aseprite/src/raster/image.cpp

85 lines
2.2 KiB
C++

/* Aseprite
* Copyright (C) 2001-2014 David Capello
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "raster/image.h"
#include "raster/algo.h"
#include "raster/blend.h"
#include "raster/brush.h"
#include "raster/image_impl.h"
#include "raster/palette.h"
#include "raster/primitives.h"
#include "raster/rgbmap.h"
namespace raster {
Image::Image(PixelFormat format, int width, int height)
: Object(OBJECT_IMAGE)
, m_format(format)
{
m_width = width;
m_height = height;
m_maskColor = 0;
}
Image::~Image()
{
}
int Image::getMemSize() const
{
return sizeof(Image) + getRowStrideSize()*m_height;
}
int Image::getRowStrideSize() const
{
return getRowStrideSize(m_width);
}
int Image::getRowStrideSize(int pixels_per_row) const
{
return calculate_rowstride_bytes(pixelFormat(), pixels_per_row);
}
// static
Image* Image::create(PixelFormat format, int width, int height,
const ImageBufferPtr& buffer)
{
switch (format) {
case IMAGE_RGB: return new ImageImpl<RgbTraits>(width, height, buffer);
case IMAGE_GRAYSCALE: return new ImageImpl<GrayscaleTraits>(width, height, buffer);
case IMAGE_INDEXED: return new ImageImpl<IndexedTraits>(width, height, buffer);
case IMAGE_BITMAP: return new ImageImpl<BitmapTraits>(width, height, buffer);
}
return NULL;
}
// static
Image* Image::createCopy(const Image* image, const ImageBufferPtr& buffer)
{
ASSERT(image);
return crop_image(image, 0, 0, image->width(), image->height(),
image->maskColor(), buffer);
}
} // namespace raster