scale.C

Go to the documentation of this file.

#include "defaults.h"
#include "mainundo.h"
#include "mwindow.h"
#include "scale.h"
#include "mainsession.h"
#include "tracks.h"
#include "videowindow.h"

#include <libintl.h>
#define _(String) gettext(String)
#define gettext_noop(String) String
#define N_(String) gettext_noop (String)

Scale::Scale(MWindow *mwindow)
 : BC_MenuItem(_("Resize..."))
{ 
        this->mwindow = mwindow; 
        thread = new ScaleThread(mwindow);
}

Scale::~Scale() 
{
        delete thread;
}

int Scale::handle_event()
{
        thread->start();
}

ScaleThread::ScaleThread(MWindow *mwindow)
 : Thread()
{ 
        this->mwindow = mwindow; 
        already_running = 0;
}

ScaleThread::~ScaleThread() {}

void ScaleThread::run()
{
        if(already_running) return;
        already_running = 1;
        constrain_ratio = mwindow->defaults->get("SCALECONSTRAIN", 0);
        scale_data = mwindow->defaults->get("SCALEDATA", 0);
        auto_aspect = mwindow->defaults->get("AUDIOASPECT", 0);
        offsets[0] = offsets[1] = offsets[2] = offsets[3] = 0;

        orig_dimension[0] = dimension[0] = mwindow->session->track_w;
        orig_dimension[1] = dimension[1] = mwindow->session->track_h;
        orig_dimension[2] = dimension[2] = mwindow->session->output_w;
        orig_dimension[3] = dimension[3] = mwindow->session->output_h;
        ratio[0] = ratio[1] = ratio[2] = ratio[3] = 1;
        aspect_w = mwindow->session->aspect_w;
        aspect_h = mwindow->session->aspect_h;

        window = new ScaleWindow(this);
        window->create_objects();
        int result = window->run_window();
        if(!result)
        {
                int dummy_offsets[4];
                dummy_offsets[0] = dummy_offsets[1] = dummy_offsets[2] = dummy_offsets[3] = 0;
// Fake the offsets if data is scaled.

// fix tracks
                //mwindow->stop_playback(1);
// save the before undo
                mwindow->undo->update_undo_edits("Resize", 0);
                mwindow->tracks->scale_video(dimension, scale_data ? dummy_offsets : offsets, scale_data);
                mwindow->session->track_w = dimension[0];
                mwindow->session->track_h = dimension[1];
                mwindow->session->output_w = dimension[2];
                mwindow->session->output_h = dimension[3];
                mwindow->session->aspect_w = aspect_w;
                mwindow->session->aspect_h = aspect_h;
                mwindow->video_window->resize_window();
                mwindow->draw();
                mwindow->undo->update_undo_edits();
                mwindow->session->changes_made = 1;
                mwindow->defaults->update("ASPECTW", aspect_w);
                mwindow->defaults->update("ASPECTH", aspect_h);
                mwindow->defaults->update("AUTOASPECT", auto_aspect);
        }
        delete window;

        mwindow->defaults->update("SCALECONSTRAIN", constrain_ratio);
        mwindow->defaults->update("SCALEDATA", scale_data);
        already_running = 0;
}

int ScaleThread::update_window(int offset_updated)
{
        int pair_start = 0;
        int i, result, modified_item, dimension_modified = 0, ratio_modified = 0;

        for(i = 0, result = 0; i < 4 && !result; i++)
        {
                if(i == 2) pair_start = 2;
                if(dimension[i] < 0)
                {
                        dimension[i] *= -1;
                        result = 1;
                        modified_item = i;
                        dimension_modified = 1;
                }
                if(ratio[i] < 0)
                {
                        ratio[i] *= -1;
                        result = 1;
                        modified_item = i;
                        ratio_modified = 1;
                }
        }

        if(result)
        {
                if(dimension_modified)
                        ratio[modified_item] = (float)dimension[modified_item] / orig_dimension[modified_item];

                if(ratio_modified && !constrain_ratio)
                {
                        dimension[modified_item] = (int)(orig_dimension[modified_item] * ratio[modified_item]);
                        window->dimension[modified_item]->update((long)dimension[modified_item]);
                }

                for(i = pair_start; i < pair_start + 2 && constrain_ratio; i++)
                {
                        if(dimension_modified ||
                                (i != modified_item && ratio_modified))
                        {
                                ratio[i] = ratio[modified_item];
                                window->ratio[i]->update(ratio[i]);
                        }

                        if(ratio_modified ||
                                (i != modified_item && dimension_modified))
                        {
                                dimension[i] = (int)(orig_dimension[i] * ratio[modified_item]);
                                window->dimension[i]->update((long)dimension[i]);
                        }
                }
        }

//      window->position1->draw();
//      window->position2->draw();
//printf("%d\n", offsets[0]);
//      if(!offset_updated)
//      {
//              window->offsets[0]->update(offsets[0]);
//              window->offsets[1]->update(offsets[1]);
//              window->offsets[2]->update(offsets[2]);
//              window->offsets[3]->update(offsets[3]);
//      }
        
        update_aspect(window);
        return 0;
}

int ScaleThread::update_aspect(ScaleWindow *window)
{
        if(auto_aspect)
        {
                char string[1024];
                mwindow->create_aspect_ratio(aspect_w, aspect_h, dimension[2], dimension[3]);
                sprintf(string, "%.0f", aspect_w);
                window->aspect_w->update(string);
                sprintf(string, "%.0f", aspect_h);
                window->aspect_h->update(string);
        }
}



ScaleWindow::ScaleWindow(ScaleThread *thread)
 : BC_Window(PROGRAM_NAME ": Scale", 370, 260, 0, 0)
{ this->thread = thread; }

ScaleWindow::~ScaleWindow()
{
}

int ScaleWindow::create_objects()
{
        int x = 10, y = 10;
        add_subwindow(new BC_Title(x, y, _("New camera size:")));
        add_subwindow(new BC_Title(x + 200, y, _("New projector size:")));
        y += 30;
        add_subwindow(new BC_Title(x, y, _("Width:")));
        x += 70;
        add_subwindow(dimension[0] = new ScaleSizeText(x, y, thread, &(thread->dimension[0])));
        x += 110;
        add_subwindow(new BC_Title(x, y, _("Width:")));
        x += 70;
        add_subwindow(dimension[2] = new ScaleSizeText(x, y, thread, &(thread->dimension[2])));

        y += 30;
        x = 10;
        add_subwindow(new BC_Title(x, y, _("Height:")));
        x += 70;
        add_subwindow(dimension[1] = new ScaleSizeText(x, y, thread, &(thread->dimension[1])));
        x += 110;
        add_subwindow(new BC_Title(x, y, _("Height:")));
        x += 70;
        add_subwindow(dimension[3] = new ScaleSizeText(x, y, thread, &(thread->dimension[3])));

        y += 30;
        x = 10;
        add_subwindow(new BC_Title(x, y, _("W Ratio:")));
        x += 70;
        add_subwindow(ratio[0] = new ScaleRatioText(x, y, thread, &(thread->ratio[0])));
        x += 110;
        add_subwindow(new BC_Title(x, y, _("W Ratio:")));
        x += 70;
        add_subwindow(ratio[2] = new ScaleRatioText(x, y, thread, &(thread->ratio[2])));

        y += 30;
        x = 10;
        add_subwindow(new BC_Title(x, y, _("H Ratio:")));
        x += 70;
        add_subwindow(ratio[1] = new ScaleRatioText(x, y, thread, &(thread->ratio[1])));
        x += 110;
        add_subwindow(new BC_Title(x, y, _("H Ratio:")));
        x += 70;
        add_subwindow(ratio[3] = new ScaleRatioText(x, y, thread, &(thread->ratio[3])));

//      y += 30;
//      x = 10;
//      add_subwindow(new BC_Title(x, y, "X Offset:"));
//      x += 70;
//      add_subwindow(offsets[0] = new ScaleOffsetText(x, y, thread, &(thread->offsets[0])));
//      x += 110;
//      add_subwindow(new BC_Title(x, y, "X Offset:"));
//      x += 70;
//      add_subwindow(offsets[2] = new ScaleOffsetText(x, y, thread, &(thread->offsets[2])));
//
//      y += 30;
//      x = 10;
//      add_subwindow(new BC_Title(x, y, "Y Offset:"));
//      x += 70;
//      add_subwindow(offsets[1] = new ScaleOffsetText(x, y, thread, &(thread->offsets[1])));
//      x += 110;
//      add_subwindow(new BC_Title(x, y, "Y Offset:"));
//      x += 70;
//      add_subwindow(offsets[3] = new ScaleOffsetText(x, y, thread, &(thread->offsets[3])));

        x = 10;
        y += 30;
        add_subwindow(new BC_Title(x, y, _("Aspect ratio:")));
        x += 100;
        char string[1024];
        sprintf(string, "%.0f", thread->aspect_w);
        add_subwindow(aspect_w = new ScaleAspectW(x, y, thread, &(thread->aspect_w), string));
        x += 55;
        add_subwindow(new BC_Title(x, y, _(":")));
        x += 10;
        sprintf(string, "%.0f", thread->aspect_h);
        add_subwindow(aspect_h = new ScaleAspectH(x, y, thread, &(thread->aspect_h), string));
        x += 60;
        add_subwindow(new ScaleAspectAuto(x, y + 5, thread));

        y += 30;
//      x = 40;
//      add_subwindow(new BC_Title(x, y, _("Camera position:")));
//      x += 200;
//      add_subwindow(new BC_Title(x, y, _("Projector position:")));

//      ScalePosition *position;
//      x = 60;
//      y += 25;
//      add_subwindow(position1 = new ScalePosition(x, y, thread, this, 
//              &(thread->orig_dimension[0]), &(thread->dimension[0]), &(thread->offsets[0])));
//      position1->draw();

//      x += 200;
//      add_subwindow(position2 = new ScalePosition(x, y, thread, this, 
//              &(thread->orig_dimension[2]), &(thread->dimension[2]), &(thread->offsets[2])));
//      position2->draw();

//      y += 110;
        x = 10;
        add_subwindow(new ScaleConstrain(x, y, thread));        
        x += 200;
        add_subwindow(new ScaleData(x, y, thread));     

        y += 30;
        x = 50;
        add_subwindow(new BC_OKButton(x, y));
        x += 200;
        add_subwindow(new BC_CancelButton(x, y));
}

ScaleSizeText::ScaleSizeText(int x, int y, ScaleThread *thread, int *output)
 : BC_TextBox(x, y, 100, 1, *output)
{ 
        this->thread = thread; 
        this->output = output; 
}
ScaleSizeText::~ScaleSizeText() {}
int ScaleSizeText::handle_event()
{
        *output = atol(get_text());
        *output /= 2;
        *output *= 2;
        if(*output <= 0) *output = 2;
        if(*output > 10000) *output = 10000;
        *output *= -1;
        thread->update_window();
}

ScaleOffsetText::ScaleOffsetText(int x, int y, ScaleThread *thread, int *output)
 : BC_TextBox(x, y, 100, 1, *output)
{ this->thread = thread; this->output = output; }
ScaleOffsetText::~ScaleOffsetText() {}
int ScaleOffsetText::handle_event()
{
        *output = atol(get_text());
        //if(*output <= 0) *output = 0;
        if(*output > 10000) *output = 10000;
        if(*output < -10000) *output = -10000;
        thread->update_window(1);
}

ScaleRatioText::ScaleRatioText(int x, int y, ScaleThread *thread, float *output)
 : BC_TextBox(x, y, 100, 1, *output)
{ this->thread = thread; this->output = output; }
ScaleRatioText::~ScaleRatioText() {}
int ScaleRatioText::handle_event()
{
        *output = atof(get_text());
        //if(*output <= 0) *output = 1;
        if(*output > 10000) *output = 10000;
        if(*output < -10000) *output = -10000;
        *output *= -1;
        thread->update_window();
}




ScaleConstrain::ScaleConstrain(int x, int y, ScaleThread *thread)
 : BC_CheckBox(x, y, thread->constrain_ratio, _("Constrain ratio"))
{ this->thread = thread; }
ScaleConstrain::~ScaleConstrain() {}
int ScaleConstrain::handle_event()
{
        thread->constrain_ratio = get_value();
}

ScaleData::ScaleData(int x, int y, ScaleThread *thread)
 : BC_CheckBox(x, y, thread->scale_data, _("Scale data"))
{ this->thread = thread; }
ScaleData::~ScaleData() {}
int ScaleData::handle_event()
{
        thread->scale_data = get_value();
        thread->update_window();
}


ScaleAspectAuto::ScaleAspectAuto(int x, int y, ScaleThread *thread)
 : BC_CheckBox(x, y, thread->auto_aspect, _("Auto"))
{ this->thread = thread; }

ScaleAspectAuto::~ScaleAspectAuto()
{
}

int ScaleAspectAuto::handle_event()
{
        thread->auto_aspect = get_value();
        thread->update_aspect(thread->window);
}




ScaleAspectW::ScaleAspectW(int x, int y, ScaleThread *thread, float *output, char *string)
 : BC_TextBox(x, y, 50, 1, string)
{
        this->output = output;
        this->thread = thread;
}
ScaleAspectW::~ScaleAspectW()
{
}

int ScaleAspectW::handle_event()
{
        *output = atof(get_text());
}


ScaleAspectH::ScaleAspectH(int x, int y, ScaleThread *thread, float *output, char *string)
 : BC_TextBox(x, y, 50, 1, string)
{
        this->output = output;
        this->thread = thread;
}
ScaleAspectH::~ScaleAspectH()
{
}

int ScaleAspectH::handle_event()
{
        *output = atof(get_text());
}

---