X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Fsrc%2Fmodules%2Fmod_magickpp%2Ftrgt_magickpp.cpp;fp=synfig-core%2Fsrc%2Fmodules%2Fmod_magickpp%2Ftrgt_magickpp.cpp;h=875f2b5da8ffc99538fc8167d3c65f0c3f42489e;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git diff --git a/synfig-core/src/modules/mod_magickpp/trgt_magickpp.cpp b/synfig-core/src/modules/mod_magickpp/trgt_magickpp.cpp new file mode 100644 index 0000000..875f2b5 --- /dev/null +++ b/synfig-core/src/modules/mod_magickpp/trgt_magickpp.cpp @@ -0,0 +1,309 @@ +/* === 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 +#endif + +#include +#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 +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; +}