+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file trgt_magickpp.cpp
-** \brief Magick++ Target Module
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2007, 2008 Chris Moore
-**
-** This package 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 package 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.
-** \endlegal
-**
-** === N O T E S ===========================================================
-**
-** ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#define SYNFIG_TARGET
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <ETL/misc>
-#include "trgt_magickpp.h"
-
-#endif
-
-/* === M A C R O S ========================================================= */
-
-using namespace synfig;
-using namespace std;
-using namespace etl;
-
-/* === G L O B A L S ======================================================= */
-
-SYNFIG_TARGET_INIT(magickpp_trgt);
-SYNFIG_TARGET_SET_NAME(magickpp_trgt,"magick++");
-SYNFIG_TARGET_SET_EXT(magickpp_trgt,"gif");
-SYNFIG_TARGET_SET_VERSION(magickpp_trgt,"0.1");
-SYNFIG_TARGET_SET_CVS_ID(magickpp_trgt,"$Id$");
-
-/* === M E T H O D S ======================================================= */
-
-template <class Container>
-MagickLib::Image* copy_image_list(Container& container)
-{
- typedef typename Container::iterator Iter;
- MagickLib::Image* previous = 0;
- MagickLib::Image* first = NULL;
- MagickLib::ExceptionInfo exceptionInfo;
- MagickLib::GetExceptionInfo(&exceptionInfo);
- for (Iter iter = container.begin(); iter != container.end(); ++iter)
- {
- MagickLib::Image* current;
-
- try
- {
- current = CloneImage(iter->image(), 0, 0, Magick::MagickTrue, &exceptionInfo);
-
- if (!first) first = current;
-
- current->previous = previous;
- current->next = 0;
-
- if ( previous != 0) previous->next = current;
- previous = current;
- }
- catch(Magick::Warning warning) {
- synfig::warning("exception '%s'", warning.what());
- }
- }
-
- return first;
-}
-
-magickpp_trgt::~magickpp_trgt()
-{
- MagickLib::ExceptionInfo exceptionInfo;
- MagickLib::GetExceptionInfo(&exceptionInfo);
-
- try
- {
- bool multiple_images = images.size() != 1;
- bool can_adjoin = false;
-
- if (multiple_images)
- {
- // check whether this file format supports multiple-image files
- Magick::Image image(*(images.begin()));
- image.fileName(filename);
- try
- {
- SetImageInfo(image.imageInfo(),Magick::MagickTrue,&exceptionInfo);
- can_adjoin = image.adjoin();
- }
- catch(Magick::Warning warning) {
- synfig::warning("exception '%s'", warning.what());
- }
- }
-
- // the file type is now in image.imageInfo()->magick and
- // image.adjoin() tells us whether we can write to a single file
- if (can_adjoin)
- {
- synfig::info("joining images");
- unsigned int delay = round_to_int(100.0 / desc.get_frame_rate());
- for_each(images.begin(), images.end(), Magick::animationDelayImage(delay));
-
- // optimize the images (only write the pixels that change from frame to frame
-#ifdef HAVE_MAGICK_OPTIMIZE
- // make a completely new image list
- // this is required because:
- // RemoveDuplicateLayers wants a linked list of images, and removes some of them
- // when it removes an image, it invalidates it using DeleteImageFromList, but we still have it in our container
- // when we destroy our container, the image is re-freed, failing an assertion
-
- synfig::info("copying image list");
- MagickLib::Image *image_list = copy_image_list(images);
-
- synfig::info("clearing old image list");
- images.clear();
-
- if (!getenv("SYNFIG_DISABLE_REMOVE_DUPS"))
- {
- synfig::info("removing duplicate frames");
- try
- {
- RemoveDuplicateLayers(&image_list, &exceptionInfo);
- }
- catch(Magick::Warning warning) {
- synfig::warning("exception '%s'", warning.what());
- }
- }
-
- if (!getenv("SYNFIG_DISABLE_OPTIMIZE"))
- {
- synfig::info("optimizing layers");
- try
- {
- image_list = OptimizeImageLayers(image_list,&exceptionInfo);
- }
- catch(Magick::Warning warning) {
- synfig::warning("exception '%s'", warning.what());
- }
- }
-
- if (!getenv("SYNFIG_DISABLE_OPTIMIZE_TRANS"))
- {
- synfig::info("optimizing layer transparency");
- try
- {
- OptimizeImageTransparency(image_list,&exceptionInfo);
- }
- catch(Magick::Warning warning) {
- synfig::warning("exception '%s'", warning.what());
- }
- }
-
- synfig::info("recreating image list");
- insertImages(&images, image_list);
-#else
- synfig::info("not optimizing images");
- // DeconstructImages is available in ImageMagic 6.2.* but it doesn't take
- // the 'dispose' method into account, so for frames with transparency where
- // nothing is moving, we end up with objects disappearing when they shouldn't
-
- // linkImages(images.begin(), images.end());
- // MagickLib::Image* new_images = DeconstructImages(images.begin()->image(),&exceptionInfo);
- // unlinkImages(images.begin(), images.end());
- // images.clear();
- // insertImages(&images, new_images);
-#endif
- }
- else if (multiple_images)
- {
- // if we can't write multiple images to a file of this type,
- // include '%04d' in the filename, so the files will be numbered
- // with a fixed width, '0'-padded number
- synfig::info("can't join images of this type - numbering instead");
- filename = (filename_sans_extension(filename) + ".%04d" + filename_extension(filename));
- }
-
- synfig::info("writing %d image%s to %s", images.size(), images.size() == 1 ? "" : "s", filename.c_str());
- try
- {
- Magick::writeImages(images.begin(), images.end(), filename);
- synfig::info("done");
- }
- catch(Magick::Warning warning) {
- synfig::warning("exception '%s'", warning.what());
- }
- }
- catch(Magick::Warning warning) {
- synfig::warning("exception '%s'", warning.what());
- }
- catch(Magick::Error error) {
- synfig::error("exception '%s'", error.what());
- }
- catch(...) {
- synfig::error("unknown exception");
- }
-
- if (buffer1 != NULL) delete [] buffer1;
- if (buffer2 != NULL) delete [] buffer2;
- if (color_buffer != NULL) delete [] color_buffer;
-}
-
-bool
-magickpp_trgt::set_rend_desc(RendDesc *given_desc)
-{
- desc = *given_desc;
- return true;
-}
-
-bool
-magickpp_trgt::init()
-{
- width = desc.get_w();
- height = desc.get_h();
-
- start_pointer = NULL;
-
- buffer1 = new unsigned char[4*width*height];
- if (buffer1 == NULL)
- return false;
-
- buffer2 = new unsigned char[4*width*height];
- if (buffer2 == NULL)
- {
- delete [] buffer1;
- return false;
- }
-
- color_buffer = new Color[width];
- if (color_buffer == NULL)
- {
- delete [] buffer1;
- delete [] buffer2;
- return false;
- }
-
- return true;
-}
-
-void
-magickpp_trgt::end_frame()
-{
- Magick::Image image(width, height, "RGBA", Magick::CharPixel, start_pointer);
- if (transparent && images.begin() != images.end())
- (images.end()-1)->gifDisposeMethod(Magick::BackgroundDispose);
- images.push_back(image);
-}
-
-bool
-magickpp_trgt::start_frame(synfig::ProgressCallback *callback __attribute__ ((unused)))
-{
- previous_buffer_pointer = start_pointer;
-
- if (start_pointer == buffer1)
- start_pointer = buffer_pointer = buffer2;
- else
- start_pointer = buffer_pointer = buffer1;
-
- transparent = false;
- return true;
-}
-
-Color*
-magickpp_trgt::start_scanline(int scanline __attribute__ ((unused)))
-{
- return color_buffer;
-}
-
-bool
-magickpp_trgt::end_scanline()
-{
- convert_color_format(buffer_pointer, color_buffer,
- width, PF_RGB|PF_A, gamma());
-
- if (!transparent)
- for (int i = 0; i < width; i++)
- if (previous_buffer_pointer && // this isn't the first frame
- buffer_pointer[i*4 + 3] < 128 && // our pixel is transparent
- !(previous_buffer_pointer[i*4 + 3] < 128)) // the previous frame's pixel wasn't
- {
- transparent = true;
- break;
- }
-
- buffer_pointer += 4 * width;
-
- if (previous_buffer_pointer)
- previous_buffer_pointer += 4 * width;
-
- return true;
-}
projects / synfig.git / blobdiff