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Aegisub/aegisub/src/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 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 < 3; 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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