aseprite/src/app/commands/cmd_change_pixel_format.cpp
2017-05-15 15:21:02 -03:00

114 lines
2.8 KiB
C++

// Aseprite
// Copyright (C) 2001-2017 David Capello
//
// This program is distributed under the terms of
// the End-User License Agreement for Aseprite.
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "app/app.h"
#include "app/commands/command.h"
#include "app/commands/params.h"
#include "app/context_access.h"
#include "app/document_api.h"
#include "app/modules/gui.h"
#include "app/modules/palettes.h"
#include "app/transaction.h"
#include "doc/dithering_method.h"
#include "doc/image.h"
#include "doc/sprite.h"
namespace app {
class ChangePixelFormatCommand : public Command {
PixelFormat m_format;
DitheringMethod m_dithering;
public:
ChangePixelFormatCommand();
Command* clone() const override { return new ChangePixelFormatCommand(*this); }
protected:
void onLoadParams(const Params& params) override;
bool onEnabled(Context* context) override;
bool onChecked(Context* context) override;
void onExecute(Context* context) override;
};
ChangePixelFormatCommand::ChangePixelFormatCommand()
: Command("ChangePixelFormat",
"Change Pixel Format",
CmdUIOnlyFlag)
{
m_format = IMAGE_RGB;
m_dithering = DitheringMethod::NONE;
}
void ChangePixelFormatCommand::onLoadParams(const Params& params)
{
std::string format = params.get("format");
if (format == "rgb") m_format = IMAGE_RGB;
else if (format == "grayscale") m_format = IMAGE_GRAYSCALE;
else if (format == "indexed") m_format = IMAGE_INDEXED;
std::string dithering = params.get("dithering");
if (dithering == "ordered")
m_dithering = DitheringMethod::ORDERED;
else
m_dithering = DitheringMethod::NONE;
}
bool ChangePixelFormatCommand::onEnabled(Context* context)
{
ContextWriter writer(context);
Sprite* sprite(writer.sprite());
if (sprite != NULL &&
sprite->pixelFormat() == IMAGE_INDEXED &&
m_format == IMAGE_INDEXED &&
m_dithering == DitheringMethod::ORDERED)
return false;
return sprite != NULL;
}
bool ChangePixelFormatCommand::onChecked(Context* context)
{
const ContextReader reader(context);
const Sprite* sprite = reader.sprite();
if (sprite != NULL &&
sprite->pixelFormat() == IMAGE_INDEXED &&
m_format == IMAGE_INDEXED &&
m_dithering == DitheringMethod::ORDERED)
return false;
return
sprite != NULL &&
sprite->pixelFormat() == m_format;
}
void ChangePixelFormatCommand::onExecute(Context* context)
{
{
ContextWriter writer(context);
Transaction transaction(writer.context(), "Color Mode Change");
Document* document(writer.document());
Sprite* sprite(writer.sprite());
document->getApi(transaction).setPixelFormat(sprite, m_format, m_dithering);
transaction.commit();
}
if (context->isUIAvailable())
app_refresh_screen();
}
Command* CommandFactory::createChangePixelFormatCommand()
{
return new ChangePixelFormatCommand;
}
} // namespace app