"));
encodingStrings.Add(wxString("134 - ") + _("GB2312"));
encodingStrings.Add(wxString("136 - ") + _("Chinese BIG5"));
encodingStrings.Add(wxString("161 - ") + _("Greek"));
encodingStrings.Add(wxString("162 - ") + _("Turkish"));
encodingStrings.Add(wxString("163 - ") + _("Vietnamese"));
encodingStrings.Add(wxString("177 - ") + _("Hebrew"));
encodingStrings.Add(wxString("178 - ") + _("Arabic"));
encodingStrings.Add(wxString("186 - ") + _("Baltic"));
encodingStrings.Add(wxString("204 - ") + _("Russian"));
encodingStrings.Add(wxString("222 - ") + _("Thai"));
encodingStrings.Add(wxString("238 - ") + _("East European"));
encodingStrings.Add(wxString("255 - ") + _("OEM"));
}
int AssStyle::AssToSsa(int ass_align) {
switch (ass_align) {
case 1: return 1;
case 2: return 2;
case 3: return 3;
case 4: return 9;
case 5: return 10;
case 6: return 11;
case 7: return 5;
case 8: return 6;
case 9: return 7;
default: return 2;
}
}
int AssStyle::SsaToAss(int ssa_align) {
switch(ssa_align) {
case 1: return 1;
case 2: return 2;
case 3: return 3;
case 5: return 7;
case 6: return 8;
case 7: return 9;
case 9: return 4;
case 10: return 5;
case 11: return 6;
default: return 2;
}
}
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