/*
* 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 "mainerror.h"
#include "svg.h"
#include "svgwin.h"
+#include "overlayframe.inc"
+
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/wait.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;
+ out_x = 0; out_y = 0;
+ out_w = 640; out_h = 480;
+ dpi = 90;
strcpy(svg_file, "");
+ ms_time = 0;
}
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) &&
+ return EQUIV(dpi, that.dpi) &&
+ 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);
+ !strcmp(svg_file, that.svg_file) &&
+ ms_time != 0 && that.ms_time != 0 &&
+ ms_time == that.ms_time;
}
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;
+ dpi = that.dpi;
strcpy(svg_file, that.svg_file);
+ ms_time = that.ms_time;
}
-void SvgConfig::interpolate(SvgConfig &prev,
- SvgConfig &next,
- long prev_frame,
- long next_frame,
- long current_frame)
+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;
+ this->dpi = prev.dpi;
strcpy(this->svg_file, prev.svg_file);
+ this->ms_time = prev.ms_time;
}
-
-
-
-
-
-
SvgMain::SvgMain(PluginServer *server)
: PluginVClient(server)
{
delete overlayer;
}
-const char* SvgMain::plugin_title() { return _("SVG via Inkscape"); }
+const char* SvgMain::plugin_title() { return N_("SVG via Inkscape"); }
int SvgMain::is_realtime() { return 1; }
int SvgMain::is_synthesis() { return 1; }
// 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("DPI", config.dpi);
output.tag.set_property("SVG_FILE", config.svg_file);
+ output.tag.set_property("MS_TIME", config.ms_time);
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)
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);
- }
+ while( !(result = input.read_tag()) ) {
+ if(input.tag.title_is("SVG")) {
+ 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);
+ config.dpi = input.tag.get_property("DPI", config.dpi);
+ input.tag.get_property("SVG_FILE", config.svg_file);
+ config.ms_time = input.tag.get_property("MS_TIME", config.ms_time);
}
}
}
-
-
-
-
-
+static int exec_command(char* const*argv)
+{
+ pid_t pid = vfork();
+ if( pid < 0 ) return -1;
+ if( pid > 0 ) {
+ int stat = 0;
+ waitpid(pid, &stat, 0);
+ if( stat ) {
+ char msg[BCTEXTLEN];
+ sprintf(msg, "%s: error exit status %d", argv[0], stat);
+ MainError::show_error(msg);
+ }
+ return 0;
+ }
+ execvp(argv[0], &argv[0]);
+ return -1;
+}
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 ) {
+ if( input != output )
+ output->copy_from(input);
+
+ int need_export = 0;
+ float last_dpi = config.dpi;
+ char last_svg_file[BCTEXTLEN];
+ strcpy(last_svg_file, config.svg_file);
+ int64_t last_ms_time = config.ms_time;
+ need_reconfigure = load_configuration();
+ if( !ofrm || last_dpi != config.dpi )
+ need_export = 1;
+ if( strcmp(last_svg_file, config.svg_file) ||
+ last_ms_time != config.ms_time )
+ need_reconfigure = 1;
+
+ if( need_reconfigure || need_export ) {
need_reconfigure = 0;
+ if( config.svg_file[0] == 0 ) return 0;
delete ofrm; ofrm = 0;
- char filename_png[1024];
+ char filename_png[BCTEXTLEN];
strcpy(filename_png, config.svg_file);
strncat(filename_png, ".png", sizeof(filename_png));
- int fd = open(filename_png, O_RDWR);
+ struct stat st_png;
+ int64_t ms_time = need_export || stat(filename_png, &st_png) ? 0 :
+ st_png.st_mtim.tv_sec*1000 + st_png.st_mtim.tv_nsec/1000000;
+ int fd = ms_time < config.ms_time ? -1 : open(filename_png, O_RDWR);
if( fd < 0 ) { // file does not exist, export it
- char command[1024];
- sprintf(command,
+ char command[BCTEXTLEN], dpi[BCSTRLEN];
+ snprintf(command, sizeof(command),
"inkscape --without-gui --export-background=0x000000 "
- "--export-background-opacity=0 %s --export-png=%s",
- config.svg_file, filename_png);
+ "--export-background-opacity=0 -d %f %s --export-png=%s",
+ config.dpi, config.svg_file, filename_png);
printf(_("Running command %s\n"), command);
- system(command);
+ snprintf(dpi, sizeof(dpi), "%f", config.dpi);
+ snprintf(command, sizeof(command), "--export-png=%s",filename_png);
+ char *const argv[] = {
+ (char*)"inkscape",
+ (char*)"--without-gui",
+ (char*)"--export-background=0x000000",
+ (char*)"--export-background-opacity=0",
+ (char*)"-d", dpi, config.svg_file, command,
+ 0, };
+ exec_command(argv);
// 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);
+ ofrm = VFramePng::vframe_png(fd);
close(fd);
+ if( ofrm && ofrm->get_color_model() != output->get_color_model() ) {
+ VFrame *vfrm = new VFrame(ofrm->get_w(), ofrm->get_h(),
+ output->get_color_model(), 0);
+ vfrm->transfer_from(ofrm);
+ delete ofrm; ofrm = vfrm;
+ }
+ if( !ofrm )
+ 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);
}
}
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());
+ config.out_x, config.out_y,
+ config.out_x + config.out_w,
+ config.out_y + config.out_h,
+ 1, TRANSFER_NORMAL, LINEAR_LINEAR);
}
return 0;
}
void SvgMain::update_gui()
{
- if(thread)
- {
+ 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();
+ window->update_gui(config);
}
}
+