#include "language.h"
#include "perspective.h"
-
-
-
-
-
+#define PERSPECTIVE_WIDTH 400
+#define PERSPECTIVE_HEIGHT 600
REGISTER_PLUGIN(PerspectiveMain)
-
PerspectiveConfig::PerspectiveConfig()
{
x1 = 0; y1 = 0;
x4 = 0; y4 = 100;
mode = AffineEngine::PERSPECTIVE;
smoothing = AffineEngine::AF_DEFAULT;
- window_w = 400;
- window_h = 450;
+ window_w = PERSPECTIVE_WIDTH;
+ window_h = PERSPECTIVE_HEIGHT;
current_point = 0;
forward = 1;
+ view_x = view_y = 0;
+ view_zoom = 1;
}
int PerspectiveConfig::equivalent(PerspectiveConfig &that)
mode == that.mode &&
smoothing == that.smoothing &&
forward == that.forward;
+// not tracking:
+// view_x == that.view_x &&
+// view_y == that.view_y &&
+// view_zoom == that.view_zoom &&
}
void PerspectiveConfig::copy_from(PerspectiveConfig &that)
window_h = that.window_h;
current_point = that.current_point;
forward = that.forward;
+ view_x = that.view_x;
+ view_y = that.view_y;
+ view_zoom = that.view_zoom;
}
void PerspectiveConfig::interpolate(PerspectiveConfig &prev, PerspectiveConfig &next,
mode = prev.mode;
smoothing = prev.smoothing;
forward = prev.forward;
+ view_x = prev.view_x;
+ view_y = prev.view_y;
+ view_zoom = prev.view_zoom;
}
{
int x = 10, y = 10;
- add_subwindow(canvas = new PerspectiveCanvas(plugin,
- x, y, get_w() - 20, get_h() - 140));
+ add_subwindow(canvas = new PerspectiveCanvas(this,
+ x, y, get_w() - 20, get_h() - 290));
canvas->set_cursor(CROSS_CURSOR, 0, 0);
y += canvas->get_h() + 10;
add_subwindow(new BC_Title(x, y, _("Current X:")));
x += 80;
this->x = new PerspectiveCoord(this,
- plugin, x, y, plugin->get_current_x(), 1);
+ x, y, plugin->get_current_x(), 1);
this->x->create_objects();
x += 140;
add_subwindow(new BC_Title(x, y, _("Y:")));
x += 20;
this->y = new PerspectiveCoord(this,
- plugin, x, y, plugin->get_current_y(), 0);
+ x, y, plugin->get_current_y(), 0);
this->y->create_objects();
x = 10; y += 30;
- add_subwindow(mode_perspective = new PerspectiveMode(plugin,
+ add_subwindow(mode_perspective = new PerspectiveMode(this,
x, y, AffineEngine::PERSPECTIVE, _("Perspective")));
x += 120;
- add_subwindow(mode_sheer = new PerspectiveMode(plugin,
+ add_subwindow(mode_sheer = new PerspectiveMode(this,
x, y, AffineEngine::SHEER, _("Sheer")));
x += 100;
add_subwindow(affine = new PerspectiveAffine(this, x, y));
affine->create_objects();
x = 10; y += 30;
- add_subwindow(mode_stretch = new PerspectiveMode(plugin,
+ add_subwindow(mode_stretch = new PerspectiveMode(this,
x, y, AffineEngine::STRETCH, _("Stretch")));
x += 120;
- add_subwindow(new PerspectiveReset(plugin, x, y));
+ add_subwindow(new PerspectiveReset(this, x, y));
update_canvas();
+
x = 10; y += 30;
+ BC_Title *title;
+ add_subwindow(title = new BC_Title(x, y, _("Zoom view:")));
+ int x1 = x + title->get_w() + 10, w1 = get_w() - x1 - 10;
+ add_subwindow(zoom_view = new PerspectiveZoomView(this, x1, y, w1));
+ y += 30;
+
add_subwindow(new BC_Title(x, y, _("Perspective direction:")));
x += 170;
- add_subwindow(forward = new PerspectiveDirection(plugin,
+ add_subwindow(forward = new PerspectiveDirection(this,
x, y, 1, _("Forward")));
x += 100;
- add_subwindow(reverse = new PerspectiveDirection(plugin,
+ add_subwindow(reverse = new PerspectiveDirection(this,
x, y, 0, _("Reverse")));
-
+ x = 10; y += 40;
+ add_subwindow(title = new BC_Title(x, y, _("Alt/Shift:")));
+ add_subwindow(new BC_Title(x+100, y, _("Button1 Action:")));
+ y += title->get_h() + 5;
+ add_subwindow(new BC_Title(x, y,
+ " 0 / 0\n"
+ " 0 / 1\n"
+ " 1 / 0\n"
+ " 1 / 1"));
+ add_subwindow(new BC_Title(x+100, y,
+ _("Translate endpoint\n"
+ "Zoom image\n"
+ "Translate image\n"
+ "Translate view")));
show_window();
}
-
int PerspectiveWindow::resize_event(int w, int h)
{
return 1;
}
+PerspectiveZoomView::PerspectiveZoomView(PerspectiveWindow *gui,
+ int x, int y, int w)
+ : BC_FSlider(x, y, 0, w, w, -2., 2.,
+ log10(gui->plugin->config.view_zoom < 0.01 ?
+ 0.01 : gui->plugin->config.view_zoom))
+{
+ this->gui = gui;
+ set_precision(0.001);
+ set_tooltip(_("Zoom"));
+}
+PerspectiveZoomView::~PerspectiveZoomView()
+{
+}
+int PerspectiveZoomView::handle_event()
+{
+ float value = get_value();
+ BC_FSlider::update(value);
+ PerspectiveMain *plugin = gui->plugin;
+ float view_zoom = plugin->config.view_zoom;
+ double new_zoom = pow(10.,value);
+ double scale = new_zoom / view_zoom;
+ plugin->config.view_zoom = new_zoom;
+ plugin->config.view_x *= scale;
+ plugin->config.view_y *= scale;
+ gui->update_canvas();
+ plugin->send_configure_change();
+ return 1;
+}
+
+char *PerspectiveZoomView::get_caption()
+{
+ double value = get_value();
+ int frac = value >= 0. ? 1 : value >= -1. ? 2 : 3;
+ double zoom = pow(10., value);
+ char *caption = BC_Slider::get_caption();
+ sprintf(caption, "%.*f", frac, zoom);
+ return caption;
+}
+
+void PerspectiveZoomView::update(float zoom)
+{
+ if( zoom < 0.01 ) zoom = 0.01;
+ float value = log10f(zoom);
+ BC_FSlider::update(value);
+}
+
void PerspectiveWindow::update_canvas()
{
- canvas->clear_box(0, 0, canvas->get_w(), canvas->get_h());
+ int cw = canvas->get_w(), ch = canvas->get_h();
+ canvas->clear_box(0, 0, cw, ch);
int x1, y1, x2, y2, x3, y3, x4, y4;
calculate_canvas_coords(x1, y1, x2, y2, x3, y3, x4, y4);
+ float x0 = cw / 2.0f, y0 = ch / 2.0f;
+ float view_zoom = plugin->config.view_zoom;
+ float view_x = plugin->config.view_x, view_y = plugin->config.view_y;
+ x1 = (x1-x0) * view_zoom + view_x + x0;
+ y1 = (y1-y0) * view_zoom + view_y + y0;
+ x2 = (x2-x0) * view_zoom + view_x + x0;
+ y2 = (y2-y0) * view_zoom + view_y + y0;
+ x3 = (x3-x0) * view_zoom + view_x + x0;
+ y3 = (y3-y0) * view_zoom + view_y + y0;
+ x4 = (x4-x0) * view_zoom + view_x + x0;
+ y4 = (y4-y0) * view_zoom + view_y + y0;
+
+ canvas->set_color(RED);
+ int vx1 = x0 - x0 * view_zoom + view_x;
+ int vy1 = y0 - y0 * view_zoom + view_y;
+ int vx2 = vx1 + cw * view_zoom - 1;
+ int vy2 = vy1 + ch * view_zoom - 1;
+ canvas->draw_line(vx1, vy1, vx2, vy1);
+ canvas->draw_line(vx2, vy1, vx2, vy2);
+ canvas->draw_line(vx2, vy2, vx1, vy2);
+ canvas->draw_line(vx1, vy2, vx1, vy1);
//printf("PerspectiveWindow::update_canvas %d,%d %d,%d %d,%d %d,%d\n",
// x1, y1, x2, y2, x3, y3, x4, y4);
y->update(plugin->get_current_y());
}
+void PerspectiveWindow::update_view_zoom()
+{
+ zoom_view->update(plugin->config.view_zoom);
+}
+
+void PerspectiveWindow::reset_view()
+{
+ plugin->config.view_x = plugin->config.view_y = 0;
+ zoom_view->update(plugin->config.view_zoom = 1);
+ update_canvas();
+ plugin->send_configure_change();
+}
+
void PerspectiveWindow::calculate_canvas_coords(
int &x1, int &y1, int &x2, int &y2,
int &x3, int &y3, int &x4, int &y4)
}
-PerspectiveCanvas::PerspectiveCanvas(PerspectiveMain *plugin,
+PerspectiveCanvas::PerspectiveCanvas(PerspectiveWindow *gui,
int x, int y, int w, int h)
: BC_SubWindow(x, y, w, h, BLACK)
{
- this->plugin = plugin;
+ this->gui = gui;
state = PerspectiveCanvas::NONE;
}
{
if( is_event_win() && cursor_inside() ) {
// Set current point
+ int cx = get_cursor_x(), cy = get_cursor_y();
+ if( alt_down() && shift_down() ) {
+ state = PerspectiveCanvas::DRAG_VIEW;
+ start_x = cx; start_y = cy;
+ return 1;
+ }
+
+ PerspectiveMain *plugin = gui->plugin;
int x1, y1, x2, y2, x3, y3, x4, y4;
- int cursor_x = get_cursor_x();
- int cursor_y = get_cursor_y();
- ((PerspectiveWindow*)plugin->thread->window)->calculate_canvas_coords(x1, y1, x2, y2, x3, y3, x4, y4);
-
- float distance1 = DISTANCE(cursor_x, cursor_y, x1, y1);
- float distance2 = DISTANCE(cursor_x, cursor_y, x2, y2);
- float distance3 = DISTANCE(cursor_x, cursor_y, x3, y3);
- float distance4 = DISTANCE(cursor_x, cursor_y, x4, y4);
-// printf("PerspectiveCanvas::button_press_event %f %d %d %d %d\n",
-// distance3,
-// cursor_x,
-// cursor_y,
-// x3,
-// y3);
+ gui->calculate_canvas_coords(x1, y1, x2, y2, x3, y3, x4, y4);
+ float cw = gui->canvas->get_w(), ch = gui->canvas->get_h();
+ float x0 = cw / 2, y0 = ch / 2;
+ float view_zoom = plugin->config.view_zoom;
+ float view_x = plugin->config.view_x, view_y = plugin->config.view_y;
+ int x = (cx-x0 - view_x) / view_zoom + x0;
+ int y = (cy-y0 - view_y) / view_zoom + y0;
+ float distance1 = DISTANCE(x, y, x1, y1);
+ float distance2 = DISTANCE(x, y, x2, y2);
+ float distance3 = DISTANCE(x, y, x3, y3);
+ float distance4 = DISTANCE(x, y, x4, y4);
float min = distance1;
plugin->config.current_point = 0;
if( distance2 < min ) {
else if( plugin->config.current_point == 2 )
plugin->config.current_point = 3;
}
- start_cursor_x = cursor_x;
- start_cursor_y = cursor_y;
-
+ start_x = x;
+ start_y = y;
if( alt_down() || shift_down() ) {
state = alt_down() ?
PerspectiveCanvas::DRAG_FULL :
start_x1 = plugin->get_current_x();
start_y1 = plugin->get_current_y();
}
- ((PerspectiveWindow*)plugin->thread->window)->update_coord();
- ((PerspectiveWindow*)plugin->thread->window)->update_canvas();
+ gui->update_coord();
+ gui->update_canvas();
return 1;
}
int PerspectiveCanvas::button_release_event()
{
- if( state != PerspectiveCanvas::NONE ) {
- state = PerspectiveCanvas::NONE;
- return 1;
- }
- return 0;
+ if( state == PerspectiveCanvas::NONE ) return 0;
+ state = PerspectiveCanvas::NONE;
+ return 1;
}
int PerspectiveCanvas::cursor_motion_event()
{
- if( state != PerspectiveCanvas::NONE ) {
- int w = get_w() - 1;
- int h = get_h() - 1;
- if( state == PerspectiveCanvas::DRAG ) {
- plugin->set_current_x((float)(get_cursor_x() - start_cursor_x) / w * 100 + start_x1);
- plugin->set_current_y((float)(get_cursor_y() - start_cursor_y) / h * 100 + start_y1);
- }
- else if( state == PerspectiveCanvas::DRAG_FULL ) {
- plugin->config.x1 = ((float)(get_cursor_x() - start_cursor_x) / w * 100 + start_x1);
- plugin->config.y1 = ((float)(get_cursor_y() - start_cursor_y) / h * 100 + start_y1);
- plugin->config.x2 = ((float)(get_cursor_x() - start_cursor_x) / w * 100 + start_x2);
- plugin->config.y2 = ((float)(get_cursor_y() - start_cursor_y) / h * 100 + start_y2);
- plugin->config.x3 = ((float)(get_cursor_x() - start_cursor_x) / w * 100 + start_x3);
- plugin->config.y3 = ((float)(get_cursor_y() - start_cursor_y) / h * 100 + start_y3);
- plugin->config.x4 = ((float)(get_cursor_x() - start_cursor_x) / w * 100 + start_x4);
- plugin->config.y4 = ((float)(get_cursor_y() - start_cursor_y) / h * 100 + start_y4);
- }
- else if( state == PerspectiveCanvas::ZOOM ) {
+ if( state == PerspectiveCanvas::NONE ) return 0;
+ PerspectiveMain *plugin = gui->plugin;
+ int cx = get_cursor_x(), cy = get_cursor_y();
+ if( state != PerspectiveCanvas::DRAG_VIEW ) {
+ float cw = gui->canvas->get_w(), ch = gui->canvas->get_h();
+ float x0 = cw / 2, y0 = ch / 2;
+ float view_zoom = plugin->config.view_zoom;
+ float view_x = plugin->config.view_x, view_y = plugin->config.view_y;
+ int x = (cx-x0 - view_x) / view_zoom + x0;
+ int y = (cy-y0 - view_y) / view_zoom + y0;
+ int w1 = get_w() - 1, h1 = get_h() - 1;
+
+ switch( state ) {
+ case PerspectiveCanvas::DRAG:
+ plugin->set_current_x((float)(x - start_x) / w1 * 100 + start_x1);
+ plugin->set_current_y((float)(y - start_y) / h1 * 100 + start_y1);
+ break;
+ case PerspectiveCanvas::DRAG_FULL:
+ plugin->config.x1 = ((float)(x - start_x) / w1 * 100 + start_x1);
+ plugin->config.y1 = ((float)(y - start_y) / h1 * 100 + start_y1);
+ plugin->config.x2 = ((float)(x - start_x) / w1 * 100 + start_x2);
+ plugin->config.y2 = ((float)(y - start_y) / h1 * 100 + start_y2);
+ plugin->config.x3 = ((float)(x - start_x) / w1 * 100 + start_x3);
+ plugin->config.y3 = ((float)(y - start_y) / h1 * 100 + start_y3);
+ plugin->config.x4 = ((float)(x - start_x) / w1 * 100 + start_x4);
+ plugin->config.y4 = ((float)(y - start_y) / h1 * 100 + start_y4);
+ break;
+ case PerspectiveCanvas::ZOOM:
float center_x = (start_x1 + start_x2 + start_x3 + start_x4) / 4;
float center_y = (start_y1 + start_y2 + start_y3 + start_y4) / 4;
- float zoom = (float)(get_cursor_y() - start_cursor_y + 640) / 640;
+ float zoom = (float)(get_cursor_y() - start_y + 640) / 640;
plugin->config.x1 = center_x + (start_x1 - center_x) * zoom;
plugin->config.y1 = center_y + (start_y1 - center_y) * zoom;
plugin->config.x2 = center_x + (start_x2 - center_x) * zoom;
plugin->config.y3 = center_y + (start_y3 - center_y) * zoom;
plugin->config.x4 = center_x + (start_x4 - center_x) * zoom;
plugin->config.y4 = center_y + (start_y4 - center_y) * zoom;
+ break;
}
- ((PerspectiveWindow*)plugin->thread->window)->update_canvas();
- ((PerspectiveWindow*)plugin->thread->window)->update_coord();
- plugin->send_configure_change();
- return 1;
+ gui->update_coord();
}
-
- return 0;
+ else {
+ plugin->config.view_x += cx - start_x;
+ plugin->config.view_y += cy - start_y;
+ start_x = cx; start_y = cy;
+ }
+ gui->update_canvas();
+ plugin->send_configure_change();
+ return 1;
}
PerspectiveCoord::PerspectiveCoord(PerspectiveWindow *gui,
- PerspectiveMain *plugin, int x, int y, float value, int is_x)
+ int x, int y, float value, int is_x)
: BC_TumbleTextBox(gui, value, (float)-100, (float)200, x, y, 100)
{
- this->plugin = plugin;
+ this->gui = gui;
this->is_x = is_x;
}
int PerspectiveCoord::handle_event()
{
+ PerspectiveMain *plugin = gui->plugin;
float v = atof(get_text());
if( is_x )
plugin->set_current_x(v);
else
plugin->set_current_y(v);
- ((PerspectiveWindow*)plugin->thread->window)->update_canvas();
+ gui->update_canvas();
plugin->send_configure_change();
return 1;
}
-PerspectiveReset::PerspectiveReset(PerspectiveMain *plugin, int x, int y)
+PerspectiveReset::PerspectiveReset(PerspectiveWindow *gui, int x, int y)
: BC_GenericButton(x, y, _("Reset"))
{
- this->plugin = plugin;
+ this->gui = gui;
}
int PerspectiveReset::handle_event()
{
+ gui->reset_view();
+
+ PerspectiveMain *plugin = gui->plugin;
plugin->config.x1 = 0; plugin->config.y1 = 0;
plugin->config.x2 = 100; plugin->config.y2 = 0;
plugin->config.x3 = 100; plugin->config.y3 = 100;
plugin->config.x4 = 0; plugin->config.y4 = 100;
- ((PerspectiveWindow*)plugin->thread->window)->update_canvas();
- ((PerspectiveWindow*)plugin->thread->window)->update_coord();
+ gui->update_canvas();
+ gui->update_coord();
plugin->send_configure_change();
return 1;
}
-PerspectiveMode::PerspectiveMode(PerspectiveMain *plugin,
+PerspectiveMode::PerspectiveMode(PerspectiveWindow *gui,
int x, int y, int value, char *text)
- : BC_Radial(x, y, plugin->config.mode == value, text)
+ : BC_Radial(x, y, gui->plugin->config.mode == value, text)
{
- this->plugin = plugin;
+ this->gui = gui;
this->value = value;
}
int PerspectiveMode::handle_event()
{
+ PerspectiveMain *plugin = gui->plugin;
plugin->config.mode = value;
- ((PerspectiveWindow*)plugin->thread->window)->update_mode();
- ((PerspectiveWindow*)plugin->thread->window)->update_canvas();
+ gui->update_mode();
+ gui->update_canvas();
plugin->send_configure_change();
return 1;
}
-PerspectiveDirection::PerspectiveDirection(PerspectiveMain *plugin,
- int x,
- int y,
- int value,
- char *text)
- : BC_Radial(x, y, plugin->config.forward == value, text)
+PerspectiveDirection::PerspectiveDirection(PerspectiveWindow *gui,
+ int x, int y, int value, char *text)
+ : BC_Radial(x, y, gui->plugin->config.forward == value, text)
{
- this->plugin = plugin;
+ this->gui = gui;
this->value = value;
}
int PerspectiveDirection::handle_event()
{
+ PerspectiveMain *plugin = gui->plugin;
plugin->config.forward = value;
- ((PerspectiveWindow*)plugin->thread->window)->update_mode();
+ gui->update_mode();
plugin->send_configure_change();
return 1;
}
affine_item(AffineEngine::AF_NEAREST);
affine_item(AffineEngine::AF_LINEAR);
affine_item(AffineEngine::AF_CUBIC);
- update(gui->plugin->config.smoothing, 0);
+ PerspectiveMain *plugin = gui->plugin;
+ update(plugin->config.smoothing, 0);
}
void PerspectiveAffine::update(int mode, int send)
if( this->mode == mode ) return;
this->mode = mode;
set_text(affine_modes[mode]);
- gui->plugin->config.smoothing = mode;
- if( send ) gui->plugin->send_configure_change();
+ PerspectiveMain *plugin = gui->plugin;
+ plugin->config.smoothing = mode;
+ if( send ) plugin->send_configure_change();
}
PerspectiveMain::PerspectiveMain(PluginServer *server)
load_configuration();
gui->update_coord();
gui->update_mode();
+ gui->update_view_zoom();
gui->update_canvas();
thread->window->unlock_window();
//printf("PerspectiveMain::update_gui 3\n");
output.tag.set_property("Y4", config.y4);
output.tag.set_property("MODE", config.mode);
+ output.tag.set_property("VIEW_X", config.view_x);
+ output.tag.set_property("VIEW_Y", config.view_y);
+ output.tag.set_property("VIEW_ZOOM", config.view_zoom);
output.tag.set_property("SMOOTHING", config.smoothing);
output.tag.set_property("FORWARD", config.forward);
output.tag.set_property("WINDOW_W", config.window_w);
config.y4 = input.tag.get_property("Y4", config.y4);
config.mode = input.tag.get_property("MODE", config.mode);
+ config.view_x = input.tag.get_property("VIEW_X", config.view_x);
+ config.view_y = input.tag.get_property("VIEW_Y", config.view_y);
+ config.view_zoom = input.tag.get_property("VIEW_ZOOM", config.view_zoom);
config.smoothing = input.tag.get_property("SMOOTHING", config.smoothing);
config.forward = input.tag.get_property("FORWARD", config.forward);
config.window_w = input.tag.get_property("WINDOW_W", config.window_w);
int use_opengl = smoothing != AffineEngine::AF_DEFAULT ? 0 :
// Opengl does some funny business with stretching.
config.mode == AffineEngine::PERSPECTIVE ||
- config.mode == AffineEngine::SHEER ? get_use_opengl() : 0;
+ config.mode == AffineEngine::SHEER ? get_use_opengl() : 0;
read_frame(frame, 0, start_position, frame_rate, use_opengl);
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