+++ /dev/null
-
-/*
- * CINELERRA
- * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
- *
- * 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
- *
- */
-
-#include "clip.h"
-#include "filexml.h"
-#include "language.h"
-#include "svg.h"
-#include "svgwin.h"
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/mman.h>
-
-
-//#include "empty_svg.h"
-
-REGISTER_PLUGIN(SvgMain)
-
-SvgConfig::SvgConfig()
-{
- in_x = 0;
- in_y = 0;
- in_w = 720;
- in_h = 480;
- out_x = 0;
- out_y = 0;
- out_w = 720;
- out_h = 480;
- strcpy(svg_file, "");
-}
-
-int SvgConfig::equivalent(SvgConfig &that)
-{
- return EQUIV(in_x, that.in_x) &&
- EQUIV(in_y, that.in_y) &&
- EQUIV(in_w, that.in_w) &&
- EQUIV(in_h, that.in_h) &&
- EQUIV(out_x, that.out_x) &&
- EQUIV(out_y, that.out_y) &&
- EQUIV(out_w, that.out_w) &&
- EQUIV(out_h, that.out_h) &&
- !strcmp(svg_file, that.svg_file);
-}
-
-void SvgConfig::copy_from(SvgConfig &that)
-{
- in_x = that.in_x;
- in_y = that.in_y;
- in_w = that.in_w;
- in_h = that.in_h;
- out_x = that.out_x;
- out_y = that.out_y;
- out_w = that.out_w;
- out_h = that.out_h;
- strcpy(svg_file, that.svg_file);
-}
-
-void SvgConfig::interpolate(SvgConfig &prev,
- SvgConfig &next,
- long prev_frame,
- long next_frame,
- long current_frame)
-{
- double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
- double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
-
- this->in_x = prev.in_x * prev_scale + next.in_x * next_scale;
- this->in_y = prev.in_y * prev_scale + next.in_y * next_scale;
- this->in_w = prev.in_w * prev_scale + next.in_w * next_scale;
- this->in_h = prev.in_h * prev_scale + next.in_h * next_scale;
- this->out_x = prev.out_x * prev_scale + next.out_x * next_scale;
- this->out_y = prev.out_y * prev_scale + next.out_y * next_scale;
- this->out_w = prev.out_w * prev_scale + next.out_w * next_scale;
- this->out_h = prev.out_h * prev_scale + next.out_h * next_scale;
- strcpy(this->svg_file, prev.svg_file);
-}
-
-
-
-
-
-
-
-
-SvgMain::SvgMain(PluginServer *server)
- : PluginVClient(server)
-{
- ofrm = 0;
- overlayer = 0;
- need_reconfigure = 1;
-}
-
-SvgMain::~SvgMain()
-{
- delete ofrm;
- delete overlayer;
-}
-
-const char* SvgMain::plugin_title() { return _("SVG via Inkscape"); }
-int SvgMain::is_realtime() { return 1; }
-int SvgMain::is_synthesis() { return 1; }
-
-
-LOAD_CONFIGURATION_MACRO(SvgMain, SvgConfig)
-
-void SvgMain::save_data(KeyFrame *keyframe)
-{
- FileXML output;
-
-// cause data to be stored directly in text
- output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
-
-// Store data
- output.tag.set_title("SVG");
- output.tag.set_property("IN_X", config.in_x);
- output.tag.set_property("IN_Y", config.in_y);
- output.tag.set_property("IN_W", config.in_w);
- output.tag.set_property("IN_H", config.in_h);
- output.tag.set_property("OUT_X", config.out_x);
- output.tag.set_property("OUT_Y", config.out_y);
- output.tag.set_property("OUT_W", config.out_w);
- output.tag.set_property("OUT_H", config.out_h);
- output.tag.set_property("SVG_FILE", config.svg_file);
- output.append_tag();
- output.tag.set_title("/SVG");
- output.append_tag();
-
- output.terminate_string();
-// data is now in *text
-}
-
-void SvgMain::read_data(KeyFrame *keyframe)
-{
- FileXML input;
-
- const char *data = keyframe->get_data();
- input.set_shared_input((char*)data, strlen(data));
-
- int result = 0;
-
- while(!result)
- {
- result = input.read_tag();
-
- if(!result)
- {
- if(input.tag.title_is("SVG"))
- {
- config.in_x = input.tag.get_property("IN_X", config.in_x);
- config.in_y = input.tag.get_property("IN_Y", config.in_y);
- config.in_w = input.tag.get_property("IN_W", config.in_w);
- config.in_h = input.tag.get_property("IN_H", config.in_h);
- config.out_x = input.tag.get_property("OUT_X", config.out_x);
- config.out_y = input.tag.get_property("OUT_Y", config.out_y);
- config.out_w = input.tag.get_property("OUT_W", config.out_w);
- config.out_h = input.tag.get_property("OUT_H", config.out_h);
- input.tag.get_property("SVG_FILE", config.svg_file);
- }
- }
- }
-}
-
-
-
-
-
-
-
-
-int SvgMain::process_realtime(VFrame *input, VFrame *output)
-{
-
- need_reconfigure |= load_configuration();
- output->copy_from(input);
- if( config.svg_file[0] == 0 ) return 0;
-
- if( need_reconfigure ) {
- need_reconfigure = 0;
- delete ofrm; ofrm = 0;
- char filename_png[1024];
- strcpy(filename_png, config.svg_file);
- strncat(filename_png, ".png", sizeof(filename_png));
- int fd = open(filename_png, O_RDWR);
- if( fd < 0 ) { // file does not exist, export it
- char command[1024];
- sprintf(command,
- "inkscape --without-gui --export-background=0x000000 "
- "--export-background-opacity=0 %s --export-png=%s",
- config.svg_file, filename_png);
- printf(_("Running command %s\n"), command);
- system(command);
- // in order for lockf to work it has to be open for writing
- fd = open(filename_png, O_RDWR);
- if( fd < 0 )
- printf(_("Export of %s to %s failed\n"), config.svg_file, filename_png);
- }
- if( fd >= 0 ) {
- // file exists, ... lock it, mmap it and check time_of_creation
- // Blocking call - will wait for inkscape to finish!
- lockf(fd, F_LOCK, 0);
- struct stat st_png;
- fstat(fd, &st_png);
- unsigned char *png_buffer = (unsigned char *)
- mmap (NULL, st_png.st_size, PROT_READ, MAP_SHARED, fd, 0);
- if( png_buffer != MAP_FAILED ) {
- if( png_buffer[0] == 0x89 && png_buffer[1] == 0x50 &&
- png_buffer[2] == 0x4e && png_buffer[3] == 0x47 ) {
- ofrm = new VFramePng(png_buffer, st_png.st_size, 1., 1.);
- if( ofrm->get_color_model() != output->get_color_model() ) {
- VFrame *vfrm = new VFrame(ofrm->get_w(), ofrm->get_h(),
- output->get_color_model());
- BC_CModels::transfer(vfrm->get_rows(), ofrm->get_rows(),
- 0, 0, 0, 0, 0, 0,
- 0, 0, ofrm->get_w(), ofrm->get_h(),
- 0, 0, vfrm->get_w(), vfrm->get_h(),
- ofrm->get_color_model(), vfrm->get_color_model(),
- 0, ofrm->get_bytes_per_line(),
- vfrm->get_bytes_per_line());
- delete ofrm; ofrm = vfrm;
- }
- }
- else
- printf (_("The file %s that was generated from %s is not in PNG format."
- " Try to delete all *.png files.\n"), filename_png, config.svg_file);
- munmap(png_buffer, st_png.st_size);
- }
- else
- printf(_("Access mmap to %s as %s failed.\n"), config.svg_file, filename_png);
- lockf(fd, F_ULOCK, 0);
- close(fd);
- }
- }
- if( ofrm ) {
- if(!overlayer) overlayer = new OverlayFrame(smp + 1);
- overlayer->overlay(output, ofrm,
- 0, 0, ofrm->get_w(), ofrm->get_h(),
- config.out_x, config.out_y,
- config.out_x + ofrm->get_w(),
- config.out_y + ofrm->get_h(),
- 1, TRANSFER_NORMAL,
- get_interpolation_type());
- }
- return 0;
-}
-
-
-NEW_WINDOW_MACRO(SvgMain, SvgWin)
-
-void SvgMain::update_gui()
-{
- if(thread)
- {
- load_configuration();
- SvgWin *window = (SvgWin*)thread->window;
- window->lock_window();
-// window->in_x->update(config.in_x);
-// window->in_y->update(config.in_y);
-// window->in_w->update(config.in_w);
-// window->in_h->update(config.in_h);
- window->out_x->update(config.out_x);
- window->out_y->update(config.out_y);
-// window->out_w->update(config.out_w);
-// window->out_h->update(config.out_h);
- window->svg_file_title->update(config.svg_file);
- window->unlock_window();
- }
-}
projects / goodguy / history.git / blobdiff